diff options
| author |   Dave Barach <dave@barachs.net> | 2016-07-08 08:13:45 -0400 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2016-07-08 14:18:22 +0000 |
| commit | 9b8ffd99fb35d37250cfb7094a0a31515f1bb577 (patch) | |
| tree | 604ebcf86671a86b9e3395dda8d9fda50db2fcbc /vlib/vlib/unix/cli.c | |
| parent | 0557a91ca727cee963a8179808d2d2108564ec56 (diff) | |
fd-io-styleify pass
Change-Id: If2d57a213fc2fec996db26df332910c3d2105f97
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'vlib/vlib/unix/cli.c')
| -rw-r--r-- | vlib/vlib/unix/cli.c | 2502 |
1 files changed, 1282 insertions, 1220 deletions
diff --git a/vlib/vlib/unix/cli.c b/vlib/vlib/unix/cli.c index 5136da516fc..58aa6dfc6bf 100644 --- a/vlib/vlib/unix/cli.c +++ b/vlib/vlib/unix/cli.c @@ -92,32 +92,36 @@ /** A CLI banner line. */ -typedef struct { - u8 * line; /**< The line to print. */ - u32 length; /**< The length of the line without terminating NUL. */ +typedef struct +{ + u8 *line; /**< The line to print. */ + u32 length; /**< The length of the line without terminating NUL. */ } unix_cli_banner_t; #define _(a) { .line = (u8 *)(a), .length = sizeof(a) - 1 } /** Plain welcome banner. */ static unix_cli_banner_t unix_cli_banner[] = { -_(" _______ _ _ _____ ___ \n"), -_(" __/ __/ _ \\ (_)__ | | / / _ \\/ _ \\\n"), -_(" _/ _// // / / / _ \\ | |/ / ___/ ___/\n"), -_(" /_/ /____(_)_/\\___/ |___/_/ /_/ \n"), -_("\n") + _(" _______ _ _ _____ ___ \n"), + _(" __/ __/ _ \\ (_)__ | | / / _ \\/ _ \\\n"), + _(" _/ _// // / / / _ \\ | |/ / ___/ ___/\n"), + _(" /_/ /____(_)_/\\___/ |___/_/ /_/ \n"), + _("\n") }; + /** ANSI color welcome banner. */ static unix_cli_banner_t unix_cli_banner_color[] = { -_(ANSI_BRED " _______ _ " ANSI_RESET " _ _____ ___ \n"), -_(ANSI_BRED " __/ __/ _ \\ (_)__ " ANSI_RESET " | | / / _ \\/ _ \\\n"), -_(ANSI_BRED " _/ _// // / / / _ \\" ANSI_RESET " | |/ / ___/ ___/\n"), -_(ANSI_BRED " /_/ /____(_)_/\\___/" ANSI_RESET " |___/_/ /_/ \n"), -_("\n") + _(ANSI_BRED " _______ _ " ANSI_RESET " _ _____ ___ \n"), + _(ANSI_BRED " __/ __/ _ \\ (_)__ " ANSI_RESET " | | / / _ \\/ _ \\\n"), + _(ANSI_BRED " _/ _// // / / / _ \\" ANSI_RESET " | |/ / ___/ ___/\n"), + _(ANSI_BRED " /_/ /____(_)_/\\___/" ANSI_RESET " |___/_/ /_/ \n"), + _("\n") }; + #undef _ /** Pager line index */ -typedef struct { +typedef struct +{ /** Index into pager_vector */ u32 line; @@ -130,20 +134,21 @@ typedef struct { /** Unix CLI session. */ -typedef struct { +typedef struct +{ /** The file index held by unix.c */ u32 unix_file_index; /** Vector of output pending write to file descriptor. */ - u8 * output_vector; + u8 *output_vector; /** Vector of input saved by Unix input node to be processed by CLI process. */ - u8 * input_vector; + u8 *input_vector; u8 has_history; - u8 ** command_history; - u8 * current_command; + u8 **command_history; + u8 *current_command; i32 excursion; /** Maximum number of history entries this session will store. */ @@ -152,7 +157,7 @@ typedef struct { /** Current command line counter */ u32 command_number; - u8 * search_key; + u8 *search_key; int search_mode; /** Position of the insert cursor on the current input line */ @@ -174,10 +179,10 @@ typedef struct { u8 no_pager; /** Pager buffer */ - u8 ** pager_vector; + u8 **pager_vector; /** Index of line fragments in the pager buffer */ - unix_cli_pager_index_t * pager_index; + unix_cli_pager_index_t *pager_index; /** Line number of top of page */ u32 pager_start; @@ -196,9 +201,9 @@ typedef struct { * @param f The CLI session whose pager needs to be reset. */ always_inline void -unix_cli_pager_reset (unix_cli_file_t *f) +unix_cli_pager_reset (unix_cli_file_t * f) { - u8 ** p; + u8 **p; f->pager_start = 0; @@ -206,9 +211,9 @@ unix_cli_pager_reset (unix_cli_file_t *f) f->pager_index = 0; vec_foreach (p, f->pager_vector) - { - vec_free (*p); - } + { + vec_free (*p); + } vec_free (f->pager_vector); f->pager_vector = 0; } @@ -225,14 +230,15 @@ unix_cli_file_free (unix_cli_file_t * f) } /** CLI actions */ -typedef enum { +typedef enum +{ UNIX_CLI_PARSE_ACTION_NOACTION = 0, /**< No action */ - UNIX_CLI_PARSE_ACTION_CRLF, /**< Carriage return, newline or enter */ - UNIX_CLI_PARSE_ACTION_TAB, /**< Tab key */ - UNIX_CLI_PARSE_ACTION_ERASE, /**< Erase cursor left */ + UNIX_CLI_PARSE_ACTION_CRLF, /**< Carriage return, newline or enter */ + UNIX_CLI_PARSE_ACTION_TAB, /**< Tab key */ + UNIX_CLI_PARSE_ACTION_ERASE, /**< Erase cursor left */ UNIX_CLI_PARSE_ACTION_ERASERIGHT, /**< Erase cursor right */ - UNIX_CLI_PARSE_ACTION_UP, /**< Up arrow */ - UNIX_CLI_PARSE_ACTION_DOWN, /**< Down arrow */ + UNIX_CLI_PARSE_ACTION_UP, /**< Up arrow */ + UNIX_CLI_PARSE_ACTION_DOWN, /**< Down arrow */ UNIX_CLI_PARSE_ACTION_LEFT, UNIX_CLI_PARSE_ACTION_RIGHT, UNIX_CLI_PARSE_ACTION_HOME, @@ -267,9 +273,10 @@ typedef enum { * @note This won't work as a hash since we need to be able to do * partial matches on the string. */ -typedef struct { - u8 *input; /**< Input string to match. */ - u32 len; /**< Length of input without final NUL. */ +typedef struct +{ + u8 *input; /**< Input string to match. */ + u32 len; /**< Length of input without final NUL. */ unix_cli_parse_action_t action; /**< Action to take when matched. */ } unix_cli_parse_actions_t; @@ -290,61 +297,61 @@ typedef struct { * @showinitializer */ static unix_cli_parse_actions_t unix_cli_parse_strings[] = { - /* Line handling */ - _( "\r\n", UNIX_CLI_PARSE_ACTION_CRLF ), /* Must be before '\r' */ - _( "\n", UNIX_CLI_PARSE_ACTION_CRLF ), - _( "\r\0", UNIX_CLI_PARSE_ACTION_CRLF ), /* Telnet does this */ - _( "\r", UNIX_CLI_PARSE_ACTION_CRLF ), - - /* Unix shell control codes */ - _( CTL('B'), UNIX_CLI_PARSE_ACTION_LEFT ), - _( CTL('F'), UNIX_CLI_PARSE_ACTION_RIGHT ), - _( CTL('P'), UNIX_CLI_PARSE_ACTION_UP ), - _( CTL('N'), UNIX_CLI_PARSE_ACTION_DOWN ), - _( CTL('A'), UNIX_CLI_PARSE_ACTION_HOME ), - _( CTL('E'), UNIX_CLI_PARSE_ACTION_END ), - _( CTL('D'), UNIX_CLI_PARSE_ACTION_ERASERIGHT ), - _( CTL('U'), UNIX_CLI_PARSE_ACTION_ERASELINELEFT ), - _( CTL('K'), UNIX_CLI_PARSE_ACTION_ERASELINERIGHT ), - _( CTL('Y'), UNIX_CLI_PARSE_ACTION_YANK ), - _( CTL('L'), UNIX_CLI_PARSE_ACTION_CLEAR ), - _( ESC "b", UNIX_CLI_PARSE_ACTION_WORDLEFT ), /* Alt-B */ - _( ESC "f", UNIX_CLI_PARSE_ACTION_WORDRIGHT ), /* Alt-F */ - _( "\b", UNIX_CLI_PARSE_ACTION_ERASE ), /* ^H */ - _( "\x7f", UNIX_CLI_PARSE_ACTION_ERASE ), /* Backspace */ - _( "\t", UNIX_CLI_PARSE_ACTION_TAB ), /* ^I */ - - /* VT100 Normal mode - Broadest support */ - _( CSI "A", UNIX_CLI_PARSE_ACTION_UP ), - _( CSI "B", UNIX_CLI_PARSE_ACTION_DOWN ), - _( CSI "C", UNIX_CLI_PARSE_ACTION_RIGHT ), - _( CSI "D", UNIX_CLI_PARSE_ACTION_LEFT ), - _( CSI "H", UNIX_CLI_PARSE_ACTION_HOME ), - _( CSI "F", UNIX_CLI_PARSE_ACTION_END ), - _( CSI "3~", UNIX_CLI_PARSE_ACTION_ERASERIGHT ), /* Delete */ - _( CSI "1;5D", UNIX_CLI_PARSE_ACTION_WORDLEFT ), /* C-Left */ - _( CSI "1;5C", UNIX_CLI_PARSE_ACTION_WORDRIGHT ),/* C-Right */ + /* Line handling */ + _("\r\n", UNIX_CLI_PARSE_ACTION_CRLF), /* Must be before '\r' */ + _("\n", UNIX_CLI_PARSE_ACTION_CRLF), + _("\r\0", UNIX_CLI_PARSE_ACTION_CRLF), /* Telnet does this */ + _("\r", UNIX_CLI_PARSE_ACTION_CRLF), + + /* Unix shell control codes */ + _(CTL ('B'), UNIX_CLI_PARSE_ACTION_LEFT), + _(CTL ('F'), UNIX_CLI_PARSE_ACTION_RIGHT), + _(CTL ('P'), UNIX_CLI_PARSE_ACTION_UP), + _(CTL ('N'), UNIX_CLI_PARSE_ACTION_DOWN), + _(CTL ('A'), UNIX_CLI_PARSE_ACTION_HOME), + _(CTL ('E'), UNIX_CLI_PARSE_ACTION_END), + _(CTL ('D'), UNIX_CLI_PARSE_ACTION_ERASERIGHT), + _(CTL ('U'), UNIX_CLI_PARSE_ACTION_ERASELINELEFT), + _(CTL ('K'), UNIX_CLI_PARSE_ACTION_ERASELINERIGHT), + _(CTL ('Y'), UNIX_CLI_PARSE_ACTION_YANK), + _(CTL ('L'), UNIX_CLI_PARSE_ACTION_CLEAR), + _(ESC "b", UNIX_CLI_PARSE_ACTION_WORDLEFT), /* Alt-B */ + _(ESC "f", UNIX_CLI_PARSE_ACTION_WORDRIGHT), /* Alt-F */ + _("\b", UNIX_CLI_PARSE_ACTION_ERASE), /* ^H */ + _("\x7f", UNIX_CLI_PARSE_ACTION_ERASE), /* Backspace */ + _("\t", UNIX_CLI_PARSE_ACTION_TAB), /* ^I */ + + /* VT100 Normal mode - Broadest support */ + _(CSI "A", UNIX_CLI_PARSE_ACTION_UP), + _(CSI "B", UNIX_CLI_PARSE_ACTION_DOWN), + _(CSI "C", UNIX_CLI_PARSE_ACTION_RIGHT), + _(CSI "D", UNIX_CLI_PARSE_ACTION_LEFT), + _(CSI "H", UNIX_CLI_PARSE_ACTION_HOME), + _(CSI "F", UNIX_CLI_PARSE_ACTION_END), + _(CSI "3~", UNIX_CLI_PARSE_ACTION_ERASERIGHT), /* Delete */ + _(CSI "1;5D", UNIX_CLI_PARSE_ACTION_WORDLEFT), /* C-Left */ + _(CSI "1;5C", UNIX_CLI_PARSE_ACTION_WORDRIGHT), /* C-Right */ /* VT100 Application mode - Some Gnome Terminal functions use these */ - _( ESC "OA", UNIX_CLI_PARSE_ACTION_UP ), - _( ESC "OB", UNIX_CLI_PARSE_ACTION_DOWN ), - _( ESC "OC", UNIX_CLI_PARSE_ACTION_RIGHT ), - _( ESC "OD", UNIX_CLI_PARSE_ACTION_LEFT ), - _( ESC "OH", UNIX_CLI_PARSE_ACTION_HOME ), - _( ESC "OF", UNIX_CLI_PARSE_ACTION_END ), - - /* ANSI X3.41-1974 - sent by Microsoft Telnet and PuTTY */ - _( CSI "1~", UNIX_CLI_PARSE_ACTION_HOME ), - _( CSI "4~", UNIX_CLI_PARSE_ACTION_END ), - - /* Emacs-ish history search */ - _( CTL('S'), UNIX_CLI_PARSE_ACTION_FWDSEARCH ), - _( CTL('R'), UNIX_CLI_PARSE_ACTION_REVSEARCH ), - - /* Other protocol things */ - _( "\xff", UNIX_CLI_PARSE_ACTION_TELNETIAC ), /* IAC */ - _( "\0", UNIX_CLI_PARSE_ACTION_NOACTION ), /* NUL */ - _( NULL, UNIX_CLI_PARSE_ACTION_NOMATCH ) + _(ESC "OA", UNIX_CLI_PARSE_ACTION_UP), + _(ESC "OB", UNIX_CLI_PARSE_ACTION_DOWN), + _(ESC "OC", UNIX_CLI_PARSE_ACTION_RIGHT), + _(ESC "OD", UNIX_CLI_PARSE_ACTION_LEFT), + _(ESC "OH", UNIX_CLI_PARSE_ACTION_HOME), + _(ESC "OF", UNIX_CLI_PARSE_ACTION_END), + + /* ANSI X3.41-1974 - sent by Microsoft Telnet and PuTTY */ + _(CSI "1~", UNIX_CLI_PARSE_ACTION_HOME), + _(CSI "4~", UNIX_CLI_PARSE_ACTION_END), + + /* Emacs-ish history search */ + _(CTL ('S'), UNIX_CLI_PARSE_ACTION_FWDSEARCH), + _(CTL ('R'), UNIX_CLI_PARSE_ACTION_REVSEARCH), + + /* Other protocol things */ + _("\xff", UNIX_CLI_PARSE_ACTION_TELNETIAC), /* IAC */ + _("\0", UNIX_CLI_PARSE_ACTION_NOACTION), /* NUL */ + _(NULL, UNIX_CLI_PARSE_ACTION_NOMATCH) }; /** @@ -352,60 +359,63 @@ static unix_cli_parse_actions_t unix_cli_parse_strings[] = { * @showinitializer */ static unix_cli_parse_actions_t unix_cli_parse_pager[] = { - /* Line handling */ - _( "\r\n", UNIX_CLI_PARSE_ACTION_PAGER_CRLF ), /* Must be before '\r' */ - _( "\n", UNIX_CLI_PARSE_ACTION_PAGER_CRLF ), - _( "\r\0", UNIX_CLI_PARSE_ACTION_PAGER_CRLF ), /* Telnet does this */ - _( "\r", UNIX_CLI_PARSE_ACTION_PAGER_CRLF ), - - /* Pager commands */ - _( " ", UNIX_CLI_PARSE_ACTION_PAGER_NEXT ), - _( "q", UNIX_CLI_PARSE_ACTION_PAGER_QUIT ), - _( CTL('L'), UNIX_CLI_PARSE_ACTION_PAGER_REDRAW ), - _( CTL('R'), UNIX_CLI_PARSE_ACTION_PAGER_REDRAW ), - _( "/", UNIX_CLI_PARSE_ACTION_PAGER_SEARCH ), - - /* VT100 */ - _( CSI "A", UNIX_CLI_PARSE_ACTION_PAGER_UP ), - _( CSI "B", UNIX_CLI_PARSE_ACTION_PAGER_DN ), - _( CSI "H", UNIX_CLI_PARSE_ACTION_PAGER_TOP ), - _( CSI "F", UNIX_CLI_PARSE_ACTION_PAGER_BOTTOM ), - - /* VT100 Application mode */ - _( ESC "OA", UNIX_CLI_PARSE_ACTION_PAGER_UP ), - _( ESC "OB", UNIX_CLI_PARSE_ACTION_PAGER_DN ), - _( ESC "OH", UNIX_CLI_PARSE_ACTION_PAGER_TOP ), - _( ESC "OF", UNIX_CLI_PARSE_ACTION_PAGER_BOTTOM ), - - /* ANSI X3.41-1974 */ - _( CSI "1~", UNIX_CLI_PARSE_ACTION_PAGER_TOP ), - _( CSI "4~", UNIX_CLI_PARSE_ACTION_PAGER_BOTTOM ), - _( CSI "5~", UNIX_CLI_PARSE_ACTION_PAGER_PGUP ), - _( CSI "6~", UNIX_CLI_PARSE_ACTION_PAGER_PGDN ), - - /* Other protocol things */ - _( "\xff", UNIX_CLI_PARSE_ACTION_TELNETIAC ), /* IAC */ - _( "\0", UNIX_CLI_PARSE_ACTION_NOACTION ), /* NUL */ - _( NULL, UNIX_CLI_PARSE_ACTION_NOMATCH ) + /* Line handling */ + _("\r\n", UNIX_CLI_PARSE_ACTION_PAGER_CRLF), /* Must be before '\r' */ + _("\n", UNIX_CLI_PARSE_ACTION_PAGER_CRLF), + _("\r\0", UNIX_CLI_PARSE_ACTION_PAGER_CRLF), /* Telnet does this */ + _("\r", UNIX_CLI_PARSE_ACTION_PAGER_CRLF), + + /* Pager commands */ + _(" ", UNIX_CLI_PARSE_ACTION_PAGER_NEXT), + _("q", UNIX_CLI_PARSE_ACTION_PAGER_QUIT), + _(CTL ('L'), UNIX_CLI_PARSE_ACTION_PAGER_REDRAW), + _(CTL ('R'), UNIX_CLI_PARSE_ACTION_PAGER_REDRAW), + _("/", UNIX_CLI_PARSE_ACTION_PAGER_SEARCH), + + /* VT100 */ + _(CSI "A", UNIX_CLI_PARSE_ACTION_PAGER_UP), + _(CSI "B", UNIX_CLI_PARSE_ACTION_PAGER_DN), + _(CSI "H", UNIX_CLI_PARSE_ACTION_PAGER_TOP), + _(CSI "F", UNIX_CLI_PARSE_ACTION_PAGER_BOTTOM), + + /* VT100 Application mode */ + _(ESC "OA", UNIX_CLI_PARSE_ACTION_PAGER_UP), + _(ESC "OB", UNIX_CLI_PARSE_ACTION_PAGER_DN), + _(ESC "OH", UNIX_CLI_PARSE_ACTION_PAGER_TOP), + _(ESC "OF", UNIX_CLI_PARSE_ACTION_PAGER_BOTTOM), + + /* ANSI X3.41-1974 */ + _(CSI "1~", UNIX_CLI_PARSE_ACTION_PAGER_TOP), + _(CSI "4~", UNIX_CLI_PARSE_ACTION_PAGER_BOTTOM), + _(CSI "5~", UNIX_CLI_PARSE_ACTION_PAGER_PGUP), + _(CSI "6~", UNIX_CLI_PARSE_ACTION_PAGER_PGDN), + + /* Other protocol things */ + _("\xff", UNIX_CLI_PARSE_ACTION_TELNETIAC), /* IAC */ + _("\0", UNIX_CLI_PARSE_ACTION_NOACTION), /* NUL */ + _(NULL, UNIX_CLI_PARSE_ACTION_NOMATCH) }; + #undef _ /** CLI session events. */ -typedef enum { +typedef enum +{ UNIX_CLI_PROCESS_EVENT_READ_READY, /**< A file descriptor has data to be read. */ - UNIX_CLI_PROCESS_EVENT_QUIT, /**< A CLI session wants to close. */ + UNIX_CLI_PROCESS_EVENT_QUIT, /**< A CLI session wants to close. */ } unix_cli_process_event_type_t; /** CLI global state. */ -typedef struct { +typedef struct +{ /** Prompt string for CLI. */ - u8 * cli_prompt; + u8 *cli_prompt; /** Vec pool of CLI sessions. */ - unix_cli_file_t * cli_file_pool; + unix_cli_file_t *cli_file_pool; /** Vec pool of unused session indices. */ - u32 * unused_cli_process_node_indices; + u32 *unused_cli_process_node_indices; /** The session index of the stdin cli */ u32 stdin_cli_file_index; @@ -441,72 +451,69 @@ static unix_cli_main_t unix_cli_main; * match at all. */ static unix_cli_parse_action_t -unix_cli_match_action(unix_cli_parse_actions_t *a, - u8 *input, u32 ilen, i32 *matched) +unix_cli_match_action (unix_cli_parse_actions_t * a, + u8 * input, u32 ilen, i32 * matched) { u8 partial = 0; while (a->input) { - if (ilen >= a->len) - { - /* see if the start of the input buffer exactly matches the current - * action string. */ - if (memcmp(input, a->input, a->len) == 0) - { - *matched = a->len; - return a->action; - } - } - else - { - /* if the first ilen characters match, flag this as a partial - - * meaning keep collecting bytes in case of a future match */ - if (memcmp(input, a->input, ilen) == 0) - partial = 1; - } - - /* check next action */ - a ++; + if (ilen >= a->len) + { + /* see if the start of the input buffer exactly matches the current + * action string. */ + if (memcmp (input, a->input, a->len) == 0) + { + *matched = a->len; + return a->action; + } + } + else + { + /* if the first ilen characters match, flag this as a partial - + * meaning keep collecting bytes in case of a future match */ + if (memcmp (input, a->input, ilen) == 0) + partial = 1; + } + + /* check next action */ + a++; } return partial ? - UNIX_CLI_PARSE_ACTION_PARTIALMATCH : - UNIX_CLI_PARSE_ACTION_NOMATCH; + UNIX_CLI_PARSE_ACTION_PARTIALMATCH : UNIX_CLI_PARSE_ACTION_NOMATCH; } static void unix_cli_add_pending_output (unix_file_t * uf, unix_cli_file_t * cf, - u8 * buffer, - uword buffer_bytes) + u8 * buffer, uword buffer_bytes) { - unix_main_t * um = &unix_main; + unix_main_t *um = &unix_main; vec_add (cf->output_vector, buffer, buffer_bytes); if (vec_len (cf->output_vector) > 0) { int skip_update = 0 != (uf->flags & UNIX_FILE_DATA_AVAILABLE_TO_WRITE); uf->flags |= UNIX_FILE_DATA_AVAILABLE_TO_WRITE; - if (! skip_update) + if (!skip_update) um->file_update (uf, UNIX_FILE_UPDATE_MODIFY); } } static void unix_cli_del_pending_output (unix_file_t * uf, - unix_cli_file_t * cf, - uword n_bytes) + unix_cli_file_t * cf, uword n_bytes) { - unix_main_t * um = &unix_main; + unix_main_t *um = &unix_main; vec_delete (cf->output_vector, n_bytes, 0); if (vec_len (cf->output_vector) <= 0) { int skip_update = 0 == (uf->flags & UNIX_FILE_DATA_AVAILABLE_TO_WRITE); uf->flags &= ~UNIX_FILE_DATA_AVAILABLE_TO_WRITE; - if (! skip_update) + if (!skip_update) um->file_update (uf, UNIX_FILE_UPDATE_MODIFY); } } @@ -525,15 +532,16 @@ unix_cli_del_pending_output (unix_file_t * uf, * @return The index of the first occurence of \c chr. If \c chr is not * found then \c len instead. */ -always_inline word unix_vlib_findchr(u8 chr, u8 *str, word len) +always_inline word +unix_vlib_findchr (u8 chr, u8 * str, word len) { - word i = 0; - for (i = 0; i < len; i++, str++) - { - if (*str == chr) - return i; - } - return len; + word i = 0; + for (i = 0; i < len; i++, str++) + { + if (*str == chr) + return i; + } + return len; } /** \brief Send a buffer to the CLI stream if possible, enqueue it otherwise. @@ -551,15 +559,14 @@ always_inline word unix_vlib_findchr(u8 chr, u8 *str, word len) * @param buffer Pointer to the buffer that needs to be written. * @param buffer_bytes The number of bytes from \c buffer to write. */ -static void unix_vlib_cli_output_raw(unix_cli_file_t * cf, - unix_file_t * uf, - u8 * buffer, - uword buffer_bytes) +static void +unix_vlib_cli_output_raw (unix_cli_file_t * cf, + unix_file_t * uf, u8 * buffer, uword buffer_bytes) { int n = 0; if (vec_len (cf->output_vector) == 0) - n = write (uf->file_descriptor, buffer, buffer_bytes); + n = write (uf->file_descriptor, buffer, buffer_bytes); if (n < 0 && errno != EAGAIN) { @@ -569,7 +576,8 @@ static void unix_vlib_cli_output_raw(unix_cli_file_t * cf, { /* We got EAGAIN or we already have stuff in the buffer; * queue up whatever didn't get sent for later. */ - if (n < 0) n = 0; + if (n < 0) + n = 0; unix_cli_add_pending_output (uf, cf, buffer + n, buffer_bytes - n); } } @@ -581,130 +589,134 @@ static void unix_vlib_cli_output_raw(unix_cli_file_t * cf, * @param buffer Pointer to the buffer that needs to be written. * @param buffer_bytes The number of bytes from \c buffer to write. */ -static void unix_vlib_cli_output_cooked(unix_cli_file_t * cf, - unix_file_t * uf, - u8 * buffer, - uword buffer_bytes) +static void +unix_vlib_cli_output_cooked (unix_cli_file_t * cf, + unix_file_t * uf, + u8 * buffer, uword buffer_bytes) { word end = 0, start = 0; while (end < buffer_bytes) { if (cf->crlf_mode) - { - /* iterate the line on \n's so we can insert a \r before it */ - end = unix_vlib_findchr('\n', - buffer + start, - buffer_bytes - start) + start; - } + { + /* iterate the line on \n's so we can insert a \r before it */ + end = unix_vlib_findchr ('\n', + buffer + start, + buffer_bytes - start) + start; + } else - { - /* otherwise just send the whole buffer */ - end = buffer_bytes; - } + { + /* otherwise just send the whole buffer */ + end = buffer_bytes; + } - unix_vlib_cli_output_raw(cf, uf, buffer + start, end - start); + unix_vlib_cli_output_raw (cf, uf, buffer + start, end - start); if (cf->crlf_mode) - { - if (end < buffer_bytes) - { - unix_vlib_cli_output_raw(cf, uf, (u8 *)"\r\n", 2); - end ++; /* skip the \n that we already sent */ - } - start = end; - } + { + if (end < buffer_bytes) + { + unix_vlib_cli_output_raw (cf, uf, (u8 *) "\r\n", 2); + end++; /* skip the \n that we already sent */ + } + start = end; + } } } /** \brief Output the CLI prompt */ -static void unix_cli_cli_prompt(unix_cli_file_t * cf, unix_file_t * uf) +static void +unix_cli_cli_prompt (unix_cli_file_t * cf, unix_file_t * uf) { - unix_cli_main_t * cm = &unix_cli_main; + unix_cli_main_t *cm = &unix_cli_main; unix_vlib_cli_output_raw (cf, uf, cm->cli_prompt, vec_len (cm->cli_prompt)); } /** \brief Output a pager prompt and show number of buffered lines */ -static void unix_cli_pager_prompt(unix_cli_file_t * cf, unix_file_t * uf) +static void +unix_cli_pager_prompt (unix_cli_file_t * cf, unix_file_t * uf) { - u8 * prompt; + u8 *prompt; u32 h; h = cf->pager_start + (cf->height - 1); if (h > vec_len (cf->pager_index)) h = vec_len (cf->pager_index); - prompt = format(0, "\r%s-- more -- (%d-%d/%d)%s", - cf->ansi_capable ? ANSI_BOLD : "", - cf->pager_start + 1, - h, - vec_len (cf->pager_index), - cf->ansi_capable ? ANSI_RESET: ""); + prompt = format (0, "\r%s-- more -- (%d-%d/%d)%s", + cf->ansi_capable ? ANSI_BOLD : "", + cf->pager_start + 1, + h, + vec_len (cf->pager_index), + cf->ansi_capable ? ANSI_RESET : ""); - unix_vlib_cli_output_cooked(cf, uf, prompt, vec_len(prompt)); + unix_vlib_cli_output_cooked (cf, uf, prompt, vec_len (prompt)); - vec_free(prompt); + vec_free (prompt); } /** \brief Output a pager "skipping" message */ -static void unix_cli_pager_message(unix_cli_file_t * cf, unix_file_t * uf, - char *message, char *postfix) +static void +unix_cli_pager_message (unix_cli_file_t * cf, unix_file_t * uf, + char *message, char *postfix) { - u8 * prompt; + u8 *prompt; - prompt = format(0, "\r%s-- %s --%s%s", - cf->ansi_capable ? ANSI_BOLD : "", - message, - cf->ansi_capable ? ANSI_RESET: "", - postfix); + prompt = format (0, "\r%s-- %s --%s%s", + cf->ansi_capable ? ANSI_BOLD : "", + message, cf->ansi_capable ? ANSI_RESET : "", postfix); - unix_vlib_cli_output_cooked(cf, uf, prompt, vec_len(prompt)); + unix_vlib_cli_output_cooked (cf, uf, prompt, vec_len (prompt)); - vec_free(prompt); + vec_free (prompt); } /** \brief Erase the printed pager prompt */ -static void unix_cli_pager_prompt_erase(unix_cli_file_t * cf, unix_file_t * uf) +static void +unix_cli_pager_prompt_erase (unix_cli_file_t * cf, unix_file_t * uf) { if (cf->ansi_capable) { - unix_vlib_cli_output_cooked(cf, uf, (u8 *)"\r", 1); - unix_vlib_cli_output_cooked(cf, uf, - (u8 *)ANSI_CLEARLINE, sizeof(ANSI_CLEARLINE) - 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\r", 1); + unix_vlib_cli_output_cooked (cf, uf, + (u8 *) ANSI_CLEARLINE, + sizeof (ANSI_CLEARLINE) - 1); } else { int i; - unix_vlib_cli_output_cooked(cf, uf, (u8 *)"\r", 1); - for (i = 0; i < cf->width - 1; i ++) - unix_vlib_cli_output_cooked(cf, uf, (u8 *)" ", 1); - unix_vlib_cli_output_cooked(cf, uf, (u8 *)"\r", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\r", 1); + for (i = 0; i < cf->width - 1; i++) + unix_vlib_cli_output_cooked (cf, uf, (u8 *) " ", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\r", 1); } } /** \brief Uses an ANSI escape sequence to move the cursor */ -static void unix_cli_ansi_cursor(unix_cli_file_t * cf, unix_file_t * uf, - u16 x, u16 y) +static void +unix_cli_ansi_cursor (unix_cli_file_t * cf, unix_file_t * uf, u16 x, u16 y) { - u8 * str; + u8 *str; - str = format(0, "%s%d;%dH", CSI, y, x); + str = format (0, "%s%d;%dH", CSI, y, x); - unix_vlib_cli_output_cooked(cf, uf, str, vec_len(str)); + unix_vlib_cli_output_cooked (cf, uf, str, vec_len (str)); - vec_free(str); + vec_free (str); } /** Redraw the currently displayed page of text. * @param cf CLI session to redraw the pager buffer of. * @param uf Unix file of the CLI session. */ -static void unix_cli_pager_redraw(unix_cli_file_t * cf, unix_file_t * uf) +static void +unix_cli_pager_redraw (unix_cli_file_t * cf, unix_file_t * uf) { - unix_cli_pager_index_t * pi = NULL; - u8 * line = NULL; + unix_cli_pager_index_t *pi = NULL; + u8 *line = NULL; word i; /* No active pager? Do nothing. */ @@ -715,7 +727,8 @@ static void unix_cli_pager_redraw(unix_cli_file_t * cf, unix_file_t * uf) { /* If we have ANSI, send the clear screen sequence */ unix_vlib_cli_output_cooked (cf, uf, - (u8 *)ANSI_CLEAR, sizeof(ANSI_CLEAR) - 1); + (u8 *) ANSI_CLEAR, + sizeof (ANSI_CLEAR) - 1); } else { @@ -725,8 +738,7 @@ static void unix_cli_pager_redraw(unix_cli_file_t * cf, unix_file_t * uf) /* (Re-)send the current page of content */ for (i = 0; i < cf->height - 1 && - i + cf->pager_start < vec_len (cf->pager_index); - i ++) + i + cf->pager_start < vec_len (cf->pager_index); i++) { pi = &cf->pager_index[cf->pager_start + i]; line = cf->pager_vector[pi->line] + pi->offset; @@ -735,7 +747,7 @@ static void unix_cli_pager_redraw(unix_cli_file_t * cf, unix_file_t * uf) } /* if the last line didn't end in newline, add a newline */ if (pi && line[pi->length - 1] != '\n') - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\n", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); unix_cli_pager_prompt (cf, uf); } @@ -761,15 +773,14 @@ static void unix_cli_pager_redraw(unix_cli_file_t * cf, unix_file_t * uf) * value provides the index in the pager buffer of an * existing string to be indexed. */ -static void unix_cli_pager_add_line (unix_cli_file_t * cf, - u8 * line, - word len_or_index) +static void +unix_cli_pager_add_line (unix_cli_file_t * cf, u8 * line, word len_or_index) { - u8 * p; + u8 *p; word i, j, k; word line_index, len; u32 width = cf->width; - unix_cli_pager_index_t * pi; + unix_cli_pager_index_t *pi; if (line == NULL) { @@ -795,10 +806,10 @@ static void unix_cli_pager_add_line (unix_cli_file_t * cf, { /* Find the next line, or run to terminal width, or run to EOL */ int l = len - i; - j = unix_vlib_findchr((u8)'\n', p, l < width ? l : width); + j = unix_vlib_findchr ((u8) '\n', p, l < width ? l : width); - if (j < l && p[j] == '\n') /* incl \n */ - j ++; + if (j < l && p[j] == '\n') /* incl \n */ + j++; /* Add the line to the index */ k = vec_len (cf->pager_index); @@ -823,10 +834,11 @@ static void unix_cli_pager_add_line (unix_cli_file_t * cf, * * @param cf The CLI session whose pager buffer should be reindexed. */ -static void unix_cli_pager_reindex (unix_cli_file_t * cf) +static void +unix_cli_pager_reindex (unix_cli_file_t * cf) { word i, old_line, old_offset; - unix_cli_pager_index_t * pi; + unix_cli_pager_index_t *pi; /* If there is nothing in the pager buffer then make sure the index * is empty and move on. @@ -846,25 +858,24 @@ static void unix_cli_pager_reindex (unix_cli_file_t * cf) /* Re-add the buffered lines to the index */ vec_reset_length (cf->pager_index); - vec_foreach_index(i, cf->pager_vector) - { - unix_cli_pager_add_line(cf, NULL, i); - } + vec_foreach_index (i, cf->pager_vector) + { + unix_cli_pager_add_line (cf, NULL, i); + } /* Attempt to re-locate the previously stored page start line */ - vec_foreach_index(i, cf->pager_index) - { - pi = &cf->pager_index[i]; - - if (pi->line == old_line && - (pi->offset <= old_offset || - pi->offset + pi->length > old_offset)) - { - /* Found it! */ - cf->pager_start = i; - break; - } - } + vec_foreach_index (i, cf->pager_index) + { + pi = &cf->pager_index[i]; + + if (pi->line == old_line && + (pi->offset <= old_offset || pi->offset + pi->length > old_offset)) + { + /* Found it! */ + cf->pager_start = i; + break; + } + } /* In case the start line was not found (rare), ensure the pager start * index is within bounds @@ -872,9 +883,9 @@ static void unix_cli_pager_reindex (unix_cli_file_t * cf) if (cf->pager_start >= vec_len (cf->pager_index)) { if (!cf->height || vec_len (cf->pager_index) < (cf->height - 1)) - cf->pager_start = 0; + cf->pager_start = 0; else - cf->pager_start = vec_len (cf->pager_index) - (cf->height - 1); + cf->pager_start = vec_len (cf->pager_index) - (cf->height - 1); } } @@ -896,14 +907,13 @@ static void unix_cli_pager_reindex (unix_cli_file_t * cf) * @param buffer String of printabe bytes to be output. * @param buffer_bytes The number of bytes in @c buffer to be output. */ -static void unix_vlib_cli_output (uword cli_file_index, - u8 * buffer, - uword buffer_bytes) +static void +unix_vlib_cli_output (uword cli_file_index, u8 * buffer, uword buffer_bytes) { - unix_main_t * um = &unix_main; - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; - unix_file_t * uf; + unix_main_t *um = &unix_main; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; + unix_file_t *uf; cf = pool_elt_at_index (cm->cli_file_pool, cli_file_index); uf = pool_elt_at_index (um->file_pool, cf->unix_file_index); @@ -915,8 +925,8 @@ static void unix_vlib_cli_output (uword cli_file_index, else { word row = vec_len (cf->pager_index); - u8 * line; - unix_cli_pager_index_t * pi; + u8 *line; + unix_cli_pager_index_t *pi; /* Index and add the output lines to the pager buffer. */ unix_cli_pager_add_line (cf, buffer, buffer_bytes); @@ -925,49 +935,49 @@ static void unix_vlib_cli_output (uword cli_file_index, * If we reach the bottom of the page, display a prompt. */ while (row < vec_len (cf->pager_index)) - { - if (row < cf->height - 1) - { - /* output this line */ - pi = &cf->pager_index[row]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - - /* if the last line didn't end in newline, and we're at the - * bottom of the page, add a newline */ - if (line[pi->length - 1] != '\n' && row == cf->height - 2) - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\n", 1); - } - else - { - /* Display the pager prompt every 10 lines */ - if (!(row % 10)) - unix_cli_pager_prompt(cf, uf); - } - row ++; - } + { + if (row < cf->height - 1) + { + /* output this line */ + pi = &cf->pager_index[row]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + + /* if the last line didn't end in newline, and we're at the + * bottom of the page, add a newline */ + if (line[pi->length - 1] != '\n' && row == cf->height - 2) + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); + } + else + { + /* Display the pager prompt every 10 lines */ + if (!(row % 10)) + unix_cli_pager_prompt (cf, uf); + } + row++; + } /* Check if we went over the pager buffer limit */ if (vec_len (cf->pager_index) > um->cli_pager_buffer_limit) - { - /* Stop using the pager for the remainder of this CLI command */ - cf->no_pager = 2; - - /* If we likely printed the prompt, erase it */ - if (vec_len (cf->pager_index) > cf->height - 1) - unix_cli_pager_prompt_erase (cf, uf); - - /* Dump out the contents of the buffer */ - for (row = cf->pager_start + (cf->height - 1); - row < vec_len (cf->pager_index); row ++) - { - pi = &cf->pager_index[row]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - } - - unix_cli_pager_reset (cf); - } + { + /* Stop using the pager for the remainder of this CLI command */ + cf->no_pager = 2; + + /* If we likely printed the prompt, erase it */ + if (vec_len (cf->pager_index) > cf->height - 1) + unix_cli_pager_prompt_erase (cf, uf); + + /* Dump out the contents of the buffer */ + for (row = cf->pager_start + (cf->height - 1); + row < vec_len (cf->pager_index); row++) + { + pi = &cf->pager_index[row]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + } + + unix_cli_pager_reset (cf); + } } } @@ -984,7 +994,8 @@ static void unix_vlib_cli_output (uword cli_file_index, * @return @c 1 if the terminal type is recognized as supporting ANSI * terminal sequences; @c 0 otherwise. */ -static u8 unix_cli_terminal_type(u8 * term, uword len) +static u8 +unix_cli_terminal_type (u8 * term, uword len) { /* This may later be better done as a hash of some sort. */ #define _(a) do { \ @@ -993,19 +1004,20 @@ static u8 unix_cli_terminal_type(u8 * term, uword len) _("xterm"); _("xterm-color"); - _("xterm-256color"); /* iTerm on Mac */ + _("xterm-256color"); /* iTerm on Mac */ _("screen"); - _("ansi"); /* Microsoft Telnet */ + _("ansi"); /* Microsoft Telnet */ #undef _ return 0; } /** \brief Emit initial welcome banner and prompt on a connection. */ -static void unix_cli_file_welcome(unix_cli_main_t * cm, unix_cli_file_t * cf) +static void +unix_cli_file_welcome (unix_cli_main_t * cm, unix_cli_file_t * cf) { - unix_main_t * um = &unix_main; - unix_file_t * uf = pool_elt_at_index (um->file_pool, cf->unix_file_index); + unix_main_t *um = &unix_main; + unix_file_t *uf = pool_elt_at_index (um->file_pool, cf->unix_file_index); unix_cli_banner_t *banner; int i, len; @@ -1014,28 +1026,27 @@ static void unix_cli_file_welcome(unix_cli_main_t * cm, unix_cli_file_t * cf) * queued until everything is ready. (oterwise initial prompt can appear * mid way through VPP initialization) */ - unix_cli_add_pending_output (uf, cf, (u8 *)"\r", 1); + unix_cli_add_pending_output (uf, cf, (u8 *) "\r", 1); if (!um->cli_no_banner) { if (cf->ansi_capable) - { - banner = unix_cli_banner_color; - len = ARRAY_LEN(unix_cli_banner_color); - } + { + banner = unix_cli_banner_color; + len = ARRAY_LEN (unix_cli_banner_color); + } else - { - banner = unix_cli_banner; - len = ARRAY_LEN(unix_cli_banner); - } + { + banner = unix_cli_banner; + len = ARRAY_LEN (unix_cli_banner); + } for (i = 0; i < len; i++) - { - unix_vlib_cli_output_cooked(cf, uf, - banner[i].line, - banner[i].length); - } - } + { + unix_vlib_cli_output_cooked (cf, uf, + banner[i].line, banner[i].length); + } + } /* Prompt. */ unix_cli_cli_prompt (cf, uf); @@ -1045,20 +1056,21 @@ static void unix_cli_file_welcome(unix_cli_main_t * cm, unix_cli_file_t * cf) /** \brief A failsafe triggered on a timer to ensure we send the prompt * to telnet sessions that fail to negotiate the terminal type. */ -static void unix_cli_file_welcome_timer(any arg, f64 delay) +static void +unix_cli_file_welcome_timer (any arg, f64 delay) { - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; - (void)delay; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; + (void) delay; /* Check the connection didn't close already */ - if (pool_is_free_index (cm->cli_file_pool, (uword)arg)) + if (pool_is_free_index (cm->cli_file_pool, (uword) arg)) return; - cf = pool_elt_at_index (cm->cli_file_pool, (uword)arg); + cf = pool_elt_at_index (cm->cli_file_pool, (uword) arg); if (!cf->started) - unix_cli_file_welcome(cm, cf); + unix_cli_file_welcome (cm, cf); } /** \brief A mostly no-op Telnet state machine. @@ -1069,11 +1081,10 @@ static void unix_cli_file_welcome_timer(any arg, f64 delay) * bytes to consume from the input_vector, not including the initial * IAC byte. */ -static i32 unix_cli_process_telnet(unix_main_t * um, - unix_cli_file_t * cf, - unix_file_t * uf, - u8 * input_vector, - uword len) +static i32 +unix_cli_process_telnet (unix_main_t * um, + unix_cli_file_t * cf, + unix_file_t * uf, u8 * input_vector, uword len) { /* Input_vector starts at IAC byte. * See if we have a complete message; if not, return -1 so we wait for more. @@ -1082,124 +1093,126 @@ static i32 unix_cli_process_telnet(unix_main_t * um, i32 consume = 0; if (len == 1) - return -1; /* want more bytes */ + return -1; /* want more bytes */ switch (input_vector[1]) { - case IAC: - /* two IAC's in a row means to pass through 0xff. - * since that makes no sense here, just consume it. - */ - consume = 1; - break; - - case WILL: - case WONT: - case DO: - case DONT: - /* Expect 3 bytes */ - if (vec_len(input_vector) < 3) - return -1; /* want more bytes */ - - consume = 2; - break; - - case SB: - { - /* Sub option - search ahead for IAC SE to end it */ - i32 i; - for (i = 3; i < len && i < UNIX_CLI_MAX_DEPTH_TELNET; i++) - { - if (input_vector[i - 1] == IAC && input_vector[i] == SE) - { - /* We have a complete message; see if we care about it */ - switch (input_vector[2]) - { - case TELOPT_TTYPE: - if (input_vector[3] != 0) - break; - /* See if the terminal type is ANSI capable */ - cf->ansi_capable = - unix_cli_terminal_type(input_vector + 4, i - 5); - /* If session not started, we can release the pause */ - if (!cf->started) - /* Send the welcome banner and initial prompt */ - unix_cli_file_welcome(&unix_cli_main, cf); - break; - - case TELOPT_NAWS: - /* Window size */ - if (i != 8) /* check message is correct size */ - break; - cf->width = clib_net_to_host_u16(*((u16 *)(input_vector + 3))); - cf->height = clib_net_to_host_u16(*((u16 *)(input_vector + 5))); - /* reindex pager buffer */ - unix_cli_pager_reindex (cf); - /* redraw page */ - unix_cli_pager_redraw (cf, uf); - break; - - default: - break; - } - /* Consume it all */ - consume = i; - break; - } - } - - if (i == UNIX_CLI_MAX_DEPTH_TELNET) - consume = 1; /* hit max search depth, advance one byte */ - - if (consume == 0) - return -1; /* want more bytes */ - - break; - } - - case GA: - case EL: - case EC: - case AO: - case IP: - case BREAK: - case DM: - case NOP: - case SE: - case EOR: - case ABORT: - case SUSP: - case xEOF: - /* Simple one-byte messages */ - consume = 1; - break; - - case AYT: - /* Are You There - trigger a visible response */ - consume = 1; - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "fd.io VPP\n", 10); - break; - - default: - /* Unknown command! Eat the IAC byte */ - break; + case IAC: + /* two IAC's in a row means to pass through 0xff. + * since that makes no sense here, just consume it. + */ + consume = 1; + break; + + case WILL: + case WONT: + case DO: + case DONT: + /* Expect 3 bytes */ + if (vec_len (input_vector) < 3) + return -1; /* want more bytes */ + + consume = 2; + break; + + case SB: + { + /* Sub option - search ahead for IAC SE to end it */ + i32 i; + for (i = 3; i < len && i < UNIX_CLI_MAX_DEPTH_TELNET; i++) + { + if (input_vector[i - 1] == IAC && input_vector[i] == SE) + { + /* We have a complete message; see if we care about it */ + switch (input_vector[2]) + { + case TELOPT_TTYPE: + if (input_vector[3] != 0) + break; + /* See if the terminal type is ANSI capable */ + cf->ansi_capable = + unix_cli_terminal_type (input_vector + 4, i - 5); + /* If session not started, we can release the pause */ + if (!cf->started) + /* Send the welcome banner and initial prompt */ + unix_cli_file_welcome (&unix_cli_main, cf); + break; + + case TELOPT_NAWS: + /* Window size */ + if (i != 8) /* check message is correct size */ + break; + cf->width = + clib_net_to_host_u16 (*((u16 *) (input_vector + 3))); + cf->height = + clib_net_to_host_u16 (*((u16 *) (input_vector + 5))); + /* reindex pager buffer */ + unix_cli_pager_reindex (cf); + /* redraw page */ + unix_cli_pager_redraw (cf, uf); + break; + + default: + break; + } + /* Consume it all */ + consume = i; + break; + } + } + + if (i == UNIX_CLI_MAX_DEPTH_TELNET) + consume = 1; /* hit max search depth, advance one byte */ + + if (consume == 0) + return -1; /* want more bytes */ + + break; + } + + case GA: + case EL: + case EC: + case AO: + case IP: + case BREAK: + case DM: + case NOP: + case SE: + case EOR: + case ABORT: + case SUSP: + case xEOF: + /* Simple one-byte messages */ + consume = 1; + break; + + case AYT: + /* Are You There - trigger a visible response */ + consume = 1; + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "fd.io VPP\n", 10); + break; + + default: + /* Unknown command! Eat the IAC byte */ + break; } - return consume; + return consume; } /** \brief Process actionable input. * Based on the \c action process the input; this typically involves * searching the command history or editing the current command line. */ -static int unix_cli_line_process_one(unix_cli_main_t * cm, - unix_main_t * um, - unix_cli_file_t * cf, - unix_file_t * uf, - u8 input, - unix_cli_parse_action_t action) +static int +unix_cli_line_process_one (unix_cli_main_t * cm, + unix_main_t * um, + unix_cli_file_t * cf, + unix_file_t * uf, + u8 input, unix_cli_parse_action_t action) { - u8 * prev; + u8 *prev; int j, delta; switch (action) @@ -1210,31 +1223,31 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, case UNIX_CLI_PARSE_ACTION_REVSEARCH: case UNIX_CLI_PARSE_ACTION_FWDSEARCH: if (!cf->has_history || !cf->history_limit) - break; + break; if (cf->search_mode == 0) - { - /* Erase the current command (if any) */ - for (j = 0; j < (vec_len (cf->current_command)); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b \b", 3); - - vec_reset_length (cf->search_key); - vec_reset_length (cf->current_command); - if (action == UNIX_CLI_PARSE_ACTION_REVSEARCH) - cf->search_mode = -1; - else - cf->search_mode = 1; - cf->cursor = 0; - } + { + /* Erase the current command (if any) */ + for (j = 0; j < (vec_len (cf->current_command)); j++) + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b \b", 3); + + vec_reset_length (cf->search_key); + vec_reset_length (cf->current_command); + if (action == UNIX_CLI_PARSE_ACTION_REVSEARCH) + cf->search_mode = -1; + else + cf->search_mode = 1; + cf->cursor = 0; + } else - { - if (action == UNIX_CLI_PARSE_ACTION_REVSEARCH) - cf->search_mode = -1; - else - cf->search_mode = 1; - - cf->excursion += cf->search_mode; - goto search_again; - } + { + if (action == UNIX_CLI_PARSE_ACTION_REVSEARCH) + cf->search_mode = -1; + else + cf->search_mode = 1; + + cf->excursion += cf->search_mode; + goto search_again; + } break; case UNIX_CLI_PARSE_ACTION_ERASELINELEFT: @@ -1243,25 +1256,23 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, /* Shimmy forwards to the new end of line position */ delta = vec_len (cf->current_command) - cf->cursor; for (j = cf->cursor; j > delta; j--) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); /* Zap from here to the end of what is currently displayed */ for (; j < (vec_len (cf->current_command)); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) " ", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) " ", 1); /* Get back to the start of the line */ for (j = 0; j < (vec_len (cf->current_command)); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - j = vec_len(cf->current_command) - cf->cursor; - memmove(cf->current_command, - cf->current_command + cf->cursor, - j); - _vec_len(cf->current_command) = j; + j = vec_len (cf->current_command) - cf->cursor; + memmove (cf->current_command, cf->current_command + cf->cursor, j); + _vec_len (cf->current_command) = j; /* Print the new contents */ unix_vlib_cli_output_cooked (cf, uf, cf->current_command, j); /* Shimmy back to the start */ for (j = 0; j < (vec_len (cf->current_command)); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); cf->cursor = 0; cf->search_mode = 0; @@ -1272,34 +1283,35 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, /* Zap from cursor to end of what is currently displayed */ for (j = cf->cursor; j < (vec_len (cf->current_command)); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) " ", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) " ", 1); /* Get back to where we were */ for (j = cf->cursor; j < (vec_len (cf->current_command)); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); /* Truncate the line at the cursor */ - _vec_len(cf->current_command) = cf->cursor; + _vec_len (cf->current_command) = cf->cursor; cf->search_mode = 0; break; case UNIX_CLI_PARSE_ACTION_LEFT: if (cf->cursor > 0) - { - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - cf->cursor --; - } + { + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + cf->cursor--; + } cf->search_mode = 0; break; case UNIX_CLI_PARSE_ACTION_RIGHT: - if (cf->cursor < vec_len(cf->current_command)) - { - /* have to emit the character under the cursor */ - unix_vlib_cli_output_cooked (cf, uf, cf->current_command + cf->cursor, 1); - cf->cursor ++; - } + if (cf->cursor < vec_len (cf->current_command)) + { + /* have to emit the character under the cursor */ + unix_vlib_cli_output_cooked (cf, uf, + cf->current_command + cf->cursor, 1); + cf->cursor++; + } cf->search_mode = 0; break; @@ -1307,123 +1319,124 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, case UNIX_CLI_PARSE_ACTION_UP: case UNIX_CLI_PARSE_ACTION_DOWN: if (!cf->has_history || !cf->history_limit) - break; + break; cf->search_mode = 0; /* Erase the command */ for (j = cf->cursor; j < (vec_len (cf->current_command)); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) " ", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) " ", 1); for (j = 0; j < (vec_len (cf->current_command)); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b \b", 3); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b \b", 3); vec_reset_length (cf->current_command); if (vec_len (cf->command_history)) - { - if (action == UNIX_CLI_PARSE_ACTION_UP) - delta = -1; - else - delta = 1; - - cf->excursion += delta; - - if (cf->excursion == vec_len (cf->command_history)) - { - /* down-arrowed to last entry - want a blank line */ - _vec_len (cf->current_command) = 0; - } - else if (cf->excursion < 0) - { - /* up-arrowed over the start to the end, want a blank line */ - cf->excursion = vec_len (cf->command_history); - _vec_len (cf->current_command) = 0; - } - else - { - if (cf->excursion > (i32) vec_len (cf->command_history) -1) - /* down-arrowed past end - wrap to start */ - cf->excursion = 0; - - /* Print the command at the current position */ - prev = cf->command_history [cf->excursion]; - vec_validate (cf->current_command, vec_len(prev)-1); - - clib_memcpy (cf->current_command, prev, vec_len(prev)); - _vec_len (cf->current_command) = vec_len(prev); - unix_vlib_cli_output_cooked (cf, uf, cf->current_command, - vec_len (cf->current_command)); - } - cf->cursor = vec_len(cf->current_command); - - break; - } + { + if (action == UNIX_CLI_PARSE_ACTION_UP) + delta = -1; + else + delta = 1; + + cf->excursion += delta; + + if (cf->excursion == vec_len (cf->command_history)) + { + /* down-arrowed to last entry - want a blank line */ + _vec_len (cf->current_command) = 0; + } + else if (cf->excursion < 0) + { + /* up-arrowed over the start to the end, want a blank line */ + cf->excursion = vec_len (cf->command_history); + _vec_len (cf->current_command) = 0; + } + else + { + if (cf->excursion > (i32) vec_len (cf->command_history) - 1) + /* down-arrowed past end - wrap to start */ + cf->excursion = 0; + + /* Print the command at the current position */ + prev = cf->command_history[cf->excursion]; + vec_validate (cf->current_command, vec_len (prev) - 1); + + clib_memcpy (cf->current_command, prev, vec_len (prev)); + _vec_len (cf->current_command) = vec_len (prev); + unix_vlib_cli_output_cooked (cf, uf, cf->current_command, + vec_len (cf->current_command)); + } + cf->cursor = vec_len (cf->current_command); + + break; + } break; case UNIX_CLI_PARSE_ACTION_HOME: if (vec_len (cf->current_command) && cf->cursor > 0) - { - while (cf->cursor) - { - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - cf->cursor --; - } - } + { + while (cf->cursor) + { + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + cf->cursor--; + } + } cf->search_mode = 0; break; case UNIX_CLI_PARSE_ACTION_END: if (vec_len (cf->current_command) && - cf->cursor < vec_len(cf->current_command)) - { - unix_vlib_cli_output_cooked (cf, uf, - cf->current_command + cf->cursor, - vec_len(cf->current_command) - cf->cursor); - cf->cursor = vec_len(cf->current_command); - } + cf->cursor < vec_len (cf->current_command)) + { + unix_vlib_cli_output_cooked (cf, uf, + cf->current_command + cf->cursor, + vec_len (cf->current_command) - + cf->cursor); + cf->cursor = vec_len (cf->current_command); + } cf->search_mode = 0; break; case UNIX_CLI_PARSE_ACTION_WORDLEFT: if (vec_len (cf->current_command) && cf->cursor > 0) - { - j = cf->cursor; - - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - j --; - - while (j && isspace(cf->current_command[j])) - { - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - j --; - } - while (j && !isspace(cf->current_command[j])) - { - if (isspace(cf->current_command[j - 1])) - break; - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - j --; - } - - cf->cursor = j; - } + { + j = cf->cursor; + + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + j--; + + while (j && isspace (cf->current_command[j])) + { + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + j--; + } + while (j && !isspace (cf->current_command[j])) + { + if (isspace (cf->current_command[j - 1])) + break; + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + j--; + } + + cf->cursor = j; + } cf->search_mode = 0; break; case UNIX_CLI_PARSE_ACTION_WORDRIGHT: if (vec_len (cf->current_command) && - cf->cursor < vec_len(cf->current_command)) - { - int e = vec_len(cf->current_command); - j = cf->cursor; - while (j < e && !isspace(cf->current_command[j])) - j ++; - while (j < e && isspace(cf->current_command[j])) - j ++; - unix_vlib_cli_output_cooked (cf, uf, - cf->current_command + cf->cursor, - j - cf->cursor); - cf->cursor = j; - } + cf->cursor < vec_len (cf->current_command)) + { + int e = vec_len (cf->current_command); + j = cf->cursor; + while (j < e && !isspace (cf->current_command[j])) + j++; + while (j < e && isspace (cf->current_command[j])) + j++; + unix_vlib_cli_output_cooked (cf, uf, + cf->current_command + cf->cursor, + j - cf->cursor); + cf->cursor = j; + } cf->search_mode = 0; break; @@ -1431,32 +1444,32 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, case UNIX_CLI_PARSE_ACTION_ERASE: if (vec_len (cf->current_command)) - { - if (cf->cursor == vec_len(cf->current_command)) - { - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b \b", 3); - _vec_len (cf->current_command)--; - cf->cursor --; - } - else if (cf->cursor > 0) - { - /* shift everything at & to the right of the cursor left by 1 */ - j = vec_len (cf->current_command) - cf->cursor; - memmove (cf->current_command + cf->cursor - 1, - cf->current_command + cf->cursor, - j); - _vec_len (cf->current_command)--; - cf->cursor --; - /* redraw the rest of the line */ - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - unix_vlib_cli_output_cooked (cf, uf, - cf->current_command + cf->cursor, j); - unix_vlib_cli_output_cooked (cf, uf, (u8 *) " \b\b", 3); - /* and shift the terminal cursor back where it should be */ - while (-- j) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - } - } + { + if (cf->cursor == vec_len (cf->current_command)) + { + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b \b", 3); + _vec_len (cf->current_command)--; + cf->cursor--; + } + else if (cf->cursor > 0) + { + /* shift everything at & to the right of the cursor left by 1 */ + j = vec_len (cf->current_command) - cf->cursor; + memmove (cf->current_command + cf->cursor - 1, + cf->current_command + cf->cursor, j); + _vec_len (cf->current_command)--; + cf->cursor--; + /* redraw the rest of the line */ + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + unix_vlib_cli_output_cooked (cf, uf, + cf->current_command + cf->cursor, + j); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) " \b\b", 3); + /* and shift the terminal cursor back where it should be */ + while (--j) + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + } + } cf->search_mode = 0; cf->excursion = 0; vec_reset_length (cf->search_key); @@ -1464,37 +1477,37 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, case UNIX_CLI_PARSE_ACTION_ERASERIGHT: if (vec_len (cf->current_command)) - { - if (cf->cursor < vec_len(cf->current_command)) - { - /* shift everything to the right of the cursor left by 1 */ - j = vec_len (cf->current_command) - cf->cursor - 1; - memmove (cf->current_command + cf->cursor, - cf->current_command + cf->cursor + 1, - j); - _vec_len (cf->current_command)--; - /* redraw the rest of the line */ - unix_vlib_cli_output_cooked (cf, uf, - cf->current_command + cf->cursor, j); - unix_vlib_cli_output_cooked (cf, uf, (u8 *) " \b", 2); - /* and shift the terminal cursor back where it should be */ - if (j) - { - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - while (-- j) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); - } - } - } + { + if (cf->cursor < vec_len (cf->current_command)) + { + /* shift everything to the right of the cursor left by 1 */ + j = vec_len (cf->current_command) - cf->cursor - 1; + memmove (cf->current_command + cf->cursor, + cf->current_command + cf->cursor + 1, j); + _vec_len (cf->current_command)--; + /* redraw the rest of the line */ + unix_vlib_cli_output_cooked (cf, uf, + cf->current_command + cf->cursor, + j); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) " \b", 2); + /* and shift the terminal cursor back where it should be */ + if (j) + { + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + while (--j) + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + } + } + } else if (input == 'D' - '@') - { - /* ^D with no command entered = quit */ - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "quit\n", 5); - vlib_process_signal_event (um->vlib_main, - vlib_current_process (um->vlib_main), - UNIX_CLI_PROCESS_EVENT_QUIT, - cf - cm->cli_file_pool); - } + { + /* ^D with no command entered = quit */ + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "quit\n", 5); + vlib_process_signal_event (um->vlib_main, + vlib_current_process (um->vlib_main), + UNIX_CLI_PROCESS_EVENT_QUIT, + cf - cm->cli_file_pool); + } cf->search_mode = 0; cf->excursion = 0; vec_reset_length (cf->search_key); @@ -1506,20 +1519,19 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, * the cursor back where it was in that line. */ if (cf->ansi_capable) - unix_vlib_cli_output_cooked (cf, uf, - (u8 *) ANSI_CLEAR, - sizeof(ANSI_CLEAR)-1); + unix_vlib_cli_output_cooked (cf, uf, + (u8 *) ANSI_CLEAR, + sizeof (ANSI_CLEAR) - 1); else - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); unix_vlib_cli_output_raw (cf, uf, - cm->cli_prompt, - vec_len (cm->cli_prompt)); + cm->cli_prompt, vec_len (cm->cli_prompt)); unix_vlib_cli_output_raw (cf, uf, - cf->current_command, - vec_len (cf->current_command)); - for (j = cf->cursor; j < vec_len(cf->current_command); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); + cf->current_command, + vec_len (cf->current_command)); + for (j = cf->cursor; j < vec_len (cf->current_command); j++) + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b", 1); break; @@ -1540,171 +1552,178 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, case UNIX_CLI_PARSE_ACTION_PAGER_PGDN: /* show next page of the buffer */ if (cf->height + cf->pager_start < vec_len (cf->pager_index)) - { - u8 * line = NULL; - unix_cli_pager_index_t * pi = NULL; - - int m = cf->pager_start + (cf->height - 1); - unix_cli_pager_prompt_erase (cf, uf); - for (j = m; - j < vec_len (cf->pager_index) && cf->pager_start < m; - j ++, cf->pager_start ++) - { - pi = &cf->pager_index[j]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - } - /* if the last line didn't end in newline, add a newline */ - if (pi && line[pi->length - 1] != '\n') - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\n", 1); - unix_cli_pager_prompt (cf, uf); - } + { + u8 *line = NULL; + unix_cli_pager_index_t *pi = NULL; + + int m = cf->pager_start + (cf->height - 1); + unix_cli_pager_prompt_erase (cf, uf); + for (j = m; + j < vec_len (cf->pager_index) && cf->pager_start < m; + j++, cf->pager_start++) + { + pi = &cf->pager_index[j]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + } + /* if the last line didn't end in newline, add a newline */ + if (pi && line[pi->length - 1] != '\n') + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); + unix_cli_pager_prompt (cf, uf); + } else - { - if (action == UNIX_CLI_PARSE_ACTION_PAGER_NEXT) - /* no more in buffer, exit, but only if it was <space> */ - goto pager_quit; - } + { + if (action == UNIX_CLI_PARSE_ACTION_PAGER_NEXT) + /* no more in buffer, exit, but only if it was <space> */ + goto pager_quit; + } break; case UNIX_CLI_PARSE_ACTION_PAGER_DN: case UNIX_CLI_PARSE_ACTION_PAGER_CRLF: /* display the next line of the buffer */ if (cf->pager_start < vec_len (cf->pager_index) - (cf->height - 1)) - { - u8 * line; - unix_cli_pager_index_t * pi; - - unix_cli_pager_prompt_erase (cf, uf); - pi = &cf->pager_index[cf->pager_start + (cf->height - 1)]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - cf->pager_start ++; - /* if the last line didn't end in newline, add a newline */ - if (line[pi->length - 1] != '\n') - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\n", 1); - unix_cli_pager_prompt (cf, uf); - } + { + u8 *line; + unix_cli_pager_index_t *pi; + + unix_cli_pager_prompt_erase (cf, uf); + pi = &cf->pager_index[cf->pager_start + (cf->height - 1)]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + cf->pager_start++; + /* if the last line didn't end in newline, add a newline */ + if (line[pi->length - 1] != '\n') + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); + unix_cli_pager_prompt (cf, uf); + } else - { - if (action == UNIX_CLI_PARSE_ACTION_PAGER_CRLF) - /* no more in buffer, exit, but only if it was <enter> */ - goto pager_quit; - } + { + if (action == UNIX_CLI_PARSE_ACTION_PAGER_CRLF) + /* no more in buffer, exit, but only if it was <enter> */ + goto pager_quit; + } break; case UNIX_CLI_PARSE_ACTION_PAGER_UP: /* scroll the page back one line */ if (cf->pager_start > 0) - { - u8 * line = NULL; - unix_cli_pager_index_t * pi = NULL; - - cf->pager_start --; - if (cf->ansi_capable) - { - pi = &cf->pager_index[cf->pager_start]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_cli_pager_prompt_erase (cf, uf); - unix_vlib_cli_output_cooked (cf, uf, (u8 *)ANSI_SCROLLDN, sizeof(ANSI_SCROLLDN) - 1); - unix_vlib_cli_output_cooked (cf, uf, (u8 *)ANSI_SAVECURSOR, sizeof(ANSI_SAVECURSOR) - 1); - unix_cli_ansi_cursor(cf, uf, 1, 1); - unix_vlib_cli_output_cooked (cf, uf, (u8 *)ANSI_CLEARLINE, sizeof(ANSI_CLEARLINE) - 1); - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - unix_vlib_cli_output_cooked (cf, uf, (u8 *)ANSI_RESTCURSOR, sizeof(ANSI_RESTCURSOR) - 1); - unix_cli_pager_prompt_erase (cf, uf); - unix_cli_pager_prompt (cf, uf); - } - else - { - int m = cf->pager_start + (cf->height - 1); - unix_cli_pager_prompt_erase (cf, uf); - for (j = cf->pager_start; j < vec_len (cf->pager_index) && j < m; j ++) - { - pi = &cf->pager_index[j]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - } - /* if the last line didn't end in newline, add a newline */ - if (pi && line[pi->length - 1] != '\n') - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\n", 1); - unix_cli_pager_prompt (cf, uf); - } - } + { + u8 *line = NULL; + unix_cli_pager_index_t *pi = NULL; + + cf->pager_start--; + if (cf->ansi_capable) + { + pi = &cf->pager_index[cf->pager_start]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_cli_pager_prompt_erase (cf, uf); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) ANSI_SCROLLDN, + sizeof (ANSI_SCROLLDN) - 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) ANSI_SAVECURSOR, + sizeof (ANSI_SAVECURSOR) - 1); + unix_cli_ansi_cursor (cf, uf, 1, 1); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) ANSI_CLEARLINE, + sizeof (ANSI_CLEARLINE) - 1); + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + unix_vlib_cli_output_cooked (cf, uf, (u8 *) ANSI_RESTCURSOR, + sizeof (ANSI_RESTCURSOR) - 1); + unix_cli_pager_prompt_erase (cf, uf); + unix_cli_pager_prompt (cf, uf); + } + else + { + int m = cf->pager_start + (cf->height - 1); + unix_cli_pager_prompt_erase (cf, uf); + for (j = cf->pager_start; + j < vec_len (cf->pager_index) && j < m; j++) + { + pi = &cf->pager_index[j]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + } + /* if the last line didn't end in newline, add a newline */ + if (pi && line[pi->length - 1] != '\n') + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); + unix_cli_pager_prompt (cf, uf); + } + } break; case UNIX_CLI_PARSE_ACTION_PAGER_TOP: /* back to the first page of the buffer */ if (cf->pager_start > 0) - { - u8 * line = NULL; - unix_cli_pager_index_t * pi = NULL; - - cf->pager_start = 0; - int m = cf->pager_start + (cf->height - 1); - unix_cli_pager_prompt_erase (cf, uf); - for (j = cf->pager_start; j < vec_len (cf->pager_index) && j < m; j ++) - { - pi = &cf->pager_index[j]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - } - /* if the last line didn't end in newline, add a newline */ - if (pi && line[pi->length - 1] != '\n') - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\n", 1); - unix_cli_pager_prompt (cf, uf); - } + { + u8 *line = NULL; + unix_cli_pager_index_t *pi = NULL; + + cf->pager_start = 0; + int m = cf->pager_start + (cf->height - 1); + unix_cli_pager_prompt_erase (cf, uf); + for (j = cf->pager_start; j < vec_len (cf->pager_index) && j < m; + j++) + { + pi = &cf->pager_index[j]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + } + /* if the last line didn't end in newline, add a newline */ + if (pi && line[pi->length - 1] != '\n') + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); + unix_cli_pager_prompt (cf, uf); + } break; case UNIX_CLI_PARSE_ACTION_PAGER_BOTTOM: /* skip to the last page of the buffer */ if (cf->pager_start < vec_len (cf->pager_index) - (cf->height - 1)) - { - u8 * line = NULL; - unix_cli_pager_index_t * pi = NULL; - - cf->pager_start = vec_len (cf->pager_index) - (cf->height - 1); - unix_cli_pager_prompt_erase (cf, uf); - unix_cli_pager_message (cf, uf, "skipping", "\n"); - for (j = cf->pager_start; j < vec_len (cf->pager_index); j ++) - { - pi = &cf->pager_index[j]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - } - /* if the last line didn't end in newline, add a newline */ - if (pi && line[pi->length - 1] != '\n') - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\n", 1); - unix_cli_pager_prompt (cf, uf); - } + { + u8 *line = NULL; + unix_cli_pager_index_t *pi = NULL; + + cf->pager_start = vec_len (cf->pager_index) - (cf->height - 1); + unix_cli_pager_prompt_erase (cf, uf); + unix_cli_pager_message (cf, uf, "skipping", "\n"); + for (j = cf->pager_start; j < vec_len (cf->pager_index); j++) + { + pi = &cf->pager_index[j]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + } + /* if the last line didn't end in newline, add a newline */ + if (pi && line[pi->length - 1] != '\n') + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); + unix_cli_pager_prompt (cf, uf); + } break; case UNIX_CLI_PARSE_ACTION_PAGER_PGUP: /* wander back one page in the buffer */ if (cf->pager_start > 0) - { - u8 * line = NULL; - unix_cli_pager_index_t * pi = NULL; - int m; - - if (cf->pager_start >= cf->height) - cf->pager_start -= cf->height - 1; - else - cf->pager_start = 0; - m = cf->pager_start + cf->height - 1; - unix_cli_pager_prompt_erase (cf, uf); - for (j = cf->pager_start; j < vec_len (cf->pager_index) && j < m; j ++) - { - pi = &cf->pager_index[j]; - line = cf->pager_vector[pi->line] + pi->offset; - unix_vlib_cli_output_cooked (cf, uf, line, pi->length); - } - /* if the last line didn't end in newline, add a newline */ - if (pi && line[pi->length - 1] != '\n') - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\n", 1); - unix_cli_pager_prompt (cf, uf); - } + { + u8 *line = NULL; + unix_cli_pager_index_t *pi = NULL; + int m; + + if (cf->pager_start >= cf->height) + cf->pager_start -= cf->height - 1; + else + cf->pager_start = 0; + m = cf->pager_start + cf->height - 1; + unix_cli_pager_prompt_erase (cf, uf); + for (j = cf->pager_start; j < vec_len (cf->pager_index) && j < m; + j++) + { + pi = &cf->pager_index[j]; + line = cf->pager_vector[pi->line] + pi->offset; + unix_vlib_cli_output_cooked (cf, uf, line, pi->length); + } + /* if the last line didn't end in newline, add a newline */ + if (pi && line[pi->length - 1] != '\n') + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); + unix_cli_pager_prompt (cf, uf); + } break; case UNIX_CLI_PARSE_ACTION_PAGER_REDRAW: @@ -1722,31 +1741,33 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\n", 1); if (cf->has_history && cf->history_limit) - { - if (cf->command_history && vec_len(cf->command_history) >= cf->history_limit) - { - vec_free (cf->command_history[0]); - vec_delete (cf->command_history, 1, 0); - } - /* Don't add blank lines to the cmd history */ - if (vec_len (cf->current_command)) - { - /* Don't duplicate the previous command */ - j = vec_len(cf->command_history); - if (j == 0 || - (vec_len (cf->current_command) != vec_len (cf->command_history[j - 1]) || - memcmp(cf->current_command, cf->command_history[j - 1], - vec_len (cf->current_command)) != 0)) - { - /* copy the command to the history */ - u8 * c = 0; - vec_append(c, cf->current_command); - vec_add1 (cf->command_history, c); - cf->command_number ++; - } - } - cf->excursion = vec_len (cf->command_history); - } + { + if (cf->command_history + && vec_len (cf->command_history) >= cf->history_limit) + { + vec_free (cf->command_history[0]); + vec_delete (cf->command_history, 1, 0); + } + /* Don't add blank lines to the cmd history */ + if (vec_len (cf->current_command)) + { + /* Don't duplicate the previous command */ + j = vec_len (cf->command_history); + if (j == 0 || + (vec_len (cf->current_command) != + vec_len (cf->command_history[j - 1]) + || memcmp (cf->current_command, cf->command_history[j - 1], + vec_len (cf->current_command)) != 0)) + { + /* copy the command to the history */ + u8 *c = 0; + vec_append (c, cf->current_command); + vec_add1 (cf->command_history, c); + cf->command_number++; + } + } + cf->excursion = vec_len (cf->command_history); + } cf->search_mode = 0; vec_reset_length (cf->search_key); @@ -1757,101 +1778,100 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, case UNIX_CLI_PARSE_ACTION_PARTIALMATCH: case UNIX_CLI_PARSE_ACTION_NOMATCH: if (vec_len (cf->pager_index)) - { - /* no-op for now */ - } - else if (cf->has_history && cf->search_mode && isprint(input)) - { - int k, limit, offset; - u8 * item; - - vec_add1 (cf->search_key, input); - - search_again: - for (j = 0; j < vec_len(cf->command_history); j++) - { - if (cf->excursion > (i32) vec_len (cf->command_history) -1) - cf->excursion = 0; - else if (cf->excursion < 0) - cf->excursion = vec_len (cf->command_history) -1; - - item = cf->command_history[cf->excursion]; - - limit = (vec_len(cf->search_key) > vec_len (item)) ? - vec_len(item) : vec_len (cf->search_key); - - for (offset = 0; offset <= vec_len(item) - limit; offset++) - { - for (k = 0; k < limit; k++) - { - if (item[k+offset] != cf->search_key[k]) - goto next_offset; - } - goto found_at_offset; - - next_offset: - ; - } - goto next; - - found_at_offset: - for (j = 0; j < vec_len (cf->current_command); j++) - unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b \b", 3); - - vec_validate (cf->current_command, vec_len(item)-1); - clib_memcpy (cf->current_command, item, vec_len(item)); - _vec_len (cf->current_command) = vec_len(item); - - unix_vlib_cli_output_cooked (cf, uf, cf->current_command, - vec_len (cf->current_command)); - cf->cursor = vec_len (cf->current_command); - goto found; - - next: - cf->excursion += cf->search_mode; - } - - unix_vlib_cli_output_cooked (cf, uf, (u8 *)"\nNo match...", 12); - vec_reset_length (cf->search_key); - vec_reset_length (cf->current_command); - cf->search_mode = 0; - cf->cursor = 0; - goto crlf; - } - else if (isprint(input)) /* skip any errant control codes */ - { - if (cf->cursor == vec_len(cf->current_command)) - { - /* Append to end */ - vec_add1 (cf->current_command, input); - cf->cursor ++; - - /* Echo the character back to the client */ - unix_vlib_cli_output_raw (cf, uf, &input, 1); - } - else - { - /* Insert at cursor: resize +1 byte, move everything over */ - j = vec_len (cf->current_command) - cf->cursor; - vec_add1 (cf->current_command, (u8)'A'); - memmove (cf->current_command + cf->cursor + 1, - cf->current_command + cf->cursor, - j); - cf->current_command[cf->cursor] = input; - /* Redraw the line */ - j ++; - unix_vlib_cli_output_raw (cf, uf, - cf->current_command + cf->cursor, j); - /* Put terminal cursor back */ - while (-- j) - unix_vlib_cli_output_raw (cf, uf, (u8 *)"\b", 1); - cf->cursor ++; - } - } + { + /* no-op for now */ + } + else if (cf->has_history && cf->search_mode && isprint (input)) + { + int k, limit, offset; + u8 *item; + + vec_add1 (cf->search_key, input); + + search_again: + for (j = 0; j < vec_len (cf->command_history); j++) + { + if (cf->excursion > (i32) vec_len (cf->command_history) - 1) + cf->excursion = 0; + else if (cf->excursion < 0) + cf->excursion = vec_len (cf->command_history) - 1; + + item = cf->command_history[cf->excursion]; + + limit = (vec_len (cf->search_key) > vec_len (item)) ? + vec_len (item) : vec_len (cf->search_key); + + for (offset = 0; offset <= vec_len (item) - limit; offset++) + { + for (k = 0; k < limit; k++) + { + if (item[k + offset] != cf->search_key[k]) + goto next_offset; + } + goto found_at_offset; + + next_offset: + ; + } + goto next; + + found_at_offset: + for (j = 0; j < vec_len (cf->current_command); j++) + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\b \b", 3); + + vec_validate (cf->current_command, vec_len (item) - 1); + clib_memcpy (cf->current_command, item, vec_len (item)); + _vec_len (cf->current_command) = vec_len (item); + + unix_vlib_cli_output_cooked (cf, uf, cf->current_command, + vec_len (cf->current_command)); + cf->cursor = vec_len (cf->current_command); + goto found; + + next: + cf->excursion += cf->search_mode; + } + + unix_vlib_cli_output_cooked (cf, uf, (u8 *) "\nNo match...", 12); + vec_reset_length (cf->search_key); + vec_reset_length (cf->current_command); + cf->search_mode = 0; + cf->cursor = 0; + goto crlf; + } + else if (isprint (input)) /* skip any errant control codes */ + { + if (cf->cursor == vec_len (cf->current_command)) + { + /* Append to end */ + vec_add1 (cf->current_command, input); + cf->cursor++; + + /* Echo the character back to the client */ + unix_vlib_cli_output_raw (cf, uf, &input, 1); + } + else + { + /* Insert at cursor: resize +1 byte, move everything over */ + j = vec_len (cf->current_command) - cf->cursor; + vec_add1 (cf->current_command, (u8) 'A'); + memmove (cf->current_command + cf->cursor + 1, + cf->current_command + cf->cursor, j); + cf->current_command[cf->cursor] = input; + /* Redraw the line */ + j++; + unix_vlib_cli_output_raw (cf, uf, + cf->current_command + cf->cursor, j); + /* Put terminal cursor back */ + while (--j) + unix_vlib_cli_output_raw (cf, uf, (u8 *) "\b", 1); + cf->cursor++; + } + } else - { - /* no-op - not printable or otherwise not actionable */ - } + { + /* no-op - not printable or otherwise not actionable */ + } found: @@ -1860,16 +1880,16 @@ static int unix_cli_line_process_one(unix_cli_main_t * cm, case UNIX_CLI_PARSE_ACTION_TELNETIAC: break; } - return 1; + return 1; } /** \brief Process input bytes on a stream to provide line editing and * command history in the CLI. */ -static int unix_cli_line_edit (unix_cli_main_t * cm, - unix_main_t * um, - unix_cli_file_t * cf) +static int +unix_cli_line_edit (unix_cli_main_t * cm, + unix_main_t * um, unix_cli_file_t * cf) { - unix_file_t * uf = pool_elt_at_index (um->file_pool, cf->unix_file_index); + unix_file_t *uf = pool_elt_at_index (um->file_pool, cf->unix_file_index); int i; for (i = 0; i < vec_len (cf->input_vector); i++) @@ -1879,78 +1899,82 @@ static int unix_cli_line_edit (unix_cli_main_t * cm, unix_cli_parse_actions_t *a; /* If we're in the pager mode, search the pager actions */ - a = vec_len (cf->pager_index) ? unix_cli_parse_pager : unix_cli_parse_strings; + a = + vec_len (cf->pager_index) ? unix_cli_parse_pager : + unix_cli_parse_strings; /* See if the input buffer is some sort of control code */ - action = unix_cli_match_action(a, &cf->input_vector[i], - vec_len (cf->input_vector) - i, &matched); + action = unix_cli_match_action (a, &cf->input_vector[i], + vec_len (cf->input_vector) - i, + &matched); switch (action) - { - case UNIX_CLI_PARSE_ACTION_PARTIALMATCH: - if (i) - { - /* There was a partial match which means we need more bytes - * than the input buffer currently has. - * Since the bytes before here have been processed, shift - * the remaining contents to the start of the input buffer. - */ - vec_delete (cf->input_vector, i, 0); - } - return 1; /* wait for more */ - - case UNIX_CLI_PARSE_ACTION_TELNETIAC: - /* process telnet options */ - matched = unix_cli_process_telnet(um, cf, uf, - cf->input_vector + i, vec_len(cf->input_vector) - i); - if (matched < 0) - { - if (i) - { - /* There was a partial match which means we need more bytes - * than the input buffer currently has. - * Since the bytes before here have been processed, shift - * the remaining contents to the start of the input buffer. - */ - vec_delete (cf->input_vector, i, 0); - } - return 1; /* wait for more */ - } - break; - - default: - /* process the action */ - if (!unix_cli_line_process_one(cm, um, cf, uf, - cf->input_vector[i], action)) - { - /* CRLF found. Consume the bytes from the input_vector */ - vec_delete (cf->input_vector, i + matched, 0); - /* And tell our caller to execute cf->input_command */ - return 0; - } - } + { + case UNIX_CLI_PARSE_ACTION_PARTIALMATCH: + if (i) + { + /* There was a partial match which means we need more bytes + * than the input buffer currently has. + * Since the bytes before here have been processed, shift + * the remaining contents to the start of the input buffer. + */ + vec_delete (cf->input_vector, i, 0); + } + return 1; /* wait for more */ + + case UNIX_CLI_PARSE_ACTION_TELNETIAC: + /* process telnet options */ + matched = unix_cli_process_telnet (um, cf, uf, + cf->input_vector + i, + vec_len (cf->input_vector) - i); + if (matched < 0) + { + if (i) + { + /* There was a partial match which means we need more bytes + * than the input buffer currently has. + * Since the bytes before here have been processed, shift + * the remaining contents to the start of the input buffer. + */ + vec_delete (cf->input_vector, i, 0); + } + return 1; /* wait for more */ + } + break; + + default: + /* process the action */ + if (!unix_cli_line_process_one (cm, um, cf, uf, + cf->input_vector[i], action)) + { + /* CRLF found. Consume the bytes from the input_vector */ + vec_delete (cf->input_vector, i + matched, 0); + /* And tell our caller to execute cf->input_command */ + return 0; + } + } i += matched; } - vec_reset_length(cf->input_vector); + vec_reset_length (cf->input_vector); return 1; } /** \brief Process input to a CLI session. */ -static void unix_cli_process_input (unix_cli_main_t * cm, - uword cli_file_index) +static void +unix_cli_process_input (unix_cli_main_t * cm, uword cli_file_index) { - unix_main_t * um = &unix_main; - unix_file_t * uf; - unix_cli_file_t * cf = pool_elt_at_index (cm->cli_file_pool, cli_file_index); + unix_main_t *um = &unix_main; + unix_file_t *uf; + unix_cli_file_t *cf = pool_elt_at_index (cm->cli_file_pool, cli_file_index); unformat_input_t input; int vlib_parse_eval (u8 *); more: /* Try vlibplex first. Someday... */ if (0 && vlib_parse_eval (cf->input_vector) == 0) - goto done; + goto done; if (cf->line_mode) { @@ -1961,23 +1985,21 @@ more: { /* Line edit, echo, etc. */ if (unix_cli_line_edit (cm, um, cf)) - /* want more input */ - return; + /* want more input */ + return; } if (um->log_fd) { - static u8 * lv; + static u8 *lv; vec_reset_length (lv); - lv = format (lv, "%U[%d]: %v", - format_timeval, - 0 /* current bat-time */, - 0 /* current bat-format */, - cli_file_index, - cf->input_vector); + lv = format (lv, "%U[%d]: %v", + format_timeval, 0 /* current bat-time */ , + 0 /* current bat-format */ , + cli_file_index, cf->input_vector); { - int rv __attribute__((unused)) = - write (um->log_fd, lv, vec_len(lv)); + int rv __attribute__ ((unused)) = + write (um->log_fd, lv, vec_len (lv)); } } @@ -1988,10 +2010,11 @@ more: (void) unformat (&input, ""); cm->current_input_file_index = cli_file_index; - cf->pager_start = 0; /* start a new pager session */ + cf->pager_start = 0; /* start a new pager session */ if (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT) - vlib_cli_input (um->vlib_main, &input, unix_vlib_cli_output, cli_file_index); + vlib_cli_input (um->vlib_main, &input, unix_vlib_cli_output, + cli_file_index); /* Zero buffer since otherwise unformat_free will call vec_free on it. */ input.buffer = 0; @@ -2016,7 +2039,8 @@ done: cf->no_pager = um->cli_no_pager; } - if (vec_len (cf->pager_index) == 0 || vec_len (cf->pager_index) < cf->height) + if (vec_len (cf->pager_index) == 0 + || vec_len (cf->pager_index) < cf->height) { /* There was no need for the pager */ unix_cli_pager_reset (cf); @@ -2027,19 +2051,20 @@ done: else { /* Display the pager prompt */ - unix_cli_pager_prompt(cf, uf); + unix_cli_pager_prompt (cf, uf); } - /* Any residual data in the input vector? */ - if (vec_len (cf->input_vector)) - goto more; + /* Any residual data in the input vector? */ + if (vec_len (cf->input_vector)) + goto more; } -static void unix_cli_kill (unix_cli_main_t * cm, uword cli_file_index) +static void +unix_cli_kill (unix_cli_main_t * cm, uword cli_file_index) { - unix_main_t * um = &unix_main; - unix_cli_file_t * cf; - unix_file_t * uf; + unix_main_t *um = &unix_main; + unix_cli_file_t *cf; + unix_file_t *uf; int i; cf = pool_elt_at_index (cm->cli_file_pool, cli_file_index); @@ -2053,7 +2078,7 @@ static void unix_cli_kill (unix_cli_main_t * cm, uword cli_file_index) vec_free (cf->search_key); for (i = 0; i < vec_len (cf->command_history); i++) - vec_free (cf->command_history[i]); + vec_free (cf->command_history[i]); vec_free (cf->command_history); @@ -2065,11 +2090,10 @@ static void unix_cli_kill (unix_cli_main_t * cm, uword cli_file_index) static uword unix_cli_process (vlib_main_t * vm, - vlib_node_runtime_t * rt, - vlib_frame_t * f) + vlib_node_runtime_t * rt, vlib_frame_t * f) { - unix_cli_main_t * cm = &unix_cli_main; - uword i, * data = 0; + unix_cli_main_t *cm = &unix_cli_main; + uword i, *data = 0; while (1) { @@ -2095,7 +2119,7 @@ unix_cli_process (vlib_main_t * vm, _vec_len (data) = 0; } - done: +done: vec_free (data); vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED); @@ -2106,10 +2130,11 @@ unix_cli_process (vlib_main_t * vm, return 0; } -static clib_error_t * unix_cli_write_ready (unix_file_t * uf) +static clib_error_t * +unix_cli_write_ready (unix_file_t * uf) { - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; int n; cf = pool_elt_at_index (cm->cli_file_pool, uf->private_data); @@ -2127,18 +2152,20 @@ static clib_error_t * unix_cli_write_ready (unix_file_t * uf) return /* no error */ 0; } -static clib_error_t * unix_cli_read_ready (unix_file_t * uf) +static clib_error_t * +unix_cli_read_ready (unix_file_t * uf) { - unix_main_t * um = &unix_main; - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; + unix_main_t *um = &unix_main; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; uword l; int n, n_read, n_try; cf = pool_elt_at_index (cm->cli_file_pool, uf->private_data); n = n_try = 4096; - while (n == n_try) { + while (n == n_try) + { l = vec_len (cf->input_vector); vec_resize (cf->input_vector, l + n_try); @@ -2146,13 +2173,13 @@ static clib_error_t * unix_cli_read_ready (unix_file_t * uf) /* Error? */ if (n < 0 && errno != EAGAIN) - return clib_error_return_unix (0, "read"); - + return clib_error_return_unix (0, "read"); + n_read = n < 0 ? 0 : n; _vec_len (cf->input_vector) = l + n_read; - } + } - if (! (n < 0)) + if (!(n < 0)) vlib_process_signal_event (um->vlib_main, cf->process_node_index, (n_read == 0 @@ -2168,13 +2195,14 @@ static clib_error_t * unix_cli_read_ready (unix_file_t * uf) * @param fd The file descriptor for the session I/O. * @return The session ID. */ -static u32 unix_cli_file_add (unix_cli_main_t * cm, char * name, int fd) +static u32 +unix_cli_file_add (unix_cli_main_t * cm, char *name, int fd) { - unix_main_t * um = &unix_main; - unix_cli_file_t * cf; - unix_file_t template = {0}; - vlib_main_t * vm = um->vlib_main; - vlib_node_t * n; + unix_main_t *um = &unix_main; + unix_cli_file_t *cf; + unix_file_t template = { 0 }; + vlib_main_t *vm = um->vlib_main; + vlib_node_t *n; name = (char *) format (0, "unix-cli-%s", name); @@ -2221,7 +2249,7 @@ static u32 unix_cli_file_add (unix_cli_main_t * cm, char * name, int fd) vlib_start_process (vm, n->runtime_index); - vlib_process_t * p = vlib_get_process_from_node(vm, n); + vlib_process_t *p = vlib_get_process_from_node (vm, n); p->output_function = unix_vlib_cli_output; p->output_function_arg = cf - cm->cli_file_pool; @@ -2229,15 +2257,16 @@ static u32 unix_cli_file_add (unix_cli_main_t * cm, char * name, int fd) } /** Telnet listening socket has a new connection. */ -static clib_error_t * unix_cli_listen_read_ready (unix_file_t * uf) +static clib_error_t * +unix_cli_listen_read_ready (unix_file_t * uf) { - unix_main_t * um = &unix_main; - unix_cli_main_t * cm = &unix_cli_main; - clib_socket_t * s = &um->cli_listen_socket; + unix_main_t *um = &unix_main; + unix_cli_main_t *cm = &unix_cli_main; + clib_socket_t *s = &um->cli_listen_socket; clib_socket_t client; - char * client_name; - clib_error_t * error; - unix_cli_file_t * cf; + char *client_name; + clib_error_t *error; + unix_cli_file_t *cf; u32 cf_index; error = clib_socket_accept (s, &client); @@ -2262,16 +2291,16 @@ static clib_error_t * unix_cli_listen_read_ready (unix_file_t * uf) * Technically these should be negotiated, but this works. */ u8 charmode_option[] = { - IAC, WONT, TELOPT_LINEMODE, /* server will do char-by-char */ - IAC, DONT, TELOPT_LINEMODE, /* client should do char-by-char */ - IAC, WILL, TELOPT_SGA, /* server willl supress GA */ - IAC, DO, TELOPT_SGA, /* client should supress Go Ahead */ - IAC, WILL, TELOPT_ECHO, /* server will do echo */ - IAC, DONT, TELOPT_ECHO, /* client should not echo */ - IAC, DO, TELOPT_TTYPE, /* client should tell us its term type */ - IAC, SB, TELOPT_TTYPE, 1, IAC, SE, /* now tell me ttype */ - IAC, DO, TELOPT_NAWS, /* client should tell us its window sz */ - IAC, SB, TELOPT_NAWS, 1, IAC, SE, /* now tell me window size */ + IAC, WONT, TELOPT_LINEMODE, /* server will do char-by-char */ + IAC, DONT, TELOPT_LINEMODE, /* client should do char-by-char */ + IAC, WILL, TELOPT_SGA, /* server willl supress GA */ + IAC, DO, TELOPT_SGA, /* client should supress Go Ahead */ + IAC, WILL, TELOPT_ECHO, /* server will do echo */ + IAC, DONT, TELOPT_ECHO, /* client should not echo */ + IAC, DO, TELOPT_TTYPE, /* client should tell us its term type */ + IAC, SB, TELOPT_TTYPE, 1, IAC, SE, /* now tell me ttype */ + IAC, DO, TELOPT_NAWS, /* client should tell us its window sz */ + IAC, SB, TELOPT_NAWS, 1, IAC, SE, /* now tell me window size */ }; /* Enable history on this CLI */ @@ -2291,7 +2320,7 @@ static clib_error_t * unix_cli_listen_read_ready (unix_file_t * uf) /* Send the telnet options */ unix_vlib_cli_output_raw (cf, uf, charmode_option, - ARRAY_LEN(charmode_option)); + ARRAY_LEN (charmode_option)); /* In case the client doesn't negotiate terminal type, use * a timer to kick off the initial prompt. */ @@ -2307,16 +2336,16 @@ static clib_error_t * unix_cli_listen_read_ready (unix_file_t * uf) static void unix_cli_resize_interrupt (int signum) { - unix_main_t * um = &unix_main; - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf = pool_elt_at_index (cm->cli_file_pool, - cm->stdin_cli_file_index); - unix_file_t * uf = pool_elt_at_index (um->file_pool, cf->unix_file_index); + unix_main_t *um = &unix_main; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf = pool_elt_at_index (cm->cli_file_pool, + cm->stdin_cli_file_index); + unix_file_t *uf = pool_elt_at_index (um->file_pool, cf->unix_file_index); struct winsize ws; - (void)signum; + (void) signum; /* Terminal resized, fetch the new size */ - ioctl(UNIX_CLI_STDIN_FD, TIOCGWINSZ, &ws); + ioctl (UNIX_CLI_STDIN_FD, TIOCGWINSZ, &ws); cf->width = ws.ws_col; cf->height = ws.ws_row; @@ -2331,16 +2360,16 @@ unix_cli_resize_interrupt (int signum) static clib_error_t * unix_cli_config (vlib_main_t * vm, unformat_input_t * input) { - unix_main_t * um = &unix_main; - unix_cli_main_t * cm = &unix_cli_main; + unix_main_t *um = &unix_main; + unix_cli_main_t *cm = &unix_cli_main; int flags; - clib_error_t * error = 0; - unix_cli_file_t * cf; + clib_error_t *error = 0; + unix_cli_file_t *cf; u32 cf_index; struct termios tio; struct sigaction sa; struct winsize ws; - u8 * term; + u8 *term; /* We depend on unix flags being set. */ if ((error = vlib_call_config_function (vm, unix_config))) @@ -2350,7 +2379,7 @@ unix_cli_config (vlib_main_t * vm, unformat_input_t * input) { /* Set stdin to be non-blocking. */ if ((flags = fcntl (UNIX_CLI_STDIN_FD, F_GETFL, 0)) < 0) - flags = 0; + flags = 0; fcntl (UNIX_CLI_STDIN_FD, F_SETFL, flags | O_NONBLOCK); cf_index = unix_cli_file_add (cm, "stdin", UNIX_CLI_STDIN_FD); @@ -2359,85 +2388,87 @@ unix_cli_config (vlib_main_t * vm, unformat_input_t * input) /* If stdin is a tty and we are using chacracter mode, enable * history on the CLI and set the tty line discipline accordingly. */ - if (isatty(UNIX_CLI_STDIN_FD) && um->cli_line_mode == 0) - { - /* Capture terminal resize events */ - sa.sa_handler = unix_cli_resize_interrupt; - sa.sa_flags = 0; - if (sigaction (SIGWINCH, &sa, 0) < 0) - clib_panic ("sigaction"); - - /* Retrieve the current terminal size */ - ioctl(UNIX_CLI_STDIN_FD, TIOCGWINSZ, &ws); - cf->width = ws.ws_col; - cf->height = ws.ws_row; - - if (cf->width == 0 || cf->height == 0) - /* We have a tty, but no size. Stick to line mode. */ - goto notty; - - /* Setup the history */ - cf->history_limit = um->cli_history_limit; - cf->has_history = cf->history_limit != 0; - - /* Setup the pager */ - cf->no_pager = um->cli_no_pager; - - /* We're going to be in char by char mode */ - cf->line_mode = 0; - - /* Save the original tty state so we can restore it later */ - tcgetattr(UNIX_CLI_STDIN_FD, &um->tio_stdin); - um->tio_isset = 1; - - /* Tweak the tty settings */ - tio = um->tio_stdin; - /* echo off, canonical mode off, ext'd input processing off */ - tio.c_lflag &= ~(ECHO | ICANON | IEXTEN); - tio.c_cc[VMIN] = 1; /* 1 byte at a time */ - tio.c_cc[VTIME] = 0; /* no timer */ - tcsetattr(UNIX_CLI_STDIN_FD, TCSAFLUSH, &tio); - - /* See if we can do ANSI/VT100 output */ - term = (u8 *)getenv("TERM"); - if (term != NULL) - cf->ansi_capable = unix_cli_terminal_type(term, - strlen((char *)term)); - } + if (isatty (UNIX_CLI_STDIN_FD) && um->cli_line_mode == 0) + { + /* Capture terminal resize events */ + sa.sa_handler = unix_cli_resize_interrupt; + sa.sa_flags = 0; + if (sigaction (SIGWINCH, &sa, 0) < 0) + clib_panic ("sigaction"); + + /* Retrieve the current terminal size */ + ioctl (UNIX_CLI_STDIN_FD, TIOCGWINSZ, &ws); + cf->width = ws.ws_col; + cf->height = ws.ws_row; + + if (cf->width == 0 || cf->height == 0) + /* We have a tty, but no size. Stick to line mode. */ + goto notty; + + /* Setup the history */ + cf->history_limit = um->cli_history_limit; + cf->has_history = cf->history_limit != 0; + + /* Setup the pager */ + cf->no_pager = um->cli_no_pager; + + /* We're going to be in char by char mode */ + cf->line_mode = 0; + + /* Save the original tty state so we can restore it later */ + tcgetattr (UNIX_CLI_STDIN_FD, &um->tio_stdin); + um->tio_isset = 1; + + /* Tweak the tty settings */ + tio = um->tio_stdin; + /* echo off, canonical mode off, ext'd input processing off */ + tio.c_lflag &= ~(ECHO | ICANON | IEXTEN); + tio.c_cc[VMIN] = 1; /* 1 byte at a time */ + tio.c_cc[VTIME] = 0; /* no timer */ + tcsetattr (UNIX_CLI_STDIN_FD, TCSAFLUSH, &tio); + + /* See if we can do ANSI/VT100 output */ + term = (u8 *) getenv ("TERM"); + if (term != NULL) + cf->ansi_capable = unix_cli_terminal_type (term, + strlen ((char *) + term)); + } else - { - notty: - /* No tty, so make sure these things are off */ - cf->no_pager = 1; - cf->history_limit = 0; - cf->has_history = 0; - cf->line_mode = 1; - } + { + notty: + /* No tty, so make sure these things are off */ + cf->no_pager = 1; + cf->history_limit = 0; + cf->has_history = 0; + cf->line_mode = 1; + } /* Send banner and initial prompt */ - unix_cli_file_welcome(cm, cf); + unix_cli_file_welcome (cm, cf); } /* If we have socket config, LISTEN, otherwise, don't */ - clib_socket_t * s = &um->cli_listen_socket; - if(s->config && s->config[0] != 0) { - /* CLI listen. */ - unix_file_t template = {0}; + clib_socket_t *s = &um->cli_listen_socket; + if (s->config && s->config[0] != 0) + { + /* CLI listen. */ + unix_file_t template = { 0 }; - s->flags = SOCKET_IS_SERVER; /* listen, don't connect */ - error = clib_socket_init (s); + s->flags = SOCKET_IS_SERVER; /* listen, don't connect */ + error = clib_socket_init (s); - if (error) - return error; + if (error) + return error; - template.read_function = unix_cli_listen_read_ready; - template.file_descriptor = s->fd; + template.read_function = unix_cli_listen_read_ready; + template.file_descriptor = s->fd; - unix_file_add (um, &template); - } + unix_file_add (um, &template); + } /* Set CLI prompt. */ - if (! cm->cli_prompt) + if (!cm->cli_prompt) cm->cli_prompt = format (0, "VLIB: "); return 0; @@ -2451,11 +2482,11 @@ VLIB_CONFIG_FUNCTION (unix_cli_config, "unix-cli"); static clib_error_t * unix_cli_exit (vlib_main_t * vm) { - unix_main_t * um = &unix_main; + unix_main_t *um = &unix_main; /* If stdin is a tty and we saved the tty state, reset the tty state */ - if (isatty(UNIX_CLI_STDIN_FD) && um->tio_isset) - tcsetattr(UNIX_CLI_STDIN_FD, TCSAFLUSH, &um->tio_stdin); + if (isatty (UNIX_CLI_STDIN_FD) && um->tio_isset) + tcsetattr (UNIX_CLI_STDIN_FD, TCSAFLUSH, &um->tio_stdin); return 0; } @@ -2467,10 +2498,11 @@ VLIB_MAIN_LOOP_EXIT_FUNCTION (unix_cli_exit); * @note This setting is global; it impacts all current * and future CLI sessions. */ -void vlib_unix_cli_set_prompt (char * prompt) +void +vlib_unix_cli_set_prompt (char *prompt) { - char * fmt = (prompt[strlen(prompt)-1] == ' ') ? "%s" : "%s "; - unix_cli_main_t * cm = &unix_cli_main; + char *fmt = (prompt[strlen (prompt) - 1] == ' ') ? "%s" : "%s "; + unix_cli_main_t *cm = &unix_cli_main; if (cm->cli_prompt) vec_free (cm->cli_prompt); cm->cli_prompt = format (0, fmt, prompt); @@ -2482,10 +2514,9 @@ void vlib_unix_cli_set_prompt (char * prompt) */ static clib_error_t * unix_cli_quit (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, vlib_cli_command_t * cmd) { - unix_cli_main_t * cm = &unix_cli_main; + unix_cli_main_t *cm = &unix_cli_main; vlib_process_signal_event (vm, vlib_current_process (vm), @@ -2494,28 +2525,29 @@ unix_cli_quit (vlib_main_t * vm, return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (unix_cli_quit_command, static) = { .path = "quit", .short_help = "Exit CLI", .function = unix_cli_quit, }; +/* *INDENT-ON* */ /** CLI command to execute a VPP command script. */ static clib_error_t * unix_cli_exec (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, vlib_cli_command_t * cmd) { - char * file_name; + char *file_name; int fd; unformat_input_t sub_input; - clib_error_t * error; + clib_error_t *error; file_name = 0; fd = -1; error = 0; - if (! unformat (input, "%s", &file_name)) + if (!unformat (input, "%s", &file_name)) { error = clib_error_return (0, "expecting file name, got `%U'", format_unformat_error, input); @@ -2538,8 +2570,8 @@ unix_cli_exec (vlib_main_t * vm, error = clib_error_return_unix (0, "failed to stat `%s'", file_name); goto done; } - - if (! (S_ISREG (s.st_mode) || S_ISLNK (s.st_mode))) + + if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode))) { error = clib_error_return (0, "not a regular file `%s'", file_name); goto done; @@ -2551,7 +2583,7 @@ unix_cli_exec (vlib_main_t * vm, vlib_cli_input (vm, &sub_input, 0, 0); unformat_free (&sub_input); - done: +done: if (fd > 0) close (fd); vec_free (file_name); @@ -2559,45 +2591,51 @@ unix_cli_exec (vlib_main_t * vm, return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (cli_exec, static) = { .path = "exec", .short_help = "Execute commands from file", .function = unix_cli_exec, .is_mp_safe = 1, }; +/* *INDENT-ON* */ /** CLI command to show various unix error statistics. */ static clib_error_t * unix_show_errors (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, vlib_cli_command_t * cmd) { - unix_main_t * um = &unix_main; - clib_error_t * error = 0; + unix_main_t *um = &unix_main; + clib_error_t *error = 0; int i, n_errors_to_show; - unix_error_history_t * unix_errors = 0; + unix_error_history_t *unix_errors = 0; n_errors_to_show = 1 << 30; if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { - if (! unformat (input, "%d", &n_errors_to_show)) + if (!unformat (input, "%d", &n_errors_to_show)) { - error = clib_error_return (0, "expecting integer number of errors to show, got `%U'", - format_unformat_error, input); + error = + clib_error_return (0, + "expecting integer number of errors to show, got `%U'", + format_unformat_error, input); goto done; } } - n_errors_to_show = clib_min (ARRAY_LEN (um->error_history), n_errors_to_show); + n_errors_to_show = + clib_min (ARRAY_LEN (um->error_history), n_errors_to_show); - i = um->error_history_index > 0 ? um->error_history_index - 1 : ARRAY_LEN (um->error_history) - 1; + i = + um->error_history_index > + 0 ? um->error_history_index - 1 : ARRAY_LEN (um->error_history) - 1; while (n_errors_to_show > 0) { - unix_error_history_t * eh = um->error_history + i; + unix_error_history_t *eh = um->error_history + i; - if (! eh->error) + if (!eh->error) break; vec_add1 (unix_errors, eh[0]); @@ -2615,7 +2653,7 @@ unix_show_errors (vlib_main_t * vm, vlib_cli_output (vm, "%Ld total errors seen", um->n_total_errors); for (i = vec_len (unix_errors) - 1; i >= 0; i--) { - unix_error_history_t * eh = vec_elt_at_index (unix_errors, i); + unix_error_history_t *eh = vec_elt_at_index (unix_errors, i); vlib_cli_output (vm, "%U: %U", format_time_interval, "h:m:s:u", eh->time, format_clib_error, eh->error); @@ -2624,34 +2662,35 @@ unix_show_errors (vlib_main_t * vm, format_time_interval, "h:m:s:u", vlib_time_now (vm)); } - done: +done: vec_free (unix_errors); return error; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (cli_unix_show_errors, static) = { .path = "show unix-errors", .short_help = "Show Unix system call error history", .function = unix_show_errors, }; +/* *INDENT-ON* */ /** CLI command to show session command history. */ static clib_error_t * unix_cli_show_history (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, vlib_cli_command_t * cmd) { - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; int i, j; cf = pool_elt_at_index (cm->cli_file_pool, cm->current_input_file_index); if (cf->has_history && cf->history_limit) { - i = 1 + cf->command_number - vec_len(cf->command_history); + i = 1 + cf->command_number - vec_len (cf->command_history); for (j = 0; j < vec_len (cf->command_history); j++) - vlib_cli_output (vm, "%d %v\n", i + j, cf->command_history[j]); + vlib_cli_output (vm, "%d %v\n", i + j, cf->command_history[j]); } else { @@ -2661,153 +2700,166 @@ unix_cli_show_history (vlib_main_t * vm, return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (cli_unix_cli_show_history, static) = { .path = "history", .short_help = "Show current session command history", .function = unix_cli_show_history, }; +/* *INDENT-ON* */ /** CLI command to show terminal status. */ static clib_error_t * unix_cli_show_terminal (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, vlib_cli_command_t * cmd) { - unix_main_t * um = &unix_main; - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; - vlib_node_t * n; + unix_main_t *um = &unix_main; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; + vlib_node_t *n; cf = pool_elt_at_index (cm->cli_file_pool, cm->current_input_file_index); n = vlib_get_node (vm, cf->process_node_index); vlib_cli_output (vm, "Terminal name: %v\n", n->name); - vlib_cli_output (vm, "Terminal mode: %s\n", cf->line_mode ? - "line-by-line" : - "char-by-char"); + vlib_cli_output (vm, "Terminal mode: %s\n", cf->line_mode ? + "line-by-line" : "char-by-char"); vlib_cli_output (vm, "Terminal width: %d\n", cf->width); vlib_cli_output (vm, "Terminal height: %d\n", cf->height); - vlib_cli_output (vm, "ANSI capable: %s\n", cf->ansi_capable ? "yes" : "no"); + vlib_cli_output (vm, "ANSI capable: %s\n", + cf->ansi_capable ? "yes" : "no"); vlib_cli_output (vm, "History enabled: %s%s\n", - cf->has_history ? "yes" : "no", - !cf->has_history || cf->history_limit ? "" : " (disabled by history limit)"); + cf->has_history ? "yes" : "no", !cf->has_history + || cf->history_limit ? "" : + " (disabled by history limit)"); if (cf->has_history) vlib_cli_output (vm, "History limit: %d\n", cf->history_limit); vlib_cli_output (vm, "Pager enabled: %s%s%s\n", - cf->no_pager ? "no" : "yes", - cf->no_pager || cf->height ? "" : " (disabled by terminal height)", - cf->no_pager || um->cli_pager_buffer_limit ? "" : " (disabled by buffer limit)"); + cf->no_pager ? "no" : "yes", + cf->no_pager + || cf->height ? "" : " (disabled by terminal height)", + cf->no_pager + || um->cli_pager_buffer_limit ? "" : + " (disabled by buffer limit)"); if (!cf->no_pager) vlib_cli_output (vm, "Pager limit: %d\n", um->cli_pager_buffer_limit); - vlib_cli_output (vm, "CRLF mode: %s\n", cf->crlf_mode ? "CR+LF" : "LF"); + vlib_cli_output (vm, "CRLF mode: %s\n", + cf->crlf_mode ? "CR+LF" : "LF"); return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (cli_unix_cli_show_terminal, static) = { .path = "show terminal", .short_help = "Show current session terminal settings", .function = unix_cli_show_terminal, }; +/* *INDENT-ON* */ /** CLI command to set terminal pager settings. */ static clib_error_t * unix_cli_set_terminal_pager (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - unix_main_t * um = &unix_main; - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; - unformat_input_t _line_input, * line_input = &_line_input; + unix_main_t *um = &unix_main; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; + unformat_input_t _line_input, *line_input = &_line_input; - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; cf = pool_elt_at_index (cm->cli_file_pool, cm->current_input_file_index); while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { - if (unformat (line_input, "on")) - cf->no_pager = 0; - else if (unformat (line_input, "off")) - cf->no_pager = 1; - else if (unformat (line_input, "limit %u", &um->cli_pager_buffer_limit)) - vlib_cli_output (vm, "Pager limit set to %u lines; note, this is global.\n", - um->cli_pager_buffer_limit); - else - return clib_error_return (0, "unknown parameter: `%U`", - format_unformat_error, line_input); - } + if (unformat (line_input, "on")) + cf->no_pager = 0; + else if (unformat (line_input, "off")) + cf->no_pager = 1; + else if (unformat (line_input, "limit %u", &um->cli_pager_buffer_limit)) + vlib_cli_output (vm, + "Pager limit set to %u lines; note, this is global.\n", + um->cli_pager_buffer_limit); + else + return clib_error_return (0, "unknown parameter: `%U`", + format_unformat_error, line_input); + } - unformat_free(line_input); + unformat_free (line_input); return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (cli_unix_cli_set_terminal_pager, static) = { .path = "set terminal pager", .short_help = "set terminal pager [on|off] [limit <lines>]", .function = unix_cli_set_terminal_pager, }; +/* *INDENT-ON* */ /** CLI command to set terminal history settings. */ static clib_error_t * unix_cli_set_terminal_history (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; - unformat_input_t _line_input, * line_input = &_line_input; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; + unformat_input_t _line_input, *line_input = &_line_input; u32 limit; - if (! unformat_user (input, unformat_line_input, line_input)) + if (!unformat_user (input, unformat_line_input, line_input)) return 0; cf = pool_elt_at_index (cm->cli_file_pool, cm->current_input_file_index); while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { - if (unformat (line_input, "on")) - cf->has_history = 1; - else if (unformat (line_input, "off")) - cf->has_history = 0; - else if (unformat (line_input, "limit %u", &cf->history_limit)) - ; - else - return clib_error_return (0, "unknown parameter: `%U`", - format_unformat_error, line_input); - - /* If we reduced history size, or turned it off, purge the history */ - limit = cf->has_history ? cf->history_limit : 0; - - while (cf->command_history && vec_len(cf->command_history) >= limit) - { - vec_free (cf->command_history[0]); - vec_delete (cf->command_history, 1, 0); - } - } + if (unformat (line_input, "on")) + cf->has_history = 1; + else if (unformat (line_input, "off")) + cf->has_history = 0; + else if (unformat (line_input, "limit %u", &cf->history_limit)) + ; + else + return clib_error_return (0, "unknown parameter: `%U`", + format_unformat_error, line_input); + + /* If we reduced history size, or turned it off, purge the history */ + limit = cf->has_history ? cf->history_limit : 0; - unformat_free(line_input); + while (cf->command_history && vec_len (cf->command_history) >= limit) + { + vec_free (cf->command_history[0]); + vec_delete (cf->command_history, 1, 0); + } + } + + unformat_free (line_input); return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (cli_unix_cli_set_terminal_history, static) = { .path = "set terminal history", .short_help = "set terminal history [on|off] [limit <lines>]", .function = unix_cli_set_terminal_history, }; +/* *INDENT-ON* */ /** CLI command to set terminal ANSI settings. */ static clib_error_t * unix_cli_set_terminal_ansi (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, + vlib_cli_command_t * cmd) { - unix_cli_main_t * cm = &unix_cli_main; - unix_cli_file_t * cf; + unix_cli_main_t *cm = &unix_cli_main; + unix_cli_file_t *cf; cf = pool_elt_at_index (cm->cli_file_pool, cm->current_input_file_index); @@ -2817,16 +2869,18 @@ unix_cli_set_terminal_ansi (vlib_main_t * vm, cf->ansi_capable = 0; else return clib_error_return (0, "unknown parameter: `%U`", - format_unformat_error, input); + format_unformat_error, input); return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (cli_unix_cli_set_terminal_ansi, static) = { .path = "set terminal ansi", .short_help = "set terminal ansi [on|off]", .function = unix_cli_set_terminal_ansi, }; +/* *INDENT-ON* */ static clib_error_t * unix_cli_init (vlib_main_t * vm) @@ -2835,3 +2889,11 @@ unix_cli_init (vlib_main_t * vm) } VLIB_INIT_FUNCTION (unix_cli_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |