diff options
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/session/session.h | 12 | ||||
| -rwxr-xr-x | src/vnet/session/session_cli.c | 341 | ||||
| -rw-r--r-- | src/vnet/session/session_types.h | 31 | ||||
| -rw-r--r-- | src/vnet/session/transport.c | 85 | ||||
| -rw-r--r-- | src/vnet/session/transport_types.h | 19 | ||||
| -rw-r--r-- | src/vnet/tcp/tcp.c | 2 |
6 files changed, 345 insertions, 145 deletions
diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h index 04fdebed791..cb0cac7cda6 100644 --- a/src/vnet/session/session.h +++ b/src/vnet/session/session.h @@ -584,6 +584,14 @@ session_main_get_worker (u32 thread_index) return &session_main.wrk[thread_index]; } +static inline session_worker_t * +session_main_get_worker_if_valid (u32 thread_index) +{ + if (pool_is_free_index (session_main.wrk, thread_index)) + return 0; + return &session_main.wrk[thread_index]; +} + always_inline svm_msg_q_t * session_main_get_vpp_event_queue (u32 thread_index) { @@ -598,8 +606,8 @@ session_main_is_enabled () #define session_cli_return_if_not_enabled() \ do { \ - if (!session_main.is_enabled) \ - return clib_error_return(0, "session layer is not enabled"); \ + if (!session_main.is_enabled) \ + return clib_error_return (0, "session layer is not enabled"); \ } while (0) int session_main_flush_enqueue_events (u8 proto, u32 thread_index); diff --git a/src/vnet/session/session_cli.c b/src/vnet/session/session_cli.c index fd598f45d3e..d8aedd64e23 100755 --- a/src/vnet/session/session_cli.c +++ b/src/vnet/session/session_cli.c @@ -162,6 +162,27 @@ unformat_stream_session_id (unformat_input_t * input, va_list * args) } uword +unformat_session_state (unformat_input_t * input, va_list * args) +{ + session_state_t *state = va_arg (*args, session_state_t *); + u8 *state_vec = 0; + int rv = 0; + +#define _(sym, str) \ + if (unformat (input, str)) \ + { \ + *state = SESSION_STATE_ ## sym; \ + rv = 1; \ + goto done; \ + } + foreach_session_state +#undef _ +done: + vec_free (state_vec); + return rv; +} + +uword unformat_session (unformat_input_t * input, va_list * args) { session_t **result = va_arg (*args, session_t **); @@ -227,42 +248,270 @@ unformat_transport_connection (unformat_input_t * input, va_list * args) return 0; } +static void +session_cli_show_all_sessions (vlib_main_t * vm, int verbose) +{ + session_main_t *smm = &session_main; + u32 n_closed = 0, thread_index; + session_t *pool, *s; + + for (thread_index = 0; thread_index < vec_len (smm->wrk); thread_index++) + { + pool = smm->wrk[thread_index].sessions; + + if (!pool_elts (pool)) + { + vlib_cli_output (vm, "Thread %d: no sessions", thread_index); + continue; + } + + if (!verbose) + { + vlib_cli_output (vm, "Thread %d: %d sessions", thread_index, + pool_elts (pool)); + continue; + } + + if (pool_elts (pool) > 50) + { + vlib_cli_output (vm, "Thread %u: %d sessions. Verbose output " + "suppressed. For more details use filters.", + thread_index, pool_elts (pool)); + continue; + } + + if (verbose == 1) + vlib_cli_output (vm, "%s%-50s%-15s%-10s%-10s", + thread_index ? "\n" : "", + "Connection", "State", "Rx-f", "Tx-f"); + + /* *INDENT-OFF* */ + pool_foreach(s, pool, ({ + if (s->session_state >= SESSION_STATE_TRANSPORT_DELETED) + { + n_closed += 1; + continue; + } + vlib_cli_output (vm, "%U", format_session, s, verbose); + })); + /* *INDENT-ON* */ + + if (!n_closed) + vlib_cli_output (vm, "Thread %d: active sessions %u", thread_index, + pool_elts (pool) - n_closed); + else + vlib_cli_output (vm, "Thread %d: active sessions %u closed %u", + thread_index, pool_elts (pool) - n_closed, n_closed); + } +} + +static int +session_cli_filter_check (session_t * s, session_state_t * states, + transport_proto_t tp) +{ + if (states) + { + session_state_t *state; + vec_foreach (state, states) if (s->session_state == *state) + goto check_transport; + return 0; + } + +check_transport: + + if (tp != TRANSPORT_N_PROTO && session_get_transport_proto (s) != tp) + return 0; + + return 1; +} + +static void +session_cli_show_session_filter (vlib_main_t * vm, u32 thread_index, + u32 start, u32 end, session_state_t * states, + transport_proto_t tp, int verbose) +{ + u8 output_suppressed = 0; + session_worker_t *wrk; + session_t *pool, *s; + u32 count = 0, max_index; + int i; + + wrk = session_main_get_worker_if_valid (thread_index); + if (!wrk) + { + vlib_cli_output (vm, "invalid thread index %u", thread_index); + return; + } + + pool = wrk->sessions; + + if (tp == TRANSPORT_N_PROTO && states == 0 && !verbose + && (start == 0 && end == ~0)) + { + vlib_cli_output (vm, "Thread %d: %u sessions", thread_index, + pool_elts (pool)); + return; + } + + max_index = pool_elts (pool) ? pool_elts (pool) - 1 : 0; + for (i = start; i <= clib_min (end, max_index); i++) + { + if (pool_is_free_index (pool, i)) + continue; + + s = pool_elt_at_index (pool, i); + + if (session_cli_filter_check (s, states, tp)) + { + count += 1; + if (verbose) + { + if (count > 50 || (verbose > 1 && count > 10)) + { + output_suppressed = 1; + continue; + } + if (s->session_state < SESSION_STATE_TRANSPORT_DELETED) + vlib_cli_output (vm, "%U", format_session, s, verbose); + } + } + } + + if (!output_suppressed) + vlib_cli_output (vm, "Thread %d: %u sessions matched filter", + thread_index, count); + else + vlib_cli_output (vm, "Thread %d: %u sessions matched filter. Not all" + " shown. Use finer grained filter.", thread_index, + count); +} + +static void +session_cli_print_transport_protos (vlib_main_t * vm) +{ +#define _(sym, str, sstr) vlib_cli_output (vm, str); + foreach_transport_proto +#undef _ +} + +static void +session_cli_print_session_states (vlib_main_t * vm) +{ +#define _(sym, str) vlib_cli_output (vm, str); + foreach_session_state +#undef _ +} + static clib_error_t * show_session_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { - u8 one_session = 0, do_listeners = 0, sst, do_elog = 0; + u8 one_session = 0, do_listeners = 0, sst, do_elog = 0, do_filter = 0; + u32 track_index, thread_index = 0, start = 0, end = ~0, session_index; + unformat_input_t _line_input, *line_input = &_line_input; + transport_proto_t transport_proto = TRANSPORT_N_PROTO; + session_state_t state = SESSION_N_STATES, *states = 0; session_main_t *smm = &session_main; - u32 transport_proto = ~0, track_index; - session_t *pool, *s; - transport_connection_t *tc; + clib_error_t *error = 0; app_worker_t *app_wrk; - int verbose = 0, i; + u32 transport_index; const u8 *app_name; + int verbose = 0; + session_t *s; - if (!smm->is_enabled) + session_cli_return_if_not_enabled (); + + if (!unformat_user (input, unformat_line_input, line_input)) { - return clib_error_return (0, "session layer is not enabled"); + session_cli_show_all_sessions (vm, 0); + return 0; } - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "verbose %d", &verbose)) + if (unformat (line_input, "verbose %d", &verbose)) ; - else if (unformat (input, "verbose")) + else if (unformat (line_input, "verbose")) verbose = 1; - else if (unformat (input, "listeners %U", unformat_transport_proto, + else if (unformat (line_input, "listeners %U", unformat_transport_proto, &transport_proto)) do_listeners = 1; - else if (unformat (input, "%U", unformat_session, &s)) + else if (unformat (line_input, "%U", unformat_session, &s)) { one_session = 1; } - else if (unformat (input, "elog")) + else if (unformat (line_input, "thread %u index %u", &thread_index, + &session_index)) + { + s = session_get_if_valid (session_index, thread_index); + if (!s) + { + vlib_cli_output (vm, "session is not allocated"); + goto done; + } + one_session = 1; + } + else if (unformat (line_input, "thread %u", &thread_index)) + { + do_filter = 1; + } + else + if (unformat (line_input, "state %U", unformat_session_state, &state)) + { + vec_add1 (states, state); + do_filter = 1; + } + else if (unformat (line_input, "proto %U index %u", + unformat_transport_proto, &transport_proto, + &transport_index)) + { + transport_connection_t *tc; + tc = transport_get_connection (transport_proto, transport_index, + thread_index); + if (!tc) + { + vlib_cli_output (vm, "transport connection %u thread %u is not" + " allocated", transport_index, thread_index); + goto done; + } + s = session_get_if_valid (tc->s_index, thread_index); + if (!s) + { + vlib_cli_output (vm, "session for transport connection %u " + "thread %u does not exist", transport_index, + thread_index); + goto done; + } + one_session = 1; + } + else if (unformat (line_input, "proto %U", unformat_transport_proto, + &transport_proto)) + do_filter = 1; + else if (unformat (line_input, "range %u %u", &start, &end)) + do_filter = 1; + else if (unformat (line_input, "range %u", &start)) + { + end = start + 50; + do_filter = 1; + } + else if (unformat (line_input, "elog")) do_elog = 1; + else if (unformat (line_input, "protos")) + { + session_cli_print_transport_protos (vm); + goto done; + } + else if (unformat (line_input, "states")) + { + session_cli_print_session_states (vm); + goto done; + } else - return clib_error_return (0, "unknown input `%U'", - format_unformat_error, input); + { + error = clib_error_return (0, "unknown input `%U'", + format_unformat_error, line_input); + goto done; + } } if (one_session) @@ -271,6 +520,7 @@ show_session_command_fn (vlib_main_t * vm, unformat_input_t * input, if (do_elog && s->session_state != SESSION_STATE_LISTENING) { elog_main_t *em = &vm->elog_main; + transport_connection_t *tc; f64 dt; tc = session_get_transport (s); @@ -283,7 +533,7 @@ show_session_command_fn (vlib_main_t * vm, unformat_input_t * input, } vlib_cli_output (vm, "%v", str); vec_free (str); - return 0; + goto done; } if (do_listeners) @@ -301,53 +551,28 @@ show_session_command_fn (vlib_main_t * vm, unformat_input_t * input, app_name); })); /* *INDENT-ON* */ - return 0; + goto done; } - for (i = 0; i < vec_len (smm->wrk); i++) + if (do_filter) { - u32 once_per_pool = 1, n_closed = 0; - - pool = smm->wrk[i].sessions; - if (!pool_elts (pool)) - { - vlib_cli_output (vm, "Thread %d: no sessions", i); - continue; - } - - if (!verbose) - { - vlib_cli_output (vm, "Thread %d: %d sessions", i, pool_elts (pool)); - continue; - } - - if (once_per_pool && verbose == 1) + if (end < start) { - vlib_cli_output (vm, "%s%-50s%-15s%-10s%-10s", i ? "\n" : "", - "Connection", "State", "Rx-f", "Tx-f"); - once_per_pool = 0; + error = clib_error_return (0, "invalid range start: %u end: %u", + start, end); + goto done; } - - /* *INDENT-OFF* */ - pool_foreach (s, pool, ({ - if (s->session_state >= SESSION_STATE_TRANSPORT_DELETED) - { - n_closed += 1; - continue; - } - vlib_cli_output (vm, "%U", format_session, s, verbose); - })); - /* *INDENT-ON* */ - - if (!n_closed) - vlib_cli_output (vm, "Thread %d: active sessions %u", i, - pool_elts (pool) - n_closed); - else - vlib_cli_output (vm, "Thread %d: active sessions %u closed %u", i, - pool_elts (pool) - n_closed, n_closed); + session_cli_show_session_filter (vm, thread_index, start, end, states, + transport_proto, verbose); + goto done; } - return 0; + session_cli_show_all_sessions (vm, verbose); + +done: + unformat_free (line_input); + vec_free (states); + return error; } /* *INDENT-OFF* */ @@ -355,7 +580,9 @@ VLIB_CLI_COMMAND (vlib_cli_show_session_command) = { .path = "show session", .short_help = "show session [verbose [n]] [listeners <proto>] " - "[<session-id> [elog]]", + "[<session-id> [elog]] [thread <n> [index <n>] " + "[proto <proto>] [state <state>] [range <min> [<max>]] " + "[protos] [states] ", .function = show_session_command_fn, }; /* *INDENT-ON* */ diff --git a/src/vnet/session/session_types.h b/src/vnet/session/session_types.h index 52a79e3beb5..bf45855e264 100644 --- a/src/vnet/session/session_types.h +++ b/src/vnet/session/session_types.h @@ -121,21 +121,26 @@ typedef enum /* * Session states */ +#define foreach_session_state \ + _(CREATED, "created") \ + _(LISTENING, "listening") \ + _(CONNECTING, "connecting") \ + _(ACCEPTING, "accepting") \ + _(READY, "ready") \ + _(OPENED, "opened") \ + _(TRANSPORT_CLOSING, "transport-closing") \ + _(CLOSING, "closing") \ + _(APP_CLOSED, "app-closed") \ + _(TRANSPORT_CLOSED, "transport-closed") \ + _(TRANSPORT_DELETED, "transport-deleted") \ + _(CLOSED, "closed") \ + typedef enum { - SESSION_STATE_CREATED, - SESSION_STATE_LISTENING, - SESSION_STATE_CONNECTING, - SESSION_STATE_ACCEPTING, - SESSION_STATE_READY, - SESSION_STATE_OPENED, - SESSION_STATE_TRANSPORT_CLOSING, - SESSION_STATE_CLOSING, - SESSION_STATE_APP_CLOSED, - SESSION_STATE_TRANSPORT_CLOSED, - SESSION_STATE_TRANSPORT_DELETED, - SESSION_STATE_CLOSED, - SESSION_STATE_N_STATES, +#define _(sym, str) SESSION_STATE_ ## sym, + foreach_session_state +#undef _ + SESSION_N_STATES, } session_state_t; typedef enum session_flags_ diff --git a/src/vnet/session/transport.c b/src/vnet/session/transport.c index aa8deac5400..c1c908eae1a 100644 --- a/src/vnet/session/transport.c +++ b/src/vnet/session/transport.c @@ -57,27 +57,12 @@ format_transport_proto (u8 * s, va_list * args) u32 transport_proto = va_arg (*args, u32); switch (transport_proto) { - case TRANSPORT_PROTO_TCP: - s = format (s, "TCP"); - break; - case TRANSPORT_PROTO_UDP: - s = format (s, "UDP"); - break; - case TRANSPORT_PROTO_SCTP: - s = format (s, "SCTP"); - break; - case TRANSPORT_PROTO_NONE: - s = format (s, "NONE"); - break; - case TRANSPORT_PROTO_TLS: - s = format (s, "TLS"); - break; - case TRANSPORT_PROTO_UDPC: - s = format (s, "UDPC"); - break; - case TRANSPORT_PROTO_QUIC: - s = format (s, "QUIC"); +#define _(sym, str, sstr) \ + case TRANSPORT_PROTO_ ## sym: \ + s = format (s, str); \ break; + foreach_transport_proto +#undef _ default: s = format (s, "UNKNOWN"); break; @@ -91,27 +76,12 @@ format_transport_proto_short (u8 * s, va_list * args) u32 transport_proto = va_arg (*args, u32); switch (transport_proto) { - case TRANSPORT_PROTO_TCP: - s = format (s, "T"); - break; - case TRANSPORT_PROTO_UDP: - s = format (s, "U"); - break; - case TRANSPORT_PROTO_SCTP: - s = format (s, "S"); - break; - case TRANSPORT_PROTO_NONE: - s = format (s, "N"); - break; - case TRANSPORT_PROTO_TLS: - s = format (s, "J"); - break; - case TRANSPORT_PROTO_UDPC: - s = format (s, "U"); - break; - case TRANSPORT_PROTO_QUIC: - s = format (s, "Q"); +#define _(sym, str, sstr) \ + case TRANSPORT_PROTO_ ## sym: \ + s = format (s, sstr); \ break; + foreach_transport_proto +#undef _ default: s = format (s, "?"); break; @@ -179,33 +149,16 @@ uword unformat_transport_proto (unformat_input_t * input, va_list * args) { u32 *proto = va_arg (*args, u32 *); - if (unformat (input, "tcp")) - *proto = TRANSPORT_PROTO_TCP; - else if (unformat (input, "TCP")) - *proto = TRANSPORT_PROTO_TCP; - else if (unformat (input, "udpc")) - *proto = TRANSPORT_PROTO_UDPC; - else if (unformat (input, "UDPC")) - *proto = TRANSPORT_PROTO_UDPC; - else if (unformat (input, "udp")) - *proto = TRANSPORT_PROTO_UDP; - else if (unformat (input, "UDP")) - *proto = TRANSPORT_PROTO_UDP; - else if (unformat (input, "sctp")) - *proto = TRANSPORT_PROTO_SCTP; - else if (unformat (input, "SCTP")) - *proto = TRANSPORT_PROTO_SCTP; - else if (unformat (input, "tls")) - *proto = TRANSPORT_PROTO_TLS; - else if (unformat (input, "TLS")) - *proto = TRANSPORT_PROTO_TLS; - else if (unformat (input, "quic")) - *proto = TRANSPORT_PROTO_QUIC; - else if (unformat (input, "QUIC")) - *proto = TRANSPORT_PROTO_QUIC; - else + +#define _(sym, str, sstr) \ + if (unformat (input, str)) \ + { \ + *proto = TRANSPORT_PROTO_ ## sym; \ + return 1; \ + } + foreach_transport_proto +#undef _ return 0; - return 1; } u32 diff --git a/src/vnet/session/transport_types.h b/src/vnet/session/transport_types.h index 41897c6d170..ac2177c77b0 100644 --- a/src/vnet/session/transport_types.h +++ b/src/vnet/session/transport_types.h @@ -139,15 +139,20 @@ STATIC_ASSERT (STRUCT_OFFSET_OF (transport_connection_t, s_index) STATIC_ASSERT (sizeof (transport_connection_t) <= 128, "moved into 3rd cache line"); +#define foreach_transport_proto \ + _(TCP, "tcp", "T") \ + _(UDP, "udp", "U") \ + _(SCTP, "sctp", "S") \ + _(NONE, "ct", "C") \ + _(TLS, "tls", "J") \ + _(UDPC, "udpc", "U") \ + _(QUIC, "quic", "Q") \ + typedef enum _transport_proto { - TRANSPORT_PROTO_TCP, - TRANSPORT_PROTO_UDP, - TRANSPORT_PROTO_SCTP, - TRANSPORT_PROTO_NONE, - TRANSPORT_PROTO_TLS, - TRANSPORT_PROTO_UDPC, - TRANSPORT_PROTO_QUIC, +#define _(sym, str, sstr) TRANSPORT_PROTO_ ## sym, + foreach_transport_proto +#undef _ TRANSPORT_N_PROTO } transport_proto_t; diff --git a/src/vnet/tcp/tcp.c b/src/vnet/tcp/tcp.c index d060654a037..5090b7dd2d7 100644 --- a/src/vnet/tcp/tcp.c +++ b/src/vnet/tcp/tcp.c @@ -1165,6 +1165,8 @@ static transport_connection_t * tcp_session_get_transport (u32 conn_index, u32 thread_index) { tcp_connection_t *tc = tcp_connection_get (conn_index, thread_index); + if (PREDICT_FALSE (!tc)) + return 0; return &tc->connection; } |