diff options
Diffstat (limited to 'vlib-api/vlibapi/api_shared.c')
| -rw-r--r-- | vlib-api/vlibapi/api_shared.c | 1758 |
1 files changed, 956 insertions, 802 deletions
diff --git a/vlib-api/vlibapi/api_shared.c b/vlib-api/vlibapi/api_shared.c index 0600e621..18b189e1 100644 --- a/vlib-api/vlibapi/api_shared.c +++ b/vlib-api/vlibapi/api_shared.c @@ -1,8 +1,8 @@ -/* +/* *------------------------------------------------------------------ * api_shared.c - API message handling, common code for both clients * and the vlib process itself. - * + * * * Copyright (c) 2009 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); @@ -37,349 +37,394 @@ api_main_t api_main; -void vl_msg_api_barrier_sync(void) __attribute__((weak)); -void vl_msg_api_barrier_sync(void) { } +void vl_msg_api_barrier_sync (void) __attribute__ ((weak)); +void +vl_msg_api_barrier_sync (void) +{ +} -void vl_msg_api_barrier_release(void) __attribute__((weak)); -void vl_msg_api_barrier_release(void) { } +void vl_msg_api_barrier_release (void) __attribute__ ((weak)); +void +vl_msg_api_barrier_release (void) +{ +} -void vl_msg_api_increment_missing_client_counter(void) +void +vl_msg_api_increment_missing_client_counter (void) { - api_main_t * am = &api_main; - am->missing_clients++; + api_main_t *am = &api_main; + am->missing_clients++; } -typedef enum { - DUMP, - CUSTOM_DUMP, - REPLAY, - INITIALIZERS, +typedef enum +{ + DUMP, + CUSTOM_DUMP, + REPLAY, + INITIALIZERS, } vl_api_replay_t; -int vl_msg_api_rx_trace_enabled(api_main_t *am) +int +vl_msg_api_rx_trace_enabled (api_main_t * am) { - return (am->rx_trace && am->rx_trace->enabled); + return (am->rx_trace && am->rx_trace->enabled); } -int vl_msg_api_tx_trace_enabled(api_main_t *am) +int +vl_msg_api_tx_trace_enabled (api_main_t * am) { - return (am->tx_trace && am->tx_trace->enabled); + return (am->tx_trace && am->tx_trace->enabled); } /* * vl_msg_api_trace */ -void vl_msg_api_trace(api_main_t *am, vl_api_trace_t *tp, void *msg) +void +vl_msg_api_trace (api_main_t * am, vl_api_trace_t * tp, void *msg) { - u8 **this_trace; - u8 **old_trace; - u8 *msg_copy; - trace_cfg_t *cfgp; - u16 msg_id = ntohs(*((u16 *)msg)); + u8 **this_trace; + u8 **old_trace; + u8 *msg_copy; + trace_cfg_t *cfgp; + u16 msg_id = ntohs (*((u16 *) msg)); - cfgp = am->api_trace_cfg + msg_id; + cfgp = am->api_trace_cfg + msg_id; - if (!cfgp || !cfgp->trace_enable) - return; + if (!cfgp || !cfgp->trace_enable) + return; - msg_copy = 0; + msg_copy = 0; - if (tp->nitems == 0) { - clib_warning ("tp->nitems is 0"); - return; + if (tp->nitems == 0) + { + clib_warning ("tp->nitems is 0"); + return; } - if (vec_len(tp->traces) < tp->nitems) { - vec_add1(tp->traces, 0); - this_trace = tp->traces + vec_len(tp->traces) - 1; - } else { - tp->wrapped = 1; - old_trace = tp->traces + tp->curindex++; - if (tp->curindex == tp->nitems) - tp->curindex = 0; - vec_free(*old_trace); - this_trace = old_trace; + if (vec_len (tp->traces) < tp->nitems) + { + vec_add1 (tp->traces, 0); + this_trace = tp->traces + vec_len (tp->traces) - 1; + } + else + { + tp->wrapped = 1; + old_trace = tp->traces + tp->curindex++; + if (tp->curindex == tp->nitems) + tp->curindex = 0; + vec_free (*old_trace); + this_trace = old_trace; } - vec_validate(msg_copy, cfgp->size - 1); - clib_memcpy(msg_copy, msg, cfgp->size); - *this_trace = msg_copy; + vec_validate (msg_copy, cfgp->size - 1); + clib_memcpy (msg_copy, msg, cfgp->size); + *this_trace = msg_copy; } -int vl_msg_api_trace_onoff(api_main_t *am, vl_api_trace_which_t which, - int onoff) +int +vl_msg_api_trace_onoff (api_main_t * am, vl_api_trace_which_t which, + int onoff) { - vl_api_trace_t *tp; - int rv; + vl_api_trace_t *tp; + int rv; - switch(which) + switch (which) { case VL_API_TRACE_TX: - tp = am->tx_trace; - if (tp == 0) { - vl_msg_api_trace_configure (am, which, 1024); - tp = am->tx_trace; - } - break; - + tp = am->tx_trace; + if (tp == 0) + { + vl_msg_api_trace_configure (am, which, 1024); + tp = am->tx_trace; + } + break; + case VL_API_TRACE_RX: - tp = am->rx_trace; - if (tp == 0) { - vl_msg_api_trace_configure (am, which, 1024); - tp = am->rx_trace; - } - break; - + tp = am->rx_trace; + if (tp == 0) + { + vl_msg_api_trace_configure (am, which, 1024); + tp = am->rx_trace; + } + break; + default: - /* duh? */ - return -1; + /* duh? */ + return -1; } - /* Configured? */ - if (tp == 0 || tp->nitems == 0) - return -1; + /* Configured? */ + if (tp == 0 || tp->nitems == 0) + return -1; - rv = tp->enabled; - tp->enabled = onoff; + rv = tp->enabled; + tp->enabled = onoff; - return rv; + return rv; } -int vl_msg_api_trace_free(api_main_t *am, vl_api_trace_which_t which) +int +vl_msg_api_trace_free (api_main_t * am, vl_api_trace_which_t which) { - vl_api_trace_t *tp; - int i; + vl_api_trace_t *tp; + int i; - switch(which) + switch (which) { case VL_API_TRACE_TX: - tp = am->tx_trace; - break; - + tp = am->tx_trace; + break; + case VL_API_TRACE_RX: - tp = am->rx_trace; - break; - + tp = am->rx_trace; + break; + default: - /* duh? */ - return -1; + /* duh? */ + return -1; } - /* Configured? */ - if (!tp || tp->nitems == 0) - return -1; + /* Configured? */ + if (!tp || tp->nitems == 0) + return -1; - tp->curindex = 0; - tp->wrapped = 0; + tp->curindex = 0; + tp->wrapped = 0; - for (i = 0; i < vec_len(tp->traces); i++) { - vec_free(tp->traces[i]); + for (i = 0; i < vec_len (tp->traces); i++) + { + vec_free (tp->traces[i]); } - vec_free(tp->traces); + vec_free (tp->traces); - return 0; + return 0; } -int vl_msg_api_trace_save(api_main_t *am, - vl_api_trace_which_t which, FILE *fp) +int +vl_msg_api_trace_save (api_main_t * am, vl_api_trace_which_t which, FILE * fp) { - vl_api_trace_t *tp; - vl_api_trace_file_header_t fh; - int i; - u8 *msg; + vl_api_trace_t *tp; + vl_api_trace_file_header_t fh; + int i; + u8 *msg; - switch(which) + switch (which) { case VL_API_TRACE_TX: - tp = am->tx_trace; - break; - + tp = am->tx_trace; + break; + case VL_API_TRACE_RX: - tp = am->rx_trace; - break; - + tp = am->rx_trace; + break; + default: - /* duh? */ - return -1; + /* duh? */ + return -1; } - /* Configured, data present? */ - if (tp == 0 || tp->nitems == 0 || vec_len(tp->traces) == 0) - return -1; + /* Configured, data present? */ + if (tp == 0 || tp->nitems == 0 || vec_len (tp->traces) == 0) + return -1; - /* "Dare to be stupid" check */ - if (fp == 0) { - return -2; + /* "Dare to be stupid" check */ + if (fp == 0) + { + return -2; } - /* Write the file header */ - fh.nitems = vec_len(tp->traces); - fh.endian = tp->endian; - fh.wrapped = tp->wrapped; + /* Write the file header */ + fh.nitems = vec_len (tp->traces); + fh.endian = tp->endian; + fh.wrapped = tp->wrapped; - if (fwrite(&fh, sizeof(fh), 1, fp) != 1) { - return (-10); + if (fwrite (&fh, sizeof (fh), 1, fp) != 1) + { + return (-10); } - /* No-wrap case */ - if (tp->wrapped == 0) { - /* - * Note: vec_len return 0 when fed a NULL pointer. - * Unfortunately, the static analysis tool doesn't - * figure it out, hence the suppressed warnings. - * What a great use of my time. - */ - for (i = 0; i < vec_len(tp->traces); i++) { - /*sa_ignore NO_NULL_CHK*/ - msg = tp->traces[i]; - /* - * This retarded check required to pass - * [sic] SA-checking. - */ - if (!msg) - continue; - if (fwrite(msg, 1, vec_len(msg), fp) != vec_len(msg)) { - return (-11); - } - } - } else { - /* Wrap case: write oldest -> end of buffer */ - for (i = tp->curindex; i < vec_len(tp->traces); i++) { - msg = tp->traces[i]; - /* - * This retarded check required to pass - * [sic] SA-checking - */ - if (!msg) - continue; - - if (fwrite(msg, 1, vec_len(msg), fp) != vec_len(msg)) { - return (-12); - } - } - /* write beginning of buffer -> oldest-1 */ - for (i = 0; i < tp->curindex; i++) { - /*sa_ignore NO_NULL_CHK*/ - msg = tp->traces[i]; - /* - * This retarded check required to pass - * [sic] SA-checking - */ - if (!msg) - continue; - - if (fwrite(msg, 1, vec_len(msg), fp) != vec_len(msg)) { - return (-13); - } - } + /* No-wrap case */ + if (tp->wrapped == 0) + { + /* + * Note: vec_len return 0 when fed a NULL pointer. + * Unfortunately, the static analysis tool doesn't + * figure it out, hence the suppressed warnings. + * What a great use of my time. + */ + for (i = 0; i < vec_len (tp->traces); i++) + { + /*sa_ignore NO_NULL_CHK */ + msg = tp->traces[i]; + /* + * This retarded check required to pass + * [sic] SA-checking. + */ + if (!msg) + continue; + if (fwrite (msg, 1, vec_len (msg), fp) != vec_len (msg)) + { + return (-11); + } + } } - return 0; + else + { + /* Wrap case: write oldest -> end of buffer */ + for (i = tp->curindex; i < vec_len (tp->traces); i++) + { + msg = tp->traces[i]; + /* + * This retarded check required to pass + * [sic] SA-checking + */ + if (!msg) + continue; + + if (fwrite (msg, 1, vec_len (msg), fp) != vec_len (msg)) + { + return (-12); + } + } + /* write beginning of buffer -> oldest-1 */ + for (i = 0; i < tp->curindex; i++) + { + /*sa_ignore NO_NULL_CHK */ + msg = tp->traces[i]; + /* + * This retarded check required to pass + * [sic] SA-checking + */ + if (!msg) + continue; + + if (fwrite (msg, 1, vec_len (msg), fp) != vec_len (msg)) + { + return (-13); + } + } + } + return 0; } -int vl_msg_api_trace_configure(api_main_t *am, vl_api_trace_which_t which, - u32 nitems) +int +vl_msg_api_trace_configure (api_main_t * am, vl_api_trace_which_t which, + u32 nitems) { - vl_api_trace_t *tp; - int was_on = 0; + vl_api_trace_t *tp; + int was_on = 0; - switch(which) + switch (which) { case VL_API_TRACE_TX: - tp = am->tx_trace; - if (tp == 0) { - vec_validate(am->tx_trace, 0); - tp = am->tx_trace; - } - break; - + tp = am->tx_trace; + if (tp == 0) + { + vec_validate (am->tx_trace, 0); + tp = am->tx_trace; + } + break; + case VL_API_TRACE_RX: - tp = am->rx_trace; - if (tp == 0) { - vec_validate(am->rx_trace, 0); - tp = am->rx_trace; - } + tp = am->rx_trace; + if (tp == 0) + { + vec_validate (am->rx_trace, 0); + tp = am->rx_trace; + } - break; + break; default: - return -1; + return -1; } - if (tp->enabled) { - was_on = vl_msg_api_trace_onoff(am, which, 0); + if (tp->enabled) + { + was_on = vl_msg_api_trace_onoff (am, which, 0); } - if (tp->traces) { - vl_msg_api_trace_free(am, which); + if (tp->traces) + { + vl_msg_api_trace_free (am, which); } - memset(tp, 0, sizeof(*tp)); + memset (tp, 0, sizeof (*tp)); - if (clib_arch_is_big_endian) { - tp->endian = VL_API_BIG_ENDIAN; - } else { - tp->endian = VL_API_LITTLE_ENDIAN; + if (clib_arch_is_big_endian) + { + tp->endian = VL_API_BIG_ENDIAN; + } + else + { + tp->endian = VL_API_LITTLE_ENDIAN; } - tp->nitems = nitems; - if (was_on) { - (void)vl_msg_api_trace_onoff(am, which, was_on); + tp->nitems = nitems; + if (was_on) + { + (void) vl_msg_api_trace_onoff (am, which, was_on); } - return 0; + return 0; } -always_inline void msg_handler_internal (api_main_t *am, - void *the_msg, - int trace_it, - int do_it, - int free_it) +always_inline void +msg_handler_internal (api_main_t * am, + void *the_msg, int trace_it, int do_it, int free_it) { - u16 id = ntohs(*((u16 *)the_msg)); - u8 *(*print_fp)(void *, void *); - - if (id < vec_len(am->msg_handlers) && - am->msg_handlers[id]) { - if (trace_it) - vl_msg_api_trace(am, am->rx_trace, the_msg); - - if (am->msg_print_flag) { - fformat (stdout, "[%d]: %s\n", id, - am->msg_names[id]); - print_fp = (void *)am->msg_print_handlers[id]; - if (print_fp == 0) { - fformat(stdout, " [no registered print fn]\n"); - } else { - (*print_fp)(the_msg, stdout); - } - } - - if (do_it) { - if (!am->is_mp_safe[id]) - vl_msg_api_barrier_sync(); - (*am->msg_handlers[id])(the_msg); - if (!am->is_mp_safe[id]) - vl_msg_api_barrier_release(); - } - } else { - clib_warning("no handler for msg id %d", id); + u16 id = ntohs (*((u16 *) the_msg)); + u8 *(*print_fp) (void *, void *); + + if (id < vec_len (am->msg_handlers) && am->msg_handlers[id]) + { + if (trace_it) + vl_msg_api_trace (am, am->rx_trace, the_msg); + + if (am->msg_print_flag) + { + fformat (stdout, "[%d]: %s\n", id, am->msg_names[id]); + print_fp = (void *) am->msg_print_handlers[id]; + if (print_fp == 0) + { + fformat (stdout, " [no registered print fn]\n"); + } + else + { + (*print_fp) (the_msg, stdout); + } + } + + if (do_it) + { + if (!am->is_mp_safe[id]) + vl_msg_api_barrier_sync (); + (*am->msg_handlers[id]) (the_msg); + if (!am->is_mp_safe[id]) + vl_msg_api_barrier_release (); + } + } + else + { + clib_warning ("no handler for msg id %d", id); } - if (free_it) - vl_msg_api_free(the_msg); + if (free_it) + vl_msg_api_free (the_msg); } /* set to 1 if you want before/after message handler event logging */ #define ELOG_API_MESSAGE_HANDLERS 0 #if ELOG_API_MESSAGE_HANDLERS > 0 -static u32 elog_id_for_msg_name (vlib_main_t * vm, char *msg_name) +static u32 +elog_id_for_msg_name (vlib_main_t * vm, char *msg_name) { - uword * p, r; - static uword * h; + uword *p, r; + static uword *h; u8 *name_copy; - if (! h) - h = hash_create_string (0, sizeof (uword)); + if (!h) + h = hash_create_string (0, sizeof (uword)); p = hash_get_mem (h, msg_name); if (p) @@ -395,155 +440,181 @@ static u32 elog_id_for_msg_name (vlib_main_t * vm, char *msg_name) #endif /* This is only to be called from a vlib/vnet app */ -void vl_msg_api_handler_with_vm_node (api_main_t *am, - void *the_msg, vlib_main_t *vm, - vlib_node_runtime_t *node) +void +vl_msg_api_handler_with_vm_node (api_main_t * am, + void *the_msg, vlib_main_t * vm, + vlib_node_runtime_t * node) { - u16 id = ntohs(*((u16 *)the_msg)); - u8 *(*handler)(void *, void *, void *); - + u16 id = ntohs (*((u16 *) the_msg)); + u8 *(*handler) (void *, void *, void *); + #if ELOG_API_MESSAGE_HANDLERS > 0 - { - ELOG_TYPE_DECLARE (e) = { + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = + { .format = "api-msg: %s", .format_args = "T4", }; - struct { u32 c; } * ed; - ed = ELOG_DATA (&vm->elog_main, e); - if (id < vec_len (am->msg_names)) - ed->c = elog_id_for_msg_name (vm, am->msg_names[id]); - else - ed->c = elog_id_for_msg_name (vm, "BOGUS"); - } -#endif - - if (id < vec_len(am->msg_handlers) && - am->msg_handlers[id]) { - handler = (void *)am->msg_handlers[id]; - - if (am->rx_trace && am->rx_trace->enabled) - vl_msg_api_trace(am, am->rx_trace, the_msg); - - if (!am->is_mp_safe[id]) - vl_msg_api_barrier_sync(); - (*handler)(the_msg, vm, node); - if (!am->is_mp_safe[id]) - vl_msg_api_barrier_release(); - } else { - clib_warning("no hander for msg id %d", id); + /* *INDENT-ON* */ + struct + { + u32 c; + } *ed; + ed = ELOG_DATA (&vm->elog_main, e); + if (id < vec_len (am->msg_names)) + ed->c = elog_id_for_msg_name (vm, am->msg_names[id]); + else + ed->c = elog_id_for_msg_name (vm, "BOGUS"); } - /* +#endif + + if (id < vec_len (am->msg_handlers) && am->msg_handlers[id]) + { + handler = (void *) am->msg_handlers[id]; + + if (am->rx_trace && am->rx_trace->enabled) + vl_msg_api_trace (am, am->rx_trace, the_msg); + + if (!am->is_mp_safe[id]) + vl_msg_api_barrier_sync (); + (*handler) (the_msg, vm, node); + if (!am->is_mp_safe[id]) + vl_msg_api_barrier_release (); + } + else + { + clib_warning ("no hander for msg id %d", id); + } + + /* * Special-case, so we can e.g. bounce messages off the vnet * main thread without copying them... */ if (!(am->message_bounce[id])) - vl_msg_api_free(the_msg); + vl_msg_api_free (the_msg); #if ELOG_API_MESSAGE_HANDLERS > 0 + { + /* *INDENT-OFF* */ + ELOG_TYPE_DECLARE (e) = { + .format = "api-msg-done: %s", + .format_args = "T4", + }; + /* *INDENT-ON* */ + + struct { - ELOG_TYPE_DECLARE (e) = { - .format = "api-msg-done: %s", - .format_args = "T4", - }; - struct { u32 c; } * ed; - ed = ELOG_DATA (&vm->elog_main, e); - if (id < vec_len (am->msg_names)) - ed->c = elog_id_for_msg_name (vm, am->msg_names[id]); - else - ed->c = elog_id_for_msg_name (vm, "BOGUS"); - } + u32 c; + } *ed; + ed = ELOG_DATA (&vm->elog_main, e); + if (id < vec_len (am->msg_names)) + ed->c = elog_id_for_msg_name (vm, am->msg_names[id]); + else + ed->c = elog_id_for_msg_name (vm, "BOGUS"); + } #endif } -void vl_msg_api_handler (void *the_msg) +void +vl_msg_api_handler (void *the_msg) { - api_main_t *am = &api_main; + api_main_t *am = &api_main; - msg_handler_internal (am, the_msg, - (am->rx_trace - && am->rx_trace->enabled) /* trace_it */, - 1 /* do_it */, 1 /* free_it */); + msg_handler_internal (am, the_msg, + (am->rx_trace + && am->rx_trace->enabled) /* trace_it */ , + 1 /* do_it */ , 1 /* free_it */ ); } -void vl_msg_api_handler_no_free (void *the_msg) +void +vl_msg_api_handler_no_free (void *the_msg) { - api_main_t *am = &api_main; - msg_handler_internal (am, the_msg, - (am->rx_trace - && am->rx_trace->enabled) /* trace_it */, - 1 /* do_it */, 0 /* free_it */); + api_main_t *am = &api_main; + msg_handler_internal (am, the_msg, + (am->rx_trace + && am->rx_trace->enabled) /* trace_it */ , + 1 /* do_it */ , 0 /* free_it */ ); } -void vl_msg_api_handler_no_trace_no_free (void *the_msg) +void +vl_msg_api_handler_no_trace_no_free (void *the_msg) { - api_main_t *am = &api_main; - msg_handler_internal (am, the_msg, 0/* trace_it */, 1 /* do_it */, - 0 /* free_it */); + api_main_t *am = &api_main; + msg_handler_internal (am, the_msg, 0 /* trace_it */ , 1 /* do_it */ , + 0 /* free_it */ ); } /* * Add a trace record to the API message trace buffer, if * API message tracing is enabled. Handy for adding sufficient * data to the trace to reproduce autonomous state, as opposed to - * state downloaded via control-plane API messages. Example: the NAT + * state downloaded via control-plane API messages. Example: the NAT * application creates database entries based on packet traffic, not * control-plane messages. * */ -void vl_msg_api_trace_only (void *the_msg) +void +vl_msg_api_trace_only (void *the_msg) { - api_main_t *am = &api_main; + api_main_t *am = &api_main; - msg_handler_internal (am, the_msg, - (am->rx_trace - && am->rx_trace->enabled) /* trace_it */, - 0 /* do_it */, 0 /* free_it */); + msg_handler_internal (am, the_msg, + (am->rx_trace + && am->rx_trace->enabled) /* trace_it */ , + 0 /* do_it */ , 0 /* free_it */ ); } -void vl_msg_api_cleanup_handler (void *the_msg) +void +vl_msg_api_cleanup_handler (void *the_msg) { - api_main_t *am = &api_main; - u16 id = ntohs(*((u16 *)the_msg)); + api_main_t *am = &api_main; + u16 id = ntohs (*((u16 *) the_msg)); - if (PREDICT_FALSE(id >= vec_len(am->msg_cleanup_handlers))) { - clib_warning ("_vl_msg_id too large: %d\n", id); - return; + if (PREDICT_FALSE (id >= vec_len (am->msg_cleanup_handlers))) + { + clib_warning ("_vl_msg_id too large: %d\n", id); + return; } - if (am->msg_cleanup_handlers[id]) - (*am->msg_cleanup_handlers[id])(the_msg); + if (am->msg_cleanup_handlers[id]) + (*am->msg_cleanup_handlers[id]) (the_msg); - vl_msg_api_free(the_msg); + vl_msg_api_free (the_msg); } /* * vl_msg_api_replay_handler */ -void vl_msg_api_replay_handler(void *the_msg) +void +vl_msg_api_replay_handler (void *the_msg) { - api_main_t *am = &api_main; + api_main_t *am = &api_main; - u16 id = ntohs(*((u16 *)the_msg)); + u16 id = ntohs (*((u16 *) the_msg)); - if (PREDICT_FALSE(id >= vec_len(am->msg_handlers))) { - clib_warning ("_vl_msg_id too large: %d\n", id); - return; + if (PREDICT_FALSE (id >= vec_len (am->msg_handlers))) + { + clib_warning ("_vl_msg_id too large: %d\n", id); + return; } - /* do NOT trace the message... */ - if (am->msg_handlers[id]) - (*am->msg_handlers[id])(the_msg); - /* do NOT free the message buffer... */ + /* do NOT trace the message... */ + if (am->msg_handlers[id]) + (*am->msg_handlers[id]) (the_msg); + /* do NOT free the message buffer... */ } + /* * vl_msg_api_socket_handler */ -void vl_msg_api_socket_handler(void *the_msg) +void +vl_msg_api_socket_handler (void *the_msg) { - api_main_t *am = &api_main; + api_main_t *am = &api_main; - msg_handler_internal (am, the_msg, - (am->rx_trace - && am->rx_trace->enabled) /* trace_it */, - 1 /* do_it */, 0 /* free_it */); + msg_handler_internal (am, the_msg, + (am->rx_trace + && am->rx_trace->enabled) /* trace_it */ , + 1 /* do_it */ , 0 /* free_it */ ); } #define foreach_msg_api_vector \ @@ -556,592 +627,675 @@ _(api_trace_cfg) \ _(message_bounce) \ _(is_mp_safe) -void vl_msg_api_config (vl_msg_api_msg_config_t *c) +void +vl_msg_api_config (vl_msg_api_msg_config_t * c) { - api_main_t *am = &api_main; + api_main_t *am = &api_main; - ASSERT(c->id > 0); + ASSERT (c->id > 0); #define _(a) vec_validate (am->a, c->id); - foreach_msg_api_vector; + foreach_msg_api_vector; #undef _ - am->msg_names[c->id] = c->name; - am->msg_handlers[c->id] = c->handler; - am->msg_cleanup_handlers[c->id] = c->cleanup; - am->msg_endian_handlers[c->id] = c->endian; - am->msg_print_handlers[c->id] = c->print; - am->message_bounce[c->id] = c->message_bounce; - am->is_mp_safe[c->id] = c->is_mp_safe; - - am->api_trace_cfg[c->id].size = c->size; - am->api_trace_cfg[c->id].trace_enable = c->traced; - am->api_trace_cfg[c->id].replay_enable = c->replay; + am->msg_names[c->id] = c->name; + am->msg_handlers[c->id] = c->handler; + am->msg_cleanup_handlers[c->id] = c->cleanup; + am->msg_endian_handlers[c->id] = c->endian; + am->msg_print_handlers[c->id] = c->print; + am->message_bounce[c->id] = c->message_bounce; + am->is_mp_safe[c->id] = c->is_mp_safe; + + am->api_trace_cfg[c->id].size = c->size; + am->api_trace_cfg[c->id].trace_enable = c->traced; + am->api_trace_cfg[c->id].replay_enable = c->replay; } -/* +/* * vl_msg_api_set_handlers * preserve the old API for a while */ -void vl_msg_api_set_handlers(int id, char *name, void *handler, void *cleanup, - void *endian, void *print, int size, int traced) +void +vl_msg_api_set_handlers (int id, char *name, void *handler, void *cleanup, + void *endian, void *print, int size, int traced) { - vl_msg_api_msg_config_t cfg; - vl_msg_api_msg_config_t *c = &cfg; - - c->id = id; - c->name = name; - c->handler = handler; - c->cleanup = cleanup; - c->endian = endian; - c->print = print; - c->size = size; - c->traced = traced; - c->replay = 1; - c->message_bounce = 0; - c->is_mp_safe = 0; - vl_msg_api_config (c); + vl_msg_api_msg_config_t cfg; + vl_msg_api_msg_config_t *c = &cfg; + + c->id = id; + c->name = name; + c->handler = handler; + c->cleanup = cleanup; + c->endian = endian; + c->print = print; + c->size = size; + c->traced = traced; + c->replay = 1; + c->message_bounce = 0; + c->is_mp_safe = 0; + vl_msg_api_config (c); } -void vl_msg_api_set_cleanup_handler(int msg_id, void *fp) +void +vl_msg_api_set_cleanup_handler (int msg_id, void *fp) { - api_main_t *am = &api_main; - ASSERT(msg_id > 0); + api_main_t *am = &api_main; + ASSERT (msg_id > 0); - vec_validate(am->msg_cleanup_handlers, msg_id); - am->msg_cleanup_handlers[msg_id] = fp; + vec_validate (am->msg_cleanup_handlers, msg_id); + am->msg_cleanup_handlers[msg_id] = fp; } -void vl_msg_api_queue_handler(unix_shared_memory_queue_t *q) +void +vl_msg_api_queue_handler (unix_shared_memory_queue_t * q) { - uword msg; + uword msg; - while (!unix_shared_memory_queue_sub(q, (u8 *)&msg, 0)) - vl_msg_api_handler((void *)msg); + while (!unix_shared_memory_queue_sub (q, (u8 *) & msg, 0)) + vl_msg_api_handler ((void *) msg); } -vl_api_trace_t *vl_msg_api_trace_get(api_main_t *am, vl_api_trace_which_t which) +vl_api_trace_t * +vl_msg_api_trace_get (api_main_t * am, vl_api_trace_which_t which) { - switch(which) + switch (which) { case VL_API_TRACE_RX: - return am->rx_trace; + return am->rx_trace; case VL_API_TRACE_TX: - return am->tx_trace; + return am->tx_trace; default: - return 0; + return 0; } } -void vl_noop_handler (void *mp) { } +void +vl_noop_handler (void *mp) +{ +} clib_error_t * -vl_api_init (vlib_main_t *vm) +vl_api_init (vlib_main_t * vm) { - static u8 once; - api_main_t *am = &api_main; - - if (once) - return 0; - - once = 1; - - am->region_name = "/unset"; - /* - * Eventually passed to fchown, -1 => "current user" - * instead of 0 => "root". A very fine disctinction at best. - */ - if (am->api_uid == 0) - am->api_uid = -1; - if (am->api_gid == 0) - am->api_gid = -1; - - return (0); + static u8 once; + api_main_t *am = &api_main; + + if (once) + return 0; + + once = 1; + + am->region_name = "/unset"; + /* + * Eventually passed to fchown, -1 => "current user" + * instead of 0 => "root". A very fine disctinction at best. + */ + if (am->api_uid == 0) + am->api_uid = -1; + if (am->api_gid == 0) + am->api_gid = -1; + + return (0); } -void vl_msg_api_custom_dump_configure (api_main_t *am) __attribute__((weak)); -void vl_msg_api_custom_dump_configure (api_main_t *am) { } +void vl_msg_api_custom_dump_configure (api_main_t * am) + __attribute__ ((weak)); +void +vl_msg_api_custom_dump_configure (api_main_t * am) +{ +} VLIB_INIT_FUNCTION (vl_api_init); -static void vl_msg_api_process_file (vlib_main_t *vm, u8 *filename, - u32 first_index, u32 last_index, - vl_api_replay_t which) +static void +vl_msg_api_process_file (vlib_main_t * vm, u8 * filename, + u32 first_index, u32 last_index, + vl_api_replay_t which) { - vl_api_trace_file_header_t * hp; - int i, fd; - struct stat statb; - size_t file_size; - u8 *msg; - u8 endian_swap_needed = 0; - api_main_t * am = &api_main; - static u8 *tmpbuf; - u32 nitems; - void **saved_print_handlers = 0; - - fd = open ((char *) filename, O_RDONLY); - - if (fd < 0) { - vlib_cli_output (vm, "Couldn't open %s\n", filename); - return; + vl_api_trace_file_header_t *hp; + int i, fd; + struct stat statb; + size_t file_size; + u8 *msg; + u8 endian_swap_needed = 0; + api_main_t *am = &api_main; + static u8 *tmpbuf; + u32 nitems; + void **saved_print_handlers = 0; + + fd = open ((char *) filename, O_RDONLY); + + if (fd < 0) + { + vlib_cli_output (vm, "Couldn't open %s\n", filename); + return; } - if (fstat(fd, &statb) < 0) { - vlib_cli_output (vm, "Couldn't stat %s\n", filename); - return; + if (fstat (fd, &statb) < 0) + { + vlib_cli_output (vm, "Couldn't stat %s\n", filename); + return; } - if (! (statb.st_mode & S_IFREG) || (statb.st_size < sizeof (*hp))) { - vlib_cli_output (vm, "File not plausible: %s\n", filename); - return; + if (!(statb.st_mode & S_IFREG) || (statb.st_size < sizeof (*hp))) + { + vlib_cli_output (vm, "File not plausible: %s\n", filename); + return; } - file_size = statb.st_size; - file_size = (file_size + 4095) & ~(4096); + file_size = statb.st_size; + file_size = (file_size + 4095) & ~(4096); - hp = mmap (0, file_size, PROT_READ, MAP_PRIVATE, fd, 0); + hp = mmap (0, file_size, PROT_READ, MAP_PRIVATE, fd, 0); - if (hp == (vl_api_trace_file_header_t *)MAP_FAILED) { - vlib_cli_output (vm, "mmap failed: %s\n", filename); - close(fd); - return; + if (hp == (vl_api_trace_file_header_t *) MAP_FAILED) + { + vlib_cli_output (vm, "mmap failed: %s\n", filename); + close (fd); + return; } - close(fd); - - if ((clib_arch_is_little_endian && hp->endian == VL_API_BIG_ENDIAN) - || (clib_arch_is_big_endian && hp->endian == VL_API_LITTLE_ENDIAN)) - endian_swap_needed = 1; - - if (endian_swap_needed) - nitems = ntohl(hp->nitems); - else - nitems = hp->nitems; + close (fd); + + if ((clib_arch_is_little_endian && hp->endian == VL_API_BIG_ENDIAN) + || (clib_arch_is_big_endian && hp->endian == VL_API_LITTLE_ENDIAN)) + endian_swap_needed = 1; + + if (endian_swap_needed) + nitems = ntohl (hp->nitems); + else + nitems = hp->nitems; - if (last_index == (u32) ~0) { - last_index = nitems - 1; + if (last_index == (u32) ~ 0) + { + last_index = nitems - 1; } - - if (first_index >= nitems || last_index >= nitems) { - vlib_cli_output (vm, "Range (%d, %d) outside file range (0, %d)\n", - first_index, last_index, nitems-1); - return; + + if (first_index >= nitems || last_index >= nitems) + { + vlib_cli_output (vm, "Range (%d, %d) outside file range (0, %d)\n", + first_index, last_index, nitems - 1); + return; } - if (hp->wrapped) - vlib_cli_output (vm, - "Note: wrapped/incomplete trace, results may vary\n"); - - if (which == CUSTOM_DUMP) { - saved_print_handlers = (void **) vec_dup (am->msg_print_handlers); - vl_msg_api_custom_dump_configure (am); + if (hp->wrapped) + vlib_cli_output (vm, + "Note: wrapped/incomplete trace, results may vary\n"); + + if (which == CUSTOM_DUMP) + { + saved_print_handlers = (void **) vec_dup (am->msg_print_handlers); + vl_msg_api_custom_dump_configure (am); } - msg = (u8 *)(hp+1); - - for (i = 0; i < first_index; i++) { - trace_cfg_t *cfgp; - int size; - u16 msg_id; - - if (clib_arch_is_little_endian) - msg_id = ntohs(*((u16 *)msg)); - else - msg_id = *((u16 *)msg); - - cfgp = am->api_trace_cfg + msg_id; - if (!cfgp) { - vlib_cli_output (vm, "Ugh: msg id %d no trace config\n", msg_id); - return; - } - size = cfgp->size; - msg += size; + msg = (u8 *) (hp + 1); + + for (i = 0; i < first_index; i++) + { + trace_cfg_t *cfgp; + int size; + u16 msg_id; + + if (clib_arch_is_little_endian) + msg_id = ntohs (*((u16 *) msg)); + else + msg_id = *((u16 *) msg); + + cfgp = am->api_trace_cfg + msg_id; + if (!cfgp) + { + vlib_cli_output (vm, "Ugh: msg id %d no trace config\n", msg_id); + return; + } + size = cfgp->size; + msg += size; } - - for (; i <= last_index; i++) { - trace_cfg_t *cfgp; - u16 *msg_idp; - u16 msg_id; - int size; - - if (which == DUMP) - vlib_cli_output (vm, "---------- trace %d -----------\n", i); - - if (clib_arch_is_little_endian) - msg_id = ntohs(*((u16 *)msg)); - else - msg_id = *((u16 *)msg); - - cfgp = am->api_trace_cfg + msg_id; - if (!cfgp) { - vlib_cli_output (vm, "Ugh: msg id %d no trace config\n", msg_id); - return; - } - size = cfgp->size; - - /* Copy the buffer (from the read-only mmap'ed file) */ - vec_validate (tmpbuf, size-1 + sizeof(uword)); - clib_memcpy (tmpbuf+sizeof(uword), msg, size); - memset (tmpbuf, 0xf, sizeof(uword)); - - /* - * Endian swap if needed. All msg data is supposed to be - * in network byte order. All msg handlers are supposed to - * know that. The generic message dumpers don't know that. - * One could fix apigen, I suppose. - */ - if ((which == DUMP && clib_arch_is_little_endian) - || endian_swap_needed) { - void (*endian_fp)(void *); - if (msg_id >= vec_len (am->msg_endian_handlers) - || (am->msg_endian_handlers[msg_id] == 0)) { - vlib_cli_output (vm, "Ugh: msg id %d no endian swap\n", msg_id); - return; - } - endian_fp = am->msg_endian_handlers[msg_id]; - (*endian_fp)(tmpbuf+sizeof(uword)); - } - - /* msg_id always in network byte order */ - if (clib_arch_is_little_endian) { - msg_idp = (u16 *)(tmpbuf+sizeof(uword)); - *msg_idp = msg_id; - } - - switch (which) { - case CUSTOM_DUMP: - case DUMP: - if (msg_id < vec_len(am->msg_print_handlers) && - am->msg_print_handlers [msg_id]) { - u8 *(*print_fp)(void *, void *); - - print_fp = (void *)am->msg_print_handlers[msg_id]; - (*print_fp)(tmpbuf+sizeof(uword), vm); - } else { - vlib_cli_output (vm, "Skipping msg id %d: no print fcn\n", - msg_id); - break; - } - break; - - case INITIALIZERS: - if (msg_id < vec_len(am->msg_print_handlers) && - am->msg_print_handlers [msg_id]) { - u8 * s; - int j; - u8 *(*print_fp)(void *, void *); - - print_fp = (void *)am->msg_print_handlers[msg_id]; - - vlib_cli_output (vm, "/*"); - - (*print_fp)(tmpbuf+sizeof(uword), vm); - vlib_cli_output (vm, "*/\n"); - - s = format (0, "static u8 * vl_api_%s_%d[%d] = {", - am->msg_names[msg_id], i, - am->api_trace_cfg[msg_id].size); - - for (j = 0; j < am->api_trace_cfg[msg_id].size; j++) { - if ((j & 7) == 0) - s = format (s, "\n "); - s = format (s, "0x%02x,", tmpbuf[sizeof(uword)+j]); - } - s = format (s, "\n};\n%c", 0); - vlib_cli_output (vm, (char *)s); - vec_free(s); - } - break; - - case REPLAY: - if (msg_id < vec_len(am->msg_print_handlers) && - am->msg_print_handlers [msg_id] && cfgp->replay_enable) { - void (*handler)(void *); - - handler = (void *)am->msg_handlers[msg_id]; - - if (!am->is_mp_safe[msg_id]) - vl_msg_api_barrier_sync(); - (*handler)(tmpbuf+sizeof(uword)); - if (!am->is_mp_safe[msg_id]) - vl_msg_api_barrier_release(); - } else { - if (cfgp->replay_enable) - vlib_cli_output (vm, "Skipping msg id %d: no handler\n", - msg_id); - break; - } - break; - } - - _vec_len(tmpbuf) = 0; - msg += size; + + for (; i <= last_index; i++) + { + trace_cfg_t *cfgp; + u16 *msg_idp; + u16 msg_id; + int size; + + if (which == DUMP) + vlib_cli_output (vm, "---------- trace %d -----------\n", i); + + if (clib_arch_is_little_endian) + msg_id = ntohs (*((u16 *) msg)); + else + msg_id = *((u16 *) msg); + + cfgp = am->api_trace_cfg + msg_id; + if (!cfgp) + { + vlib_cli_output (vm, "Ugh: msg id %d no trace config\n", msg_id); + return; + } + size = cfgp->size; + + /* Copy the buffer (from the read-only mmap'ed file) */ + vec_validate (tmpbuf, size - 1 + sizeof (uword)); + clib_memcpy (tmpbuf + sizeof (uword), msg, size); + memset (tmpbuf, 0xf, sizeof (uword)); + + /* + * Endian swap if needed. All msg data is supposed to be + * in network byte order. All msg handlers are supposed to + * know that. The generic message dumpers don't know that. + * One could fix apigen, I suppose. + */ + if ((which == DUMP && clib_arch_is_little_endian) || endian_swap_needed) + { + void (*endian_fp) (void *); + if (msg_id >= vec_len (am->msg_endian_handlers) + || (am->msg_endian_handlers[msg_id] == 0)) + { + vlib_cli_output (vm, "Ugh: msg id %d no endian swap\n", msg_id); + return; + } + endian_fp = am->msg_endian_handlers[msg_id]; + (*endian_fp) (tmpbuf + sizeof (uword)); + } + + /* msg_id always in network byte order */ + if (clib_arch_is_little_endian) + { + msg_idp = (u16 *) (tmpbuf + sizeof (uword)); + *msg_idp = msg_id; + } + + switch (which) + { + case CUSTOM_DUMP: + case DUMP: + if (msg_id < vec_len (am->msg_print_handlers) && + am->msg_print_handlers[msg_id]) + { + u8 *(*print_fp) (void *, void *); + + print_fp = (void *) am->msg_print_handlers[msg_id]; + (*print_fp) (tmpbuf + sizeof (uword), vm); + } + else + { + vlib_cli_output (vm, "Skipping msg id %d: no print fcn\n", + msg_id); + break; + } + break; + + case INITIALIZERS: + if (msg_id < vec_len (am->msg_print_handlers) && + am->msg_print_handlers[msg_id]) + { + u8 *s; + int j; + u8 *(*print_fp) (void *, void *); + + print_fp = (void *) am->msg_print_handlers[msg_id]; + + vlib_cli_output (vm, "/*"); + + (*print_fp) (tmpbuf + sizeof (uword), vm); + vlib_cli_output (vm, "*/\n"); + + s = format (0, "static u8 * vl_api_%s_%d[%d] = {", + am->msg_names[msg_id], i, + am->api_trace_cfg[msg_id].size); + + for (j = 0; j < am->api_trace_cfg[msg_id].size; j++) + { + if ((j & 7) == 0) + s = format (s, "\n "); + s = format (s, "0x%02x,", tmpbuf[sizeof (uword) + j]); + } + s = format (s, "\n};\n%c", 0); + vlib_cli_output (vm, (char *) s); + vec_free (s); + } + break; + + case REPLAY: + if (msg_id < vec_len (am->msg_print_handlers) && + am->msg_print_handlers[msg_id] && cfgp->replay_enable) + { + void (*handler) (void *); + + handler = (void *) am->msg_handlers[msg_id]; + + if (!am->is_mp_safe[msg_id]) + vl_msg_api_barrier_sync (); + (*handler) (tmpbuf + sizeof (uword)); + if (!am->is_mp_safe[msg_id]) + vl_msg_api_barrier_release (); + } + else + { + if (cfgp->replay_enable) + vlib_cli_output (vm, "Skipping msg id %d: no handler\n", + msg_id); + break; + } + break; + } + + _vec_len (tmpbuf) = 0; + msg += size; } - - if (saved_print_handlers) { - clib_memcpy (am->msg_print_handlers, saved_print_handlers, - vec_len(am->msg_print_handlers) * sizeof (void *)); - vec_free (saved_print_handlers); + + if (saved_print_handlers) + { + clib_memcpy (am->msg_print_handlers, saved_print_handlers, + vec_len (am->msg_print_handlers) * sizeof (void *)); + vec_free (saved_print_handlers); } - munmap (hp, file_size); + munmap (hp, file_size); } -u8 * format_vl_msg_api_trace_status (u8 * s, va_list * args) +u8 * +format_vl_msg_api_trace_status (u8 * s, va_list * args) { - api_main_t * am = va_arg (*args, api_main_t *); - vl_api_trace_which_t which = va_arg (*args, vl_api_trace_which_t); - vl_api_trace_t *tp; - char *trace_name; + api_main_t *am = va_arg (*args, api_main_t *); + vl_api_trace_which_t which = va_arg (*args, vl_api_trace_which_t); + vl_api_trace_t *tp; + char *trace_name; - switch(which) + switch (which) { case VL_API_TRACE_TX: - tp = am->tx_trace; - trace_name = "TX trace"; - break; - + tp = am->tx_trace; + trace_name = "TX trace"; + break; + case VL_API_TRACE_RX: - tp = am->rx_trace; - trace_name = "RX trace"; - break; + tp = am->rx_trace; + trace_name = "RX trace"; + break; default: - abort(); + abort (); } - if (tp == 0) { - s = format (s, "%s: not yet configured.\n", trace_name); - return s; + if (tp == 0) + { + s = format (s, "%s: not yet configured.\n", trace_name); + return s; } - s = format (s, "%s: used %d of %d items, %s enabled, %s wrapped\n", - trace_name, vec_len (tp->traces), tp->nitems, - tp->enabled ? "is" : "is not", - tp->wrapped ? "has" : "has not"); - return s; + s = format (s, "%s: used %d of %d items, %s enabled, %s wrapped\n", + trace_name, vec_len (tp->traces), tp->nitems, + tp->enabled ? "is" : "is not", tp->wrapped ? "has" : "has not"); + return s; } static u8 post_mortem_dump_enabled; static clib_error_t * api_trace_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) + unformat_input_t * input, vlib_cli_command_t * cmd) { - u32 nitems = 256<<10; - api_main_t * am = &api_main; - vl_api_trace_which_t which = VL_API_TRACE_RX; - u8 *filename; - u32 first = 0; - u32 last = (u32)~0; - FILE *fp; - int rv; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "on") || unformat (input, "enable")) { - if (unformat (input, "nitems %d", &nitems)) - ; - vl_msg_api_trace_configure (am, which, nitems); - vl_msg_api_trace_onoff (am, which, 1 /* on */); - } else if (unformat (input, "off")) { - vl_msg_api_trace_onoff (am, which, 0); - } else if (unformat (input, "save %s", &filename)) { - u8 * chroot_filename; - if (strstr((char *)filename, "..") - || index((char *)filename, '/')) - { - vlib_cli_output (vm, "illegal characters in filename '%s'", - filename); - return 0; - } - - chroot_filename = format (0, "/tmp/%s%c", filename, 0); - - vec_free(filename); - - fp = fopen ((char *)chroot_filename, "w"); - if (fp == NULL) { - vlib_cli_output (vm, "Couldn't create %s\n", chroot_filename); - return 0; - } - rv = vl_msg_api_trace_save (am, which, fp); - fclose (fp); - if (rv < 0) - vlib_cli_output (vm, "ERROR: %d", rv); - else - vlib_cli_output (vm, "API trace saved to %s\n", - chroot_filename); - vec_free (chroot_filename); - } else if (unformat (input, "dump %s", &filename)) { - vl_msg_api_process_file (vm, filename, first, last, DUMP); - } else if (unformat (input, "custom-dump %s", &filename)) { - vl_msg_api_process_file (vm, filename, first, last, CUSTOM_DUMP); - } else if (unformat (input, "replay %s", &filename)) { - vl_msg_api_process_file (vm, filename, first, last, REPLAY); - } else if (unformat (input, "initializers %s", &filename)) { - vl_msg_api_process_file (vm, filename, first, last, INITIALIZERS); - } else if (unformat (input, "tx")) { - which = VL_API_TRACE_TX; - } else if (unformat (input, "first %d", &first)) { - ; - } else if (unformat (input, "last %d", &last)) { - ; - } else if (unformat (input, "status")) { - vlib_cli_output (vm, "%U", format_vl_msg_api_trace_status, - am, which); - } else if (unformat (input, "free")) { - vl_msg_api_trace_onoff (am, which, 0); - vl_msg_api_trace_free (am, which); - } else if (unformat (input, "post-mortem-on")) - post_mortem_dump_enabled = 1; - else if (unformat (input, "post-mortem-off")) - post_mortem_dump_enabled = 0; - else - return clib_error_return (0, "unknown input `%U'", - format_unformat_error, input); + u32 nitems = 256 << 10; + api_main_t *am = &api_main; + vl_api_trace_which_t which = VL_API_TRACE_RX; + u8 *filename; + u32 first = 0; + u32 last = (u32) ~ 0; + FILE *fp; + int rv; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "on") || unformat (input, "enable")) + { + if (unformat (input, "nitems %d", &nitems)) + ; + vl_msg_api_trace_configure (am, which, nitems); + vl_msg_api_trace_onoff (am, which, 1 /* on */ ); + } + else if (unformat (input, "off")) + { + vl_msg_api_trace_onoff (am, which, 0); + } + else if (unformat (input, "save %s", &filename)) + { + u8 *chroot_filename; + if (strstr ((char *) filename, "..") + || index ((char *) filename, '/')) + { + vlib_cli_output (vm, "illegal characters in filename '%s'", + filename); + return 0; + } + + chroot_filename = format (0, "/tmp/%s%c", filename, 0); + + vec_free (filename); + + fp = fopen ((char *) chroot_filename, "w"); + if (fp == NULL) + { + vlib_cli_output (vm, "Couldn't create %s\n", chroot_filename); + return 0; + } + rv = vl_msg_api_trace_save (am, which, fp); + fclose (fp); + if (rv < 0) + vlib_cli_output (vm, "ERROR: %d", rv); + else + vlib_cli_output (vm, "API trace saved to %s\n", chroot_filename); + vec_free (chroot_filename); + } + else if (unformat (input, "dump %s", &filename)) + { + vl_msg_api_process_file (vm, filename, first, last, DUMP); + } + else if (unformat (input, "custom-dump %s", &filename)) + { + vl_msg_api_process_file (vm, filename, first, last, CUSTOM_DUMP); + } + else if (unformat (input, "replay %s", &filename)) + { + vl_msg_api_process_file (vm, filename, first, last, REPLAY); + } + else if (unformat (input, "initializers %s", &filename)) + { + vl_msg_api_process_file (vm, filename, first, last, INITIALIZERS); + } + else if (unformat (input, "tx")) + { + which = VL_API_TRACE_TX; + } + else if (unformat (input, "first %d", &first)) + { + ; + } + else if (unformat (input, "last %d", &last)) + { + ; + } + else if (unformat (input, "status")) + { + vlib_cli_output (vm, "%U", format_vl_msg_api_trace_status, + am, which); + } + else if (unformat (input, "free")) + { + vl_msg_api_trace_onoff (am, which, 0); + vl_msg_api_trace_free (am, which); + } + else if (unformat (input, "post-mortem-on")) + post_mortem_dump_enabled = 1; + else if (unformat (input, "post-mortem-off")) + post_mortem_dump_enabled = 0; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); } - return 0; + return 0; } +/* *INDENT-OFF* */ VLIB_CLI_COMMAND (api_trace_command, static) = { .path = "api trace", - .short_help = + .short_help = "api trace [on|off][dump|save|replay <file>][status][free][post-mortem-on]", .function = api_trace_command_fn, }; +/* *INDENT-ON* */ static clib_error_t * api_config_fn (vlib_main_t * vm, unformat_input_t * input) { - u32 nitems = 256<<10; - vl_api_trace_which_t which = VL_API_TRACE_RX; - api_main_t * am = &api_main; - - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "on") || unformat (input, "enable")) { - if (unformat (input, "nitems %d", &nitems)) - ; - vl_msg_api_trace_configure (am, which, nitems); - vl_msg_api_trace_onoff (am, which, 1 /* on */); - post_mortem_dump_enabled = 1; - } else - return clib_error_return (0, "unknown input `%U'", - format_unformat_error, input); + u32 nitems = 256 << 10; + vl_api_trace_which_t which = VL_API_TRACE_RX; + api_main_t *am = &api_main; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "on") || unformat (input, "enable")) + { + if (unformat (input, "nitems %d", &nitems)) + ; + vl_msg_api_trace_configure (am, which, nitems); + vl_msg_api_trace_onoff (am, which, 1 /* on */ ); + post_mortem_dump_enabled = 1; + } + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); } - return 0; + return 0; } VLIB_CONFIG_FUNCTION (api_config_fn, "api-trace"); -void vl_msg_api_post_mortem_dump (void) +void +vl_msg_api_post_mortem_dump (void) { - api_main_t * am = &api_main; - FILE *fp; - char filename[64]; - int rv; - - if (post_mortem_dump_enabled == 0) - return; - - snprintf (filename, sizeof(filename), "/tmp/api_post_mortem.%d", - getpid()); - - fp = fopen (filename, "w"); - if (fp == NULL) { - rv = write (2, "Couldn't create ", 16); - rv = write (2, filename, strlen(filename)); - rv = write (2, "\n", 1); - return; + api_main_t *am = &api_main; + FILE *fp; + char filename[64]; + int rv; + + if (post_mortem_dump_enabled == 0) + return; + + snprintf (filename, sizeof (filename), "/tmp/api_post_mortem.%d", + getpid ()); + + fp = fopen (filename, "w"); + if (fp == NULL) + { + rv = write (2, "Couldn't create ", 16); + rv = write (2, filename, strlen (filename)); + rv = write (2, "\n", 1); + return; } - rv = vl_msg_api_trace_save (am, VL_API_TRACE_RX, fp); - fclose (fp); - if (rv < 0) { - rv = write (2, "Failed to save post-mortem API trace to ", 40); - rv = write (2, filename, strlen(filename)); - rv = write (2, "\n", 1); + rv = vl_msg_api_trace_save (am, VL_API_TRACE_RX, fp); + fclose (fp); + if (rv < 0) + { + rv = write (2, "Failed to save post-mortem API trace to ", 40); + rv = write (2, filename, strlen (filename)); + rv = write (2, "\n", 1); } - + } /* Layered message handling support */ -void vl_msg_api_register_pd_handler (void *fp, u16 msg_id_host_byte_order) +void +vl_msg_api_register_pd_handler (void *fp, u16 msg_id_host_byte_order) { - api_main_t * am = &api_main; - - /* Mild idiot proofing */ - if (msg_id_host_byte_order > 10000) - clib_warning ("msg_id_host_byte_order endian issue? %d arg vs %d", - msg_id_host_byte_order, - clib_net_to_host_u16 (msg_id_host_byte_order)); - vec_validate (am->pd_msg_handlers, msg_id_host_byte_order); - am->pd_msg_handlers[msg_id_host_byte_order] = fp; + api_main_t *am = &api_main; + + /* Mild idiot proofing */ + if (msg_id_host_byte_order > 10000) + clib_warning ("msg_id_host_byte_order endian issue? %d arg vs %d", + msg_id_host_byte_order, + clib_net_to_host_u16 (msg_id_host_byte_order)); + vec_validate (am->pd_msg_handlers, msg_id_host_byte_order); + am->pd_msg_handlers[msg_id_host_byte_order] = fp; } -int vl_msg_api_pd_handler (void *mp, int rv) +int +vl_msg_api_pd_handler (void *mp, int rv) { - api_main_t * am = &api_main; - int (*fp)(void *, int); - u16 msg_id; + api_main_t *am = &api_main; + int (*fp) (void *, int); + u16 msg_id; - if (clib_arch_is_little_endian) - msg_id = clib_net_to_host_u16(*((u16 *)mp)); - else - msg_id = *((u16 *)mp); - - if (msg_id >= vec_len (am->pd_msg_handlers) - || am->pd_msg_handlers[msg_id] == 0) - return rv; - - fp = am->pd_msg_handlers [msg_id]; - rv = (*fp)(mp, rv); + if (clib_arch_is_little_endian) + msg_id = clib_net_to_host_u16 (*((u16 *) mp)); + else + msg_id = *((u16 *) mp); + + if (msg_id >= vec_len (am->pd_msg_handlers) + || am->pd_msg_handlers[msg_id] == 0) return rv; + + fp = am->pd_msg_handlers[msg_id]; + rv = (*fp) (mp, rv); + return rv; } -void vl_msg_api_set_first_available_msg_id (u16 first_avail) +void +vl_msg_api_set_first_available_msg_id (u16 first_avail) { - api_main_t * am = &api_main; - - am->first_available_msg_id = first_avail; + api_main_t *am = &api_main; + + am->first_available_msg_id = first_avail; } -u16 vl_msg_api_get_msg_ids (char * name, int n) +u16 +vl_msg_api_get_msg_ids (char *name, int n) { - api_main_t * am = &api_main; - u8 * name_copy; - vl_api_msg_range_t * rp; - uword * p; - u16 rv; - - if (am->msg_range_by_name == 0) - am->msg_range_by_name = hash_create_string (0, sizeof(uword)); - - name_copy = format (0, "%s%c", name, 0); - - p = hash_get_mem (am->msg_range_by_name, name_copy); - if (p) { - clib_warning ("WARNING: duplicate message range registration for '%s'", - name_copy); - vec_free(name_copy); - return ((u16) ~0); + api_main_t *am = &api_main; + u8 *name_copy; + vl_api_msg_range_t *rp; + uword *p; + u16 rv; + + if (am->msg_range_by_name == 0) + am->msg_range_by_name = hash_create_string (0, sizeof (uword)); + + name_copy = format (0, "%s%c", name, 0); + + p = hash_get_mem (am->msg_range_by_name, name_copy); + if (p) + { + clib_warning ("WARNING: duplicate message range registration for '%s'", + name_copy); + vec_free (name_copy); + return ((u16) ~ 0); } - if (n < 0 || n > 1024) { - clib_warning - ("WARNING: bad number of message-IDs (%d) requested by '%s'", - n, name_copy); - vec_free(name_copy); - return ((u16) ~0); + if (n < 0 || n > 1024) + { + clib_warning + ("WARNING: bad number of message-IDs (%d) requested by '%s'", + n, name_copy); + vec_free (name_copy); + return ((u16) ~ 0); } - vec_add2 (am->msg_ranges, rp, 1); + vec_add2 (am->msg_ranges, rp, 1); - rv = rp->first_msg_id = am->first_available_msg_id; - am->first_available_msg_id += n; - rp->last_msg_id = am->first_available_msg_id - 1; - rp->name = name_copy; + rv = rp->first_msg_id = am->first_available_msg_id; + am->first_available_msg_id += n; + rp->last_msg_id = am->first_available_msg_id - 1; + rp->name = name_copy; - hash_set_mem (am->msg_range_by_name, name_copy, rp - am->msg_ranges); + hash_set_mem (am->msg_range_by_name, name_copy, rp - am->msg_ranges); - return rv; + return rv; } + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |