X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession_cli.c;h=682249ae60fb8a502815e67efc858f9ef348074c;hp=38762afc8bbc3db7a35ff548172dc5d954827e5b;hb=07063b8ea;hpb=6792ec059696a358b6c98d8d86e9740b34c01e24 diff --git a/src/vnet/session/session_cli.c b/src/vnet/session/session_cli.c index 38762afc8bb..682249ae60f 100644 --- a/src/vnet/session/session_cli.c +++ b/src/vnet/session/session_cli.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017 Cisco and/or its affiliates. + * Copyright (c) 2017-2019 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -15,6 +15,80 @@ #include #include +u8 * +format_session_fifos (u8 * s, va_list * args) +{ + session_t *ss = va_arg (*args, session_t *); + int verbose = va_arg (*args, int); + session_event_t _e, *e = &_e; + u8 found; + + if (!ss->rx_fifo || !ss->tx_fifo) + return s; + + s = format (s, " Rx fifo: %U", format_svm_fifo, ss->rx_fifo, verbose); + if (verbose > 2 && ss->rx_fifo->has_event) + { + found = session_node_lookup_fifo_event (ss->rx_fifo, e); + s = format (s, " session node event: %s\n", + found ? "found" : "not found"); + } + s = format (s, " Tx fifo: %U", format_svm_fifo, ss->tx_fifo, verbose); + if (verbose > 2 && ss->tx_fifo->has_event) + { + found = session_node_lookup_fifo_event (ss->tx_fifo, e); + s = format (s, " session node event: %s\n", + found ? "found" : "not found"); + } + return s; +} + +const char *session_state_str[] = { +#define _(sym, str) str, + foreach_session_state +#undef _ +}; + +u8 * +format_session_state (u8 * s, va_list * args) +{ + session_t *ss = va_arg (*args, session_t *); + + if (ss->session_state < SESSION_N_STATES) + s = format (s, "%s", session_state_str[ss->session_state]); + else + s = format (s, "UNKNOWN STATE (%d)", ss->session_state); + + return s; +} + +const char *session_flags_str[] = { +#define _(sym, str) str, + foreach_session_flag +#undef _ +}; + +u8 * +format_session_flags (u8 * s, va_list * args) +{ + session_t *ss = va_arg (*args, session_t *); + int i, last = -1; + + for (i = 0; i < SESSION_N_FLAGS; i++) + if (ss->flags & (1 << i)) + last = i; + + for (i = 0; i < last; i++) + { + if (ss->flags & (1 << i)) + s = format (s, "%s, ", session_flags_str[i]); + } + if (last >= 0) + s = format (s, "%s", session_flags_str[last]); + + return s; +} + /** * Format stream session as per the following format * @@ -24,135 +98,603 @@ * "Connection" */ u8 * -format_stream_session (u8 * s, va_list * args) +format_session (u8 * s, va_list * args) { - stream_session_t *ss = va_arg (*args, stream_session_t *); + session_t *ss = va_arg (*args, session_t *); int verbose = va_arg (*args, int); - transport_proto_vft_t *tp_vft; + u32 tp = session_get_transport_proto (ss); u8 *str = 0; - tp_vft = session_get_transport_vft (ss->session_type); - - if (verbose) - str = format (0, "%-20llp%-20llp%-15lld", ss->server_rx_fifo, - ss->server_tx_fifo, stream_session_get_index (ss)); + if (ss->session_state >= SESSION_STATE_TRANSPORT_DELETED) + { + s = format (s, "[%u:%u] CLOSED", ss->thread_index, ss->session_index); + return s; + } - if (ss->session_state == SESSION_STATE_READY) + if (verbose == 1) { - s = format (s, "%-40U%v", tp_vft->format_connection, - ss->connection_index, ss->thread_index, str); + u8 post_accept = ss->session_state >= SESSION_STATE_ACCEPTING; + u8 hasf = post_accept + || session_transport_service_type (ss) == TRANSPORT_SERVICE_CL; + u32 rxf, txf; + + rxf = hasf ? svm_fifo_max_dequeue (ss->rx_fifo) : 0; + txf = hasf ? svm_fifo_max_dequeue (ss->tx_fifo) : 0; + str = format (0, "%-10u%-10u", rxf, txf); } - else if (ss->session_state == SESSION_STATE_LISTENING) + + if (ss->session_state >= SESSION_STATE_ACCEPTING + || ss->session_state == SESSION_STATE_CREATED) { - s = format (s, "%-40U%v", tp_vft->format_listener, ss->connection_index, - str); + s = format (s, "%U", format_transport_connection, tp, + ss->connection_index, ss->thread_index, verbose); + if (verbose == 1) + s = format (s, "%v", str); + if (verbose > 1) + { + s = format (s, "%U", format_session_fifos, ss, verbose); + s = format (s, " session: state: %U opaque: 0x%x flags: %U\n", + format_session_state, ss, ss->opaque, + format_session_flags, ss); + } } - else if (ss->session_state == SESSION_STATE_READY) + else if (ss->session_state == SESSION_STATE_LISTENING) { - s = - format (s, "%-40U%v", tp_vft->format_half_open, ss->connection_index, - str); + s = format (s, "%U%v", format_transport_listen_connection, + tp, ss->connection_index, ss->thread_index, verbose, str); + if (verbose > 1) + s = format (s, "\n%U", format_session_fifos, ss, verbose); } - else if (ss->session_state == SESSION_STATE_CLOSED) + else if (ss->session_state == SESSION_STATE_CONNECTING) { - s = format (s, "[CL] %-40U%v", tp_vft->format_connection, - ss->connection_index, ss->thread_index, str); + s = format (s, "%-40U%v", format_transport_half_open_connection, + tp, ss->connection_index, ss->thread_index, str); } else { clib_warning ("Session in state: %d!", ss->session_state); } - vec_free (str); return s; } -static clib_error_t * -show_session_command_fn (vlib_main_t * vm, unformat_input_t * input, - vlib_cli_command_t * cmd) +uword +unformat_stream_session_id (unformat_input_t * input, va_list * args) { - session_manager_main_t *smm = &session_manager_main; - int verbose = 0, i; - stream_session_t *pool; - stream_session_t *s; - u8 *str = 0; + u8 *proto = va_arg (*args, u8 *); + u32 *fib_index = va_arg (*args, u32 *); + ip46_address_t *lcl = va_arg (*args, ip46_address_t *); + ip46_address_t *rmt = va_arg (*args, ip46_address_t *); + u16 *lcl_port = va_arg (*args, u16 *); + u16 *rmt_port = va_arg (*args, u16 *); + u8 *is_ip4 = va_arg (*args, u8 *); + u8 tuple_is_set = 0; + u32 vrf = ~0; + + clib_memset (lcl, 0, sizeof (*lcl)); + clib_memset (rmt, 0, sizeof (*rmt)); + + if (unformat (input, "tcp")) + { + *proto = TRANSPORT_PROTO_TCP; + } + else if (unformat (input, "udp")) + { + *proto = TRANSPORT_PROTO_UDP; + } + else + return 0; - if (!smm->is_enabled) + if (unformat (input, "vrf %u", &vrf)) + ; + + if (unformat (input, "%U:%d->%U:%d", unformat_ip4_address, &lcl->ip4, + lcl_port, unformat_ip4_address, &rmt->ip4, rmt_port)) + { + *is_ip4 = 1; + tuple_is_set = 1; + } + else if (unformat (input, "%U:%d->%U:%d", unformat_ip6_address, &lcl->ip6, + lcl_port, unformat_ip6_address, &rmt->ip6, rmt_port)) { - clib_error_return (0, "session layer is not enabled"); + *is_ip4 = 0; + tuple_is_set = 1; } - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + if (vrf != ~0) { - if (unformat (input, "verbose")) - verbose = 1; - else - break; + fib_protocol_t fib_proto; + fib_proto = *is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; + *fib_index = fib_table_find (fib_proto, vrf); + } + + return tuple_is_set; +} + +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 **); + u32 lcl_port = 0, rmt_port = 0, fib_index = 0; + ip46_address_t lcl, rmt; + session_t *s; + u8 proto = ~0; + u8 is_ip4 = 0; + + if (!unformat (input, "%U", unformat_stream_session_id, &proto, &fib_index, + &lcl, &rmt, &lcl_port, &rmt_port, &is_ip4)) + return 0; + + if (is_ip4) + s = session_lookup_safe4 (fib_index, &lcl.ip4, &rmt.ip4, + clib_host_to_net_u16 (lcl_port), + clib_host_to_net_u16 (rmt_port), proto); + else + s = session_lookup_safe6 (fib_index, &lcl.ip6, &rmt.ip6, + clib_host_to_net_u16 (lcl_port), + clib_host_to_net_u16 (rmt_port), proto); + if (s) + { + *result = s; + session_pool_remove_peeker (s->thread_index); + return 1; + } + return 0; +} + +uword +unformat_transport_connection (unformat_input_t * input, va_list * args) +{ + transport_connection_t **result = va_arg (*args, transport_connection_t **); + u32 suggested_proto = va_arg (*args, u32); + transport_connection_t *tc; + u8 proto = ~0; + ip46_address_t lcl, rmt; + u32 lcl_port = 0, rmt_port = 0, fib_index = 0; + u8 is_ip4 = 0; + + if (!unformat (input, "%U", unformat_stream_session_id, &fib_index, &proto, + &lcl, &rmt, &lcl_port, &rmt_port, &is_ip4)) + return 0; + + proto = (proto == (u8) ~ 0) ? suggested_proto : proto; + if (proto == (u8) ~ 0) + return 0; + if (is_ip4) + tc = session_lookup_connection4 (fib_index, &lcl.ip4, &rmt.ip4, + clib_host_to_net_u16 (lcl_port), + clib_host_to_net_u16 (rmt_port), proto); + else + tc = session_lookup_connection6 (fib_index, &lcl.ip6, &rmt.ip6, + clib_host_to_net_u16 (lcl_port), + clib_host_to_net_u16 (rmt_port), proto); + + if (tc) + { + *result = tc; + return 1; + } + return 0; +} - for (i = 0; i < vec_len (smm->sessions); i++) +static void +session_cli_show_all_sessions (vlib_main_t * vm, int verbose) +{ + session_main_t *smm = &session_main; + u32 n_closed, thread_index; + session_t *pool, *s; + + for (thread_index = 0; thread_index < vec_len (smm->wrk); thread_index++) { - u32 once_per_pool; - pool = smm->sessions[i]; + pool = smm->wrk[thread_index].sessions; + + if (!pool_elts (pool)) + { + vlib_cli_output (vm, "Thread %d: no sessions", thread_index); + continue; + } - once_per_pool = 1; + if (!verbose) + { + vlib_cli_output (vm, "Thread %d: %d sessions", thread_index, + pool_elts (pool)); + continue; + } - if (pool_elts (pool)) + 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"); + + n_closed = 0; + + /* *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; + } - vlib_cli_output (vm, "Thread %d: %d active sessions", - i, pool_elts (pool)); +check_transport: + + if (tp != TRANSPORT_PROTO_INVALID && 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_PROTO_INVALID && states == 0 && !verbose + && (start == 0 && end == ~0)) + { + vlib_cli_output (vm, "Thread %d: %u sessions", thread_index, + pool_elts (pool)); + return; + } + + max_index = pool_len (pool) ? pool_len (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 (once_per_pool) + if (count > 50 || (verbose > 1 && count > 10)) { - str = format (str, "%-50s%-20s%-20s%-15s", - "Connection", "Rx fifo", "Tx fifo", - "Session Index"); - vlib_cli_output (vm, "%v", str); - vec_reset_length (str); - once_per_pool = 0; + 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); +} + +void +session_cli_show_events_thread (vlib_main_t * vm, u32 thread_index) +{ + session_worker_t *wrk; + + wrk = session_main_get_worker_if_valid (thread_index); + if (!wrk) + { + vlib_cli_output (vm, "invalid thread index %u", thread_index); + return; + } + + vlib_cli_output (vm, "Thread %d:\n", thread_index); + vlib_cli_output (vm, " evt elements alloc: %u", + pool_elts (wrk->event_elts)); + vlib_cli_output (vm, " ctrl evt elt data alloc: %d", + pool_elts (wrk->ctrl_evts_data)); +} + +static void +session_cli_show_events (vlib_main_t * vm, u32 thread_index) +{ + session_main_t *smm = &session_main; + if (!thread_index) + { + session_cli_show_events_thread (vm, thread_index); + return; + } + + for (thread_index = 0; thread_index < vec_len (smm->wrk); thread_index++) + session_cli_show_events_thread (vm, thread_index); +} + +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, 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_PROTO_INVALID; + session_state_t state = SESSION_N_STATES, *states = 0; + session_main_t *smm = &session_main; + clib_error_t *error = 0; + app_worker_t *app_wrk; + u32 transport_index; + const u8 *app_name; + u8 do_events = 0; + int verbose = 0; + session_t *s; + + session_cli_return_if_not_enabled (); + + if (!unformat_user (input, unformat_line_input, line_input)) + { + session_cli_show_all_sessions (vm, 0); + return 0; + } - /* *INDENT-OFF* */ - pool_foreach (s, pool, - ({ - vlib_cli_output (vm, "%U", format_stream_session, s, verbose); - })); - /* *INDENT-ON* */ + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "verbose %d", &verbose)) + ; + else if (unformat (line_input, "verbose")) + verbose = 1; + else if (unformat (line_input, "listeners %U", unformat_transport_proto, + &transport_proto)) + do_listeners = 1; + else if (unformat (line_input, "%U", unformat_session, &s)) + { + one_session = 1; + } + 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")) + { + vlib_cli_output (vm, "%U", format_transport_protos); + goto done; + } + else if (unformat (line_input, "states")) + { + session_cli_print_session_states (vm); + goto done; } + else if (unformat (line_input, "events")) + do_events = 1; else - vlib_cli_output (vm, "Thread %d: no active sessions", i); + { + error = clib_error_return (0, "unknown input `%U'", + format_unformat_error, line_input); + goto done; + } } - vec_free (str); - return 0; + if (one_session) + { + u8 *str = format (0, "%U", format_session, s, 3); + 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); + track_index = transport_elog_track_index (tc); + dt = (em->init_time.cpu - vm->clib_time.init_cpu_time) + * vm->clib_time.seconds_per_clock; + if (track_index != ~0) + str = format (str, " session elog:\n%U", format_elog_track, em, + dt, track_index); + } + vlib_cli_output (vm, "%v", str); + vec_free (str); + goto done; + } + + if (do_listeners) + { + sst = session_type_from_proto_and_ip (transport_proto, 1); + vlib_cli_output (vm, "%-50s%-24s", "Listener", "App"); + /* *INDENT-OFF* */ + pool_foreach (s, smm->wrk[0].sessions, ({ + if (s->session_state != SESSION_STATE_LISTENING + || s->session_type != sst) + continue; + app_wrk = app_worker_get (s->app_wrk_index); + app_name = application_name_from_index (app_wrk->app_index); + vlib_cli_output (vm, "%U%-25v%", format_session, s, 0, + app_name); + })); + /* *INDENT-ON* */ + goto done; + } + + if (do_events) + { + session_cli_show_events (vm, thread_index); + goto done; + } + + if (do_filter) + { + if (end < start) + { + error = clib_error_return (0, "invalid range start: %u end: %u", + start, end); + goto done; + } + session_cli_show_session_filter (vm, thread_index, start, end, states, + transport_proto, verbose); + goto done; + } + + session_cli_show_all_sessions (vm, verbose); + +done: + unformat_free (line_input); + vec_free (states); + return error; } /* *INDENT-OFF* */ -VLIB_CLI_COMMAND (show_session_command, static) = +VLIB_CLI_COMMAND (vlib_cli_show_session_command) = { .path = "show session", - .short_help = "show session [verbose]", + .short_help = "show session [verbose [n]] [listeners ] " + "[ [elog]] [thread [index ] " + "[proto ] [state ] [range []] " + "[protos] [states] ", .function = show_session_command_fn, }; /* *INDENT-ON* */ +static int +clear_session (session_t * s) +{ + app_worker_t *server_wrk = app_worker_get (s->app_wrk_index); + app_worker_close_notify (server_wrk, s); + return 0; +} + static clib_error_t * clear_session_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { - session_manager_main_t *smm = &session_manager_main; - u32 thread_index = 0; + session_main_t *smm = &session_main; + u32 thread_index = 0, clear_all = 0; + session_worker_t *wrk; u32 session_index = ~0; - stream_session_t *pool, *session; - application_t *server; + session_t *session; if (!smm->is_enabled) { - clib_error_return (0, "session layer is not enabled"); + return clib_error_return (0, "session layer is not enabled"); } while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) @@ -161,28 +703,36 @@ clear_session_command_fn (vlib_main_t * vm, unformat_input_t * input, ; else if (unformat (input, "session %d", &session_index)) ; + else if (unformat (input, "all")) + clear_all = 1; else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); } - if (session_index == ~0) + if (!clear_all && session_index == ~0) return clib_error_return (0, "session required, but not set."); - if (thread_index > vec_len (smm->sessions)) - return clib_error_return (0, "thread %d out of range [0-%d]", - thread_index, vec_len (smm->sessions)); - - pool = smm->sessions[thread_index]; - - if (pool_is_free_index (pool, session_index)) - return clib_error_return (0, "session %d not active", session_index); - - session = pool_elt_at_index (pool, session_index); - server = application_get (session->app_index); + if (session_index != ~0) + { + session = session_get_if_valid (session_index, thread_index); + if (!session) + return clib_error_return (0, "no session %d on thread %d", + session_index, thread_index); + clear_session (session); + } - /* Disconnect both app and transport */ - server->cb_fns.session_disconnect_callback (session); + if (clear_all) + { + /* *INDENT-OFF* */ + vec_foreach (wrk, smm->wrk) + { + pool_foreach(session, wrk->sessions, ({ + clear_session (session); + })); + }; + /* *INDENT-ON* */ + } return 0; } @@ -196,23 +746,130 @@ VLIB_CLI_COMMAND (clear_session_command, static) = }; /* *INDENT-ON* */ +static clib_error_t * +show_session_fifo_trace_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + session_t *s = 0; + u8 is_rx = 0, *str = 0; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "%U", unformat_session, &s)) + ; + else if (unformat (input, "rx")) + is_rx = 1; + else if (unformat (input, "tx")) + is_rx = 0; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + + if (!SVM_FIFO_TRACE) + { + vlib_cli_output (vm, "fifo tracing not enabled"); + return 0; + } + + if (!s) + { + vlib_cli_output (vm, "could not find session"); + return 0; + } + + str = is_rx ? + svm_fifo_dump_trace (str, s->rx_fifo) : + svm_fifo_dump_trace (str, s->tx_fifo); + + vlib_cli_output (vm, "%v", str); + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_session_fifo_trace_command, static) = +{ + .path = "show session fifo trace", + .short_help = "show session fifo trace ", + .function = show_session_fifo_trace_command_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +session_replay_fifo_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + session_t *s = 0; + u8 is_rx = 0, *str = 0; + + while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (input, "%U", unformat_session, &s)) + ; + else if (unformat (input, "rx")) + is_rx = 1; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + + if (!SVM_FIFO_TRACE) + { + vlib_cli_output (vm, "fifo tracing not enabled"); + return 0; + } + + if (!s) + { + vlib_cli_output (vm, "could not find session"); + return 0; + } + + str = is_rx ? + svm_fifo_replay (str, s->rx_fifo, 0, 1) : + svm_fifo_replay (str, s->tx_fifo, 0, 1); + + vlib_cli_output (vm, "%v", str); + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (session_replay_fifo_trace_command, static) = +{ + .path = "session replay fifo", + .short_help = "session replay fifo ", + .function = session_replay_fifo_command_fn, +}; +/* *INDENT-ON* */ + static clib_error_t * session_enable_disable_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { + unformat_input_t _line_input, *line_input = &_line_input; u8 is_en = 1; + clib_error_t *error; - while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + if (!unformat_user (input, unformat_line_input, line_input)) + return clib_error_return (0, "expected enable | disable"); + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "enable")) + if (unformat (line_input, "enable")) is_en = 1; - else if (unformat (input, "disable")) + else if (unformat (line_input, "disable")) is_en = 0; 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); + unformat_free (line_input); + return error; + } } + unformat_free (line_input); return vnet_session_enable_disable (vm, is_en); }