SWITCH_DECLARE(switch_status_t) switch_ivr_menu_execute(switch_core_session_t *session, switch_ivr_menu_t *stack, char *name, void *obj) { int reps = 0, errs = 0, timeouts = 0, match = 0, running = 1; char *greeting_sound = NULL, *aptr = NULL; char arg[512]; switch_ivr_action_t todo = SWITCH_IVR_ACTION_DIE; switch_ivr_menu_action_t *ap; switch_ivr_menu_t *menu; switch_channel_t *channel; switch_status_t status = SWITCH_STATUS_SUCCESS; if (++stack->stack_count > 12) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Too many levels of recursion.\n"); switch_goto_status(SWITCH_STATUS_FALSE, end); } if (!session || !stack || zstr(name)) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Invalid menu context\n"); switch_goto_status(SWITCH_STATUS_FALSE, end); } channel = switch_core_session_get_channel(session); if (!(menu = switch_ivr_menu_find(stack, name))) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Invalid Menu!\n"); switch_goto_status(SWITCH_STATUS_FALSE, end); } if (!zstr(menu->tts_engine) && !zstr(menu->tts_voice)) { switch_channel_set_variable(channel, "tts_engine", menu->tts_engine); switch_channel_set_variable(channel, "tts_voice", menu->tts_voice); } switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Executing IVR menu %s\n", menu->name); switch_channel_set_variable(channel, "ivr_menu_status", "success"); for (reps = 0; running && status == SWITCH_STATUS_SUCCESS; reps++) { if (!switch_channel_ready(channel)) { break; } if (errs == menu->max_failures) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Maximum failures\n"); switch_channel_set_variable(channel, "ivr_menu_status", "failure"); break; } if (timeouts == menu->max_timeouts) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Maximum timeouts\n"); switch_channel_set_variable(channel, "ivr_menu_status", "timeout"); break; } if (reps > 0 && menu->short_greeting_sound) { greeting_sound = menu->short_greeting_sound; } else { greeting_sound = menu->greeting_sound; } match = 0; aptr = NULL; memset(arg, 0, sizeof(arg)); memset(menu->buf, 0, menu->inlen + 1); if (play_and_collect(session, menu, greeting_sound, menu->inlen) == SWITCH_STATUS_TIMEOUT && *menu->buf == '\0') { timeouts++; continue; } if (*menu->buf != '\0') { for (ap = menu->actions; ap; ap = ap->next) { int ok = 0; char substituted[1024]; char *use_arg = ap->arg; if (!zstr(menu->tts_engine) && !zstr(menu->tts_voice)) { switch_channel_set_variable(channel, "tts_engine", menu->tts_engine); switch_channel_set_variable(channel, "tts_voice", menu->tts_voice); } if (ap->re) { switch_regex_t *re = NULL; int ovector[30]; if ((ok = switch_regex_perform(menu->buf, ap->bind, &re, ovector, sizeof(ovector) / sizeof(ovector[0])))) { switch_perform_substitution(re, ok, ap->arg, menu->buf, substituted, sizeof(substituted), ovector); use_arg = substituted; } switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "action regex [%s] [%s] [%d]\n", menu->buf, ap->bind, ok); switch_regex_safe_free(re); } else { ok = !strcmp(menu->buf, ap->bind); } if (ok) { match++; errs = 0; if (ap->function) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "IVR function on menu '%s' matched '%s' param '%s'\n", menu->name, menu->buf, use_arg); todo = ap->function(menu, use_arg, arg, sizeof(arg), obj); aptr = arg; } else { todo = ap->ivr_action; aptr = use_arg; switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "IVR action on menu '%s' matched '%s' param '%s'\n", menu->name, menu->buf, aptr); } switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "switch_ivr_menu_execute todo=[%d]\n", todo); switch (todo) { case SWITCH_IVR_ACTION_DIE: status = SWITCH_STATUS_FALSE; break; case SWITCH_IVR_ACTION_PLAYSOUND: status = switch_ivr_play_file(session, NULL, aptr, NULL); break; case SWITCH_IVR_ACTION_EXECMENU: if (!strcmp(aptr, menu->name)) { status = SWITCH_STATUS_SUCCESS; } else { reps = -1; status = switch_ivr_menu_execute(session, stack, aptr, obj); } break; case SWITCH_IVR_ACTION_EXECAPP: { switch_application_interface_t *application_interface; char *app_name; char *app_arg = NULL; status = SWITCH_STATUS_FALSE; if (!zstr(aptr)) { app_name = switch_core_session_strdup(session, aptr); if ((app_arg = strchr(app_name, ' '))) { *app_arg++ = '\0'; } if ((application_interface = switch_loadable_module_get_application_interface(app_name))) { switch_core_session_exec(session, application_interface, app_arg); UNPROTECT_INTERFACE(application_interface); status = SWITCH_STATUS_SUCCESS; } } } break; case SWITCH_IVR_ACTION_BACK: running = 0; status = SWITCH_STATUS_SUCCESS; break; case SWITCH_IVR_ACTION_TOMAIN: switch_set_flag(stack, SWITCH_IVR_MENU_FLAG_FALLTOMAIN); status = SWITCH_STATUS_BREAK; break; case SWITCH_IVR_ACTION_NOOP: status = SWITCH_STATUS_SUCCESS; break; default: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "Invalid TODO!\n"); break; } } } if (switch_test_flag(menu, SWITCH_IVR_MENU_FLAG_STACK)) { /* top level */ if (switch_test_flag(stack, SWITCH_IVR_MENU_FLAG_FALLTOMAIN)) { /* catch the fallback and recover */ switch_clear_flag(stack, SWITCH_IVR_MENU_FLAG_FALLTOMAIN); status = SWITCH_STATUS_SUCCESS; running = 1; continue; } } } if (!match) { if (*menu->buf) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "IVR menu '%s' caught invalid input '%s'\n", menu->name, menu->buf); if (menu->invalid_sound) { play_and_collect(session, menu, menu->invalid_sound, 0); } } else { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "IVR menu '%s' no input detected\n", menu->name); } errs++; /* breaks are ok too */ if (SWITCH_STATUS_IS_BREAK(status)) { status = SWITCH_STATUS_SUCCESS; } } } if (stack->stack_count == 1) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "exit-sound '%s'\n", menu->exit_sound); if (!zstr(menu->exit_sound)) { status = play_and_collect(session, menu, menu->exit_sound, 0); } } end: stack->stack_count--; return status; }
SWITCH_DECLARE(void) IVRMenu::execute(CoreSession *session, const char *name) { this_check_void(); switch_ivr_menu_execute(session->session, menu, (char *)name, NULL); }