freeswitch/src/mod/event_handlers/mod_event_socket/mod_event_socket.c

3082 lines
86 KiB
C

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
* Seven Du <dujinfang@gmail.com>
*
*
* mod_event_socket.c -- Socket Controlled Event Handler
*
*/
#include <switch.h>
#define CMD_BUFLEN 1024 * 1000
#define MAX_QUEUE_LEN 100000
#define MAX_MISSED 500
SWITCH_MODULE_LOAD_FUNCTION(mod_event_socket_load);
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_event_socket_shutdown);
SWITCH_MODULE_RUNTIME_FUNCTION(mod_event_socket_runtime);
SWITCH_MODULE_DEFINITION(mod_event_socket, mod_event_socket_load, mod_event_socket_shutdown, mod_event_socket_runtime);
static char *MARKER = "1";
typedef enum {
LFLAG_AUTHED = (1 << 0),
LFLAG_RUNNING = (1 << 1),
LFLAG_EVENTS = (1 << 2),
LFLAG_LOG = (1 << 3),
LFLAG_FULL = (1 << 4),
LFLAG_MYEVENTS = (1 << 5),
LFLAG_SESSION = (1 << 6),
LFLAG_ASYNC = (1 << 7),
LFLAG_STATEFUL = (1 << 8),
LFLAG_OUTBOUND = (1 << 9),
LFLAG_LINGER = (1 << 10),
LFLAG_HANDLE_DISCO = (1 << 11),
LFLAG_CONNECTED = (1 << 12),
LFLAG_RESUME = (1 << 13),
LFLAG_AUTH_EVENTS = (1 << 14),
LFLAG_ALL_EVENTS_AUTHED = (1 << 15),
LFLAG_ALLOW_LOG = (1 << 16)
} event_flag_t;
typedef enum {
EVENT_FORMAT_PLAIN,
EVENT_FORMAT_XML,
EVENT_FORMAT_JSON
} event_format_t;
struct listener {
switch_socket_t *sock;
switch_queue_t *event_queue;
switch_queue_t *log_queue;
switch_memory_pool_t *pool;
event_format_t format;
switch_mutex_t *flag_mutex;
switch_mutex_t *filter_mutex;
uint32_t flags;
switch_log_level_t level;
char *ebuf;
uint8_t event_list[SWITCH_EVENT_ALL + 1];
uint8_t allowed_event_list[SWITCH_EVENT_ALL + 1];
switch_hash_t *event_hash;
switch_hash_t *allowed_event_hash;
switch_hash_t *allowed_api_hash;
switch_thread_rwlock_t *rwlock;
switch_core_session_t *session;
int lost_events;
int lost_logs;
time_t last_flush;
time_t expire_time;
uint32_t timeout;
uint32_t id;
switch_sockaddr_t *sa;
char remote_ip[50];
switch_port_t remote_port;
switch_event_t *filters;
time_t linger_timeout;
struct listener *next;
switch_pollfd_t *pollfd;
};
typedef struct listener listener_t;
static struct {
switch_mutex_t *listener_mutex;
switch_event_node_t *node;
int debug;
} globals;
static struct {
switch_socket_t *sock;
switch_mutex_t *sock_mutex;
listener_t *listeners;
uint8_t ready;
} listen_list;
#define MAX_ACL 100
static struct {
switch_mutex_t *mutex;
char *ip;
uint16_t port;
char *password;
int done;
int threads;
char *acl[MAX_ACL];
uint32_t acl_count;
uint32_t id;
int nat_map;
int stop_on_bind_error;
} prefs;
static const char *format2str(event_format_t format)
{
switch (format) {
case EVENT_FORMAT_PLAIN:
return "plain";
case EVENT_FORMAT_XML:
return "xml";
case EVENT_FORMAT_JSON:
return "json";
}
return "invalid";
}
static void remove_listener(listener_t *listener);
static void kill_listener(listener_t *l, const char *message);
static void kill_all_listeners(void);
static uint32_t next_id(void)
{
uint32_t id;
switch_mutex_lock(globals.listener_mutex);
id = ++prefs.id;
switch_mutex_unlock(globals.listener_mutex);
return id;
}
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_pref_ip, prefs.ip);
SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_pref_pass, prefs.password);
static void *SWITCH_THREAD_FUNC listener_run(switch_thread_t *thread, void *obj);
static void launch_listener_thread(listener_t *listener);
static switch_status_t socket_logger(const switch_log_node_t *node, switch_log_level_t level)
{
listener_t *l;
switch_status_t qstatus;
switch_mutex_lock(globals.listener_mutex);
for (l = listen_list.listeners; l; l = l->next) {
if (switch_test_flag(l, LFLAG_LOG) && l->level >= node->level) {
switch_log_node_t *dnode = switch_log_node_dup(node);
qstatus = switch_queue_trypush(l->log_queue, dnode);
if (qstatus == SWITCH_STATUS_SUCCESS) {
if (l->lost_logs) {
int ll = l->lost_logs;
l->lost_logs = 0;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Lost [%d] log lines! Log Queue size: [%u/%u]\n", ll, switch_queue_size(l->log_queue), MAX_QUEUE_LEN);
}
} else {
char errbuf[512] = {0};
unsigned int qsize = switch_queue_size(l->log_queue);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT,
"Log enqueue ERROR [%d] | [%s] Queue size: [%u/%u] %s\n",
(int)qstatus, switch_strerror(qstatus, errbuf, sizeof(errbuf)), qsize, MAX_QUEUE_LEN, (qsize == MAX_QUEUE_LEN)?"Max queue size reached":"");
switch_log_node_free(&dnode);
if (++l->lost_logs > MAX_MISSED) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT,
"Killing listener because of too many lost log lines. Lost [%d] Queue size [%u/%u]!\n", l->lost_logs, qsize, MAX_QUEUE_LEN);
kill_listener(l, "killed listener because of lost log lines\n");
}
}
}
}
switch_mutex_unlock(globals.listener_mutex);
return SWITCH_STATUS_SUCCESS;
}
static void flush_listener(listener_t *listener, switch_bool_t flush_log, switch_bool_t flush_events)
{
void *pop;
if (flush_log && listener->log_queue) {
while (switch_queue_trypop(listener->log_queue, &pop) == SWITCH_STATUS_SUCCESS) {
switch_log_node_t *dnode = (switch_log_node_t *) pop;
if (dnode) {
switch_log_node_free(&dnode);
}
}
}
if (flush_events && listener->event_queue) {
while (switch_queue_trypop(listener->event_queue, &pop) == SWITCH_STATUS_SUCCESS) {
switch_event_t *pevent = (switch_event_t *) pop;
if (!pop)
continue;
switch_event_destroy(&pevent);
}
}
}
static switch_status_t expire_listener(listener_t ** listener)
{
listener_t *l;
if (!listener || !*listener)
return SWITCH_STATUS_FALSE;
l = *listener;
if (!l->expire_time) {
l->expire_time = switch_epoch_time_now(NULL);
}
if (switch_thread_rwlock_trywrlock(l->rwlock) != SWITCH_STATUS_SUCCESS) {
return SWITCH_STATUS_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(l->session), SWITCH_LOG_CRIT, "Stateful Listener %u has expired\n", l->id);
flush_listener(*listener, SWITCH_TRUE, SWITCH_TRUE);
switch_core_hash_destroy(&l->event_hash);
if (l->allowed_event_hash) {
switch_core_hash_destroy(&l->allowed_event_hash);
}
if (l->allowed_api_hash) {
switch_core_hash_destroy(&l->allowed_api_hash);
}
switch_mutex_lock(l->filter_mutex);
if (l->filters) {
switch_event_destroy(&l->filters);
}
switch_mutex_unlock(l->filter_mutex);
switch_thread_rwlock_unlock(l->rwlock);
switch_core_destroy_memory_pool(&l->pool);
*listener = NULL;
return SWITCH_STATUS_SUCCESS;
}
static void event_handler(switch_event_t *event)
{
switch_event_t *clone = NULL;
listener_t *l, *lp, *last = NULL;
time_t now = switch_epoch_time_now(NULL);
switch_status_t qstatus;
switch_assert(event != NULL);
if (!listen_list.ready) {
return;
}
switch_mutex_lock(globals.listener_mutex);
lp = listen_list.listeners;
while (lp) {
int send = 0;
l = lp;
lp = lp->next;
if (switch_test_flag(l, LFLAG_STATEFUL) && (l->expire_time || (l->timeout && now - l->last_flush > l->timeout))) {
if (expire_listener(&l) == SWITCH_STATUS_SUCCESS) {
if (last) {
last->next = lp;
} else {
listen_list.listeners = lp;
}
continue;
}
}
if (l->expire_time || !switch_test_flag(l, LFLAG_EVENTS)) {
last = l;
continue;
}
if (l->event_list[SWITCH_EVENT_ALL]) {
send = 1;
} else if ((l->event_list[event->event_id])) {
if (event->event_id != SWITCH_EVENT_CUSTOM || !event->subclass_name || (switch_core_hash_find(l->event_hash, event->subclass_name))) {
send = 1;
}
}
if (send) {
switch_mutex_lock(l->filter_mutex);
if (l->filters && l->filters->headers) {
switch_event_header_t *hp;
const char *hval;
send = 0;
for (hp = l->filters->headers; hp; hp = hp->next) {
if ((hval = switch_event_get_header(event, hp->name))) {
const char *comp_to = hp->value;
int pos = 1, cmp = 0;
while (comp_to && *comp_to) {
if (*comp_to == '+') {
pos = 1;
} else if (*comp_to == '-') {
pos = 0;
} else if (*comp_to != ' ') {
break;
}
comp_to++;
}
if (send && pos) {
continue;
}
if (!comp_to) {
continue;
}
if (*hp->value == '/') {
switch_regex_t *re = NULL;
int ovector[30];
cmp = !!switch_regex_perform(hval, comp_to, &re, ovector, sizeof(ovector) / sizeof(ovector[0]));
switch_regex_safe_free(re);
} else {
cmp = !strcasecmp(hval, comp_to);
}
if (cmp) {
if (pos) {
send = 1;
} else {
send = 0;
break;
}
}
}
}
}
switch_mutex_unlock(l->filter_mutex);
}
if (send && switch_test_flag(l, LFLAG_MYEVENTS)) {
char *uuid = switch_event_get_header(event, "unique-id");
if (!uuid || (l->session && strcmp(uuid, switch_core_session_get_uuid(l->session)))) {
send = 0;
}
if (!strcmp(switch_core_session_get_uuid(l->session), switch_event_get_header_nil(event, "Job-Owner-UUID"))) {
send = 1;
}
}
if (send) {
if (switch_event_dup(&clone, event) == SWITCH_STATUS_SUCCESS) {
qstatus = switch_queue_trypush(l->event_queue, clone);
if (qstatus == SWITCH_STATUS_SUCCESS) {
if (l->lost_events) {
int le = l->lost_events;
l->lost_events = 0;
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(l->session), SWITCH_LOG_CRIT, "Lost [%d] events! Event Queue size: [%u/%u]\n", le, switch_queue_size(l->event_queue), MAX_QUEUE_LEN);
}
} else {
char errbuf[512] = {0};
unsigned int qsize = switch_queue_size(l->event_queue);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT,
"Event enqueue ERROR [%d] | [%s] | Queue size: [%u/%u] %s\n",
(int)qstatus, switch_strerror(qstatus, errbuf, sizeof(errbuf)), qsize, MAX_QUEUE_LEN, (qsize == MAX_QUEUE_LEN)?"Max queue size reached":"");
if (++l->lost_events > MAX_MISSED) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Killing listener because of too many lost events. Lost [%d] Queue size[%u/%u]\n", l->lost_events, qsize, MAX_QUEUE_LEN);
kill_listener(l, "killed listener because of lost events\n");
}
switch_event_destroy(&clone);
}
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(l->session), SWITCH_LOG_ERROR, "Memory Error!\n");
}
}
last = l;
}
switch_mutex_unlock(globals.listener_mutex);
}
SWITCH_STANDARD_APP(socket_function)
{
char *host, *port_name, *path;
switch_socket_t *new_sock = NULL;
switch_sockaddr_t *sa;
switch_port_t port = 8084;
listener_t *listener;
unsigned int argc = 0, x = 0;
char *argv[80] = { 0 };
char *hosts[50] = { 0 };
unsigned int hosts_count = 0;
switch_status_t connected = SWITCH_STATUS_FALSE;
char *mydata;
switch_channel_t *channel = NULL;
char errbuf[512] = {0};
channel = switch_core_session_get_channel(session);
if (data && (mydata = switch_core_session_strdup(session, data))) {
argc = switch_separate_string(mydata, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
}
if (argc < 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Parse Error!\n");
return;
}
hosts_count = switch_split(argv[0], '|', hosts);
for(x = 0; x < hosts_count; x++) {
host = hosts[x];
if (zstr(host)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Missing Host!\n");
continue;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Trying host: %s\n", host);
if ((port_name = strrchr(host, ':'))) {
*port_name++ = '\0';
port = (switch_port_t) atoi(port_name);
}
if ((path = strchr((port_name ? port_name : host), '/'))) {
*path++ = '\0';
switch_channel_set_variable(channel, "socket_path", path);
}
switch_channel_set_variable(channel, "socket_host", host);
if (switch_sockaddr_info_get(&sa, host, SWITCH_UNSPEC, port, 0, switch_core_session_get_pool(session)) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket Error!\n");
continue;
}
if (switch_socket_create(&new_sock, switch_sockaddr_get_family(sa), SOCK_STREAM, SWITCH_PROTO_TCP, switch_core_session_get_pool(session))
!= SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket Error!\n");
continue;
}
switch_socket_opt_set(new_sock, SWITCH_SO_KEEPALIVE, 1);
switch_socket_opt_set(new_sock, SWITCH_SO_TCP_NODELAY, 1);
switch_socket_opt_set(new_sock, SWITCH_SO_TCP_KEEPIDLE, 30);
switch_socket_opt_set(new_sock, SWITCH_SO_TCP_KEEPINTVL, 30);
if ((connected = switch_socket_connect(new_sock, sa)) == SWITCH_STATUS_SUCCESS) {
break;
}
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket Error: %s\n", switch_strerror(errno, errbuf, sizeof(errbuf)));
}//end hosts loop
if (connected != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Socket Error!\n");
return;
}
if (!(listener = switch_core_session_alloc(session, sizeof(*listener)))) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Memory Error\n");
return;
}
switch_thread_rwlock_create(&listener->rwlock, switch_core_session_get_pool(session));
switch_queue_create(&listener->event_queue, MAX_QUEUE_LEN, switch_core_session_get_pool(session));
switch_queue_create(&listener->log_queue, MAX_QUEUE_LEN, switch_core_session_get_pool(session));
listener->sock = new_sock;
listener->pool = switch_core_session_get_pool(session);
listener->format = EVENT_FORMAT_PLAIN;
listener->session = session;
switch_set_flag(listener, LFLAG_ALLOW_LOG);
switch_socket_create_pollset(&listener->pollfd, listener->sock, SWITCH_POLLIN | SWITCH_POLLERR, listener->pool);
switch_mutex_init(&listener->flag_mutex, SWITCH_MUTEX_NESTED, listener->pool);
switch_mutex_init(&listener->filter_mutex, SWITCH_MUTEX_NESTED, listener->pool);
switch_core_hash_init(&listener->event_hash);
switch_set_flag(listener, LFLAG_AUTHED);
switch_set_flag(listener, LFLAG_OUTBOUND);
for (x = 1; x < argc; x++) {
if (argv[x] && !strcasecmp(argv[x], "full")) {
switch_set_flag(listener, LFLAG_FULL);
} else if (argv[x] && !strcasecmp(argv[x], "async")) {
switch_set_flag(listener, LFLAG_ASYNC);
}
}
if (switch_test_flag(listener, LFLAG_ASYNC)) {
const char *var;
launch_listener_thread(listener);
while (switch_channel_ready(channel) && !switch_test_flag(listener, LFLAG_CONNECTED)) {
switch_cond_next();
}
switch_ivr_park(session, NULL);
switch_ivr_parse_all_events(session);
if (switch_channel_get_state(channel) != CS_HIBERNATE &&
!switch_channel_test_flag(channel, CF_REDIRECT) && !switch_channel_test_flag(channel, CF_TRANSFER) && !switch_channel_test_flag(channel, CF_RESET)
&& (switch_test_flag(listener, LFLAG_RESUME) || ((var = switch_channel_get_variable(channel, "socket_resume")) && switch_true(var)))) {
switch_channel_set_state(channel, CS_EXECUTE);
}
return;
} else {
listener_run(NULL, (void *) listener);
}
if (switch_channel_down(channel)) {
while (switch_test_flag(listener, LFLAG_SESSION)) {
switch_yield(100000);
}
}
}
static void close_socket(switch_socket_t ** sock)
{
switch_mutex_lock(listen_list.sock_mutex);
if (*sock) {
switch_socket_shutdown(*sock, SWITCH_SHUTDOWN_READWRITE);
switch_socket_close(*sock);
*sock = NULL;
}
switch_mutex_unlock(listen_list.sock_mutex);
}
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_event_socket_shutdown)
{
int sanity = 0;
prefs.done = 1;
kill_all_listeners();
switch_log_unbind_logger(socket_logger);
close_socket(&listen_list.sock);
while (prefs.threads) {
switch_yield(100000);
kill_all_listeners();
if (++sanity >= 200) {
break;
}
}
switch_event_unbind(&globals.node);
switch_safe_free(prefs.ip);
switch_safe_free(prefs.password);
return SWITCH_STATUS_SUCCESS;
}
static void add_listener(listener_t *listener)
{
/* add me to the listeners so I get events */
switch_mutex_lock(globals.listener_mutex);
listener->next = listen_list.listeners;
listen_list.listeners = listener;
switch_mutex_unlock(globals.listener_mutex);
}
static void remove_listener(listener_t *listener)
{
listener_t *l, *last = NULL;
switch_mutex_lock(globals.listener_mutex);
for (l = listen_list.listeners; l; l = l->next) {
if (l == listener) {
if (last) {
last->next = l->next;
} else {
listen_list.listeners = l->next;
}
}
last = l;
}
switch_mutex_unlock(globals.listener_mutex);
}
static void send_disconnect(listener_t *listener, const char *message)
{
char disco_buf[512] = "";
switch_size_t len, mlen;
if (zstr(message)) {
message = "Disconnected.\n";
}
mlen = strlen(message);
if (listener->session) {
switch_snprintf(disco_buf, sizeof(disco_buf), "Content-Type: text/disconnect-notice\n"
"Controlled-Session-UUID: %s\n"
"Content-Disposition: disconnect\n" "Content-Length: %d\n\n", switch_core_session_get_uuid(listener->session), (int)mlen);
} else {
switch_snprintf(disco_buf, sizeof(disco_buf), "Content-Type: text/disconnect-notice\nContent-Length: %d\n\n", (int)mlen);
}
if (!listener->sock) return;
len = strlen(disco_buf);
switch_socket_send(listener->sock, disco_buf, &len);
if (len > 0) {
len = mlen;
switch_socket_send(listener->sock, message, &len);
}
}
static void kill_listener(listener_t *l, const char *message)
{
if (message) {
send_disconnect(l, message);
}
switch_clear_flag(l, LFLAG_RUNNING);
if (l->sock) {
switch_socket_shutdown(l->sock, SWITCH_SHUTDOWN_READWRITE);
switch_socket_close(l->sock);
}
}
static void kill_all_listeners(void)
{
listener_t *l;
switch_mutex_lock(globals.listener_mutex);
for (l = listen_list.listeners; l; l = l->next) {
kill_listener(l, "The system is being shut down.\n");
}
switch_mutex_unlock(globals.listener_mutex);
}
static listener_t *find_listener(uint32_t id)
{
listener_t *l, *r = NULL;
switch_mutex_lock(globals.listener_mutex);
for (l = listen_list.listeners; l; l = l->next) {
if (l->id && l->id == id && !l->expire_time) {
if (switch_thread_rwlock_tryrdlock(l->rwlock) == SWITCH_STATUS_SUCCESS) {
r = l;
}
break;
}
}
switch_mutex_unlock(globals.listener_mutex);
return r;
}
static void strip_cr(char *s)
{
char *p;
if ((p = strchr(s, '\r')) || (p = strchr(s, '\n'))) {
*p = '\0';
}
}
static void xmlize_listener(listener_t *listener, switch_stream_handle_t *stream)
{
stream->write_function(stream, " <listener>\n");
stream->write_function(stream, " <listen-id>%u</listen-id>\n", listener->id);
stream->write_function(stream, " <format>%s</format>\n", format2str(listener->format));
stream->write_function(stream, " <timeout>%u</timeout>\n", listener->timeout);
stream->write_function(stream, " </listener>\n");
}
SWITCH_STANDARD_API(event_sink_function)
{
char *http = NULL;
char *wcmd = NULL;
char *format = NULL;
listener_t *listener = NULL;
if (stream->param_event) {
http = switch_event_get_header(stream->param_event, "http-host");
wcmd = switch_event_get_header(stream->param_event, "command");
format = switch_event_get_header(stream->param_event, "format");
}
if (!http) {
stream->write_function(stream, "This is a web application!\n");
return SWITCH_STATUS_SUCCESS;
}
if (!format) {
format = "xml";
}
if (switch_stristr("json", format)) {
stream->write_function(stream, "Content-Type: application/json\n\n");
} else {
stream->write_function(stream, "Content-Type: text/xml\n\n");
stream->write_function(stream, "<?xml version=\"1.0\"?>\n");
stream->write_function(stream, "<root>\n");
}
if (!wcmd) {
stream->write_function(stream, "<data><reply type=\"error\">Missing command parameter!</reply></data>\n");
goto end;
}
if (!strcasecmp(wcmd, "filter")) {
char *action = switch_event_get_header(stream->param_event, "action");
char *header_name = switch_event_get_header(stream->param_event, "header-name");
char *header_val = switch_event_get_header(stream->param_event, "header-val");
char *id = switch_event_get_header(stream->param_event, "listen-id");
uint32_t idl = 0;
if (id) {
idl = (uint32_t) atol(id);
}
if (!(listener = find_listener(idl))) {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Listen-ID</reply></data>\n");
goto end;
}
if (zstr(action)) {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Syntax</reply></data>\n");
goto end;
}
switch_mutex_lock(listener->filter_mutex);
if (!listener->filters) {
switch_event_create_plain(&listener->filters, SWITCH_EVENT_CLONE);
}
if (!strcasecmp(action, "delete")) {
if (zstr(header_val)) {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Syntax</reply></data>\n");
goto filter_end;
}
if (!strcasecmp(header_val, "all")) {
switch_event_destroy(&listener->filters);
switch_event_create_plain(&listener->filters, SWITCH_EVENT_CLONE);
} else {
switch_event_del_header(listener->filters, header_val);
}
stream->write_function(stream, "<data>\n <reply type=\"success\">filter deleted.</reply>\n<api-command>\n");
} else if (!strcasecmp(action, "add")) {
if (zstr(header_name) || zstr(header_val)) {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Syntax</reply></data>\n");
goto filter_end;
}
switch_event_add_header_string(listener->filters, SWITCH_STACK_BOTTOM, header_name, header_val);
stream->write_function(stream, "<data>\n <reply type=\"success\">filter added.</reply>\n<api-command>\n");
} else {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Syntax</reply></data>\n");
}
filter_end:
switch_mutex_unlock(listener->filter_mutex);
} else if (!strcasecmp(wcmd, "stop-logging")) {
char *id = switch_event_get_header(stream->param_event, "listen-id");
uint32_t idl = 0;
if (id) {
idl = (uint32_t) atol(id);
}
if (!(listener = find_listener(idl))) {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Listen-ID</reply></data>\n");
goto end;
}
if (switch_test_flag(listener, LFLAG_LOG)) {
switch_clear_flag_locked(listener, LFLAG_LOG);
stream->write_function(stream, "<data><reply type=\"success\">Not Logging</reply></data>\n");
} else {
stream->write_function(stream, "<data><reply type=\"error\">Not Logging</reply></data>\n");
}
goto end;
} else if (!strcasecmp(wcmd, "set-loglevel")) {
char *loglevel = switch_event_get_header(stream->param_event, "loglevel");
char *id = switch_event_get_header(stream->param_event, "listen-id");
uint32_t idl = 0;
if (id) {
idl = (uint32_t) atol(id);
}
if (!(listener = find_listener(idl))) {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Listen-ID</reply></data>\n");
goto end;
}
if (loglevel) {
switch_log_level_t ltype = switch_log_str2level(loglevel);
if (ltype != SWITCH_LOG_INVALID) {
listener->level = ltype;
switch_set_flag(listener, LFLAG_LOG);
stream->write_function(stream, "<data><reply type=\"success\">Log Level %s</reply></data>\n", loglevel);
} else {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Level</reply></data>\n");
}
} else {
stream->write_function(stream, "<data><reply type=\"error\">Invalid Syntax</reply></data>\n");
}
goto end;
} else if (!strcasecmp(wcmd, "create-listener")) {
char *events = switch_event_get_header(stream->param_event, "events");
char *loglevel = switch_event_get_header(stream->param_event, "loglevel");
switch_memory_pool_t *pool;
char *next, *cur;
uint32_t count = 0, key_count = 0;
uint8_t custom = 0;
char *edup;
if (zstr(events) && zstr(loglevel)) {
if (switch_stristr("json", format)) {
stream->write_function(stream, "{\"reply\": \"error\", \"reply_text\":\"Missing parameter!\"}");
} else {
stream->write_function(stream, "<data><reply type=\"error\">Missing parameter!</reply></data>\n");
}
goto end;
}
switch_core_new_memory_pool(&pool);
listener = switch_core_alloc(pool, sizeof(*listener));
listener->pool = pool;
listener->format = EVENT_FORMAT_PLAIN;
switch_mutex_init(&listener->flag_mutex, SWITCH_MUTEX_NESTED, listener->pool);
switch_mutex_init(&listener->filter_mutex, SWITCH_MUTEX_NESTED, listener->pool);
switch_core_hash_init(&listener->event_hash);
switch_set_flag(listener, LFLAG_AUTHED);
switch_set_flag(listener, LFLAG_STATEFUL);
switch_set_flag(listener, LFLAG_ALLOW_LOG);
switch_queue_create(&listener->event_queue, MAX_QUEUE_LEN, listener->pool);
switch_queue_create(&listener->log_queue, MAX_QUEUE_LEN, listener->pool);
if (loglevel) {
switch_log_level_t ltype = switch_log_str2level(loglevel);
if (ltype != SWITCH_LOG_INVALID) {
listener->level = ltype;
switch_set_flag(listener, LFLAG_LOG);
}
}
switch_thread_rwlock_create(&listener->rwlock, listener->pool);
listener->id = next_id();
listener->timeout = 60;
listener->last_flush = switch_epoch_time_now(NULL);
if (events) {
char delim = ',';
if (switch_stristr("xml", format)) {
listener->format = EVENT_FORMAT_XML;
} else if (switch_stristr("json", format)) {
listener->format = EVENT_FORMAT_JSON;
} else {
listener->format = EVENT_FORMAT_PLAIN;
}
edup = strdup(events);
switch_assert(edup);
if (strchr(edup, ' ')) {
delim = ' ';
}
for (cur = edup; cur; count++) {
switch_event_types_t type;
if ((next = strchr(cur, delim))) {
*next++ = '\0';
}
if (custom) {
switch_core_hash_insert(listener->event_hash, cur, MARKER);
} else if (switch_name_event(cur, &type) == SWITCH_STATUS_SUCCESS) {
key_count++;
if (type == SWITCH_EVENT_ALL) {
uint32_t x = 0;
for (x = 0; x < SWITCH_EVENT_ALL; x++) {
listener->event_list[x] = 1;
}
}
if (type <= SWITCH_EVENT_ALL) {
listener->event_list[type] = 1;
}
if (type == SWITCH_EVENT_CUSTOM) {
custom++;
}
}
cur = next;
}
switch_safe_free(edup);
if (!key_count) {
switch_core_hash_destroy(&listener->event_hash);
switch_core_destroy_memory_pool(&listener->pool);
if (listener->format == EVENT_FORMAT_JSON) {
stream->write_function(stream, "{\"reply\": \"error\", \"reply_text\":\"No keywords supplied\"}");
} else {
stream->write_function(stream, "<data><reply type=\"error\">No keywords supplied</reply></data>\n");
}
goto end;
}
}
switch_set_flag_locked(listener, LFLAG_EVENTS);
add_listener(listener);
if (listener->format == EVENT_FORMAT_JSON) {
cJSON *cj, *cjlistener;
char *p;
cj = cJSON_CreateObject();
cjlistener = cJSON_CreateObject();
cJSON_AddNumberToObject(cjlistener, "listen-id", listener->id);
cJSON_AddItemToObject(cjlistener, "format", cJSON_CreateString(format2str(listener->format)));
cJSON_AddNumberToObject(cjlistener, "timeout", listener->timeout);
cJSON_AddItemToObject(cj, "listener", cjlistener);
p = cJSON_Print(cj);
stream->write_function(stream, p);
switch_safe_free(p);
cJSON_Delete(cj);
} else {
stream->write_function(stream, "<data>\n");
stream->write_function(stream, " <reply type=\"success\">Listener %u Created</reply>\n", listener->id);
xmlize_listener(listener, stream);
stream->write_function(stream, "</data>\n");
}
if (globals.debug > 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Creating event-sink listener [%u]\n", listener->id);
}
goto end;
} else if (!strcasecmp(wcmd, "destroy-listener")) {
char *id = switch_event_get_header(stream->param_event, "listen-id");
uint32_t idl = 0;
if (id) {
idl = (uint32_t) atol(id);
}
if ((listener = find_listener(idl))) {
if (globals.debug > 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Destroying event-sink listener [%u]\n", idl);
}
stream->write_function(stream, "<data>\n <reply type=\"success\">listener %u destroyed</reply>\n", listener->id);
xmlize_listener(listener, stream);
stream->write_function(stream, "</data>\n");
listener->expire_time = switch_epoch_time_now(NULL);
goto end;
} else {
if (globals.debug > 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Request to destroy unknown event-sink listener [%u]\n", idl);
}
stream->write_function(stream, "<data><reply type=\"error\">Can't find listener</reply></data>\n");
goto end;
}
} else if (!strcasecmp(wcmd, "check-listener")) {
char *id = switch_event_get_header(stream->param_event, "listen-id");
uint32_t idl = 0;
void *pop;
switch_event_t *pevent = NULL;
cJSON *cj = NULL, *cjevents = NULL;
if (id) {
idl = (uint32_t) atol(id);
}
if (!(listener = find_listener(idl))) {
if (switch_stristr("json", format)) {
stream->write_function(stream, "{\"reply\": \"error\", \"reply_text\":\"Can't find listener\"}");
} else {
stream->write_function(stream, "<data><reply type=\"error\">Can't find listener</reply></data>\n");
}
goto end;
}
listener->last_flush = switch_epoch_time_now(NULL);
if (listener->format == EVENT_FORMAT_JSON) {
cJSON *cjlistener;
cj = cJSON_CreateObject();
cjlistener = cJSON_CreateObject();
cJSON_AddNumberToObject(cjlistener, "listen-id", listener->id);
cJSON_AddItemToObject(cjlistener, "format", cJSON_CreateString(format2str(listener->format)));
cJSON_AddNumberToObject(cjlistener, "timeout", listener->timeout);
cJSON_AddItemToObject(cj, "listener", cjlistener);
} else {
stream->write_function(stream, "<data>\n <reply type=\"success\">Current Events Follow</reply>\n");
xmlize_listener(listener, stream);
}
if (switch_test_flag(listener, LFLAG_LOG)) {
stream->write_function(stream, "<log_data>\n");
while (switch_queue_trypop(listener->log_queue, &pop) == SWITCH_STATUS_SUCCESS) {
switch_log_node_t *dnode = (switch_log_node_t *) pop;
size_t encode_len = (strlen(dnode->data) * 3) + 1;
char *encode_buf = malloc(encode_len);
switch_assert(encode_buf);
memset(encode_buf, 0, encode_len);
switch_url_encode((char *) dnode->data, encode_buf, encode_len);
stream->write_function(stream,
"<log log-level=\"%d\" text-channel=\"%d\" log-file=\"%s\" log-func=\"%s\" log-line=\"%d\" user-data=\"%s\">%s</log>\n",
dnode->level, dnode->channel, dnode->file, dnode->func, dnode->line, switch_str_nil(dnode->userdata), encode_buf);
free(encode_buf);
switch_log_node_free(&dnode);
}
stream->write_function(stream, "</log_data>\n");
}
if (listener->format == EVENT_FORMAT_JSON) {
cjevents = cJSON_CreateArray();
} else {
stream->write_function(stream, "<events>\n");
}
while (switch_queue_trypop(listener->event_queue, &pop) == SWITCH_STATUS_SUCCESS) {
//char *etype;
pevent = (switch_event_t *) pop;
if (listener->format == EVENT_FORMAT_PLAIN) {
//etype = "plain";
switch_event_serialize(pevent, &listener->ebuf, SWITCH_TRUE);
stream->write_function(stream, "<event type=\"plain\">\n%s</event>", listener->ebuf);
} else if (listener->format == EVENT_FORMAT_JSON) {
//etype = "json";
cJSON *cjevent = NULL;
switch_event_serialize_json_obj(pevent, &cjevent);
cJSON_AddItemToArray(cjevents, cjevent);
} else {
switch_xml_t xml;
//etype = "xml";
if ((xml = switch_event_xmlize(pevent, SWITCH_VA_NONE))) {
listener->ebuf = switch_xml_toxml(xml, SWITCH_FALSE);
switch_xml_free(xml);
} else {
stream->write_function(stream, "<data><reply type=\"error\">XML Render Error</reply></data>\n");
break;
}
stream->write_function(stream, "%s\n", listener->ebuf);
}
switch_safe_free(listener->ebuf);
switch_event_destroy(&pevent);
}
if (listener->format == EVENT_FORMAT_JSON) {
char *p = "{}";
cJSON_AddItemToObject(cj, "events", cjevents);
p = cJSON_Print(cj);
if (cj && p) stream->write_function(stream, p);
switch_safe_free(p);
cJSON_Delete(cj);
cj = NULL;
} else {
stream->write_function(stream, " </events>\n</data>\n");
}
if (pevent) {
switch_event_destroy(&pevent);
}
switch_thread_rwlock_unlock(listener->rwlock);
} else if (!strcasecmp(wcmd, "exec-fsapi")) {
char *api_command = switch_event_get_header(stream->param_event, "fsapi-command");
char *api_args = switch_event_get_header(stream->param_event, "fsapi-args");
switch_event_t *event, *oevent;
if (!(api_command)) {
stream->write_function(stream, "<data><reply type=\"error\">INVALID API COMMAND!</reply></data>\n");
goto end;
}
stream->write_function(stream, "<data>\n <reply type=\"success\">Execute API Command</reply>\n<api-command>\n");
switch_event_create(&event, SWITCH_EVENT_REQUEST_PARAMS);
oevent = stream->param_event;
stream->param_event = event;
if (!strcasecmp(api_command, "unload") && !strcasecmp(api_args, "mod_event_socket")) {
api_command = "bgapi";
api_args = "unload mod_event_socket";
} else if (!strcasecmp(api_command, "reload") && !strcasecmp(api_args, "mod_event_socket")) {
api_command = "bgapi";
api_args = "reload mod_event_socket";
}
switch_api_execute(api_command, api_args, NULL, stream);
stream->param_event = oevent;
stream->write_function(stream, " </api-command>\n</data>");
} else {
stream->write_function(stream, "<data><reply type=\"error\">INVALID COMMAND!</reply></data\n");
}
end:
if (switch_stristr("json", format)) {
} else {
stream->write_function(stream, "</root>\n\n");
}
return SWITCH_STATUS_SUCCESS;
}
SWITCH_MODULE_LOAD_FUNCTION(mod_event_socket_load)
{
switch_application_interface_t *app_interface;
switch_api_interface_t *api_interface;
memset(&globals, 0, sizeof(globals));
switch_mutex_init(&globals.listener_mutex, SWITCH_MUTEX_NESTED, pool);
memset(&listen_list, 0, sizeof(listen_list));
switch_mutex_init(&listen_list.sock_mutex, SWITCH_MUTEX_NESTED, pool);
if (switch_event_bind_removable(modname, SWITCH_EVENT_ALL, SWITCH_EVENT_SUBCLASS_ANY, event_handler, NULL, &globals.node) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind!\n");
return SWITCH_STATUS_GENERR;
}
switch_log_bind_logger(socket_logger, SWITCH_LOG_DEBUG, SWITCH_FALSE);
/* connect my internal structure to the blank pointer passed to me */
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
SWITCH_ADD_APP(app_interface, "socket", "Connect to a socket", "Connect to a socket", socket_function, "<ip>[:<port>]", SAF_SUPPORT_NOMEDIA);
SWITCH_ADD_API(api_interface, "event_sink", "event_sink", event_sink_function, "<web data>");
/* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t read_packet(listener_t *listener, switch_event_t **event, uint32_t timeout)
{
switch_size_t mlen, bytes = 0;
char *mbuf = NULL;
char buf[1024] = "";
switch_size_t len;
switch_status_t status = SWITCH_STATUS_SUCCESS;
int count = 0;
uint32_t elapsed = 0;
time_t start = 0;
void *pop;
char *ptr;
uint8_t crcount = 0;
uint32_t max_len = 10485760, block_len = 2048, buf_len = 0;
switch_channel_t *channel = NULL;
int clen = 0;
*event = NULL;
if (prefs.done) {
switch_goto_status(SWITCH_STATUS_FALSE, end);
}
switch_zmalloc(mbuf, block_len);
switch_assert(mbuf);
buf_len = block_len;
start = switch_epoch_time_now(NULL);
ptr = mbuf;
if (listener->session) {
channel = switch_core_session_get_channel(listener->session);
}
while (listener->sock && !prefs.done) {
uint8_t do_sleep = 1;
mlen = 1;
if (bytes == buf_len - 1) {
char *tmp;
int pos;
pos = (int)(ptr - mbuf);
buf_len += block_len;
tmp = realloc(mbuf, buf_len);
switch_assert(tmp);
mbuf = tmp;
memset(mbuf + bytes, 0, buf_len - bytes);
ptr = (mbuf + pos);
}
status = switch_socket_recv(listener->sock, ptr, &mlen);
if (prefs.done || (!SWITCH_STATUS_IS_BREAK(status) && status != SWITCH_STATUS_SUCCESS)) {
switch_goto_status(SWITCH_STATUS_FALSE, end);
}
if (mlen) {
bytes += mlen;
do_sleep = 0;
if (*mbuf == '\r' || *mbuf == '\n') { /* bah */
ptr = mbuf;
mbuf[0] = '\0';
bytes = 0;
continue;
}
if (*ptr == '\n') {
crcount++;
} else if (*ptr != '\r') {
crcount = 0;
}
ptr++;
if (bytes >= max_len) {
crcount = 2;
}
if (crcount == 2) {
char *next;
char *cur = mbuf;
while (cur) {
if ((next = strchr(cur, '\r')) || (next = strchr(cur, '\n'))) {
while (*next == '\r' || *next == '\n') {
next++;
}
}
count++;
if (count == 1) {
switch_event_create(event, SWITCH_EVENT_CLONE);
switch_event_add_header_string(*event, SWITCH_STACK_BOTTOM, "Command", mbuf);
} else if (cur) {
char *var, *val;
var = cur;
strip_cr(var);
if (!zstr(var)) {
if ((val = strchr(var, ':'))) {
*val++ = '\0';
while (*val == ' ') {
val++;
}
}
if (val) {
switch_event_add_header_string(*event, SWITCH_STACK_BOTTOM, var, val);
if (!strcasecmp(var, "content-length")) {
clen = atoi(val);
if (clen > 0) {
char *body;
char *p;
switch_zmalloc(body, clen + 1);
p = body;
while (clen > 0) {
mlen = clen;
status = switch_socket_recv(listener->sock, p, &mlen);
if (prefs.done || (!SWITCH_STATUS_IS_BREAK(status) && status != SWITCH_STATUS_SUCCESS)) {
free(body);
switch_goto_status(SWITCH_STATUS_FALSE, end);
}
/*
if (channel && !switch_channel_ready(channel)) {
status = SWITCH_STATUS_FALSE;
break;
}
*/
clen -= (int) mlen;
p += mlen;
}
switch_event_add_body(*event, "%s", body);
free(body);
}
}
}
}
}
cur = next;
}
break;
}
}
if (timeout) {
elapsed = (uint32_t) (switch_epoch_time_now(NULL) - start);
if (elapsed >= timeout) {
switch_clear_flag_locked(listener, LFLAG_RUNNING);
switch_goto_status(SWITCH_STATUS_FALSE, end);
}
}
if (!*mbuf) {
if (switch_test_flag(listener, LFLAG_LOG)) {
if (switch_queue_trypop(listener->log_queue, &pop) == SWITCH_STATUS_SUCCESS) {
switch_log_node_t *dnode = (switch_log_node_t *) pop;
if (dnode->data) {
switch_snprintf(buf, sizeof(buf),
"Content-Type: log/data\n"
"Content-Length: %" SWITCH_SSIZE_T_FMT "\n"
"Log-Level: %d\n"
"Text-Channel: %d\n"
"Log-File: %s\n"
"Log-Func: %s\n"
"Log-Line: %d\n"
"User-Data: %s\n"
"\n",
strlen(dnode->data),
dnode->level, dnode->channel, dnode->file, dnode->func, dnode->line, switch_str_nil(dnode->userdata)
);
len = strlen(buf);
switch_socket_send(listener->sock, buf, &len);
len = strlen(dnode->data);
switch_socket_send(listener->sock, dnode->data, &len);
}
switch_log_node_free(&dnode);
do_sleep = 0;
}
}
if (listener->session) {
switch_channel_t *chan = switch_core_session_get_channel(listener->session);
if (switch_channel_get_state(chan) < CS_HANGUP && switch_channel_test_flag(chan, CF_DIVERT_EVENTS)) {
switch_event_t *e = NULL;
while (switch_core_session_dequeue_event(listener->session, &e, SWITCH_TRUE) == SWITCH_STATUS_SUCCESS) {
if (switch_queue_trypush(listener->event_queue, e) != SWITCH_STATUS_SUCCESS) {
switch_core_session_queue_event(listener->session, &e);
break;
}
}
}
}
if (switch_test_flag(listener, LFLAG_EVENTS)) {
while (switch_queue_trypop(listener->event_queue, &pop) == SWITCH_STATUS_SUCCESS) {
char hbuf[512];
switch_event_t *pevent = (switch_event_t *) pop;
char *etype;
do_sleep = 0;
if (listener->format == EVENT_FORMAT_PLAIN) {
etype = "plain";
switch_event_serialize(pevent, &listener->ebuf, SWITCH_TRUE);
} else if (listener->format == EVENT_FORMAT_JSON) {
etype = "json";
switch_event_serialize_json(pevent, &listener->ebuf);
} else {
switch_xml_t xml;
etype = "xml";
if ((xml = switch_event_xmlize(pevent, SWITCH_VA_NONE))) {
listener->ebuf = switch_xml_toxml(xml, SWITCH_FALSE);
switch_xml_free(xml);
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(listener->session), SWITCH_LOG_ERROR, "XML ERROR!\n");
goto endloop;
}
}
switch_assert(listener->ebuf);
len = strlen(listener->ebuf);
switch_snprintf(hbuf, sizeof(hbuf), "Content-Length: %" SWITCH_SSIZE_T_FMT "\n" "Content-Type: text/event-%s\n" "\n", len, etype);
len = strlen(hbuf);
switch_socket_send(listener->sock, hbuf, &len);
len = strlen(listener->ebuf);
switch_socket_send(listener->sock, listener->ebuf, &len);
switch_safe_free(listener->ebuf);
endloop:
switch_event_destroy(&pevent);
}
}
}
if (switch_test_flag(listener, LFLAG_HANDLE_DISCO) &&
listener->linger_timeout != (time_t) -1 && switch_epoch_time_now(NULL) > listener->linger_timeout) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(listener->session), SWITCH_LOG_DEBUG, "linger timeout, closing socket\n");
status = SWITCH_STATUS_FALSE;
break;
}
if (channel && switch_channel_down(channel) && !switch_test_flag(listener, LFLAG_HANDLE_DISCO)) {
switch_set_flag_locked(listener, LFLAG_HANDLE_DISCO);
if (switch_test_flag(listener, LFLAG_LINGER)) {
char disco_buf[512] = "";
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(listener->session), SWITCH_LOG_DEBUG, "%s Socket Linger %d\n",
switch_channel_get_name(channel), (int)listener->linger_timeout);
switch_snprintf(disco_buf, sizeof(disco_buf), "Content-Type: text/disconnect-notice\n"
"Controlled-Session-UUID: %s\n"
"Content-Disposition: linger\n"
"Channel-Name: %s\n"
"Linger-Time: %d\n"
"Content-Length: 0\n\n",
switch_core_session_get_uuid(listener->session), switch_channel_get_name(channel), (int)listener->linger_timeout);
if (listener->linger_timeout != (time_t) -1) {
listener->linger_timeout += switch_epoch_time_now(NULL);
}
len = strlen(disco_buf);
switch_socket_send(listener->sock, disco_buf, &len);
} else {
status = SWITCH_STATUS_FALSE;
break;
}
}
if (do_sleep) {
int fdr = 0;
switch_poll(listener->pollfd, 1, &fdr, 20000);
} else {
switch_os_yield();
}
}
end:
switch_safe_free(mbuf);
return status;
}
struct api_command_struct {
char *api_cmd;
char *arg;
listener_t *listener;
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
int bg;
char bg_owner_uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
int ack;
int console_execute;
switch_memory_pool_t *pool;
};
static void *SWITCH_THREAD_FUNC api_exec(switch_thread_t *thread, void *obj)
{
struct api_command_struct *acs = (struct api_command_struct *) obj;
switch_stream_handle_t stream = { 0 };
char *reply, *freply = NULL;
switch_status_t status;
switch_mutex_lock(globals.listener_mutex);
prefs.threads++;
switch_mutex_unlock(globals.listener_mutex);
if (!acs) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Internal error.\n");
goto cleanup;
}
if (!acs->listener || !switch_test_flag(acs->listener, LFLAG_RUNNING) ||
!acs->listener->rwlock || switch_thread_rwlock_tryrdlock(acs->listener->rwlock) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error! cannot get read lock.\n");
acs->ack = -1;
goto done;
}
acs->ack = 1;
SWITCH_STANDARD_STREAM(stream);
if (acs->console_execute) {
if ((status = switch_console_execute(acs->api_cmd, 0, &stream)) != SWITCH_STATUS_SUCCESS) {
stream.write_function(&stream, "-ERR %s Command not found!\n", acs->api_cmd);
}
} else {
status = switch_api_execute(acs->api_cmd, acs->arg, NULL, &stream);
}
if (status == SWITCH_STATUS_SUCCESS) {
reply = stream.data;
} else {
freply = switch_mprintf("-ERR %s Command not found!\n", acs->api_cmd);
reply = freply;
}
if (!reply) {
reply = "Command returned no output!";
}
if (acs->bg) {
switch_event_t *event;
if (switch_event_create(&event, SWITCH_EVENT_BACKGROUND_JOB) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Job-UUID", acs->uuid_str);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Job-Owner-UUID", acs->bg_owner_uuid_str);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Job-Command", acs->api_cmd);
if (acs->arg) {
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Job-Command-Arg", acs->arg);
}
switch_event_add_body(event, "%s", reply);
switch_event_fire(&event);
}
} else {
switch_size_t rlen, blen;
char buf[1024] = "";
if (!(rlen = strlen(reply))) {
reply = "-ERR no reply\n";
rlen = strlen(reply);
}
switch_snprintf(buf, sizeof(buf), "Content-Type: api/response\nContent-Length: %" SWITCH_SSIZE_T_FMT "\n\n", rlen);
blen = strlen(buf);
switch_socket_send(acs->listener->sock, buf, &blen);
switch_socket_send(acs->listener->sock, reply, &rlen);
}
switch_safe_free(stream.data);
switch_safe_free(freply);
switch_thread_rwlock_unlock(acs->listener->rwlock);
done:
if (acs->bg) {
switch_memory_pool_t *pool = acs->pool;
if (acs->ack == -1) {
int sanity = 2000;
while (acs->ack == -1) {
switch_cond_next();
if (--sanity <= 0)
break;
}
}
acs = NULL;
switch_core_destroy_memory_pool(&pool);
pool = NULL;
}
cleanup:
switch_mutex_lock(globals.listener_mutex);
prefs.threads--;
switch_mutex_unlock(globals.listener_mutex);
return NULL;
}
static switch_bool_t auth_api_command(listener_t *listener, const char *api_cmd, const char *arg)
{
const char *check_cmd = api_cmd;
char *sneaky_commands[] = { "bgapi", "sched_api", "eval", "expand", "xml_wrap", NULL };
int x = 0;
char *dup_arg = NULL;
char *next = NULL;
switch_bool_t ok = SWITCH_TRUE;
top:
if (!switch_core_hash_find(listener->allowed_api_hash, check_cmd)) {
ok = SWITCH_FALSE;
goto end;
}
while (check_cmd) {
for (x = 0; sneaky_commands[x]; x++) {
if (!strcasecmp(sneaky_commands[x], check_cmd)) {
if (check_cmd == api_cmd) {
if (arg) {
switch_safe_free(dup_arg);
dup_arg = strdup(arg);
switch_assert(dup_arg);
check_cmd = dup_arg;
if ((next = strchr(check_cmd, ' '))) {
*next++ = '\0';
}
} else {
break;
}
} else {
if (next) {
check_cmd = next;
} else {
check_cmd = dup_arg;
}
if ((next = strchr(check_cmd, ' '))) {
*next++ = '\0';
}
}
goto top;
}
}
break;
}
end:
switch_safe_free(dup_arg);
return ok;
}
static void set_all_custom(listener_t *listener)
{
switch_console_callback_match_t *events = NULL;
switch_console_callback_match_node_t *m;
if (switch_event_get_custom_events(&events) == SWITCH_STATUS_SUCCESS) {
for (m = events->head; m; m = m->next) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "ADDING CUSTOM EVENT: %s\n", m->val);
switch_core_hash_insert(listener->event_hash, m->val, MARKER);
}
switch_console_free_matches(&events);
}
}
static void set_allowed_custom(listener_t *listener)
{
switch_hash_index_t *hi = NULL;
const void *var;
void *val;
switch_assert(listener->allowed_event_hash);
for (hi = switch_core_hash_first(listener->allowed_event_hash); hi; hi = switch_core_hash_next(&hi)) {
switch_core_hash_this(hi, &var, NULL, &val);
switch_core_hash_insert(listener->event_hash, (char *)var, MARKER);
}
}
static switch_status_t parse_command(listener_t *listener, switch_event_t **event, char *reply, uint32_t reply_len)
{
switch_status_t status = SWITCH_STATUS_SUCCESS;
char *cmd = NULL;
char unload_cheat[] = "api bgapi unload mod_event_socket";
char reload_cheat[] = "api bgapi reload mod_event_socket";
*reply = '\0';
if (!event || !*event || !(cmd = switch_event_get_header(*event, "command"))) {
switch_clear_flag_locked(listener, LFLAG_RUNNING);
switch_snprintf(reply, reply_len, "-ERR command parse error.");
goto done;
}
if (switch_stristr("unload", cmd) && switch_stristr("mod_event_socket", cmd)) {
cmd = unload_cheat;
} else if (switch_stristr("reload", cmd) && switch_stristr("mod_event_socket", cmd)) {
cmd = reload_cheat;
}
if (!strncasecmp(cmd, "exit", 4) || !strncasecmp(cmd, "...", 3)) {
switch_clear_flag_locked(listener, LFLAG_RUNNING);
switch_snprintf(reply, reply_len, "+OK bye");
goto done;
}
if (!switch_test_flag(listener, LFLAG_AUTHED)) {
if (!strncasecmp(cmd, "auth ", 5)) {
char *pass;
strip_cr(cmd);
pass = cmd + 5;
if (!strcmp(prefs.password, pass)) {
switch_set_flag_locked(listener, LFLAG_AUTHED);
switch_snprintf(reply, reply_len, "+OK accepted");
} else {
switch_snprintf(reply, reply_len, "-ERR invalid");
switch_clear_flag_locked(listener, LFLAG_RUNNING);
}
goto done;
}
if (!strncasecmp(cmd, "userauth ", 9)) {
const char *passwd;
const char *allowed_api;
const char *allowed_events;
switch_event_t *params;
char *user = NULL, *domain_name = NULL, *pass = NULL;
switch_xml_t x_domain = NULL, x_domain_root, x_user = NULL, x_params, x_param, x_group = NULL;
int authed = 0;
char *edup = NULL;
char event_reply[512] = "Allowed-Events: all\n";
char api_reply[512] = "Allowed-API: all\n";
char log_reply[512] = "";
int allowed_log = 1;
char *tmp;
switch_clear_flag(listener, LFLAG_ALLOW_LOG);
strip_cr(cmd);
user = cmd + 9;
if ((domain_name = strchr(user, '@'))) {
*domain_name++ = '\0';
}
if (domain_name && (pass = strchr(domain_name, ':'))) {
*pass++ = '\0';
}
if ((tmp = strchr(user, ':'))) {
*tmp++ = '\0';
pass = tmp;
}
if (zstr(user) || zstr(domain_name)) {
switch_snprintf(reply, reply_len, "-ERR invalid");
switch_clear_flag_locked(listener, LFLAG_RUNNING);
goto done;
}
passwd = NULL;
allowed_events = NULL;
allowed_api = NULL;
params = NULL;
x_domain_root = NULL;
switch_event_create(&params, SWITCH_EVENT_REQUEST_PARAMS);
switch_assert(params);
switch_event_add_header_string(params, SWITCH_STACK_BOTTOM, "action", "event_socket_auth");
if (switch_xml_locate_user("id", user, domain_name, NULL, &x_domain_root, &x_domain, &x_user, &x_group, params) == SWITCH_STATUS_SUCCESS) {
switch_xml_t list[3];
int x = 0;
list[0] = x_domain;
list[1] = x_group;
list[2] = x_user;
for (x = 0; x < 3; x++) {
if ((x_params = switch_xml_child(list[x], "params"))) {
for (x_param = switch_xml_child(x_params, "param"); x_param; x_param = x_param->next) {
const char *var = switch_xml_attr_soft(x_param, "name");
const char *val = switch_xml_attr_soft(x_param, "value");
if (!strcasecmp(var, "esl-password")) {
passwd = val;
} else if (!strcasecmp(var, "esl-allowed-log")) {
allowed_log = switch_true(val);
} else if (!strcasecmp(var, "esl-allowed-events")) {
allowed_events = val;
} else if (!strcasecmp(var, "esl-allowed-api")) {
allowed_api = val;
}
}
}
}
} else {
authed = 0;
goto bot;
}
if (!zstr(passwd) && !zstr(pass) && !strcmp(passwd, pass)) {
authed = 1;
if (allowed_events) {
char delim = ',';
char *cur, *next;
int count = 0, custom = 0, key_count = 0;
switch_set_flag(listener, LFLAG_AUTH_EVENTS);
switch_snprintf(event_reply, sizeof(event_reply), "Allowed-Events: %s\n", allowed_events);
switch_core_hash_init(&listener->allowed_event_hash);
edup = strdup(allowed_events);
switch_assert(edup);
if (strchr(edup, ' ')) {
delim = ' ';
}
for (cur = edup; cur; count++) {
switch_event_types_t type;
if ((next = strchr(cur, delim))) {
*next++ = '\0';
}
if (custom) {
switch_core_hash_insert(listener->allowed_event_hash, cur, MARKER);
} else if (switch_name_event(cur, &type) == SWITCH_STATUS_SUCCESS) {
key_count++;
if (type == SWITCH_EVENT_ALL) {
uint32_t x = 0;
switch_set_flag(listener, LFLAG_ALL_EVENTS_AUTHED);
for (x = 0; x < SWITCH_EVENT_ALL; x++) {
listener->allowed_event_list[x] = 1;
}
}
if (type <= SWITCH_EVENT_ALL) {
listener->allowed_event_list[type] = 1;
}
if (type == SWITCH_EVENT_CUSTOM) {
custom++;
}
}
cur = next;
}
switch_safe_free(edup);
}
switch_snprintf(log_reply, sizeof(log_reply), "Allowed-LOG: %s\n", allowed_log ? "true" : "false");
if (allowed_log) {
switch_set_flag(listener, LFLAG_ALLOW_LOG);
}
if (allowed_api) {
char delim = ',';
char *cur, *next;
int count = 0;
switch_snprintf(api_reply, sizeof(api_reply), "Allowed-API: %s\n", allowed_api);
switch_core_hash_init(&listener->allowed_api_hash);
edup = strdup(allowed_api);
if (strchr(edup, ' ')) {
delim = ' ';
}
for (cur = edup; cur; count++) {
if ((next = strchr(cur, delim))) {
*next++ = '\0';
}
switch_core_hash_insert(listener->allowed_api_hash, cur, MARKER);
cur = next;
}
switch_safe_free(edup);
}
}
bot:
switch_event_destroy(&params);
if (authed) {
switch_set_flag_locked(listener, LFLAG_AUTHED);
switch_snprintf(reply, reply_len, "~Reply-Text: +OK accepted\n%s%s%s\n", event_reply, api_reply, log_reply);
} else {
switch_snprintf(reply, reply_len, "-ERR invalid");
switch_clear_flag_locked(listener, LFLAG_RUNNING);
}
if (x_domain_root) {
switch_xml_free(x_domain_root);
}
}
goto done;
}
if (!strncasecmp(cmd, "filter ", 7)) {
char *header_name = cmd + 7;
char *header_val = NULL;
strip_cr(header_name);
while (header_name && *header_name && *header_name == ' ')
header_name++;
if ((header_val = strchr(header_name, ' '))) {
*header_val++ = '\0';
}
switch_mutex_lock(listener->filter_mutex);
if (!listener->filters) {
switch_event_create_plain(&listener->filters, SWITCH_EVENT_CLONE);
switch_clear_flag(listener->filters, EF_UNIQ_HEADERS);
}
if (!strcasecmp(header_name, "delete") && header_val) {
header_name = header_val;
if ((header_val = strchr(header_name, ' '))) {
*header_val++ = '\0';
}
if (!strcasecmp(header_name, "all")) {
switch_event_destroy(&listener->filters);
switch_event_create_plain(&listener->filters, SWITCH_EVENT_CLONE);
} else {
switch_event_del_header_val(listener->filters, header_name, header_val);
}
switch_snprintf(reply, reply_len, "+OK filter deleted. [%s][%s]", header_name, switch_str_nil(header_val));
} else if (header_val) {
if (!strcasecmp(header_name, "add")) {
header_name = header_val;
if ((header_val = strchr(header_name, ' '))) {
*header_val++ = '\0';
}
}
switch_event_add_header_string(listener->filters, SWITCH_STACK_BOTTOM, header_name, header_val);
switch_snprintf(reply, reply_len, "+OK filter added. [%s]=[%s]", header_name, header_val);
} else {
switch_snprintf(reply, reply_len, "-ERR invalid syntax");
}
switch_mutex_unlock(listener->filter_mutex);
goto done;
}
if (listener->session && !strncasecmp(cmd, "resume", 6)) {
switch_set_flag_locked(listener, LFLAG_RESUME);
switch_channel_set_variable(switch_core_session_get_channel(listener->session), "socket_resume", "true");
switch_snprintf(reply, reply_len, "+OK");
goto done;
}
if (listener->session || !strncasecmp(cmd, "myevents ", 9)) {
switch_channel_t *channel = NULL;
if (listener->session) {
channel = switch_core_session_get_channel(listener->session);
}
if (!strncasecmp(cmd, "connect", 7)) {
switch_event_t *call_event;
char *event_str;
switch_size_t len;
switch_set_flag_locked(listener, LFLAG_CONNECTED);
switch_event_create(&call_event, SWITCH_EVENT_CHANNEL_DATA);
if (channel) {
switch_caller_profile_event_set_data(switch_channel_get_caller_profile(channel), "Channel", call_event);
switch_channel_event_set_data(channel, call_event);
}
switch_event_add_header_string(call_event, SWITCH_STACK_BOTTOM, "Content-Type", "command/reply");
switch_event_add_header_string(call_event, SWITCH_STACK_BOTTOM, "Reply-Text", "+OK\n");
switch_event_add_header_string(call_event, SWITCH_STACK_BOTTOM, "Socket-Mode", switch_test_flag(listener, LFLAG_ASYNC) ? "async" : "static");
switch_event_add_header_string(call_event, SWITCH_STACK_BOTTOM, "Control", switch_test_flag(listener, LFLAG_FULL) ? "full" : "single-channel");
switch_event_serialize(call_event, &event_str, SWITCH_TRUE);
switch_assert(event_str);
len = strlen(event_str);
switch_socket_send(listener->sock, event_str, &len);
switch_safe_free(event_str);
switch_event_destroy(&call_event);
//switch_snprintf(reply, reply_len, "+OK");
goto done_noreply;
} else if (!strncasecmp(cmd, "getvar", 6)) {
char *arg;
const char *val = "";
strip_cr(cmd);
if ((arg = strchr(cmd, ' '))) {
*arg++ = '\0';
if (!(val = switch_channel_get_variable(channel, arg))) {
val = "";
}
}
switch_snprintf(reply, reply_len, "%s", val);
goto done;
} else if (!strncasecmp(cmd, "myevents", 8)) {
if (switch_test_flag(listener, LFLAG_MYEVENTS)) {
switch_snprintf(reply, reply_len, "-ERR aready enabled.");
goto done;
}
if (!listener->session) {
char *uuid;
if ((uuid = cmd + 9)) {
char *fmt;
strip_cr(uuid);
if ((fmt = strchr(uuid, ' '))) {
*fmt++ = '\0';
}
if (!(listener->session = switch_core_session_locate(uuid))) {
if (fmt) {
switch_snprintf(reply, reply_len, "-ERR invalid uuid");
goto done;
}
}
if ((fmt = strchr(uuid, ' '))) {
if (!strcasecmp(fmt, "xml")) {
listener->format = EVENT_FORMAT_XML;
} else if (!strcasecmp(fmt, "plain")) {
listener->format = EVENT_FORMAT_PLAIN;
} else if (!strcasecmp(fmt, "json")) {
listener->format = EVENT_FORMAT_JSON;
}
}
switch_set_flag_locked(listener, LFLAG_SESSION);
switch_set_flag_locked(listener, LFLAG_ASYNC);
}
}
listener->event_list[SWITCH_EVENT_CHANNEL_ANSWER] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_APPLICATION] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_BRIDGE] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_CREATE] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_DATA] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_DESTROY] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_EXECUTE] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_EXECUTE_COMPLETE] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_HANGUP] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_HANGUP_COMPLETE] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_ORIGINATE] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_UUID] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_OUTGOING] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_PARK] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_PROGRESS] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_PROGRESS_MEDIA] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_STATE] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_UNBRIDGE] = 1;
listener->event_list[SWITCH_EVENT_CHANNEL_UNPARK] = 1;
listener->event_list[SWITCH_EVENT_DETECTED_SPEECH] = 1;
listener->event_list[SWITCH_EVENT_DTMF] = 1;
listener->event_list[SWITCH_EVENT_NOTALK] = 1;
listener->event_list[SWITCH_EVENT_TALK] = 1;
switch_set_flag_locked(listener, LFLAG_MYEVENTS);
switch_set_flag_locked(listener, LFLAG_EVENTS);
if (strstr(cmd, "xml") || strstr(cmd, "XML")) {
listener->format = EVENT_FORMAT_XML;
}
if (strstr(cmd, "json") || strstr(cmd, "JSON")) {
listener->format = EVENT_FORMAT_JSON;
}
switch_snprintf(reply, reply_len, "+OK Events Enabled");
goto done;
}
}
if (!strncasecmp(cmd, "divert_events", 13)) {
char *onoff = cmd + 13;
switch_channel_t *channel;
if (!listener->session) {
switch_snprintf(reply, reply_len, "-ERR not controlling a session.");
goto done;
}
channel = switch_core_session_get_channel(listener->session);
while (*onoff == ' ') {
onoff++;
}
if (*onoff == '\r' || *onoff == '\n') {
onoff = NULL;
} else {
strip_cr(onoff);
}
if (zstr(onoff)) {
switch_snprintf(reply, reply_len, "-ERR missing value.");
goto done;
}
if (!strcasecmp(onoff, "on")) {
switch_snprintf(reply, reply_len, "+OK events diverted");
switch_channel_set_flag(channel, CF_DIVERT_EVENTS);
} else {
switch_snprintf(reply, reply_len, "+OK events not diverted");
switch_channel_clear_flag(channel, CF_DIVERT_EVENTS);
}
goto done;
}
if (!strncasecmp(cmd, "sendmsg", 7)) {
switch_core_session_t *session;
char *uuid = cmd + 7;
const char *async_var = switch_event_get_header(*event, "async");
int async = switch_test_flag(listener, LFLAG_ASYNC);
if (switch_true(async_var)) {
async = 1;
}
while (*uuid == ' ') {
uuid++;
}
if (*uuid == '\r' || *uuid == '\n') {
uuid = NULL;
} else {
strip_cr(uuid);
}
if (zstr(uuid)) {
uuid = switch_event_get_header(*event, "session-id");
}
if (uuid && listener->session && !strcmp(uuid, switch_core_session_get_uuid(listener->session))) {
uuid = NULL;
}
if (zstr(uuid) && listener->session) {
if (async) {
if ((status = switch_core_session_queue_private_event(listener->session, event, SWITCH_FALSE)) == SWITCH_STATUS_SUCCESS) {
switch_snprintf(reply, reply_len, "+OK");
} else {
switch_snprintf(reply, reply_len, "-ERR memory error");
}
} else {
switch_ivr_parse_event(listener->session, *event);
switch_snprintf(reply, reply_len, "+OK");
}
} else {
if (!zstr(uuid) && (session = switch_core_session_locate(uuid))) {
if ((status = switch_core_session_queue_private_event(session, event, SWITCH_FALSE)) == SWITCH_STATUS_SUCCESS) {
switch_snprintf(reply, reply_len, "+OK");
} else {
switch_snprintf(reply, reply_len, "-ERR memory error");
}
switch_core_session_rwunlock(session);
} else {
switch_snprintf(reply, reply_len, "-ERR invalid session id [%s]", switch_str_nil(uuid));
}
}
goto done;
}
if (switch_test_flag(listener, LFLAG_OUTBOUND) && !switch_test_flag(listener, LFLAG_FULL)) {
goto done;
}
if (!strncasecmp(cmd, "sendevent", 9)) {
char *ename;
const char *uuid = NULL;
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
switch_uuid_str(uuid_str, sizeof(uuid_str));
switch_event_add_header_string(*event, SWITCH_STACK_BOTTOM, "Event-UUID", uuid_str);
strip_cr(cmd);
ename = cmd + 9;
while (ename && (*ename == '\t' || *ename == ' ')) {
++ename;
}
if (ename && (*ename == '\r' || *ename == '\n')) {
ename = NULL;
}
if (ename) {
switch_event_types_t etype;
if (switch_name_event(ename, &etype) == SWITCH_STATUS_SUCCESS) {
const char *subclass_name = switch_event_get_header(*event, "Event-Subclass");
(*event)->event_id = etype;
if (etype == SWITCH_EVENT_CUSTOM && subclass_name) {
switch_event_set_subclass_name(*event, subclass_name);
}
}
}
if ((uuid = switch_event_get_header(*event, "unique-id"))) {
switch_core_session_t *dsession;
if ((dsession = switch_core_session_locate(uuid))) {
switch_core_session_queue_event(dsession, event);
switch_core_session_rwunlock(dsession);
}
}
if (*event) {
switch_event_prep_for_delivery(*event);
switch_event_fire(event);
}
switch_snprintf(reply, reply_len, "+OK %s", uuid_str);
goto done;
} else if (!strncasecmp(cmd, "api ", 4)) {
struct api_command_struct acs = { 0 };
char *console_execute = switch_event_get_header(*event, "console_execute");
char *api_cmd = cmd + 4;
char *arg = NULL;
strip_cr(api_cmd);
if (listener->allowed_api_hash) {
char *api_copy = strdup(api_cmd);
char *arg_copy = NULL;
int ok = 0;
switch_assert(api_copy);
if ((arg_copy = strchr(api_copy, ' '))) {
*arg_copy++ = '\0';
}
ok = auth_api_command(listener, api_copy, arg_copy);
free(api_copy);
if (!ok) {
switch_snprintf(reply, reply_len, "-ERR permission denied");
status = SWITCH_STATUS_SUCCESS;
goto done;
}
}
if (!(acs.console_execute = switch_true(console_execute))) {
if ((arg = strchr(api_cmd, ' '))) {
*arg++ = '\0';
}
}
acs.listener = listener;
acs.api_cmd = api_cmd;
acs.arg = arg;
acs.bg = 0;
api_exec(NULL, (void *) &acs);
status = SWITCH_STATUS_SUCCESS;
goto done_noreply;
} else if (!strncasecmp(cmd, "bgapi ", 6)) {
struct api_command_struct *acs = NULL;
char *api_cmd = cmd + 6;
char *arg = NULL;
char *uuid_str = NULL;
switch_memory_pool_t *pool;
switch_thread_t *thread;
switch_threadattr_t *thd_attr = NULL;
switch_uuid_t uuid;
int sanity;
strip_cr(api_cmd);
if ((arg = strchr(api_cmd, ' '))) {
*arg++ = '\0';
}
if (listener->allowed_api_hash) {
if (!auth_api_command(listener, api_cmd, arg)) {
switch_snprintf(reply, reply_len, "-ERR permission denied");
status = SWITCH_STATUS_SUCCESS;
goto done;
}
}
switch_core_new_memory_pool(&pool);
acs = switch_core_alloc(pool, sizeof(*acs));
switch_assert(acs);
acs->pool = pool;
acs->listener = listener;
acs->console_execute = 0;
acs->api_cmd = switch_core_strdup(acs->pool, api_cmd);
if (arg) {
acs->arg = switch_core_strdup(acs->pool, arg);
}
acs->bg = 1;
switch_threadattr_create(&thd_attr, acs->pool);
switch_threadattr_detach_set(thd_attr, 1);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
if ((uuid_str = switch_event_get_header(*event, "job-uuid"))) {
switch_copy_string(acs->uuid_str, uuid_str, sizeof(acs->uuid_str));
} else {
switch_uuid_get(&uuid);
switch_uuid_format(acs->uuid_str, &uuid);
}
switch_copy_string(acs->bg_owner_uuid_str, switch_core_session_get_uuid(listener->session), sizeof(acs->bg_owner_uuid_str));
switch_snprintf(reply, reply_len, "~Reply-Text: +OK Job-UUID: %s\nJob-UUID: %s\n\n", acs->uuid_str, acs->uuid_str);
switch_thread_create(&thread, thd_attr, api_exec, acs, acs->pool);
sanity = 2000;
while (!acs->ack) {
switch_cond_next();
if (--sanity <= 0)
break;
}
if (acs->ack == -1) {
acs->ack--;
}
status = SWITCH_STATUS_SUCCESS;
goto done_noreply;
} else if (!strncasecmp(cmd, "log", 3)) {
char *level_s, *p;
switch_log_level_t ltype = SWITCH_LOG_DEBUG;
if (!switch_test_flag(listener, LFLAG_ALLOW_LOG)) {
switch_snprintf(reply, reply_len, "-ERR permission denied");
goto done;
}
//pull off the first newline/carriage return
strip_cr(cmd);
//move past the command
level_s = cmd + 3;
while(*level_s == ' ') {
level_s++;
}
if ((p = strchr(level_s, ' '))) {
*p = '\0';
}
//see if we lined up on an argument or not
if (!zstr(level_s)) {
ltype = switch_log_str2level(level_s);
}
if (ltype != SWITCH_LOG_INVALID) {
listener->level = ltype;
switch_set_flag(listener, LFLAG_LOG);
switch_snprintf(reply, reply_len, "+OK log level %s [%d]", level_s, listener->level);
} else {
switch_snprintf(reply, reply_len, "-ERR invalid log level");
}
} else if (!strncasecmp(cmd, "linger", 6)) {
if (listener->session) {
time_t linger_time = 600; /* sounds reasonable? */
if (*(cmd+6) == ' ' && *(cmd+7)) { /*how long do you want to linger?*/
linger_time = (time_t) atoi(cmd+7);
} else {
linger_time = (time_t) -1;
}
listener->linger_timeout = linger_time;
switch_set_flag_locked(listener, LFLAG_LINGER);
if (listener->linger_timeout != (time_t) -1) {
switch_snprintf(reply, reply_len, "+OK will linger %d seconds", (int)linger_time);
} else {
switch_snprintf(reply, reply_len, "+OK will linger");
}
} else {
switch_snprintf(reply, reply_len, "-ERR not controlling a session");
}
} else if (!strncasecmp(cmd, "nolinger", 8)) {
if (listener->session) {
switch_clear_flag_locked(listener, LFLAG_LINGER);
switch_snprintf(reply, reply_len, "+OK will not linger");
} else {
switch_snprintf(reply, reply_len, "-ERR not controlling a session");
}
} else if (!strncasecmp(cmd, "nolog", 5)) {
flush_listener(listener, SWITCH_TRUE, SWITCH_FALSE);
if (switch_test_flag(listener, LFLAG_LOG)) {
switch_clear_flag_locked(listener, LFLAG_LOG);
switch_snprintf(reply, reply_len, "+OK no longer logging");
} else {
switch_snprintf(reply, reply_len, "-ERR not loging");
}
} else if (!strncasecmp(cmd, "event", 5)) {
char *next, *cur;
uint32_t count = 0, key_count = 0;
uint8_t custom = 0;
strip_cr(cmd);
cur = cmd + 5;
if ((cur = strchr(cur, ' '))) {
for (cur++; cur; count++) {
switch_event_types_t type;
if ((next = strchr(cur, ' '))) {
*next++ = '\0';
}
if (!count) {
if (!strcasecmp(cur, "xml")) {
listener->format = EVENT_FORMAT_XML;
goto end;
} else if (!strcasecmp(cur, "plain")) {
listener->format = EVENT_FORMAT_PLAIN;
goto end;
} else if (!strcasecmp(cur, "json")) {
listener->format = EVENT_FORMAT_JSON;
goto end;
}
}
if (custom) {
if (!listener->allowed_event_hash || switch_core_hash_find(listener->allowed_event_hash, cur)) {
switch_core_hash_insert(listener->event_hash, cur, MARKER);
} else {
switch_snprintf(reply, reply_len, "-ERR permission denied");
goto done;
}
} else if (switch_name_event(cur, &type) == SWITCH_STATUS_SUCCESS) {
if (switch_test_flag(listener, LFLAG_AUTH_EVENTS) && !listener->allowed_event_list[type] &&
!switch_test_flag(listener, LFLAG_ALL_EVENTS_AUTHED)) {
switch_snprintf(reply, reply_len, "-ERR permission denied");
goto done;
}
key_count++;
if (type == SWITCH_EVENT_ALL) {
uint32_t x = 0;
for (x = 0; x < SWITCH_EVENT_ALL; x++) {
listener->event_list[x] = 1;
}
if (!listener->allowed_event_hash) {
set_all_custom(listener);
} else {
set_allowed_custom(listener);
}
}
if (type <= SWITCH_EVENT_ALL) {
listener->event_list[type] = 1;
}
if (type == SWITCH_EVENT_CUSTOM) {
custom++;
}
}
end:
cur = next;
}
}
if (!key_count) {
switch_snprintf(reply, reply_len, "-ERR no keywords supplied");
goto done;
}
if (!switch_test_flag(listener, LFLAG_EVENTS)) {
switch_set_flag_locked(listener, LFLAG_EVENTS);
}
switch_snprintf(reply, reply_len, "+OK event listener enabled %s", format2str(listener->format));
} else if (!strncasecmp(cmd, "nixevent", 8)) {
char *next, *cur;
uint32_t count = 0, key_count = 0;
uint8_t custom = 0;
strip_cr(cmd);
cur = cmd + 8;
if ((cur = strchr(cur, ' '))) {
for (cur++; cur; count++) {
switch_event_types_t type;
if ((next = strchr(cur, ' '))) {
*next++ = '\0';
}
if (custom) {
switch_core_hash_delete(listener->event_hash, cur);
} else if (switch_name_event(cur, &type) == SWITCH_STATUS_SUCCESS) {
uint32_t x = 0;
key_count++;
if (type == SWITCH_EVENT_CUSTOM) {
custom++;
} else if (type == SWITCH_EVENT_ALL) {
for (x = 0; x <= SWITCH_EVENT_ALL; x++) {
listener->event_list[x] = 0;
}
} else {
if (listener->event_list[SWITCH_EVENT_ALL]) {
listener->event_list[SWITCH_EVENT_ALL] = 0;
for (x = 0; x < SWITCH_EVENT_ALL; x++) {
listener->event_list[x] = 1;
}
}
listener->event_list[type] = 0;
}
}
cur = next;
}
}
if (!key_count) {
switch_snprintf(reply, reply_len, "-ERR no keywords supplied");
goto done;
}
if (!switch_test_flag(listener, LFLAG_EVENTS)) {
switch_set_flag_locked(listener, LFLAG_EVENTS);
}
switch_snprintf(reply, reply_len, "+OK events nixed");
} else if (!strncasecmp(cmd, "noevents", 8)) {
flush_listener(listener, SWITCH_FALSE, SWITCH_TRUE);
if (switch_test_flag(listener, LFLAG_EVENTS)) {
uint8_t x = 0;
switch_clear_flag_locked(listener, LFLAG_EVENTS);
for (x = 0; x <= SWITCH_EVENT_ALL; x++) {
listener->event_list[x] = 0;
}
/* wipe the hash */
switch_core_hash_destroy(&listener->event_hash);
switch_core_hash_init(&listener->event_hash);
switch_snprintf(reply, reply_len, "+OK no longer listening for events");
} else {
switch_snprintf(reply, reply_len, "-ERR not listening for events");
}
}
done:
if (zstr(reply)) {
switch_snprintf(reply, reply_len, "-ERR command not found");
}
done_noreply:
if (event) {
switch_event_destroy(event);
}
return status;
}
static void *SWITCH_THREAD_FUNC listener_run(switch_thread_t *thread, void *obj)
{
listener_t *listener = (listener_t *) obj;
char buf[1024];
switch_size_t len;
switch_status_t status;
switch_event_t *event;
char reply[512] = "";
switch_core_session_t *session = NULL;
switch_channel_t *channel = NULL;
switch_event_t *revent = NULL;
const char *var;
int locked = 1;
switch_mutex_lock(globals.listener_mutex);
prefs.threads++;
switch_mutex_unlock(globals.listener_mutex);
switch_assert(listener != NULL);
if ((session = listener->session)) {
if (switch_core_session_read_lock(session) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Unable to lock session!\n");
locked = 0;
goto done;
}
}
if (!listener->sock) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Listener socket is null!\n");
switch_clear_flag_locked(listener, LFLAG_RUNNING);
goto done;
}
switch_socket_opt_set(listener->sock, SWITCH_SO_TCP_NODELAY, TRUE);
switch_socket_opt_set(listener->sock, SWITCH_SO_NONBLOCK, TRUE);
if (prefs.acl_count && listener->sa && !zstr(listener->remote_ip)) {
uint32_t x = 0;
for (x = 0; x < prefs.acl_count; x++) {
if (!switch_check_network_list_ip(listener->remote_ip, prefs.acl[x])) {
const char message[] = "Access Denied, go away.\n";
int mlen = (int)strlen(message);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "IP %s Rejected by acl \"%s\"\n", listener->remote_ip,
prefs.acl[x]);
switch_snprintf(buf, sizeof(buf), "Content-Type: text/rude-rejection\nContent-Length: %d\n\n", mlen);
len = strlen(buf);
switch_socket_send(listener->sock, buf, &len);
len = mlen;
switch_socket_send(listener->sock, message, &len);
goto done;
}
}
}
if (globals.debug > 0) {
if (zstr(listener->remote_ip)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Connection Open\n");
} else {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Connection Open from %s:%d\n", listener->remote_ip,
listener->remote_port);
}
}
switch_socket_opt_set(listener->sock, SWITCH_SO_NONBLOCK, TRUE);
switch_set_flag_locked(listener, LFLAG_RUNNING);
add_listener(listener);
if (session && switch_test_flag(listener, LFLAG_AUTHED)) {
switch_event_t *ievent = NULL;
switch_set_flag_locked(listener, LFLAG_SESSION);
status = read_packet(listener, &ievent, 25);
if (status != SWITCH_STATUS_SUCCESS || !ievent) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "Socket Error!\n");
switch_clear_flag_locked(listener, LFLAG_RUNNING);
goto done;
}
if (parse_command(listener, &ievent, reply, sizeof(reply)) != SWITCH_STATUS_SUCCESS) {
switch_clear_flag_locked(listener, LFLAG_RUNNING);
goto done;
}
} else {
switch_snprintf(buf, sizeof(buf), "Content-Type: auth/request\n\n");
len = strlen(buf);
switch_socket_send(listener->sock, buf, &len);
while (!switch_test_flag(listener, LFLAG_AUTHED)) {
status = read_packet(listener, &event, 25);
if (status != SWITCH_STATUS_SUCCESS) {
goto done;
}
if (!event) {
continue;
}
if (parse_command(listener, &event, reply, sizeof(reply)) != SWITCH_STATUS_SUCCESS) {
switch_clear_flag_locked(listener, LFLAG_RUNNING);
goto done;
}
if (*reply != '\0') {
if (*reply == '~') {
switch_snprintf(buf, sizeof(buf), "Content-Type: command/reply\n%s", reply + 1);
} else {
switch_snprintf(buf, sizeof(buf), "Content-Type: command/reply\nReply-Text: %s\n\n", reply);
}
len = strlen(buf);
switch_socket_send(listener->sock, buf, &len);
}
break;
}
}
while (!prefs.done && switch_test_flag(listener, LFLAG_RUNNING) && listen_list.ready) {
len = sizeof(buf);
memset(buf, 0, len);
status = read_packet(listener, &revent, 0);
if (status != SWITCH_STATUS_SUCCESS) {
break;
}
if (!revent) {
continue;
}
if (parse_command(listener, &revent, reply, sizeof(reply)) != SWITCH_STATUS_SUCCESS) {
switch_clear_flag_locked(listener, LFLAG_RUNNING);
break;
}
if (revent) {
switch_event_destroy(&revent);
}
if (*reply != '\0') {
if (*reply == '~') {
switch_snprintf(buf, sizeof(buf), "Content-Type: command/reply\n%s", reply + 1);
} else {
switch_snprintf(buf, sizeof(buf), "Content-Type: command/reply\nReply-Text: %s\n\n", reply);
}
len = strlen(buf);
switch_socket_send(listener->sock, buf, &len);
}
}
done:
if (revent) {
switch_event_destroy(&revent);
}
remove_listener(listener);
if (globals.debug > 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Session complete, waiting for children\n");
}
switch_thread_rwlock_wrlock(listener->rwlock);
flush_listener(listener, SWITCH_TRUE, SWITCH_TRUE);
switch_mutex_lock(listener->filter_mutex);
if (listener->filters) {
switch_event_destroy(&listener->filters);
}
switch_mutex_unlock(listener->filter_mutex);
if (listener->session) {
channel = switch_core_session_get_channel(listener->session);
}
if (channel && switch_channel_get_state(channel) != CS_HIBERNATE &&
!switch_channel_test_flag(channel, CF_REDIRECT) && !switch_channel_test_flag(channel, CF_TRANSFER) && !switch_channel_test_flag(channel, CF_RESET) &&
(switch_test_flag(listener, LFLAG_RESUME) || ((var = switch_channel_get_variable(channel, "socket_resume")) && switch_true(var)))) {
switch_channel_set_state(channel, CS_RESET);
}
if (listener->sock) {
send_disconnect(listener, "Disconnected, goodbye.\nSee you at ClueCon! http://www.cluecon.com/\n");
close_socket(&listener->sock);
}
switch_thread_rwlock_unlock(listener->rwlock);
if (globals.debug > 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Connection Closed\n");
}
switch_core_hash_destroy(&listener->event_hash);
if (listener->allowed_event_hash) {
switch_core_hash_destroy(&listener->allowed_event_hash);
}
if (listener->allowed_api_hash) {
switch_core_hash_destroy(&listener->allowed_api_hash);
}
if (listener->session) {
switch_channel_clear_flag(switch_core_session_get_channel(listener->session), CF_CONTROLLED);
switch_clear_flag_locked(listener, LFLAG_SESSION);
if (locked) {
switch_core_session_rwunlock(listener->session);
}
} else if (listener->pool) {
switch_memory_pool_t *pool = listener->pool;
switch_core_destroy_memory_pool(&pool);
}
switch_mutex_lock(globals.listener_mutex);
prefs.threads--;
switch_mutex_unlock(globals.listener_mutex);
return NULL;
}
/* Create a thread for the socket and launch it */
static void launch_listener_thread(listener_t *listener)
{
switch_thread_t *thread;
switch_threadattr_t *thd_attr = NULL;
switch_threadattr_create(&thd_attr, listener->pool);
switch_threadattr_detach_set(thd_attr, 1);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
switch_thread_create(&thread, thd_attr, listener_run, listener, listener->pool);
}
static int config(void)
{
char *cf = "event_socket.conf";
switch_xml_t cfg, xml, settings, param;
memset(&prefs, 0, sizeof(prefs));
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Open of %s failed\n", cf);
} else {
if ((settings = switch_xml_child(cfg, "settings"))) {
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
char *var = (char *) switch_xml_attr_soft(param, "name");
char *val = (char *) switch_xml_attr_soft(param, "value");
if (!strcmp(var, "listen-ip")) {
set_pref_ip(val);
} else if (!strcmp(var, "debug")) {
globals.debug = atoi(val);
} else if (!strcmp(var, "nat-map")) {
if (switch_true(val) && switch_nat_get_type()) {
prefs.nat_map = 1;
}
} else if (!strcmp(var, "listen-port")) {
prefs.port = (uint16_t) atoi(val);
} else if (!strcmp(var, "password")) {
set_pref_pass(val);
} else if (!strcasecmp(var, "apply-inbound-acl") && ! zstr(val)) {
if (prefs.acl_count < MAX_ACL) {
prefs.acl[prefs.acl_count++] = strdup(val);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Max acl records of %d reached\n", MAX_ACL);
}
} else if (!strcasecmp(var, "stop-on-bind-error")) {
prefs.stop_on_bind_error = switch_true(val) ? 1 : 0;
}
}
}
switch_xml_free(xml);
}
if (zstr(prefs.ip)) {
set_pref_ip("127.0.0.1");
}
if (zstr(prefs.password)) {
set_pref_pass("ClueCon");
}
if (!prefs.nat_map) {
prefs.nat_map = 0;
}
if (!prefs.acl_count) {
prefs.acl[prefs.acl_count++] = strdup("loopback.auto");
}
if (prefs.nat_map) {
prefs.nat_map = 0;
}
if (!prefs.port) {
prefs.port = 8021;
}
return 0;
}
SWITCH_MODULE_RUNTIME_FUNCTION(mod_event_socket_runtime)
{
switch_memory_pool_t *pool = NULL, *listener_pool = NULL;
switch_status_t rv;
switch_sockaddr_t *sa;
switch_socket_t *inbound_socket = NULL;
listener_t *listener;
uint32_t x = 0;
uint32_t errs = 0;
if (switch_core_new_memory_pool(&pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "OH OH no pool\n");
return SWITCH_STATUS_TERM;
}
config();
while (!prefs.done) {
rv = switch_sockaddr_info_get(&sa, prefs.ip, SWITCH_UNSPEC, prefs.port, 0, pool);
if (rv) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cannot get information about IP address %s\n", prefs.ip);
goto fail;
}
rv = switch_socket_create(&listen_list.sock, switch_sockaddr_get_family(sa), SOCK_STREAM, SWITCH_PROTO_TCP, pool);
if (rv)
goto sock_fail;
rv = switch_socket_opt_set(listen_list.sock, SWITCH_SO_REUSEADDR, 1);
if (rv)
goto sock_fail;
#ifdef WIN32
/* Enable dual-stack listening on Windows (if the listening address is IPv6), it's default on Linux */
if (switch_sockaddr_get_family(sa) == AF_INET6) {
rv = switch_socket_opt_set(listen_list.sock, 16384, 0);
if (rv) goto sock_fail;
}
#endif
rv = switch_socket_bind(listen_list.sock, sa);
if (rv)
goto sock_fail;
rv = switch_socket_listen(listen_list.sock, 5);
if (rv)
goto sock_fail;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Socket up listening on %s:%u\n", prefs.ip, prefs.port);
if (prefs.nat_map) {
switch_nat_add_mapping(prefs.port, SWITCH_NAT_TCP, NULL, SWITCH_FALSE);
}
break;
sock_fail:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error! Could not listen on %s:%u\n", prefs.ip, prefs.port);
if (prefs.stop_on_bind_error) {
prefs.done = 1;
goto fail;
}
switch_yield(100000);
}
listen_list.ready = 1;
while (!prefs.done) {
if (switch_core_new_memory_pool(&listener_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "OH OH no pool\n");
goto fail;
}
if ((rv = switch_socket_accept(&inbound_socket, listen_list.sock, listener_pool))) {
if (prefs.done) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Shutting Down\n");
goto end;
} else {
/* I wish we could use strerror_r here but its not defined everywhere =/ */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Socket Error [%s]\n", strerror(errno));
if (++errs > 100) {
goto end;
}
}
} else {
errs = 0;
}
if (!(listener = switch_core_alloc(listener_pool, sizeof(*listener)))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Memory Error\n");
break;
}
switch_thread_rwlock_create(&listener->rwlock, listener_pool);
switch_queue_create(&listener->event_queue, MAX_QUEUE_LEN, listener_pool);
switch_queue_create(&listener->log_queue, MAX_QUEUE_LEN, listener_pool);
listener->sock = inbound_socket;
listener->pool = listener_pool;
listener_pool = NULL;
listener->format = EVENT_FORMAT_PLAIN;
switch_set_flag(listener, LFLAG_FULL);
switch_set_flag(listener, LFLAG_ALLOW_LOG);
switch_mutex_init(&listener->flag_mutex, SWITCH_MUTEX_NESTED, listener->pool);
switch_mutex_init(&listener->filter_mutex, SWITCH_MUTEX_NESTED, listener->pool);
switch_core_hash_init(&listener->event_hash);
switch_socket_create_pollset(&listener->pollfd, listener->sock, SWITCH_POLLIN | SWITCH_POLLERR, listener->pool);
if (switch_socket_addr_get(&listener->sa, SWITCH_TRUE, listener->sock) == SWITCH_STATUS_SUCCESS && listener->sa) {
switch_get_addr(listener->remote_ip, sizeof(listener->remote_ip), listener->sa);
if ((listener->remote_port = switch_sockaddr_get_port(listener->sa))) {
launch_listener_thread(listener);
continue;
}
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error initilizing connection\n");
close_socket(&listener->sock);
expire_listener(&listener);
}
end:
close_socket(&listen_list.sock);
if (prefs.nat_map && switch_nat_get_type()) {
switch_nat_del_mapping(prefs.port, SWITCH_NAT_TCP);
}
if (pool) {
switch_core_destroy_memory_pool(&pool);
}
if (listener_pool) {
switch_core_destroy_memory_pool(&listener_pool);
}
for (x = 0; x < prefs.acl_count; x++) {
switch_safe_free(prefs.acl[x]);
}
fail:
return SWITCH_STATUS_TERM;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
*/