inbound event socket example

testclient.c

/*
    <extension name="400xx">
      <condition field="destination_number" expression="^400xx$">
        <action application="set" data="my_callback=xx"/>
        <action application="park"/>
      </condition>
    </extension>

    <extension name="ask_number">
      <condition field="destination_number" expression="^ask_number$">
        <action application="read" data="1 4 /tmp/please-input-a-number.wav digits 5000 #"/>
        <action application="transfer" data="${digits}"/>
      </condition>
    </extension>
*/

#include <stdio.h>
#include <stdlib.h>
#include <esl.h>


int main(void)
{
  esl_handle_t handle = {{0}};
	int i;
	int rate = 20;
	int total = 100;
	int j;
	esl_status_t status;
	int success = 0;
	int fail = 0;
	int finished = 0;

	esl_global_set_default_logger(6);

	esl_connect(&handle, "localhost", 8022, NULL, "ClueCon");

	esl_events(&handle, ESL_EVENT_TYPE_PLAIN, "CHANNEL_PARK");

again:

	while((status = esl_recv_timed(&handle, 1000)) != ESL_FAIL) {
		if (status == ESL_SUCCESS) {
			const char *type = esl_event_get_header(handle.last_event, "content-type");
			if (type) {
				const char *event_name = esl_event_get_header(handle.last_ievent, "Event-Name");

				esl_log(ESL_LOG_INFO, "recv event_name: %s\n", event_name);

				if (!strcmp(event_name, "CHANNEL_PARK")) {
					char buf[1024];
					const char *is_callback = esl_event_get_header(handle.last_ievent, "variable_my_callback");
					const char *cid = esl_event_get_header(handle.last_ievent, "Caller-Caller-ID-Number");
					const char *channel_uuid = esl_event_get_header(handle.last_ievent, "Caller-Unique-ID");

					if (is_callback) {
						esl_log(ESL_LOG_INFO, "recv call from: [%s] [%s]\n", cid, channel_uuid);

						esl_execute(&handle, "log", "ERR recv call", channel_uuid);

						sprintf(buf, "api uuid_kill %s\n\n", channel_uuid);

						esl_send_recv(&handle, buf);

						sleep(3);


#if 0
						sprintf(buf, "bgapi originate user/%s ask_number XML default\n\n", cid);

#endif

						sprintf(buf, "bgapi originate user/%s read:'1 4 /tmp/please-input-a-number.wav digits 5000 #',transfer:${digits} inline\n\n", cid);

						esl_send_recv(&handle, buf);


					} else {
						esl_log(ESL_LOG_INFO, "not a callback\n");
					}

				}
			}
		}
	}

	esl_disconnect(&handle);

	return 0;
}