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ecore_con_client_example.c

Shows how to write a simple client that connects to the example server.

//Compile with:
// gcc -o ecore_con_client_example ecore_con_client_example.c `pkg-config --libs --cflags ecore ecore-con eina`
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <Ecore.h>
#include <Ecore_Con.h>
/* Ecore_Con client example
* 2010 Mike Blumenkrantz
*/
#ifdef HAVE_GNUTLS
#include <gnutls/gnutls.h>
static void
tls_log_func(int level, const char *str)
{
fprintf(stderr, "|<%d>| %s", level, str);
}
#endif
Eina_Bool
_add(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_Con_Event_Server_Add *ev)
{
printf("Server with ip %s connected!\n", ecore_con_server_ip_get(ev->server));
ecore_con_server_send(ev->server, "hello!", 6);
ecore_con_server_flush(ev->server);
return ECORE_CALLBACK_RENEW;
}
Eina_Bool
_del(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_Con_Event_Server_Del *ev)
{
printf("Lost server with ip %s!\n", ecore_con_server_ip_get(ev->server));
ecore_main_loop_quit();
return ECORE_CALLBACK_RENEW;
}
Eina_Bool
_data(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_Con_Event_Server_Data *ev)
{
char fmt[128];
snprintf(fmt, sizeof(fmt),
"Received %i bytes from server:\n"
">>>>>\n"
"%%.%is\n"
">>>>>\n",
ev->size, ev->size);
printf(fmt, ev->data);
return ECORE_CALLBACK_RENEW;
}
int
main()
{
Ecore_Con_Server *svr;
Eina_Iterator *it;
const char *ca;
eina_init();
ecore_init();
ecore_con_init();
#ifdef HAVE_GNUTLS
gnutls_global_set_log_level(9);
gnutls_global_set_log_function(tls_log_func);
#endif
if (!(it = eina_file_ls("/etc/ssl/certs")))
exit(1);
if (!(svr = ecore_con_server_connect(ECORE_CON_REMOTE_TCP | ECORE_CON_USE_MIXED, "www.verisign.com", 443, NULL)))
exit(1);
/* add all the CAs */
EINA_ITERATOR_FOREACH(it, ca)
{
if (!ecore_con_ssl_server_cafile_add(svr, ca))
printf("Could not load CA: %s!\n", ca);
eina_stringshare_del(ca);
}
eina_iterator_free(it);
ecore_con_ssl_server_verify(svr);
/* set event handler for server connect */
ecore_event_handler_add(ECORE_CON_EVENT_SERVER_ADD, (Ecore_Event_Handler_Cb)_add, NULL);
/* set event handler for server disconnect */
ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DEL, (Ecore_Event_Handler_Cb)_del, NULL);
/* set event handler for receiving server data */
ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DATA, (Ecore_Event_Handler_Cb)_data, NULL);
/* start client */
ecore_main_loop_begin();
}