ecore_con_client_simple_example.c

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ecore_con_client_simple_example.c

Shows how to setup a simple client that connects to a server and sends a "hello" string to it. See the complete example description at Ecore_Con - Creating a client

//Compile with:
// gcc -o ecore_con_client_simple_example ecore_con_client_simple_example.c `pkg-config --libs --cflags ecore ecore-con eina`
#include <stdio.h>
#include <Ecore.h>
#include <Ecore_Con.h>
struct _Server
{
int sdata;
};
Eina_Bool
_add(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_Con_Event_Server_Add *ev)
{
char welcome[] = "hello! - sent from the client";
struct _Server *server = malloc(sizeof(*server));
server->sdata = 0;
ecore_con_server_data_set(ev->server, server);
printf("Server with ip %s, name %s, port %d, connected = %d!\n",
ecore_con_server_ip_get(ev->server),
ecore_con_server_name_get(ev->server),
ecore_con_server_port_get(ev->server),
ecore_con_server_connected_get(ev->server));
ecore_con_server_send(ev->server, welcome, sizeof(welcome));
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)
{
if (!ev->server)
{
printf("Failed to establish connection to the server.\nExiting.\n");
ecore_main_loop_quit();
return ECORE_CALLBACK_RENEW;
}
struct _Server *server = ecore_con_server_data_get(ev->server);
printf("Lost server with ip %s!\n", ecore_con_server_ip_get(ev->server));
if (server)
{
printf("Total data received from this server: %d\n", server->sdata);
free(server);
}
ecore_con_server_del(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];
struct _Server *server = ecore_con_server_data_get(ev->server);
snprintf(fmt, sizeof(fmt),
"Received %i bytes from server:\n"
">>>>>\n"
"%%.%is\n"
">>>>>\n",
ev->size, ev->size);
printf(fmt, ev->data);
server->sdata += ev->size;
return ECORE_CALLBACK_RENEW;
}
int
main(int argc, const char *argv[])
{
Ecore_Con_Server *svr;
const char *address;
int port = 8080;
if (argc < 2)
{
printf("wrong usage. Command syntax is:\n");
printf("\tecore_con_client_simple_example <address> [port]\n");
exit(1);
}
address = argv[1];
if (argc > 2)
port = atoi(argv[2]);
eina_init();
ecore_init();
ecore_con_init();
if (!(svr = ecore_con_server_connect(ECORE_CON_REMOTE_TCP, address, port, NULL)))
{
printf("could not connect to the server: %s, port %d.\n",
address, port);
exit(2);
}
/* 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();
ecore_con_shutdown();
ecore_shutdown();
eina_shutdown();
return 0;
}