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ecore_con_server_simple_example.c

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

//Compile with:
// gcc -o ecore_con_server_simple_example ecore_con_server_simple_example.c `pkg-config --libs --cflags ecore ecore-con eina`
#include <stdio.h>
#include <Ecore.h>
#include <Ecore_Con.h>
#ifdef HAVE_CONFIG_H
# include "config.h"
#else
# define EINA_UNUSED
#endif
struct _Client
{
int sdata;
};
Eina_Bool
_add(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_Con_Event_Client_Add *ev)
{
char welcome[] = "hello! - sent from the server";
Ecore_Con_Server *srv;
Ecore_Con_Client *cl;
const Eina_List *clients, *l;
struct _Client *client = malloc(sizeof(*client));
client->sdata = 0;
printf("Client with ip %s, port %d, connected = %d!\n",
ecore_con_client_ip_get(ev->client),
ecore_con_client_port_get(ev->client),
ecore_con_client_connected_get(ev->client));
ecore_con_client_send(ev->client, welcome, sizeof(welcome));
ecore_con_client_flush(ev->client);
ecore_con_client_timeout_set(ev->client, 6);
ecore_con_client_data_set(ev->client, client);
srv = ecore_con_client_server_get(ev->client);
printf("Clients connected to this server:\n");
clients = ecore_con_server_clients_get(srv);
EINA_LIST_FOREACH(clients, l, cl)
printf("%s\n", ecore_con_client_ip_get(cl));
return ECORE_CALLBACK_RENEW;
}
Eina_Bool
_del(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_Con_Event_Client_Del *ev)
{
struct _Client *client;
if (!ev->client)
return ECORE_CALLBACK_RENEW;
client = ecore_con_client_data_get(ev->client);
printf("Lost client with ip %s!\n", ecore_con_client_ip_get(ev->client));
printf("Total data received from this client: %d\n", client->sdata);
printf("Client was connected for %0.3f seconds.\n",
ecore_con_client_uptime_get(ev->client));
if (client)
free(client);
ecore_con_client_del(ev->client);
return ECORE_CALLBACK_RENEW;
}
Eina_Bool
_data(void *data EINA_UNUSED, int type EINA_UNUSED, Ecore_Con_Event_Client_Data *ev)
{
char fmt[128];
struct _Client *client = ecore_con_client_data_get(ev->client);
snprintf(fmt, sizeof(fmt),
"Received %i bytes from client %s port %d:\n"
">>>>>\n"
"%%.%is\n"
">>>>>\n",
ev->size, ecore_con_client_ip_get(ev->client),
ecore_con_client_port_get(ev->client), ev->size);
printf(fmt, ev->data);
client->sdata += ev->size;
return ECORE_CALLBACK_RENEW;
}
int
main(void)
{
Ecore_Con_Server *svr;
Ecore_Con_Client *cl;
const Eina_List *clients, *l;
eina_init();
ecore_init();
ecore_con_init();
if (!(svr = ecore_con_server_add(ECORE_CON_REMOTE_TCP, "127.0.0.1", 8080, NULL)))
exit(1);
ecore_event_handler_add(ECORE_CON_EVENT_CLIENT_ADD, (Ecore_Event_Handler_Cb)_add, NULL);
ecore_event_handler_add(ECORE_CON_EVENT_CLIENT_DEL, (Ecore_Event_Handler_Cb)_del, NULL);
ecore_event_handler_add(ECORE_CON_EVENT_CLIENT_DATA, (Ecore_Event_Handler_Cb)_data, NULL);
ecore_con_server_timeout_set(svr, 10);
ecore_con_server_client_limit_set(svr, 3, 0);
ecore_main_loop_begin();
clients = ecore_con_server_clients_get(svr);
printf("Clients connected to this server when exiting: %d\n",
eina_list_count(clients));
EINA_LIST_FOREACH(clients, l, cl)
{
printf("%s\n", ecore_con_client_ip_get(cl));
free(ecore_con_client_data_get(cl));
}
printf("Server was up for %0.3f seconds\n",
ecore_con_server_uptime_get(svr));
ecore_con_shutdown();
ecore_shutdown();
eina_shutdown();
return 0;
}