On 03/01/2014 17:51, Nicolas Aguirre wrote:
This patch fix a problem when using ecore_con with UDP
Eina_bin_buf is called without calling eina_binbuf_new, resulting with
the following warning :
lib/eina/eina_binbuf_template_c.x:95 eina_binbuf_append_length() ***
Eina Magic Check Failed !!
SPANK SPANK SPANK
{F7205}
PS : i should be stupid, but i can't connect to phab. So i send the
patch here ....
I reproduced bug using attached files, and indeed, this patch solves it.
//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>
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(int argc, const char *argv[])
{
Ecore_Con_Server *svr;
const char *address;
char welcome[] = "hello! - sent from the client";
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_UDP, address, port, NULL)))
{
printf("could not connect to the server: %s, port %d.\n",
address, port);
exit(2);
}
/* set event handler for receiving server data */
ecore_event_handler_add(ECORE_CON_EVENT_SERVER_DATA, (Ecore_Event_Handler_Cb)_data, NULL);
ecore_con_server_send(svr, welcome, sizeof(welcome));
/* start client */
ecore_main_loop_begin();
ecore_con_init();
ecore_init();
eina_init();
return 0;
}
//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>
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_UDP, "127.0.0.1", 5555, 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;
}
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