/* Private functions */
Ecore_Pipe *
_ecore_pipe_add(Ecore_Pipe_Cb handler,
const void *data)
{
Ecore_Pipe *p = NULL;
int fds[2];
EINA_MAIN_LOOP_CHECK_RETURN_VAL(NULL);
if (!handler) return NULL;
p = ecore_pipe_calloc(1);
if (!p) return NULL;
if (pipe(fds))
{
ecore_pipe_mp_free(p);
return NULL;
}
ECORE_MAGIC_SET(p, ECORE_MAGIC_PIPE);
p->fd_read = fds[0];
p->fd_write = fds[1];
p->handler = handler;
p->data = data;
_ecore_fd_close_on_exec(fds[0]);
_ecore_fd_close_on_exec(fds[1]);
fcntl(p->fd_read, F_SETFL, O_NONBLOCK);
p->fd_handler = ecore_main_fd_handler_add(p->fd_read,
ECORE_FD_READ,
_ecore_pipe_read,
p,
NULL, NULL);
return p;
}
EAPI int
ecore_con_info_get(Ecore_Con_Server *svr,
Ecore_Con_Info_Cb done_cb,
void *data,
struct addrinfo *hints)
{
CB_Data *cbdata;
int fd[2];
if (pipe(fd) < 0)
{
ecore_con_event_server_error(svr, strerror(errno));
return 0;
}
_ecore_fd_close_on_exec(fd[0]);
_ecore_fd_close_on_exec(fd[1]);
cbdata = calloc(1, sizeof(CB_Data));
if (!cbdata)
{
close(fd[0]);
close(fd[1]);
return 0;
}
cbdata->cb_done = done_cb;
cbdata->data = data;
cbdata->fd2 = fd[1];
if (!(cbdata->fdh = ecore_main_fd_handler_add(fd[0], ECORE_FD_READ,
_ecore_con_info_data_handler,
cbdata,
NULL, NULL)))
{
ecore_con_event_server_error(svr, "Memory allocation failure");
free(cbdata);
close(fd[0]);
close(fd[1]);
return 0;
}
if ((cbdata->pid = fork()) == 0)
{
Ecore_Con_Info *container;
struct addrinfo *result = NULL;
char service[NI_MAXSERV] = {0};
char hbuf[NI_MAXHOST] = {0};
char sbuf[NI_MAXSERV] = {0};
unsigned char *tosend = NULL;
int tosend_len;
int canonname_len = 0;
eina_convert_itoa(svr->ecs ? svr->ecs->port : svr->port, service);
/* CHILD */
if (!getaddrinfo(svr->ecs ? svr->ecs->ip : svr->name, service, hints, &result) && result)
{
if (result->ai_canonname)
canonname_len = strlen(result->ai_canonname) + 1;
tosend_len = sizeof(Ecore_Con_Info) + result->ai_addrlen +
canonname_len;
tosend = alloca(tosend_len);
memset(tosend, 0, tosend_len);
container = (Ecore_Con_Info *)tosend;
container->size = tosend_len;
memcpy(&container->info,
result,
sizeof(struct addrinfo));
memcpy(tosend + sizeof(Ecore_Con_Info),
result->ai_addr,
result->ai_addrlen);
if (result->ai_canonname) /* FIXME: else... */
memcpy(tosend + sizeof(Ecore_Con_Info) + result->ai_addrlen,
result->ai_canonname,
canonname_len);
if (!getnameinfo(result->ai_addr, result->ai_addrlen,
hbuf, sizeof(hbuf), sbuf, sizeof(sbuf),
NI_NUMERICHOST | NI_NUMERICSERV))
{
memcpy(container->ip, hbuf, sizeof(container->ip));
memcpy(container->service, sbuf, sizeof(container->service));
}
if (write(fd[1], tosend, tosend_len) < 0) perror("write");
}
if (result)
freeaddrinfo(result);
if (write(fd[1], "", 1) < 0) perror("write");
close(fd[1]);
#if defined(__USE_ISOC99) && !defined(__UCLIBC__)
_Exit(0);
#else
_exit(0);
#endif
}
/* PARENT */
cbdata->handler =
ecore_event_handler_add(ECORE_EXE_EVENT_DEL, _ecore_con_info_exit_handler,
cbdata);
close(fd[1]);
if (!cbdata->handler)
{
ecore_main_fd_handler_del(cbdata->fdh);
free(cbdata);
close(fd[0]);
return 0;
}
info_slaves = (CB_Data *)eina_inlist_append(EINA_INLIST_GET(
info_slaves),
EINA_INLIST_GET(cbdata));
svr->infos = eina_list_append(svr->infos, cbdata);
return 1;
}
