GaimSrvQueryData *
gaim_srv_resolve(const char *protocol, const char *transport, const char *domain, GaimSrvCallback cb, gpointer extradata)
{
char *query;
GaimSrvQueryData *query_data;
#ifndef _WIN32
int in[2], out[2];
int pid;
#else
GError* err = NULL;
static gboolean initialized = FALSE;
#endif
query = g_strdup_printf("_%s._%s.%s", protocol, transport, domain);
gaim_debug_info("dnssrv","querying SRV record for %s\n", query);
#ifndef _WIN32
if(pipe(in) || pipe(out)) {
gaim_debug_error("dnssrv", "Could not create pipe\n");
g_free(query);
cb(NULL, 0, extradata);
return NULL;
}
pid = fork();
if (pid == -1) {
gaim_debug_error("dnssrv", "Could not create process!\n");
cb(NULL, 0, extradata);
g_free(query);
return NULL;
}
/* Child */
if (pid == 0)
{
close(out[0]);
close(in[1]);
resolve(in[0], out[1]);
}
close(out[1]);
close(in[0]);
if (write(in[1], query, strlen(query)+1) < 0)
gaim_debug_error("dnssrv", "Could not write to SRV resolver\n");
query_data = g_new0(GaimSrvQueryData, 1);
query_data->cb = cb;
query_data->extradata = extradata;
query_data->handle = gaim_input_add(out[0], GAIM_INPUT_READ, resolved, query_data);
g_free(query);
return query_data;
#else
if (!initialized) {
MyDnsQuery_UTF8 = (void*) wgaim_find_and_loadproc("dnsapi.dll", "DnsQuery_UTF8");
MyDnsRecordListFree = (void*) wgaim_find_and_loadproc(
"dnsapi.dll", "DnsRecordListFree");
initialized = TRUE;
}
query_data = g_new0(GaimSrvQueryData, 1);
query_data->cb = cb;
query_data->query = query;
query_data->extradata = extradata;
if (!MyDnsQuery_UTF8 || !MyDnsRecordListFree) {
query_data->error_message = g_strdup_printf("System missing DNS API (Requires W2K+)\n");
/* Asynchronously call the callback since stuff may not expect
* the callback to be called before this returns */
query_data->handle = g_idle_add(res_main_thread_cb, query_data);
return query_data;
}
query_data->resolver = g_thread_create(res_thread, query_data, FALSE, &err);
if (query_data->resolver == NULL)
{
query_data->error_message = g_strdup_printf("SRV thread create failure: %s\n", err ? err->message : "");
g_error_free(err);
/* Asynchronously call the callback since stuff may not expect
* the callback to be called before this returns */
query_data->handle = g_idle_add(res_main_thread_cb, query_data);
return query_data;
}
return query_data;
#endif
}
static void load_winver_specific_procs(void) {
/* Used for Win98+ and WinNT5+ */
MyFlashWindowEx = (LPFNFLASHWINDOWEX)wgaim_find_and_loadproc("user32.dll", "FlashWindowEx" );
}
