/**
* The GSource dispatch() method implementation. The callback isn't
* used, because we're handling all events directly.
*/
static gboolean curl_source_dispatch(G_GNUC_UNUSED GSource *source,
G_GNUC_UNUSED GSourceFunc callback,
G_GNUC_UNUSED gpointer user_data)
{
if (http_multi_perform())
http_multi_info_read();
return true;
}
void
http_client_request(const char *url, const char *post_data,
const struct http_client_handler *handler, void *ctx)
{
struct http_request *request = g_new(struct http_request, 1);
CURLcode code;
CURLMcode mcode;
bool success;
request->handler = handler;
request->handler_ctx = ctx;
/* create a CURL request */
request->curl = curl_easy_init();
if (request->curl == NULL) {
g_free(request);
GError *error = g_error_new_literal(curl_quark(), 0,
"curl_easy_init() failed");
handler->error(error, ctx);
return;
}
mcode = curl_multi_add_handle(http_client.multi, request->curl);
if (mcode != CURLM_OK) {
curl_easy_cleanup(request->curl);
g_free(request);
GError *error = g_error_new_literal(curl_quark(), 0,
"curl_multi_add_handle() failed");
handler->error(error, ctx);
return;
}
/* .. and set it up */
curl_easy_setopt(request->curl, CURLOPT_USERAGENT,
"mpdscribble/" VERSION);
curl_easy_setopt(request->curl, CURLOPT_WRITEFUNCTION,
http_request_writefunction);
curl_easy_setopt(request->curl, CURLOPT_WRITEDATA, request);
curl_easy_setopt(request->curl, CURLOPT_FAILONERROR, true);
curl_easy_setopt(request->curl, CURLOPT_ERRORBUFFER, request->error);
curl_easy_setopt(request->curl, CURLOPT_BUFFERSIZE, 2048);
if (file_config.proxy != NULL)
curl_easy_setopt(request->curl, CURLOPT_PROXY, file_config.proxy);
request->post_data = g_strdup(post_data);
if (request->post_data != NULL) {
curl_easy_setopt(request->curl, CURLOPT_POST, true);
curl_easy_setopt(request->curl, CURLOPT_POSTFIELDS,
request->post_data);
}
code = curl_easy_setopt(request->curl, CURLOPT_URL, url);
if (code != CURLE_OK) {
curl_multi_remove_handle(http_client.multi, request->curl);
curl_easy_cleanup(request->curl);
g_free(request);
GError *error = g_error_new_literal(curl_quark(), code,
"curl_easy_setopt() failed");
handler->error(error, ctx);
return;
}
request->body = g_string_sized_new(256);
http_client.requests = g_slist_prepend(http_client.requests, request);
/* initiate the transfer */
success = http_multi_perform();
if (!success) {
http_client.requests = g_slist_remove(http_client.requests,
request);
http_request_free(request);
GError *error = g_error_new_literal(curl_quark(), code,
"http_multi_perform() failed");
handler->error(error, ctx);
return;
}
if (!http_client.locked)
http_multi_info_read();
}
void http_client_request(const char *url, const char *post_data,
http_client_callback_t *callback, void *data)
{
struct http_request *request = g_new(struct http_request, 1);
CURLcode code;
CURLMcode mcode;
bool success;
request->callback = callback;
request->callback_data = data;
/* create a CURL request */
request->curl = curl_easy_init();
if (request->curl == NULL) {
g_free(request);
callback(0, NULL, data);
return;
}
mcode = curl_multi_add_handle(http_client.multi, request->curl);
if (mcode != CURLM_OK) {
curl_easy_cleanup(request->curl);
g_free(request);
callback(0, NULL, data);
return;
}
/* .. and set it up */
curl_easy_setopt(request->curl, CURLOPT_USERAGENT, "mpdcron/" VERSION);
curl_easy_setopt(request->curl, CURLOPT_WRITEFUNCTION, http_request_writefunction);
curl_easy_setopt(request->curl, CURLOPT_WRITEDATA, request);
curl_easy_setopt(request->curl, CURLOPT_FAILONERROR, true);
curl_easy_setopt(request->curl, CURLOPT_ERRORBUFFER, request->error);
curl_easy_setopt(request->curl, CURLOPT_BUFFERSIZE, 2048);
if (file_config.proxy != NULL)
curl_easy_setopt(request->curl, CURLOPT_PROXY, file_config.proxy);
request->post_data = g_strdup(post_data);
if (request->post_data != NULL) {
curl_easy_setopt(request->curl, CURLOPT_POST, true);
curl_easy_setopt(request->curl, CURLOPT_POSTFIELDS, request->post_data);
}
code = curl_easy_setopt(request->curl, CURLOPT_URL, url);
if (code != CURLE_OK) {
curl_multi_remove_handle(http_client.multi, request->curl);
curl_easy_cleanup(request->curl);
g_free(request);
callback(0, NULL, data);
return;
}
request->body = g_string_sized_new(256);
http_client.requests = g_slist_prepend(http_client.requests, request);
/* initiate the transfer */
success = http_multi_perform();
if (!success) {
http_client.requests = g_slist_remove(http_client.requests, request);
http_request_free(request);
callback(0, NULL, data);
return;
}
http_multi_info_read();
}
