static int rarch_main_data_http_iterate_transfer_parse(http_handle_t *http)
{
size_t len;
char *data = (char*)net_http_data(http->handle, &len, false);
if (data && http->cb)
http->cb(data, len);
net_http_delete(http->handle);
http->handle = NULL;
msg_queue_clear(http->msg_queue);
return 0;
}
static void rarch_task_http_transfer_handler(rarch_task_t *task)
{
http_handle_t *http = (http_handle_t*)task->state;
http_transfer_data_t *data;
switch (http->status)
{
case HTTP_STATUS_CONNECTION_TRANSFER_PARSE:
rarch_main_data_http_conn_iterate_transfer_parse(http);
http->status = HTTP_STATUS_TRANSFER;
break;
case HTTP_STATUS_CONNECTION_TRANSFER:
if (!rarch_main_data_http_con_iterate_transfer(http))
http->status = HTTP_STATUS_CONNECTION_TRANSFER_PARSE;
break;
case HTTP_STATUS_TRANSFER:
if (!rarch_main_data_http_iterate_transfer(task))
goto task_finished;
break;
case HTTP_STATUS_TRANSFER_PARSE:
case HTTP_STATUS_POLL:
goto task_finished;
default:
break;
}
if (task->cancelled || http->error)
goto task_finished;
return;
task_finished:
task->finished = true;
if (http->handle)
{
size_t len = 0;
char *tmp = (char*)net_http_data(http->handle, &len, false);
if (tmp && http->cb)
http->cb(tmp, len);
if (net_http_error(http->handle) || task->cancelled)
{
tmp = (char*)net_http_data(http->handle, &len, true);
if (tmp)
free(tmp);
if (task->cancelled)
task->error = strdup("Task cancelled.");
else
task->error = strdup("Download failed.");
}
else
{
data = (http_transfer_data_t*)calloc(1, sizeof(*data));
data->data = tmp;
data->len = len;
task->task_data = data;
}
net_http_delete(http->handle);
} else if (http->error)
task->error = strdup("Internal error.");
free(http);
}
int net_http_get(const char **result, size_t *size, const char *url, retro_time_t *timeout)
{
size_t length;
uint8_t* data = NULL;
char* res = NULL;
int ret = NET_HTTP_GET_OK;
struct http_t* http = NULL;
retro_time_t t0 = cpu_features_get_time_usec();
struct http_connection_t *conn = net_http_connection_new(url);
*result = NULL;
/* Error creating the connection descriptor. */
if (!conn)
goto error;
/* Don't bother with timeouts here, it's just a string scan. */
while (!net_http_connection_iterate(conn)) {}
/* Error finishing the connection descriptor. */
if (!net_http_connection_done(conn))
{
ret = NET_HTTP_GET_MALFORMED_URL;
goto error;
}
http = net_http_new(conn);
/* Error connecting to the endpoint. */
if (!http)
{
ret = NET_HTTP_GET_CONNECT_ERROR;
goto error;
}
while (!net_http_update(http, NULL, NULL))
{
/* Timeout error. */
if (timeout && (cpu_features_get_time_usec() - t0) > *timeout)
{
ret = NET_HTTP_GET_TIMEOUT;
goto error;
}
}
data = net_http_data(http, &length, false);
if (data)
{
res = (char*)malloc(length + 1);
/* Allocation error. */
if ( !res )
goto error;
memcpy((void*)res, (void*)data, length);
free(data);
res[length] = 0;
*result = res;
}
else
{
length = 0;
*result = NULL;
}
if (size)
*size = length;
error:
if ( http )
net_http_delete( http );
if ( conn )
net_http_connection_free( conn );
if (timeout)
{
t0 = cpu_features_get_time_usec() - t0;
if (t0 < *timeout)
*timeout -= t0;
else
*timeout = 0;
}
return ret;
}