1 files changed, 121 insertions, 0 deletions
diff --git a/protocols/Steam/src/request_queue.cpp b/protocols/Steam/src/request_queue.cpp
new file mode 100644
index 0000000000..4e343a5118
--- /dev/null
+++ b/protocols/Steam/src/request_queue.cpp
@@ -0,0 +1,121 @@
+/*
+Copyright (c) 2015 Miranda NG project (http://miranda-ng.org)
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation version 2
+of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "stdafx.h"
+
+RequestQueue::RequestQueue(HANDLE hConnection) :
+	hConnection(hConnection), requests(1)
+{
+	isTerminated = true;
+	hRequestQueueThread = NULL;
+	hRequestQueueEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
+}
+
+RequestQueue::~RequestQueue()
+{
+	requests.destroy();
+	CloseHandle(hRequestQueueEvent);
+}
+
+void RequestQueue::Start()
+{
+	if (!isTerminated)
+		return;
+
+	isTerminated = false;
+	if (hRequestQueueThread == NULL)
+		hRequestQueueThread = mir_forkthread((pThreadFunc)&RequestQueue::WorkerThread, this);
+}
+
+void RequestQueue::Stop()
+{
+	if (isTerminated)
+		return;
+
+	isTerminated = true;
+	SetEvent(hRequestQueueEvent);
+}
+
+void RequestQueue::Push(HttpRequest *request, HttpResponseCallback response, void *arg, HttpFinallyCallback last)
+{
+	if (isTerminated)
+		return;
+
+	RequestQueueItem *item = new RequestQueueItem(request, response, arg, last);
+	{
+		mir_cslock lock(requestQueueLock);
+
+		requests.insert(item);
+	}
+	SetEvent(hRequestQueueEvent);
+}
+
+void RequestQueue::Send(HttpRequest *request, HttpResponseCallback response, void *arg, HttpFinallyCallback last)
+{
+	RequestQueueItem *item = new RequestQueueItem(request, response, arg, last);
+	mir_forkthreadowner((pThreadFuncOwner)&RequestQueue::AsyncSendThread, this, item, 0);
+}
+
+void RequestQueue::Execute(RequestQueueItem *item)
+{
+	NETLIBHTTPREQUEST *response = item->request->Send(hConnection);
+	if (item->responseCallback != NULL)
+		item->responseCallback(response, item->arg);
+	CallService(MS_NETLIB_FREEHTTPREQUESTSTRUCT, 0, (LPARAM)response);
+	if (item->finallyCallback != NULL)
+		item->finallyCallback(item->arg);
+	requests.remove(item);
+	delete item;
+}
+
+unsigned int RequestQueue::AsyncSendThread(void *owner, void *arg)
+{
+	RequestQueue *that = (RequestQueue*)owner;
+	RequestQueueItem *item = (RequestQueueItem*)arg;
+
+	that->Execute(item);
+
+	return 0;
+}
+
+unsigned int RequestQueue::WorkerThread(void *arg)
+{
+	RequestQueue *queue = (RequestQueue*)arg;
+
+	while (!queue->isTerminated)
+	{
+		WaitForSingleObject(queue->hRequestQueueEvent, INFINITE);
+		while (true)
+		{
+			RequestQueueItem *item = NULL;
+			{
+				mir_cslock lock(queue->requestQueueLock);
+
+				if (queue->requests.getCount() == 0)
+					break;
+
+				item = queue->requests[0];
+				queue->requests.remove(0);
+			}
+			if (item != NULL)
+				queue->Execute(item);
+		}
+	}
+
+	queue->hRequestQueueThread = NULL;
+	return 0;
+}
+\ No newline at end of file