NETWORKING: Added simple request handler

2 files changed, 166 insertions, 0 deletions

diff --git a/backends/networking/curl/postrequest.cpp b/backends/networking/curl/postrequest.cpp
new file mode 100644
index 0000000000..0becc8eef9
--- /dev/null
+++ b/backends/networking/curl/postrequest.cpp
@@ -0,0 +1,110 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "backends/networking/curl/postrequest.h"
+#include "backends/networking/curl/connectionmanager.h"
+#include "backends/networking/curl/curljsonrequest.h"
+#include "backends/networking/curl/networkreadstream.h"
+#include "common/json.h"
+
+namespace Networking {
+
+PostRequest::PostRequest(Common::String url, byte *postData, int postLen, Networking::JsonCallback cb, Networking::ErrorCallback ecb):
+	Networking::Request(nullptr, ecb), _url(url), _jsonCallback(cb),
+	_workingRequest(nullptr), _ignoreCallback(false), _postData(postData), _postLen(postLen) {
+	start();
+}
+
+PostRequest::~PostRequest() {
+	_ignoreCallback = true;
+	if (_workingRequest)
+		_workingRequest->finish();
+	delete _jsonCallback;
+}
+
+void PostRequest::start() {
+	_ignoreCallback = true;
+	if (_workingRequest)
+		_workingRequest->finish();
+	_ignoreCallback = false;
+
+	Networking::JsonCallback innerCallback = new Common::Callback<PostRequest, Networking::JsonResponse>(this, &PostRequest::responseCallback);
+	Networking::ErrorCallback errorResponseCallback = new Common::Callback<PostRequest, Networking::ErrorResponse>(this, &PostRequest::errorCallback);
+	Networking::CurlJsonRequest *request = new Networking::CurlJsonRequest(innerCallback, errorResponseCallback, _url);
+	request->addHeader("Content-Type: application/json");
+
+	request->setBuffer(_postData, _postLen);
+
+	_workingRequest = ConnMan.addRequest(request);
+}
+
+void PostRequest::responseCallback(Networking::JsonResponse response) {
+	Common::JSONValue *json = response.value;
+	_workingRequest = nullptr;
+	if (_ignoreCallback) {
+		delete json;
+		return;
+	}
+	if (response.request) _date = response.request->date();
+
+	Networking::ErrorResponse error(this, "PostRequest::responseCallback: unknown error");
+	Networking::CurlJsonRequest *rq = (Networking::CurlJsonRequest *)response.request;
+	if (rq && rq->getNetworkReadStream())
+		error.httpResponseCode = rq->getNetworkReadStream()->httpResponseCode();
+
+	if (json == nullptr) {
+		error.response = "Failed to parse JSON, null passed!";
+		finishError(error);
+		return;
+	}
+
+	if (!json->isObject()) {
+		error.response = "Passed JSON is not an object!";
+		finishError(error);
+		delete json;
+		return;
+	}
+
+	finishSuccess();
+
+	if (_jsonCallback)
+		(*_jsonCallback)(Networking::JsonResponse(this, json));
+
+	delete json;
+}
+
+void PostRequest::errorCallback(Networking::ErrorResponse error) {
+	_workingRequest = nullptr;
+	if (_ignoreCallback)
+		return;
+	if (error.request)
+		_date = error.request->date();
+	finishError(error);
+}
+
+void PostRequest::handle() {}
+
+void PostRequest::restart() { start(); }
+
+Common::String PostRequest::date() const { return _date; }
+
+} // End of namespace Networking
diff --git a/backends/networking/curl/postrequest.h b/backends/networking/curl/postrequest.h
new file mode 100644
index 0000000000..775af31a3f
--- /dev/null
+++ b/backends/networking/curl/postrequest.h
@@ -0,0 +1,56 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef BACKENDS_NETWORKING_CURL_POSTREQUEST_H
+#define BACKENDS_NETWORKING_CURL_POSTREQUEST_H
+
+#include "backends/networking/curl/request.h"
+#include "backends/networking/curl/curljsonrequest.h"
+
+namespace Networking {
+
+class PostRequest: public Networking::Request {
+	Common::String _url;
+	Networking::JsonCallback _jsonCallback;
+	Request *_workingRequest;
+	bool _ignoreCallback;
+	Common::String _date;
+
+	byte *_postData;
+	int _postLen;
+
+	void start();
+	void responseCallback(Networking::JsonResponse response);
+	void errorCallback(Networking::ErrorResponse error);
+
+public:
+	PostRequest(Common::String url, byte *postData, int postLen, Networking::JsonCallback cb, Networking::ErrorCallback ecb);
+	virtual ~PostRequest();
+
+	virtual void handle();
+	virtual void restart();
+	virtual Common::String date() const;
+};
+
+} // End of namespace Networking
+
+#endif