2 files changed, 204 insertions, 0 deletions
diff --git a/backends/networking/curl/sessionrequest.cpp b/backends/networking/curl/sessionrequest.cpp
new file mode 100644
index 0000000000..5fe0e64aa1
--- /dev/null
+++ b/backends/networking/curl/sessionrequest.cpp
@@ -0,0 +1,135 @@
+/* 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.
+ *
+ */
+
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include <curl/curl.h>
+#include "backends/networking/curl/connectionmanager.h"
+#include "backends/networking/curl/networkreadstream.h"
+#include "backends/networking/curl/sessionrequest.h"
+#include "common/debug.h"
+#include "common/json.h"
+
+namespace Networking {
+
+SessionRequest::SessionRequest(Common::String url, DataCallback cb, ErrorCallback ecb):
+	CurlRequest(cb, ecb, url), _contentsStream(DisposeAfterUse::YES),
+	_buffer(new byte[CURL_SESSION_REQUEST_BUFFER_SIZE]), _text(nullptr),
+	_started(false), _complete(false), _success(false) {}
+
+SessionRequest::~SessionRequest() {
+	delete[] _buffer;
+}
+
+char *SessionRequest::getPreparedContents() {
+	//write one more byte in the end
+	byte zero[1] = {0};
+	_contentsStream.write(zero, 1);
+
+	//replace all "bad" bytes with '.' character
+	byte *result = _contentsStream.getData();
+	uint32 size = _contentsStream.size();
+
+	//make it zero-terminated string
+	result[size - 1] = '\0';
+
+	return (char *)result;
+}
+
+void SessionRequest::finishError(ErrorResponse error) {
+	_complete = true;
+	_success = false;
+	CurlRequest::finishError(error);
+}
+
+void SessionRequest::finishSuccess() {
+	_state = PAUSED;
+	_complete = true;
+	_success = true;
+
+	if (_callback)
+		(*_callback)(DataResponse(this, text()));
+}
+
+void SessionRequest::start() {
+	if (_started) {
+		warning("Can't start() SessionRequest as it is already started");
+	} else {
+		_started = true;
+		ConnMan.addRequest(this);
+	}
+}
+
+void SessionRequest::handle() {
+	if (!_stream) _stream = makeStream();
+
+	if (_stream) {
+		uint32 readBytes = _stream->read(_buffer, CURL_SESSION_REQUEST_BUFFER_SIZE);
+		if (readBytes != 0)
+			if (_contentsStream.write(_buffer, readBytes) != readBytes)
+				warning("SessionRequest: unable to write all the bytes into MemoryWriteStreamDynamic");
+
+		if (_stream->eos()) {			
+			finishSuccess();
+		}
+	}
+}
+
+void SessionRequest::restart() {
+	if (_stream)
+		delete _stream;
+	_stream = nullptr;
+	_contentsStream = Common::MemoryWriteStreamDynamic(DisposeAfterUse::YES);
+	_text = nullptr;
+	_complete = false;
+	_success = false;
+	//with no stream available next handle() will create another one
+}
+
+void SessionRequest::close() {
+	_state = FINISHED;
+}
+
+void SessionRequest::startAndWait() {
+	start();
+	wait();
+}
+
+bool SessionRequest::complete() {
+	return _complete;
+}
+
+bool SessionRequest::success() {
+	return _success;
+}
+
+char *SessionRequest::text() {
+	if (_text == nullptr)
+		_text = getPreparedContents();
+	return _text;
+}
+
+Common::JSONValue *SessionRequest::json() {
+	return Common::JSON::parse(text());
+}
+
+} // End of namespace Networking
diff --git a/backends/networking/curl/sessionrequest.h b/backends/networking/curl/sessionrequest.h
new file mode 100644
index 0000000000..590eee4a5a
--- /dev/null
+++ b/backends/networking/curl/sessionrequest.h
@@ -0,0 +1,69 @@
+/* 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_SESSIONREQUEST_H
+#define BACKENDS_NETWORKING_CURL_SESSIONREQUEST_H
+
+#include "backends/networking/curl/curlrequest.h"
+#include "common/memstream.h"
+#include "common/json.h"
+
+namespace Networking {
+
+#define CURL_SESSION_REQUEST_BUFFER_SIZE 512 * 1024
+
+class SessionRequest: public CurlRequest {
+protected:
+	Common::MemoryWriteStreamDynamic _contentsStream;
+	byte *_buffer;
+	char *_text;
+	bool _started, _complete, _success;
+
+	/** Prepares raw bytes from _contentsStream. */
+	char *getPreparedContents();
+
+	virtual void finishError(ErrorResponse error);
+	virtual void finishSuccess();
+
+public:
+	SessionRequest(Common::String url, DataCallback cb = nullptr, ErrorCallback ecb = nullptr);
+	virtual ~SessionRequest();
+
+	virtual void start();
+	virtual void handle();
+	virtual void restart();
+
+	/** This request DOES NOT delete automatically after calling callbacks. It gets PAUSED, and in order to make it FINISHED (i.e. delete), this method MUST be called. */
+	virtual void close();
+
+	void startAndWait();
+
+	bool complete();
+	bool success();
+
+	char *text();
+	Common::JSONValue *json();
+};
+
+} // End of namespace Networking
+
+#endif