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backends/networking/http/httprequest.h

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef BACKENDS_NETWORKING_HTTP_HTTPREQUEST_H
+#define BACKENDS_NETWORKING_HTTP_HTTPREQUEST_H
+
+#include "backends/networking/http/request.h"
+#include "common/path.h"
+#include "common/str.h"
+#include "common/array.h"
+#include "common/list.h"
+#include "common/hashmap.h"
+#include "common/hash-str.h"
+
+namespace Networking {
+
+typedef Common::Array<Common::String> RequestHeaders;
+
+class NetworkReadStream;
+
+typedef Response<NetworkReadStream *> NetworkReadStreamResponse;
+typedef Common::BaseCallback<const NetworkReadStreamResponse &> *NetworkReadStreamCallback;
+
+class HttpRequest: public Request {
+protected:
+	Common::String _url;
+	NetworkReadStream *_stream;
+	RequestHeaders _headersList;
+	Common::String _postFields;
+	Common::HashMap<Common::String, Common::String> _formFields;
+	Common::HashMap<Common::String, Common::Path> _formFiles;
+	byte *_bytesBuffer;
+	uint32 _bytesBufferSize;
+	bool _uploading; //using PUT method
+	bool _usingPatch; //using PATCH method
+	bool _keepAlive;
+	long _keepAliveIdle, _keepAliveInterval;
+
+	NetworkReadStream *makeStream();
+
+public:
+	HttpRequest(DataCallback cb, ErrorCallback ecb, const Common::String &url);
+	~HttpRequest() override;
+
+	void handle() override;
+	void restart() override;
+	Common::String date() const override;
+
+	/** Replaces all headers with the passed array of headers. */
+	virtual void setHeaders(const Common::Array<Common::String> &headers);
+
+	/** Adds a header into headers list. */
+	virtual void addHeader(const Common::String &header);
+
+	/** Adds a post field (key=value pair). */
+	virtual void addPostField(const Common::String &field);
+
+	/** Adds a form/multipart field (name, value). */
+	virtual void addFormField(const Common::String &name, const Common::String &value);
+
+	/** Adds a form/multipart file (field name, file name). */
+	virtual void addFormFile(const Common::String &name, const Common::Path &filename);
+
+	/** Sets bytes buffer. */
+	virtual void setBuffer(byte *buffer, uint32 size);
+
+	/** Remembers to use PUT method when it would create NetworkReadStream. */
+	virtual void usePut();
+
+	/** Remembers to use PATCH method when it would create NetworkReadStream. */
+	virtual void usePatch();
+
+	/** Remembers to use Connection: keep-alive or close. */
+	virtual void connectionKeepAlive(long idle = 120, long interval = 60);
+	virtual void connectionClose();
+
+	/**
+	 * Starts this Request with ConnMan.
+	 * @return its NetworkReadStream in NetworkReadStreamResponse.
+	 */
+	virtual NetworkReadStreamResponse execute();
+
+	/** Returns Request's NetworkReadStream. */
+	const NetworkReadStream *getNetworkReadStream() const;
+
+	/** Waits for Request to be processed. Should be called after Request is put into ConnMan. */
+	void wait(int spinlockDelay = 5);
+};
+
+} // End of namespace Networking
+
+#endif