Merge pull request #788 from Tkachov/cloud

ALL: Add Cloud storage support

1 files changed, 162 insertions, 0 deletions

diff --git a/backends/networking/sdl_net/getclienthandler.cpp b/backends/networking/sdl_net/getclienthandler.cpp
new file mode 100644
index 0000000000..1c4f5db8a8
--- /dev/null
+++ b/backends/networking/sdl_net/getclienthandler.cpp
@@ -0,0 +1,162 @@
+/* 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/sdl_net/getclienthandler.h"
+#include "common/textconsole.h"
+
+namespace Networking {
+
+GetClientHandler::GetClientHandler(Common::SeekableReadStream *stream):
+	_responseCode(200), _headersPrepared(false),
+	_stream(stream), _buffer(new byte[CLIENT_HANDLER_BUFFER_SIZE]) {}
+
+GetClientHandler::~GetClientHandler() {
+	delete _stream;
+	delete[] _buffer;
+}
+
+const char *GetClientHandler::responseMessage(long responseCode) {
+	switch (responseCode) {
+	case 100: return "Continue";
+	case 101: return "Switching Protocols";
+	case 102: return "Processing";
+
+	case 200: return "OK";
+	case 201: return "Created";
+	case 202: return "Accepted";
+	case 203: return "Non-Authoritative Information";
+	case 204: return "No Content";
+	case 205: return "Reset Content";
+	case 206: return "Partial Content";
+	case 207: return "Multi-Status";
+	case 226: return "IM Used";
+
+	case 300: return "Multiple Choices";
+	case 301: return "Moved Permanently";
+	case 302: return "Moved Temporarily"; //case 302: return "Found";
+	case 303: return "See Other";
+	case 304: return "Not Modified";
+	case 305: return "Use Proxy";
+	case 306: return "RESERVED";
+	case 307: return "Temporary Redirect";
+
+	case 400: return "Bad Request";
+	case 401: return "Unauthorized";
+	case 402: return "Payment Required";
+	case 403: return "Forbidden";
+	case 404: return "Not Found";
+	case 405: return "Method Not Allowed";
+	case 406: return "Not Acceptable";
+	case 407: return "Proxy Authentication Required";
+	case 408: return "Request Timeout";
+	case 409: return "Conflict";
+	case 410: return "Gone";
+	case 411: return "Length Required";
+	case 412: return "Precondition Failed";
+	case 413: return "Request Entity Too Large";
+	case 414: return "Request-URI Too Large";
+	case 415: return "Unsupported Media Type";
+	case 416: return "Requested Range Not Satisfiable";
+	case 417: return "Expectation Failed";
+	case 422: return "Unprocessable Entity";
+	case 423: return "Locked";
+	case 424: return "Failed Dependency";
+	case 425: return "Unordered Collection";
+	case 426: return "Upgrade Required";
+	case 428: return "Precondition Required";
+	case 429: return "Too Many Requests";
+	case 431: return "Request Header Fields Too Large";
+	case 434: return "Requested Host Unavailable";
+	case 449: return "Retry With";
+	case 451: return "Unavailable For Legal Reasons";
+
+	case 500: return "Internal Server Error";
+	case 501: return "Not Implemented";
+	case 502: return "Bad Gateway";
+	case 503: return "Service Unavailable";
+	case 504: return "Gateway Timeout";
+	case 505: return "HTTP Version Not Supported";
+	case 506: return "Variant Also Negotiates";
+	case 507: return "Insufficient Storage";
+	case 508: return "Loop Detected";
+	case 509: return "Bandwidth Limit Exceeded";
+	case 510: return "Not Extended";
+	case 511: return "Network Authentication Required";
+	}
+	return "Unknown";
+}
+
+void GetClientHandler::prepareHeaders() {
+	if (!_specialHeaders.contains("Content-Type"))
+		setHeader("Content-Type", "text/html");
+
+	if (!_specialHeaders.contains("Content-Length") && _stream)
+		setHeader("Content-Length", Common::String::format("%u", _stream->size()));
+
+	_headers = Common::String::format("HTTP/1.1 %ld %s\r\n", _responseCode, responseMessage(_responseCode));
+	for (Common::HashMap<Common::String, Common::String>::iterator i = _specialHeaders.begin(); i != _specialHeaders.end(); ++i)
+		_headers += i->_key + ": " + i->_value + "\r\n";
+	_headers += "\r\n";
+
+	_headersPrepared = true;
+}
+
+void GetClientHandler::handle(Client *client) {
+	if (!client)
+		return;
+	if (!_headersPrepared)
+		prepareHeaders();
+
+	uint32 readBytes;
+
+	// send headers first
+	if (_headers.size() > 0) {
+		readBytes = _headers.size();
+		if (readBytes > CLIENT_HANDLER_BUFFER_SIZE)
+			readBytes = CLIENT_HANDLER_BUFFER_SIZE;
+		memcpy(_buffer, _headers.c_str(), readBytes);
+		_headers.erase(0, readBytes);
+	} else {
+		if (!_stream) {
+			client->close();
+			return;
+		}
+
+		readBytes = _stream->read(_buffer, CLIENT_HANDLER_BUFFER_SIZE);
+	}
+
+	if (readBytes != 0)
+		if (client->send(_buffer, readBytes) != readBytes) {
+			warning("GetClientHandler: unable to send all bytes to the client");
+			client->close();
+			return;
+		}
+
+	// we're done here!
+	if (_stream->eos())
+		client->close();
+}
+
+void GetClientHandler::setHeader(Common::String name, Common::String value) { _specialHeaders[name] = value; }
+void GetClientHandler::setResponseCode(long code) { _responseCode = code; }
+
+} // End of namespace Networking