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author | Alexander Tkachev | 2016-06-15 23:54:53 +0600 |
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committer | Alexander Tkachev | 2016-08-24 16:07:55 +0600 |
commit | 13c54f66850226a516da0450b633ebafbc26584e (patch) | |
tree | 5c2582cc47296bee1fd3dc7e8f55bddb102bc61f /backends/networking/sdl_net/getclienthandler.cpp | |
parent | 99c51380fdc866ce393c52eb41803a9ec119a9ad (diff) | |
download | scummvm-rg350-13c54f66850226a516da0450b633ebafbc26584e.tar.gz scummvm-rg350-13c54f66850226a516da0450b633ebafbc26584e.tar.bz2 scummvm-rg350-13c54f66850226a516da0450b633ebafbc26584e.zip |
CLOUD: Add GetClientHandler
That ClientHandler is made for responding GET requests. It calculates
stream's length, it allows to specify response code and headers, it can
be used to transfer any ReadStream.
Diffstat (limited to 'backends/networking/sdl_net/getclienthandler.cpp')
-rw-r--r-- | backends/networking/sdl_net/getclienthandler.cpp | 94 |
1 files changed, 94 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..48a03e02f9 --- /dev/null +++ b/backends/networking/sdl_net/getclienthandler.cpp @@ -0,0 +1,94 @@ +/* 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) {} + +GetClientHandler::~GetClientHandler() { delete _stream; } + +const char *GetClientHandler::responseMessage(long responseCode) { + switch (responseCode) { + case 200: return "OK"; + case 400: return "Bad Request"; + case 404: return "Not Found"; + case 500: return "Internal Server Error"; + } + 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 %d %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(); + + const int kBufSize = 16 * 1024; + char buf[kBufSize]; + uint32 readBytes; + + // send headers first + if (_headers.size() > 0) { + readBytes = _headers.size(); + if (readBytes > kBufSize) readBytes = kBufSize; + memcpy(buf, _headers.c_str(), readBytes); + _headers.erase(0, readBytes); + } else { + if (!_stream) { + client->close(); + return; + } + + readBytes = _stream->read(buf, kBufSize); + } + + if (readBytes != 0) + if (client->send(buf, 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 |