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ca456a7241
These callbacks can call object's methods, not some global C functions. DropboxStorage::info2() and DropboxStorage::infoMethodCallback() demonstrate the idea.
100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#define FORBIDDEN_SYMBOL_ALLOW_ALL
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#include "backends/networking/curl/curljsonrequest.h"
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#include "backends/networking/curl/connectionmanager.h"
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#include "backends/networking/curl/networkreadstream.h"
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#include "common/debug.h"
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#include "common/json.h"
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#include <curl/curl.h>
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namespace Networking {
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CurlJsonRequest::CurlJsonRequest(SimpleCallback cb, const char *url) : Request(cb), _stream(0), _headersList(0), _contentsStream(DisposeAfterUse::YES) {
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_url = url;
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}
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CurlJsonRequest::~CurlJsonRequest() {
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if (_stream) delete _stream;
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}
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char *CurlJsonRequest::getPreparedContents() {
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//write one more byte in the end
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byte zero[1] = { 0 };
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_contentsStream.write(zero, 1);
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//replace all "bad" bytes with '.' character
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byte *result = _contentsStream.getData();
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uint32 size = _contentsStream.size();
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for (uint32 i = 0; i < size; ++i)
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if (result[i] < 0x20 || result[i] > 0x7f)
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result[i] = '.';
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//make it zero-terminated string
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result[size - 1] = '\0';
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return (char *)result;
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}
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bool CurlJsonRequest::handle() {
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if (!_stream) _stream = new NetworkReadStream(_url, _headersList, _postFields);
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if (_stream) {
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const int kBufSize = 16*1024;
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char buf[kBufSize+1];
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uint32 readBytes = _stream->read(buf, kBufSize);
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if (readBytes != 0)
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if (_contentsStream.write(buf, readBytes) != readBytes)
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warning("MemoryWriteStreamDynamic was unable to write all the bytes");
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if (_stream->eos()) {
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if (_stream->httpResponseCode() != 200)
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warning("HTTP response code is not 200 OK");
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if (_callback) {
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char *contents = getPreparedContents();
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Common::JSONValue *json = Common::JSON::parse(contents);
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_callback(this, json); //potential memory leak, free it in your callbacks!
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}
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return true;
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}
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}
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return false;
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}
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void CurlJsonRequest::addHeader(Common::String header) {
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_headersList = curl_slist_append(_headersList, header.c_str());
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}
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void CurlJsonRequest::addPostField(Common::String keyValuePair) {
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if (_postFields == "")
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_postFields = keyValuePair;
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else
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_postFields += "&" + keyValuePair;
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}
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} //end of namespace Networking
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