diff options
Diffstat (limited to 'backends/networking/curl')
-rw-r--r-- | backends/networking/curl/connectionmanager.cpp | 71 | ||||
-rw-r--r-- | backends/networking/curl/connectionmanager.h | 47 | ||||
-rw-r--r-- | backends/networking/curl/networkreadstream.cpp | 70 | ||||
-rw-r--r-- | backends/networking/curl/networkreadstream.h | 75 |
4 files changed, 263 insertions, 0 deletions
diff --git a/backends/networking/curl/connectionmanager.cpp b/backends/networking/curl/connectionmanager.cpp new file mode 100644 index 0000000000..b7b7112c7f --- /dev/null +++ b/backends/networking/curl/connectionmanager.cpp @@ -0,0 +1,71 @@ +/* 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 "backends/networking/curl/connectionmanager.h" +#include "backends/networking/curl/networkreadstream.h" +#include "common/debug.h" +#include <curl/curl.h> + +namespace Networking { + +ConnectionManager::ConnectionManager(): _multi(0) { + curl_global_init(CURL_GLOBAL_ALL); + _multi = curl_multi_init(); +} + +ConnectionManager::~ConnectionManager() { + curl_multi_cleanup(_multi); + curl_global_cleanup(); +} + +NetworkReadStream *ConnectionManager::makeRequest(const char *url) { + NetworkReadStream *stream = new NetworkReadStream(url); + curl_multi_add_handle(_multi, stream->getEasyHandle()); + return stream; +} + +void ConnectionManager::handle() { + int U; + curl_multi_perform(_multi, &U); + + int Q; + CURLMsg *curlMsg; + while ((curlMsg = curl_multi_info_read(_multi, &Q))) { + if (curlMsg->msg == CURLMSG_DONE) { + CURL *e = curlMsg->easy_handle; + + NetworkReadStream *stream; + curl_easy_getinfo(e, CURLINFO_PRIVATE, &stream); + if (stream) stream->done(); + + debug("ConnectionManager: SUCCESS (%d - %s)", curlMsg->data.result, curl_easy_strerror(curlMsg->data.result)); + curl_multi_remove_handle(_multi, e); + } else { + debug("ConnectionManager: FAILURE (CURLMsg (%d))", curlMsg->msg); + //TODO: notify stream on this case also + } + } +} + +} //end of namespace Cloud diff --git a/backends/networking/curl/connectionmanager.h b/backends/networking/curl/connectionmanager.h new file mode 100644 index 0000000000..fadcdf1372 --- /dev/null +++ b/backends/networking/curl/connectionmanager.h @@ -0,0 +1,47 @@ +/* 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_CONNECTIONMANAGER_H +#define BACKENDS_NETWORKING_CURL_CONNECTIONMANAGER_H + +#include "common/str.h" + +typedef void CURLM; + +namespace Networking { + +class NetworkReadStream; + +class ConnectionManager { + CURLM *_multi; + +public: + ConnectionManager(); + virtual ~ConnectionManager(); + + NetworkReadStream *makeRequest(const char *url); + void handle(); +}; + +} //end of namespace Cloud + +#endif diff --git a/backends/networking/curl/networkreadstream.cpp b/backends/networking/curl/networkreadstream.cpp new file mode 100644 index 0000000000..5049ae507b --- /dev/null +++ b/backends/networking/curl/networkreadstream.cpp @@ -0,0 +1,70 @@ +/* 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 "backends/networking/curl/networkreadstream.h" +#include "common/debug.h" +#include <curl/curl.h> + +namespace Networking { + +static size_t curlDataCallback(char *d, size_t n, size_t l, void *p) { + NetworkReadStream *stream = (NetworkReadStream *)p; + if (stream) return stream->write(d, n*l); + return 0; +} + +NetworkReadStream::NetworkReadStream(const char *url): _easy(0), _eos(false), _requestComplete(false) { + _easy = curl_easy_init(); + curl_easy_setopt(_easy, CURLOPT_WRITEFUNCTION, curlDataCallback); + curl_easy_setopt(_easy, CURLOPT_WRITEDATA, this); //so callback can call us + curl_easy_setopt(_easy, CURLOPT_PRIVATE, this); //so ConnectionManager can call us when request is complete + curl_easy_setopt(_easy, CURLOPT_HEADER, 0L); + curl_easy_setopt(_easy, CURLOPT_URL, url); + curl_easy_setopt(_easy, CURLOPT_VERBOSE, 0L); +} + +NetworkReadStream::~NetworkReadStream() { + curl_easy_cleanup(_easy); +} + +bool NetworkReadStream::eos() const { + return _eos; +} + +uint32 NetworkReadStream::read(void *dataPtr, uint32 dataSize) { + uint32 actuallyRead = MemoryReadWriteStream::read(dataPtr, dataSize); + + if (actuallyRead == 0) { + if (_requestComplete) _eos = true; + return 0; + } + + return actuallyRead; +} + +void NetworkReadStream::done() { + _requestComplete = true; +} + +} //end of namespace Cloud diff --git a/backends/networking/curl/networkreadstream.h b/backends/networking/curl/networkreadstream.h new file mode 100644 index 0000000000..9c7d8f83b6 --- /dev/null +++ b/backends/networking/curl/networkreadstream.h @@ -0,0 +1,75 @@ +/* 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_NETWORKREADSTREAM_H +#define BACKENDS_NETWORKING_CURL_NETWORKREADSTREAM_H + +#include "common/memstream.h" +#include "common/stream.h" +#include "common/str.h" + +typedef void CURL; + +namespace Networking { + +class NetworkReadStream: public Common::MemoryReadWriteStream { + CURL *_easy; + bool _eos, _requestComplete; + +public: + NetworkReadStream(const char *url); + virtual ~NetworkReadStream(); + + CURL *getEasyHandle() const { return _easy; } + + /** + * Returns true if a read failed because the stream end has been reached. + * This flag is cleared by clearErr(). + * For a SeekableReadStream, it is also cleared by a successful seek. + * + * @note The semantics of any implementation of this method are + * supposed to match those of ISO C feof(). In particular, in a stream + * with N bytes, reading exactly N bytes from the start should *not* + * set eos; only reading *beyond* the available data should set it. + */ + virtual bool eos() const; + + /** + * Read data from the stream. Subclasses must implement this + * method; all other read methods are implemented using it. + * + * @note The semantics of any implementation of this method are + * supposed to match those of ISO C fread(), in particular where + * it concerns setting error and end of file/stream flags. + * + * @param dataPtr pointer to a buffer into which the data is read + * @param dataSize number of bytes to be read + * @return the number of bytes which were actually read. + */ + virtual uint32 read(void *dataPtr, uint32 dataSize); + + void done(); +}; + +} //end of namespace Cloud + +#endif |