99e21f4320
Session allows to reuse SessionRequests to the same host by making them
keeping alive connection. Turns out, though, that libcurl already does
that for us, and we didn't gain any speedup we thought we'd get.
Usage:
```
Networking::Session s;
Networking::SessionRequest *request = s.get(url);
request->startAndWait();
warning("HTTP GET: %s", request->text());
s.close();
```
You can still use SessionRequest without Session (but you can't put them
on stack!):
```
Networking::SessionRequest *request = new
Networking::SessionRequest(url);
request->startAndWait();
warning("HTTP GET: %s", request->text());
request->close();
```
73 lines
2.2 KiB
C++
73 lines
2.2 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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#ifndef BACKENDS_NETWORKING_CURL_SESSIONREQUEST_H
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#define BACKENDS_NETWORKING_CURL_SESSIONREQUEST_H
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#include "backends/networking/curl/curlrequest.h"
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#include "common/memstream.h"
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#include "common/json.h"
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namespace Networking {
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#define CURL_SESSION_REQUEST_BUFFER_SIZE 512 * 1024
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class SessionRequest: public CurlRequest {
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protected:
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Common::MemoryWriteStreamDynamic _contentsStream;
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byte *_buffer;
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char *_text;
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bool _started, _complete, _success;
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bool reuseStream();
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/** Prepares raw bytes from _contentsStream. */
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char *getPreparedContents();
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virtual void finishError(ErrorResponse error);
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virtual void finishSuccess();
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public:
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SessionRequest(Common::String url, DataCallback cb = nullptr, ErrorCallback ecb = nullptr);
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virtual ~SessionRequest();
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void start();
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void startAndWait();
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void reuse(Common::String url, DataCallback cb = nullptr, ErrorCallback ecb = nullptr);
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virtual void handle();
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virtual void restart();
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/** This request DOES NOT delete automatically after calling callbacks. It gets PAUSED, and in order to make it FINISHED (i.e. delete), this method MUST be called. */
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void close();
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bool complete();
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bool success();
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char *text();
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Common::JSONValue *json();
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};
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} // End of namespace Networking
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#endif
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