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|
/*****************************************************************
|
| Platinum - HTTP Client Tasks
|
| Copyright (c) 2004-2010, Plutinosoft, LLC.
| All rights reserved.
| http://www.plutinosoft.com
|
| 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.
|
| OEMs, ISVs, VARs and other distributors that combine and
| distribute commercially licensed software with Platinum software
| and do not wish to distribute the source code for the commercially
| licensed software under version 2, or (at your option) any later
| version, of the GNU General Public License (the "GPL") must enter
| into a commercial license agreement with Plutinosoft, LLC.
| licensing@plutinosoft.com
|
| 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; see the file LICENSE.txt. If not, write to
| the Free Software Foundation, Inc.,
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
| http://www.gnu.org/licenses/gpl-2.0.html
|
****************************************************************/
/** @file
HTTP Client tasks
*/
#ifndef _PLT_HTTP_CLIENT_TASK_H_
#define _PLT_HTTP_CLIENT_TASK_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Neptune.h"
#include "PltHttp.h"
#include "PltThreadTask.h"
/*----------------------------------------------------------------------
| PLT_HttpClientSocketTask class
+---------------------------------------------------------------------*/
/**
The PLT_HttpClientSocketTask class is the base class used to send a HTTP request
asynchronously using a task (thread). It supports persistent connections
and HTTP pipelining with automatic fallback and reconnection when HTTP 1.0
is used.
*/
class PLT_HttpClientSocketTask : public PLT_ThreadTask
{
friend class PLT_ThreadTask;
public:
PLT_HttpClientSocketTask(NPT_HttpRequest* request = NULL,
bool wait_forever = false);
virtual NPT_Result AddRequest(NPT_HttpRequest* request);
virtual NPT_Result SetHttpClientConfig(const NPT_HttpClient::Config& config);
protected:
virtual ~PLT_HttpClientSocketTask();
protected:
// PLT_ThreadTask methods
virtual void DoAbort();
virtual void DoRun();
virtual NPT_Result ProcessResponse(NPT_Result res,
const NPT_HttpRequest& request,
const NPT_HttpRequestContext& context,
NPT_HttpResponse* response);
private:
NPT_Result GetNextRequest(NPT_HttpRequest*& request, NPT_Timeout timeout_ms);
protected:
NPT_HttpClient m_Client;
bool m_WaitForever;
NPT_Queue<NPT_HttpRequest> m_Requests;
};
/*----------------------------------------------------------------------
| PLT_HttpClientTask class
+---------------------------------------------------------------------*/
/**
The PLT_HttpClientTask class is a templatized version of PLT_HttpClientSocketTask
to support arbitrary delegation of HTTP response handling.
*/
template <class T>
class PLT_HttpClientTask : public PLT_HttpClientSocketTask
{
public:
PLT_HttpClientTask<T>(const NPT_HttpUrl& url, T* data) :
PLT_HttpClientSocketTask(new NPT_HttpRequest(url,
"GET",
NPT_HTTP_PROTOCOL_1_1)),
m_Data(data) {}
protected:
virtual ~PLT_HttpClientTask<T>() {}
protected:
// PLT_HttpClientSocketTask method
NPT_Result ProcessResponse(NPT_Result res,
const NPT_HttpRequest& request,
const NPT_HttpRequestContext& context,
NPT_HttpResponse* response) {
return m_Data->ProcessResponse(res, request, context, response);
}
protected:
T* m_Data;
};
#endif /* _PLT_HTTP_CLIENT_TASK_H_ */
|
