/usr/include/cxxtools/http/client.h is in libcxxtools-dev 2.0-4ubuntu2.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2009 by Marc Boris Duerner, Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef cxxtools_Http_Client_h
#define cxxtools_Http_Client_h
#include <cxxtools/http/api.h>
#include <cxxtools/selectable.h>
#include <cxxtools/signal.h>
#include <cxxtools/delegate.h>
#include <cxxtools/noncopyable.h>
#include <string>
namespace cxxtools
{
class SelectorBase;
namespace net
{
class AddrInfo;
}
namespace http
{
class ClientImpl;
class ReplyHeader;
class Request;
class CXXTOOLS_HTTP_API Client : private NonCopyable
{
ClientImpl* _impl;
public:
Client();
Client(const std::string& host, unsigned short int port);
Client(const net::AddrInfo& addr);
Client(SelectorBase& selector, const std::string& host, unsigned short int port);
Client(SelectorBase& selector, const net::AddrInfo& addrinfo);
~Client();
// Sets the host and port. No actual network connect is done.
void connect(const net::AddrInfo& addrinfo);
void connect(const std::string& host, unsigned short int port);
// Sends the passed request to the server and parses the headers.
// The body must be read with readBody.
// This method blocks or times out until the body is parsed.
const ReplyHeader& execute(const Request& request,
std::size_t timeout = Selectable::WaitInfinite);
const ReplyHeader& header();
// Reads the http body after header read with execute.
// This method blocks until the body is received.
void readBody(std::string& s);
// Reads the http body after header read with execute.
// This method blocks until the body is received.
std::string readBody()
{
std::string ret;
readBody(ret);
return ret;
}
// Combines the execute and readBody methods in one call.
// This method blocks until the reply is recieved.
std::string get(const std::string& url,
std::size_t timeout = Selectable::WaitInfinite);
// Starts a new request.
// This method does not block. To actually process the request, the
// event loop must be executed. The state of the request is signaled
// with the corresponding signals and delegates.
// The delegate "bodyAvailable" must be connected, if a body is
// received.
void beginExecute(const Request& request);
void endExecute();
void setSelector(SelectorBase& selector);
// Executes the underlying selector until a event occures or the
// specified timeout is reached.
void wait(std::size_t msecs);
// Returns the underlying stream, where the reply may be read from.
std::istream& in();
const std::string& host() const;
unsigned short int port() const;
// Sets the username and password for all subsequent requests.
void auth(const std::string& username, const std::string& password);
void clearAuth();
void cancel();
// Signals that the request is sent to the server.
Signal<Client&> requestSent;
// Signals that the header is received.
Signal<Client&> headerReceived;
// This delegate is called, when data is arrived while reading the
// body. The connected functor must return the number of bytes read.
cxxtools::Delegate<std::size_t, Client&> bodyAvailable;
// Signals that the reply is completely processed.
Signal<Client&> replyFinished;
};
} // namespace http
} // namespace cxxtools
#endif
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