qmhttpstream.cpp

可以播放MP3,wma等文件格式的播放器

/* qmhttpstream.cpp
 *
 * $Id: qmhttpstream.cpp,v 1.2.2.1 2002/10/11 06:39:04 kyllingstad Exp $
 *
 * Apollo sound player: http://www.apolloplayer.org
 * Copyright(C) 2000-2002 Apollo Team.  See CREDITS file.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The GNU General Public License is also available online at:
 *
 * http://www.gnu.org/copyleft/gpl.html
 */

#include "qmhttpstream.h"

#include <iostream>

#include <qsocket.h>
#include <qtextstream.h>

/*!
  \class QmHttpStream qmhttpstream.h
  \brief Provides functionality for reading audio from a web server.


*/


/*!

*/

QmHttpStream::QmHttpStream(
	const QString &url)
	: m_Url(url),
	  m_HttpRequest(1024)
{
	m_pSocket = new QSocket;
	connect(m_pSocket, SIGNAL(hostFound()), this, SLOT(hostFound()));
	connect(m_pSocket, SIGNAL(connected()), this, SLOT(connected()));
	connect(m_pSocket, SIGNAL(connectionClosed()), this, SLOT(connectionClosed()));
	connect(m_pSocket, SIGNAL(readyRead()), this, SLOT(readyRead()));
}


/*!

*/

QmHttpStream::~QmHttpStream()
{
	delete m_pSocket;
}


/*!
  Opens the URL given.

  \return True if successful, false otherwise.
  \sa setUrl(const QString&)
 */

bool
QmHttpStream::open()
{
	if( ! m_Url.isValid())
		return false;

	m_pSocket->connectToHost(m_Url.host(), m_Url.port());
	
	return true;
}


/*!
  Sets the URL to \a url.  If the URL is invalid, open() will fail.

  \sa open()
 */

void
QmHttpStream::setUrl(
	const QString &url)
{
	m_Url = url;
}


/*!

 */

void
QmHttpStream::hostFound()
{
	std::cout << "Host " << m_Url.toString() << " found. Connecting..." << std::endl;
}


/*!

 */

void
QmHttpStream::connected()
{
	std::cout << "Connected to " << m_Url.toString() << std::endl;

	// The code below is based on network.c in mpg321 by Joe Drew.

	char http_request[1024];
	sprintf(http_request,
			"GET /%s HTTP/1.0\r\n"
			"User-Agent: Mozilla/2.0 (Win95; I)\r\n"
			"Pragma: no-cache\r\n"
			"Host: %s\r\n"
			"Accept: */*\r\n"
			"\r\n",
			m_Url.fileName().latin1(), m_Url.host().latin1());

//	m_pSocket->writeBlock(http_request, strlen(http_request));

//	m_HttpRequest.fill('\0', m_HttpRequest.size());
//	QTextStream str(m_HttpRequest);
//	str << "GET /" << m_Url.fileName() << " HTTP/1.0\r\n"
//		<< "User-Agent: Mozilla/2.0 (Win95; I)\r\n"
//		<< "Pragma: no-cache\r\n"
//		<< "Host: " << m_Url.host() << "\r\n"
//		<< "Accept: */*\r\n"
//		<< "\r\n";

//	std::cout << m_HttpRequest.data();
	
	/* Parse server reply */
	/*
	do read(tcp_sock, &c, sizeof(char)); while(c != ' ');
	read(tcp_sock, http_request, 4*sizeof(char));
	http_request[4] = 0;
	if(strcmp(http_request, "200 "))
	{
		fprintf(stderr, "http_open: ");
		do {
			read(tcp_sock, &c, sizeof(char));
			fprintf(stderr, "%c", c);
		}
		while(c != '\r');
		fprintf(stderr, "\n");
		return(0);
	}
	*/
}


/*!

 */

void
QmHttpStream::connectionClosed()
{
	std::cout << "Connection to " << m_Url.toString() << " closed." << std::endl;
}


/*!

 */

void
QmHttpStream::readyRead()
{
	std::cout << "Ready to read from " << m_Url.toString() << std::endl;
}