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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TALK_BASE_AUTODETECTPROXY_H_
#define TALK_BASE_AUTODETECTPROXY_H_
#include <string>
#include "talk/base/constructormagic.h"
#include "talk/base/cryptstring.h"
#include "talk/base/proxydetect.h"
#include "talk/base/proxyinfo.h"
#include "talk/base/signalthread.h"
namespace talk_base {
///////////////////////////////////////////////////////////////////////////////
// AutoDetectProxy
///////////////////////////////////////////////////////////////////////////////
class AsyncResolverInterface;
class AsyncSocket;
class AutoDetectProxy : public SignalThread {
public:
explicit AutoDetectProxy(const std::string& user_agent);
const ProxyInfo& proxy() const { return proxy_; }
void set_server_url(const std::string& url) {
server_url_ = url;
}
void set_proxy(const SocketAddress& proxy) {
proxy_.type = PROXY_UNKNOWN;
proxy_.address = proxy;
}
void set_auth_info(bool use_auth, const std::string& username,
const CryptString& password) {
if (use_auth) {
proxy_.username = username;
proxy_.password = password;
}
}
// Default implementation of GetProxySettingsForUrl. Override for special
// implementation.
virtual bool GetProxyForUrl(const char* agent, const char* url,
talk_base::ProxyInfo* proxy) {
return GetProxySettingsForUrl(agent, url, proxy, true);
}
enum { MSG_TIMEOUT = SignalThread::ST_MSG_FIRST_AVAILABLE,
MSG_UNRESOLVABLE,
ADP_MSG_FIRST_AVAILABLE};
protected:
virtual ~AutoDetectProxy();
// SignalThread Interface
virtual void DoWork();
virtual void OnMessage(Message *msg);
void Next();
void Complete(ProxyType type);
void OnConnectEvent(AsyncSocket * socket);
void OnReadEvent(AsyncSocket * socket);
void OnCloseEvent(AsyncSocket * socket, int error);
void OnResolveResult(AsyncResolverInterface* resolver);
bool DoConnect();
private:
std::string agent_;
std::string server_url_;
ProxyInfo proxy_;
AsyncResolverInterface* resolver_;
AsyncSocket* socket_;
int next_;
DISALLOW_IMPLICIT_CONSTRUCTORS(AutoDetectProxy);
};
} // namespace talk_base
#endif // TALK_BASE_AUTODETECTPROXY_H_
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