gecko/netwerk/base/public/nsASocketHandler.h
2012-05-21 12:12:37 +01:00

66 lines
2.1 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsASocketHandler_h__
#define nsASocketHandler_h__
// socket handler used by nsISocketTransportService.
// methods are only called on the socket thread.
class nsASocketHandler : public nsISupports
{
public:
nsASocketHandler()
: mCondition(NS_OK)
, mPollFlags(0)
, mPollTimeout(PR_UINT16_MAX)
{}
//
// this condition variable will be checked to determine if the socket
// handler should be detached. it must only be accessed on the socket
// thread.
//
nsresult mCondition;
//
// these flags can only be modified on the socket transport thread.
// the socket transport service will check these flags before calling
// PR_Poll.
//
PRUint16 mPollFlags;
//
// this value specifies the maximum amount of time in seconds that may be
// spent waiting for activity on this socket. if this timeout is reached,
// then OnSocketReady will be called with outFlags = -1.
//
// the default value for this member is PR_UINT16_MAX, which disables the
// timeout error checking. (i.e., a timeout value of PR_UINT16_MAX is
// never reached.)
//
PRUint16 mPollTimeout;
//
// called to service a socket
//
// params:
// socketRef - socket identifier
// fd - socket file descriptor
// outFlags - value of PR_PollDesc::out_flags after PR_Poll returns
// or -1 if a timeout occurred
//
virtual void OnSocketReady(PRFileDesc *fd, PRInt16 outFlags) = 0;
//
// called when a socket is no longer under the control of the socket
// transport service. the socket handler may close the socket at this
// point. after this call returns, the handler will no longer be owned
// by the socket transport service.
//
virtual void OnSocketDetached(PRFileDesc *fd) = 0;
};
#endif // !nsASocketHandler_h__