mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 13:21:05 +00:00
5689bc8e15
The new method |UnixSocketConnector::Duplicate| allows a socket connector to duplicate itself. Listening sockets will used this feature to create socket connectors for accepted connections.
95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
|
|
/* vim: set ts=2 et sw=2 tw=80: */
|
|
/* 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 mozilla_ipc_unixsocketconnector_h
|
|
#define mozilla_ipc_unixsocketconnector_h
|
|
|
|
#include <sys/socket.h>
|
|
#include "mozilla/ipc/UnixSocketWatcher.h"
|
|
#include "nsString.h"
|
|
|
|
namespace mozilla {
|
|
namespace ipc {
|
|
|
|
/**
|
|
* |UnixSocketConnector| defines the socket creation and connection/listening
|
|
* functions for |UnixSocketConsumer|, et al. Due to the fact that socket setup
|
|
* can vary between protocols (Unix sockets, TCP sockets, Bluetooth sockets, etc),
|
|
* this allows the user to create whatever connection mechanism they need while
|
|
* still depending on libevent for non-blocking communication handling.
|
|
*/
|
|
class UnixSocketConnector
|
|
{
|
|
public:
|
|
virtual ~UnixSocketConnector();
|
|
|
|
/**
|
|
* Converts an address to a human-readable string.
|
|
*
|
|
* @param aAddress A socket address
|
|
* @param aAddressLength The number of valid bytes in |aAddress|
|
|
* @param[out] aAddressString The resulting string
|
|
* @return NS_OK on success, or an XPCOM error code otherwise.
|
|
*/
|
|
virtual nsresult ConvertAddressToString(const struct sockaddr& aAddress,
|
|
socklen_t aAddressLength,
|
|
nsACString& aAddressString) = 0;
|
|
|
|
/**
|
|
* Creates a listening socket. I/O thread only.
|
|
*
|
|
* @param[out] aAddress The listening socket's address
|
|
* @param[out] aAddressLength The number of valid bytes in |aAddress|
|
|
* @param[out] aListenFd The socket's file descriptor
|
|
* @return NS_OK on success, or an XPCOM error code otherwise.
|
|
*/
|
|
virtual nsresult CreateListenSocket(struct sockaddr* aAddress,
|
|
socklen_t* aAddressLength,
|
|
int& aListenFd) = 0;
|
|
|
|
/**
|
|
* Accepts a stream socket from a listening socket. I/O thread only.
|
|
*
|
|
* @param aListenFd The listening socket
|
|
* @param[out] aAddress Returns the stream socket's address
|
|
* @param[out] aAddressLength Returns the number of valid bytes in |aAddress|
|
|
* @param[out] aStreamFd The stream socket's file descriptor
|
|
* @return NS_OK on success, or an XPCOM error code otherwise.
|
|
*/
|
|
virtual nsresult AcceptStreamSocket(int aListenFd,
|
|
struct sockaddr* aAddress,
|
|
socklen_t* aAddressLen,
|
|
int& aStreamFd) = 0;
|
|
|
|
/**
|
|
* Creates a stream socket. I/O thread only.
|
|
*
|
|
* @param[in|out] aAddress The stream socket's address
|
|
* @param[in|out] aAddressLength The number of valid bytes in |aAddress|
|
|
* @param[out] aStreamFd The socket's file descriptor
|
|
* @return NS_OK on success, or an XPCOM error code otherwise.
|
|
*/
|
|
virtual nsresult CreateStreamSocket(struct sockaddr* aAddress,
|
|
socklen_t* aAddressLength,
|
|
int& aStreamFd) = 0;
|
|
|
|
/**
|
|
* Copies the instance of |UnixSocketConnector|. I/O thread only.
|
|
*
|
|
* @param[in] aConnector Returns a new instance of the connector class
|
|
* @return NS_OK on success, or an XPCOM error code otherwise
|
|
*/
|
|
virtual nsresult Duplicate(UnixSocketConnector*& aConnector) = 0;
|
|
|
|
protected:
|
|
UnixSocketConnector();
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|