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6d07312483
|UnixSocketConnector| will be shared by |UnixSocketConsumer| and the upcoming listen and stream sockets.
86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_ipc_unixsocketconnector_h
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#define mozilla_ipc_unixsocketconnector_h
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#include "mozilla/ipc/UnixSocketWatcher.h"
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#include "nsString.h"
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namespace mozilla {
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namespace ipc {
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/**
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* |UnixSocketConnector| defines the socket creation and connection/listening
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* functions for |UnixSocketConsumer|, et al. Due to the fact that socket setup
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* can vary between protocols (unix sockets, tcp sockets, bluetooth sockets, etc),
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* this allows the user to create whatever connection mechanism they need while
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* still depending on libevent for non-blocking communication handling.
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*/
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class UnixSocketConnector
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{
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public:
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virtual ~UnixSocketConnector();
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/**
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* Establishs a file descriptor for a socket.
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*
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* @return File descriptor for socket
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*/
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virtual int Create() = 0;
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/**
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* Since most socket specifics are related to address formation into a
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* sockaddr struct, this function is defined by subclasses and fills in the
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* structure as needed for whatever connection it is trying to build
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*
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* @param aIsServer True is we are acting as a server socket
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* @param aAddrSize Size of the struct
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* @param aAddr Struct to fill
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* @param aAddress If aIsServer is false, Address to connect to. nullptr otherwise.
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*
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* @return True if address is filled correctly, false otherwise
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*/
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virtual bool CreateAddr(bool aIsServer,
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socklen_t& aAddrSize,
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sockaddr_any& aAddr,
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const char* aAddress) = 0;
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/**
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* Does any socket type specific setup that may be needed, only for socket
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* created by ConnectSocket()
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*
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* @param aFd File descriptor for opened socket
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*
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* @return true is successful, false otherwise
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*/
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virtual bool SetUp(int aFd) = 0;
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/**
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* Perform socket setup for socket created by ListenSocket(), after listen().
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*
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* @param aFd File descriptor for opened socket
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*
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* @return true is successful, false otherwise
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*/
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virtual bool SetUpListenSocket(int aFd) = 0;
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/**
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* Get address of socket we're currently connected to. Return null string if
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* not connected.
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*
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* @param aAddr Address struct
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* @param aAddrStr String to store address to
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*/
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virtual void GetSocketAddr(const sockaddr_any& aAddr,
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nsAString& aAddrStr) = 0;
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};
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}
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}
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#endif
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