/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#ifndef __STDC_LIMIT_MACROS
# define __STDC_LIMIT_MACROS
#endif
#ifndef __STDC_CONSTANT_MACROS
# define __STDC_CONSTANT_MACROS
#endif
#ifndef _WIN32
# include <sys/types.h>
# include <sys/socket.h>
# include <netdb.h>
#endif
#import "OFStreamSocket.h"
#ifdef _WIN32
# include <ws2tcpip.h>
#endif
@class OFTCPSocket;
@class OFString;
#ifdef OF_HAVE_BLOCKS
typedef void (^of_tcpsocket_async_connect_block_t)(OFTCPSocket*);
typedef BOOL (^of_tcpsocket_async_accept_block_t)(OFTCPSocket*, OFTCPSocket*);
#endif
/**
* \brief A class which provides functions to create and use TCP sockets.
*
* To connect to a server, create a socket and connect it.
* To create a server, create a socket, bind it and listen on it.
*/
@interface OFTCPSocket: OFStreamSocket
{
BOOL listening;
struct sockaddr_storage *sockAddr;
socklen_t sockAddrLen;
OFString *SOCKS5Host;
uint16_t SOCKS5Port;
}
#ifdef OF_HAVE_PROPERTIES
@property (readonly, getter=isListening) BOOL listening;
@property (copy) OFString *SOCKS5Host;
@property uint16_t SOCKS5Port;
#endif
/**
* \brief Sets the global SOCKS5 proxy host to use when creating a new socket
*
* \param host The host to use as a SOCKS5 proxy when creating a new socket
*/
+ (void)setSOCKS5Host: (OFString*)host;
/**
* \brief Returns the host to use as a SOCKS5 proxy when creating a new socket
*
* \return The host to use as a SOCKS5 proxy when creating a new socket
*/
+ (OFString*)SOCKS5Host;
/**
* \brief Sets the global SOCKS5 proxy port to use when creating a new socket
*
* \param port The port to use as a SOCKS5 proxy when creating a new socket
*/
+ (void)setSOCKS5Port: (uint16_t)port;
/**
* \brief Returns the port to use as a SOCKS5 proxy when creating a new socket
*
* \return The port to use as a SOCKS5 proxy when creating a new socket
*/
+ (uint16_t)SOCKS5Port;
/**
* \brief Sets the host to use as a SOCKS5 proxy.
*
* \param host The host to use as a SOCKS5 proxy
*/
- (void)setSOCKS5Host: (OFString*)host;
/**
* \brief Returns the host to use as a SOCKS5 proxy.
*
* \return The host to use as a SOCKS5 proxy
*/
- (OFString*)SOCKS5Host;
/**
* \brief Sets the port to use on the SOCKS5 proxy.
*
* The default port is 1080.
*
* \param port The port to use on the SOCKS5 proxy
*/
- (void)setSOCKS5Port: (uint16_t)port;
/**
* \brief Returns the port to use on the SOCKS5 proxy.
*
* \return The port to use on the SOCKS5 proxy
*/
- (uint16_t)SOCKS5Port;
/**
* \brief Connect the OFTCPSocket to the specified destination.
*
* \param host The host to connect to
* \param port The port on the host to connect to
*/
- (void)connectToHost: (OFString*)host
port: (uint16_t)port;
/**
* \brief Asyncronously connect the OFTCPSocket to the specified destination.
*
* \param host The host to connect to
* \param port The port on the host to connect to
* \param target The target on which to call the selector once the connection
* has been established
* \param selector The selector to call on the target. The signature must be
* void (OFTCPSocket *socket).
*/
- (void)asyncConnectToHost: (OFString*)host
port: (uint16_t)port
target: (id)target
selector: (SEL)selector;
#ifdef OF_HAVE_BLOCKS
/**
* \brief Asyncronously connect the OFTCPSocket to the specified destination.
*
* \param host The host to connect to
* \param port The port on the host to connect to
* \param block The block to execute once the connection has been established
*/
- (void)asyncConnectToHost: (OFString*)host
port: (uint16_t)port
block: (of_tcpsocket_async_connect_block_t)block;
#endif
/**
* \brief Bind the socket on the specified port and host.
*
* \param host The host to bind to. Use @"0.0.0.0" for IPv4 or @"::" for IPv6
* to bind to all.
* \param port The port to bind to. If the port is 0, an unused port will be
* chosen, which can be obtained using the return value.
* \return The port the socket was bound to
*/
- (uint16_t)bindToHost: (OFString*)host
port: (uint16_t)port;
/**
* \brief Listen on the socket.
*
* \param backlog Maximum length for the queue of pending connections.
*/
- (void)listenWithBackLog: (int)backLog;
/**
* \brief Listen on the socket.
*/
- (void)listen;
/**
* \brief Accept an incoming connection.
*
* \return An autoreleased OFTCPSocket for the accepted connection.
*/
- (OFTCPSocket*)accept;
/**
* \brief Asyncronously ccept an incoming connection.
*
* \param target The target on which to execute the selector when a new
* connection has been accepted. The method returns whether the
* next incoming connection should be accepted by the specified
* block as well.
* \param selector The selector to call on the target. The signature must be
* BOOL (OFTCPSocket *socket, OFTCPSocket *acceptedSocket).
*/
- (void)asyncAcceptWithTarget: (id)target
selector: (SEL)selector;
#ifdef OF_HAVE_BLOCKS
/**
* \brief Asyncronously ccept an incoming connection.
*
* \param block The block to execute when a new connection has been accepted.
* Returns whether the next incoming connection should be accepted
* by the specified block as well.
*/
- (void)asyncAcceptWithBlock: (of_tcpsocket_async_accept_block_t)block;
#endif
/**
* \brief Enable or disable keep alives for the connection.
*
* \param enable Whether to enable or disable keep alives for the connection
*/
- (void)setKeepAlivesEnabled: (BOOL)enable;
/**
* \brief Returns the remote address of the socket.
*
* Only works with accepted sockets!
*
* \return The remote address as a string
*/
- (OFString*)remoteAddress;
/**
* \brief Returns whether the socket is a listening socket.
*
* \return Whether the socket is a listening socket
*/
- (BOOL)isListening;
@end