Artifact 0d7cd9ede1fa18b2e68528ec1659302348d4a695277dc6db07125c7f6679a4e7:
- File
src/socket.h
— part of check-in
[0f3ae90eef]
at
2018-12-18 21:17:28
on branch trunk
— Use OFData instead of a buffer for async UDP sends
This avoids the entire problem of keeping the buffer alive until the
send finished. (user: js, size: 5610) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, * 2018 * Jonathan Schleifer <js@heap.zone> * * 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. */ #include "objfw-defs.h" #ifndef OF_HAVE_SOCKETS # error No sockets available! #endif #include <stdbool.h> #import "OFString.h" #ifdef OF_HAVE_SYS_SOCKET_H # include <sys/socket.h> #endif #ifdef OF_HAVE_NETINET_IN_H # include <netinet/in.h> #endif #ifdef OF_HAVE_NETINET_TCP_H # include <netinet/tcp.h> #endif #include "platform.h" #ifdef OF_WINDOWS # ifdef __MINGW32__ # include <_mingw.h> # ifdef __MINGW64_VERSION_MAJOR # include <winsock2.h> # endif # endif # include <windows.h> # include <ws2tcpip.h> #endif /*! @file */ #ifdef OF_MORPHOS typedef long socklen_t; #endif #ifdef OF_MORPHOS_IXEMUL typedef int socklen_t; #endif #ifdef OF_WII # include <network.h> #endif #ifdef OF_PSP # include <stdint.h> #endif #import "macros.h" OF_ASSUME_NONNULL_BEGIN #ifndef OF_WINDOWS typedef int of_socket_t; #else typedef SOCKET of_socket_t; #endif #ifdef OF_WII typedef u8 sa_family_t; #endif /*! * @brief A socket address family. */ typedef enum { /** An unknown address family. */ OF_SOCKET_ADDRESS_FAMILY_UNKNOWN, /** IPv4 */ OF_SOCKET_ADDRESS_FAMILY_IPV4, /** IPv6 */ OF_SOCKET_ADDRESS_FAMILY_IPV6, /** Any address family */ OF_SOCKET_ADDRESS_FAMILY_ANY = 255 } of_socket_address_family_t; #ifndef OF_HAVE_IPV6 struct sockaddr_in6 { sa_family_t sin6_family; in_port_t sin6_port; uint32_t sin6_flowinfo; struct in6_addr { uint8_t s6_addr[16]; } sin6_addr; uint32_t sin6_scope_id; }; #endif /*! * @struct of_socket_address_t socket.h ObjFW/socket.h * * @brief A struct which represents a host / port pair for a socket. */ typedef struct OF_BOXABLE { /* * Even though struct sockaddr contains the family, we need to use our * own family, as we need to support storing an IPv6 address on systems * that don't support IPv6. These may not have AF_INET6 defined and we * can't just define it, as the value is system-dependent and might * clash with an existing value. */ of_socket_address_family_t family; union { struct sockaddr sockaddr; struct sockaddr_in in; struct sockaddr_in6 in6; } sockaddr; socklen_t length; } of_socket_address_t; #ifdef __cplusplus extern "C" { #endif extern bool of_socket_init(void); extern int of_socket_errno(void); # ifndef OF_WII extern int of_getsockname(of_socket_t sock, struct sockaddr *restrict addr, socklen_t *restrict addrLen); # endif /*! * @brief Parses the specified IP and port into an of_socket_address_t. * * @param IP The IP to parse * @param port The port to use * @return The parsed IP and port as an of_socket_address_t */ extern of_socket_address_t of_socket_address_parse_ip( OFString *IP, uint16_t port); /*! * @brief Parses the specified IPv4 and port into an of_socket_address_t. * * @param IP The IPv4 to parse * @param port The port to use * @return The parsed IPv4 and port as an of_socket_address_t */ extern of_socket_address_t of_socket_address_parse_ipv4( OFString *IP, uint16_t port); #ifdef OF_HAVE_IPV6 /*! * @brief Parses the specified IPv6 and port into an of_socket_address_t. * * @param IP The IPv6 to parse * @param port The port to use * @return The parsed IPv6 and port as an of_socket_address_t */ extern of_socket_address_t of_socket_address_parse_ipv6( OFString *IP, uint16_t port); #endif /*! * @brief Compares two of_socket_address_t for equality. * * @param address1 The address to compare with the second address * @param address2 The second address * @return Whether the two addresses are equal */ extern bool of_socket_address_equal( const of_socket_address_t *_Nonnull address1, const of_socket_address_t *_Nonnull address2); /*! * @brief Returns the hash for the specified of_socket_address_t. * * @param address The address to hash * @return The hash for the specified of_socket_address_t */ extern uint32_t of_socket_address_hash( const of_socket_address_t *_Nonnull address); /*! * @brief Converts the specified of_socket_address_t to an IP string and port. * * @param address The address to convert to a string * @param port A pointer to an uint16_t which should be set to the port of the * address or NULL if the port is not needed * @return The address as an IP string */ extern OFString *_Nonnull of_socket_address_ip_string( const of_socket_address_t *_Nonnull address, uint16_t *_Nullable port); /*! * @brief Sets the port of the specified of_socket_address_t, independent of * the address family used. * * @param address The address on which to set the port * @param port The port to set on the address */ extern void of_socket_address_set_port(of_socket_address_t *_Nonnull address, uint16_t port); /*! * @brief Returns the port of the specified of_socket_address_t, independent of * the address family used. * * @param address The address on which to get the port * @return The port of the address */ extern uint16_t of_socket_address_get_port( const of_socket_address_t *_Nonnull address); #ifdef __cplusplus } #endif OF_ASSUME_NONNULL_END