socket.h File Reference

Cross-platform socket interface for ascii-chat. More...

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Macros
#define	INVALID_SOCKET_VALUE   (-1)
	Invalid socket value (POSIX: -1)
#define	SOCKET_ERROR_WOULDBLOCK   EWOULDBLOCK
#define	SOCKET_ERROR_INPROGRESS   EINPROGRESS
#define	SOCKET_ERROR_AGAIN   EAGAIN

Typedefs
typedef int	socket_t
	Socket handle type (POSIX: int)

Functions
asciichat_error_t	socket_init (void)
	Initialize socket subsystem (required on Windows)
void	socket_cleanup (void)
	Cleanup socket subsystem.
socket_t	socket_create (int domain, int type, int protocol)
	Create a new socket.
int	socket_close (socket_t sock)
	Close a socket.
int	socket_bind (socket_t sock, const struct sockaddr *addr, socklen_t addrlen)
	Bind a socket to an address.
int	socket_listen (socket_t sock, int backlog)
	Listen for incoming connections.
socket_t	socket_accept (socket_t sock, struct sockaddr *addr, socklen_t *addrlen)
	Accept an incoming connection.
int	socket_connect (socket_t sock, const struct sockaddr *addr, socklen_t addrlen)
	Connect to a remote address.
ssize_t	socket_send (socket_t sock, const void *buf, size_t len, int flags)
	Send data on a socket.
ssize_t	socket_recv (socket_t sock, void *buf, size_t len, int flags)
	Receive data from a socket.
ssize_t	socket_sendto (socket_t sock, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen)
	Send data to a specific address (UDP)
ssize_t	socket_recvfrom (socket_t sock, void *buf, size_t len, int flags, struct sockaddr *src_addr, socklen_t *addrlen)
	Receive data from a specific address (UDP)
int	socket_setsockopt (socket_t sock, int level, int optname, const void *optval, socklen_t optlen)
	Set socket option.
int	socket_getsockopt (socket_t sock, int level, int optname, void *optval, socklen_t *optlen)
	Get socket option.
int	socket_shutdown (socket_t sock, int how)
	Shutdown socket I/O.
int	socket_getpeername (socket_t sock, struct sockaddr *addr, socklen_t *addrlen)
	Get peer address.
int	socket_getsockname (socket_t sock, struct sockaddr *addr, socklen_t *addrlen)
	Get socket local address.
int	socket_set_blocking (socket_t sock)
	Set socket to blocking mode.
int	socket_set_nonblocking (socket_t sock, bool nonblocking)
	Set socket to non-blocking mode.
int	socket_set_reuseaddr (socket_t sock, bool reuse)
	Set SO_REUSEADDR socket option.
int	socket_set_nodelay (socket_t sock, bool nodelay)
	Set TCP_NODELAY socket option (disable Nagle's algorithm)
int	socket_set_keepalive (socket_t sock, bool keepalive)
	Set SO_KEEPALIVE socket option.
int	socket_set_keepalive_params (socket_t sock, bool enable, int idle, int interval, int count)
	Set TCP keepalive parameters.
int	socket_set_linger (socket_t sock, bool enable, int timeout)
	Set SO_LINGER socket option.
int	socket_set_timeout (socket_t sock, uint32_t timeout_ms)
	Set socket receive and send timeouts.
int	socket_set_buffer_sizes (socket_t sock, int recv_size, int send_size)
	Set socket buffer sizes.
int	socket_get_peer_address (socket_t sock, struct sockaddr *addr, socklen_t *addrlen)
	Get peer address (convenience function)
int	socket_get_error (socket_t sock)
	Get socket-specific error code.
void	socket_optimize_for_streaming (socket_t sock)
	Optimize socket for high-throughput video streaming.
int	socket_get_last_error (void)
	Get last socket error code.
const char *	socket_get_error_string (void)
	Get last socket error as string.
int	socket_poll (struct pollfd *fds, nfds_t nfds, int timeout)
	Poll sockets for events.
int	socket_select (socket_t max_fd, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
	Select sockets for I/O readiness.
void	socket_fd_zero (fd_set *set)
	Clear an fd_set.
void	socket_fd_set (socket_t sock, fd_set *set)
	Add a socket to an fd_set.
int	socket_fd_isset (socket_t sock, fd_set *set)
	Check if a socket is in an fd_set.
int	socket_get_fd (socket_t sock)
	Get the underlying file descriptor (POSIX compatibility)
bool	socket_is_valid (socket_t sock)
	Check if a socket handle is valid.

Detailed Description

Cross-platform socket interface for ascii-chat.

Definition in file socket.h.