* vlc_network.h: interface to communicate with network plug-ins
*****************************************************************************
* Copyright (C) 2002-2005 the VideoLAN team
+ * Copyright © 2006-2007 Rémi Denis-Courmont
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
# define ENETUNREACH WSAENETUNREACH
# define net_errno (WSAGetLastError())
extern const char *net_strerror( int val );
+# ifndef IPV6_V6ONLY
+# define IPV6_V6ONLY 27
+# endif
#else
# if HAVE_SYS_SOCKET_H
# include <sys/socket.h>
# endif
# include <netdb.h>
# define net_errno errno
-# define net_strerror strerror
#endif
# ifdef __cplusplus
/* Portable networking layer communication */
int net_Socket (vlc_object_t *obj, int family, int socktype, int proto);
+int net_SetupSocket (int fd);
-#define net_ConnectTCP(a, b, c) __net_ConnectTCP(VLC_OBJECT(a), b, c)
-#define net_OpenTCP(a, b, c) __net_ConnectTCP(VLC_OBJECT(a), b, c)
-VLC_EXPORT( int, __net_ConnectTCP, ( vlc_object_t *p_this, const char *psz_host, int i_port ) );
+#define net_Connect(a, b, c, d, e) __net_Connect(VLC_OBJECT(a), b, c, d, e)
+VLC_EXPORT( int, __net_Connect, (vlc_object_t *p_this, const char *psz_host, int i_port, int socktype, int protocol) );
-int *net_Listen (vlc_object_t *p_this, const char *psz_host, int i_port,
- int family, int socktype, int protocol);
-VLC_EXPORT( int, net_ListenSingle, (vlc_object_t *p_this, const char *psz_host, int i_port, int family, int socktype, int protocol) );
+VLC_EXPORT( int *, net_Listen, (vlc_object_t *p_this, const char *psz_host, int i_port, int protocol) );
-#define net_ListenTCP(a, b, c) __net_ListenTCP(VLC_OBJECT(a), b, c)
-VLC_EXPORT( int *, __net_ListenTCP, ( vlc_object_t *, const char *, int ) );
+#define net_ListenTCP(a, b, c) net_Listen(VLC_OBJECT(a), b, c, IPPROTO_TCP)
+#define net_ConnectTCP(a, b, c) __net_ConnectTCP(VLC_OBJECT(a), b, c)
+
+static inline int __net_ConnectTCP (vlc_object_t *obj, const char *host, int port)
+{
+ return __net_Connect (obj, host, port, SOCK_STREAM, IPPROTO_TCP);
+}
#define net_Accept(a, b, c) __net_Accept(VLC_OBJECT(a), b, c)
VLC_EXPORT( int, __net_Accept, ( vlc_object_t *, int *, mtime_t ) );
static inline int net_ConnectUDP (vlc_object_t *obj, const char *host, int port, int hlim)
{
- return net_ConnectDgram (obj, host, port, hlim, 0);
+ return net_ConnectDgram (obj, host, port, hlim, IPPROTO_UDP);
}
+#define net_OpenDgram( a, b, c, d, e, g, h ) __net_OpenDgram(VLC_OBJECT(a), b, c, d, e, g, h)
+VLC_EXPORT( int, __net_OpenDgram, ( vlc_object_t *p_this, const char *psz_bind, int i_bind, const char *psz_server, int i_server, int family, int proto ) );
+
static inline int net_ListenUDP1 (vlc_object_t *obj, const char *host, int port)
{
- return net_ListenSingle (obj, host, port, AF_UNSPEC, SOCK_DGRAM, 0);
+ return net_OpenDgram (obj, host, port, NULL, 0, 0, IPPROTO_UDP);
}
-#define net_OpenDgram( a, b, c, d, e, g, h ) __net_OpenDgram(VLC_OBJECT(a), b, c, d, e, g, h)
-VLC_EXPORT( int, __net_OpenDgram, ( vlc_object_t *p_this, const char *psz_bind, int i_bind, const char *psz_server, int i_server, int family, int proto ) );
-
-VLC_EXPORT( void, net_Close, ( int fd ) );
VLC_EXPORT( void, net_ListenClose, ( int *fd ) );
-VLC_EXPORT( int, net_SetDSCP, ( int fd, uint8_t dscp ) );
int net_Subscribe (vlc_object_t *obj, int fd, const struct sockaddr *addr,
socklen_t addrlen);
+VLC_EXPORT( int, net_SetCSCov, ( int fd, int sendcov, int recvcov ) );
+
/* Functions to read from or write to the networking layer */
struct virtual_socket_t
{
};
#define net_Read(a,b,c,d,e,f) __net_Read(VLC_OBJECT(a),b,c,d,e,f)
-VLC_EXPORT( int, __net_Read, ( vlc_object_t *p_this, int fd, const v_socket_t *, uint8_t *p_data, int i_data, vlc_bool_t b_retry ) );
+VLC_EXPORT( ssize_t, __net_Read, ( vlc_object_t *p_this, int fd, const v_socket_t *, uint8_t *p_data, size_t i_data, vlc_bool_t b_retry ) );
-#define net_ReadNonBlock(a,b,c,d,e,f) __net_ReadNonBlock(VLC_OBJECT(a),b,c,d,e,f)
-VLC_EXPORT( int, __net_ReadNonBlock, ( vlc_object_t *p_this, int fd, const v_socket_t *, uint8_t *p_data, int i_data, mtime_t i_wait ) );
-
-#define net_Select(a,b,c,d,e,f,g) __net_Select(VLC_OBJECT(a),b,c,d,e,f,g)
-VLC_EXPORT( int, __net_Select, ( vlc_object_t *p_this, const int *pi_fd, const v_socket_t *const *, int i_fd, uint8_t *p_data, int i_data, mtime_t i_wait ) );
+#define net_Select(a,b,c,d,e) __net_Select(VLC_OBJECT(a),b,c,d,e)
+VLC_EXPORT( ssize_t, __net_Select, ( vlc_object_t *p_this, const int *pi_fd, int i_fd, uint8_t *p_data, size_t i_data ) );
#define net_Write(a,b,c,d,e) __net_Write(VLC_OBJECT(a),b,c,d,e)
-VLC_EXPORT( int, __net_Write, ( vlc_object_t *p_this, int fd, const v_socket_t *, const uint8_t *p_data, int i_data ) );
+VLC_EXPORT( ssize_t, __net_Write, ( vlc_object_t *p_this, int fd, const v_socket_t *, const uint8_t *p_data, size_t i_data ) );
#define net_Gets(a,b,c) __net_Gets(VLC_OBJECT(a),b,c)
VLC_EXPORT( char *, __net_Gets, ( vlc_object_t *p_this, int fd, const v_socket_t * ) );
-VLC_EXPORT( int, net_Printf, ( vlc_object_t *p_this, int fd, const v_socket_t *, const char *psz_fmt, ... ) );
+VLC_EXPORT( ssize_t, net_Printf, ( vlc_object_t *p_this, int fd, const v_socket_t *, const char *psz_fmt, ... ) ATTRIBUTE_FORMAT( 4, 5 ) );
#define net_vaPrintf(a,b,c,d,e) __net_vaPrintf(VLC_OBJECT(a),b,c,d,e)
-VLC_EXPORT( int, __net_vaPrintf, ( vlc_object_t *p_this, int fd, const v_socket_t *, const char *psz_fmt, va_list args ) );
+VLC_EXPORT( ssize_t, __net_vaPrintf, ( vlc_object_t *p_this, int fd, const v_socket_t *, const char *psz_fmt, va_list args ) );
#ifndef HAVE_INET_PTON
/* only in core, so no need for C++ extern "C" */
-int inet_pton(int af, const char *src, void *dst);
+VLC_EXPORT (int, inet_pton, (int af, const char *src, void *dst) );
#endif
+#ifndef HAVE_INET_NTOP
+#ifdef WIN32
+/* only in core, so no need for C++ extern "C" */
+VLC_EXPORT (const char *, inet_ntop, (int af, const void *src,
+ char *dst, socklen_t cnt) );
+#endif
+#endif
-/*****************************************************************************
- * net_StopRecv/Send
- *****************************************************************************
- * Wrappers for shutdown()
- *****************************************************************************/
-#if defined (SHUT_WR)
-/* the standard way */
-# define net_StopSend( fd ) (void)shutdown( fd, SHUT_WR )
-# define net_StopRecv( fd ) (void)shutdown( fd, SHUT_RD )
-#elif defined (SD_SEND)
-/* the Microsoft seemingly-purposedly-different-for-the-sake-of-it way */
-# define net_StopSend( fd ) (void)shutdown( fd, SD_SEND )
-# define net_StopRecv( fd ) (void)shutdown( fd, SD_RECEIVE )
+#ifndef HAVE_POLL
+enum
+{
+ POLLIN=1,
+ POLLOUT=2,
+ POLLPRI=4,
+ POLLERR=8, // unsupported stub
+ POLLHUP=16, // unsupported stub
+ POLLNVAL=32 // unsupported stub
+};
+
+struct pollfd
+{
+ int fd;
+ int events;
+ int revents;
+};
+
+int poll (struct pollfd *fds, unsigned nfds, int timeout);
+#endif
+
+#ifdef WIN32
+/* Microsoft: same semantic, same value, different name... go figure */
+# define SHUT_RD SD_RECEIVE
+# define SHUT_WR SD_SEND
+# define SHUT_RDWR SD_BOTH
+# define net_Close( fd ) closesocket ((SOCKET)fd)
#else
-# ifndef SYS_BEOS /* R5 just doesn't have a working shutdown() */
-# warning FIXME: implement shutdown on your platform!
-# endif
-# define net_StopSend( fd ) (void)0
-# define net_StopRecv( fd ) (void)0
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+# define net_Close( fd ) (void)close (fd)
#endif
/* Portable network names/addresses resolution layer */
# ifndef EAI_MEMORY
# define EAI_MEMORY -10
# endif
+#ifndef EAI_OVERFLOW
+# define EAI_OVERFLOW -11
+#endif
# ifndef EAI_SYSTEM
-# define EAI_SYSTEM -11
+# define EAI_SYSTEM -12
# endif
#ifdef IN_MULTICAST
case AF_INET:
{
- struct sockaddr_in *v4 = (struct sockaddr_in *)addr;
+ const struct sockaddr_in *v4 = (const struct sockaddr_in *)addr;
if ((size_t)len < sizeof (*v4))
return VLC_FALSE;
return IN_MULTICAST (ntohl (v4->sin_addr.s_addr)) != 0;
#ifdef IN6_IS_ADDR_MULTICAST
case AF_INET6:
{
- struct sockaddr_in6 *v6 = (struct sockaddr_in6 *)addr;
+ const struct sockaddr_in6 *v6 = (const struct sockaddr_in6 *)addr;
if ((size_t)len < sizeof (*v6))
return VLC_FALSE;
return IN6_IS_ADDR_MULTICAST (&v6->sin6_addr) != 0;
return 0;
}
+static inline void net_SetPort (struct sockaddr *addr, uint16_t port)
+{
+ switch (addr->sa_family)
+ {
+#ifdef AF_INET6
+ case AF_INET6:
+ ((struct sockaddr_in6 *)addr)->sin6_port = port;
+ break;
+#endif
+ case AF_INET:
+ ((struct sockaddr_in *)addr)->sin_port = port;
+ break;
+ }
+}
# ifdef __cplusplus
}
# endif