[Orxonox-commit 2672] r7377 - in code/branches/ipv6/src/external/enet: . include/enet patches

adrfried at orxonox.net adrfried at orxonox.net
Wed Sep 8 04:08:09 CEST 2010


Author: adrfried
Date: 2010-09-08 04:08:09 +0200 (Wed, 08 Sep 2010)
New Revision: 7377

Added:
   code/branches/ipv6/src/external/enet/patches/patch
Removed:
   code/branches/ipv6/src/external/enet/patches/0001-use-getaddrinfo-for-lookup-in-unix.c.patch
   code/branches/ipv6/src/external/enet/patches/0002-basic-IPv6-support-on-Linux-systems.patch
Modified:
   code/branches/ipv6/src/external/enet/host.c
   code/branches/ipv6/src/external/enet/include/enet/enet.h
   code/branches/ipv6/src/external/enet/protocol.c
   code/branches/ipv6/src/external/enet/unix.c
Log:
using two separate sockets for ipv4 and ipv6

Modified: code/branches/ipv6/src/external/enet/host.c
===================================================================
--- code/branches/ipv6/src/external/enet/host.c	2010-09-08 01:52:20 UTC (rev 7376)
+++ code/branches/ipv6/src/external/enet/host.c	2010-09-08 02:08:09 UTC (rev 7377)
@@ -48,13 +48,15 @@
     }
     memset (host -> peers, 0, peerCount * sizeof (ENetPeer));
 
-    host -> socket = enet_socket_create (ENET_SOCKET_TYPE_DATAGRAM);
-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_V6ONLY, 0); // Needs to be set before bind.
 
-    if (host -> socket == ENET_SOCKET_NULL || (address != NULL && enet_socket_bind (host -> socket, address) < 0))
+    // FIXME: check address for ANY_ADRESS if not only bind to specific protocol
+    // FIXME: allow to fail one of the two protocols
+    /* IPv4 */
+    host -> socket4 = enet_socket_create (ENET_SOCKET_TYPE_DATAGRAM, ENET_IPV4);
+    if (host -> socket4 == ENET_SOCKET_NULL || (address != NULL && enet_socket_bind (host -> socket4, address, ENET_IPV4) < 0))
     {
-       if (host -> socket != ENET_SOCKET_NULL)
-         enet_socket_destroy (host -> socket);
+       if (host -> socket4 != ENET_SOCKET_NULL)
+         enet_socket_destroy (host -> socket4);
 
        enet_free (host -> peers);
        enet_free (host);
@@ -62,11 +64,33 @@
        return NULL;
     }
 
-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_NONBLOCK, 1);
-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_BROADCAST, 1);
-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_RCVBUF, ENET_HOST_RECEIVE_BUFFER_SIZE);
-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_SNDBUF, ENET_HOST_SEND_BUFFER_SIZE);
+    enet_socket_set_option (host -> socket4, ENET_SOCKOPT_NONBLOCK, 1);
+    enet_socket_set_option (host -> socket4, ENET_SOCKOPT_BROADCAST, 1);
+    enet_socket_set_option (host -> socket4, ENET_SOCKOPT_RCVBUF, ENET_HOST_RECEIVE_BUFFER_SIZE);
+    enet_socket_set_option (host -> socket4, ENET_SOCKOPT_SNDBUF, ENET_HOST_SEND_BUFFER_SIZE);
 
+    /* IPv6 */
+    host -> socket6 = enet_socket_create (ENET_SOCKET_TYPE_DATAGRAM, ENET_IPV6);
+    if (host -> socket6 == ENET_SOCKET_NULL || (address != NULL && enet_socket_bind (host -> socket6, address, ENET_IPV6) < 0))
+    {
+       if (host -> socket6 != ENET_SOCKET_NULL)
+       {
+           enet_socket_destroy (host -> socket4);
+           enet_socket_destroy (host -> socket6);
+       }
+
+       enet_free (host -> peers);
+       enet_free (host);
+
+       return NULL;
+    }
+
+    enet_socket_set_option (host -> socket6, ENET_SOCKOPT_NONBLOCK, 1);
+    enet_socket_set_option (host -> socket6, ENET_SOCKOPT_BROADCAST, 1);
+    enet_socket_set_option (host -> socket6, ENET_SOCKOPT_RCVBUF, ENET_HOST_RECEIVE_BUFFER_SIZE);
+    enet_socket_set_option (host -> socket6, ENET_SOCKOPT_SNDBUF, ENET_HOST_SEND_BUFFER_SIZE);
+
+
     if (address != NULL)
       host -> address = * address;
 
@@ -135,7 +159,8 @@
 {
     ENetPeer * currentPeer;
 
-    enet_socket_destroy (host -> socket);
+    enet_socket_destroy (host -> socket4);
+    enet_socket_destroy (host -> socket6);
 
     for (currentPeer = host -> peers;
          currentPeer < & host -> peers [host -> peerCount];

Modified: code/branches/ipv6/src/external/enet/include/enet/enet.h
===================================================================
--- code/branches/ipv6/src/external/enet/include/enet/enet.h	2010-09-08 01:52:20 UTC (rev 7376)
+++ code/branches/ipv6/src/external/enet/include/enet/enet.h	2010-09-08 02:08:09 UTC (rev 7377)
@@ -50,8 +50,7 @@
    ENET_SOCKOPT_BROADCAST = 2,
    ENET_SOCKOPT_RCVBUF    = 3,
    ENET_SOCKOPT_SNDBUF    = 4,
-   ENET_SOCKOPT_REUSEADDR = 5,
-   ENET_SOCKOPT_V6ONLY = 6
+   ENET_SOCKOPT_REUSEADDR = 5
 } ENetSocketOption;
 
 typedef struct _ENetHostAddress
@@ -59,9 +58,11 @@
    enet_uint8 addr[16];
 } ENetHostAddress;
 
-extern const ENetHostAddress ENET_HOST_ANY;       /**< specifies the default server host */
-extern const ENetHostAddress ENET_HOST_BROADCAST; /**< specifies a IPv4 subnet-wide broadcast */
-#define ENET_PORT_ANY 0                           /**< specifies that a port should be automatically chosen */
+extern const ENetHostAddress ENET_HOST_ANY;          /**< specifies the default server host */
+extern const ENetHostAddress ENET_IPV4MAPPED_PREFIX; /**< specifies the IPv4-mapped IPv6 prefix */
+extern const ENetHostAddress ENET_HOST_BROADCAST;    /**< specifies a IPv4 subnet-wide broadcast */
+#define ENET_IPV4MAPPED_PREFIX_LEN 12                /**< specifies the length of the IPv4-mapped IPv6 prefix */
+#define ENET_PORT_ANY 0                              /**< specifies that a port should be automatically chosen */
 
 /**
  * Portable internet address structure. 
@@ -81,6 +82,16 @@
 } ENetAddress;
 
 /**
+ * The address family type.
+ */
+typedef enum _ENetAddressFamily
+{
+    ENET_NO_ADDRESS_FAMILY = 0,
+    ENET_IPV4 = 1,
+    ENET_IPV6 = 2
+} ENetAddressFamily;
+
+/**
  * Packet flag bit constants.
  *
  * The host must be specified in network byte-order, and the port must be in
@@ -324,7 +335,8 @@
   */
 typedef struct _ENetHost
 {
-   ENetSocket           socket;
+   ENetSocket           socket4;
+   ENetSocket           socket6;
    ENetAddress          address;                     /**< Internet address of the host */
    enet_uint32          incomingBandwidth;           /**< downstream bandwidth of the host */
    enet_uint32          outgoingBandwidth;           /**< upstream bandwidth of the host */
@@ -444,14 +456,14 @@
 /** @defgroup socket ENet socket functions
     @{
 */
-ENET_API ENetSocket enet_socket_create (ENetSocketType);
-ENET_API int        enet_socket_bind (ENetSocket, const ENetAddress *);
+ENET_API ENetSocket enet_socket_create (ENetSocketType, ENetAddressFamily);
+ENET_API int        enet_socket_bind (ENetSocket, const ENetAddress *, ENetAddressFamily);
 ENET_API int        enet_socket_listen (ENetSocket, int);
-ENET_API ENetSocket enet_socket_accept (ENetSocket, ENetAddress *);
-ENET_API int        enet_socket_connect (ENetSocket, const ENetAddress *);
-ENET_API int        enet_socket_send (ENetSocket, const ENetAddress *, const ENetBuffer *, size_t);
-ENET_API int        enet_socket_receive (ENetSocket, ENetAddress *, ENetBuffer *, size_t);
-ENET_API int        enet_socket_wait (ENetSocket, enet_uint32 *, enet_uint32);
+ENET_API ENetSocket enet_socket_accept (ENetSocket, ENetAddress *, ENetAddressFamily);
+ENET_API int        enet_socket_connect (ENetSocket, const ENetAddress *, ENetAddressFamily);
+ENET_API int        enet_socket_send (ENetSocket, const ENetAddress *, const ENetBuffer *, size_t, ENetAddressFamily);
+ENET_API int        enet_socket_receive (ENetSocket, ENetAddress *, ENetBuffer *, size_t, ENetAddressFamily);
+ENET_API int        enet_socket_wait (ENetSocket, ENetSocket, enet_uint32 *, enet_uint32);
 ENET_API int        enet_socket_set_option (ENetSocket, ENetSocketOption, int);
 ENET_API void       enet_socket_destroy (ENetSocket);
 ENET_API int        enet_socketset_select (ENetSocket, ENetSocketSet *, ENetSocketSet *, enet_uint32);
@@ -495,14 +507,14 @@
     @param address IPv4 address in network byte order
     @returns the IPv4-mapped IPv6 address in network byte order
 */
-static inline ENetHostAddress enet_address_map4 (enet_uint32 address)
-{
-   ENetHostAddress addr = ENET_HOST_ANY;
-   ((enet_uint16 *)addr.addr)[5] = 0xffff;
-   ((enet_uint32 *)addr.addr)[3] = address;
-   return addr;
-}
+ENET_API ENetHostAddress enet_address_map4 (enet_uint32 address);
 
+/** Returns the Address family of an (IPv4-mapped) IPv6 address.
+    @param address IPv6 address
+    @returns address family
+*/
+ENET_API ENetAddressFamily enet_get_address_family (const ENetAddress * address);
+
 /** @} */
 
 ENET_API ENetPacket * enet_packet_create (const void *, size_t, enet_uint32);

Deleted: code/branches/ipv6/src/external/enet/patches/0001-use-getaddrinfo-for-lookup-in-unix.c.patch
===================================================================
--- code/branches/ipv6/src/external/enet/patches/0001-use-getaddrinfo-for-lookup-in-unix.c.patch	2010-09-08 01:52:20 UTC (rev 7376)
+++ code/branches/ipv6/src/external/enet/patches/0001-use-getaddrinfo-for-lookup-in-unix.c.patch	2010-09-08 02:08:09 UTC (rev 7377)
@@ -1,138 +0,0 @@
-From e4638515a1ade5a23f3b8eb9ca7dad249a3d6903 Mon Sep 17 00:00:00 2001
-From: Adrian Friedli <adi at koalatux.ch>
-Date: Thu, 2 Sep 2010 14:26:42 +0200
-Subject: [PATCH 1/2] use getaddrinfo for lookup in unix.c
-
----
- unix.c |   99 +++++++++++++++++++++++++--------------------------------------
- 1 files changed, 39 insertions(+), 60 deletions(-)
-
-diff --git a/unix.c b/unix.c
-index 6971541..7329e8d 100644
---- a/unix.c
-+++ b/unix.c
-@@ -74,82 +74,61 @@ enet_time_set (enet_uint32 newTimeBase)
- int
- enet_address_set_host (ENetAddress * address, const char * name)
- {
--    struct hostent * hostEntry = NULL;
--#ifdef HAS_GETHOSTBYNAME_R
--    struct hostent hostData;
--    char buffer [2048];
--    int errnum;
--
--#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
--    gethostbyname_r (name, & hostData, buffer, sizeof (buffer), & hostEntry, & errnum);
--#else
--    hostEntry = gethostbyname_r (name, & hostData, buffer, sizeof (buffer), & errnum);
--#endif
--#else
--    hostEntry = gethostbyname (name);
--#endif
-+    struct addrinfo hints;
-+    struct addrinfo * result;
-+    struct addrinfo * res;
-+
-+    memset(& hints, 0, sizeof (hints));
-+    hints.ai_flags = AI_NUMERICSERV;
-+    hints.ai_family = AF_INET;
- 
--    if (hostEntry == NULL ||
--        hostEntry -> h_addrtype != AF_INET)
-+    if ( getaddrinfo(name, NULL, &hints, &result) )
-     {
--#ifdef HAS_INET_PTON
--        if (! inet_pton (AF_INET, name, & address -> host))
--#else
--        if (! inet_aton (name, (struct in_addr *) & address -> host))
--#endif
--            return -1;
--        return 0;
-+        return -1;
-     }
- 
--    address -> host = * (enet_uint32 *) hostEntry -> h_addr_list [0];
-+    for (res = result; res != NULL; res = res -> ai_next)
-+    {
-+        if (res -> ai_family == AF_INET)
-+        {
-+            address -> host = ((struct sockaddr_in *) res -> ai_addr ) -> sin_addr.s_addr;
-+            break;
-+        }
-+    }
-+    freeaddrinfo(result);
-+    if (res == NULL) return -1;
- 
-     return 0;
- }
- 
--int
--enet_address_get_host_ip (const ENetAddress * address, char * name, size_t nameLength)
-+static int
-+enet_address_get_host_x (const ENetAddress * address, char * name, size_t nameLength, int flags)
- {
--#ifdef HAS_INET_NTOP
--    if (inet_ntop (AF_INET, & address -> host, name, nameLength) == NULL)
--#else
--    char * addr = inet_ntoa (* (struct in_addr *) & address -> host);
--    if (addr != NULL)
--        strncpy (name, addr, nameLength);
--    else
--#endif
-+    struct sockaddr_in sin;
-+
-+    memset (& sin, 0, sizeof (struct sockaddr_in));
-+
-+    sin.sin_family = AF_INET;
-+    sin.sin_addr = * (struct in_addr *) & address -> host;
-+
-+    if ( getnameinfo((struct sockaddr *) & sin, sizeof(sin), name, nameLength, NULL, 0, flags))
-+    {
-         return -1;
-+    }
-+
-     return 0;
- }
- 
- int
--enet_address_get_host (const ENetAddress * address, char * name, size_t nameLength)
-+enet_address_get_host_ip (const ENetAddress * address, char * name, size_t nameLength)
- {
--    struct in_addr in;
--    struct hostent * hostEntry = NULL;
--#ifdef HAS_GETHOSTBYADDR_R
--    struct hostent hostData;
--    char buffer [2048];
--    int errnum;
--
--    in.s_addr = address -> host;
--
--#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
--    gethostbyaddr_r ((char *) & in, sizeof (struct in_addr), AF_INET, & hostData, buffer, sizeof (buffer), & hostEntry, & errnum);
--#else
--    hostEntry = gethostbyaddr_r ((char *) & in, sizeof (struct in_addr), AF_INET, & hostData, buffer, sizeof (buffer), & errnum);
--#endif
--#else
--    in.s_addr = address -> host;
--
--    hostEntry = gethostbyaddr ((char *) & in, sizeof (struct in_addr), AF_INET);
--#endif
--
--    if (hostEntry == NULL)
--      return enet_address_get_host_ip (address, name, nameLength);
--
--    strncpy (name, hostEntry -> h_name, nameLength);
-+    return enet_address_get_host_x(address, name, nameLength, NI_NUMERICHOST);
-+}
- 
--    return 0;
-+int
-+enet_address_get_host (const ENetAddress * address, char * name, size_t nameLength)
-+{
-+    return enet_address_get_host_x(address, name, nameLength, 0);
- }
- 
- int
--- 
-1.7.1
-

Deleted: code/branches/ipv6/src/external/enet/patches/0002-basic-IPv6-support-on-Linux-systems.patch
===================================================================
--- code/branches/ipv6/src/external/enet/patches/0002-basic-IPv6-support-on-Linux-systems.patch	2010-09-08 01:52:20 UTC (rev 7376)
+++ code/branches/ipv6/src/external/enet/patches/0002-basic-IPv6-support-on-Linux-systems.patch	2010-09-08 02:08:09 UTC (rev 7377)
@@ -1,347 +0,0 @@
-From 85c3be6ab21fd875baa57ea119ed58d5c54f0115 Mon Sep 17 00:00:00 2001
-From: Adrian Friedli <adi at koalatux.ch>
-Date: Thu, 2 Sep 2010 14:27:07 +0200
-Subject: [PATCH 2/2] basic IPv6 support on Linux systems
-
----
- host.c              |    2 +
- include/enet/enet.h |   29 ++++++++++++----
- protocol.c          |   17 ++++++----
- unix.c              |   90 ++++++++++++++++++++++++++++++--------------------
- 4 files changed, 88 insertions(+), 50 deletions(-)
-
-diff --git a/host.c b/host.c
-index 8bb2433..5a18a59 100644
---- a/host.c
-+++ b/host.c
-@@ -49,6 +49,8 @@ enet_host_create (const ENetAddress * address, size_t peerCount, size_t channelL
-     memset (host -> peers, 0, peerCount * sizeof (ENetPeer));
- 
-     host -> socket = enet_socket_create (ENET_SOCKET_TYPE_DATAGRAM);
-+    enet_socket_set_option (host -> socket, ENET_SOCKOPT_V6ONLY, 0); // Needs to be set before bind.
-+
-     if (host -> socket == ENET_SOCKET_NULL || (address != NULL && enet_socket_bind (host -> socket, address) < 0))
-     {
-        if (host -> socket != ENET_SOCKET_NULL)
-diff --git a/include/enet/enet.h b/include/enet/enet.h
-index 2f656d6..a9f0759 100644
---- a/include/enet/enet.h
-+++ b/include/enet/enet.h
-@@ -50,16 +50,18 @@ typedef enum _ENetSocketOption
-    ENET_SOCKOPT_BROADCAST = 2,
-    ENET_SOCKOPT_RCVBUF    = 3,
-    ENET_SOCKOPT_SNDBUF    = 4,
--   ENET_SOCKOPT_REUSEADDR = 5
-+   ENET_SOCKOPT_REUSEADDR = 5,
-+   ENET_SOCKOPT_V6ONLY = 6
- } ENetSocketOption;
- 
--enum
-+typedef struct _ENetHostAddress
- {
--   ENET_HOST_ANY       = 0,            /**< specifies the default server host */
--   ENET_HOST_BROADCAST = 0xFFFFFFFF,   /**< specifies a subnet-wide broadcast */
-+   enet_uint8 addr[16];
-+} ENetHostAddress;
- 
--   ENET_PORT_ANY       = 0             /**< specifies that a port should be automatically chosen */
--};
-+extern const ENetHostAddress ENET_HOST_ANY;       /**< specifies the default server host */
-+extern const ENetHostAddress ENET_HOST_BROADCAST; /**< specifies a IPv4 subnet-wide broadcast */
-+#define ENET_PORT_ANY 0                           /**< specifies that a port should be automatically chosen */
- 
- /**
-  * Portable internet address structure. 
-@@ -73,7 +75,8 @@ enum
-  */
- typedef struct _ENetAddress
- {
--   enet_uint32 host;
-+   ENetHostAddress host;
-+   enet_uint32 scopeID; //FIXME: this is of different size on Windows
-    enet_uint16 port;
- } ENetAddress;
- 
-@@ -488,6 +491,18 @@ ENET_API int enet_address_get_host_ip (const ENetAddress * address, char * hostN
- */
- ENET_API int enet_address_get_host (const ENetAddress * address, char * hostName, size_t nameLength);
- 
-+/** Maps an IPv4 Address to an IPv6 address.
-+    @param address IPv4 address in network byte order
-+    @returns the IPv4-mapped IPv6 address in network byte order
-+*/
-+static inline ENetHostAddress enet_address_map4 (enet_uint32 address)
-+{
-+   ENetHostAddress addr = ENET_HOST_ANY;
-+   ((enet_uint16 *)addr.addr)[5] = 0xffff;
-+   ((enet_uint32 *)addr.addr)[3] = address;
-+   return addr;
-+}
-+
- /** @} */
- 
- ENET_API ENetPacket * enet_packet_create (const void *, size_t, enet_uint32);
-diff --git a/protocol.c b/protocol.c
-index 8e26dfb..318a2c7 100644
---- a/protocol.c
-+++ b/protocol.c
-@@ -9,6 +9,9 @@
- #include "enet/time.h"
- #include "enet/enet.h"
- 
-+const ENetHostAddress ENET_HOST_ANY = { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } };
-+const ENetHostAddress ENET_HOST_BROADCAST = { { 0,0,0,0,0,0,0,0,0,0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
-+
- static size_t commandSizes [ENET_PROTOCOL_COMMAND_COUNT] =
- {
-     0,
-@@ -262,9 +265,9 @@ enet_protocol_handle_connect (ENetHost * host, ENetProtocolHeader * header, ENet
-          ++ currentPeer)
-     {
-         if (currentPeer -> state != ENET_PEER_STATE_DISCONNECTED &&
--            currentPeer -> address.host == host -> receivedAddress.host &&
-             currentPeer -> address.port == host -> receivedAddress.port &&
--            currentPeer -> connectID == command -> connect.connectID)
-+            currentPeer -> connectID == command -> connect.connectID &&
-+            !memcmp(& currentPeer -> address.host, & host -> receivedAddress.host, sizeof (ENetHostAddress)))
-           return NULL;
-     }
- 
-@@ -848,10 +851,11 @@ enet_protocol_handle_incoming_commands (ENetHost * host, ENetEvent * event)
- 
-        if (peer -> state == ENET_PEER_STATE_DISCONNECTED ||
-            peer -> state == ENET_PEER_STATE_ZOMBIE ||
--           (host -> receivedAddress.host != peer -> address.host &&
--             peer -> address.host != ENET_HOST_BROADCAST) ||
-            (peer -> outgoingPeerID < ENET_PROTOCOL_MAXIMUM_PEER_ID &&
--            sessionID != peer -> incomingSessionID))
-+            sessionID != peer -> incomingSessionID) ||
-+           ( memcmp(& peer -> address.host, & host -> receivedAddress.host, sizeof (ENetHostAddress)) &&
-+             memcmp(& peer -> address.host, & ENET_HOST_BROADCAST, sizeof (ENetHostAddress)) &&
-+             peer -> address.host.addr[0] != 0xff ) )
-          return 0;
-     }
-  
-@@ -891,8 +895,7 @@ enet_protocol_handle_incoming_commands (ENetHost * host, ENetEvent * event)
-        
-     if (peer != NULL)
-     {
--       peer -> address.host = host -> receivedAddress.host;
--       peer -> address.port = host -> receivedAddress.port;
-+       peer -> address = host -> receivedAddress;
-        peer -> incomingDataTotal += host -> receivedDataLength;
-     }
-     
-diff --git a/unix.c b/unix.c
-index 7329e8d..49fbace 100644
---- a/unix.c
-+++ b/unix.c
-@@ -79,8 +79,8 @@ enet_address_set_host (ENetAddress * address, const char * name)
-     struct addrinfo * res;
- 
-     memset(& hints, 0, sizeof (hints));
--    hints.ai_flags = AI_NUMERICSERV;
--    hints.ai_family = AF_INET;
-+    hints.ai_flags = AI_NUMERICSERV | AI_ADDRCONFIG;
-+    hints.ai_family = AF_UNSPEC;
- 
-     if ( getaddrinfo(name, NULL, &hints, &result) )
-     {
-@@ -91,7 +91,14 @@ enet_address_set_host (ENetAddress * address, const char * name)
-     {
-         if (res -> ai_family == AF_INET)
-         {
--            address -> host = ((struct sockaddr_in *) res -> ai_addr ) -> sin_addr.s_addr;
-+            address -> host = enet_address_map4( ((struct sockaddr_in *) res -> ai_addr ) -> sin_addr.s_addr );
-+            address -> scopeID = 0;
-+            break;
-+        }
-+        if (res -> ai_family == AF_INET6)
-+        {
-+            address -> host = * (ENetHostAddress *) & ((struct sockaddr_in6 *) res -> ai_addr ) -> sin6_addr;
-+            address -> scopeID = ((struct sockaddr_in6 *) res -> ai_addr ) -> sin6_scope_id;
-             break;
-         }
-     }
-@@ -104,12 +111,13 @@ enet_address_set_host (ENetAddress * address, const char * name)
- static int
- enet_address_get_host_x (const ENetAddress * address, char * name, size_t nameLength, int flags)
- {
--    struct sockaddr_in sin;
-+    struct sockaddr_in6 sin;
- 
--    memset (& sin, 0, sizeof (struct sockaddr_in));
-+    memset (& sin, 0, sizeof (struct sockaddr_in6));
- 
--    sin.sin_family = AF_INET;
--    sin.sin_addr = * (struct in_addr *) & address -> host;
-+    sin.sin6_family = AF_INET6;
-+    sin.sin6_addr = * (struct in6_addr *) & address -> host;
-+    sin.sin6_scope_id = address -> scopeID;
- 
-     if ( getnameinfo((struct sockaddr *) & sin, sizeof(sin), name, nameLength, NULL, 0, flags))
-     {
-@@ -134,26 +142,28 @@ enet_address_get_host (const ENetAddress * address, char * name, size_t nameLeng
- int
- enet_socket_bind (ENetSocket socket, const ENetAddress * address)
- {
--    struct sockaddr_in sin;
-+    struct sockaddr_in6 sin;
- 
--    memset (& sin, 0, sizeof (struct sockaddr_in));
-+    memset (& sin, 0, sizeof (struct sockaddr_in6));
- 
--    sin.sin_family = AF_INET;
-+    sin.sin6_family = AF_INET6;
- 
-     if (address != NULL)
-     {
--       sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
--       sin.sin_addr.s_addr = address -> host;
-+       sin.sin6_port = ENET_HOST_TO_NET_16 (address -> port);
-+       sin.sin6_addr = * (struct in6_addr *) & address -> host;
-+       sin.sin6_scope_id = address -> scopeID;
-     }
-     else
-     {
--       sin.sin_port = 0;
--       sin.sin_addr.s_addr = INADDR_ANY;
-+       sin.sin6_port = 0;
-+       sin.sin6_addr = in6addr_any;
-+       sin.sin6_scope_id = 0;
-     }
- 
-     return bind (socket,
-                  (struct sockaddr *) & sin,
--                 sizeof (struct sockaddr_in)); 
-+                 sizeof (struct sockaddr_in6));
- }
- 
- int 
-@@ -165,7 +175,7 @@ enet_socket_listen (ENetSocket socket, int backlog)
- ENetSocket
- enet_socket_create (ENetSocketType type)
- {
--    return socket (PF_INET, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
-+    return socket (AF_INET6, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
- }
- 
- int
-@@ -198,6 +208,10 @@ enet_socket_set_option (ENetSocket socket, ENetSocketOption option, int value)
-             result = setsockopt (socket, SOL_SOCKET, SO_SNDBUF, (char *) & value, sizeof (int));
-             break;
- 
-+        case ENET_SOCKOPT_V6ONLY:
-+            result = setsockopt (socket, IPPROTO_IPV6, IPV6_V6ONLY, (char *) & value, sizeof (int));
-+            break;
-+
-         default:
-             break;
-     }
-@@ -207,23 +221,24 @@ enet_socket_set_option (ENetSocket socket, ENetSocketOption option, int value)
- int
- enet_socket_connect (ENetSocket socket, const ENetAddress * address)
- {
--    struct sockaddr_in sin;
-+    struct sockaddr_in6 sin;
- 
--    memset (& sin, 0, sizeof (struct sockaddr_in));
-+    memset (& sin, 0, sizeof (struct sockaddr_in6));
- 
--    sin.sin_family = AF_INET;
--    sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
--    sin.sin_addr.s_addr = address -> host;
-+    sin.sin6_family = AF_INET6;
-+    sin.sin6_port = ENET_HOST_TO_NET_16 (address -> port);
-+    sin.sin6_addr = * (struct in6_addr *) & address -> host;
-+    sin.sin6_scope_id = address -> scopeID;
- 
--    return connect (socket, (struct sockaddr *) & sin, sizeof (struct sockaddr_in));
-+    return connect (socket, (struct sockaddr *) & sin, sizeof (struct sockaddr_in6));
- }
- 
- ENetSocket
- enet_socket_accept (ENetSocket socket, ENetAddress * address)
- {
-     int result;
--    struct sockaddr_in sin;
--    socklen_t sinLength = sizeof (struct sockaddr_in);
-+    struct sockaddr_in6 sin;
-+    socklen_t sinLength = sizeof (struct sockaddr_in6);
- 
-     result = accept (socket, 
-                      address != NULL ? (struct sockaddr *) & sin : NULL, 
-@@ -234,8 +249,9 @@ enet_socket_accept (ENetSocket socket, ENetAddress * address)
- 
-     if (address != NULL)
-     {
--        address -> host = (enet_uint32) sin.sin_addr.s_addr;
--        address -> port = ENET_NET_TO_HOST_16 (sin.sin_port);
-+        address -> host = * (ENetHostAddress *) & sin.sin6_addr;
-+        address -> scopeID = sin.sin6_scope_id;
-+        address -> port = ENET_NET_TO_HOST_16 (sin.sin6_port);
-     }
- 
-     return result;
-@@ -254,21 +270,22 @@ enet_socket_send (ENetSocket socket,
-                   size_t bufferCount)
- {
-     struct msghdr msgHdr;
--    struct sockaddr_in sin;
-+    struct sockaddr_in6 sin;
-     int sentLength;
- 
-     memset (& msgHdr, 0, sizeof (struct msghdr));
- 
-     if (address != NULL)
-     {
--        memset (& sin, 0, sizeof (struct sockaddr_in));
-+        memset (& sin, 0, sizeof (struct sockaddr_in6));
- 
--        sin.sin_family = AF_INET;
--        sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
--        sin.sin_addr.s_addr = address -> host;
-+        sin.sin6_family = AF_INET6;
-+        sin.sin6_port = ENET_HOST_TO_NET_16 (address -> port);
-+        sin.sin6_addr = * (struct in6_addr *) & address -> host;
-+        sin.sin6_scope_id = address -> scopeID;
- 
-         msgHdr.msg_name = & sin;
--        msgHdr.msg_namelen = sizeof (struct sockaddr_in);
-+        msgHdr.msg_namelen = sizeof (struct sockaddr_in6);
-     }
- 
-     msgHdr.msg_iov = (struct iovec *) buffers;
-@@ -294,7 +311,7 @@ enet_socket_receive (ENetSocket socket,
-                      size_t bufferCount)
- {
-     struct msghdr msgHdr;
--    struct sockaddr_in sin;
-+    struct sockaddr_in6 sin;
-     int recvLength;
- 
-     memset (& msgHdr, 0, sizeof (struct msghdr));
-@@ -302,7 +319,7 @@ enet_socket_receive (ENetSocket socket,
-     if (address != NULL)
-     {
-         msgHdr.msg_name = & sin;
--        msgHdr.msg_namelen = sizeof (struct sockaddr_in);
-+        msgHdr.msg_namelen = sizeof (struct sockaddr_in6);
-     }
- 
-     msgHdr.msg_iov = (struct iovec *) buffers;
-@@ -325,8 +342,9 @@ enet_socket_receive (ENetSocket socket,
- 
-     if (address != NULL)
-     {
--        address -> host = (enet_uint32) sin.sin_addr.s_addr;
--        address -> port = ENET_NET_TO_HOST_16 (sin.sin_port);
-+        address -> host = * (ENetHostAddress *) & sin.sin6_addr;
-+        address -> scopeID = sin.sin6_scope_id;
-+        address -> port = ENET_NET_TO_HOST_16 (sin.sin6_port);
-     }
- 
-     return recvLength;
--- 
-1.7.1
-

Added: code/branches/ipv6/src/external/enet/patches/patch
===================================================================
--- code/branches/ipv6/src/external/enet/patches/patch	                        (rev 0)
+++ code/branches/ipv6/src/external/enet/patches/patch	2010-09-08 02:08:09 UTC (rev 7377)
@@ -0,0 +1,744 @@
+diff --git a/host.c b/host.c
+index 8bb2433..85dfa3c 100644
+--- a/host.c
++++ b/host.c
+@@ -48,11 +48,15 @@ enet_host_create (const ENetAddress * address, size_t peerCount, size_t channelL
+     }
+     memset (host -> peers, 0, peerCount * sizeof (ENetPeer));
+ 
+-    host -> socket = enet_socket_create (ENET_SOCKET_TYPE_DATAGRAM);
+-    if (host -> socket == ENET_SOCKET_NULL || (address != NULL && enet_socket_bind (host -> socket, address) < 0))
++
++    // FIXME: check address for ANY_ADRESS if not only bind to specific protocol
++    // FIXME: allow to fail one of the two protocols
++    /* IPv4 */
++    host -> socket4 = enet_socket_create (ENET_SOCKET_TYPE_DATAGRAM, ENET_IPV4);
++    if (host -> socket4 == ENET_SOCKET_NULL || (address != NULL && enet_socket_bind (host -> socket4, address, ENET_IPV4) < 0))
+     {
+-       if (host -> socket != ENET_SOCKET_NULL)
+-         enet_socket_destroy (host -> socket);
++       if (host -> socket4 != ENET_SOCKET_NULL)
++         enet_socket_destroy (host -> socket4);
+ 
+        enet_free (host -> peers);
+        enet_free (host);
+@@ -60,10 +64,32 @@ enet_host_create (const ENetAddress * address, size_t peerCount, size_t channelL
+        return NULL;
+     }
+ 
+-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_NONBLOCK, 1);
+-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_BROADCAST, 1);
+-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_RCVBUF, ENET_HOST_RECEIVE_BUFFER_SIZE);
+-    enet_socket_set_option (host -> socket, ENET_SOCKOPT_SNDBUF, ENET_HOST_SEND_BUFFER_SIZE);
++    enet_socket_set_option (host -> socket4, ENET_SOCKOPT_NONBLOCK, 1);
++    enet_socket_set_option (host -> socket4, ENET_SOCKOPT_BROADCAST, 1);
++    enet_socket_set_option (host -> socket4, ENET_SOCKOPT_RCVBUF, ENET_HOST_RECEIVE_BUFFER_SIZE);
++    enet_socket_set_option (host -> socket4, ENET_SOCKOPT_SNDBUF, ENET_HOST_SEND_BUFFER_SIZE);
++
++    /* IPv6 */
++    host -> socket6 = enet_socket_create (ENET_SOCKET_TYPE_DATAGRAM, ENET_IPV6);
++    if (host -> socket6 == ENET_SOCKET_NULL || (address != NULL && enet_socket_bind (host -> socket6, address, ENET_IPV6) < 0))
++    {
++       if (host -> socket6 != ENET_SOCKET_NULL)
++       {
++           enet_socket_destroy (host -> socket4);
++           enet_socket_destroy (host -> socket6);
++       }
++
++       enet_free (host -> peers);
++       enet_free (host);
++
++       return NULL;
++    }
++
++    enet_socket_set_option (host -> socket6, ENET_SOCKOPT_NONBLOCK, 1);
++    enet_socket_set_option (host -> socket6, ENET_SOCKOPT_BROADCAST, 1);
++    enet_socket_set_option (host -> socket6, ENET_SOCKOPT_RCVBUF, ENET_HOST_RECEIVE_BUFFER_SIZE);
++    enet_socket_set_option (host -> socket6, ENET_SOCKOPT_SNDBUF, ENET_HOST_SEND_BUFFER_SIZE);
++
+ 
+     if (address != NULL)
+       host -> address = * address;
+@@ -133,7 +159,8 @@ enet_host_destroy (ENetHost * host)
+ {
+     ENetPeer * currentPeer;
+ 
+-    enet_socket_destroy (host -> socket);
++    enet_socket_destroy (host -> socket4);
++    enet_socket_destroy (host -> socket6);
+ 
+     for (currentPeer = host -> peers;
+          currentPeer < & host -> peers [host -> peerCount];
+diff --git a/include/enet/enet.h b/include/enet/enet.h
+index 2f656d6..39cf93e 100644
+--- a/include/enet/enet.h
++++ b/include/enet/enet.h
+@@ -53,13 +53,16 @@ typedef enum _ENetSocketOption
+    ENET_SOCKOPT_REUSEADDR = 5
+ } ENetSocketOption;
+ 
+-enum
++typedef struct _ENetHostAddress
+ {
+-   ENET_HOST_ANY       = 0,            /**< specifies the default server host */
+-   ENET_HOST_BROADCAST = 0xFFFFFFFF,   /**< specifies a subnet-wide broadcast */
++   enet_uint8 addr[16];
++} ENetHostAddress;
+ 
+-   ENET_PORT_ANY       = 0             /**< specifies that a port should be automatically chosen */
+-};
++extern const ENetHostAddress ENET_HOST_ANY;          /**< specifies the default server host */
++extern const ENetHostAddress ENET_IPV4MAPPED_PREFIX; /**< specifies the IPv4-mapped IPv6 prefix */
++extern const ENetHostAddress ENET_HOST_BROADCAST;    /**< specifies a IPv4 subnet-wide broadcast */
++#define ENET_IPV4MAPPED_PREFIX_LEN 12                /**< specifies the length of the IPv4-mapped IPv6 prefix */
++#define ENET_PORT_ANY 0                              /**< specifies that a port should be automatically chosen */
+ 
+ /**
+  * Portable internet address structure. 
+@@ -73,11 +76,22 @@ enum
+  */
+ typedef struct _ENetAddress
+ {
+-   enet_uint32 host;
++   ENetHostAddress host;
++   enet_uint32 scopeID; //FIXME: this is of different size on Windows
+    enet_uint16 port;
+ } ENetAddress;
+ 
+ /**
++ * The address family type.
++ */
++typedef enum _ENetAddressFamily
++{
++    ENET_NO_ADDRESS_FAMILY = 0,
++    ENET_IPV4 = 1,
++    ENET_IPV6 = 2
++} ENetAddressFamily;
++
++/**
+  * Packet flag bit constants.
+  *
+  * The host must be specified in network byte-order, and the port must be in
+@@ -321,7 +335,8 @@ typedef enet_uint32 (ENET_CALLBACK * ENetChecksumCallback) (const ENetBuffer * b
+   */
+ typedef struct _ENetHost
+ {
+-   ENetSocket           socket;
++   ENetSocket           socket4;
++   ENetSocket           socket6;
+    ENetAddress          address;                     /**< Internet address of the host */
+    enet_uint32          incomingBandwidth;           /**< downstream bandwidth of the host */
+    enet_uint32          outgoingBandwidth;           /**< upstream bandwidth of the host */
+@@ -441,14 +456,14 @@ ENET_API void enet_time_set (enet_uint32);
+ /** @defgroup socket ENet socket functions
+     @{
+ */
+-ENET_API ENetSocket enet_socket_create (ENetSocketType);
+-ENET_API int        enet_socket_bind (ENetSocket, const ENetAddress *);
++ENET_API ENetSocket enet_socket_create (ENetSocketType, ENetAddressFamily);
++ENET_API int        enet_socket_bind (ENetSocket, const ENetAddress *, ENetAddressFamily);
+ ENET_API int        enet_socket_listen (ENetSocket, int);
+-ENET_API ENetSocket enet_socket_accept (ENetSocket, ENetAddress *);
+-ENET_API int        enet_socket_connect (ENetSocket, const ENetAddress *);
+-ENET_API int        enet_socket_send (ENetSocket, const ENetAddress *, const ENetBuffer *, size_t);
+-ENET_API int        enet_socket_receive (ENetSocket, ENetAddress *, ENetBuffer *, size_t);
+-ENET_API int        enet_socket_wait (ENetSocket, enet_uint32 *, enet_uint32);
++ENET_API ENetSocket enet_socket_accept (ENetSocket, ENetAddress *, ENetAddressFamily);
++ENET_API int        enet_socket_connect (ENetSocket, const ENetAddress *, ENetAddressFamily);
++ENET_API int        enet_socket_send (ENetSocket, const ENetAddress *, const ENetBuffer *, size_t, ENetAddressFamily);
++ENET_API int        enet_socket_receive (ENetSocket, ENetAddress *, ENetBuffer *, size_t, ENetAddressFamily);
++ENET_API int        enet_socket_wait (ENetSocket, ENetSocket, enet_uint32 *, enet_uint32);
+ ENET_API int        enet_socket_set_option (ENetSocket, ENetSocketOption, int);
+ ENET_API void       enet_socket_destroy (ENetSocket);
+ ENET_API int        enet_socketset_select (ENetSocket, ENetSocketSet *, ENetSocketSet *, enet_uint32);
+@@ -488,6 +503,18 @@ ENET_API int enet_address_get_host_ip (const ENetAddress * address, char * hostN
+ */
+ ENET_API int enet_address_get_host (const ENetAddress * address, char * hostName, size_t nameLength);
+ 
++/** Maps an IPv4 Address to an IPv6 address.
++    @param address IPv4 address in network byte order
++    @returns the IPv4-mapped IPv6 address in network byte order
++*/
++ENET_API ENetHostAddress enet_address_map4 (enet_uint32 address);
++
++/** Returns the Address family of an (IPv4-mapped) IPv6 address.
++    @param address IPv6 address
++    @returns address family
++*/
++ENET_API ENetAddressFamily enet_get_address_family (const ENetAddress * address);
++
+ /** @} */
+ 
+ ENET_API ENetPacket * enet_packet_create (const void *, size_t, enet_uint32);
+diff --git a/protocol.c b/protocol.c
+index 8e26dfb..37f6387 100644
+--- a/protocol.c
++++ b/protocol.c
+@@ -9,6 +9,10 @@
+ #include "enet/time.h"
+ #include "enet/enet.h"
+ 
++const ENetHostAddress ENET_HOST_ANY = { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } };
++const ENetHostAddress ENET_IPV4MAPPED_PREFIX = { { 0,0,0,0,0,0,0,0,0,0, 0xff, 0xff, 0,0,0,0 } };
++const ENetHostAddress ENET_HOST_BROADCAST = { { 0,0,0,0,0,0,0,0,0,0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
++
+ static size_t commandSizes [ENET_PROTOCOL_COMMAND_COUNT] =
+ {
+     0,
+@@ -25,6 +29,22 @@ static size_t commandSizes [ENET_PROTOCOL_COMMAND_COUNT] =
+     sizeof (ENetProtocolThrottleConfigure),
+ };
+ 
++ENetHostAddress
++enet_address_map4 (enet_uint32 address)
++{
++    ENetHostAddress addr = ENET_IPV4MAPPED_PREFIX;
++    ((enet_uint32 *)addr.addr)[3] = address;
++    return addr;
++}
++
++ENetAddressFamily
++enet_get_address_family (const ENetAddress * address)
++{
++    if (!memcmp(& address->host, & ENET_IPV4MAPPED_PREFIX, ENET_IPV4MAPPED_PREFIX_LEN))
++        return ENET_IPV4;
++    return ENET_IPV6;
++}
++
+ size_t
+ enet_protocol_command_size (enet_uint8 commandNumber)
+ {
+@@ -262,9 +282,9 @@ enet_protocol_handle_connect (ENetHost * host, ENetProtocolHeader * header, ENet
+          ++ currentPeer)
+     {
+         if (currentPeer -> state != ENET_PEER_STATE_DISCONNECTED &&
+-            currentPeer -> address.host == host -> receivedAddress.host &&
+             currentPeer -> address.port == host -> receivedAddress.port &&
+-            currentPeer -> connectID == command -> connect.connectID)
++            currentPeer -> connectID == command -> connect.connectID &&
++            !memcmp(& currentPeer -> address.host, & host -> receivedAddress.host, sizeof (ENetHostAddress)))
+           return NULL;
+     }
+ 
+@@ -848,10 +868,11 @@ enet_protocol_handle_incoming_commands (ENetHost * host, ENetEvent * event)
+ 
+        if (peer -> state == ENET_PEER_STATE_DISCONNECTED ||
+            peer -> state == ENET_PEER_STATE_ZOMBIE ||
+-           (host -> receivedAddress.host != peer -> address.host &&
+-             peer -> address.host != ENET_HOST_BROADCAST) ||
+            (peer -> outgoingPeerID < ENET_PROTOCOL_MAXIMUM_PEER_ID &&
+-            sessionID != peer -> incomingSessionID))
++            sessionID != peer -> incomingSessionID) ||
++           ( memcmp(& peer -> address.host, & host -> receivedAddress.host, sizeof (ENetHostAddress)) &&
++             memcmp(& peer -> address.host, & ENET_HOST_BROADCAST, sizeof (ENetHostAddress)) &&
++             peer -> address.host.addr[0] != 0xff ) )
+          return 0;
+     }
+  
+@@ -891,8 +912,7 @@ enet_protocol_handle_incoming_commands (ENetHost * host, ENetEvent * event)
+        
+     if (peer != NULL)
+     {
+-       peer -> address.host = host -> receivedAddress.host;
+-       peer -> address.port = host -> receivedAddress.port;
++       peer -> address = host -> receivedAddress;
+        peer -> incomingDataTotal += host -> receivedDataLength;
+     }
+     
+@@ -1021,7 +1041,7 @@ commandError:
+ }
+  
+ static int
+-enet_protocol_receive_incoming_commands (ENetHost * host, ENetEvent * event)
++enet_protocol_receive_incoming_commands (ENetHost * host, ENetEvent * event, ENetAddressFamily family)
+ {
+     for (;;)
+     {
+@@ -1031,10 +1051,11 @@ enet_protocol_receive_incoming_commands (ENetHost * host, ENetEvent * event)
+        buffer.data = host -> packetData [0];
+        buffer.dataLength = sizeof (host -> packetData [0]);
+ 
+-       receivedLength = enet_socket_receive (host -> socket,
++       receivedLength = enet_socket_receive (family == ENET_IPV4 ? host -> socket4 : host -> socket6,
+                                              & host -> receivedAddress,
+                                              & buffer,
+-                                             1);
++                                             1,
++                                             family);
+ 
+        if (receivedLength < 0)
+          return -1;
+@@ -1042,6 +1063,9 @@ enet_protocol_receive_incoming_commands (ENetHost * host, ENetEvent * event)
+        if (receivedLength == 0)
+          return 0;
+ 
++       if (enet_get_address_family (& host -> receivedAddress) != family)
++         return -1;
++
+        host -> receivedData = host -> packetData [0];
+        host -> receivedDataLength = receivedLength;
+       
+@@ -1497,7 +1521,12 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
+ 
+         currentPeer -> lastSendTime = host -> serviceTime;
+ 
+-        sentLength = enet_socket_send (host -> socket, & currentPeer -> address, host -> buffers, host -> bufferCount);
++        ENetAddressFamily family = enet_get_address_family (& currentPeer -> address);
++        sentLength = enet_socket_send (family == ENET_IPV4 ? host -> socket4 : host -> socket6,
++                                           & currentPeer -> address,
++                                           host -> buffers,
++                                           host -> bufferCount,
++                                           family);
+ 
+         enet_protocol_remove_sent_unreliable_commands (currentPeer);
+ 
+@@ -1608,7 +1637,21 @@ enet_host_service (ENetHost * host, ENetEvent * event, enet_uint32 timeout)
+           break;
+        }
+ 
+-       switch (enet_protocol_receive_incoming_commands (host, event))
++       switch (enet_protocol_receive_incoming_commands (host, event, ENET_IPV4))
++       {
++       case 1:
++          return 1;
++
++       case -1:
++          perror ("Error receiving incoming packets");
++
++          return -1;
++
++       default:
++          break;
++       }
++
++       switch (enet_protocol_receive_incoming_commands (host, event, ENET_IPV6))
+        {
+        case 1:
+           return 1;
+@@ -1660,7 +1703,7 @@ enet_host_service (ENetHost * host, ENetEvent * event, enet_uint32 timeout)
+ 
+        waitCondition = ENET_SOCKET_WAIT_RECEIVE;
+ 
+-       if (enet_socket_wait (host -> socket, & waitCondition, ENET_TIME_DIFFERENCE (timeout, host -> serviceTime)) != 0)
++       if (enet_socket_wait (host -> socket4, host -> socket6, & waitCondition, ENET_TIME_DIFFERENCE (timeout, host -> serviceTime)) != 0)
+          return -1;
+        
+        host -> serviceTime = enet_time_get ();
+diff --git a/unix.c b/unix.c
+index 6971541..96d17f8 100644
+--- a/unix.c
++++ b/unix.c
+@@ -71,122 +71,162 @@ enet_time_set (enet_uint32 newTimeBase)
+     timeBase = timeVal.tv_sec * 1000 + timeVal.tv_usec / 1000 - newTimeBase;
+ }
+ 
+-int
+-enet_address_set_host (ENetAddress * address, const char * name)
++static enet_uint16
++enet_af (ENetAddressFamily family)
+ {
+-    struct hostent * hostEntry = NULL;
+-#ifdef HAS_GETHOSTBYNAME_R
+-    struct hostent hostData;
+-    char buffer [2048];
+-    int errnum;
+-
+-#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+-    gethostbyname_r (name, & hostData, buffer, sizeof (buffer), & hostEntry, & errnum);
+-#else
+-    hostEntry = gethostbyname_r (name, & hostData, buffer, sizeof (buffer), & errnum);
+-#endif
+-#else
+-    hostEntry = gethostbyname (name);
+-#endif
++    if (family == ENET_IPV4)
++        return AF_INET;
++    if (family == ENET_IPV6)
++        return AF_INET6;
++    return 0;
++}
+ 
+-    if (hostEntry == NULL ||
+-        hostEntry -> h_addrtype != AF_INET)
+-    {
+-#ifdef HAS_INET_PTON
+-        if (! inet_pton (AF_INET, name, & address -> host))
+-#else
+-        if (! inet_aton (name, (struct in_addr *) & address -> host))
+-#endif
+-            return -1;
+-        return 0;
+-    }
++static socklen_t
++enet_sa_size (ENetAddressFamily family)
++{
++    if (family == ENET_IPV4)
++        return sizeof (struct sockaddr_in);
++    if (family == ENET_IPV6)
++        return sizeof (struct sockaddr_in6);
++    return 0;
++}
+ 
+-    address -> host = * (enet_uint32 *) hostEntry -> h_addr_list [0];
+ 
+-    return 0;
++static ENetAddressFamily
++enet_address_set_address (ENetAddress * address, const struct sockaddr * sin)
++{
++    memset (address, 0, sizeof (ENetAddress));
++    if (sin -> sa_family == AF_INET)
++    {
++        address -> host = enet_address_map4 ((((struct sockaddr_in *) sin) -> sin_addr.s_addr));
++        //address -> scopeID = 0;
++        address -> port = ENET_NET_TO_HOST_16 (((struct sockaddr_in *) sin) -> sin_port);
++        return ENET_IPV4;
++    }
++    if (sin -> sa_family == AF_INET6)
++    {
++        address -> host = * (ENetHostAddress *) & ((struct sockaddr_in6 *) sin) -> sin6_addr;
++        address -> scopeID = ((struct sockaddr_in6 *) sin) -> sin6_scope_id;
++        address -> port = ENET_NET_TO_HOST_16 (((struct sockaddr_in6 *) sin) -> sin6_port);
++        return ENET_IPV6;
++    }
++    return ENET_NO_ADDRESS_FAMILY;
+ }
+ 
+-int
+-enet_address_get_host_ip (const ENetAddress * address, char * name, size_t nameLength)
++static int
++enet_address_set_sin (struct sockaddr * sin, const ENetAddress * address, ENetAddressFamily family)
+ {
+-#ifdef HAS_INET_NTOP
+-    if (inet_ntop (AF_INET, & address -> host, name, nameLength) == NULL)
+-#else
+-    char * addr = inet_ntoa (* (struct in_addr *) & address -> host);
+-    if (addr != NULL)
+-        strncpy (name, addr, nameLength);
+-    else
+-#endif
+-        return -1;
+-    return 0;
++    memset (sin, 0, enet_sa_size(family));
++    if (family == ENET_IPV4 &&
++      (enet_get_address_family (address) == ENET_IPV4 ||
++      !memcmp (address, & ENET_HOST_ANY, sizeof(ENetHostAddress))))
++    {
++        ((struct sockaddr_in *) sin) -> sin_family = AF_INET;
++        ((struct sockaddr_in *) sin) -> sin_addr = * (struct in_addr *) & address -> host.addr[12];
++        ((struct sockaddr_in *) sin) -> sin_port = ENET_HOST_TO_NET_16 (address -> port);
++        return 0;
++    }
++    else if (family == ENET_IPV6)
++    {
++        ((struct sockaddr_in6 *) sin) -> sin6_family = AF_INET6;
++        ((struct sockaddr_in6 *) sin) -> sin6_addr = * (struct in6_addr *) & address -> host;
++        ((struct sockaddr_in6 *) sin) -> sin6_scope_id = address -> scopeID;
++        ((struct sockaddr_in6 *) sin) -> sin6_port = ENET_HOST_TO_NET_16 (address -> port);
++        return 0;
++    }
++    return -1;
+ }
+ 
+ int
+-enet_address_get_host (const ENetAddress * address, char * name, size_t nameLength)
++enet_address_set_host (ENetAddress * address, const char * name)
+ {
+-    struct in_addr in;
+-    struct hostent * hostEntry = NULL;
+-#ifdef HAS_GETHOSTBYADDR_R
+-    struct hostent hostData;
+-    char buffer [2048];
+-    int errnum;
++    enet_uint16 port = address -> port;
++    struct addrinfo hints;
++    struct addrinfo * result;
++    struct addrinfo * res;
+ 
+-    in.s_addr = address -> host;
++    memset(& hints, 0, sizeof (hints));
++    hints.ai_flags = AI_NUMERICSERV | AI_ADDRCONFIG;
++    hints.ai_family = AF_UNSPEC;
+ 
+-#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+-    gethostbyaddr_r ((char *) & in, sizeof (struct in_addr), AF_INET, & hostData, buffer, sizeof (buffer), & hostEntry, & errnum);
+-#else
+-    hostEntry = gethostbyaddr_r ((char *) & in, sizeof (struct in_addr), AF_INET, & hostData, buffer, sizeof (buffer), & errnum);
+-#endif
+-#else
+-    in.s_addr = address -> host;
++    if ( getaddrinfo(name, NULL, &hints, &result) )
++        return -1;
+ 
+-    hostEntry = gethostbyaddr ((char *) & in, sizeof (struct in_addr), AF_INET);
+-#endif
++    for (res = result; res != NULL; res = res -> ai_next)
++    {
++        if ( enet_address_set_address(address, res -> ai_addr) != ENET_NO_ADDRESS_FAMILY )
++            break;
++    }
+ 
+-    if (hostEntry == NULL)
+-      return enet_address_get_host_ip (address, name, nameLength);
++    address -> port = port;
++    freeaddrinfo(result);
++    if (res == NULL) return -1;
+ 
+-    strncpy (name, hostEntry -> h_name, nameLength);
++    return 0;
++}
++
++static int
++enet_address_get_host_x (const ENetAddress * address, char * name, size_t nameLength, int flags)
++{
++    struct sockaddr_storage sin;
++    enet_address_set_sin((struct sockaddr *) & sin, address, ENET_IPV6);
++
++    if ( getnameinfo((struct sockaddr *) & sin, enet_sa_size (ENET_IPV6), name, nameLength, NULL, 0, flags))
++        return -1;
+ 
+     return 0;
+ }
+ 
+ int
+-enet_socket_bind (ENetSocket socket, const ENetAddress * address)
++enet_address_get_host_ip (const ENetAddress * address, char * name, size_t nameLength)
+ {
+-    struct sockaddr_in sin;
++    return enet_address_get_host_x(address, name, nameLength, NI_NUMERICHOST);
++}
+ 
+-    memset (& sin, 0, sizeof (struct sockaddr_in));
++int
++enet_address_get_host (const ENetAddress * address, char * name, size_t nameLength)
++{
++    return enet_address_get_host_x(address, name, nameLength, 0);
++}
+ 
+-    sin.sin_family = AF_INET;
++int
++enet_socket_bind (ENetSocket socket, const ENetAddress * address, ENetAddressFamily family)
++{
++    struct sockaddr_storage sin;
+ 
+     if (address != NULL)
+     {
+-       sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
+-       sin.sin_addr.s_addr = address -> host;
++        enet_address_set_sin((struct sockaddr *) & sin, address, family);
+     }
+     else
+     {
+-       sin.sin_port = 0;
+-       sin.sin_addr.s_addr = INADDR_ANY;
++        ENetAddress address_ = { ENET_HOST_ANY, 0, 0 };
++        enet_address_set_sin((struct sockaddr *) & sin, & address_, family);
+     }
+ 
+-    return bind (socket,
+-                 (struct sockaddr *) & sin,
+-                 sizeof (struct sockaddr_in)); 
++    return bind (socket, (struct sockaddr *) & sin, enet_sa_size(family));
+ }
+ 
+-int 
++int
+ enet_socket_listen (ENetSocket socket, int backlog)
+ {
+     return listen (socket, backlog < 0 ? SOMAXCONN : backlog);
+ }
+ 
+ ENetSocket
+-enet_socket_create (ENetSocketType type)
++enet_socket_create (ENetSocketType type, ENetAddressFamily family)
+ {
+-    return socket (PF_INET, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
++    ENetSocket sock = socket (enet_af (family), type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
++
++#ifdef IPV6_V6ONLY
++    if (family == ENET_IPV6)
++    {
++        int value = 1;
++        setsockopt (sock, IPPROTO_IPV6, IPV6_V6ONLY, & value, sizeof (int));
++    }
++#endif // IPV6_V6ONLY
++
++    return sock;
+ }
+ 
+ int
+@@ -226,37 +266,31 @@ enet_socket_set_option (ENetSocket socket, ENetSocketOption option, int value)
+ }
+ 
+ int
+-enet_socket_connect (ENetSocket socket, const ENetAddress * address)
++enet_socket_connect (ENetSocket socket, const ENetAddress * address, ENetAddressFamily family)
+ {
+-    struct sockaddr_in sin;
+-
+-    memset (& sin, 0, sizeof (struct sockaddr_in));
++    struct sockaddr_storage sin;
++    enet_address_set_sin((struct sockaddr *) & sin, address, family);
+ 
+-    sin.sin_family = AF_INET;
+-    sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
+-    sin.sin_addr.s_addr = address -> host;
+-
+-    return connect (socket, (struct sockaddr *) & sin, sizeof (struct sockaddr_in));
++    return connect (socket, (struct sockaddr *) & sin, enet_sa_size (family));
+ }
+ 
+ ENetSocket
+-enet_socket_accept (ENetSocket socket, ENetAddress * address)
++enet_socket_accept (ENetSocket socket, ENetAddress * address, ENetAddressFamily family)
+ {
+     int result;
+-    struct sockaddr_in sin;
+-    socklen_t sinLength = sizeof (struct sockaddr_in);
++    struct sockaddr_storage sin;
++    socklen_t sinLength = enet_sa_size (family);
+ 
+     result = accept (socket, 
+                      address != NULL ? (struct sockaddr *) & sin : NULL, 
+                      address != NULL ? & sinLength : NULL);
+-    
++
+     if (result == -1)
+       return ENET_SOCKET_NULL;
+ 
+     if (address != NULL)
+     {
+-        address -> host = (enet_uint32) sin.sin_addr.s_addr;
+-        address -> port = ENET_NET_TO_HOST_16 (sin.sin_port);
++        enet_address_set_address(address, (struct sockaddr *) & sin);
+     }
+ 
+     return result;
+@@ -272,24 +306,20 @@ int
+ enet_socket_send (ENetSocket socket,
+                   const ENetAddress * address,
+                   const ENetBuffer * buffers,
+-                  size_t bufferCount)
++                  size_t bufferCount,
++                  ENetAddressFamily family)
+ {
+     struct msghdr msgHdr;
+-    struct sockaddr_in sin;
++    struct sockaddr_storage sin;
+     int sentLength;
+ 
+     memset (& msgHdr, 0, sizeof (struct msghdr));
+ 
+     if (address != NULL)
+     {
+-        memset (& sin, 0, sizeof (struct sockaddr_in));
+-
+-        sin.sin_family = AF_INET;
+-        sin.sin_port = ENET_HOST_TO_NET_16 (address -> port);
+-        sin.sin_addr.s_addr = address -> host;
+-
++        enet_address_set_sin((struct sockaddr *) & sin, address, family);
+         msgHdr.msg_name = & sin;
+-        msgHdr.msg_namelen = sizeof (struct sockaddr_in);
++        msgHdr.msg_namelen = enet_sa_size (family);
+     }
+ 
+     msgHdr.msg_iov = (struct iovec *) buffers;
+@@ -312,10 +342,11 @@ int
+ enet_socket_receive (ENetSocket socket,
+                      ENetAddress * address,
+                      ENetBuffer * buffers,
+-                     size_t bufferCount)
++                     size_t bufferCount,
++                     ENetAddressFamily family)
+ {
+     struct msghdr msgHdr;
+-    struct sockaddr_in sin;
++    struct sockaddr_storage sin;
+     int recvLength;
+ 
+     memset (& msgHdr, 0, sizeof (struct msghdr));
+@@ -323,7 +354,7 @@ enet_socket_receive (ENetSocket socket,
+     if (address != NULL)
+     {
+         msgHdr.msg_name = & sin;
+-        msgHdr.msg_namelen = sizeof (struct sockaddr_in);
++        msgHdr.msg_namelen = enet_sa_size (family);
+     }
+ 
+     msgHdr.msg_iov = (struct iovec *) buffers;
+@@ -346,8 +377,7 @@ enet_socket_receive (ENetSocket socket,
+ 
+     if (address != NULL)
+     {
+-        address -> host = (enet_uint32) sin.sin_addr.s_addr;
+-        address -> port = ENET_NET_TO_HOST_16 (sin.sin_port);
++        enet_address_set_address(address, (struct sockaddr *) & sin);
+     }
+ 
+     return recvLength;
+@@ -365,22 +395,31 @@ enet_socketset_select (ENetSocket maxSocket, ENetSocketSet * readSet, ENetSocket
+ }
+ 
+ int
+-enet_socket_wait (ENetSocket socket, enet_uint32 * condition, enet_uint32 timeout)
++enet_socket_wait (ENetSocket socket4, ENetSocket socket6, enet_uint32 * condition, enet_uint32 timeout)
+ {
+-#ifdef HAS_POLL
+-    struct pollfd pollSocket;
++    //FIXME allow only one of the sockets being available
++//#ifdef HAS_POLL
++    struct pollfd pollSocket[2];
+     int pollCount;
+     
+-    pollSocket.fd = socket;
+-    pollSocket.events = 0;
++    pollSocket[0].fd = socket4;
++    pollSocket[1].fd = socket6;
++    pollSocket[0].events = 0;
++    pollSocket[1].events = 0;
+ 
+     if (* condition & ENET_SOCKET_WAIT_SEND)
+-      pollSocket.events |= POLLOUT;
++    {
++        pollSocket[0].events |= POLLOUT;
++        pollSocket[1].events |= POLLOUT;
++    }
+ 
+     if (* condition & ENET_SOCKET_WAIT_RECEIVE)
+-      pollSocket.events |= POLLIN;
++    {
++        pollSocket[0].events |= POLLIN;
++        pollSocket[1].events |= POLLIN;
++    }
+ 
+-    pollCount = poll (& pollSocket, 1, timeout);
++    pollCount = poll (pollSocket, 2, timeout);
+ 
+     if (pollCount < 0)
+       return -1;
+@@ -390,13 +429,15 @@ enet_socket_wait (ENetSocket socket, enet_uint32 * condition, enet_uint32 timeou
+     if (pollCount == 0)
+       return 0;
+ 
+-    if (pollSocket.revents & POLLOUT)
++    if ((pollSocket[0].revents | pollSocket[1].revents) & POLLOUT)
+       * condition |= ENET_SOCKET_WAIT_SEND;
+     
+-    if (pollSocket.revents & POLLIN)
++    if ((pollSocket[0].revents | pollSocket[1].revents) & POLLIN)
+       * condition |= ENET_SOCKET_WAIT_RECEIVE;
+ 
+     return 0;
++/*
++FIXME: implement this
+ #else
+     fd_set readSet, writeSet;
+     struct timeval timeVal;
+@@ -432,6 +473,7 @@ enet_socket_wait (ENetSocket socket, enet_uint32 * condition, enet_uint32 timeou
+ 
+     return 0;
+ #endif
++*/
+ }
+ 
+ #endif

Modified: code/branches/ipv6/src/external/enet/protocol.c
===================================================================
--- code/branches/ipv6/src/external/enet/protocol.c	2010-09-08 01:52:20 UTC (rev 7376)
+++ code/branches/ipv6/src/external/enet/protocol.c	2010-09-08 02:08:09 UTC (rev 7377)
@@ -10,6 +10,7 @@
 #include "enet/enet.h"
 
 const ENetHostAddress ENET_HOST_ANY = { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } };
+const ENetHostAddress ENET_IPV4MAPPED_PREFIX = { { 0,0,0,0,0,0,0,0,0,0, 0xff, 0xff, 0,0,0,0 } };
 const ENetHostAddress ENET_HOST_BROADCAST = { { 0,0,0,0,0,0,0,0,0,0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } };
 
 static size_t commandSizes [ENET_PROTOCOL_COMMAND_COUNT] =
@@ -28,6 +29,22 @@
     sizeof (ENetProtocolThrottleConfigure),
 };
 
+ENetHostAddress
+enet_address_map4 (enet_uint32 address)
+{
+    ENetHostAddress addr = ENET_IPV4MAPPED_PREFIX;
+    ((enet_uint32 *)addr.addr)[3] = address;
+    return addr;
+}
+
+ENetAddressFamily
+enet_get_address_family (const ENetAddress * address)
+{
+    if (!memcmp(& address->host, & ENET_IPV4MAPPED_PREFIX, ENET_IPV4MAPPED_PREFIX_LEN))
+        return ENET_IPV4;
+    return ENET_IPV6;
+}
+
 size_t
 enet_protocol_command_size (enet_uint8 commandNumber)
 {
@@ -1024,7 +1041,7 @@
 }
  
 static int
-enet_protocol_receive_incoming_commands (ENetHost * host, ENetEvent * event)
+enet_protocol_receive_incoming_commands (ENetHost * host, ENetEvent * event, ENetAddressFamily family)
 {
     for (;;)
     {
@@ -1034,10 +1051,11 @@
        buffer.data = host -> packetData [0];
        buffer.dataLength = sizeof (host -> packetData [0]);
 
-       receivedLength = enet_socket_receive (host -> socket,
+       receivedLength = enet_socket_receive (family == ENET_IPV4 ? host -> socket4 : host -> socket6,
                                              & host -> receivedAddress,
                                              & buffer,
-                                             1);
+                                             1,
+                                             family);
 
        if (receivedLength < 0)
          return -1;
@@ -1045,6 +1063,9 @@
        if (receivedLength == 0)
          return 0;
 
+       if (enet_get_address_family (& host -> receivedAddress) != family)
+         return -1;
+
        host -> receivedData = host -> packetData [0];
        host -> receivedDataLength = receivedLength;
       
@@ -1500,7 +1521,12 @@
 
         currentPeer -> lastSendTime = host -> serviceTime;
 
-        sentLength = enet_socket_send (host -> socket, & currentPeer -> address, host -> buffers, host -> bufferCount);
+        ENetAddressFamily family = enet_get_address_family (& currentPeer -> address);
+        sentLength = enet_socket_send (family == ENET_IPV4 ? host -> socket4 : host -> socket6,
+                                           & currentPeer -> address,
+                                           host -> buffers,
+                                           host -> bufferCount,
+                                           family);
 
         enet_protocol_remove_sent_unreliable_commands (currentPeer);
 
@@ -1611,7 +1637,7 @@
           break;
        }
 
-       switch (enet_protocol_receive_incoming_commands (host, event))
+       switch (enet_protocol_receive_incoming_commands (host, event, ENET_IPV4))
        {
        case 1:
           return 1;
@@ -1625,6 +1651,20 @@
           break;
        }
 
+       switch (enet_protocol_receive_incoming_commands (host, event, ENET_IPV6))
+       {
+       case 1:
+          return 1;
+
+       case -1:
+          perror ("Error receiving incoming packets");
+
+          return -1;
+
+       default:
+          break;
+       }
+
        switch (enet_protocol_send_outgoing_commands (host, event, 1))
        {
        case 1:
@@ -1663,7 +1703,7 @@
 
        waitCondition = ENET_SOCKET_WAIT_RECEIVE;
 
-       if (enet_socket_wait (host -> socket, & waitCondition, ENET_TIME_DIFFERENCE (timeout, host -> serviceTime)) != 0)
+       if (enet_socket_wait (host -> socket4, host -> socket6, & waitCondition, ENET_TIME_DIFFERENCE (timeout, host -> serviceTime)) != 0)
          return -1;
        
        host -> serviceTime = enet_time_get ();

Modified: code/branches/ipv6/src/external/enet/unix.c
===================================================================
--- code/branches/ipv6/src/external/enet/unix.c	2010-09-08 01:52:20 UTC (rev 7376)
+++ code/branches/ipv6/src/external/enet/unix.c	2010-09-08 02:08:09 UTC (rev 7377)
@@ -71,9 +71,76 @@
     timeBase = timeVal.tv_sec * 1000 + timeVal.tv_usec / 1000 - newTimeBase;
 }
 
+static enet_uint16
+enet_af (ENetAddressFamily family)
+{
+    if (family == ENET_IPV4)
+        return AF_INET;
+    if (family == ENET_IPV6)
+        return AF_INET6;
+    return 0;
+}
+
+static socklen_t
+enet_sa_size (ENetAddressFamily family)
+{
+    if (family == ENET_IPV4)
+        return sizeof (struct sockaddr_in);
+    if (family == ENET_IPV6)
+        return sizeof (struct sockaddr_in6);
+    return 0;
+}
+
+
+static ENetAddressFamily
+enet_address_set_address (ENetAddress * address, const struct sockaddr * sin)
+{
+    memset (address, 0, sizeof (ENetAddress));
+    if (sin -> sa_family == AF_INET)
+    {
+        address -> host = enet_address_map4 ((((struct sockaddr_in *) sin) -> sin_addr.s_addr));
+        //address -> scopeID = 0;
+        address -> port = ENET_NET_TO_HOST_16 (((struct sockaddr_in *) sin) -> sin_port);
+        return ENET_IPV4;
+    }
+    if (sin -> sa_family == AF_INET6)
+    {
+        address -> host = * (ENetHostAddress *) & ((struct sockaddr_in6 *) sin) -> sin6_addr;
+        address -> scopeID = ((struct sockaddr_in6 *) sin) -> sin6_scope_id;
+        address -> port = ENET_NET_TO_HOST_16 (((struct sockaddr_in6 *) sin) -> sin6_port);
+        return ENET_IPV6;
+    }
+    return ENET_NO_ADDRESS_FAMILY;
+}
+
+static int
+enet_address_set_sin (struct sockaddr * sin, const ENetAddress * address, ENetAddressFamily family)
+{
+    memset (sin, 0, enet_sa_size(family));
+    if (family == ENET_IPV4 &&
+      (enet_get_address_family (address) == ENET_IPV4 ||
+      !memcmp (address, & ENET_HOST_ANY, sizeof(ENetHostAddress))))
+    {
+        ((struct sockaddr_in *) sin) -> sin_family = AF_INET;
+        ((struct sockaddr_in *) sin) -> sin_addr = * (struct in_addr *) & address -> host.addr[12];
+        ((struct sockaddr_in *) sin) -> sin_port = ENET_HOST_TO_NET_16 (address -> port);
+        return 0;
+    }
+    else if (family == ENET_IPV6)
+    {
+        ((struct sockaddr_in6 *) sin) -> sin6_family = AF_INET6;
+        ((struct sockaddr_in6 *) sin) -> sin6_addr = * (struct in6_addr *) & address -> host;
+        ((struct sockaddr_in6 *) sin) -> sin6_scope_id = address -> scopeID;
+        ((struct sockaddr_in6 *) sin) -> sin6_port = ENET_HOST_TO_NET_16 (address -> port);
+        return 0;
+    }
+    return -1;
+}
+
 int
 enet_address_set_host (ENetAddress * address, const char * name)
 {
+    enet_uint16 port = address -> port;
     struct addrinfo hints;
     struct addrinfo * result;
     struct addrinfo * res;
@@ -83,25 +150,15 @@
     hints.ai_family = AF_UNSPEC;
 
     if ( getaddrinfo(name, NULL, &hints, &result) )
-    {
         return -1;
-    }
 
     for (res = result; res != NULL; res = res -> ai_next)
     {
-        if (res -> ai_family == AF_INET)
-        {
-            address -> host = enet_address_map4( ((struct sockaddr_in *) res -> ai_addr ) -> sin_addr.s_addr );
-            address -> scopeID = 0;
+        if ( enet_address_set_address(address, res -> ai_addr) != ENET_NO_ADDRESS_FAMILY )
             break;
-        }
-        if (res -> ai_family == AF_INET6)
-        {
-            address -> host = * (ENetHostAddress *) & ((struct sockaddr_in6 *) res -> ai_addr ) -> sin6_addr;
-            address -> scopeID = ((struct sockaddr_in6 *) res -> ai_addr ) -> sin6_scope_id;
-            break;
-        }
     }
+
+    address -> port = port;
     freeaddrinfo(result);
     if (res == NULL) return -1;
 
@@ -111,18 +168,11 @@
 static int
 enet_address_get_host_x (const ENetAddress * address, char * name, size_t nameLength, int flags)
 {
-    struct sockaddr_in6 sin;
+    struct sockaddr_storage sin;
+    enet_address_set_sin((struct sockaddr *) & sin, address, ENET_IPV6);
 
-    memset (& sin, 0, sizeof (struct sockaddr_in6));
-
-    sin.sin6_family = AF_INET6;
-    sin.sin6_addr = * (struct in6_addr *) & address -> host;
-    sin.sin6_scope_id = address -> scopeID;
-
-    if ( getnameinfo((struct sockaddr *) & sin, sizeof(sin), name, nameLength, NULL, 0, flags))
-    {
+    if ( getnameinfo((struct sockaddr *) & sin, enet_sa_size (ENET_IPV6), name, nameLength, NULL, 0, flags))
         return -1;
-    }
 
     return 0;
 }
@@ -140,42 +190,43 @@
 }
 
 int
-enet_socket_bind (ENetSocket socket, const ENetAddress * address)
+enet_socket_bind (ENetSocket socket, const ENetAddress * address, ENetAddressFamily family)
 {
-    struct sockaddr_in6 sin;
+    struct sockaddr_storage sin;
 
-    memset (& sin, 0, sizeof (struct sockaddr_in6));
-
-    sin.sin6_family = AF_INET6;
-
     if (address != NULL)
     {
-       sin.sin6_port = ENET_HOST_TO_NET_16 (address -> port);
-       sin.sin6_addr = * (struct in6_addr *) & address -> host;
-       sin.sin6_scope_id = address -> scopeID;
+        enet_address_set_sin((struct sockaddr *) & sin, address, family);
     }
     else
     {
-       sin.sin6_port = 0;
-       sin.sin6_addr = in6addr_any;
-       sin.sin6_scope_id = 0;
+        ENetAddress address_ = { ENET_HOST_ANY, 0, 0 };
+        enet_address_set_sin((struct sockaddr *) & sin, & address_, family);
     }
 
-    return bind (socket,
-                 (struct sockaddr *) & sin,
-                 sizeof (struct sockaddr_in6));
+    return bind (socket, (struct sockaddr *) & sin, enet_sa_size(family));
 }
 
-int 
+int
 enet_socket_listen (ENetSocket socket, int backlog)
 {
     return listen (socket, backlog < 0 ? SOMAXCONN : backlog);
 }
 
 ENetSocket
-enet_socket_create (ENetSocketType type)
+enet_socket_create (ENetSocketType type, ENetAddressFamily family)
 {
-    return socket (AF_INET6, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
+    ENetSocket sock = socket (enet_af (family), type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
+
+#ifdef IPV6_V6ONLY
+    if (family == ENET_IPV6)
+    {
+        int value = 1;
+        setsockopt (sock, IPPROTO_IPV6, IPV6_V6ONLY, & value, sizeof (int));
+    }
+#endif // IPV6_V6ONLY
+
+    return sock;
 }
 
 int
@@ -208,10 +259,6 @@
             result = setsockopt (socket, SOL_SOCKET, SO_SNDBUF, (char *) & value, sizeof (int));
             break;
 
-        case ENET_SOCKOPT_V6ONLY:
-            result = setsockopt (socket, IPPROTO_IPV6, IPV6_V6ONLY, (char *) & value, sizeof (int));
-            break;
-
         default:
             break;
     }
@@ -219,39 +266,31 @@
 }
 
 int
-enet_socket_connect (ENetSocket socket, const ENetAddress * address)
+enet_socket_connect (ENetSocket socket, const ENetAddress * address, ENetAddressFamily family)
 {
-    struct sockaddr_in6 sin;
+    struct sockaddr_storage sin;
+    enet_address_set_sin((struct sockaddr *) & sin, address, family);
 
-    memset (& sin, 0, sizeof (struct sockaddr_in6));
-
-    sin.sin6_family = AF_INET6;
-    sin.sin6_port = ENET_HOST_TO_NET_16 (address -> port);
-    sin.sin6_addr = * (struct in6_addr *) & address -> host;
-    sin.sin6_scope_id = address -> scopeID;
-
-    return connect (socket, (struct sockaddr *) & sin, sizeof (struct sockaddr_in6));
+    return connect (socket, (struct sockaddr *) & sin, enet_sa_size (family));
 }
 
 ENetSocket
-enet_socket_accept (ENetSocket socket, ENetAddress * address)
+enet_socket_accept (ENetSocket socket, ENetAddress * address, ENetAddressFamily family)
 {
     int result;
-    struct sockaddr_in6 sin;
-    socklen_t sinLength = sizeof (struct sockaddr_in6);
+    struct sockaddr_storage sin;
+    socklen_t sinLength = enet_sa_size (family);
 
     result = accept (socket, 
                      address != NULL ? (struct sockaddr *) & sin : NULL, 
                      address != NULL ? & sinLength : NULL);
-    
+
     if (result == -1)
       return ENET_SOCKET_NULL;
 
     if (address != NULL)
     {
-        address -> host = * (ENetHostAddress *) & sin.sin6_addr;
-        address -> scopeID = sin.sin6_scope_id;
-        address -> port = ENET_NET_TO_HOST_16 (sin.sin6_port);
+        enet_address_set_address(address, (struct sockaddr *) & sin);
     }
 
     return result;
@@ -267,25 +306,20 @@
 enet_socket_send (ENetSocket socket,
                   const ENetAddress * address,
                   const ENetBuffer * buffers,
-                  size_t bufferCount)
+                  size_t bufferCount,
+                  ENetAddressFamily family)
 {
     struct msghdr msgHdr;
-    struct sockaddr_in6 sin;
+    struct sockaddr_storage sin;
     int sentLength;
 
     memset (& msgHdr, 0, sizeof (struct msghdr));
 
     if (address != NULL)
     {
-        memset (& sin, 0, sizeof (struct sockaddr_in6));
-
-        sin.sin6_family = AF_INET6;
-        sin.sin6_port = ENET_HOST_TO_NET_16 (address -> port);
-        sin.sin6_addr = * (struct in6_addr *) & address -> host;
-        sin.sin6_scope_id = address -> scopeID;
-
+        enet_address_set_sin((struct sockaddr *) & sin, address, family);
         msgHdr.msg_name = & sin;
-        msgHdr.msg_namelen = sizeof (struct sockaddr_in6);
+        msgHdr.msg_namelen = enet_sa_size (family);
     }
 
     msgHdr.msg_iov = (struct iovec *) buffers;
@@ -308,10 +342,11 @@
 enet_socket_receive (ENetSocket socket,
                      ENetAddress * address,
                      ENetBuffer * buffers,
-                     size_t bufferCount)
+                     size_t bufferCount,
+                     ENetAddressFamily family)
 {
     struct msghdr msgHdr;
-    struct sockaddr_in6 sin;
+    struct sockaddr_storage sin;
     int recvLength;
 
     memset (& msgHdr, 0, sizeof (struct msghdr));
@@ -319,7 +354,7 @@
     if (address != NULL)
     {
         msgHdr.msg_name = & sin;
-        msgHdr.msg_namelen = sizeof (struct sockaddr_in6);
+        msgHdr.msg_namelen = enet_sa_size (family);
     }
 
     msgHdr.msg_iov = (struct iovec *) buffers;
@@ -342,9 +377,7 @@
 
     if (address != NULL)
     {
-        address -> host = * (ENetHostAddress *) & sin.sin6_addr;
-        address -> scopeID = sin.sin6_scope_id;
-        address -> port = ENET_NET_TO_HOST_16 (sin.sin6_port);
+        enet_address_set_address(address, (struct sockaddr *) & sin);
     }
 
     return recvLength;
@@ -362,22 +395,31 @@
 }
 
 int
-enet_socket_wait (ENetSocket socket, enet_uint32 * condition, enet_uint32 timeout)
+enet_socket_wait (ENetSocket socket4, ENetSocket socket6, enet_uint32 * condition, enet_uint32 timeout)
 {
-#ifdef HAS_POLL
-    struct pollfd pollSocket;
+    //FIXME allow only one of the sockets being available
+//#ifdef HAS_POLL
+    struct pollfd pollSocket[2];
     int pollCount;
     
-    pollSocket.fd = socket;
-    pollSocket.events = 0;
+    pollSocket[0].fd = socket4;
+    pollSocket[1].fd = socket6;
+    pollSocket[0].events = 0;
+    pollSocket[1].events = 0;
 
     if (* condition & ENET_SOCKET_WAIT_SEND)
-      pollSocket.events |= POLLOUT;
+    {
+        pollSocket[0].events |= POLLOUT;
+        pollSocket[1].events |= POLLOUT;
+    }
 
     if (* condition & ENET_SOCKET_WAIT_RECEIVE)
-      pollSocket.events |= POLLIN;
+    {
+        pollSocket[0].events |= POLLIN;
+        pollSocket[1].events |= POLLIN;
+    }
 
-    pollCount = poll (& pollSocket, 1, timeout);
+    pollCount = poll (pollSocket, 2, timeout);
 
     if (pollCount < 0)
       return -1;
@@ -387,13 +429,15 @@
     if (pollCount == 0)
       return 0;
 
-    if (pollSocket.revents & POLLOUT)
+    if ((pollSocket[0].revents | pollSocket[1].revents) & POLLOUT)
       * condition |= ENET_SOCKET_WAIT_SEND;
     
-    if (pollSocket.revents & POLLIN)
+    if ((pollSocket[0].revents | pollSocket[1].revents) & POLLIN)
       * condition |= ENET_SOCKET_WAIT_RECEIVE;
 
     return 0;
+/*
+FIXME: implement this
 #else
     fd_set readSet, writeSet;
     struct timeval timeVal;
@@ -429,6 +473,7 @@
 
     return 0;
 #endif
+*/
 }
 
 #endif




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