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added broadcasting

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This commit is contained in:
eihrul 2005-06-08 01:13:28 +00:00
parent 59d5c26e38
commit fd57f842d5
4 changed files with 20 additions and 8 deletions
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10
include/enet/enet.h
View file

@ -44,7 +44,8 @@ typedef enum
enum enum
{ {
ENET_HOST_ANY = 0 ENET_HOST_ANY = 0, /**< specifies the default server host */
ENET_HOST_BROADCAST = 0xFFFFFFFF /**< specifies a subnet-wide broadcast */
}; };
/** /**
@ -52,11 +53,14 @@ enum
* *
* The host must be specified in network byte-order, and the port must be in host * The host must be specified in network byte-order, and the port must be in host
* byte-order. The constant ENET_HOST_ANY may be used to specify the default * byte-order. The constant ENET_HOST_ANY may be used to specify the default
* server host. * server host. The constant ENET_HOST_BROADCAST may be used to specify the
* broadcast address (255.255.255.255). This makes sense for enet_host_connect,
* but not for enet_host_create. Once a server responds to a broadcast, the
* address is updated from ENET_HOST_BROADCAST to the server's actual IP address.
*/ */
typedef struct _ENetAddress typedef struct _ENetAddress
{ {
enet_uint32 host; /**< may use ENET_HOST_ANY to specify default server host */ enet_uint32 host;
enet_uint16 port; enet_uint16 port;
} ENetAddress; } ENetAddress;

8
protocol.c
View file

@ -643,11 +643,15 @@ enet_protocol_handle_incoming_commands (ENetHost * host, ENetEvent * event)
if (peer -> state == ENET_PEER_STATE_DISCONNECTED || if (peer -> state == ENET_PEER_STATE_DISCONNECTED ||
peer -> state == ENET_PEER_STATE_ZOMBIE || peer -> state == ENET_PEER_STATE_ZOMBIE ||
host -> receivedAddress.host != peer -> address.host || (host -> receivedAddress.host != peer -> address.host &&
peer -> address.host != ENET_HOST_BROADCAST) ||
header -> challenge != peer -> challenge) header -> challenge != peer -> challenge)
return 0; return 0;
else else
peer -> address.port = host -> receivedAddress.port; {
peer -> address.host = host -> receivedAddress.host;
peer -> address.port = host -> receivedAddress.port;
}
} }
if (peer != NULL) if (peer != NULL)

4
unix.c
View file

@ -128,7 +128,8 @@ ENetSocket
enet_socket_create (ENetSocketType type, const ENetAddress * address) enet_socket_create (ENetSocketType type, const ENetAddress * address)
{ {
ENetSocket newSocket = socket (PF_INET, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0); ENetSocket newSocket = socket (PF_INET, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
int receiveBufferSize = ENET_HOST_RECEIVE_BUFFER_SIZE; int receiveBufferSize = ENET_HOST_RECEIVE_BUFFER_SIZE,
allowBroadcasting = 1;
#ifndef HAS_FCNTL #ifndef HAS_FCNTL
int nonBlocking = 1; int nonBlocking = 1;
#endif #endif
@ -146,6 +147,7 @@ enet_socket_create (ENetSocketType type, const ENetAddress * address)
#endif #endif
setsockopt (newSocket, SOL_SOCKET, SO_RCVBUF, (char *) & receiveBufferSize, sizeof (int)); setsockopt (newSocket, SOL_SOCKET, SO_RCVBUF, (char *) & receiveBufferSize, sizeof (int));
setsockopt (newSocket, SOL_SOCKET, SO_BROADCAST, (char *) & allowBroadcasting, sizeof (int));
} }
if (address == NULL) if (address == NULL)

6
win32.c
View file

@ -88,8 +88,9 @@ ENetSocket
enet_socket_create (ENetSocketType type, const ENetAddress * address) enet_socket_create (ENetSocketType type, const ENetAddress * address)
{ {
ENetSocket newSocket = socket (PF_INET, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0); ENetSocket newSocket = socket (PF_INET, type == ENET_SOCKET_TYPE_DATAGRAM ? SOCK_DGRAM : SOCK_STREAM, 0);
u_long nonBlocking = 1, u_long nonBlocking = 1;
receiveBufferSize = ENET_HOST_RECEIVE_BUFFER_SIZE; int receiveBufferSize = ENET_HOST_RECEIVE_BUFFER_SIZE,
allowBroadcasting = 1;
struct sockaddr_in sin; struct sockaddr_in sin;
if (newSocket == ENET_SOCKET_NULL) if (newSocket == ENET_SOCKET_NULL)
@ -100,6 +101,7 @@ enet_socket_create (ENetSocketType type, const ENetAddress * address)
ioctlsocket (newSocket, FIONBIO, & nonBlocking); ioctlsocket (newSocket, FIONBIO, & nonBlocking);
setsockopt (newSocket, SOL_SOCKET, SO_RCVBUF, (char *) & receiveBufferSize, sizeof (int)); setsockopt (newSocket, SOL_SOCKET, SO_RCVBUF, (char *) & receiveBufferSize, sizeof (int));
setsockopt (newSocket, SOL_SOCKET, SO_BROADCAST, (char *) & allowBroadcasting, sizeof (int));
} }
memset (& sin, 0, sizeof (struct sockaddr_in)); memset (& sin, 0, sizeof (struct sockaddr_in));