9  * 2018-05-17     ChenYong     Add socket abstraction layer
17 #include <sys/socket.h>
22     int socket = dfs_net_getsocket(s);  in accept()  local
24     new_socket = sal_accept(socket, addr, addrlen);  in accept()
27         /* this is a new socket, create it in file system fd */  in accept()
43             /* this is a socket fd */  in accept()
53             /* set socket to the data of dfs_fd */  in accept()
73     int socket = dfs_net_getsocket(s);  in bind()  local
75     return sal_bind(socket, name, namelen);  in bind()
81     int socket;  in shutdown()  local
92     socket = dfs_net_getsocket(s);  in shutdown()
93     if (sal_shutdown(socket, how) == 0)  in shutdown()
95         /* socket has been closed, delete it from file system fd */  in shutdown()
109     int socket = dfs_net_getsocket(s);  in getpeername()  local
111     return sal_getpeername(socket, name, namelen);  in getpeername()
117     int socket = dfs_net_getsocket(s);  in getsockname()  local
119     return sal_getsockname(socket, name, namelen);  in getsockname()
125     int socket = dfs_net_getsocket(s);  in getsockopt()  local
127     return sal_getsockopt(socket, level, optname, optval, optlen);  in getsockopt()
133     int socket = dfs_net_getsocket(s);  in setsockopt()  local
135     return sal_setsockopt(socket, level, optname, optval, optlen);  in setsockopt()
141     int socket = dfs_net_getsocket(s);  in connect()  local
143     return sal_connect(socket, name, namelen);  in connect()
149     int socket = dfs_net_getsocket(s);  in listen()  local
151     return sal_listen(socket, backlog);  in listen()
157     int socket = dfs_net_getsocket(s);  in recv()  local
159     return sal_recvfrom(socket, mem, len, flags, NULL, NULL);  in recv()
166     int socket = dfs_net_getsocket(s);  in recvfrom()  local
168     return sal_recvfrom(socket, mem, len, flags, from, fromlen);  in recvfrom()
174     int socket = dfs_net_getsocket(s);  in send()  local
176     return sal_sendto(socket, dataptr, size, flags, NULL, 0);  in send()
183     int socket = dfs_net_getsocket(s);  in sendto()  local
185     return sal_sendto(socket, dataptr, size, flags, to, tolen);  in sendto()
189 int socket(int domain, int type, int protocol)  in socket()  function
191     /* create a BSD socket */  in socket()
193     int socket;  in socket()  local
206     /* create socket  and then put it to the dfs_fd */  in socket()
207     socket = sal_socket(domain, type, protocol);  in socket()
208     if (socket >= 0)  in socket()
210         /* this is a socket fd */  in socket()
220         /* set socket to the data of dfs_fd */  in socket()
221         d->data = (void *) socket;  in socket()
239 RTM_EXPORT(socket);
243     int socket = dfs_net_getsocket(s);  in closesocket()  local
252     if (sal_closesocket(socket) == 0)  in closesocket()
254         /* socket has been closed, delete it from file system fd */  in closesocket()
267     int socket = dfs_net_getsocket(s);  in ioctlsocket()  local
269     return sal_ioctlsocket(socket, cmd, arg);  in ioctlsocket()