michael@0: /*
michael@0: Copyright (c) 2007, Adobe Systems, Incorporated
michael@0: All rights reserved.
michael@0: 
michael@0: Redistribution and use in source and binary forms, with or without
michael@0: modification, are permitted provided that the following conditions are
michael@0: met:
michael@0: 
michael@0: * Redistributions of source code must retain the above copyright
michael@0:   notice, this list of conditions and the following disclaimer.
michael@0: 
michael@0: * Redistributions in binary form must reproduce the above copyright
michael@0:   notice, this list of conditions and the following disclaimer in the
michael@0:   documentation and/or other materials provided with the distribution.
michael@0: 
michael@0: * Neither the name of Adobe Systems, Network Resonance nor the names of its
michael@0:   contributors may be used to endorse or promote products derived from
michael@0:   this software without specific prior written permission.
michael@0: 
michael@0: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0: "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0: LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0: A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0: OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0: OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: */
michael@0: 
michael@0: 
michael@0: 
michael@0: static char *RCSSTRING __UNUSED__="$Id: nr_socket.c,v 1.2 2008/04/28 17:59:02 ekr Exp $";
michael@0: 
michael@0: #include <assert.h>
michael@0: #include <nr_api.h>
michael@0: #include "nr_socket.h"
michael@0: #include "local_addr.h"
michael@0: 
michael@0: #define CHECK_DEFINED(f) assert(sock->vtbl->f); if (!sock->vtbl->f) ERETURN(R_INTERNAL);
michael@0: int nr_socket_create_int(void *obj, nr_socket_vtbl *vtbl, nr_socket **sockp)
michael@0:   {
michael@0:     int _status;
michael@0:     nr_socket *sock=0;
michael@0: 
michael@0:     if(!(sock=RCALLOC(sizeof(nr_socket))))
michael@0:       ABORT(R_NO_MEMORY);
michael@0: 
michael@0:     assert(vtbl->version == 1);
michael@0:     if (vtbl->version != 1)
michael@0:        ABORT(R_INTERNAL);
michael@0: 
michael@0:     sock->obj=obj;
michael@0:     sock->vtbl=vtbl;
michael@0: 
michael@0:     *sockp=sock;
michael@0: 
michael@0:     _status=0;
michael@0:   abort:
michael@0:     return(_status);
michael@0:   }
michael@0: 
michael@0: int nr_socket_destroy(nr_socket **sockp)
michael@0:   {
michael@0:     nr_socket *sock;
michael@0: 
michael@0:     if(!sockp || !*sockp)
michael@0:       return(0);
michael@0: 
michael@0: 
michael@0:     sock=*sockp;
michael@0:     *sockp=0;
michael@0: 
michael@0:     CHECK_DEFINED(destroy);
michael@0: 
michael@0:     assert(sock->vtbl);
michael@0:     if (sock->vtbl)
michael@0:       sock->vtbl->destroy(&sock->obj);
michael@0: 
michael@0:     RFREE(sock);
michael@0: 
michael@0:     return(0);
michael@0:   }
michael@0: 
michael@0: int nr_socket_sendto(nr_socket *sock,const void *msg, size_t len, int flags,
michael@0:   nr_transport_addr *addr)
michael@0:   {
michael@0:     CHECK_DEFINED(ssendto);
michael@0:     return sock->vtbl->ssendto(sock->obj,msg,len,flags,addr);
michael@0:   }
michael@0: 
michael@0: int nr_socket_recvfrom(nr_socket *sock,void * restrict buf, size_t maxlen,
michael@0:   size_t *len, int flags, nr_transport_addr *addr)
michael@0:   {
michael@0:     CHECK_DEFINED(srecvfrom);
michael@0:     return sock->vtbl->srecvfrom(sock->obj, buf, maxlen, len, flags, addr);
michael@0:   }
michael@0: 
michael@0: int nr_socket_getfd(nr_socket *sock, NR_SOCKET *fd)
michael@0:   {
michael@0:     CHECK_DEFINED(getfd);
michael@0:     return sock->vtbl->getfd(sock->obj, fd);
michael@0:   }
michael@0: 
michael@0: int nr_socket_getaddr(nr_socket *sock, nr_transport_addr *addrp)
michael@0:   {
michael@0:     CHECK_DEFINED(getaddr);
michael@0:     return sock->vtbl->getaddr(sock->obj, addrp);
michael@0:   }
michael@0: 
michael@0: int nr_socket_close(nr_socket *sock)
michael@0:   {
michael@0:     CHECK_DEFINED(close);
michael@0:     return sock->vtbl->close(sock->obj);
michael@0:   }
michael@0: 
michael@0: int nr_socket_connect(nr_socket *sock, nr_transport_addr *addr)
michael@0:   {
michael@0:     CHECK_DEFINED(connect);
michael@0:     return sock->vtbl->connect(sock->obj, addr);
michael@0:   }
michael@0: 
michael@0: int nr_socket_write(nr_socket *sock,const void *msg, size_t len, size_t *written, int flags)
michael@0:   {
michael@0:     CHECK_DEFINED(swrite);
michael@0:     return sock->vtbl->swrite(sock->obj, msg, len, written);
michael@0:   }
michael@0: 
michael@0: 
michael@0: int nr_socket_read(nr_socket *sock,void * restrict buf, size_t maxlen,
michael@0:   size_t *len, int flags)
michael@0:   {
michael@0:     CHECK_DEFINED(sread);
michael@0:     return sock->vtbl->sread(sock->obj, buf, maxlen, len);
michael@0:   }