LSOCK_Stream.cpp

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00001 // LSOCK_Stream.cpp,v 4.19 2005/10/28 16:14:52 ossama Exp
00002 
00003 #include "ace/LSOCK_Stream.h"
00004 #if !defined (ACE_LACKS_UNIX_DOMAIN_SOCKETS)
00005 
00006 #include "ace/Log_Msg.h"
00007 #include "ace/OS_NS_sys_socket.h"
00008 
00009 ACE_RCSID(ace, LSOCK_Stream, "LSOCK_Stream.cpp,v 4.19 2005/10/28 16:14:52 ossama Exp")
00010 
00011 #if !defined (__ACE_INLINE__)
00012 #include "ace/LSOCK_Stream.inl"
00013 #endif /* __ACE_INLINE__ */
00014 
00015 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
00016 
00017 ACE_ALLOC_HOOK_DEFINE(ACE_LSOCK_Stream)
00018 
00019 int
00020 ACE_LSOCK_Stream::get_local_addr (ACE_Addr &addr) const
00021 {
00022   ACE_TRACE ("ACE_LSOCK_Stream::get_local_addr");
00023 
00024   // Perform the downcast since <addr> had better be an
00025   // <ACE_UNIX_Addr>.
00026   ACE_UNIX_Addr *rhs_unix_addr = dynamic_cast<ACE_UNIX_Addr *> (&addr);
00027   ACE_UNIX_Addr lhs_unix_addr;
00028 
00029   if (rhs_unix_addr == 0)
00030     return -1;
00031   else if (ACE_SOCK::get_local_addr (lhs_unix_addr) == -1)
00032     return -1;
00033   else
00034     {
00035       *rhs_unix_addr = lhs_unix_addr;
00036       return 0;
00037     }
00038 }
00039 
00040 int
00041 ACE_LSOCK_Stream::get_remote_addr (ACE_Addr &addr) const
00042 {
00043   ACE_TRACE ("ACE_LSOCK_Stream::get_remote_addr");
00044 
00045   return this->get_local_addr (addr);
00046 }
00047 
00048 void
00049 ACE_LSOCK_Stream::dump (void) const
00050 {
00051   ACE_TRACE ("ACE_LSOCK_Stream::dump");
00052 
00053   ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
00054   ACE_SOCK_Stream::dump ();
00055   ACE_LSOCK::dump ();
00056   ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
00057 }
00058 
00059 #if defined (ACE_HAS_MSG)
00060 
00061 // Send a readv-style vector of buffers, along with an open I/O
00062 // handle.
00063 
00064 ssize_t
00065 ACE_LSOCK_Stream::send_msg (const iovec iov[],
00066                             size_t n,
00067                             ACE_HANDLE handle)
00068 {
00069   ACE_TRACE ("ACE_LSOCK_Stream::send_msg");
00070   msghdr send_msg;
00071 #if defined (ACE_HAS_4_4BSD_SENDMSG_RECVMSG)
00072   char cmsgbuf[ACE_BSD_CONTROL_MSG_LEN];
00073   cmsghdr *cmsgptr = (cmsghdr *) cmsgbuf;
00074 #endif /* ACE_HAS_4_4BSD_SENDMSG_RECVMSG */
00075 
00076   send_msg.msg_iov = const_cast <iovec *> (iov);
00077   send_msg.msg_iovlen = n;
00078   send_msg.msg_name = 0;
00079   send_msg.msg_namelen = 0;
00080 
00081 #if defined (ACE_HAS_4_4BSD_SENDMSG_RECVMSG)
00082   cmsgptr->cmsg_level = SOL_SOCKET;
00083   cmsgptr->cmsg_type = SCM_RIGHTS;
00084   cmsgptr->cmsg_len = sizeof cmsgbuf;
00085   send_msg.msg_control = cmsgbuf;
00086   send_msg.msg_controllen = sizeof cmsgbuf;
00087   *(ACE_HANDLE *) CMSG_DATA (cmsgptr) = handle;
00088   send_msg.msg_flags = 0 ;
00089 #else
00090   send_msg.msg_accrights    = (char *) &handle;
00091   send_msg.msg_accrightslen = sizeof handle;
00092 #endif /* ACE_HAS_4_4BSD_SENDMSG_RECVMSG */
00093 
00094   return ACE_OS::sendmsg (this->ACE_SOCK_Stream::get_handle (),
00095                           &send_msg, 0);
00096 }
00097 
00098 // Read a readv-style vector of buffers, along with an open I/O
00099 // handle.
00100 
00101 ssize_t
00102 ACE_LSOCK_Stream::recv_msg (iovec iov[],
00103                             size_t n,
00104                             ACE_HANDLE &handle)
00105 {
00106   ACE_TRACE ("ACE_LSOCK_Stream::recv_msg");
00107   msghdr recv_msg;
00108 #if defined (ACE_HAS_4_4BSD_SENDMSG_RECVMSG)
00109   char cmsgbuf[ACE_BSD_CONTROL_MSG_LEN];
00110   cmsghdr *cmsgptr = (cmsghdr *) cmsgbuf;
00111 #endif /* ACE_HAS_4_4BSD_SENDMSG_RECVMSG */
00112 
00113   recv_msg.msg_iov = (iovec *) iov;
00114   recv_msg.msg_iovlen = n;
00115   recv_msg.msg_name = 0;
00116   recv_msg.msg_namelen = 0;
00117 
00118 #if defined (ACE_HAS_4_4BSD_SENDMSG_RECVMSG)
00119   recv_msg.msg_control = cmsgbuf;
00120   recv_msg.msg_controllen = sizeof cmsgbuf;
00121   ssize_t result = ACE_OS::recvmsg (this->ACE_SOCK_Stream::get_handle (),
00122                                     &recv_msg, 0);
00123   handle = *(ACE_HANDLE*) CMSG_DATA (cmsgptr) ;
00124   return result;
00125 #else
00126   recv_msg.msg_accrights = (char *) &handle;
00127   recv_msg.msg_accrightslen = sizeof handle;
00128 
00129   return ACE_OS::recvmsg (this->ACE_SOCK_Stream::get_handle (),
00130                           &recv_msg, 0);
00131 #endif /* ACE_HAS_4_4BSD_SENDMSG_RECVMSG */
00132 }
00133 #endif /* ACE_HAS_MSG */
00134 
00135 ACE_END_VERSIONED_NAMESPACE_DECL
00136 
00137 #endif /* ACE_LACKS_UNIX_DOMAIN_SOCKETS */

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