diff options
Diffstat (limited to 'ace/SOCK_Acceptor.cpp')
-rw-r--r-- | ace/SOCK_Acceptor.cpp | 271 |
1 files changed, 93 insertions, 178 deletions
diff --git a/ace/SOCK_Acceptor.cpp b/ace/SOCK_Acceptor.cpp index 04c8553631e..f86f37c67b5 100644 --- a/ace/SOCK_Acceptor.cpp +++ b/ace/SOCK_Acceptor.cpp @@ -21,75 +21,6 @@ ACE_SOCK_Acceptor::ACE_SOCK_Acceptor (void) ACE_TRACE ("ACE_SOCK_Acceptor::ACE_SOCK_Acceptor"); } -// Performs the timed accept operation. - -int -ACE_SOCK_Acceptor::shared_accept_start (ACE_Time_Value *timeout, - int restart, - int &in_blocking_mode) const -{ - ACE_TRACE ("ACE_SOCK_Acceptor::shared_accept_start"); - - ACE_HANDLE handle = this->get_handle (); - - // Handle the case where we're doing a timed <accept>. - if (timeout != 0) - { - if (ACE::handle_timed_accept (handle, - timeout, - restart) == -1) - return -1; - else - { - in_blocking_mode = ACE_BIT_DISABLED (ACE::get_flags (handle), - ACE_NONBLOCK); - // Set the handle into non-blocking mode if it's not already - // in it. - if (in_blocking_mode - && ACE::set_flags (handle, - ACE_NONBLOCK) == -1) - return -1; - } - } - - return 0; -} - -int -ACE_SOCK_Acceptor::shared_accept_finish (ACE_SOCK_Stream new_stream, - int in_blocking_mode, - int reset_new_handle) const -{ - ACE_TRACE ("ACE_SOCK_Acceptor::shared_accept_finish ()"); - - ACE_HANDLE new_handle = new_stream.get_handle (); - - // Check to see if we were originally in blocking mode, and if so, - // set the <new_stream>'s handle and <this> handle to be in blocking - // mode. - if (in_blocking_mode) - { - // Save/restore errno. - ACE_Errno_Guard error (errno); - // Only disable ACE_NONBLOCK if we weren't in - // non-blocking mode originally. - ACE::clr_flags (this->get_handle (), - ACE_NONBLOCK); - ACE::clr_flags (new_handle, - ACE_NONBLOCK); - } - -#if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0) - if (reset_new_handle) - // Reset the event association inherited by the new handle. - ::WSAEventSelect ((SOCKET) new_handle, 0, 0); -#else - ACE_UNUSED_ARG (reset_new_handle); -#endif /* ACE_WIN32 */ - - return new_handle == ACE_INVALID_HANDLE ? -1 : 0; -} - // General purpose routine for accepting new connections. int @@ -101,97 +32,13 @@ ACE_SOCK_Acceptor::accept (ACE_SOCK_Stream &new_stream, { ACE_TRACE ("ACE_SOCK_Acceptor::accept"); - int in_blocking_mode = 0; - if (this->shared_accept_start (timeout, - restart, - in_blocking_mode) == -1) - return -1; - else - { - // On Win32 the third parameter to <accept> must be a NULL - // pointer if we want to ignore the client's address. - int *len_ptr = 0; - sockaddr *addr = 0; - int len = 0; - - if (remote_addr != 0) - { - len = remote_addr->get_size (); - len_ptr = &len; - addr = (sockaddr *) remote_addr->get_addr (); - } - - do - new_stream.set_handle (ACE_OS::accept (this->get_handle (), - addr, - len_ptr)); - while (new_stream.get_handle () == ACE_INVALID_HANDLE - && restart != 0 - && errno == EINTR - && timeout == 0); - - // Reset the size of the addr, which is only necessary for UNIX - // domain sockets. - if (new_stream.get_handle () != ACE_INVALID_HANDLE - && remote_addr != 0) - remote_addr->set_size (len); - } - - return this->shared_accept_finish (new_stream, - in_blocking_mode, - reset_new_handle); -} - -int -ACE_SOCK_Acceptor::accept (ACE_SOCK_Stream &new_stream, - ACE_Accept_QoS_Params qos_params, - ACE_Addr *remote_addr, - ACE_Time_Value *timeout, - int restart, - int reset_new_handle) const -{ - ACE_TRACE ("ACE_SOCK_Acceptor::accept"); - - int in_blocking_mode = 0; - if (this->shared_accept_start (timeout, - restart, - in_blocking_mode) == -1) - return -1; - else - { - // On Win32 the third parameter to <accept> must be a NULL - // pointer if we want to ignore the client's address. - int *len_ptr = 0; - int len = 0; - sockaddr *addr = 0; - - if (remote_addr != 0) - { - len = remote_addr->get_size (); - len_ptr = &len; - addr = (sockaddr *) remote_addr->get_addr (); - } - - do - new_stream.set_handle (ACE_OS::accept (this->get_handle (), - addr, - len_ptr, - qos_params)); - while (new_stream.get_handle () == ACE_INVALID_HANDLE - && restart != 0 - && errno == EINTR - && timeout == 0); - - // Reset the size of the addr, which is only necessary for UNIX - // domain sockets. - if (new_stream.get_handle () != ACE_INVALID_HANDLE - && remote_addr != 0) - remote_addr->set_size (len); - } - - return this->shared_accept_finish (new_stream, - in_blocking_mode, - reset_new_handle); + ACE_HANDLE new_handle = + this->shared_accept (remote_addr, + timeout, + restart, + reset_new_handle); + new_stream.set_handle (new_handle); + return new_handle == ACE_INVALID_HANDLE ? -1 : 0; } // General purpose routine for performing server ACE_SOCK creation. @@ -203,14 +50,9 @@ ACE_SOCK_Acceptor::ACE_SOCK_Acceptor (const ACE_Addr &local_sap, int protocol) { ACE_TRACE ("ACE_SOCK_Acceptor::ACE_SOCK_Acceptor"); - if (this->open (local_sap, - reuse_addr, - protocol_family, - backlog, - protocol) == -1) - ACE_ERROR ((LM_ERROR, - ASYS_TEXT ("%p\n"), - ASYS_TEXT ("ACE_SOCK_Acceptor"))); + if (this->open (local_sap, reuse_addr, protocol_family, + backlog, protocol) == -1) + ACE_ERROR ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("ACE_SOCK_Acceptor"))); } void @@ -231,10 +73,8 @@ ACE_SOCK_Acceptor::open (const ACE_Addr &local_sap, ACE_TRACE ("ACE_SOCK_Acceptor::open"); int error = 0; - if (ACE_SOCK::open (SOCK_STREAM, - protocol_family, - protocol, - reuse_addr) == -1) + if (ACE_SOCK::open (SOCK_STREAM, protocol_family, + protocol, reuse_addr) == -1) error = 1; else if (protocol_family == PF_INET) @@ -261,20 +101,95 @@ ACE_SOCK_Acceptor::open (const ACE_Addr &local_sap, else { if (ACE_OS::bind (this->get_handle (), - ACE_reinterpret_cast (sockaddr *, - &local_inet_addr), + ACE_reinterpret_cast(sockaddr *, &local_inet_addr), sizeof local_inet_addr) == -1) error = 1; } } - else if (ACE_OS::bind (this->get_handle (), - (sockaddr *) local_sap.get_addr (), + else if (ACE_OS::bind (this->get_handle (), (sockaddr *) local_sap.get_addr (), local_sap.get_size ()) == -1) error = 1; - if (error || ACE_OS::listen (this->get_handle (), - backlog) == -1) + if (error || ACE_OS::listen (this->get_handle (), backlog) == -1) this->close (); return error ? -1 : 0; } + +// Performs the timed accept operation. + +ACE_HANDLE +ACE_SOCK_Acceptor::shared_accept (ACE_Addr *remote_addr, + ACE_Time_Value *timeout, + int restart, + int reset_new_handle) const +{ + ACE_TRACE ("ACE_SOCK_Acceptor::shared_accept"); + ACE_UNUSED_ARG (reset_new_handle); + + sockaddr *addr = 0; + int *len_ptr = 0; + int len; + ACE_HANDLE new_handle; + ACE_HANDLE handle = this->get_handle (); + + if (remote_addr != 0) + { + len = remote_addr->get_size (); + len_ptr = &len; + addr = (sockaddr *) remote_addr->get_addr (); + } + + // Handle the case where we're doing a timed <accept>. + if (timeout != 0) + { + if (ACE::handle_timed_accept (handle, timeout, restart) == -1) + return ACE_INVALID_HANDLE; + else + { + int val = ACE::get_flags (handle); + + // Set the handle into non-blocking mode if it's not already + // in it. + if (ACE_BIT_DISABLED (val, ACE_NONBLOCK) + && ACE::set_flags (handle, ACE_NONBLOCK) == -1) + return ACE_INVALID_HANDLE; + + new_handle = ACE_OS::accept (handle, addr, len_ptr); + + if (ACE_BIT_DISABLED (val, ACE_NONBLOCK)) + { + // We need to stash errno here because <ACE::clr_flags> + // may reset it. + int error = errno; + + // Only disable ACE_NONBLOCK if we weren't in + // non-blocking mode originally. + ACE::clr_flags (handle, ACE_NONBLOCK); + ACE::clr_flags (new_handle, ACE_NONBLOCK); + errno = error; + } + } + } + else + { + // Perform a blocking accept. + + do + new_handle = ACE_OS::accept (handle, addr, len_ptr); + while (new_handle == ACE_INVALID_HANDLE && restart && errno == EINTR); + } + +#if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0) + if (reset_new_handle) + // Reset the event association inherited by the new handle. + ::WSAEventSelect ((SOCKET) new_handle, NULL, 0); +#endif /* ACE_WIN32 */ + + // Reset the size of the addr (really only necessary for the + // UNIX domain sockets). + if (new_handle != ACE_INVALID_HANDLE && remote_addr != 0) + remote_addr->set_size (*len_ptr); + + return new_handle; +} |