#include <SOCK_Acceptor.h>
Inheritance diagram for ACE_SOCK_Acceptor:
Public Types | |
typedef ACE_INET_Addr | PEER_ADDR |
typedef ACE_SOCK_Stream | PEER_STREAM |
Public Member Functions | |
ACE_SOCK_Acceptor (void) | |
Default constructor. | |
ACE_SOCK_Acceptor (const ACE_Addr &local_sap, int reuse_addr=0, int protocol_family=PF_UNSPEC, int backlog=ACE_DEFAULT_BACKLOG, int protocol=0) | |
ACE_SOCK_Acceptor (const ACE_Addr &local_sap, ACE_Protocol_Info *protocolinfo, ACE_SOCK_GROUP g, u_long flags, int reuse_addr, int protocol_family=PF_UNSPEC, int backlog=ACE_DEFAULT_BACKLOG, int protocol=0) | |
int | open (const ACE_Addr &local_sap, int reuse_addr=0, int protocol_family=PF_UNSPEC, int backlog=ACE_DEFAULT_BACKLOG, int protocol=0) |
int | open (const ACE_Addr &local_sap, ACE_Protocol_Info *protocolinfo, ACE_SOCK_GROUP g, u_long flags, int reuse_addr, int protocol_family=PF_UNSPEC, int backlog=ACE_DEFAULT_BACKLOG, int protocol=0) |
int | close (void) |
Close the socket. Returns 0 on success and -1 on failure. | |
~ACE_SOCK_Acceptor (void) | |
Default dtor. | |
int | accept (ACE_SOCK_Stream &new_stream, ACE_Addr *remote_addr=0, ACE_Time_Value *timeout=0, int restart=1, int reset_new_handle=0) const |
int | accept (ACE_SOCK_Stream &new_stream, ACE_Accept_QoS_Params qos_params, ACE_Addr *remote_addr=0, ACE_Time_Value *timeout=0, int restart=1, int reset_new_handle=0) const |
void | dump (void) const |
Dump the state of an object. | |
Public Attributes | |
ACE_ALLOC_HOOK_DECLARE | |
Declare the dynamic allocation hooks. | |
Protected Member Functions | |
int | shared_accept_start (ACE_Time_Value *timeout, int restart, int &in_blocking_mode) const |
int | shared_accept_finish (ACE_SOCK_Stream new_stream, int in_blocking_mode, int reset_new_handle) const |
int | shared_open (const ACE_Addr &local_sap, int protocol_family, int backlog) |
Private Member Functions | |
int | get_remote_addr (ACE_Addr &) const |
Do not allow this function to percolate up to this interface... |
The ACE_SOCK_Acceptor has its own "passive-mode" socket. This serves as a factory to create so-called "data-mode" sockets, which are what the ACE_SOCK_Stream encapsulates. Therefore, by inheriting from ACE_SOCK, ACE_SOCK_Acceptor gets its very own socket.
Definition at line 39 of file SOCK_Acceptor.h.
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Reimplemented in ACE_LSOCK_Acceptor, and ACE_MEM_Acceptor. Definition at line 135 of file SOCK_Acceptor.h. |
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Reimplemented in ACE_LSOCK_Acceptor, and ACE_MEM_Acceptor. Definition at line 136 of file SOCK_Acceptor.h. |
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Default constructor.
Definition at line 27 of file SOCK_Acceptor.cpp. References ACE_TRACE.
00028 { 00029 ACE_TRACE ("ACE_SOCK_Acceptor::ACE_SOCK_Acceptor"); 00030 } |
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Initialize a passive-mode BSD-style acceptor socket (no QoS). local_sap is the address that we're going to listen for connections on. If reuse_addr is 1 then we'll use the Definition at line 385 of file SOCK_Acceptor.cpp. References ACE_ERROR, ACE_LIB_TEXT, ACE_TRACE, LM_ERROR, and open().
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Initialize a passive-mode QoS-enabled acceptor socket. Returns 0 on success and -1 on failure. Definition at line 327 of file SOCK_Acceptor.cpp. References ACE_ERROR, ACE_LIB_TEXT, ACE_SOCK_GROUP, ACE_TRACE, LM_ERROR, and open().
00335 { 00336 ACE_TRACE ("ACE_SOCK_Acceptor::ACE_SOCK_Acceptor"); 00337 if (this->open (local_sap, 00338 protocolinfo, 00339 g, 00340 flags, 00341 reuse_addr, 00342 protocol_family, 00343 backlog, 00344 protocol) == -1) 00345 ACE_ERROR ((LM_ERROR, 00346 ACE_LIB_TEXT ("%p\n"), 00347 ACE_LIB_TEXT ("ACE_SOCK_Acceptor"))); 00348 } |
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Default dtor.
Definition at line 8 of file SOCK_Acceptor.inl. References ACE_TRACE.
00009 { 00010 ACE_TRACE ("ACE_SOCK_Acceptor::~ACE_SOCK_Acceptor"); 00011 } |
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Accept a new connection using the QoS information in . A of 0 means block forever, a of {0, 0} means poll. == 1 means "restart if interrupted," i.e., if errno == EINTR. Note that inherits the "blocking mode" of , i.e., if acceptor factory is in non-blocking mode, the will be in non-blocking mode and vice versa. Reimplemented in ACE_MEM_Acceptor. Definition at line 160 of file SOCK_Acceptor.cpp. References ACE_TRACE, ACE_Addr::get_addr(), ACE_IPC_SAP::get_handle(), ACE_Addr::get_size(), ACE_IPC_SAP::set_handle(), ACE_Addr::set_size(), shared_accept_finish(), and shared_accept_start().
00166 { 00167 ACE_TRACE ("ACE_SOCK_Acceptor::accept"); 00168 00169 int in_blocking_mode = 0; 00170 if (this->shared_accept_start (timeout, 00171 restart, 00172 in_blocking_mode) == -1) 00173 return -1; 00174 else 00175 { 00176 // On Win32 the third parameter to <accept> must be a NULL 00177 // pointer if we want to ignore the client's address. 00178 int *len_ptr = 0; 00179 int len = 0; 00180 sockaddr *addr = 0; 00181 00182 if (remote_addr != 0) 00183 { 00184 len = remote_addr->get_size (); 00185 len_ptr = &len; 00186 addr = (sockaddr *) remote_addr->get_addr (); 00187 } 00188 00189 do 00190 new_stream.set_handle (ACE_OS::accept (this->get_handle (), 00191 addr, 00192 len_ptr, 00193 qos_params)); 00194 while (new_stream.get_handle () == ACE_INVALID_HANDLE 00195 && restart != 0 00196 && errno == EINTR 00197 && timeout == 0); 00198 00199 // Reset the size of the addr, which is only necessary for UNIX 00200 // domain sockets. 00201 if (new_stream.get_handle () != ACE_INVALID_HANDLE 00202 && remote_addr != 0) 00203 remote_addr->set_size (len); 00204 } 00205 00206 return this->shared_accept_finish (new_stream, 00207 in_blocking_mode, 00208 reset_new_handle); 00209 } |
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Accept a new connection. A of 0 means block forever, a of {0, 0} means poll. == 1 means "restart if interrupted," i.e., if errno == EINTR. Note that inherits the "blocking mode" of , i.e., if acceptor factory is in non-blocking mode, the will be in non-blocking mode and vice versa. Reimplemented in ACE_LOCK_SOCK_Acceptor< ACE_LOCK >, and ACE_MEM_Acceptor. Definition at line 105 of file SOCK_Acceptor.cpp. References ACE_TRACE, ACE_Addr::get_addr(), ACE_IPC_SAP::get_handle(), ACE_Addr::get_size(), ACE_IPC_SAP::set_handle(), ACE_Addr::set_size(), ACE_Addr::set_type(), shared_accept_finish(), and shared_accept_start(). Referenced by ACE_LOCK_SOCK_Acceptor< ACE_LOCK >::accept(), ACE_Service_Manager::handle_input(), and ACE_Pipe::open().
00110 { 00111 ACE_TRACE ("ACE_SOCK_Acceptor::accept"); 00112 00113 int in_blocking_mode = 0; 00114 if (this->shared_accept_start (timeout, 00115 restart, 00116 in_blocking_mode) == -1) 00117 return -1; 00118 else 00119 { 00120 // On Win32 the third parameter to <accept> must be a NULL 00121 // pointer if we want to ignore the client's address. 00122 int *len_ptr = 0; 00123 sockaddr *addr = 0; 00124 int len = 0; 00125 00126 if (remote_addr != 0) 00127 { 00128 len = remote_addr->get_size (); 00129 len_ptr = &len; 00130 addr = (sockaddr *) remote_addr->get_addr (); 00131 } 00132 00133 do 00134 new_stream.set_handle (ACE_OS::accept (this->get_handle (), 00135 addr, 00136 len_ptr)); 00137 while (new_stream.get_handle () == ACE_INVALID_HANDLE 00138 && restart != 0 00139 && errno == EINTR 00140 && timeout == 0); 00141 00142 // Reset the size of the addr, so the proper UNIX/IPv4/IPv6 family 00143 // is known. 00144 if (new_stream.get_handle () != ACE_INVALID_HANDLE 00145 && remote_addr != 0) 00146 { 00147 remote_addr->set_size (len); 00148 if (addr) 00149 remote_addr->set_type (addr->sa_family); 00150 } 00151 } 00152 00153 return this->shared_accept_finish (new_stream, 00154 in_blocking_mode, 00155 reset_new_handle); 00156 } |
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Close the socket. Returns 0 on success and -1 on failure.
Reimplemented from ACE_SOCK. Definition at line 403 of file SOCK_Acceptor.cpp. References ACE_SOCK::close(). Referenced by ACE_Service_Manager::handle_close(), ACE_Pipe::open(), ACE_LSOCK_Acceptor::remove(), and shared_open().
00404 { 00405 return ACE_SOCK::close (); 00406 } |
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Dump the state of an object.
Reimplemented from ACE_SOCK. Reimplemented in ACE_LSOCK_Acceptor, and ACE_MEM_Acceptor. Definition at line 213 of file SOCK_Acceptor.cpp. References ACE_TRACE.
00214 { 00215 #if defined (ACE_HAS_DUMP) 00216 ACE_TRACE ("ACE_SOCK_Acceptor::dump"); 00217 #endif /* ACE_HAS_DUMP */ 00218 } |
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Do not allow this function to percolate up to this interface...
Reimplemented from ACE_SOCK. |
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Initialize a passive-mode QoS-enabled acceptor socket. Returns 0 on success and -1 on failure. Reimplemented in ACE_MEM_Acceptor. Definition at line 299 of file SOCK_Acceptor.cpp. References ACE_SOCK_GROUP, ACE_TRACE, ACE_Addr::get_type(), ACE_SOCK::open(), and shared_open().
00307 { 00308 ACE_TRACE ("ACE_SOCK_Acceptor::open"); 00309 00310 if (protocol_family == PF_UNSPEC) 00311 protocol_family = local_sap.get_type (); 00312 00313 if (ACE_SOCK::open (SOCK_STREAM, 00314 protocol_family, 00315 protocol, 00316 protocolinfo, 00317 g, 00318 flags, 00319 reuse_addr) == -1) 00320 return -1; 00321 else 00322 return this->shared_open (local_sap, 00323 protocol_family, 00324 backlog); 00325 } |
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Initialize a passive-mode BSD-style acceptor socket (no QoS). is the address that we're going to listen for connections on. If is 1 then we'll use the to reuse this address. Returns 0 on success and -1 on failure. Reimplemented in ACE_LSOCK_Acceptor, and ACE_MEM_Acceptor. Definition at line 353 of file SOCK_Acceptor.cpp. References ACE_TRACE, ACE_Addr::get_type(), ACE::ipv6_enabled(), ACE_SOCK::open(), and shared_open(). Referenced by ACE_SOCK_Acceptor(), ACE_Service_Manager::open(), ACE_Pipe::open(), ACE_MEM_Acceptor::open(), and ACE_LSOCK_Acceptor::open().
00358 { 00359 ACE_TRACE ("ACE_SOCK_Acceptor::open"); 00360 00361 if (local_sap != ACE_Addr::sap_any) 00362 protocol_family = local_sap.get_type (); 00363 else if (protocol_family == PF_UNSPEC) 00364 { 00365 #if defined (ACE_HAS_IPV6) 00366 protocol_family = ACE::ipv6_enabled () ? PF_INET6 : PF_INET; 00367 #else 00368 protocol_family = PF_INET; 00369 #endif /* ACE_HAS_IPV6 */ 00370 } 00371 00372 if (ACE_SOCK::open (SOCK_STREAM, 00373 protocol_family, 00374 protocol, 00375 reuse_addr) == -1) 00376 return -1; 00377 else 00378 return this->shared_open (local_sap, 00379 protocol_family, 00380 backlog); 00381 } |
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Perform operations that must occur after <ACE_OS::accept> is called. Definition at line 67 of file SOCK_Acceptor.cpp. References ACE_NONBLOCK, ACE_TRACE, ACE::clr_flags(), and ACE_IPC_SAP::get_handle(). Referenced by accept(), and ACE_LSOCK_Acceptor::accept().
00070 { 00071 ACE_TRACE ("ACE_SOCK_Acceptor::shared_accept_finish ()"); 00072 00073 ACE_HANDLE new_handle = new_stream.get_handle (); 00074 00075 // Check to see if we were originally in blocking mode, and if so, 00076 // set the <new_stream>'s handle and <this> handle to be in blocking 00077 // mode. 00078 if (in_blocking_mode) 00079 { 00080 // Save/restore errno. 00081 ACE_Errno_Guard error (errno); 00082 00083 // Only disable ACE_NONBLOCK if we weren't in non-blocking mode 00084 // originally. 00085 ACE::clr_flags (this->get_handle (), 00086 ACE_NONBLOCK); 00087 ACE::clr_flags (new_handle, 00088 ACE_NONBLOCK); 00089 } 00090 00091 #if defined (ACE_HAS_WINSOCK2) && (ACE_HAS_WINSOCK2 != 0) 00092 if (reset_new_handle) 00093 // Reset the event association inherited by the new handle. 00094 ::WSAEventSelect ((SOCKET) new_handle, 0, 0); 00095 #else 00096 ACE_UNUSED_ARG (reset_new_handle); 00097 #endif /* ACE_WIN32 */ 00098 00099 return new_handle == ACE_INVALID_HANDLE ? -1 : 0; 00100 } |
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Perform operations that must occur before <ACE_OS::accept> is called. Definition at line 35 of file SOCK_Acceptor.cpp. References ACE_BIT_DISABLED, ACE_NONBLOCK, ACE_TRACE, ACE_IPC_SAP::get_handle(), ACE::handle_timed_accept(), and ACE::set_flags(). Referenced by accept(), ACE_MEM_Acceptor::accept(), and ACE_LSOCK_Acceptor::accept().
00038 { 00039 ACE_TRACE ("ACE_SOCK_Acceptor::shared_accept_start"); 00040 00041 ACE_HANDLE handle = this->get_handle (); 00042 00043 // Handle the case where we're doing a timed <accept>. 00044 if (timeout != 0) 00045 { 00046 if (ACE::handle_timed_accept (handle, 00047 timeout, 00048 restart) == -1) 00049 return -1; 00050 else 00051 { 00052 in_blocking_mode = ACE_BIT_DISABLED (ACE::get_flags (handle), 00053 ACE_NONBLOCK); 00054 // Set the handle into non-blocking mode if it's not already 00055 // in it. 00056 if (in_blocking_mode 00057 && ACE::set_flags (handle, 00058 ACE_NONBLOCK) == -1) 00059 return -1; 00060 } 00061 } 00062 00063 return 0; 00064 } |
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This method factors out the common code and is called by both the QoS-enabled method and the BSD-style method. Definition at line 221 of file SOCK_Acceptor.cpp. References ACE_ASSERT, ACE_NTOHL, ACE_TRACE, ACE_OS::bind(), ACE::bind_port(), close(), ACE_Addr::get_addr(), ACE_Addr::get_size(), ACE_OS::listen(), and ACE_OS::memset(). Referenced by open().
00224 { 00225 ACE_TRACE ("ACE_SOCK_Acceptor::shared_open"); 00226 int error = 0; 00227 00228 #if defined (ACE_HAS_IPV6) 00229 ACE_ASSERT (protocol_family == PF_INET || protocol_family == PF_INET6); 00230 00231 if (protocol_family == PF_INET6) 00232 { 00233 sockaddr_in6 local_inet6_addr; 00234 ACE_OS::memset (reinterpret_cast<void *> (&local_inet6_addr), 00235 0, 00236 sizeof local_inet6_addr); 00237 00238 if (local_sap == ACE_Addr::sap_any) 00239 { 00240 local_inet6_addr.sin6_family = AF_INET6; 00241 local_inet6_addr.sin6_port = 0; 00242 local_inet6_addr.sin6_addr = in6addr_any; 00243 } 00244 else 00245 local_inet6_addr = *reinterpret_cast<sockaddr_in6 *> (local_sap.get_addr ()); 00246 00247 // We probably don't need a bind_port written here. 00248 // There are currently no supported OS's that define 00249 // ACE_LACKS_WILDCARD_BIND. 00250 if (ACE_OS::bind (this->get_handle (), 00251 reinterpret_cast<sockaddr *> (&local_inet6_addr), 00252 sizeof local_inet6_addr) == -1) 00253 error = 1; 00254 } 00255 else 00256 #endif 00257 if (protocol_family == PF_INET) 00258 { 00259 sockaddr_in local_inet_addr; 00260 ACE_OS::memset (reinterpret_cast<void *> (&local_inet_addr), 00261 0, 00262 sizeof local_inet_addr); 00263 00264 if (local_sap == ACE_Addr::sap_any) 00265 { 00266 local_inet_addr.sin_port = 0; 00267 } 00268 else 00269 local_inet_addr = *reinterpret_cast<sockaddr_in *> (local_sap.get_addr ()); 00270 if (local_inet_addr.sin_port == 0) 00271 { 00272 if (ACE::bind_port (this->get_handle (), 00273 ACE_NTOHL (ACE_UINT32 (local_inet_addr.sin_addr.s_addr))) == -1) 00274 error = 1; 00275 } 00276 else if (ACE_OS::bind (this->get_handle (), 00277 reinterpret_cast<sockaddr *> (&local_inet_addr), 00278 sizeof local_inet_addr) == -1) 00279 error = 1; 00280 } 00281 else if (ACE_OS::bind (this->get_handle (), 00282 (sockaddr *) local_sap.get_addr (), 00283 local_sap.get_size ()) == -1) 00284 error = 1; 00285 00286 if (error != 0 00287 || ACE_OS::listen (this->get_handle (), 00288 backlog) == -1) 00289 { 00290 ACE_Errno_Guard g (errno); // Preserve across close() below. 00291 error = 1; 00292 this->close (); 00293 } 00294 00295 return error ? -1 : 0; 00296 } |
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Declare the dynamic allocation hooks.
Reimplemented from ACE_SOCK. Reimplemented in ACE_LSOCK_Acceptor, and ACE_MEM_Acceptor. Definition at line 142 of file SOCK_Acceptor.h. |