--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cstdlib/LPOSIX/NETCALLS.CPP Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,342 @@
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// connectors for re-entrant networking system calls
+//
+//
+
+#include "SYSIF.H"
+#include "LPOSIX.H"
+
+#include <reent.h>
+#include <sys/socket.h>
+
+extern "C" {
+
+/**
+@param family Specifies the address family used in the communications domain.
+@param style Type of socket.
+@param protocol Protocol used with that socket.
+
+@return On Success, non-negative integer, the socket file descriptor.
+ On Failure, returns -1, eerno may be set.
+*/
+EXPORT_C int socket (int family, int style, int protocol)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _socket_r (r, family, style, protocol);
+ }
+EXPORT_C int _socket_r (struct _reent *r, int family, int style, int protocol)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.socket(family,style,protocol,r->_errno);
+ }
+
+/**
+Receives a message from a socket.
+The recv() call can be used on a connection mode socket or a bound,
+connectionless socket. If no messages are available at the socket,
+the recv() call waits for a message to arrive unless the socket is nonblocking.
+
+@param fd Specifies a socket descriptor to use for the send.
+@param buf Points to the buffer containing message to send.
+@param cnt Specifies the length of the message in bytes.
+@param flags Lets the sender control the way data is sent.
+
+@return On Success, returns the number of bytes received.
+ On Failure, returns -1, eerno may be set.
+*/
+EXPORT_C int recv (int fd, char *buf, size_t cnt, int flags)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _recvfrom_r (r, fd, buf, cnt, flags, 0, 0);
+ }
+
+/**
+@return On Succcess, returns length of message in bytes, can be 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int recvfrom (int fd, char *buf, size_t cnt, int flags, struct sockaddr* from, size_t* fromsize)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _recvfrom_r (r, fd, buf, cnt, flags, from ,fromsize);
+ }
+EXPORT_C int _recvfrom_r (struct _reent *r, int fd, char *buf, size_t nbyte, int flags, struct sockaddr* from, size_t* fromsize)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.recvfrom(fd,buf,nbyte,flags,from,(unsigned long*)fromsize,r->_errno);
+ }
+
+/**
+Initiates transmission of a message from the specified socket to its peer.
+The send() function sends a message only when the socket is connected.
+
+@param fd Specifies a socket descriptor to use for the send.
+@param buf Points to the buffer containing message to send.
+@param cnt Specifies the length of the message in bytes.
+@param flags Lets the sender control the way data is sent.
+
+@return On Success, returns the numbers of characters sent.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int send (int fd, const char *buf, size_t cnt, int flags)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _sendto_r (r, fd, buf, cnt, flags, 0, 0);
+ }
+
+/**
+@return On Success, returns the numbers of characters sent.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int sendto (int fd, const char *buf, size_t cnt, int flags, struct sockaddr* to, size_t tosize)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _sendto_r (r, fd, buf, cnt, flags, to, tosize);
+ }
+EXPORT_C int _sendto_r (struct _reent *r, int fd, const char *buf, size_t nbyte, int flags, struct sockaddr* to, size_t tosize)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.sendto(fd,buf,nbyte,flags,to,tosize,r->_errno);
+ }
+
+/**
+Shuts down all or part of a full-duplex connection on the socket associated with fd.
+
+@param fd Is the socket descriptor to shut down.
+@param how Specifies the type of shutdown.
+
+@return On Success, returns 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int shutdown (int fd, int how)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _shutdown_r (r, fd, how);
+ }
+EXPORT_C int _shutdown_r (struct _reent *r, int fd, int how)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.shutdown(fd,how,r->_errno);
+ }
+
+/**
+Marks a connection-mode socket, specified by the socket argument fd,
+as accepting connections, and limits the number of outstanding connections
+in the socket's listen queue to the value specified by the n argument.
+The socket fd is put into 'passive' mode where incoming connection
+requests are acknowledged and queued pending acceptance by the process.
+
+@param fd Is a descriptor identifying a bound, unconnected socket.
+@param n Is the maximum length that the queue of pending connections
+ may grow to. If this value is SOMAXCONN, then the underlying service provider
+ responsible for socket fd sets the backlog to a maximum "reasonable" value.
+
+@return On Success, returns 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int listen (int fd, int n)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _listen_r (r, fd, n);
+ }
+EXPORT_C int _listen_r (struct _reent *r, int fd, int n)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.listen(fd,n,r->_errno);
+ }
+
+/**
+accepts a connection on a socket. An incoming connection is acknowledged and associated with
+an immediately created socket. The original socket is returned to the listening state.
+
+@param fd Is the integer descriptor of the desired socket.
+@param addr Points to a sockaddr structure containing the socket address.
+@param size Points to an integer that states the address length in bytes.
+
+@return On Success, returns a non-negative integer, which is a descriptor of the accepted socket.
+ Upon return, addrlen contains the actual length in bytes of the address returned.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int accept (int fd, struct sockaddr *addr, size_t *size)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _accept_r (r, fd, addr, size);
+ }
+EXPORT_C int _accept_r (struct _reent *r, int fd, struct sockaddr *addr, size_t *size)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ int newfd=sysIf.accept(fd,r->_errno);
+ if (newfd>=0)
+ sysIf.sockname(newfd,addr,(unsigned long*)size,1,r->_errno); // getpeername
+ return newfd;
+ }
+
+/**
+Associate that socket with a port.
+
+@param fd Is the integer descriptor of the desired socket.
+@param addr Points to a sockaddr structure containing the socket address.
+@param size Points to an integer that states the address length in bytes.
+
+@return On Success, returns 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int bind (int fd, struct sockaddr *addr, size_t size)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _bind_r (r, fd, addr, size);
+ }
+EXPORT_C int _bind_r (struct _reent *r, int fd, struct sockaddr *addr, size_t size)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.bind(fd,addr,size,r->_errno);
+ }
+
+/**
+Used by a client program to establish communication with a remote entity
+
+@param fd Is the integer descriptor of the desired socket.
+@param addr Points to a sockaddr structure containing the socket address.
+@param size Points to an integer that states the address length in bytes.
+
+@return On Success, returns 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int connect (int fd, struct sockaddr *addr, size_t size)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _connect_r (r, fd, addr, size);
+ }
+EXPORT_C int _connect_r (struct _reent *r, int fd, struct sockaddr *addr, size_t size)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.connect(fd,addr,size,r->_errno);
+ }
+
+/**
+Returns the current name for the specified socket. The namelen parameter should be initialized
+to indicate the amount of space pointed to by name. When returned, namelen contains the actual
+size (in bytes) of the name returned.
+
+@param fd Is the integer descriptor of the desired socket.
+@param addr Points to a sockaddr structure containing the socket address.
+@param size Points to an integer that states the address length in bytes.
+
+@return On Success, returns 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int getsockname (int fd, struct sockaddr *addr, size_t* size)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _getsockname_r (r, fd, addr, size);
+ }
+EXPORT_C int _getsockname_r (struct _reent *r, int fd, struct sockaddr *addr, size_t* size)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.sockname(fd,addr,(unsigned long*)size,0,r->_errno);
+ }
+
+/**
+Returns the peer address of the specified socket.
+
+@return On Success, returns 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int getpeername (int fd, struct sockaddr *addr, size_t* size)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _getpeername_r (r, fd, addr, size);
+ }
+EXPORT_C int _getpeername_r (struct _reent *r, int fd, struct sockaddr *addr, size_t* size)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.sockname(fd,addr,(unsigned long*)size,1,r->_errno);
+ }
+
+/**
+Manipulates options associated with a socket.
+
+@return On Success, returns 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int getsockopt (int fd, int level, int opt, void* buf, size_t* len)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _getsockopt_r (r, fd, level, opt, buf, len);
+ }
+EXPORT_C int _getsockopt_r (struct _reent *r, int fd, int level, int opt, void* buf, size_t* len)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.getsockopt(fd,level,opt,buf,(unsigned long*)len,r->_errno);
+ }
+
+/**
+Manipulates options associated with a socket. Options can exist at multiple protocol levels.
+However, the options are always present at the uppermost socket level. Options affect socket
+operations, such as the routing of packets, out-of-band data transfer, and so on.
+
+@param fd Specifies a socket for which an option should be set.
+@param level Identifies whether the operation applies to the socket itself or to the underlying
+ protocol being used. The socket itself is identified by the symbolic constant SOL_SOCKET.
+ Other protocol levels require the protocol number for the appropriate protocol
+ controlling the option.
+@param opt Specifies a single option to which the request applies,
+ negative option values are not support on Symbian OS.
+@param buf Specifies a value for the option.
+@param len Specifies the length of the option value.
+
+@return On Success, returns 0.
+ On Failure, returns -1, errno may be set.
+*/
+EXPORT_C int setsockopt (int fd, int level, int opt, void* buf, size_t len)
+ {
+ struct _reent *r = _REENT2;
+ if (!r)
+ return -1; // Memory for library globals is not allocated (errno not set).
+ return _setsockopt_r (r, fd, level, opt, buf, len);
+ }
+EXPORT_C int _setsockopt_r (struct _reent *r, int fd, int level, int opt, void* buf, size_t len)
+ {
+ MSystemInterface& sysIf=Interface(r);
+ return sysIf.setsockopt(fd,level,opt,buf,len,r->_errno);
+ }
+
+
+} // extern "C"