getting in shape for 1.2
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4055ebf9ef
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@ -235,8 +235,8 @@ class DarkIce : public virtual Referable, public virtual Reporter
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* @return if shouting was successful.
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* @return if shouting was successful.
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* @exception Exception
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* @exception Exception
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*/
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*/
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//bool
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bool
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//shout ( unsigned int ) throw ( Exception );
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shout ( unsigned int ) throw ( Exception );
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protected:
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protected:
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@ -83,7 +83,6 @@
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#ifdef HAVE_SIGNAL_H
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#include <signal.h>
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#include <netinet/tcp.h>
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#else
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#else
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#error need signal.h
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#error need signal.h
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#endif
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#endif
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@ -194,7 +193,6 @@ bool
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TcpSocket :: open ( void ) throw ( Exception )
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TcpSocket :: open ( void ) throw ( Exception )
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{
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{
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int optval;
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int optval;
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struct timeval optval2 = {5L, 0L};
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socklen_t optlen;
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socklen_t optlen;
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#ifdef HAVE_ADDRINFO
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#ifdef HAVE_ADDRINFO
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struct addrinfo hints
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struct addrinfo hints
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@ -223,13 +221,10 @@ TcpSocket :: open ( void ) throw ( Exception )
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memcpy ( addr, ptr->ai_addr, ptr->ai_addrlen);
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memcpy ( addr, ptr->ai_addr, ptr->ai_addrlen);
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freeaddrinfo(ptr);
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freeaddrinfo(ptr);
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#else
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#else
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reportEvent(9, "Gonna do gethostbyname()");
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if ( !(pHostEntry = gethostbyname( host)) ) {
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if ( !(pHostEntry = gethostbyname( host)) ) {
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sockfd = 0;
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sockfd = 0;
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reportEvent(9, "Fail in gethostbyname()");
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throw Exception( __FILE__, __LINE__, "gethostbyname error", errno);
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throw Exception( __FILE__, __LINE__, "gethostbyname error", errno);
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}
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}
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reportEvent(9, "done gethostbyname()");
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memset( &addr, 0, sizeof(addr));
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memset( &addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_family = AF_INET;
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@ -246,39 +241,8 @@ TcpSocket :: open ( void ) throw ( Exception )
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optval = 1;
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optval = 1;
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optlen = sizeof(optval);
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optlen = sizeof(optval);
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if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &optval, optlen) == -1) {
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if (setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, &optval, optlen) == -1) {
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reportEvent(5, "can't set TCP socket SO_KEEPALIVE mode", errno);
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reportEvent(5, "can't set TCP socket keep-alive mode", errno);
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}
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}
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// set keep alive to some short value, this is a streaming server
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// a long value will not work and lead to delay in reconnection
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optval=5;
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if (setsockopt(sockfd, SOL_TCP, TCP_KEEPIDLE, &optval, optlen) == -1) {
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reportEvent(5, "can't set TCP socket keep-alive TCP_KEEPIDLE value", errno);
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}
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optval=2;
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if (setsockopt(sockfd, SOL_TCP, TCP_KEEPCNT, &optval, optlen) == -1) {
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reportEvent(5, "can't set TCP socket keep-alive TCP_KEEPCNT value", errno);
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}
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optval=5;
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if (setsockopt(sockfd, SOL_TCP, TCP_KEEPINTVL, &optval, optlen) == -1) {
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reportEvent(5, "can't set TCP socket keep-alive TCP_KEEPCNT value", errno);
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}
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if (-1 == setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, (const char *) &optval2, sizeof (optval2))) {
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reportEvent(5,"could not set socket option SO_SNDTIMEO");
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}
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if (-1 == setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char *) &optval2, sizeof (optval2))) {
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reportEvent(5,"could not set socket option SO_RCVTIMEO");
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}
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#ifdef TCP_CORK
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// send larger network segments, limit buffer upto 0.2 sec before actual sending
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if (-1 == setsockopt(sockfd, IPPROTO_TCP, TCP_CORK, (const char *) &optval, sizeof (optval))) {
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reportEvent(5,"could not set socket option TCP_CORK");
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}
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#endif
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// connect
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// connect
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if ( connect( sockfd, (struct sockaddr*)&addr, sizeof(addr)) == -1 ) {
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if ( connect( sockfd, (struct sockaddr*)&addr, sizeof(addr)) == -1 ) {
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@ -365,7 +329,7 @@ TcpSocket :: read ( void * buf,
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/*------------------------------------------------------------------------------
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/*------------------------------------------------------------------------------
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* Check if write() would block
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* Check wether read() would return anything
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*----------------------------------------------------------------------------*/
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*----------------------------------------------------------------------------*/
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bool
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bool
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TcpSocket :: canWrite ( unsigned int sec,
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TcpSocket :: canWrite ( unsigned int sec,
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@ -406,7 +370,7 @@ TcpSocket :: canWrite ( unsigned int sec,
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* Write to the socket
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* Write to the socket
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*----------------------------------------------------------------------------*/
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*----------------------------------------------------------------------------*/
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unsigned int
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unsigned int
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TcpSocket :: write ( const void * buf,
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TcpSocket :: write ( const void * buf,
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unsigned int len ) throw ( Exception )
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unsigned int len ) throw ( Exception )
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{
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{
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int ret;
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int ret;
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@ -414,42 +378,27 @@ TcpSocket :: write ( const void * buf,
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if ( !isOpen() ) {
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if ( !isOpen() ) {
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return 0;
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return 0;
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}
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}
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// let us try to write stuff to this socket
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// we can not take forever to do it, so the open() call set up
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#ifdef HAVE_MSG_NOSIGNAL
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// a send timeout, of 5 seconds
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ret = send( sockfd, buf, len, MSG_NOSIGNAL);
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// we give it 2 retries and then give up, the stream has
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#else
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// been blocked for 10+ seconds and we need to take action anyway
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ret = send( sockfd, buf, len, 0);
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unsigned int bytesleft = len;
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#endif
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int retries = 2;
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errno = 0;
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if ( ret == -1 ) {
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while (bytesleft && (retries)) {
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if ( errno == EAGAIN ) {
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reportEvent(9,"before write\n", retries);
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ret = 0;
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#ifdef HAVE_MSG_NOSIGNAL
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ret = send( sockfd, buf, bytesleft, MSG_NOSIGNAL); // no SIGPIPE
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#else
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ret = send( sockfd, buf, bytesleft, 0);
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#endif
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if ((ret < 0) && ( errno == EAGAIN )) {
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// problem happened, but try again
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// try again
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retries--;
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} else {
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} else {
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// some data was written
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::close( sockfd);
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bytesleft -= ret; // we
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buf = (char*)buf + ret; // move pointer to unsent portion
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}
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reportEvent(9,"after write\n",ret);
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}
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if (bytesleft) {
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// data not send after this time means serious problem
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::close(sockfd);
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sockfd = 0;
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sockfd = 0;
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throw Exception( __FILE__, __LINE__, "send error", errno);
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throw Exception( __FILE__, __LINE__, "send error", errno);
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} else {
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}
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return len; // all bytes sent
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}
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}
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return ret;
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}
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}
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/*------------------------------------------------------------------------------
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/*------------------------------------------------------------------------------
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* Close the socket
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* Close the socket
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*----------------------------------------------------------------------------*/
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*----------------------------------------------------------------------------*/
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@ -245,7 +245,7 @@ class TcpSocket : public Source, public Sink, public virtual Reporter
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* @exception Exception
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* @exception Exception
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*/
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*/
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virtual unsigned int
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virtual unsigned int
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write ( const void * buf,
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write ( const void * buf,
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unsigned int len ) throw ( Exception );
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unsigned int len ) throw ( Exception );
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/**
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/**
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