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TCP_Socket.cpp Go to the documentation of this file. /* ****************************************************************** ** ** OpenSees - Open System for Earthquake Engineering Simulation ** ** Pacific Earthquake Engineering Research Center ** ** ** ** ** ** (C) Copyright 1999, The Regents of the University of California ** ** All Rights Reserved. ** ** ** ** Commercial use of this program without express permission of the ** ** University of California, Berkeley, is strictly prohibited. See ** ** file 'COPYRIGHT' in main directory for information on usage and ** ** redistribution, and for a DISCLAIMER OF ALL WARRANTIES. ** ** ** ** Developed by: ** ** Frank McKenna (fmckenna@ce.berkeley.edu) ** ** Gregory L. Fenves (fenves@ce.berkeley.edu) ** ** Filip C. Filippou (filippou@ce.berkeley.edu) ** ** ** ** ****************************************************************** */ // $Revision: 1.1.1.1 $ // $Date: 2000/09/15 08:23:16 $ // $Source: /usr/local/cvs/OpenSees/SRC/actor/channel/TCP_Socket.cpp,v $ // File: ~/actor/channel/TCP_Socket.C // // Written: fmk // Created: 11/96 // Revision: A // // Purpose: This file contains the implementation of the methods needed // to define the TCP_Socket class interface. // // What: "@(#) TCP_Socket.C, revA" #include "TCP_Socket.h" #include <netinet/in.h> #include <netinet/tcp.h> #include <strings.h> #include <Matrix.h> #include <Vector.h> #include <ID.h> #include <Message.h> #include <ChannelAddress.h> #include <MovableObject.h> static int GetHostAddr(char *host, char *IntAddr); static void inttoa(unsigned int no, char *string, int *cnt); // TCP_Socket(unsigned int other_Port, char *other_InetAddr): // constructor to open a socket with my inet_addr and with a port number // given by the OS. TCP_Socket::TCP_Socket() :myPort(0) { // set up my_Addr bzero((char *) &my_Addr, sizeof(my_Addr)); my_Addr.sin_family = AF_INET; my_Addr.sin_addr.s_addr = htonl(INADDR_ANY); my_Addr.sin_port = htons(0); addrLength = sizeof(my_Addr); // open a socket if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { cerr << "TCP_Socket::TCP_Socket - could not open socket\n"; } // bind local address to it if (bind(sockfd, (struct sockaddr *) &my_Addr,sizeof(my_Addr)) < 0) { cerr << "TCP_Socket::TCP_Socket - could not bind local address\n"; } // get my_address info INET_getsockname(sockfd, &my_Addr, &addrLength); myPort = ntohs(my_Addr.sin_port); } // TCP_Socket(unsigned int port): // constructor to open a socket with my inet_addr and with a port number port. TCP_Socket::TCP_Socket(unsigned int port) :myPort(0) { // set up my_Addr with address given by port and internet address of // machine on which the process that uses this routine is running. char me[20]; char my_InetAddr[MAX_INET_ADDR]; gethostname(me,MAX_INET_ADDR); GetHostAddr(me,my_InetAddr); bzero((char *) &my_Addr, sizeof(my_Addr)); my_Addr.sin_family = AF_INET; my_Addr.sin_addr.s_addr = inet_addr(my_InetAddr); my_Addr.sin_port = htons(port); addrLength = sizeof(my_Addr); // open a socket if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { cerr << "TCP_Socket::TCP_Socket - could not open socket\n"; } // bind local address to it if (bind(sockfd,(struct sockaddr *)&my_Addr,sizeof(my_Addr)) < 0) { cerr << "TCP_Socket::TCP_Socket - could not bind local address\n"; } // get my_address info INET_getsockname(sockfd, &my_Addr, &addrLength); myPort = ntohs(my_Addr.sin_port); } // TCP_Socket(unsigned int other_Port, char *other_InetAddr): // constructor to open a socket with my inet_addr and with a port number // given by the OS. Then to connect with a TCP_Socket whose address is // given by other_Port and other_InetAddr. TCP_Socket::TCP_Socket(unsigned int other_Port, char *other_InetAddr) :myPort(0) { // set up remote address bzero((char *) &other_Addr, sizeof(other_Addr)); other_Addr.sin_family = AF_INET; other_Addr.sin_addr.s_addr = inet_addr(other_InetAddr); other_Addr.sin_port = htons(other_Port); // set up my_Addr bzero((char *) &my_Addr, sizeof(my_Addr)); my_Addr.sin_family = AF_INET; my_Addr.sin_addr.s_addr = htonl(INADDR_ANY); my_Addr.sin_port = htons(0); addrLength = sizeof(my_Addr); // open a socket if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { cerr << "TCP_Socket::TCP_Socket - could not open socket\n"; } // bind local address to it if (bind(sockfd, (struct sockaddr *) &my_Addr,sizeof(my_Addr)) < 0) { cerr << "TCP_Socket::TCP_Socket - could not bind local address\n"; } myPort = ntohs(my_Addr.sin_port); } // ~TCP_Socket(): // destructor TCP_Socket::~TCP_Socket() { close(sockfd); } int TCP_Socket::setUpActor(void) { // now try to connect to socket with remote address. if (connect(sockfd, (struct sockaddr *) &other_Addr, sizeof(other_Addr))< 0) { cerr << "TCP_Socket::TCP_Socket - could not connect\n"; return -1; } // get my_address info INET_getsockname(sockfd, &my_Addr, &addrLength); // set socket so no delay /* int optlen; optlen = 1; if ((setsockopt(sockfd,IPPROTO_TCP, TCP_NODELAY, (char *) &optlen, sizeof(int))) < 0) { cerr << "TCP_Socket::TCP_Socket - could not set TCP_NODELAY\n"; } */ /* int flag=sizeof(int); if ((getsockopt(sockfd,IPPROTO_TCP, TCP_NODELAY, (char *) &optlen, &flag)) < 0) { cerr << "TCP_Socket::TCP_Socket - could not set TCP_NODELAY\n"; } cerr << "TCP_Socket::TCP_Socket - " << optlen << " flag " << flag << endl; */ return 0; } int TCP_Socket::setUpShadow(void) { // wait for other process to contact me & set up connection int newsockfd; listen(sockfd, 1); newsockfd = accept(sockfd, (struct sockaddr *) &other_Addr, &addrLength); if (newsockfd < 0) { cerr << "TCP_Socket::TCP_Socket - could not accept connection\n"; return -1; } // close old socket & reset sockfd close(sockfd); // we can close as we are not // going to wait for others to connect sockfd = newsockfd; // get my_address info INET_getsockname(sockfd, &my_Addr, &addrLength); myPort = ntohs(my_Addr.sin_port); /* // set socket so no delay int optlen; optlen = 1; if ((setsockopt(sockfd,IPPROTO_TCP, TCP_NODELAY, (char *) &optlen, sizeof(int))) < 0) { cerr << "TCP_Socket::TCP_Socket - could not set TCP_NODELAY\n"; } */ /* int flag=sizeof(int); if ((getsockopt(sockfd,IPPROTO_TCP, TCP_NODELAY, (char *) &optlen, &flag)) < 0) { cerr << "TCP_Socket::TCP_Socket - could not set TCP_NODELAY\n"; } cerr << "TCP_Socket::TCP_Socket - " << optlen << " flag " << flag << endl; */ return 0; } int TCP_Socket::setNextAddress(const ChannelAddress &theAddress) { SocketAddress *theSocketAddress = 0; if (theAddress.getType() == SOCKET_TYPE) { theSocketAddress = (SocketAddress *)(&theAddress); // check address is the only address a TCP_socket can send to if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvMsg() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } else { cerr << "TCP_Socket::setNextAddress() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } return 0; } int TCP_Socket::sendObj(int commitTag, MovableObject &theObject, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket"; cerr << " address given is not that address\n"; return -1; } } return theObject.sendSelf(commitTag, *this); } int TCP_Socket::recvObj(int commitTag, MovableObject &theObject, FEM_ObjectBroker &theBroker, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvMsg() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } return theObject.recvSelf(commitTag, *this, theBroker); } // void Recv(Message &): // Method to receive a message, also sets other_Addr to that of sender int TCP_Socket::recvMsg(int dbTag, int commitTag, Message &msg, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvMsg() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } // if o.k. get a ponter to the data in the message and // place the incoming data there int nleft,nread; char *gMsg; gMsg = msg.data; nleft = msg.length; while (nleft > 0) { nread = read(sockfd,gMsg,nleft); nleft -= nread; gMsg += nread; } return 0; } // void Send(Message &): // Method to send a message to an address given by other_Addr. int TCP_Socket::sendMsg(int dbTag, int commitTag, const Message &msg, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvMsg() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } // if o.k. get a ponter to the data in the message and // place the incoming data there int nwrite, nleft; char *gMsg; gMsg = msg.data; nleft = msg.length; while (nleft > 0) { nwrite = write(sockfd,gMsg,nleft); nleft -= nwrite; gMsg += nwrite; } return 0; } int TCP_Socket::recvMatrix(int dbTag, int commitTag, Matrix &theMatrix, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvMatrix() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } // if o.k. get a ponter to the data in the Matrix and // place the incoming data there int nleft,nread; double *data = theMatrix.data; char *gMsg = (char *)data;; nleft = theMatrix.dataSize * sizeof(double); while (nleft > 0) { nread = read(sockfd,gMsg,nleft); nleft -= nread; gMsg += nread; } return 0; } // void Send(Matrix &): // Method to send a Matrix to an address given by other_Addr. int TCP_Socket::sendMatrix(int dbTag, int commitTag, const Matrix &theMatrix, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } SocketAddress *theSocketAddress = 0; if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvMatrix() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } // if o.k. get a ponter to the data in the Matrix and // place the incoming data there int nwrite, nleft; double *data = theMatrix.data; char *gMsg = (char *)data; nleft = theMatrix.dataSize * sizeof(double); while (nleft > 0) { nwrite = write(sockfd,gMsg,nleft); nleft -= nwrite; gMsg += nwrite; } return 0; } int TCP_Socket::recvVector(int dbTag, int commitTag, Vector &theVector, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvVector() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } // if o.k. get a ponter to the data in the Vector and // place the incoming data there int nleft,nread; double *data = theVector.theData; char *gMsg = (char *)data;; nleft = theVector.sz * sizeof(double); while (nleft > 0) { nread = read(sockfd,gMsg,nleft); nleft -= nread; gMsg += nread; } return 0; } // void Send(Vector &): // Method to send a Vector to an address given by other_Addr. int TCP_Socket::sendVector(int dbTag, int commitTag, const Vector &theVector, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvVector() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } // if o.k. get a ponter to the data in the Vector and // place the incoming data there int nwrite, nleft; double *data = theVector.theData; char *gMsg = (char *)data; nleft = theVector.sz * sizeof(double); while (nleft > 0) { nwrite = write(sockfd,gMsg,nleft); nleft -= nwrite; gMsg += nwrite; } return 0; } int TCP_Socket::recvID(int dbTag, int commitTag, ID &theID, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvID() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } // if o.k. get a ponter to the data in the ID and // place the incoming data there int nleft,nread; int *data = theID.data; char *gMsg = (char *)data;; nleft = theID.sz * sizeof(int); while (nleft > 0) { nread = read(sockfd,gMsg,nleft); nleft -= nread; gMsg += nread; } return 0; } // void Send(ID &): // Method to send a ID to an address given by other_Addr. int TCP_Socket::sendID(int dbTag, int commitTag, const ID &theID, ChannelAddress *theAddress) { // first check address is the only address a TCP_socket can send to SocketAddress *theSocketAddress = 0; if (theAddress != 0) { if (theAddress->getType() == SOCKET_TYPE) theSocketAddress = (SocketAddress *)theAddress; else { cerr << "TCP_Socket::sendObj() - a TCP_Socket "; cerr << "can only communicate with a TCP_Socket"; cerr << " address given is not of type SocketAddress\n"; return -1; } if (bcmp((char *) &other_Addr, (char *) &theSocketAddress->addr, theSocketAddress->addrLength) != 0) { cerr << "TCP_Socket::recvID() - a TCP_Socket "; cerr << "can only communicate with one other TCP_Socket\n"; return -1; } } // if o.k. get a ponter to the data in the ID and // place the incoming data there int nwrite, nleft; int *data = theID.data; char *gMsg = (char *)data; nleft = theID.sz * sizeof(int); while (nleft > 0) { nwrite = write(sockfd,gMsg,nleft); nleft -= nwrite; gMsg += nwrite; } return 0; } unsigned int TCP_Socket::getPortNumber(void) const { return myPort; } char * TCP_Socket::addToProgram(void) { char *tcp = " 1 "; char my_InetAddr[MAX_INET_ADDR]; char myPortNum[8]; char me[30]; unsigned int thePort = this->getPortNumber(); /* char *me =(char *)malloc(30*sizeof(char)); char *my_InetAddr=(char *)malloc(30*sizeof(char)); char *myPortNum = (char *)malloc(30*sizeof(char)); for (int i=0; i<30; i++) { me[i] = ' '; my_InetAddr[i] = ' '; myPortNum[i] = ' '; } */ int start = 0; inttoa(thePort,myPortNum,&start); gethostname(me,MAX_INET_ADDR); GetHostAddr(me,my_InetAddr); char *newStuff =(char *)malloc(100*sizeof(char)); for (int i=0; i<100; i++) newStuff[i] = ' '; strcpy(newStuff,tcp); strcat(newStuff," "); strcat(newStuff,my_InetAddr); strcat(newStuff," "); strcat(newStuff,myPortNum); strcat(newStuff," "); return newStuff; } // G e t H o s t A d d r // GetHostAddr is a function to get the internet address of a host // Takes machine name host & Returns 0 if o.k, -1 if gethostbyname // error, -2 otherwise. The internet address is returned in IntAddr static int GetHostAddr(char *host, char *IntAddr) { register struct hostent *hostptr; if ( (hostptr = gethostbyname(host)) == NULL) return (-1); switch(hostptr->h_addrtype) { case AF_INET: strcpy(IntAddr,inet_ntoa(*(struct in_addr *)*hostptr->h_addr_list)); return (0); default: return (-2); } } /* * i n t t o a * * Function to convert int to ascii * */ static void inttoa(unsigned int no, char *string, int *cnt) { if (no /10) { inttoa(no/10, string, cnt); *cnt = *cnt+1; } string[*cnt] = no % 10 + '0'; }

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