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Diff for /OpenXM/src/kxx/oxserver00.c between version 1.6 and 1.11

version 1.6, 2001/12/21 02:32:11 version 1.11, 2003/11/18 11:08:27
Line 1 
Line 1 
 /* $OpenXM: OpenXM/src/kxx/oxserver00.c,v 1.5 2001/05/06 07:53:01 takayama Exp $ */  /* $OpenXM: OpenXM/src/kxx/oxserver00.c,v 1.10 2003/08/22 16:08:23 ohara Exp $ */
 /* nullserver01 */  /* nullserver01 */
 #include <stdio.h>  #include <stdio.h>
 #include <sys/types.h>  #include <sys/types.h>
Line 20  extern int SerialOX;  /* Serial number of the packets 
Line 20  extern int SerialOX;  /* Serial number of the packets 
 extern int SerialCurrent;  /* Current Serial number of the recieved packet. */  extern int SerialCurrent;  /* Current Serial number of the recieved packet. */
 extern int OXprintMessage; /* print oxmessages? */  extern int OXprintMessage; /* print oxmessages? */
   
   #if defined(__CYGWIN__)
   sigjmp_buf EnvOfChildServer;
   #else
 jmp_buf EnvOfChildServer;  jmp_buf EnvOfChildServer;
   #endif
   
 int JmpMessage = 0;  int JmpMessage = 0;
   
Line 59  main(int argc, char *argv[]) {
Line 63  main(int argc, char *argv[]) {
     Sm1_start(0, NULL, "ox_sm1");      Sm1_start(0, NULL, "ox_sm1");
   }    }
   
   nullserver(3);    nullserver(3,4);
 }  }
   
 static char *getSuffix(char *s) {  static char *getSuffix(char *s) {
Line 78  static char *getSuffix(char *s) {
Line 82  static char *getSuffix(char *s) {
   }    }
   return(s);    return(s);
 }  }
 nullserver(int fdStream) {  nullserver(int fdStreamIn,int fdStreamOut) {
   int mtag;    int mtag;
   int message = 1;    int message = 1;
   ox_stream ostream;    ox_stream ostreamIn;
     ox_stream ostreamOut;
   char sreason[1024];    char sreason[1024];
   extern void controlResetHandler();    extern void controlResetHandler();
   #if defined(__CYGWIN__)
     extern sigjmp_buf EnvOfStackMachine;
   #else
   extern jmp_buf EnvOfStackMachine;    extern jmp_buf EnvOfStackMachine;
   #endif
   int engineByteOrder;    int engineByteOrder;
   
     /* for debug */
     PacketMonitor = 1;
   
   fflush(NULL);    fflush(NULL);
   engineByteOrder = oxTellMyByteOrder(fdStream);    engineByteOrder = oxTellMyByteOrder(fdStreamOut,fdStreamIn);
   /* Set the network byte order. */    /* Set the network byte order. */
   fprintf(stderr,"engineByteOrder=%x\n",engineByteOrder);    fprintf(stderr,"engineByteOrder=%x\n",engineByteOrder);
   
   if (fdStream != -1) {    if (fdStreamIn != -1) {
     ostream = fp2open(fdStream);      ostreamIn = fp2open(fdStreamIn);
     if (ostream == NULL) {      if (ostreamIn == NULL) {
       fprintf(stderr,"fp2open(fdStream) failed.\n");        fprintf(stderr,"fp2open(fdStreamIn) failed.\n");
       fdStream = -1;        fdStreamIn = -1;
     }      }
     if (PacketMonitor) fp2watch(ostream,stdout);      if (PacketMonitor) fp2watch(ostreamIn,stdout);
   }    }
     if (fdStreamOut != -1) {
       ostreamOut = fp2open(fdStreamOut);
       if (ostreamOut == NULL) {
         fprintf(stderr,"fp2open(fdStreamOut) failed.\n");
         fdStreamOut = -1;
       }
       if (PacketMonitor) fp2watch(ostreamOut,stdout);
     }
   
   aaa : ;    aaa : ;
   #if defined(__CYGWIN__)
     if (sigsetjmp(EnvOfChildServer,1)) {
   #else
   if (setjmp(EnvOfChildServer)) {    if (setjmp(EnvOfChildServer)) {
   #endif
     fprintf(stderr,"childServerMain: jump here.\n");      fprintf(stderr,"childServerMain: jump here.\n");
     if (OxInterruptFlag == 0) {      if (OxInterruptFlag == 0) {
       fprintf(stderr," ?! \n"); fflush(NULL);        fprintf(stderr," ?! \n"); fflush(NULL);
     }      }
           KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
           KSexecuteString(" (Computation is interrupted.) ");
     signal(SIGUSR1,controlResetHandler); goto aaa;      signal(SIGUSR1,controlResetHandler); goto aaa;
   } else {    } else {
     if (JmpMessage) fprintf(stderr,"Set EnvOfChildServer.\n");      if (JmpMessage) fprintf(stderr,"Set EnvOfChildServer.\n");
     signal(SIGUSR1,controlResetHandler);      signal(SIGUSR1,controlResetHandler);
   }    }
   #if defined(__CYGWIN__)
     if (sigsetjmp(EnvOfStackMachine,1)) {
   #else
   if (setjmp(EnvOfStackMachine)) {    if (setjmp(EnvOfStackMachine)) {
     fprintf(stderr,"childServerMain: jump here by EnvOfStackMachine.\n");  #endif
       fprintf(stderr,"childServerMain: jump here by EnvOfStackMachine or timeout.\n");
     if (OxInterruptFlag == 0) {      if (OxInterruptFlag == 0) {
       fprintf(stderr," ?! \n"); fflush(NULL);        fprintf(stderr," ?! \n"); fflush(NULL);
     }      }
Line 127  nullserver(int fdStream) {
Line 157  nullserver(int fdStream) {
     */      */
     Sm1_pushError2(SerialCurrent,-1,"Global jump by sm1 error");      Sm1_pushError2(SerialCurrent,-1,"Global jump by sm1 error");
   
           KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
     signal(SIGUSR1,controlResetHandler); goto aaa ;      signal(SIGUSR1,controlResetHandler); goto aaa ;
   } else {    } else {
     if (JmpMessage) fprintf(stderr,"Set EnvOfStackMachine.\n");      if (JmpMessage) fprintf(stderr,"Set EnvOfStackMachine.\n");
Line 136  nullserver(int fdStream) {
Line 167  nullserver(int fdStream) {
   }    }
   
   while (1) {    while (1) {
     message = OXprintMessage;      message = OXprintMessage;
     if (OxInterruptFlag) {      if (OxInterruptFlag) {
       OxCritical = 1;        OxCritical = 1;
       if (message) {fprintf(stderr,"Clearing the read buffer.\n");fflush(NULL); }        if (message) {fprintf(stderr,"Clearing the read buffer.\n");fflush(NULL); }
       fp2clearReadBuf(ostream); /* clear the read buffer */        fp2clearReadBuf(ostreamIn); /* clear the read buffer */
       if (message) {fprintf(stderr,"Throwing OX_SYNC_BALL\n"); fflush(NULL);}        if (message) {fprintf(stderr,"Throwing OX_SYNC_BALL\n"); fflush(NULL);}
       oxSendSyncBall(ostream);        oxSendSyncBall(ostreamOut);
       if (message) {fprintf(stderr,"Waiting for OX_SYNC_BALL\n");fflush(NULL);}        if (message) {fprintf(stderr,"Waiting for OX_SYNC_BALL\n");fflush(NULL);}
       oxWaitSyncBall(ostream);        oxWaitSyncBall(ostreamIn);
       if (message) {fprintf(stderr,"Done changing OX_SYNC_BALL\n"); fflush(NULL);}        if (message) {fprintf(stderr,"Done changing OX_SYNC_BALL\n"); fflush(NULL);}
       OxInterruptFlag = 0;        OxInterruptFlag = 0;
       OxCritical = 0;        OxCritical = 0;
       goto aaa ;        goto aaa ;
     }      }
     OxCritical = 0;      OxCritical = 0;
     if (fp2select(ostream,-1)) {      if (fp2select(ostreamIn,-1)) {
       /* If there is an data in the ostream, then read data in the buffer and        /* If there is an data in the ostream, then read data in the buffer and
          read data in the communication stream. */           read data in the communication stream. */
       OxCritical = 1;        OxCritical = 1;
Line 160  nullserver(int fdStream) {
Line 191  nullserver(int fdStream) {
       /* This part is never reached. */        /* This part is never reached. */
     }      }
     OxCritical = 1;      OxCritical = 1;
     mtag = oxGetOXheader(ostream,&SerialCurrent); /* get the message_tag */      mtag = oxGetOXheader(ostreamIn,&SerialCurrent); /* get the message_tag */
     if (message) {      if (message) {
       fprintf(stderr,"\nmtag is %d (serial=%d) : ",mtag,SerialCurrent);        fprintf(stderr,"\nmtag is %d (serial=%d) : ",mtag,SerialCurrent);
       switch(mtag) {        switch(mtag) {
Line 168  nullserver(int fdStream) {
Line 199  nullserver(int fdStream) {
       case OX_DATA:    fprintf(stderr," OX_DATA \n"); break;        case OX_DATA:    fprintf(stderr," OX_DATA \n"); break;
       case OX_SYNC_BALL: fprintf(stderr," OX_SYNC_BALL \n"); break;        case OX_SYNC_BALL: fprintf(stderr," OX_SYNC_BALL \n"); break;
       case -1: fprintf(stderr," End of file. Exiting the server child.\n");        case -1: fprintf(stderr," End of file. Exiting the server child.\n");
         exit(); break;          exit(0); break;
       default: fprintf(stderr," ?! \n"); break;        default: fprintf(stderr," ?! \n"); break;
       }        }
     }      }
     /*sleep(2);  /* for dubug OX_SYNC_BALL */      /*sleep(2);  /* for dubug OX_SYNC_BALL */
     switch(mtag) {      switch(mtag) {
     case OX_COMMAND:      case OX_COMMAND:
       nullserverCommand(ostream);        nullserverCommand(ostreamIn,ostreamOut);
       goto aaa ;  /* We always reset the jump vector. cf. memo1.txt 1998 2/13*/        goto aaa ;  /* We always reset the jump vector. cf. memo1.txt 1998 2/13*/
       break;        break;
     case OX_DATA:      case OX_DATA:
       Sm1_pushCMO(ostream);        Sm1_pushCMO(ostreamIn);
       break;        break;
     case OX_SYNC_BALL:      case OX_SYNC_BALL:
       /* if (OxInterruptFlag)  think about it later. */        /* if (OxInterruptFlag)  think about it later. */
Line 191  nullserver(int fdStream) {
Line 222  nullserver(int fdStream) {
   }    }
 }  }
   
 nullserverCommand(ox_stream ostream) {  nullserverCommand(ox_stream ostreamIn,ox_stream ostreamOut) {
   int id;    int id;
   int mtag;    int mtag;
   int n;    int n;
Line 203  nullserverCommand(ox_stream ostream) {
Line 234  nullserverCommand(ox_stream ostream) {
   char *emsg;    char *emsg;
   extern void controlResetHandler();    extern void controlResetHandler();
   
   message = OXprintMessage;    message = OXprintMessage;
   /* message_body */    /* message_body */
   id = oxGetInt32(ostream);   /* get the function_id */    id = oxGetInt32(ostreamIn);   /* get the function_id */
   if (message) {fprintf(stderr,"\nfunction_id is %d\n",id);}    if (message) {fprintf(stderr,"\nfunction_id is %d\n",id);}
   switch( id ) {    switch( id ) {
   case SM_mathcap:    case SM_mathcap:
Line 215  nullserverCommand(ox_stream ostream) {
Line 246  nullserverCommand(ox_stream ostream) {
     break;      break;
   case SM_setMathCap:    case SM_setMathCap:
     if (message) fprintf(stderr," setMathCap\n");      if (message) fprintf(stderr," setMathCap\n");
     Sm1_setMathCap(ostream);      Sm1_setMathCap(ostreamOut);
     break;      break;
   case SM_pops:    case SM_pops:
     if (message) fprintf(stderr," pops \n");      if (message) fprintf(stderr," pops \n");
Line 271  nullserverCommand(ox_stream ostream) {
Line 302  nullserverCommand(ox_stream ostream) {
     break;      break;
   case SM_popCMO:    case SM_popCMO:
     if (message) fprintf(stderr,"popCMO.  Start to sending data.\n",n);      if (message) fprintf(stderr,"popCMO.  Start to sending data.\n",n);
     oxSendOXheader(ostream,OX_DATA,SerialOX++);      oxSendOXheader(ostreamOut,OX_DATA,SerialOX++);
     n=Sm1_popCMO(ostream,SerialCurrent);      n=Sm1_popCMO(ostreamOut,SerialCurrent);
     if (message) fprintf(stderr,"Done.\n");      if (message) fprintf(stderr,"Done.\n");
     break;      break;
   case SM_popString:    case SM_popString:
     if (message) fprintf(stderr,"popString. send data from the stack.\n",n);      if (message) fprintf(stderr,"popString. send data from the stack.\n",n);
     oxSendOXheader(ostream,OX_DATA,SerialOX++);      oxSendOXheader(ostreamOut,OX_DATA,SerialOX++);
     oxSendCmoString(ostream,Sm1_popString());      oxSendCmoString(ostreamOut,Sm1_popString());
     if (message) fprintf(stderr,"Done.\n");      if (message) fprintf(stderr,"Done.\n");
     break;      break;
   case SM_shutdown:    case SM_shutdown:
Line 312  void controlResetHandler(sig)
Line 343  void controlResetHandler(sig)
      int sig;       int sig;
 {  {
   signal(sig,SIG_IGN);    signal(sig,SIG_IGN);
     cancelAlarm();
   fprintf(stderr,"From controlResetHandler. OxCritical = %d\n",OxCritical);    fprintf(stderr,"From controlResetHandler. OxCritical = %d\n",OxCritical);
   OxInterruptFlag = 1;    OxInterruptFlag = 1;
   if (OxCritical) {    if (OxCritical) {
     return;      return;
   }else{    }else{
   #if defined(__CYGWIN__)
       siglongjmp(EnvOfChildServer,2); /* returns 2 for ctrl-C */
   #else
     longjmp(EnvOfChildServer,2); /* returns 2 for ctrl-C */      longjmp(EnvOfChildServer,2); /* returns 2 for ctrl-C */
   #endif
   }    }
 }  }
   
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