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Diff for /OpenXM/src/kxx/oxserver00.c between version 1.10 and 1.20

version 1.10, 2003/08/22 16:08:23 version 1.20, 2015/10/09 05:03:37
Line 1 
Line 1 
 /* $OpenXM: OpenXM/src/kxx/oxserver00.c,v 1.9 2002/11/04 11:09:00 takayama Exp $ */  /* $OpenXM: OpenXM/src/kxx/oxserver00.c,v 1.19 2015/10/08 11:49:38 takayama Exp $ */
 /* nullserver01 */  /* nullserver01 */
 #include <stdio.h>  #include <stdio.h>
 #include <sys/types.h>  #include <sys/types.h>
Line 15 
Line 15 
 int OxCritical = 0;  int OxCritical = 0;
 int OxInterruptFlag = 0;  int OxInterruptFlag = 0;
 int PacketMonitor = 0;  int PacketMonitor = 0;
   int NoExecution = 0;
   
 extern int SerialOX;  /* Serial number of the packets sent. */  extern int SerialOX;  /* Serial number of the packets sent. */
 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? */
   extern int Calling_ctrlC_hook;
   extern int RestrictedMode, RestrictedMode_saved;
   
 #if defined(__CYGWIN__)  #if defined(__CYGWIN__) || defined(__MSYS__)
 sigjmp_buf EnvOfChildServer;  sigjmp_buf EnvOfChildServer;
 #else  #else
 jmp_buf EnvOfChildServer;  jmp_buf EnvOfChildServer;
 #endif  #endif
   
 int JmpMessage = 0;  int JmpMessage = 0;
   extern int Lisplike;
   
 static char *getSuffix(char *s);  static char *getSuffix(char *s);
 main(int argc, char *argv[]) {  main(int argc, char *argv[]) {
Line 43  main(int argc, char *argv[]) {
Line 47  main(int argc, char *argv[]) {
     if (strcmp(argv[1],"-monitor")==0) {      if (strcmp(argv[1],"-monitor")==0) {
       fprintf(stderr,"Taking the packet monitor.\n");        fprintf(stderr,"Taking the packet monitor.\n");
       PacketMonitor = 1;        PacketMonitor = 1;
       }else if (strcmp(argv[1],"-lispLike")==0) {
         fprintf(stderr,"Output lispLike expression.\n");
         Lisplike = 1;
       }else if (strcmp(argv[1],"-noexec")==0) {
         fprintf(stderr,"I do not execute commands.\n");
         NoExecution = 1;
     }else{      }else{
       fprintf(stderr,"Unknown option. Possible options are -monitor\n");        fprintf(stderr,"Unknown option. Possible options are -monitor\n");
     }      }
Line 63  main(int argc, char *argv[]) {
Line 73  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 82  static char *getSuffix(char *s) {
Line 92  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__)  #if defined(__CYGWIN__) || defined(__MSYS__)
   extern sigjmp_buf EnvOfStackMachine;    extern sigjmp_buf EnvOfStackMachine;
 #else  #else
   extern jmp_buf EnvOfStackMachine;    extern jmp_buf EnvOfStackMachine;
 #endif  #endif
   int engineByteOrder;    int engineByteOrder;
   
     /* for debug,  use -monitor
            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);
     }
   
     fprintf(stderr,"Hello world.\n"); OXprintMessage = 1;
     JmpMessage = 1;
   
   aaa : ;    aaa : ;
 #if defined(__CYGWIN__)  #if defined(__CYGWIN__)
   if (sigsetjmp(EnvOfChildServer,1)) {    if (MYSIGSETJMP(EnvOfChildServer,1)) {
 #else  #else
   if (setjmp(EnvOfChildServer)) {    if (MYSETJMP(EnvOfChildServer)) {
 #endif  #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. */      if (!Calling_ctrlC_hook) {
         Calling_ctrlC_hook = 1; RestrictedMode = 0;
         KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
         RestrictedMode = RestrictedMode_saved;
       }
       Calling_ctrlC_hook = 0;
         KSexecuteString(" (Computation is interrupted.) ");          KSexecuteString(" (Computation is interrupted.) ");
     signal(SIGUSR1,controlResetHandler); goto aaa;      signal(SIGUSR1,controlResetHandler); goto aaa;
   } else {    } else {
Line 126  nullserver(int fdStream) {
Line 157  nullserver(int fdStream) {
     signal(SIGUSR1,controlResetHandler);      signal(SIGUSR1,controlResetHandler);
   }    }
 #if defined(__CYGWIN__)  #if defined(__CYGWIN__)
   if (sigsetjmp(EnvOfStackMachine,1)) {    if (MYSIGSETJMP(EnvOfStackMachine,1)) {
 #else  #else
   if (setjmp(EnvOfStackMachine)) {    if (MYSETJMP(EnvOfStackMachine)) {
 #endif  #endif
     fprintf(stderr,"childServerMain: jump here by EnvOfStackMachine or timeout.\n");      fprintf(stderr,"childServerMain: jump here by EnvOfStackMachine or timeout.\n");
     if (OxInterruptFlag == 0) {      if (OxInterruptFlag == 0) {
Line 144  nullserver(int fdStream) {
Line 175  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. */      if (!Calling_ctrlC_hook) {
         Calling_ctrlC_hook = 1; RestrictedMode = 0;
         KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
         RestrictedMode = RestrictedMode_saved;
       }
       Calling_ctrlC_hook = 0;
     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 154  nullserver(int fdStream) {
Line 190  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 178  nullserver(int fdStream) {
Line 214  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 193  nullserver(int fdStream) {
Line 229  nullserver(int fdStream) {
     /*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 209  nullserver(int fdStream) {
Line 245  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 221  nullserverCommand(ox_stream ostream) {
Line 257  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; %s\n",id,oxFIDtoStr(id));}
   switch( id ) {    switch( id ) {
   case SM_mathcap:    case SM_mathcap:
     if (message) fprintf(stderr," mathcap\n");  
     mathresult = (struct mathCap *)Sm1_mathcap();      mathresult = (struct mathCap *)Sm1_mathcap();
     oxPushMathCap(mathresult);      oxPushMathCap(mathresult);
     break;      break;
   case SM_setMathCap:    case SM_setMathCap:
     if (message) fprintf(stderr," setMathCap\n");      Sm1_setMathCap(ostreamOut);
     Sm1_setMathCap(ostream);  
     break;      break;
   case SM_pops:    case SM_pops:
     if (message) fprintf(stderr," pops \n");  
     Sm1_pops();      Sm1_pops();
     break;      break;
   case SM_getsp:    case SM_getsp:
     if (message) fprintf(stderr," getsp \n");  
     Sm1_getsp();      Sm1_getsp();
     break;      break;
   case SM_dupErrors:    case SM_dupErrors:
     if (message) fprintf(stderr," dupErrors \n");  
     Sm1_dupErrors();      Sm1_dupErrors();
     break;      break;
   case SM_pushCMOtag:    case SM_pushCMOtag:
     if (message) fprintf(stderr," pushCMOtag \n");  
     Sm1_pushCMOtag(SerialCurrent);      Sm1_pushCMOtag(SerialCurrent);
     break;      break;
   case SM_setName:    case SM_setName:
     if (message) fprintf(stderr," setName \n");  
     iresult = Sm1_setName();      iresult = Sm1_setName();
     if (iresult < 0) {      if (iresult < 0) {
       Sm1_pushError2(SerialCurrent,-1,"setName");        Sm1_pushError2(SerialCurrent,-1,"setName");
     }      }
     break;      break;
   case SM_evalName:    case SM_evalName:
     if (message) fprintf(stderr," evalName \n");  
     iresult = Sm1_evalName();      iresult = Sm1_evalName();
     if (iresult < 0) {      if (iresult < 0) {
       Sm1_pushError2(SerialCurrent,-1,"evalName");        Sm1_pushError2(SerialCurrent,-1,"evalName");
     }      }
     break;      break;
   case SM_executeStringByLocalParser:    case SM_executeStringByLocalParser:
     if (message) fprintf(stderr," executeStringByLocalParser\n");  
     OxCritical = 0;      OxCritical = 0;
     iresult = Sm1_executeStringByLocalParser();          if (NoExecution) {
             iresult = 0;
           }else{
             iresult = Sm1_executeStringByLocalParser();
           }
     OxCritical = 1; signal(SIGUSR1,controlResetHandler);      OxCritical = 1; signal(SIGUSR1,controlResetHandler);
     if (iresult < 0) {      if (iresult < 0) {
       emsg = Sm1_popErrorMessage("executeString: ");        emsg = Sm1_popErrorMessage("executeString: ");
Line 277  nullserverCommand(ox_stream ostream) {
Line 308  nullserverCommand(ox_stream ostream) {
     }      }
     break;      break;
   case SM_executeFunction:    case SM_executeFunction:
     if (message) fprintf(stderr," executeFunction\n");  
     OxCritical = 0;      OxCritical = 0;
     iresult = Sm1_executeStringByLocalParser();          if (NoExecution) {
             iresult = 0;
           }else{
             iresult = Sm1_executeStringByLocalParser();
           }
     OxCritical = 1; signal(SIGUSR1,controlResetHandler);      OxCritical = 1; signal(SIGUSR1,controlResetHandler);
     if (iresult < 0) {      if (iresult < 0) {
       emsg = Sm1_popErrorMessage("executeFunction: ");        emsg = Sm1_popErrorMessage("executeFunction: ");
Line 287  nullserverCommand(ox_stream ostream) {
Line 321  nullserverCommand(ox_stream ostream) {
       return(-1);        return(-1);
     }      }
     break;      break;
     case SM_executeFunctionWithOptionalArgument:
       OxCritical = 0;
           if (NoExecution) {
             iresult = 0;
           }else{
             iresult = Sm1_executeStringByLocalParser();
           }
       OxCritical = 1; signal(SIGUSR1,controlResetHandler);
       if (iresult < 0) {
         emsg = Sm1_popErrorMessage("executeFunctionWithOptionalArgument: ");
         Sm1_pushError2(SerialCurrent,-1,emsg);
         return(-1);
       }
       break;
   case SM_popCMO:    case SM_popCMO:
     if (message) fprintf(stderr,"popCMO.  Start to sending data.\n",n);      oxSendOXheader(ostreamOut,OX_DATA,SerialOX++);
     oxSendOXheader(ostream,OX_DATA,SerialOX++);      n=Sm1_popCMO(ostreamOut,SerialCurrent);
     n=Sm1_popCMO(ostream,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);      oxSendOXheader(ostreamOut,OX_DATA,SerialOX++);
     oxSendOXheader(ostream,OX_DATA,SerialOX++);      oxSendCmoString(ostreamOut,Sm1_popString());
     oxSendCmoString(ostream,Sm1_popString());  
     if (message) fprintf(stderr,"Done.\n");      if (message) fprintf(stderr,"Done.\n");
     break;      break;
   case SM_shutdown:    case SM_shutdown:
Line 321  nullserver_simplest(int fd) {
Line 367  nullserver_simplest(int fd) {
   int c;    int c;
   while(1) {    while(1) {
     c = readOneByte(fd);      c = readOneByte(fd);
     if (c == '@') { return; }      if (c == '@') { return 0; }
   }    }
 }  }
   
Line 336  void controlResetHandler(sig)
Line 382  void controlResetHandler(sig)
   if (OxCritical) {    if (OxCritical) {
     return;      return;
   }else{    }else{
 #if defined(__CYGWIN__)      (void) traceShowStack(); traceClearStack();
     siglongjmp(EnvOfChildServer,2); /* returns 2 for ctrl-C */  #if defined(__CYGWIN__) || defined(__MSYS__)
       MYSIGLONGJMP(EnvOfChildServer,2); /* returns 2 for ctrl-C */
 #else  #else
     longjmp(EnvOfChildServer,2); /* returns 2 for ctrl-C */      MYLONGJMP(EnvOfChildServer,2); /* returns 2 for ctrl-C */
 #endif  #endif
   }    }
 }  }
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