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Diff for /OpenXM/src/kxx/oxmain.c between version 1.3 and 1.4

version 1.3, 1999/11/04 02:12:31 version 1.4, 2000/01/31 01:34:23
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Line 1 
 /*  $OpenXM: OpenXM/src/kxx/oxmain.c,v 1.2 1999/10/30 02:24:27 takayama Exp $  */  /*  $OpenXM: OpenXM/src/kxx/oxmain.c,v 1.3 1999/11/04 02:12:31 takayama Exp $  */
 /* nullserver01 */  /* nullserver01 */
 #include <stdio.h>  #include <stdio.h>
   #include <fcntl.h>
 #include <sys/types.h>  #include <sys/types.h>
 #include <sys/socket.h>  #include <sys/socket.h>
 #include <sys/time.h>  #include <sys/time.h>
Line 12 
Line 13 
 #include "ox_kan.h"  #include "ox_kan.h"
 #include "serversm.h"  #include "serversm.h"
   
 #define SERVERNAME "/usr/local/OpenXM/bin/ox_sm1"  #define SERVERNAME "ox_sm1"
   
 int OxCritical = 0;  int OxCritical = 0;
 int OxInterruptFlag = 0;  int OxInterruptFlag = 0;
Line 20  int OxInterruptFlag = 0;
Line 21  int OxInterruptFlag = 0;
 int SerialCurrentControl;  int SerialCurrentControl;
   
 int MyServerPid;  int MyServerPid;
 char ServerName[1024];  #define SERVERNAME_SIZE 4096
   char ServerName[SERVERNAME_SIZE];
 int PacketMonitor = 0;  int PacketMonitor = 0;
 int Quiet = 0;  int Quiet = 0;
   
 int LocalMode = 1;  int LocalMode = 1;
 int NotifyPortnumber = 0;  int NotifyPortnumber = 0;
   int Do_not_use_control_stream_to_tell_no_server = 1;
   static void errorToStartEngine(void);
   static int findOxServer(char *server);
   static void couldNotFind(char *s);
   
   
 main(int argc, char *argv[]) {  main(int argc, char *argv[]) {
Line 41  main(int argc, char *argv[]) {
Line 47  main(int argc, char *argv[]) {
   extern int OpenedSocket;    extern int OpenedSocket;
   char portfile[1024];    char portfile[1024];
   char *pass;    char *pass;
     int result;
   
   strcpy(sname,"localhost");    strcpy(sname,"localhost");
   strcpy(ServerName,SERVERNAME);    strcpy(ServerName,SERVERNAME);
Line 71  main(int argc, char *argv[]) {
Line 78  main(int argc, char *argv[]) {
     }else if (strcmp(argv[i],"-portfile") == 0) {      }else if (strcmp(argv[i],"-portfile") == 0) {
       i++;        i++;
       if (i<argc) {        if (i<argc) {
         sscanf(argv[i],"%s",portfile);                  sscanf(argv[i],"%s",portfile);
         portControl = 0;                  portControl = 0;
         portStream = 0;                  portStream = 0;
         NotifyPortnumber = 1;                  NotifyPortnumber = 1;
       }        }
     }else if (strcmp(argv[i],"-pass") == 0) {      }else if (strcmp(argv[i],"-pass") == 0) {
       i++;        i++;
       if (i<argc) {        if (i<argc) {
         pass = argv[i];                  pass = argv[i];
       }        }
     }else {      }else {
       fprintf(stderr,"Unknown option %s.\n",argv[i]);        fprintf(stderr,"Unknown option %s.\n",argv[i]);
Line 88  main(int argc, char *argv[]) {
Line 95  main(int argc, char *argv[]) {
     i++;      i++;
   }    }
   
     if (Do_not_use_control_stream_to_tell_no_server) {
           if (findOxServer(ServerName) < 0) {
             fprintf(stderr,"Sleeping five seconds...\n");
             sleep(5);
             exit(-1);
           }
     }
   
   if (reverse) {    if (reverse) {
     /* The order is very important. */      /* The order is very important. */
     fdControl = socketConnectWithPass(sname,portControl,pass);      fdControl = socketConnectWithPass(sname,portControl,pass);
     fdStream = socketConnectWithPass(sname,portStream,pass);      fdStream = socketConnectWithPass(sname,portStream,pass);
   
     fprintf(stderr,"Connected: control = %d, data = %d.\n",fdControl,fdStream);      fprintf(stderr,"Connected: control = %d, data = %d.\n",fdControl,fdStream);
           result = 0;
     if (portControl != -1) {      if (portControl != -1) {
       MyServerPid = fork();        MyServerPid = fork();
       if (MyServerPid > 0 ) parentServerMain(fdControl,fdStream);        if (MyServerPid > 0 ) parentServerMain(fdControl,fdStream);
       else childServerMain(fdControl,fdStream);        else result=childServerMain(fdControl,fdStream);
     }else{      }else{
       childServerMain(fdControl,fdStream);        result=childServerMain(fdControl,fdStream);
     }      }
     /* This line will be never executed. */      /* This line will be never executed in case of success */
           if (result < 0 ) {
             errorToStartEngine();
           }
   }    }
   
   /* non-reverse case. */    /* non-reverse case. */
Line 116  main(int argc, char *argv[]) {
Line 135  main(int argc, char *argv[]) {
       fdControl = socketOpen(sname,portControl);        fdControl = socketOpen(sname,portControl);
       portControl = OpenedSocket;        portControl = OpenedSocket;
       if (NotifyPortnumber) {        if (NotifyPortnumber) {
         oxWritePortFile(0,portControl,portfile);                  oxWritePortFile(0,portControl,portfile);
       }        }
       fdControl = socketAcceptLocal(fdControl);        fdControl = socketAcceptLocal(fdControl);
       fprintf(stderr,"\n control port %d : Connected.\n",portControl);        fprintf(stderr,"\n control port %d : Connected.\n",portControl);
Line 125  main(int argc, char *argv[]) {
Line 144  main(int argc, char *argv[]) {
       fdStream = socketOpen(sname,portStream);        fdStream = socketOpen(sname,portStream);
       portStream = OpenedSocket;        portStream = OpenedSocket;
       if (NotifyPortnumber) {        if (NotifyPortnumber) {
         oxWritePortFile(1,portStream,portfile);                  oxWritePortFile(1,portStream,portfile);
       }        }
       fdStream = socketAcceptLocal(fdStream);        fdStream = socketAcceptLocal(fdStream);
       fprintf(stderr,"\n stream port %d : Connected.\n",portStream);        fprintf(stderr,"\n stream port %d : Connected.\n",portStream);
Line 135  main(int argc, char *argv[]) {
Line 154  main(int argc, char *argv[]) {
       fdControl = socketOpen(sname,portControl);        fdControl = socketOpen(sname,portControl);
       portControl = OpenedSocket;        portControl = OpenedSocket;
       if (NotifyPortnumber) {        if (NotifyPortnumber) {
         oxWritePortFile(0,portControl,portfile);                  oxWritePortFile(0,portControl,portfile);
       }        }
       fdControl = socketAccept(fdControl);        fdControl = socketAccept(fdControl);
       fprintf(stderr,"\n control port %d : Connected.\n",portControl);        fprintf(stderr,"\n control port %d : Connected.\n",portControl);
Line 144  main(int argc, char *argv[]) {
Line 163  main(int argc, char *argv[]) {
       fdStream = socketOpen(sname,portStream);        fdStream = socketOpen(sname,portStream);
       portStream = OpenedSocket;        portStream = OpenedSocket;
       if (NotifyPortnumber) {        if (NotifyPortnumber) {
         oxWritePortFile(1,portStream,portfile);                  oxWritePortFile(1,portStream,portfile);
       }        }
       fdStream = socketAccept(fdStream);        fdStream = socketAccept(fdStream);
       fprintf(stderr,"\n stream port %d : Connected.\n",portStream);        fprintf(stderr,"\n stream port %d : Connected.\n",portStream);
Line 152  main(int argc, char *argv[]) {
Line 171  main(int argc, char *argv[]) {
   }    }
   
   
     result = 0;
   if (portControl != -1) {    if (portControl != -1) {
     MyServerPid = fork();      MyServerPid = fork();
     if (MyServerPid > 0 ) parentServerMain(fdControl,fdStream);      if (MyServerPid > 0 ) parentServerMain(fdControl,fdStream);
     else childServerMain(fdControl,fdStream);      else result = childServerMain(fdControl,fdStream);
   }else{    }else{
     childServerMain(fdControl,fdStream);      result = childServerMain(fdControl,fdStream);
   }    }
     if (result < 0) errorToStartEngine();
   }
   
   static void errorToStartEngine(void) {
     fprintf(stderr,"Failed to start the engine. Childing process is terminating.\n");
     /* You have to tell to the control server that there is no engine.
            And, the control server must tell the client that there is no
            engine.
            This part has not yet been implemented.
            If you implement this, set Do_not_use_control_stream_to_tell_no_server to
            zero.
            */
     sleep(2);
     exit(-1);
 }  }
   
 oxmainUsage() {  oxmainUsage() {
Line 176  oxmainUsage() {
Line 208  oxmainUsage() {
   fprintf(stderr,"          See OpenXM/src/SSkan/Doc/ox.sm1, /sm1connectr\n");    fprintf(stderr,"          See OpenXM/src/SSkan/Doc/ox.sm1, /sm1connectr\n");
   fprintf(stderr,"-insecure : \n");    fprintf(stderr,"-insecure : \n");
   fprintf(stderr,"          If you access to the server from a localhost, you do not need one time password. However, if you access outside of the localhost, a one time password is required. To turn off this restriction, -insecure option is used.\n");    fprintf(stderr,"          If you access to the server from a localhost, you do not need one time password. However, if you access outside of the localhost, a one time password is required. To turn off this restriction, -insecure option is used.\n");
     fprintf(stderr,"\n");
     fprintf(stderr,"If ox fails to find the serverprogram, it tries to look for it in /usr/local/OpenXM/bin and $OpenXM_HOME/bin.\n");
     fprintf(stderr,"\n");
   fprintf(stderr,"Example 1:\n");    fprintf(stderr,"Example 1:\n");
   fprintf(stderr,"(Start the ox server): dc1%% ox -ox ~/OpenXM/bin/ox_sm1 -host dc1.math.kobe-u.ac.jp -insecure -control 1200 -data 1300\n");    fprintf(stderr,"(Start the ox server): dc1%% ox -ox ~/OpenXM/bin/ox_sm1 -host dc1.math.kobe-u.ac.jp -insecure -control 1200 -data 1300\n");
   fprintf(stderr,"(client):  sm1\n ");    fprintf(stderr,"(client):  sm1\n ");
Line 247  childServerMain(int fdControl, int fdStream) {
Line 282  childServerMain(int fdControl, int fdStream) {
   close(fdControl);   /* close(0); dup(fdStream); */    close(fdControl);   /* close(0); dup(fdStream); */
   dup2(fdStream,3);    dup2(fdStream,3);
   dup2(fdStream,4);    dup2(fdStream,4);
 /*close(0);    /*close(0);
   #include <sys/param.h>          #include <sys/param.h>
   for (i=5; i<NOFILE; i++) close(i);          for (i=5; i<NOFILE; i++) close(i);
 */          */
     if (!Do_not_use_control_stream_to_tell_no_server) {
           if (findOxServer(ServerName) < 0) {
             return(-1);
           }
     }
   if (PacketMonitor) {    if (PacketMonitor) {
     if (execl(ServerName,ServerName,"-monitor",NULL)) {      if (execl(ServerName,ServerName,"-monitor",NULL)) {
       fprintf(stderr,"%s cannot be executed with -monitor.\n",ServerName);        fprintf(stderr,"%s cannot be executed with -monitor.\n",ServerName);
             return(-1);
     }      }
   }else {    }else {
     if (execl(ServerName,ServerName,NULL)) {      if (execl(ServerName,ServerName,NULL)) {
       fprintf(stderr,"%s cannot be executed.\n",ServerName);        fprintf(stderr,"%s cannot be executed.\n",ServerName);
             return(-1);
     }      }
   }    }
     /* never reached. */
 }  }
   
   
Line 267  childServerMain(int fdControl, int fdStream) {
Line 310  childServerMain(int fdControl, int fdStream) {
 unlockCtrlCForOx() { ; }  unlockCtrlCForOx() { ; }
 restoreLockCtrlCForOx() { ; }  restoreLockCtrlCForOx() { ; }
   
   static int findOxServer(char *server) {
     char *p;
     char *p2;
     int fd;
     char *getenv(char *s);
     if (strlen(server) == 0) return(-1);
     fd = open(server,O_RDONLY);
     if (fd >= 0) {
           fprintf(stderr,"Starting OX server : %s\n",server);
           close(fd);
           return(0);
     }
     if (server[0] == '/') {
           couldNotFind(server);
           return(-1);
     }
     fprintf(stderr,"The server %s was not found. Trying to find it under OpenXM/bin\n",server);
     p = getenv("OpenXM_HOME");
     if (p == NULL) {
       p = "/usr/local/OpenXM";
     }
     p2 = (char *) malloc(sizeof(char)*(strlen(p)+strlen("/bin/")+3+strlen(server)));
     if (p2 == NULL) { fprintf(stderr,"No more memory.\n"); exit(10); }
     strcpy(p2,p); strcat(p2,"/bin/"); strcat(p2,server);
     fd = open(p2,O_RDONLY);
     if (fd >= 0) {
           fprintf(stderr,"Starting OX server : %s\n",p2);
           if (strlen(p2) < SERVERNAME_SIZE) strcpy(server,p2);
           else {
             couldNotFind("Too long ox server name.");
             return(-1);
           }
           close(fd);
           return(0);
     }
     couldNotFind(p2);
     return(-1);
   }
   
   static void couldNotFind(char *s) {
     fprintf(stderr,"OX server %s could not be found.\n",s);
   }
   
   
   
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