===================================================================
RCS file: /home/cvs/OpenXM/src/kan96xx/plugin/sm1Socket.c,v
retrieving revision 1.14
retrieving revision 1.21
diff -u -p -r1.14 -r1.21
--- OpenXM/src/kan96xx/plugin/sm1Socket.c	2002/10/30 13:23:06	1.14
+++ OpenXM/src/kan96xx/plugin/sm1Socket.c	2015/10/10 11:29:46	1.21
@@ -1,13 +1,15 @@
-/* $OpenXM: OpenXM/src/kan96xx/plugin/sm1Socket.c,v 1.13 2002/10/24 02:12:35 takayama Exp $ */
+/* $OpenXM: OpenXM/src/kan96xx/plugin/sm1Socket.c,v 1.20 2005/07/03 11:08:54 ohara Exp $ */
 /* msg0s.c */
 #include <stdio.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/time.h>
 #include <netinet/in.h>
 #include <netdb.h>
+#include <errno.h>
+#include <stdlib.h>
 
-
 #include "datatype.h"
 #include "stackm.h"
 #include "extern.h"
@@ -30,7 +32,6 @@ struct object KsocketOpen(struct object obj) {
   int s_waiting;
   int on;
   int tt;
-  extern int errno;
   extern int Post_debug;
 
   if ((char *)getenv("OXWEB_DEBUG") != NULL) {
@@ -61,7 +62,7 @@ struct object KsocketOpen(struct object obj) {
 
   /* fprintf(stderr,"Hello from open.\n"); */
   if ((myhost = gethostbyname(serverName)) == NULL) {
-    errorMsg1s("Bad server name.");
+    perror("gethostbyname"); errorMsg1s("Bad server name.");
   }
   bzero((char *)&me,sizeof(me));
   me.sin_family = AF_INET;
@@ -70,25 +71,25 @@ struct object KsocketOpen(struct object obj) {
         &me.sin_addr,myhost->h_length);
 
   if ((s_waiting = socket(AF_INET,SOCK_STREAM,0)) < 0) {
-    errorMsg1s("Socket allocation is failed.");
+    perror("socket"); errorMsg1s("Socket allocation is failed.");
   }
 
   on=1; setsockopt(s_waiting,SOL_SOCKET,SO_REUSEADDR,&on,sizeof(on)); 
   /* important */
   if (bind(s_waiting,(struct sockaddr *) &me,sizeof(me)) == -1) {
     fprintf(stderr,"Bind error. Error no is %d. See /usr/include/sys/errno.h.\n",errno);
-    errorMsg1s("cannot bind");
+    perror("bind"); errorMsg1s("cannot bind");
   }
 
   tt = sizeof(me);
   if (getsockname(s_waiting,(struct sockaddr *)&me,&tt) < 0) {
     fprintf(stderr,"getsockname error. Error no is %d. See /usr/include/sys/errno.h.\n",errno);
-    errorMsg1s("cannot getsockname");
+    perror("getsockname"); errorMsg1s("cannot getsockname");
   }
 
   
   if (listen(s_waiting,MAX_LISTEN_QUEUE) < 0) {
-    errorMsg1s("Listen failed");
+    perror("listen"); errorMsg1s("Listen failed");
   }
   /*  
       fprintf(stderr,"Done the initialization. port =%d\n",ntohs(me.sin_port));
@@ -135,7 +136,7 @@ struct object KsocketConnect(struct object obj) {
 
 
   if ((servhost = gethostbyname(serverName)) == NULL) {
-    errorMsg1s("bad server name.\n");
+    perror("gethostbyname"); errorMsg1s("bad server name.\n");
   }
   bzero((char *)&server,sizeof(server));
   server.sin_family = AF_INET;
@@ -144,13 +145,13 @@ struct object KsocketConnect(struct object obj) {
         (char *)&server.sin_addr,servhost->h_length);
 
   if ((socketid = socket(AF_INET,SOCK_STREAM,0)) <0) {
-    errorMsg1s("socket allocation is failed.\n");
+    perror("socket"); errorMsg1s("socket allocation is failed.\n");
   }
   if (!Quiet) {
     fprintf(stderr,"Trying to connect port %d, ip=%x\n",ntohs(server.sin_port),server.sin_addr);
   }
   if (connect(socketid,(struct sockaddr *)&server,sizeof(server)) == -1) {
-    errorMsg1s("cannot connect");
+    perror("connect"); errorMsg1s("cannot connect");
   }
   /* fprintf(stderr,"connected.\n"); */
   robj = newObjectArray(2);
@@ -162,9 +163,9 @@ struct object KsocketConnect(struct object obj) {
 /* [ integer socketid ]
    [ integer newsocketid ] */
 struct object KsocketAccept(struct object obj) {
-  struct object obj1;
-  struct object obj2;
-  struct object robj;
+  struct object obj1 = OINIT;
+  struct object obj2 = OINIT;
+  struct object robj = OINIT;
   int s, news;
     
   if (obj.tag != Sarray) {
@@ -179,10 +180,14 @@ struct object KsocketAccept(struct object obj) {
   }
   s = KopInteger(obj1);
   if ((news = accept(s,NULL,NULL)) < 0) {
-    errorMsg1s("Error in accept.");
+    fprintf(stderr,"Error in accept. Retrying (KsocketAccept).\n");
+    /* Code added for strange behavior on cygwin. */
+    if ((news = accept(s,NULL,NULL)) < 0) {
+      perror("accept"); errorMsg1s("Error in accept. Retry failed.");
+    }
   }
   if (close(s) < 0) {
-    errorMsg1s("Error in closing the old socket.");
+    perror("close"); errorMsg1s("Error in closing the old socket.");
   }
   robj = newObjectArray(1);
   putoa(robj,0,KpoInteger(news));
@@ -198,9 +203,9 @@ struct object KsocketAccept(struct object obj) {
    ....
    */
 struct object KsocketAccept2(struct object obj) {
-  struct object obj1;
-  struct object obj2;
-  struct object robj;
+  struct object obj1 = OINIT;
+  struct object obj2 = OINIT;
+  struct object robj = OINIT;
   int s, news;
     
   if (obj.tag != Sarray) {
@@ -215,10 +220,14 @@ struct object KsocketAccept2(struct object obj) {
   }
   s = KopInteger(obj1);
   if ((news = accept(s,NULL,NULL)) < 0) {
-    errorMsg1s("Error in accept.");
+    fprintf(stderr,"Error in accept. Retrying (KsocketAccept2).\n");
+    /* Code added for strange behavior on cygwin. */
+    if ((news = accept(s,NULL,NULL)) < 0) {
+      perror("accept"); errorMsg1s("Error in accept. Retry failed.");
+    }
   }
   if (close(s) < 0) {
-    errorMsg1s("Error in closing the old socket.");
+    perror("close"); errorMsg1s("Error in closing the old socket.");
   }
   robj = newObjectArray(1);
   putoa(robj,0,KpoInteger(news));
@@ -228,7 +237,6 @@ struct object KsocketAccept2(struct object obj) {
 int KsocketSelect0(int fd,int t) {
   fd_set readfds;
   struct timeval timeout;
-  extern int errno;
   FD_ZERO(&readfds);
   FD_SET(fd,&readfds);
   timeout.tv_sec = 0;
@@ -237,12 +245,12 @@ int KsocketSelect0(int fd,int t) {
     if (select(fd+1,&readfds,(fd_set *)NULL,(fd_set *)NULL,&timeout)<0) {
       /* It must be fd+1 !,  Not fd. */
       fprintf(stderr,"Select error. Error no is %d. See /usr/include/sys/errno.h.\n",errno);
-      errorMsg1s("KsocketSelect0() : select failed.");
+      perror("select"); errorMsg1s("KsocketSelect0() : select failed.");
       return(0);
     }
   }else{ /* block */
     if (select(fd+1,&readfds,(fd_set *)NULL,(fd_set *)NULL,(struct timeval *)NULL)<0) {
-      errorMsg1s("KsocketSelect0() : select failed.");
+      perror("select"); errorMsg1s("KsocketSelect0() : select failed.");
       fprintf(stderr,"Select error. Error no is %d. See /usr/include/sys/errno.h.\n",errno);
       return(0);
     }
@@ -255,9 +263,9 @@ int KsocketSelect0(int fd,int t) {
    integer true or false
 */
 struct object KsocketSelect(struct object obj) {
-  struct object robj;
-  struct object ob1;
-  struct object ob2;
+  struct object robj = OINIT;
+  struct object ob1 = OINIT;
+  struct object ob2 = OINIT;
   if (obj.tag != Sarray) {
     errorMsg1s("KsocketSelect([ integer socketid optional integer timeout default 0]");
   }
@@ -287,14 +295,13 @@ struct object KsocketSelectMulti(struct object obj) 
    [ result1, result2, ....]
 */
 {
-  struct object robj;
-  struct object ob1;
-  struct object ob2;
-  struct object ob3;
+  struct object robj = OINIT;
+  struct object ob1 = OINIT;
+  struct object ob2 = OINIT;
+  struct object ob3 = OINIT;
   int size,i,fd,p,t;
   fd_set readfds;
   struct timeval timeout;
-  extern errno;
   if (obj.tag != Sarray) {
     errorMsg1s("KsocketSelectMulti([[sid1, sid2,...] optional integer timeout default 0]");
   }
@@ -339,12 +346,12 @@ struct object KsocketSelectMulti(struct object obj) 
     if (select(fd+1,&readfds,(fd_set *)NULL,(fd_set *)NULL,&timeout)<0) {
       /* It must be fd+1 !,  Not fd. */
       fprintf(stderr,"Select error. Error no is %d. See /usr/include/sys/errno.h.\n",errno);
-      errorMsg1s("KsocketSelectMulti() : select failed.");
+      perror("select"); errorMsg1s("KsocketSelectMulti() : select failed.");
     }
   }else{ /* block */
     if (select(fd+1,&readfds,(fd_set *)NULL,(fd_set *)NULL,(struct timeval *)NULL)<0) {
       fprintf(stderr,"Select error. Error no is %d. See /usr/include/sys/errno.h.\n",errno);
-      errorMsg1s("KsocketSelectMulti() : (block) select failed.");
+      perror("select"); errorMsg1s("KsocketSelectMulti() : (block) select failed.");
     }
   }
   robj = newObjectArray(size);
@@ -367,7 +374,7 @@ static char Data00[1024];
    string data 
 */
 struct object KsocketRead(struct object obj) {
-  struct object ob1;
+  struct object ob1 = OINIT;
   struct object robj = NullObject;
   static int datasize = 1024;
   static char *data = Data00;
@@ -395,6 +402,7 @@ struct object KsocketRead(struct object obj) {
     if (datasize - totalsize > 0) {
       n = read(socketid,data+totalsize,datasize-totalsize);
       if (n < 0) {
+		perror("read");
         errorMsg1s("Read error.");
       }
       if (n < datasize-totalsize) {
@@ -405,8 +413,8 @@ struct object KsocketRead(struct object obj) {
         errorMsg1s("Select returns 1, but there is no data to read.");
       }
     }else { /* increase the datasize */
-      tmp = (char *)GC_malloc(sizeof(char)*2*datasize);
-      /*I should use GC_malloc_atomic and free after finishing this function?*/
+      tmp = (char *)sGC_malloc(sizeof(char)*2*datasize);
+      /*I should use sGC_malloc_atomic and free after finishing this function?*/
       if (tmp == (char *)NULL) errorMsg1s("Out of Memory.");
       bcopy(data,tmp,totalsize);
       data = tmp;
@@ -414,7 +422,7 @@ struct object KsocketRead(struct object obj) {
     }
   }
 
-  r = (char *)GC_malloc(sizeof(char)*(totalsize+1));
+  r = (char *)sGC_malloc(sizeof(char)*(totalsize+1));
   if (r == (char *)NULL) errorMsg1s("Out of Memory.");
   bcopy(data,r,totalsize);
   r[totalsize] = 0;
@@ -428,10 +436,12 @@ struct object KsocketRead(struct object obj) {
 /* [ integer socketid, string data ]
    integer  */
 struct object KsocketWrite(struct object obj) {
-  struct object ob1;
-  struct object ob2;
+  struct object ob1 = OINIT;
+  struct object ob2 = OINIT;
   int socketid;
   int r;
+  int k,k0;
+  char *s;
   if (obj.tag != Sarray) {
     errorMsg1s("KsocketWrite([integer socketid, string data])");
   }
@@ -447,13 +457,23 @@ struct object KsocketWrite(struct object obj) {
   if (ob2.tag != Sdollar) {
     errorMsg1s("KsocketWrite([integer socketid, string data]) : the second argument must be a string.");
   }
-  r = write(socketid,KopString(ob2), strlen(KopString(ob2)));
-  return(KpoInteger(r));
+  s = KopString(ob2);
+  k0 = k = strlen(s);
+  while (1) {
+    r = write(socketid,s,k);
+    if (r < 0) {
+      perror("write"); errorMsg1s("KsocketWrite: write failed.");
+    }
+    if (r >= k) break;
+    k -= r;
+    s = &(s[r]);
+  }
+  return(KpoInteger(k0));
 
 }
 struct object KsocketClose(struct object obj) {
   int socketid;
-  struct object ob1;
+  struct object ob1 = OINIT;
   if (obj.tag != Sarray) {
     errorMsg1s("KsocketClose([ integer socketid ])");
   }
@@ -480,7 +500,7 @@ struct object KsocketReadByte(struct object obj);
 struct object KsocketWriteByte(struct object obj);
 
 struct object KsocketReadByte(struct object obj) {
-  struct object ob1;
+  struct object ob1 = OINIT;
   struct object robj = NullObject;
   char data[2];
   char *tmp;
@@ -504,6 +524,7 @@ struct object KsocketReadByte(struct object obj) {
   
   n = read(socketid,data,1);
   if (n < 0) {
+	perror("read");
     errorMsg1s("Read error.");
     robj = KpoInteger(-1);
     return(robj);
@@ -520,8 +541,8 @@ struct object KsocketReadByte(struct object obj) {
 /* [ integer socketid, int ]
    integer  */
 struct object KsocketWriteByte(struct object obj) {
-  struct object ob1;
-  struct object ob2;
+  struct object ob1 = OINIT;
+  struct object ob2 = OINIT;
   int socketid;
   int r,i,n,kk,r0;
 #define DATA_SIZE 1024
@@ -544,28 +565,33 @@ struct object KsocketWriteByte(struct object obj) {
   if (ob2.tag == Sinteger) {
     data[0] = KopInteger(ob2);
     r = write(socketid,data, 1);
+    if (r < 0) {
+	  perror("write"); errorMsg1s("KsocketWriteByte: write error");
+    }
   }else{
     n = getoaSize(ob2); kk = 0; r = 0;
     for (i=0; i<n; i++) {
       if (getoa(ob2,i).tag != Sinteger)
-	    errorMsg1s("KsocketWriteByte([integer socketid, int | array of int]) : elements of the second argument must be integers.");
+        errorMsg1s("KsocketWriteByte([integer socketid, int | array of int]) : elements of the second argument must be integers.");
       data[kk] = KopInteger(getoa(ob2,i));
       kk++;
       if (kk >= DATA_SIZE) {
-	r0 = write(socketid,data,kk);
-	if (r0 != kk) {
-	  fprintf(stderr,"Warning: Could not write to the socket.\n");
-	  return(KpoInteger(r+r0));
-	}
+        r0 = write(socketid,data,kk);
+        if (r0 < 0) { perror("write"); errorMsg1s("write failed."); }
+        if (r0 != kk) {
+          fprintf(stderr,"Warning: Could not write to the socket.\n");
+          return(KpoInteger(r+r0));  /* bug: we should retry. */
+        }
         r += r0;
-	kk = 0;
+        kk = 0;
       }
     }
     if (kk > 0) {
       r0 = write(socketid,data,kk);
+      if (r0 < 0) { perror("write"); errorMsg1s("write failed."); }
       if (r0 != kk) {
-	fprintf(stderr,"Warning: Could not write to the socket.\n");
-	return(KpoInteger(r+r0));
+        fprintf(stderr,"Warning: Could not write to the socket.\n");
+        return(KpoInteger(r+r0));
       }
       r += r0;
     }
@@ -575,9 +601,9 @@ struct object KsocketWriteByte(struct object obj) {
 
 struct object KsocketReadHTTP(struct object socketObj) {
   /* Read until two empty line appears. */
-  struct object ob;
-  struct object ob1;
-  struct object nob;
+  struct object ob = OINIT;
+  struct object ob1 = OINIT;
+  struct object nob = OINIT;
   char *s;
   char *sss;
   char *tmp;
@@ -676,7 +702,7 @@ struct object KsocketReadHTTP(struct object socketObj)
 	  }
 	}
 	if (datasize-1 <= strlen(sss)+strlen(s)) {
-      tmp = (char *)GC_malloc(sizeof(char)*2*(datasize+strlen(s))+1);
+      tmp = (char *)sGC_malloc(sizeof(char)*2*(datasize+strlen(s))+1);
       if (tmp == (char *)NULL) errorMsg1s("Out of Memory.");
 	  strcpy(tmp,sss);
 	  strcat(tmp,s);
@@ -780,7 +806,7 @@ struct object KsocketGetHostName(void) {
   if (gethostname(name,1023) != 0) {
     return rob;	
   }
-  s = (char *)GC_malloc(sizeof(char)*(strlen(name)+2));
+  s = (char *)sGC_malloc(sizeof(char)*(strlen(name)+2));
   if (s == (char *)NULL) errorMsg1s("Out of Memory.");
   strcpy(s,name);
   return(KpoString(s));