X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=server%2Feventl.c;h=901d7082c2b4dd4f463da9f1916d9012ec96fcbe;hb=b2d4fae21009b1909a35ef9ae6bcd27c1a5dca74;hp=42dd1f91c1b594c738c32bffecc40ce7b2bbe537;hpb=6bd2c88268605657b4174f39af96a71b87931baf;p=yaz-moved-to-github.git

diff --git a/server/eventl.c b/server/eventl.c
index 42dd1f9..901d708 100644
--- a/server/eventl.c
+++ b/server/eventl.c
@@ -4,7 +4,37 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: eventl.c,v $
- * Revision 1.9  1995-06-05 10:53:31  quinn
+ * Revision 1.19  1995-12-05 11:17:30  quinn
+ * Moved some paranthesises around. Sigh.
+ *
+ * Revision 1.18  1995/11/13  09:27:41  quinn
+ * Fiddling with the variant stuff.
+ *
+ * Revision 1.17  1995/11/07  12:37:44  quinn
+ * Added support for forcing TIMEOUT event.
+ *
+ * Revision 1.16  1995/11/01  13:54:56  quinn
+ * Minor adjustments
+ *
+ * Revision 1.15  1995/09/15  14:44:15  quinn
+ * *** empty log message ***
+ *
+ * Revision 1.14  1995/08/29  14:44:50  quinn
+ * Reset timeouts.
+ *
+ * Revision 1.13  1995/08/29  11:17:56  quinn
+ * Added code to receive close
+ *
+ * Revision 1.12  1995/08/29  10:41:18  quinn
+ * Small.
+ *
+ * Revision 1.11  1995/06/19  12:39:09  quinn
+ * Fixed bug in timeout code. Added BER dumper.
+ *
+ * Revision 1.10  1995/06/16  10:31:33  quinn
+ * Added session timeout.
+ *
+ * Revision 1.9  1995/06/05  10:53:31  quinn
  * Added a better SCAN.
  *
  * Revision 1.8  1995/05/16  08:51:01  quinn
@@ -34,6 +64,7 @@
  *
  */
 
+#include <stdio.h>
 #include <assert.h>
 #include <sys/time.h>
 #include <sys/types.h>
@@ -47,7 +78,7 @@
 
 #include <eventl.h>
 
-#include <dmalloc.h>
+#include <xmalloc.h>
 
 static IOCHAN iochans = 0;
 
@@ -60,7 +91,7 @@ IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags)
 {
     IOCHAN new;
 
-    if (!(new = malloc(sizeof(*new))))
+    if (!(new = xmalloc(sizeof(*new))))
     	return 0;
     new->destroyed = 0;
     new->fd = fd;
@@ -68,29 +99,32 @@ IOCHAN iochan_create(int fd, IOC_CALLBACK cb, int flags)
     new->fun = cb;
     new->next = iochans;
     new->force_event = 0;
+    new->last_event = new->max_idle = 0;
     iochans = new;
     return new;
 }
 
 int event_loop()
 {
-    do
+    do /* loop as long as there are active associations to process */
     {
     	IOCHAN p, nextp;
 	fd_set in, out, except;
 	int res, max;
-	static struct timeval nullto = {0, 0};
+	static struct timeval nullto = {0, 0}, to;
 	struct timeval *timeout;
 
 	FD_ZERO(&in);
 	FD_ZERO(&out);
 	FD_ZERO(&except);
-	timeout = 0; /* hang on select */
+	timeout = &to; /* hang on select */
+	to.tv_sec = 5*60;
+	to.tv_usec = 0;
 	max = 0;
     	for (p = iochans; p; p = p->next)
     	{
 	    if (p->force_event)
-	    	timeout = &nullto;
+	    	timeout = &nullto;        /* polling select */
 	    if (p->flags & EVENT_INPUT)
 	    	FD_SET(p->fd, &in);
 	    if (p->flags & EVENT_OUTPUT)
@@ -109,16 +143,32 @@ int event_loop()
     	for (p = iochans; p; p = p->next)
     	{
 	    int force_event = p->force_event;
+	    time_t now = time(0);
 
 	    p->force_event = 0;
 	    if (FD_ISSET(p->fd, &in) || force_event == EVENT_INPUT)
+	    {
+		p->last_event = now;
 	    	(*p->fun)(p, EVENT_INPUT);
+	    }
 	    if (!p->destroyed && (FD_ISSET(p->fd, &out) ||
-	   	 force_event == EVENT_OUTPUT))
+		force_event == EVENT_OUTPUT))
+	    {
+		p->last_event = now;
 	    	(*p->fun)(p, EVENT_OUTPUT);
+	    }
 	    if (!p->destroyed && (FD_ISSET(p->fd, &except) ||
 	    	force_event == EVENT_EXCEPT))
+	    {
+		p->last_event = now;
 	    	(*p->fun)(p, EVENT_EXCEPT);
+	    }
+	    if (!p->destroyed && ((p->max_idle && now - p->last_event >
+	    	p->max_idle) || force_event == EVENT_TIMEOUT))
+	    {
+	    	p->last_event = now;
+	    	(*p->fun)(p, EVENT_TIMEOUT);
+	    }
 	}
 	for (p = iochans; p; p = nextp)
 	{
@@ -135,12 +185,12 @@ int event_loop()
 		    for (pr = iochans; pr; pr = pr->next)
 		    	if (pr->next == p)
 			    break;
-		    assert(pr);
+		    assert(pr); /* grave error if it weren't there */
 		    pr->next = p->next;
 		}
 		if (nextp == p)
 		    nextp = p->next;
-		free(tmp);
+		xfree(tmp);
 	    }
 	}
     }