Added session timeout.

[yaz-moved-to-github.git] / server / eventl.c

diff --git a/server/eventl.c b/server/eventl.c
index 42dd1f9..7946839 100644 (file)
--- a/server/eventl.c
+++ b/server/eventl.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: eventl.c,v $
- * Revision 1.9  1995-06-05 10:53:31  quinn
+ * 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
@@ -68,6 +71,7 @@ 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;
 }
@@ -79,13 +83,13 @@ int event_loop()
        IOCHAN p, nextp;
        fd_set in, out, except;
        int res, max;
-       static struct timeval nullto = {0, 0};
+       static struct timeval nullto = {0, 0}, to = {60*5, 0};
        struct timeval *timeout;
 
        FD_ZERO(&in);
        FD_ZERO(&out);
        FD_ZERO(&except);
-       timeout = 0; /* hang on select */
+       timeout = &to; /* hang on select */
        max = 0;
        for (p = iochans; p; p = p->next)
        {
@@ -109,16 +113,29 @@ 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)
+               (*p->fun)(p, EVENT_TIMEOUT);
        }
        for (p = iochans; p; p = nextp)
        {
@@ -135,7 +152,7 @@ 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)