Little changes to better support nonblocking I/O

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

diff --git a/server/statserv.c b/server/statserv.c
index 7a938e3..a827e24 100644 (file)
--- a/server/statserv.c
+++ b/server/statserv.c
@@ -4,7 +4,23 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: statserv.c,v $
- * Revision 1.1  1995-03-10 18:22:45  quinn
+ * Revision 1.6  1995-03-15 15:18:52  quinn
+ * Little changes to better support nonblocking I/O
+ * Added backend.h
+ *
+ * Revision 1.5  1995/03/15  08:37:45  quinn
+ * Now we're pretty much set for nonblocking I/O.
+ *
+ * Revision 1.4  1995/03/14  16:59:48  quinn
+ * Bug-fixes
+ *
+ * Revision 1.3  1995/03/14  11:30:15  quinn
+ * Works better now.
+ *
+ * Revision 1.2  1995/03/14  10:28:03  quinn
+ * More work on demo server.
+ *
+ * Revision 1.1  1995/03/10  18:22:45  quinn
  * The rudiments of an asynchronous server.
  *
  */
@@ -16,16 +32,28 @@
 
 #include <stdio.h>
 
+#include <options.h>
+#include <eventl.h>
+#include <session.h>
 #include <eventl.h>
+#include <comstack.h>
+#include <tcpip.h>
+#include <xmosi.h>
+
+#include <unistd.h>
+#include <fcntl.h>
 
 static char *me = "";
 
+#define DEFAULT_LISTENER "tcp:localhost:9999"
+
 /*
  * handle incoming connect requests.
  */
 void listener(IOCHAN h, int event)
 {
     COMSTACK line = (COMSTACK) iochan_getdata(h);
+    association *newas;
 
     if (event == EVENT_INPUT)
     {
@@ -36,7 +64,8 @@ void listener(IOCHAN h, int event)
            fprintf(stderr, "cs_listen failed.\n");
            exit(1);
        }
-       iochan_setflags(h, EVENT_OUTPUT) /* set us up for accepting */
+       iochan_setevent(h, EVENT_OUTPUT);
+       iochan_setflags(h, EVENT_OUTPUT | EVENT_EXCEPT); /* set up for acpt */
     }
     else if (event == EVENT_OUTPUT)
     {
@@ -48,13 +77,19 @@ void listener(IOCHAN h, int event)
            fprintf(stderr, "Accept failed.\n");
            exit(1);
        }
-       if (!(new_chan = iochan_create(cs_fileno(initializer, init_fun,
-           EVENT_INPUT))))
+       if (!(new_chan = iochan_create(cs_fileno(new_line), ir_session,
+           EVENT_INPUT)))
        {
            fprintf(stderr, "Failed to create iochan\n");
            exit(1);
        }
-       iochan_setflags(h, EVENT_INPUT); /* reset for listening */
+       if (!(newas = create_association(new_chan, new_line)))
+       {
+           fprintf(stderr, "Failed to create new assoc.\n");
+           exit(1);
+       }
+       iochan_setdata(new_chan, newas);
+       iochan_setflags(h, EVENT_INPUT | EVENT_EXCEPT); /* reset for listen */
     }
     else
     {
@@ -70,10 +105,11 @@ void add_listener(char *where)
 {
     COMSTACK l;
     CS_TYPE type;
-    char mode[100], addr[100]
+    char mode[100], addr[100];
     void *ap;
     IOCHAN lst;
 
+    fprintf(stderr, "Adding listener on %s\n", where);
     if (!where || sscanf(where, "%[^:]:%s", mode, addr) != 2)
     {
        fprintf(stderr, "%s: Address format: ('tcp'|'osi')':'<address>.\n",
@@ -82,28 +118,30 @@ void add_listener(char *where)
     }
     if (!strcmp(mode, "tcp"))
     {
-       if (!(ap = tcpip_strtoaddr(where)))
+       if (!(ap = tcpip_strtoaddr(addr)))
        {
            fprintf(stderr, "Address resolution failed for TCP.\n");
            exit(1);
        }
        type = tcpip_type;
     }
+#if 0
     else if (!strcmp(mode, "osi"))
     {
-       if (!(ap = mosi_strtoaddr(where)))
+       if (!(ap = mosi_strtoaddr(addr)))
        {
            fprintf(stderr, "Address resolution failed for TCP.\n");
            exit(1);
        }
        type = mosi_type;
     }
+#endif
     else
     {
        fprintf(stderr, "You must specify either 'osi:' or 'tcp:'.\n");
        exit(1);
     }
-    if (!(l = cs_create(type, 1)))
+    if (!(l = cs_create(type, 0)))
     {
        fprintf(stderr, "Failed to create listener\n");
        exit(1);
@@ -114,7 +152,8 @@ void add_listener(char *where)
        perror(where);
        exit(1);
     }
-    if (!(lst = iochan_create(cs_fileno(l), listener, EVENT_INPUT)))
+    if (!(lst = iochan_create(cs_fileno(l), listener, EVENT_INPUT |
+        EVENT_EXCEPT)))
     {
        fprintf(stderr, "Failed to create IOCHAN-type\n");
        exit(1);
@@ -127,19 +166,17 @@ int main(int argc, char **argv)
     int ret, listeners = 0;
     char *arg;
 
+    me = argv[0];
     while ((ret = options("l:", argv, argc, &arg)) != -2)
        switch (ret)
        {
            case 0: me = arg; break;
-           case 'l': add_listener(arg); l++; break;
+           case 'l': add_listener(arg); listeners++; break;
            default:
                fprintf(stderr, "Usage: %s [-l <listener-addr>]\n", me);
                exit(1);
        }
     if (!listeners)
-    {
-       fprintf(stderr, "%s: Must specify at least one listener.\n", me);
-       exit(1);
-    }
+       add_listener(DEFAULT_LISTENER);
     return event_loop();
 }