X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Fhttp.c;h=a9a9054c6955aa10d46903439b510258e176b78e;hb=414a47e2db4d91f3733d6ac48c1a5f14c00ced12;hp=007eb0142649bf850c4ce067b835f63ff3a92642;hpb=aa8fed542911807dcf5f753288eb724cc1e1cc8a;p=pazpar2-moved-to-github.git

diff --git a/src/http.c b/src/http.c
index 007eb01..a9a9054 100644
--- a/src/http.c
+++ b/src/http.c
@@ -1,4 +1,4 @@
-/* $Id: http.c,v 1.32 2007-06-04 14:27:48 adam Exp $
+/* $Id: http.c,v 1.34 2007-06-15 19:35:17 adam Exp $
    Copyright (c) 2006-2007, Index Data.
 
 This file is part of Pazpar2.
@@ -63,6 +63,13 @@ static char myurl[256] = "";
 static struct http_buf *http_buf_freelist = 0;
 static struct http_channel *http_channel_freelist = 0;
 
+struct http_channel_observer_s {
+    void *data;
+    void (*destroy)(void *data, struct http_channel *chan);
+    struct http_channel_observer_s *next;
+    struct http_channel *chan;
+};
+
 static struct http_buf *http_buf_create()
 {
     struct http_buf *r;
@@ -488,8 +495,6 @@ static struct http_buf *http_serialize_response(struct http_channel *c,
             xmlDoc *doc = xmlParseMemory(r->payload, strlen(r->payload));
             if (doc)
             {
-                yaz_log(YLOG_LOG, "payload: %s", r->payload);
-
                 xmlFreeDoc(doc);
             }
             else
@@ -703,12 +708,9 @@ static void http_io(IOCHAN i, int event)
                 http_destroy(i);
                 return;
             }
-            if (res > 0)
-            {
-                htbuf->buf[res] = '\0';
-                htbuf->len = res;
-                http_buf_enqueue(&hc->iqueue, htbuf);
-            }
+            htbuf->buf[res] = '\0';
+            htbuf->len = res;
+            http_buf_enqueue(&hc->iqueue, htbuf);
 
             if (hc->state == Http_Busy)
                 return;
@@ -911,6 +913,9 @@ static void proxy_io(IOCHAN pi, int event)
     }
 }
 
+static void http_fire_observers(struct http_channel *c);
+static void http_destroy_observers(struct http_channel *c);
+
 // Cleanup channel
 static void http_destroy(IOCHAN i)
 {
@@ -926,6 +931,10 @@ static void http_destroy(IOCHAN i)
         http_buf_destroy_queue(s->proxy->oqueue);
         xfree(s->proxy);
     }
+    http_buf_destroy_queue(s->iqueue);
+    http_buf_destroy_queue(s->oqueue);
+    http_fire_observers(s);
+    http_destroy_observers(s);
     s->next = http_channel_freelist;
     http_channel_freelist = s;
     close(iochan_getfd(i));
@@ -960,6 +969,7 @@ static struct http_channel *http_create(const char *addr)
         exit(1);
     }
     strcpy(r->addr, addr);
+    r->observers = 0;
     return r;
 }
 
@@ -1093,6 +1103,55 @@ void http_set_proxyaddr(char *host, char *base_url)
     proxy_addr->sin_port = htons(port);
 }
 
+static void http_fire_observers(struct http_channel *c)
+{
+    http_channel_observer_t p = c->observers;
+    while (p)
+    {
+        p->destroy(p->data, c);
+        p = p->next;
+    }
+}
+
+static void http_destroy_observers(struct http_channel *c)
+{
+    while (c->observers)
+    {
+        http_channel_observer_t obs = c->observers;
+        c->observers = obs->next;
+        xfree(obs);
+    }
+}
+
+http_channel_observer_t http_add_observer(struct http_channel *c, void *data,
+                                          http_channel_destroy_t des)
+{
+    http_channel_observer_t obs = xmalloc(sizeof(*obs));
+    obs->chan = c;
+    obs->data = data;
+    obs->destroy= des;
+    obs->next = c->observers;
+    c->observers = obs;
+    return obs;
+}
+
+void http_remove_observer(http_channel_observer_t obs)
+{
+    struct http_channel *c = obs->chan;
+    http_channel_observer_t found, *p = &c->observers;
+    while (*p != obs)
+        p = &(*p)->next;
+    found = *p;
+    assert(found);
+    *p = (*p)->next;
+    xfree(found);
+}
+
+struct http_channel *http_channel_observer_chan(http_channel_observer_t obs)
+{
+    return obs->chan;
+}
+
 /*
  * Local variables:
  * c-basic-offset: 4