X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fzoom-c.c;h=8a9b344271e41f9ab9be5379358b9438a735f3fd;hp=c23e631bbdf76799746454c47888bc4e82dc7a7f;hb=a741500ee64cc5009f82d94585ea389e1c5e6613;hpb=473824797f568578dc17d7242551cb2f7ccef46c

diff --git a/src/zoom-c.c b/src/zoom-c.c
index c23e631..8a9b344 100644
--- a/src/zoom-c.c
+++ b/src/zoom-c.c
@@ -306,7 +306,12 @@ ZOOM_API(ZOOM_connection)
 
     c->sru_version = 0;
     c->no_redirects = 0;
+    c->cookies = 0;
     c->saveAPDU_wrbuf = 0;
+
+#if HAVE_LIBMEMCACHED_MEMCACHED_H
+    c->mc_st = 0;
+#endif
     return c;
 }
 
@@ -369,6 +374,7 @@ ZOOM_API(void)
                             const char *host, int portnum)
 {
     const char *val;
+    const char *http_lead;
 
     initlog();
 
@@ -435,17 +441,25 @@ ZOOM_API(void)
     else
         c->lang = 0;
 
+    val = ZOOM_options_get(c->options, "sru");
+    if (val && *val && !strstr(host, "://"))
+        http_lead = "http://";
+    else
+        http_lead = "";
+    c->sru_mode = get_sru_mode_from_string(val);
+
     if (host)
     {
+        char hostn[128];
         xfree(c->host_port);
         if (portnum)
         {
-            char hostn[128];
             sprintf(hostn, "%.80s:%d", host, portnum);
-            c->host_port = xstrdup(hostn);
+            host = hostn;
         }
-        else
-            c->host_port = xstrdup(host);
+        c->host_port = xmalloc(strlen(host) + strlen(http_lead) + 1);
+        strcpy(c->host_port, http_lead);
+        strcat(c->host_port, host);
     }
 
     {
@@ -481,9 +495,6 @@ ZOOM_API(void)
         }
     }
 
-    val = ZOOM_options_get(c->options, "sru");
-    c->sru_mode = get_sru_mode_from_string(val);
-
     xfree(c->sru_version);
     val = ZOOM_options_get(c->options, "sru_version");
     c->sru_version = xstrdup(val ? val : "1.2");
@@ -542,6 +553,32 @@ ZOOM_API(void)
 
     c->async = ZOOM_options_get_bool(c->options, "async", 0);
 
+    yaz_cookies_destroy(c->cookies);
+    c->cookies = yaz_cookies_create();
+
+#if HAVE_LIBMEMCACHED_MEMCACHED_H
+    if (c->mc_st)
+    {
+        memcached_free(c->mc_st);
+        c->mc_st = 0;
+    }
+#endif
+    val = ZOOM_options_get(c->options, "memcached");
+    if (val && *val)
+    {
+#if HAVE_LIBMEMCACHED_MEMCACHED_H
+        c->mc_st = memcached(val, strlen(val));
+        if (!c->mc_st)
+        {
+            ZOOM_set_error(c, ZOOM_ERROR_MEMCACHED, val);
+            return;
+        }
+#else
+        ZOOM_set_error(c, ZOOM_ERROR_MEMCACHED, "not enabled");
+        return;
+#endif
+    }
+
     if (c->sru_mode == zoom_sru_error)
     {
         ZOOM_set_error(c, ZOOM_ERROR_UNSUPPORTED_PROTOCOL, val);
@@ -586,6 +623,11 @@ ZOOM_API(void)
     if (!c)
         return;
     yaz_log(c->log_api, "%p ZOOM_connection_destroy", c);
+
+#if HAVE_LIBMEMCACHED_MEMCACHED_H
+    if (c->mc_st)
+        memcached_free(c->mc_st);
+#endif
     if (c->cs)
         cs_close(c->cs);
 
@@ -619,6 +661,7 @@ ZOOM_API(void)
     xfree(c->group);
     xfree(c->password);
     xfree(c->sru_version);
+    yaz_cookies_destroy(c->cookies);
     wrbuf_destroy(c->saveAPDU_wrbuf);
     xfree(c);
 }
@@ -689,6 +732,7 @@ ZOOM_resultset ZOOM_resultset_create(void)
     }
 #endif
     resultset_use(1);
+    r->mc_key = 0;
     return r;
 }
 
@@ -709,11 +753,10 @@ ZOOM_API(ZOOM_resultset)
     ZOOM_connection_search(ZOOM_connection c, ZOOM_query q)
 {
     ZOOM_resultset r = ZOOM_resultset_create();
-    ZOOM_task task;
     const char *cp;
+    ZOOM_task task;
     int start, count;
     const char *syntax, *elementSetName, *schema;
-
     yaz_log(c->log_api, "%p ZOOM_connection_search set %p query %p", c, r, q);
     r->r_sort_spec = ZOOM_query_get_sortspec(q);
     r->query = q;
@@ -739,6 +782,31 @@ ZOOM_API(ZOOM_resultset)
     r->connection = c;
     r->next = c->resultsets;
     c->resultsets = r;
+
+#if HAVE_LIBMEMCACHED_MEMCACHED_H
+    r->mc_key = wrbuf_alloc();
+    wrbuf_puts(r->mc_key, c->host_port);
+    wrbuf_puts(r->mc_key, ";");
+    wrbuf_puts(r->mc_key, ZOOM_query_get_query_string(q));
+    if (c->mc_st)
+    {
+        size_t v_len;
+        uint32_t flags;
+        memcached_return_t rc;
+        char *v = memcached_get(c->mc_st, wrbuf_buf(r->mc_key),
+                                wrbuf_len(r->mc_key), &v_len, &flags, &rc);
+        if (v)
+        {
+            yaz_log(YLOG_LOG, "For key %s got value %.*s",
+                    wrbuf_cstr(r->mc_key), (int) v_len, v);
+        }
+        else
+        {
+            yaz_log(YLOG_LOG, "For key %s got NO value", wrbuf_cstr(r->mc_key));
+        }
+    }
+#endif
+
     if (c->host_port && c->proto == PROTO_HTTP)
     {
         if (!c->cs)
@@ -863,6 +931,7 @@ static void resultset_destroy(ZOOM_resultset r)
 #if SHPTR
         YAZ_SHPTR_DEC(r->record_wrbuf, wrbuf_destroy);
 #endif
+        wrbuf_destroy(r->mc_key);
         resultset_use(-1);
         xfree(r);
     }
@@ -1478,43 +1547,14 @@ ZOOM_API(int)
 
 #if YAZ_HAVE_XML2
 
-static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri,
-                                  Z_HTTP_Response *cookie_hres)
+static zoom_ret send_HTTP_redirect(ZOOM_connection c, const char *uri)
 {
-    struct Z_HTTP_Header *h;
-    char *combined_cookies = 0;
-    int combined_cookies_len = 0;
     Z_GDU *gdu = z_get_HTTP_Request_uri(c->odr_out, uri, 0, c->proxy ? 1 : 0);
 
     gdu->u.HTTP_Request->method = odr_strdup(c->odr_out, "GET");
     z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers, "Accept",
                       "text/xml");
-
-    for (h = cookie_hres->headers; h; h = h->next)
-    {
-        if (!strcmp(h->name, "Set-Cookie"))
-        {
-            char *cp;
-
-            if (!(cp = strchr(h->value, ';')))
-                cp = h->value + strlen(h->value);
-            if (cp - h->value >= 1) {
-                combined_cookies = xrealloc(combined_cookies, combined_cookies_len + cp - h->value + 3);
-                memcpy(combined_cookies+combined_cookies_len, h->value, cp - h->value);
-                combined_cookies[combined_cookies_len + cp - h->value] = '\0';
-                strcat(combined_cookies,"; ");
-                combined_cookies_len = strlen(combined_cookies);
-            }
-        }
-    }
-
-    if (combined_cookies_len)
-    {
-        z_HTTP_header_add(c->odr_out, &gdu->u.HTTP_Request->headers,
-                          "Cookie", combined_cookies);
-        xfree(combined_cookies);
-    }
-
+    yaz_cookies_request(c->cookies, c->odr_out, gdu->u.HTTP_Request);
     if (c->user && c->password)
     {
         z_HTTP_header_add_basic_auth(c->odr_out, &gdu->u.HTTP_Request->headers,
@@ -1564,6 +1604,7 @@ static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
     ZOOM_connection_set_mask(c, 0);
     yaz_log(c->log_details, "%p handle_http", c);
 
+    yaz_cookies_response(c->cookies, hres);
     if ((hres->code == 301 || hres->code == 302) && c->sru_mode == zoom_sru_get
         && (location = z_HTTP_header_lookup(hres->headers, "Location")))
     {
@@ -1578,9 +1619,13 @@ static void handle_http(ZOOM_connection c, Z_HTTP_Response *hres)
         {
             /* since redirect may change host we just reconnect. A smarter
                implementation might check whether it's the same server */
-            do_connect_host(c, location);
-            send_HTTP_redirect(c, location, hres);
-            /* we're OK for now. Operation is not really complete */
+
+            int host_change = 0;
+            location = yaz_check_location(c->odr_in, c->host_port,
+                                          location, &host_change);
+            if (do_connect_host(c, location) == zoom_complete)
+                return;  /* connect failed.. */
+            send_HTTP_redirect(c, location);
             return;
         }
     }
@@ -1911,6 +1956,8 @@ ZOOM_API(const char *)
         return "Extended Service. invalid version";
     case ZOOM_ERROR_ES_INVALID_SYNTAX:
         return "Extended Service. invalid syntax";
+    case ZOOM_ERROR_MEMCACHED:
+        return "Memcached";
     default:
         return diagbib1_str(error);
     }