Refactor to avoid more static variables
[pazpar2-moved-to-github.git] / src / http_command.c
index 7c0dc56..73a8b1f 100644 (file)
@@ -1,5 +1,5 @@
 /* This file is part of Pazpar2.
-   Copyright (C) 2006-2008 Index Data
+   Copyright (C) 2006-2009 Index Data
 
 Pazpar2 is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
@@ -62,12 +62,12 @@ static void session_timeout(IOCHAN i, int event)
     http_session_destroy(s);
 }
 
-struct http_session *http_session_create(void)
+struct http_session *http_session_create(struct conf_service *service)
 {
     NMEM nmem = nmem_create();
     struct http_session *r = nmem_malloc(nmem, sizeof(*r));
 
-    r->psession = new_session(nmem);
+    r->psession = new_session(nmem, service);
     r->session_id = 0;
     r->timestamp = 0;
     r->nmem = nmem;
@@ -237,7 +237,7 @@ static int process_settings(struct session *se, struct http_request *rq,
 static void cmd_exit(struct http_channel *c)
 {
     yaz_log(YLOG_WARN, "exit");
-    http_close_server();
+    http_close_server(c->server);
 }
 
 static void cmd_init(struct http_channel *c)
@@ -245,9 +245,18 @@ static void cmd_init(struct http_channel *c)
     unsigned int sesid;
     char buf[1024];
     const char *clear = http_argbyname(c->request, "clear");
-    struct http_session *s = http_session_create();
+    const char *service_name = http_argbyname(c->request, "service");
+    struct conf_service *service = locate_service(c->server,
+                                                  service_name);
+    struct http_session *s = http_session_create(service);
     struct http_response *rs = c->response;
 
+    if (!service)
+    {
+        error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "service");
+        return;
+    }
+
     yaz_log(YLOG_DEBUG, "HTTP Session init");
     if (!clear || *clear == '0')
         session_init_databases(s->psession);
@@ -550,9 +559,9 @@ static void cmd_record(struct http_channel *c)
     struct http_response *rs = c->response;
     struct http_request *rq = c->request;
     struct http_session *s = locate_session(rq, rs);
-    struct record_cluster *rec;
+    struct record_cluster *rec, *prev_r, *next_r;
     struct record *r;
-    struct conf_service *service = global_parameters.server->service;
+    struct conf_service *service = s->psession->service;
     const char *idstr = http_argbyname(rq, "id");
     const char *offsetstr = http_argbyname(rq, "offset");
     const char *binarystr = http_argbyname(rq, "binary");
@@ -565,7 +574,7 @@ static void cmd_record(struct http_channel *c)
         return;
     }
     wrbuf_rewind(c->wrbuf);
-    if (!(rec = show_single(s->psession, idstr)))
+    if (!(rec = show_single(s->psession, idstr, &prev_r, &next_r)))
     {
         if (session_set_watch(s->psession, SESSION_WATCH_RECORD,
                               cmd_record_ready, c, c) != 0)
@@ -595,23 +604,20 @@ static void cmd_record(struct http_channel *c)
         }
         else
         {
-            void *data2;
             http_channel_observer_t obs =
                 http_add_observer(c, r->client, show_raw_reset);
-            int ret = 
-                client_show_raw_begin(r->client, r->position, syntax, esn, 
-                                      obs /* data */,
-                                      show_raw_record_error,
-                                      (binary ? 
-                                       show_raw_record_ok_binary : 
-                                       show_raw_record_ok),
-                                      &data2,
-                                      (binary ? 1 : 0));
+            int ret = client_show_raw_begin(r->client, r->position,
+                                        syntax, esn, 
+                                        obs /* data */,
+                                        show_raw_record_error,
+                                        (binary ? 
+                                         show_raw_record_ok_binary : 
+                                         show_raw_record_ok),
+                                        (binary ? 1 : 0));
             if (ret == -1)
             {
                 http_remove_observer(obs);
                 error(rs, PAZPAR2_NO_SESSION, 0);
-                return;
             }
         }
     }
@@ -621,6 +627,20 @@ static void cmd_record(struct http_channel *c)
         wrbuf_puts(c->wrbuf, "<recid>");
         wrbuf_xmlputs(c->wrbuf, rec->recid);
         wrbuf_puts(c->wrbuf, "</recid>\n");
+        if (prev_r)
+        {
+            wrbuf_puts(c->wrbuf, "<prevrecid>");
+            wrbuf_xmlputs(c->wrbuf, prev_r->recid);
+            wrbuf_puts(c->wrbuf, "</prevrecid>\n");
+        }
+        if (next_r)
+        {
+            wrbuf_puts(c->wrbuf, "<nextrecid>");
+            wrbuf_xmlputs(c->wrbuf, next_r->recid);
+            wrbuf_puts(c->wrbuf, "</nextrecid>\n");
+        }
+        wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", 
+                     session_active_clients(s->psession));
         write_metadata(c->wrbuf, service, rec->metadata, 1);
         for (r = rec->records; r; r = r->next)
             write_subrecord(r, c->wrbuf, service, 1);
@@ -666,7 +686,7 @@ static void show_records(struct http_channel *c, int active)
         numn = atoi(num);
     if (!sort)
         sort = "relevance";
-    if (!(sp = reclist_parse_sortparms(c->nmem, sort)))
+    if (!(sp = reclist_parse_sortparms(c->nmem, sort, s->psession->service)))
     {
         error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "sort");
         return;
@@ -687,7 +707,7 @@ static void show_records(struct http_channel *c, int active)
         int ccount;
         struct record *p;
         struct record_cluster *rec = rl[i];
-        struct conf_service *service = global_parameters.server->service;
+        struct conf_service *service = s->psession->service;
 
         wrbuf_puts(c->wrbuf, "<hit>\n");
         write_metadata(c->wrbuf, service, rec->metadata, 0);
@@ -820,12 +840,18 @@ static void cmd_stat(struct http_channel *c)
     struct statistics stat;
     int clients;
 
+    float progress = 0;
+
     if (!s)
         return;
 
     clients = session_active_clients(s->psession);
     statistics(s->psession, &stat);
 
+    if (stat.num_clients > 0) {
+       progress = (stat.num_clients  - clients) / (float)stat.num_clients;
+    }
+
     wrbuf_rewind(c->wrbuf);
     wrbuf_puts(c->wrbuf, "<stat>");
     wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", clients);
@@ -838,6 +864,7 @@ static void cmd_stat(struct http_channel *c)
     wrbuf_printf(c->wrbuf, "<idle>%d</idle>\n", stat.num_idle);
     wrbuf_printf(c->wrbuf, "<failed>%d</failed>\n", stat.num_failed);
     wrbuf_printf(c->wrbuf, "<error>%d</error>\n", stat.num_error);
+    wrbuf_printf(c->wrbuf, "<progress>%.2f</progress>\n", progress);
     wrbuf_puts(c->wrbuf, "</stat>");
     rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
     http_send_response(c);
@@ -851,7 +878,11 @@ static void cmd_info(struct http_channel *c)
     wrbuf_rewind(c->wrbuf);
     wrbuf_puts(c->wrbuf, "<info>\n");
     wrbuf_puts(c->wrbuf, " <version>\n");
-    wrbuf_puts(c->wrbuf, "<pazpar2>");
+    wrbuf_puts(c->wrbuf, "<pazpar2");
+#ifdef PAZPAR2_VERSION_SHA1
+    wrbuf_printf(c->wrbuf, " sha1=\"%s\"", PAZPAR2_VERSION_SHA1);
+#endif
+    wrbuf_puts(c->wrbuf, ">");
     wrbuf_xmlputs(c->wrbuf, VERSION);
     wrbuf_puts(c->wrbuf, "</pazpar2>");
 
@@ -919,7 +950,9 @@ void http_command(struct http_channel *c)
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab
  */
+