Happy new year
[pazpar2-moved-to-github.git] / src / http_command.c
index b753ff0..dcb21a7 100644 (file)
@@ -1,5 +1,5 @@
 /* This file is part of Pazpar2.
-   Copyright (C) 2006-2013 Index Data
+   Copyright (C) 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
@@ -48,19 +48,28 @@ void print_meminfo(WRBUF wrbuf)
 {
     struct mallinfo minfo;
     minfo = mallinfo();
-    wrbuf_printf(wrbuf, "  <memory>\n"
-                        "   <arena>%d</arena>\n"
-                        "   <uordblks>%d</uordblks>\n"
-                        "   <fordblks>%d</fordblks>\n"
-                        "   <ordblks>%d</ordblks>\n"
-                        "   <keepcost>%d</keepcost>\n"
-                        "   <hblks>%d</hblks>\n"
-                        "   <hblkhd>%d</hblkhd>\n"
-                        "   <virt>%d</virt>\n"
-                        "   <virtuse>%d</virtuse>\n"
-                        "  </memory>\n",
-                 minfo.arena, minfo.uordblks, minfo.fordblks,minfo.ordblks, minfo.keepcost, minfo.hblks, minfo.hblkhd, minfo.arena + minfo.hblkhd, minfo.uordblks + minfo.hblkhd);
-
+    wrbuf_printf(wrbuf, " <memory>\n"
+                 "  <arena>%d</arena><!--  Non-mmapped space allocated (bytes) -->\n"
+                 "  <ordblks>%d</ordblks><!--  Number of free chunks -->\n"
+                 "  <smblks>%d</smblks><!--  Number of free fastbin blocks -->\n"
+                 "  <hblks>%d</hblks><!--  Number of mmapped regions -->\n"
+                 "  <hblkhd>%d</hblkhd><!--  Space allocated in mmapped regions (bytes) -->\n"
+                 "  <usmblks>%d</usmblks><!--  Maximum total allocated space (bytes) -->\n"
+                 "  <fsmblks>%d</fsmblks><!--  Space in freed fastbin blocks (bytes) -->\n"
+                 "  <uordblks>%d</uordblks><!--  Total allocated space (bytes) -->\n"
+                 "  <fordblks>%d</fordblks><!--  Total free space (bytes) -->\n"
+                 "  <keepcost>%d</keepcost><!-- Top-most, releasable space (bytes) -->\n"
+                 " </memory>\n",
+                 minfo.arena,
+                 minfo.ordblks,
+                 minfo.smblks,
+                 minfo.hblks,
+                 minfo.hblkhd,
+                 minfo.usmblks,
+                 minfo.fsmblks,
+                 minfo.uordblks,
+                 minfo.fordblks,
+                 minfo.keepcost);
 }
 #else
 #define print_meminfo(x)
@@ -126,7 +135,7 @@ http_sessions_t http_sessions_create(void)
     hs->session_list = 0;
     hs->mutex = 0;
     pazpar2_mutex_create(&hs->mutex, "http_sessions");
-    hs->log_level = yaz_log_module_level("HTTP");
+    hs->log_level = yaz_log_module_level("http");
     return hs;
 }
 
@@ -165,7 +174,7 @@ struct http_session *http_session_create(struct conf_service *service,
     char tmp_str[50];
 
     sprintf(tmp_str, "session#%u", sesid);
-    r->psession = new_session(nmem, service, sesid);
+    r->psession = session_create(nmem, service, sesid);
     r->session_id = sesid;
     r->timestamp = 0;
     r->nmem = nmem;
@@ -186,7 +195,7 @@ struct http_session *http_session_create(struct conf_service *service,
                 r->timeout_iochan, service->session_timeout);
     iochan_settimeout(r->timeout_iochan, service->session_timeout);
 
-    iochan_add(service->server->iochan_man, r->timeout_iochan);
+    iochan_add(service->server->iochan_man, r->timeout_iochan, -1);
     http_session_use(1);
     return r;
 }
@@ -263,9 +272,9 @@ static const char *get_msg(enum pazpar2_error_code code)
     return "No error";
 }
 
-static void error(struct http_response *rs,
-                  enum pazpar2_error_code code,
-                  const char *addinfo)
+static void error2(struct http_response *rs,
+                   enum pazpar2_error_code code,
+                   const char *addinfo, const char *addinfo2)
 {
     struct http_channel *c = rs->channel;
     WRBUF text = wrbuf_alloc();
@@ -278,7 +287,14 @@ static void error(struct http_response *rs,
     wrbuf_printf(text, HTTP_COMMAND_RESPONSE_PREFIX
                  "<error code=\"%d\" msg=\"%s\">", (int) code, msg);
     if (addinfo)
+    {
         wrbuf_xmlputs(text, addinfo);
+        if (addinfo2)
+        {
+            wrbuf_xmlputs(text, ": ");
+            wrbuf_xmlputs(text, addinfo2);
+        }
+    }
     wrbuf_puts(text, "</error>");
 
     yaz_log(YLOG_WARN, "HTTP %s %s%s%s", http_status,
@@ -288,6 +304,13 @@ static void error(struct http_response *rs,
     http_send_response(c);
 }
 
+static void error(struct http_response *rs,
+                  enum pazpar2_error_code code,
+                  const char *addinfo)
+{
+    error2(rs, code, addinfo, 0);
+}
+
 static void response_open_command(struct http_channel *c, const char *command)
 {
     wrbuf_rewind(c->wrbuf);
@@ -387,6 +410,7 @@ static int process_settings(struct session *se, struct http_request *rq,
                             struct http_response *rs)
 {
     struct http_argument *a;
+    NMEM nmem = nmem_create();
 
     for (a = rq->arguments; a; a = a->next)
         if (strchr(a->name, '['))
@@ -397,17 +421,18 @@ static int process_settings(struct session *se, struct http_request *rq,
             char *setting;
 
             // Nmem_strsplit *rules*!!!
-            nmem_strsplit(se->session_nmem, "[]", a->name, &res, &num);
+            nmem_strsplit(nmem, "[]", a->name, &res, &num);
             if (num != 2)
             {
                 error(rs, PAZPAR2_MALFORMED_SETTING, a->name);
+                nmem_destroy(nmem);
                 return -1;
             }
             setting = res[0];
             dbname = res[1];
-            session_apply_setting(se, dbname, setting,
-                    nmem_strdup(se->session_nmem, a->value));
+            session_apply_setting(se, dbname, setting, a->value);
         }
+    nmem_destroy(nmem);
     return 0;
 }
 
@@ -493,9 +518,7 @@ static void apply_local_setting(void *client_data,
 {
     struct session *se =  (struct session *) client_data;
 
-    session_apply_setting(se, nmem_strdup(se->session_nmem, set->target),
-                          nmem_strdup(se->session_nmem, set->name),
-                          nmem_strdup(se->session_nmem, set->value));
+    session_apply_setting(se, set->target, set->name, set->value);
 }
 
 static void cmd_settings(struct http_channel *c)
@@ -658,24 +681,12 @@ static void session_status(struct http_channel *c, struct http_session *s)
 static void cmd_service(struct http_channel *c)
 {
     struct http_session *s = locate_session(c);
-    xmlNode *xml_node;
     if (!s)
         return;
 
     response_open_command(c, 0);
-    xml_node = s->psession->service->xml_node;
-    if (xml_node)
-    {
-        xmlNode *tmp = xmlCopyNode(xml_node, 1);
-        xmlBufferPtr buf = xmlBufferCreate();
-
-        xmlNodeDump(buf, tmp->doc, tmp, 0, 0);
-
-        wrbuf_write(c->wrbuf, (const char *) buf->content, buf->use);
-        xmlBufferFree(buf);
-        xmlFreeNode(tmp);
-    }
-
+    if (s->psession->service->xml_node)
+        wrbuf_puts(c->wrbuf, s->psession->service->xml_node);
     response_close(c, 0);
     release_session(c, s);
 }
@@ -692,47 +703,6 @@ static void cmd_session_status(struct http_channel *c)
     release_session(c, s);
 }
 
-#ifdef HAVE_RESULTSETS_COUNT
-int resultsets_count(void);
-#else
-#define resultsets_count()      0
-#endif
-
-static void cmd_server_status(struct http_channel *c)
-{
-    int sessions   = sessions_count();
-    int clients    = clients_count();
-    int resultsets = resultsets_count();
-
-    response_open_ok(c, "server-status");
-    wrbuf_printf(c->wrbuf, "\n  <sessions>%u</sessions>\n", sessions);
-    wrbuf_printf(c->wrbuf, "  <clients>%u</clients>\n",   clients);
-    /* Only works if yaz has been compiled with enabling of this */
-    wrbuf_printf(c->wrbuf, "  <resultsets>%u</resultsets>\n",resultsets);
-    print_meminfo(c->wrbuf);
-
-/* TODO add all sessions status                         */
-/*    http_sessions_t http_sessions = c->http_sessions; */
-/*    struct http_session *p;                           */
-/*
-    yaz_mutex_enter(http_sessions->mutex);
-    for (p = http_sessions->session_list; p; p = p->next)
-    {
-        p->activity_counter++;
-        wrbuf_puts(c->wrbuf, "<session-status>\n");
-        wrbuf_printf(c->wrbuf, "<id>%s</id>\n", p->session_id);
-        yaz_mutex_leave(http_sessions->mutex);
-        session_status(c, p);
-        wrbuf_puts(c->wrbuf, "</session-status>\n");
-        yaz_mutex_enter(http_sessions->mutex);
-        p->activity_counter--;
-    }
-    yaz_mutex_leave(http_sessions->mutex);
-*/
-    response_close(c, "server-status");
-    xmalloc_trav(0);
-}
-
 static void bytarget_response(struct http_channel *c, struct http_session *s,
                               const char *cmd_status)
 {
@@ -786,9 +756,9 @@ static void bytarget_response(struct http_channel *c, struct http_session *s,
 
         wrbuf_printf(c->wrbuf, "<records>%d</records>\n",
                      ht[i].records - ht[i].filtered);
+        wrbuf_printf(c->wrbuf, "<filtered>%d</filtered>\n", ht[i].filtered);
         if (version >= 2)
         {
-            wrbuf_printf(c->wrbuf, "<filtered>%d</filtered>\n", ht[i].filtered);
             wrbuf_printf(c->wrbuf, "<approximation>" ODR_INT_PRINTF
                          "</approximation>\n", ht[i].approximation);
         }
@@ -807,6 +777,15 @@ static void bytarget_response(struct http_channel *c, struct http_session *s,
             wrbuf_puts(c->wrbuf, ht[i].suggestions_xml);
             wrbuf_puts(c->wrbuf, "</suggestions>");
         }
+        if (ht[i].query_data)
+        {
+            wrbuf_puts(c->wrbuf, "<query_type>");
+            wrbuf_xmlputs(c->wrbuf, ht[i].query_type);
+            wrbuf_puts(c->wrbuf, "</query_type>\n");
+            wrbuf_puts(c->wrbuf, "<query_data>");
+            wrbuf_xmlputs(c->wrbuf, ht[i].query_data);
+            wrbuf_puts(c->wrbuf, "</query_data>\n");
+        }
         wrbuf_puts(c->wrbuf, "</target>");
     }
     response_close(c, "bytarget");
@@ -884,7 +863,8 @@ static void cmd_bytarget(struct http_channel *c)
 }
 
 static void write_metadata(WRBUF w, struct conf_service *service,
-                           struct record_metadata **ml, int full, int indent)
+                           struct record_metadata **ml, unsigned flags,
+                           int indent)
 {
     int imeta;
 
@@ -892,7 +872,7 @@ static void write_metadata(WRBUF w, struct conf_service *service,
     {
         struct conf_metadata *cmd = &service->metadata[imeta];
         struct record_metadata *md;
-        if (!cmd->brief && !full)
+        if (!cmd->brief && !(flags & 1))
             continue;
         for (md = ml[imeta]; md; md = md->next)
         {
@@ -912,13 +892,19 @@ static void write_metadata(WRBUF w, struct conf_service *service,
             switch (cmd->type)
             {
                 case Metadata_type_generic:
-                    wrbuf_xmlputs(w, md->data.text.disp);
+                    if (md->data.text.snippet && (flags & 2))
+                        wrbuf_puts(w, md->data.text.snippet);
+                    else
+                        wrbuf_xmlputs(w, md->data.text.disp);
                     break;
                 case Metadata_type_year:
                     wrbuf_printf(w, "%d", md->data.number.min);
                     if (md->data.number.min != md->data.number.max)
                         wrbuf_printf(w, "-%d", md->data.number.max);
                     break;
+                case Metadata_type_float:
+                    wrbuf_printf(w, "%f", md->data.fnumber);
+                    break;
                 default:
                     wrbuf_puts(w, "[can't represent]");
                     break;
@@ -929,7 +915,8 @@ static void write_metadata(WRBUF w, struct conf_service *service,
 }
 
 static void write_subrecord(struct record *r, WRBUF w,
-        struct conf_service *service, int show_details)
+                            struct conf_service *service, unsigned flags,
+                            int indent)
 {
     const char *name = session_setting_oneval(
         client_get_database(r->client), PZ_NAME);
@@ -946,7 +933,7 @@ static void write_subrecord(struct record *r, WRBUF w,
     wrbuf_printf(w,  "%u", r->checksum);
     wrbuf_puts(w, "\">\n");
 
-    write_metadata(w, service, r->metadata, show_details, 2);
+    write_metadata(w, service, r->metadata, flags, indent);
     wrbuf_puts(w, " </location>\n");
 }
 
@@ -1009,6 +996,8 @@ static void show_record(struct http_channel *c, struct http_session *s)
     const char *offsetstr = http_argbyname(rq, "offset");
     const char *binarystr = http_argbyname(rq, "binary");
     const char *checksumstr = http_argbyname(rq, "checksum");
+    const char *snippets = http_argbyname(rq, "snippets");
+    unsigned flags = (snippets && *snippets == '1') ? 3 : 1;
 
     if (!s)
         return;
@@ -1102,9 +1091,9 @@ static void show_record(struct http_channel *c, struct http_session *s)
         }
         wrbuf_printf(c->wrbuf, " <activeclients>%d</activeclients>\n",
                      session_active_clients(s->psession));
-        write_metadata(c->wrbuf, service, rec->metadata, 1, 1);
+        write_metadata(c->wrbuf, service, rec->metadata, flags, 1);
         for (r = rec->records; r; r = r->next)
-            write_subrecord(r, c->wrbuf, service, 2);
+            write_subrecord(r, c->wrbuf, service, flags, 2);
         response_close(c, "record");
     }
     show_single_stop(s->psession, rec);
@@ -1145,6 +1134,8 @@ static void show_records(struct http_channel *c, struct http_session *s,
     const char *num = http_argbyname(rq, "num");
     const char *sort = http_argbyname(rq, "sort");
     int version = get_version(rq);
+    const char *snippets = http_argbyname(rq, "snippets");
+    unsigned flags = (snippets && *snippets == '1') ? 2 : 0;
 
     int startn = 0;
     int numn = 20;
@@ -1199,9 +1190,9 @@ static void show_records(struct http_channel *c, struct http_session *s,
         struct conf_service *service = s->psession->service;
 
         wrbuf_puts(c->wrbuf, "<hit>\n");
-        write_metadata(c->wrbuf, service, rec->metadata, 0, 1);
+        write_metadata(c->wrbuf, service, rec->metadata, flags, 1);
         for (ccount = 0, p = rl[i]->records; p;  p = p->next, ccount++)
-            write_subrecord(p, c->wrbuf, service, 0); // subrecs w/o details
+            write_subrecord(p, c->wrbuf, service, flags, 2);
         wrbuf_printf(c->wrbuf, " <count>%d</count>\n", ccount);
        if (strstr(sort, "relevance"))
         {
@@ -1274,7 +1265,7 @@ static void cmd_show(struct http_channel *c)
 
     status = session_active_clients(s->psession);
 
-    if (block)
+    if (block && reclist_get_num_records(s->psession->reclist) == 0)
     {
         if (!strcmp(block, "preferred")
             && !session_is_preferred_clients_ready(s->psession)
@@ -1364,6 +1355,7 @@ static void cmd_search(struct http_channel *c)
     const char *rank = http_argbyname(rq, "rank");
     enum pazpar2_error_code code;
     const char *addinfo = 0;
+    const char *addinfo2 = 0;
     struct reclist_sortparms *sp;
     struct conf_service *service = 0;
 
@@ -1394,10 +1386,10 @@ static void cmd_search(struct http_channel *c)
     }
 
     code = session_search(s->psession, query, startrecs, maxrecs, filter, limit,
-                          &addinfo, sp, mergekey, rank);
+                          &addinfo, &addinfo2, sp, mergekey, rank);
     if (code)
     {
-        error(rs, code, addinfo);
+        error2(rs, code, addinfo, addinfo2);
         release_session(c, s);
         return;
     }
@@ -1442,6 +1434,17 @@ static void cmd_stat(struct http_channel *c)
     release_session(c, s);
 }
 
+static void cmd_stop(struct http_channel *c)
+{
+    struct http_session *s = locate_session(c);
+    if (!s)
+        return;
+    response_open_ok(c, "stop");
+    session_stop(s->psession);
+    response_close(c, "stop");
+    release_session(c, s);
+}
+
 static void cmd_info(struct http_channel *c)
 {
     char yaz_version_str[20];
@@ -1478,6 +1481,9 @@ static void cmd_info(struct http_channel *c)
         }
     }
 #endif
+    wrbuf_printf(c->wrbuf, " <sessions>%d</sessions>\n", sessions_get_count());
+    wrbuf_printf(c->wrbuf, " <clients>%d</clients>\n",   clients_get_count());
+    print_meminfo(c->wrbuf);
     info_services(c->server, c->wrbuf);
 
     response_close(c, "info");
@@ -1496,11 +1502,11 @@ struct {
     { "termlist", cmd_termlist },
     { "exit", cmd_exit },
     { "session-status", cmd_session_status },
-    { "server-status", cmd_server_status },
     { "service", cmd_service },
     { "ping", cmd_ping },
     { "record", cmd_record },
     { "info", cmd_info },
+    { "stop", cmd_stop },
     {0,0}
 };