X-Git-Url: http://lists.indexdata.dk/cgi-bin?a=blobdiff_plain;f=src%2Fhttp_command.c;h=3128fec4f0d19a311c88ccf9dd77fb1d3e3fb7aa;hb=bc04e18bcab36d307a8e4c820c7d309e71cf6d69;hp=0c660b6cfb8a5a90bfcc6f972d6b5ddee20abb57;hpb=aa8fed542911807dcf5f753288eb724cc1e1cc8a;p=pazpar2-moved-to-github.git

diff --git a/src/http_command.c b/src/http_command.c
index 0c660b6..3128fec 100644
--- a/src/http_command.c
+++ b/src/http_command.c
@@ -1,4 +1,4 @@
-/* $Id: http_command.c,v 1.45 2007-06-04 14:27:48 adam Exp $
+/* $Id: http_command.c,v 1.52 2007-06-13 13:04:34 adam Exp $
    Copyright (c) 2006-2007, Index Data.
 
 This file is part of Pazpar2.
@@ -20,7 +20,7 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  */
 
 /*
- * $Id: http_command.c,v 1.45 2007-06-04 14:27:48 adam Exp $
+ * $Id: http_command.c,v 1.52 2007-06-13 13:04:34 adam Exp $
  */
 
 #include <stdio.h>
@@ -60,7 +60,6 @@ struct http_session {
 };
 
 static struct http_session *session_list = 0;
-
 void http_session_destroy(struct http_session *s);
 
 static void session_timeout(IOCHAN i, int event)
@@ -98,27 +97,58 @@ void http_session_destroy(struct http_session *s)
             *p = (*p)->next;
             break;
         }
+    yaz_log(YLOG_LOG, "Destroying session %u", s->session_id);
     iochan_destroy(s->timeout_iochan);
     destroy_session(s->psession);
     nmem_destroy(s->nmem);
 }
 
+static const char *get_msg(enum pazpar2_error_code code)
+{
+    struct pazpar2_error_msg {
+        enum pazpar2_error_code code;
+        const char *msg;
+    };
+    static const struct pazpar2_error_msg ar[] = {
+        { PAZPAR2_NO_SESSION, "Session does not exist or it has expired"},
+        { PAZPAR2_MISSING_PARAMETER, "Missing parameter"},
+        { PAZPAR2_MALFORMED_PARAMETER_VALUE, "Malformed parameter value"},
+        { PAZPAR2_MALFORMED_PARAMETER_ENCODING, "Malformed parameter encoding"},
+        { PAZPAR2_MALFORMED_SETTING, "Malformed setting argument"},
+        { PAZPAR2_HITCOUNTS_FAILED, "Failed to retrieve hitcounts"},
+        { PAZPAR2_RECORD_MISSING, "Record missing"},
+        { PAZPAR2_NO_TARGETS, "No targets"},
+        { PAZPAR2_CONFIG_TARGET, "Target cannot be configured"},
+        { 0, 0 }
+    };
+    int i = 0;
+    while (ar[i].msg)
+    {
+        if (code == ar[i].code)
+            return ar[i].msg;
+        i++;
+    }
+    return "No error";
+}
+
 static void error(struct http_response *rs, 
-                  const char *code, const char *msg, const char *extra)
+                  enum pazpar2_error_code code,
+                  const char *addinfo)
 {
     struct http_channel *c = rs->channel;
     char text[1024];
-    char *sep = extra ? ": " : "";
+    const char *http_status = "417";
+    const char *msg = get_msg(code);
 
     rs->msg = nmem_strdup(c->nmem, msg);
-    strcpy(rs->code, code);
+    strcpy(rs->code, http_status);
 
     yaz_snprintf(text, sizeof(text),
-                 "<error code=\"general\">%s%s%s</error>", msg, sep,
-                 extra ? extra : "");
+                 "<error code=\"%d\" msg=\"%s\">%s</error>", (int) code,
+                 msg, addinfo ? addinfo : "");
 
-    yaz_log(YLOG_WARN, "HTTP %s %s%s%s", code, msg, sep,
-            extra ? extra : "");
+    yaz_log(YLOG_WARN, "HTTP %s %s%s%s", http_status,
+            msg, addinfo ? ": " : "" , addinfo ? addinfo : "");
     rs->payload = nmem_strdup(c->nmem, text);
     http_send_response(c);
 }
@@ -156,7 +186,7 @@ static struct http_session *locate_session(struct http_request *rq, struct http_
 
     if (!session)
     {
-        error(rs, "417", "Must supply session", 0);
+        error(rs, PAZPAR2_MISSING_PARAMETER, "session");
         return 0;
     }
     id = atoi(session);
@@ -166,7 +196,7 @@ static struct http_session *locate_session(struct http_request *rq, struct http_
             iochan_activity(p->timeout_iochan);
             return p;
         }
-    error(rs, "417", "Session does not exist, or it has expired", 0);
+    error(rs, PAZPAR2_NO_SESSION, session);
     return 0;
 }
 
@@ -189,7 +219,7 @@ static int process_settings(struct session *se, struct http_request *rq,
             nmem_strsplit(se->session_nmem, "[]", a->name, &res, &num);
             if (num != 2)
             {
-                error(rs, "417", "Malformed setting argument", a->name);
+                error(rs, PAZPAR2_MALFORMED_SETTING, a->name);
                 return -1;
             }
             setting = res[0];
@@ -258,16 +288,31 @@ static void targets_termlist(WRBUF wrbuf, struct session *se, int num)
     qsort(ht, count, sizeof(struct hitsbytarget), cmp_ht);
     for (i = 0; i < count && i < num && ht[i].hits > 0; i++)
     {
-        wrbuf_puts(wrbuf, "\n<term>\n");
-        wrbuf_printf(wrbuf, "<id>%s</id>\n", ht[i].id);
+
+        // do only print terms which have display names
+    
+        wrbuf_puts(wrbuf, "<term>\n");
+
+        wrbuf_puts(wrbuf, "<id>");
+        wrbuf_xmlputs(wrbuf, ht[i].id);
+        wrbuf_puts(wrbuf, "</id>\n");
+        
         wrbuf_puts(wrbuf, "<name>");
-        wrbuf_xmlputs(wrbuf, ht[i].name);
+        if (!ht[i].name || !ht[i].name[0])
+            wrbuf_xmlputs(wrbuf, "NO TARGET NAME");
+        else
+            wrbuf_xmlputs(wrbuf, ht[i].name);
         wrbuf_puts(wrbuf, "</name>\n");
-
+        
         wrbuf_printf(wrbuf, "<frequency>%d</frequency>\n", ht[i].hits);
-        wrbuf_printf(wrbuf, "<state>%s</state>\n", ht[i].state);
-        wrbuf_printf(wrbuf, "<diagnostic>%d</diagnostic>\n", ht[i].diagnostic);
-        wrbuf_puts(wrbuf, "\n</term>\n");
+        
+        wrbuf_puts(wrbuf, "<state>");
+        wrbuf_xmlputs(wrbuf, ht[i].state);
+        wrbuf_puts(wrbuf, "</state>\n");
+        
+        wrbuf_printf(wrbuf, "<diagnostic>%d</diagnostic>\n", 
+                     ht[i].diagnostic);
+        wrbuf_puts(wrbuf, "</term>\n");
     }
 }
 
@@ -298,8 +343,8 @@ static void cmd_termlist(struct http_channel *c)
 
     wrbuf_rewind(c->wrbuf);
 
-    wrbuf_puts(c->wrbuf, "<termlist>");
-    wrbuf_printf(c->wrbuf, "\n<activeclients>%d</activeclients>", status);
+    wrbuf_puts(c->wrbuf, "<termlist>\n");
+    wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", status);
     while (*name)
     {
         char tname[256];
@@ -310,7 +355,7 @@ static void cmd_termlist(struct http_channel *c)
         strncpy(tname, name, tp - name);
         tname[tp - name] = '\0';
 
-        wrbuf_puts(c->wrbuf, "\n<list name=\"");
+        wrbuf_puts(c->wrbuf, "<list name=\"");
         wrbuf_xmlputs(c->wrbuf, tname);
         wrbuf_puts(c->wrbuf, "\">\n");
         if (!strcmp(tname, "xtargets"))
@@ -319,23 +364,28 @@ static void cmd_termlist(struct http_channel *c)
         {
             p = termlist(s->psession, tname, &len);
             if (p)
-                for (i = 0; i < len && i < num; i++)
-                {
-                    wrbuf_puts(c->wrbuf, "\n<term>");
+                for (i = 0; i < len && i < num; i++){
+                    // prevnt sending empty term elements
+                    if (!p[i]->term || !p[i]->term[0])
+                        continue;
+
+                    wrbuf_puts(c->wrbuf, "<term>");
                     wrbuf_puts(c->wrbuf, "<name>");
                     wrbuf_xmlputs(c->wrbuf, p[i]->term);
                     wrbuf_puts(c->wrbuf, "</name>");
-
-                    wrbuf_printf(c->wrbuf, "<frequency>%d</frequency>", p[i]->frequency);
-                    wrbuf_puts(c->wrbuf, "</term>");
-                }
+                        
+                    wrbuf_printf(c->wrbuf, 
+                                 "<frequency>%d</frequency>", 
+                                 p[i]->frequency);
+                    wrbuf_puts(c->wrbuf, "</term>\n");
+               }
         }
-        wrbuf_puts(c->wrbuf, "\n</list>");
+        wrbuf_puts(c->wrbuf, "</list>\n");
         name = tp;
         if (*name == ',')
             name++;
     }
-    wrbuf_puts(c->wrbuf, "</termlist>");
+    wrbuf_puts(c->wrbuf, "</termlist>\n");
     rs->payload = nmem_strdup(rq->channel->nmem, wrbuf_cstr(c->wrbuf));
     http_send_response(c);
 }
@@ -353,7 +403,7 @@ static void cmd_bytarget(struct http_channel *c)
         return;
     if (!(ht = hitsbytarget(s->psession, &count)))
     {
-        error(rs, "500", "Failed to retrieve hitcounts", 0);
+        error(rs, PAZPAR2_HITCOUNTS_FAILED, 0);
         return;
     }
     wrbuf_rewind(c->wrbuf);
@@ -362,11 +412,19 @@ static void cmd_bytarget(struct http_channel *c)
     for (i = 0; i < count; i++)
     {
         wrbuf_puts(c->wrbuf, "\n<target>");
-        wrbuf_printf(c->wrbuf, "<id>%s</id>\n", ht[i].id);
+
+        wrbuf_puts(c->wrbuf, "<id>");
+        wrbuf_xmlputs(c->wrbuf, ht[i].id);
+        wrbuf_puts(c->wrbuf, "</id>\n");
+
         wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", ht[i].hits);
         wrbuf_printf(c->wrbuf, "<diagnostic>%d</diagnostic>\n", ht[i].diagnostic);
         wrbuf_printf(c->wrbuf, "<records>%d</records>\n", ht[i].records);
-        wrbuf_printf(c->wrbuf, "<state>%s</state>\n", ht[i].state);
+
+        wrbuf_puts(c->wrbuf, "<state>");
+        wrbuf_xmlputs(c->wrbuf, ht[i].state);
+        wrbuf_puts(c->wrbuf, "</state>\n");
+
         wrbuf_puts(c->wrbuf, "</target>");
     }
 
@@ -389,10 +447,11 @@ static void write_metadata(WRBUF w, struct conf_service *service,
         for (md = ml[imeta]; md; md = md->next)
         {
             wrbuf_printf(w, "\n<md-%s>", cmd->name);
+
             switch (cmd->type)
             {
                 case Metadata_type_generic:
-                    wrbuf_puts(w, md->data.text);
+                    wrbuf_xmlputs(w, md->data.text);
                     break;
                 case Metadata_type_year:
                     wrbuf_printf(w, "%d", md->data.number.min);
@@ -412,14 +471,14 @@ static void write_subrecord(struct record *r, WRBUF w,
 {
     char *name = session_setting_oneval(client_get_database(r->client), PZ_NAME);
 
-    wrbuf_printf(w, "<location id=\"");
+    wrbuf_puts(w, "<location id=\"");
     wrbuf_xmlputs(w, client_get_database(r->client)->database->url);
     wrbuf_puts(w, "\" ");
 
-    wrbuf_printf(w, "name=\"");
-
+    wrbuf_puts(w, "name=\"");
     wrbuf_xmlputs(w,  *name ? name : "Unknown");
-    wrbuf_printf(w, "\">");
+    wrbuf_puts(w, "\">");
+
     if (show_details)
         write_metadata(w, service, r->metadata, 1);
     wrbuf_puts(w, "</location>\n");
@@ -440,18 +499,18 @@ static void cmd_record(struct http_channel *c)
         return;
     if (!idstr)
     {
-        error(rs, "417", "Must supply id", 0);
+        error(rs, PAZPAR2_MISSING_PARAMETER, "id");
         return;
     }
     wrbuf_rewind(c->wrbuf);
     id = atoi(idstr);
     if (!(rec = show_single(s->psession, id)))
     {
-        error(rs, "500", "Record missing", 0);
+        error(rs, PAZPAR2_RECORD_MISSING, idstr);
         return;
     }
     wrbuf_puts(c->wrbuf, "<record>\n");
-    wrbuf_printf(c->wrbuf, "<recid>%d</recid>", rec->recid);
+    wrbuf_printf(c->wrbuf, "<recid>%d</recid>\n", rec->recid);
     write_metadata(c->wrbuf, service, rec->metadata, 1);
     for (r = rec->records; r; r = r->next)
         write_subrecord(r, c->wrbuf, service, 1);
@@ -491,7 +550,7 @@ static void show_records(struct http_channel *c, int active)
         sort = "relevance";
     if (!(sp = reclist_parse_sortparms(c->nmem, sort)))
     {
-        error(rs, "500", "Bad sort parameters", 0);
+        error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "sort");
         return;
     }
 
@@ -603,24 +662,25 @@ static void cmd_search(struct http_channel *c)
     struct http_session *s = locate_session(rq, rs);
     char *query = http_argbyname(rq, "query");
     char *filter = http_argbyname(rq, "filter");
-    char *res;
+    enum pazpar2_error_code code;
+    const char *addinfo = 0;
 
     if (!s)
         return;
     if (!query)
     {
-        error(rs, "417", "Must supply query", 0);
+        error(rs, PAZPAR2_MISSING_PARAMETER, "query");
         return;
     }
     if (!utf_8_valid(query))
     {
-        error(rs, "417", "Query not UTF-8 encoded", 0);
+        error(rs, PAZPAR2_MALFORMED_PARAMETER_ENCODING, "query");
         return;
     }
-    res = search(s->psession, query, filter);
-    if (res)
+    code = search(s->psession, query, filter, &addinfo);
+    if (code)
     {
-        error(rs, "417", res, 0);
+        error(rs, code, addinfo);
         return;
     }
     rs->payload = "<search><status>OK</status></search>";
@@ -668,13 +728,20 @@ static void cmd_info(struct http_channel *c)
 
     wrbuf_rewind(c->wrbuf);
     wrbuf_puts(c->wrbuf, "<info>\n");
-    wrbuf_printf(c->wrbuf, " <version>\n");
-    wrbuf_printf(c->wrbuf, "  <pazpar2>%s</pazpar2>\n", VERSION);
+    wrbuf_puts(c->wrbuf, " <version>\n");
+    wrbuf_puts(c->wrbuf, "<pazpar2>");
+    wrbuf_xmlputs(c->wrbuf, VERSION);
+    wrbuf_puts(c->wrbuf, "</pazpar2>");
+
 
     yaz_version(yaz_version_str, 0);
-    wrbuf_printf(c->wrbuf, "  <yaz compiled=\"%s\">%s</yaz>\n",
-                 YAZ_VERSION, yaz_version_str);
-    wrbuf_printf(c->wrbuf, " </version>\n");
+    wrbuf_puts(c->wrbuf, "  <yaz compiled=\"");
+    wrbuf_xmlputs(c->wrbuf, YAZ_VERSION);
+    wrbuf_puts(c->wrbuf, "\">");
+    wrbuf_xmlputs(c->wrbuf, yaz_version_str);
+    wrbuf_puts(c->wrbuf, "</yaz>\n");
+
+    wrbuf_puts(c->wrbuf, " </version>\n");
     
     wrbuf_puts(c->wrbuf, "</info>");
     rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
@@ -712,7 +779,7 @@ void http_command(struct http_channel *c)
 
     if (!command)
     {
-        error(rs, "417", "Must supply command", 0);
+        error(rs, PAZPAR2_MISSING_PARAMETER, "command");
         return;
     }
     for (i = 0; commands[i].name; i++)
@@ -722,7 +789,7 @@ void http_command(struct http_channel *c)
             break;
         }
     if (!commands[i].name)
-        error(rs, "417", "Unknown command", command);
+        error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "command");
 
     return;
 }