X-Git-Url: http://lists.indexdata.com/cgi-bin?a=blobdiff_plain;f=src%2Fhttp_command.c;h=04701d4d14f089ac6e73af9d03b6862a349b7179;hb=41254acc733dbd958295696f87ccb10631a9e9df;hp=c016ddeb4ba9f6a0e24033412f3021d8bddf4cee;hpb=f795b401c5145f9a4d56e919908cc71931074667;p=pazpar2-moved-to-github.git

diff --git a/src/http_command.c b/src/http_command.c
index c016dde..04701d4 100644
--- a/src/http_command.c
+++ b/src/http_command.c
@@ -509,7 +509,7 @@ static void cmd_settings(struct http_channel *c)
     release_session(c, s);
 }
 
-static void cmd_termlist(struct http_channel *c)
+static void termlist_response(struct http_channel *c)
 {
     struct http_request *rq = c->request;
     struct http_session *s = locate_session(c);
@@ -518,14 +518,11 @@ static void cmd_termlist(struct http_channel *c)
     int num = 15;
     int status;
 
-    if (!s)
-        return;
-
-    status = session_active_clients(s->psession);
-
     if (nums)
         num = atoi(nums);
 
+    status = session_active_clients(s->psession);
+
     response_open_no_status(c, "termlist");
     wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", status);
 
@@ -535,6 +532,46 @@ static void cmd_termlist(struct http_channel *c)
     release_session(c, s);
 }
 
+static void termlist_result_ready(void *data)
+{
+    struct http_channel *c = (struct http_channel) data;
+    yaz_log(c->http_sessions->log_level, "termlist watch released");
+    termlist_response(c);
+}
+
+static void cmd_termlist(struct http_channel *c)
+{
+    struct http_request *rq = c->request;
+    struct http_response *rs = c->response;
+    struct http_session *s = locate_session(c);
+    const char *block = http_argbyname(rq, "block");
+    int active_clients;
+    if (!s)
+        return;
+
+    active_clients = session_active_clients(s->psession);
+
+    if (block && !strcmp("1", block) && active_clients)
+    {
+        // if there is already a watch/block. we do not block this one
+        if (session_set_watch(s->psession, SESSION_WATCH_TERMLIST,
+                              termlist_result_ready, c, c) != 0)
+        {
+            yaz_log(YLOG_WARN, "Attempt to block multiple times on termlist block. Not supported!");
+            error(rs, PAZPAR2_ALREADY_BLOCKED, "termlist");
+        }
+        else
+        {
+            yaz_log(c->http_sessions->log_level, "%p Session %u: Blocking on command termlist", s, s->session_id);
+        }
+        release_session(c, s);
+        return;
+    }
+
+    termlist_response(c);
+    release_session(c, s);
+}
+
 size_t session_get_memory_status(struct session *session);
 
 static void session_status(struct http_channel *c, struct http_session *s)
@@ -665,11 +702,14 @@ static void cmd_bytarget(struct http_channel *c)
     struct http_response *rs = c->response;
     struct http_session *s = locate_session(c);
     const char *block = http_argbyname(rq, "block");
+    int no_active;
 
     if (!s)
         return;
 
-    if (block && !strcmp("1",block))
+    no_active = session_active_clients(s->psession);
+
+    if (block && !strcmp("1",block) && no_active)
     {
         // if there is already a watch/block. we do not block this one
         if (session_set_watch(s->psession, SESSION_WATCH_BYTARGET,
@@ -901,7 +941,7 @@ static void cmd_record(struct http_channel *c)
 static void cmd_record_ready(void *data)
 {
     struct http_channel *c = (struct http_channel *) data;
-
+    yaz_log(c->http_sessions->log_level, "record watch released");
     cmd_record(c);
 }
 
@@ -983,7 +1023,7 @@ static void show_records(struct http_channel *c, int active)
 static void show_records_ready(void *data)
 {
     struct http_channel *c = (struct http_channel *) data;
-
+    yaz_log(c->http_sessions->log_level, "show watch released");
     show_records(c, -1);
 }