{ PAZPAR2_RECORD_FAIL, "Record command failed"},
{ PAZPAR2_NOT_IMPLEMENTED, "Not implemented"},
{ PAZPAR2_NO_SERVICE, "No service"},
+ { PAZPAR2_ALREADY_BLOCKED, "Already blocked in session on: "},
{ PAZPAR2_LAST_ERROR, "Last error"},
{ 0, 0 }
};
static struct http_session *locate_session(struct http_channel *c)
{
- struct http_response *rs = c->response;
struct http_request *rq = c->request;
+ struct http_response *rs = c->response;
struct http_session *p;
const char *session = http_argbyname(rq, "session");
http_sessions_t http_sessions = c->http_sessions;
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);
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);
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)
xmalloc_trav(0);
}
-
-static void cmd_bytarget(struct http_channel *c)
-{
- struct http_request *rq = c->request;
- struct http_session *s = locate_session(c);
+static void bytarget_response(struct http_channel *c) {
+ int count, i;
struct hitsbytarget *ht;
+ struct http_request *rq = c->request;
const char *settings = http_argbyname(rq, "settings");
- int count, i;
+ struct http_session *s = locate_session(c);
- if (!s)
- return;
ht = get_hitsbytarget(s->psession, &count, c->nmem);
response_open(c, "bytarget");
-
+ if (count == 0)
+ yaz_log(YLOG_WARN, "Empty bytarget Response. No targets found!");
for (i = 0; i < count; i++)
{
wrbuf_puts(c->wrbuf, "\n<target>");
wrbuf_puts(c->wrbuf, ht[i].settings_xml);
wrbuf_puts(c->wrbuf, "</settings>\n");
}
+ if (ht[i].suggestions_xml && ht[i].suggestions_xml[0]) {
+ wrbuf_puts(c->wrbuf, "<suggestions>");
+ wrbuf_puts(c->wrbuf, ht[i].suggestions_xml);
+ wrbuf_puts(c->wrbuf, "</suggestions>");
+ }
wrbuf_puts(c->wrbuf, "</target>");
}
response_close(c, "bytarget");
release_session(c, s);
}
+static void bytarget_result_ready(void *data)
+{
+ struct http_channel *c = (struct http_channel *) data;
+ yaz_log(c->http_sessions->log_level, "bytarget watch released");
+ bytarget_response(c);
+}
+
+
+static void cmd_bytarget(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 no_active;
+
+ if (!s)
+ return;
+
+ 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,
+ bytarget_result_ready, c, c) != 0)
+ {
+ yaz_log(YLOG_WARN, "Attempt to block multiple times on bytarget block. Not supported!");
+ error(rs, PAZPAR2_ALREADY_BLOCKED, "bytarget");
+ }
+ else
+ {
+ yaz_log(c->http_sessions->log_level, "%p Session %u: Blocking on command bytarget", s, s->session_id);
+ }
+ release_session(c, s);
+ return;
+ }
+ bytarget_response(c);
+ release_session(c, s);
+}
+
static void write_metadata(WRBUF w, struct conf_service *service,
struct record_metadata **ml, int full)
{
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);
}
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);
}
static void cmd_show(struct http_channel *c)
{
- struct http_request *rq = c->request;
+ 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");
const char *sort = http_argbyname(rq, "sort");
if (!sort)
sort = "relevance";
- status = session_active_clients(s->psession);
-
if (!(sp = reclist_parse_sortparms(c->nmem, sort, s->psession->service)))
{
error(c->response, PAZPAR2_MALFORMED_PARAMETER_VALUE, "sort");
}
session_sort(s->psession, sp->name, sp->increasing);
+ status = session_active_clients(s->psession);
+
if (block)
{
if (!strcmp(block, "preferred") && !session_is_preferred_clients_ready(s->psession) && reclist_get_num_records(s->psession->reclist) == 0)
{
// if there is already a watch/block. we do not block this one
if (session_set_watch(s->psession, SESSION_WATCH_SHOW_PREF,
- show_records_ready, c, c) != 0)
+ show_records_ready, c, c) == 0)
{
yaz_log(c->http_sessions->log_level,
- "%p Session %u: Blocking on cmd_show. Waiting for preferred targets", s, s->session_id);
+ "%p Session %u: Blocking on command show (preferred targets)", s, s->session_id);
+ }
+ else
+ {
+ yaz_log(YLOG_WARN, "Attempt to block multiple times on show (preferred targets) block. Not supported!");
+ error(rs, PAZPAR2_ALREADY_BLOCKED, "show (preferred targets)");
}
release_session(c, s);
return;
}
- else if (status && reclist_get_num_records(s->psession->reclist) == 0)
+ else if (status)
{
// if there is already a watch/block. we do not block this one
if (session_set_watch(s->psession, SESSION_WATCH_SHOW,
show_records_ready, c, c) != 0)
{
- yaz_log(c->http_sessions->log_level, "%p Session %u: Blocking on cmd_show", s, s->session_id);
+ yaz_log(YLOG_WARN, "Attempt to block multiple times on show block. Not supported!");
+ error(rs, PAZPAR2_ALREADY_BLOCKED, "show");
+ }
+ else
+ {
+ yaz_log(c->http_sessions->log_level, "%p Session %u: Blocking on command show", s, s->session_id);
}
release_session(c, s);
return;
}
response_open(c, "search");
response_close(c, "search");
- http_send_response(c);
release_session(c, s);
}