/* This file is part of Pazpar2.
- Copyright (C) 2006-2008 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
#include <yaz/snprintf.h>
#include <yaz/yaz-util.h>
-#include "util.h"
+#include "ppmutex.h"
#include "eventl.h"
-#include "pazpar2.h"
+#include "parameters.h"
+#include "session.h"
#include "http.h"
-#include "http_command.h"
#include "settings.h"
#include "client.h"
+#ifdef HAVE_MALLINFO
+#include <malloc.h>
+
+void print_meminfo(WRBUF wrbuf)
+{
+ struct mallinfo minfo;
+ minfo = mallinfo();
+ 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)
+#endif
+
+
// Update this when the protocol changes
#define PAZPAR2_PROTOCOL_VERSION "1"
+#define HTTP_COMMAND_RESPONSE_PREFIX "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+
struct http_session {
IOCHAN timeout_iochan; // NOTE: This is NOT associated with a socket
struct session *psession;
unsigned int session_id;
int timestamp;
+ int destroy_counter;
+ int activity_counter;
NMEM nmem;
+ http_sessions_t http_sessions;
struct http_session *next;
};
-static struct http_session *session_list = 0;
+struct http_sessions {
+ struct http_session *session_list;
+ YAZ_MUTEX mutex;
+ int log_level;
+};
+
+static YAZ_MUTEX g_http_session_mutex = 0;
+static int g_http_sessions = 0;
+
+static void show_records_ready(void *data);
+
+int get_version(struct http_request *rq) {
+ const char *version = http_argbyname(rq, "version");
+ int version_no = 0;
+ if (version && strcmp(version, "")) {
+ version_no = atoi(version);
+ }
+ return version_no;
+}
+
+
+int http_session_use(int delta)
+{
+ int sessions;
+ if (!g_http_session_mutex)
+ yaz_mutex_create(&g_http_session_mutex);
+ yaz_mutex_enter(g_http_session_mutex);
+ g_http_sessions += delta;
+ sessions = g_http_sessions;
+ yaz_mutex_leave(g_http_session_mutex);
+ yaz_log(YLOG_DEBUG, "%s http_sessions=%d", delta == 0 ? "" :
+ (delta > 0 ? "INC" : "DEC"), sessions);
+ return sessions;
+
+}
+
+http_sessions_t http_sessions_create(void)
+{
+ http_sessions_t hs = xmalloc(sizeof(*hs));
+ hs->session_list = 0;
+ hs->mutex = 0;
+ pazpar2_mutex_create(&hs->mutex, "http_sessions");
+ hs->log_level = yaz_log_module_level("http");
+ return hs;
+}
+
+void http_sessions_destroy(http_sessions_t hs)
+{
+ if (hs)
+ {
+ struct http_session *s = hs->session_list;
+ while (s)
+ {
+ struct http_session *s_next = s->next;
+ iochan_destroy(s->timeout_iochan);
+ session_destroy(s->psession);
+ nmem_destroy(s->nmem);
+ s = s_next;
+ }
+ yaz_mutex_destroy(&hs->mutex);
+ xfree(hs);
+ }
+}
+
void http_session_destroy(struct http_session *s);
static void session_timeout(IOCHAN i, int event)
http_session_destroy(s);
}
-struct http_session *http_session_create()
+struct http_session *http_session_create(struct conf_service *service,
+ http_sessions_t http_sessions,
+ unsigned int sesid)
{
NMEM nmem = nmem_create();
struct http_session *r = nmem_malloc(nmem, sizeof(*r));
+ char tmp_str[50];
- r->psession = new_session(nmem);
- r->session_id = 0;
+ sprintf(tmp_str, "session#%u", sesid);
+ r->psession = session_create(nmem, service, sesid);
+ r->session_id = sesid;
r->timestamp = 0;
r->nmem = nmem;
- r->next = session_list;
- session_list = r;
- r->timeout_iochan = iochan_create(-1, session_timeout, 0);
+ r->destroy_counter = r->activity_counter = 0;
+ r->http_sessions = http_sessions;
+
+ yaz_mutex_enter(http_sessions->mutex);
+ r->next = http_sessions->session_list;
+ http_sessions->session_list = r;
+ yaz_mutex_leave(http_sessions->mutex);
+
+ r->timeout_iochan = iochan_create(-1, session_timeout, 0,
+ "http_session_timeout");
iochan_setdata(r->timeout_iochan, r);
- iochan_settimeout(r->timeout_iochan, global_parameters.session_timeout);
- pazpar2_add_channel(r->timeout_iochan);
+ session_log(r->psession, http_sessions->log_level,
+ "HTTP session create. timeout chan=%p ses=%d",
+ r->timeout_iochan, service->session_timeout);
+ iochan_settimeout(r->timeout_iochan, service->session_timeout);
+
+ iochan_add(service->server->iochan_man, r->timeout_iochan, -1);
+ http_session_use(1);
return r;
}
void http_session_destroy(struct http_session *s)
{
- struct http_session **p;
+ int must_destroy = 0;
+
+ http_sessions_t http_sessions = s->http_sessions;
+
+ session_log(s->psession, http_sessions->log_level,
+ "HTTP session destroy");
+ yaz_mutex_enter(http_sessions->mutex);
+ /* only if http_session has no active http sessions on it can be destroyed */
+ if (s->destroy_counter == s->activity_counter)
+ {
+ struct http_session **p = 0;
+ must_destroy = 1;
+ for (p = &http_sessions->session_list; *p; p = &(*p)->next)
+ if (*p == s)
+ {
+ *p = (*p)->next;
+ break;
+ }
+ }
+ yaz_mutex_leave(http_sessions->mutex);
+ if (must_destroy)
+ { /* destroying for real */
+ session_log(s->psession, http_sessions->log_level, "About to destroyd");
+ iochan_destroy(s->timeout_iochan);
+ session_destroy(s->psession);
+ http_session_use(-1);
+ nmem_destroy(s->nmem);
+ }
+ else
+ {
+ session_log(s->psession, http_sessions->log_level,
+ "Destroy delayed. Active clients (%d-%d)",
+ s->activity_counter, s->destroy_counter);
+ }
- for (p = &session_list; *p; p = &(*p)->next)
- if (*p == 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)
{ PAZPAR2_CONFIG_TARGET, "Target cannot be configured"},
{ 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 }
};
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();
const char *http_status = "417";
const char *msg = get_msg(code);
-
+
rs->msg = nmem_strdup(c->nmem, msg);
strcpy(rs->code, http_status);
- wrbuf_printf(text, "<error code=\"%d\" msg=\"%s\">", (int) code,
- msg);
+ 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,
http_send_response(c);
}
-unsigned int make_sessionid()
+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);
+ wrbuf_puts(c->wrbuf, HTTP_COMMAND_RESPONSE_PREFIX);
+ if (command)
+ wrbuf_printf(c->wrbuf, "<%s>", command);
+}
+
+static void response_open_ok(struct http_channel *c, const char *command)
+{
+ response_open_command(c, command);
+ wrbuf_puts(c->wrbuf, "<status>OK</status>");
+}
+
+static void response_close(struct http_channel *c, const char *command)
+{
+ struct http_response *rs = c->response;
+
+ if (command)
+ wrbuf_printf(c->wrbuf, "</%s>", command);
+ rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
+ http_send_response(c);
+}
+
+unsigned int make_sessionid(void)
{
- static int seq = 0;
+ static int seq = 0; /* thread pr */
unsigned int res;
seq++;
- if (global_parameters.debug_mode)
+ if (global_parameters.predictable_sessions)
res = seq;
else
{
yaz_log(YLOG_WARN|YLOG_ERRNO, "gettimeofday");
exit(1);
}
- /* at most 256 sessions per second ..
+ /* at most 256 sessions per second ..
(long long would be more appropriate)*/
res = t.tv_sec;
res = ((res << 8) | (seq & 0xff)) & ((1U << 31) - 1);
return res;
}
-static struct http_session *locate_session(struct http_request *rq, struct http_response *rs)
+static struct http_session *locate_session(struct http_channel *c)
{
+ struct http_request *rq = c->request;
+ struct http_response *rs = c->response;
struct http_session *p;
- char *session = http_argbyname(rq, "session");
+ const char *session = http_argbyname(rq, "session");
+ http_sessions_t http_sessions = c->http_sessions;
unsigned int id;
if (!session)
return 0;
}
id = atoi(session);
- for (p = session_list; p; p = p->next)
+ yaz_mutex_enter(http_sessions->mutex);
+ for (p = http_sessions->session_list; p; p = p->next)
if (id == p->session_id)
- {
- iochan_activity(p->timeout_iochan);
- return p;
- }
- error(rs, PAZPAR2_NO_SESSION, session);
- return 0;
+ break;
+ if (p)
+ p->activity_counter++;
+ yaz_mutex_leave(http_sessions->mutex);
+ if (p)
+ iochan_activity(p->timeout_iochan);
+ else
+ error(rs, PAZPAR2_NO_SESSION, session);
+ return p;
+}
+
+// Call after use of locate_session, in order to increment the destroy_counter
+static void release_session(struct http_channel *c,
+ struct http_session *session)
+{
+ http_sessions_t http_sessions = c->http_sessions;
+ yaz_mutex_enter(http_sessions->mutex);
+ if (session)
+ session->destroy_counter++;
+ yaz_mutex_leave(http_sessions->mutex);
}
// Decode settings parameters and apply to session
// Syntax: setting[target]=value
static int process_settings(struct session *se, struct http_request *rq,
- struct http_response *rs)
+ struct http_response *rs)
{
struct http_argument *a;
+ NMEM nmem = nmem_create();
for (a = rq->arguments; a; a = a->next)
if (strchr(a->name, '['))
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;
}
static void cmd_exit(struct http_channel *c)
{
yaz_log(YLOG_WARN, "exit");
- http_close_server();
+
+ response_open_ok(c, "exit");
+ response_close(c, "exit");
+ if (global_parameters.debug_mode)
+ http_close_server(c->server);
}
static void cmd_init(struct http_channel *c)
{
+ struct http_request *r = c->request;
+ const char *clear = http_argbyname(r, "clear");
+ const char *content_type = http_lookup_header(r->headers, "Content-Type");
unsigned int sesid;
- char buf[1024];
- const char *clear = http_argbyname(c->request, "clear");
- struct http_session *s = http_session_create();
+ struct http_session *s;
struct http_response *rs = c->response;
+ struct conf_service *service = 0; /* no service (yet) */
+
+ if (r->content_len && content_type &&
+ !yaz_strcmp_del("text/xml", content_type, "; "))
+ {
+ xmlDoc *doc = xmlParseMemory(r->content_buf, r->content_len);
+ xmlNode *root_n;
+ if (!doc)
+ {
+ error(rs, PAZPAR2_MALFORMED_SETTING, 0);
+ return;
+ }
+ root_n = xmlDocGetRootElement(doc);
+ service = service_create(c->server, root_n);
+ xmlFreeDoc(doc);
+ if (!service)
+ {
+ error(rs, PAZPAR2_MALFORMED_SETTING, 0);
+ return;
+ }
+ }
+
+ if (!service)
+ {
+ const char *service_name = http_argbyname(c->request, "service");
+ service = locate_service(c->server, service_name);
+ if (!service)
+ {
+ error(rs, PAZPAR2_NO_SERVICE, service_name ? service_name : "unnamed");
+ return;
+ }
+ }
+ sesid = make_sessionid();
+ s = http_session_create(service, c->http_sessions, sesid);
- yaz_log(YLOG_DEBUG, "HTTP Session init");
if (!clear || *clear == '0')
session_init_databases(s->psession);
else
- yaz_log(YLOG_LOG, "No databases preloaded");
- sesid = make_sessionid();
- s->session_id = sesid;
+ session_log(s->psession, YLOG_LOG, "No databases preloaded");
+
if (process_settings(s->psession, c->request, c->response) < 0)
return;
- sprintf(buf, "<init><status>OK</status><session>%u</session>"
- "<protocol>" PAZPAR2_PROTOCOL_VERSION "</protocol></init>", sesid);
- rs->payload = nmem_strdup(c->nmem, buf);
- http_send_response(c);
+
+ response_open_ok(c, "init");
+ wrbuf_printf(c->wrbuf, "<session>%d", sesid);
+ if (c->server->server_id)
+ {
+ wrbuf_puts(c->wrbuf, ".");
+ wrbuf_puts(c->wrbuf, c->server->server_id);
+ }
+ wrbuf_puts(c->wrbuf, "</session>"
+ "<protocol>" PAZPAR2_PROTOCOL_VERSION "</protocol>");
+
+ wrbuf_printf(c->wrbuf, "<keepAlive>%d</keepAlive>\n",
+ 1000 * ((s->psession->service->session_timeout >= 20) ?
+ (s->psession->service->session_timeout - 10) : 50));
+ response_close(c, "init");
+}
+
+static void apply_local_setting(void *client_data,
+ struct setting *set)
+{
+ struct session *se = (struct session *) client_data;
+
+ session_apply_setting(se, set->target, set->name, set->value);
}
static void cmd_settings(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 http_session *s = locate_session(c);
+ const char *content_type = http_lookup_header(rq->headers, "Content-Type");
if (!s)
return;
+ if (rq->content_len && content_type &&
+ !yaz_strcmp_del("text/xml", content_type, "; "))
+ {
+ xmlDoc *doc = xmlParseMemory(rq->content_buf, rq->content_len);
+ xmlNode *root_n;
+ int ret;
+ if (!doc)
+ {
+ error(rs, PAZPAR2_MALFORMED_SETTING, 0);
+ release_session(c, s);
+ return;
+ }
+ root_n = xmlDocGetRootElement(doc);
+ ret = settings_read_node_x(root_n, s->psession, apply_local_setting);
+ xmlFreeDoc(doc);
+ if (ret)
+ {
+ error(rs, PAZPAR2_MALFORMED_SETTING, 0);
+ release_session(c, s);
+ return;
+ }
+ }
if (process_settings(s->psession, rq, rs) < 0)
+ {
+ release_session(c, s);
return;
- rs->payload = "<settings><status>OK</status></settings>";
- http_send_response(c);
+ }
+ response_open_ok(c, "settings");
+ response_close(c, "settings");
+ release_session(c, s);
}
-// Compares two hitsbytarget nodes by hitcount
-static int cmp_ht(const void *p1, const void *p2)
+static void termlist_response(struct http_channel *c, struct http_session *s,
+ const char *cmd_status)
{
- const struct hitsbytarget *h1 = p1;
- const struct hitsbytarget *h2 = p2;
- return h2->hits - h1->hits;
-}
+ struct http_request *rq = c->request;
+ const char *name = http_argbyname(rq, "name");
+ const char *nums = http_argbyname(rq, "num");
+ int version = get_version(rq);
+ int num = 15;
+ int status;
-// This implements functionality somewhat similar to 'bytarget', but in a termlist form
-static void targets_termlist(WRBUF wrbuf, struct session *se, int num,
- NMEM nmem)
-{
- struct hitsbytarget *ht;
- int count, i;
+ if (nums)
+ num = atoi(nums);
- ht = hitsbytarget(se, &count, nmem);
- qsort(ht, count, sizeof(struct hitsbytarget), cmp_ht);
- for (i = 0; i < count && i < num && ht[i].hits > 0; i++)
- {
+ status = session_active_clients(s->psession);
- // do only print terms which have display names
-
- wrbuf_puts(wrbuf, "<term>\n");
+ response_open_command(c, "termlist");
+ /* new protocol add a status to response. Triggered by a status parameter */
+ if (cmd_status != 0)
+ wrbuf_printf(c->wrbuf, "<status>%s</status>\n", cmd_status);
+ wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", status);
- wrbuf_puts(wrbuf, "<id>");
- wrbuf_xmlputs(wrbuf, ht[i].id);
- wrbuf_puts(wrbuf, "</id>\n");
-
- wrbuf_puts(wrbuf, "<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_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");
+ perform_termlist(c, s->psession, name, num, version);
+
+ response_close(c, "termlist");
+}
+
+static void termlist_result_ready(void *data)
+{
+ struct http_channel *c = (struct http_channel *) data;
+ struct http_request *rq = c->request;
+ const char *report = http_argbyname(rq, "report");
+ const char *status = 0;
+ struct http_session *s = locate_session(c);
+ if (report && !strcmp("status", report))
+ status = "OK";
+ if (s)
+ {
+ session_log(s->psession, c->http_sessions->log_level,
+ "termlist watch released");
+ termlist_response(c, s, status);
+ release_session(c, s);
}
}
static void cmd_termlist(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 termlist_score **p;
- int len;
- int i;
- char *name = http_argbyname(rq, "name");
- char *nums = http_argbyname(rq, "num");
- int num = 15;
- int status;
-
+ struct http_response *rs = c->response;
+ struct http_session *s = locate_session(c);
+ const char *block = http_argbyname(rq, "block");
+ const char *report = http_argbyname(rq, "report");
+ int report_status = 0;
+ int report_error = 0;
+ const char *status_message = 0;
+ int active_clients;
+
+ if (report && !strcmp("error", report))
+ {
+ report_error = 1;
+ status_message = "OK";
+ }
+ if (report && !strcmp("status", report))
+ {
+ report_status = 1;
+ status_message = "OK";
+ }
if (!s)
return;
- status = session_active_clients(s->psession);
+ 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)
+ {
+ session_log(s->psession, YLOG_WARN, "Attempt to block "
+ "multiple times on termlist block. Not supported!");
+ if (report_error) {
+ error(rs, PAZPAR2_ALREADY_BLOCKED, "termlist");
+ release_session(c, s);
+ return;
+ }
+ else if (report_status)
+ status_message = "WARNING (Already blocked on termlist)";
+ else
+ session_log(s->psession, YLOG_WARN,
+ "Ignoring termlist block. Return current result");
+ }
+ else
+ {
+ session_log(s->psession, c->http_sessions->log_level,
+ "Blocking on command termlist");
+ release_session(c, s);
+ return;
+ }
+ }
- if (!name)
- name = "subject";
- if (strlen(name) > 255)
- return;
- if (nums)
- num = atoi(nums);
+ termlist_response(c, s, status_message);
+ release_session(c, s);
+}
- wrbuf_rewind(c->wrbuf);
+size_t session_get_memory_status(struct session *session);
- wrbuf_puts(c->wrbuf, "<termlist>\n");
- wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", status);
- while (*name)
- {
- char tname[256];
- char *tp;
+static void session_status(struct http_channel *c, struct http_session *s)
+{
+ size_t session_nmem;
+ wrbuf_printf(c->wrbuf, "<http_count>%u</http_count>\n",
+ s->activity_counter);
+ wrbuf_printf(c->wrbuf, "<http_nmem>%zu</http_nmem>\n",
+ nmem_total(s->nmem) );
+ session_nmem = session_get_memory_status(s->psession);
+ wrbuf_printf(c->wrbuf, "<session_nmem>%zu</session_nmem>\n", session_nmem);
+}
- if (!(tp = strchr(name, ',')))
- tp = name + strlen(name);
- strncpy(tname, name, tp - name);
- tname[tp - name] = '\0';
+static void cmd_service(struct http_channel *c)
+{
+ struct http_session *s = locate_session(c);
+ if (!s)
+ return;
- wrbuf_puts(c->wrbuf, "<list name=\"");
- wrbuf_xmlputs(c->wrbuf, tname);
- wrbuf_puts(c->wrbuf, "\">\n");
- if (!strcmp(tname, "xtargets"))
- targets_termlist(c->wrbuf, s->psession, num, c->nmem);
- else
- {
- p = termlist(s->psession, tname, &len);
- if (p)
- 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>\n");
- }
- }
- wrbuf_puts(c->wrbuf, "</list>\n");
- name = tp;
- if (*name == ',')
- name++;
- }
- wrbuf_puts(c->wrbuf, "</termlist>\n");
- rs->payload = nmem_strdup(rq->channel->nmem, wrbuf_cstr(c->wrbuf));
- http_send_response(c);
+ response_open_command(c, 0);
+ if (s->psession->service->xml_node)
+ wrbuf_puts(c->wrbuf, s->psession->service->xml_node);
+ response_close(c, 0);
+ release_session(c, s);
}
+static void cmd_session_status(struct http_channel *c)
+{
+ struct http_session *s = locate_session(c);
+ if (!s)
+ return;
+
+ response_open_ok(c, "session-status");
+ session_status(c, s);
+ response_close(c, "session-status");
+ release_session(c, s);
+}
-static void cmd_bytarget(struct http_channel *c)
+static void bytarget_response(struct http_channel *c, struct http_session *s,
+ const char *cmd_status)
{
- struct http_response *rs = c->response;
- struct http_request *rq = c->request;
- struct http_session *s = locate_session(rq, rs);
- struct hitsbytarget *ht;
int count, i;
+ struct http_request *rq = c->request;
+ const char *settings = http_argbyname(rq, "settings");
+ int version = get_version(rq);
+ struct hitsbytarget *ht = get_hitsbytarget(s->psession, &count, c->nmem);
- if (!s)
- return;
- ht = hitsbytarget(s->psession, &count, c->nmem);
- wrbuf_rewind(c->wrbuf);
- wrbuf_puts(c->wrbuf, "<bytarget><status>OK</status>");
+ if (!cmd_status)
+ /* Old protocol, always ok */
+ response_open_ok(c, "bytarget");
+ else
+ {
+ /* New protocol, OK or WARNING (...)*/
+ response_open_command(c, "bytarget");
+ wrbuf_printf(c->wrbuf, "<status>%s</status>", cmd_status);
+ }
+ if (count == 0)
+ session_log(s->psession, YLOG_WARN,
+ "Empty bytarget Response. No targets found!");
for (i = 0; i < count; i++)
{
wrbuf_puts(c->wrbuf, "\n<target>");
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);
+ if (ht[i].name && ht[i].name[0])
+ {
+ wrbuf_puts(c->wrbuf, "<name>");
+ wrbuf_xmlputs(c->wrbuf, ht[i].name);
+ wrbuf_puts(c->wrbuf, "</name>\n");
+ }
+ wrbuf_printf(c->wrbuf, "<hits>" ODR_INT_PRINTF "</hits>\n", ht[i].hits);
+ wrbuf_printf(c->wrbuf, "<diagnostic>%d</diagnostic>\n",
+ ht[i].diagnostic);
+ if (ht[i].diagnostic)
+ {
+ wrbuf_puts(c->wrbuf, "<message>");
+ wrbuf_xmlputs(c->wrbuf, ht[i].message);
+ wrbuf_puts(c->wrbuf, "</message>\n");
+ wrbuf_puts(c->wrbuf, "<addinfo>");
+ if (ht[i].addinfo)
+ wrbuf_xmlputs(c->wrbuf, ht[i].addinfo);
+ wrbuf_puts(c->wrbuf, "</addinfo>\n");
+ }
+
+ 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, "<approximation>" ODR_INT_PRINTF
+ "</approximation>\n", ht[i].approximation);
+ }
wrbuf_puts(c->wrbuf, "<state>");
wrbuf_xmlputs(c->wrbuf, ht[i].state);
wrbuf_puts(c->wrbuf, "</state>\n");
-
+ if (settings && *settings == '1')
+ {
+ wrbuf_puts(c->wrbuf, "<settings>\n");
+ 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>");
+ }
+ 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");
+}
- wrbuf_puts(c->wrbuf, "</bytarget>");
- rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
- http_send_response(c);
+static void bytarget_result_ready(void *data)
+{
+ struct http_channel *c = (struct http_channel *) data;
+ struct http_session *s = locate_session(c);
+ const char *status_message = "OK";
+ if (s)
+ {
+ session_log(s->psession, c->http_sessions->log_level,
+ "bytarget watch released");
+ bytarget_response(c, s, status_message);
+ release_session(c, s);
+ }
+ else
+ yaz_log(c->http_sessions->log_level,
+ "No Session found for released bytarget watch");
+}
+
+
+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");
+ const char *report = http_argbyname(rq, "report");
+ int report_error = 0;
+ int report_status = 0;
+ const char *status_message = "OK";
+ int no_active;
+
+ if (report && !strcmp("error", report))
+ report_error = 1;
+ if (report && !strcmp("status", report))
+ report_status = 1;
+
+ 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)
+ {
+ session_log(s->psession, YLOG_WARN, "Attempt to block "
+ "multiple times on bytarget block. Not supported!");
+ if (report_error)
+ {
+ error(rs, PAZPAR2_ALREADY_BLOCKED, "bytarget");
+ release_session(c, s);
+ return;
+ }
+ else if (report_status)
+ status_message = "WARNING (Already blocked on bytarget)";
+ else
+ session_log(s->psession, YLOG_WARN, "Ignoring bytarget block."
+ " Return current result.");
+ }
+ else
+ {
+ session_log(s->psession, c->http_sessions->log_level,
+ "Blocking on command bytarget");
+ release_session(c, s);
+ return;
+ }
+ }
+ bytarget_response(c, s, status_message);
+ release_session(c, s);
}
static void write_metadata(WRBUF w, struct conf_service *service,
- struct record_metadata **ml, int full)
+ struct record_metadata **ml, unsigned flags,
+ int indent)
{
int imeta;
{
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)
{
- wrbuf_printf(w, "\n<md-%s>", cmd->name);
+ struct record_metadata_attr *attr = md->attributes;
+ int i;
+ for (i = 0; i < indent; i++)
+ wrbuf_putc(w, ' ');
+ wrbuf_printf(w, "<md-%s", cmd->name);
+ for (; attr; attr = attr->next)
+ {
+ wrbuf_printf(w, " %s=\"", attr->name);
+ wrbuf_xmlputs(w, attr->value);
+ wrbuf_puts(w, "\"");
+ }
+ wrbuf_puts(w, ">");
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;
}
- wrbuf_printf(w, "</md-%s>", cmd->name);
+ wrbuf_printf(w, "</md-%s>\n", cmd->name);
}
}
}
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);
- wrbuf_puts(w, "<location id=\"");
- wrbuf_xmlputs(w, client_get_database(r->client)->database->url);
- wrbuf_puts(w, "\" ");
+ wrbuf_puts(w, " <location id=\"");
+ wrbuf_xmlputs(w, client_get_id(r->client));
+ wrbuf_puts(w, "\"\n");
- wrbuf_puts(w, "name=\"");
+ wrbuf_puts(w, " name=\"");
wrbuf_xmlputs(w, *name ? name : "Unknown");
- wrbuf_puts(w, "\">");
+ wrbuf_puts(w, "\" ");
+
+ wrbuf_puts(w, "checksum=\"");
+ wrbuf_printf(w, "%u", r->checksum);
+ wrbuf_puts(w, "\">\n");
- if (show_details)
- write_metadata(w, service, r->metadata, 1);
- wrbuf_puts(w, "</location>\n");
+ write_metadata(w, service, r->metadata, flags, indent);
+ wrbuf_puts(w, " </location>\n");
}
static void show_raw_record_error(void *data, const char *addinfo)
static void cmd_record_ready(void *data);
-static void cmd_record(struct http_channel *c)
+static void show_record(struct http_channel *c, struct http_session *s)
{
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 *r;
- struct conf_service *service = global_parameters.server->service;
+ struct record_cluster *rec, *prev_r, *next_r;
+ struct conf_service *service;
const char *idstr = http_argbyname(rq, "id");
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;
+ service = s->psession->service;
if (!idstr)
{
error(rs, PAZPAR2_MISSING_PARAMETER, "id");
return;
}
wrbuf_rewind(c->wrbuf);
- if (!(rec = show_single(s->psession, idstr)))
+ if (!(rec = show_single_start(s->psession, idstr, &prev_r, &next_r)))
{
- if (session_set_watch(s->psession, SESSION_WATCH_RECORD,
+ if (session_active_clients(s->psession) == 0)
+ {
+ error(rs, PAZPAR2_RECORD_MISSING, idstr);
+ }
+ else if (session_set_watch(s->psession, SESSION_WATCH_RECORD,
cmd_record_ready, c, c) != 0)
{
error(rs, PAZPAR2_RECORD_MISSING, idstr);
}
return;
}
- if (offsetstr)
+ if (offsetstr || checksumstr)
{
- int offset = atoi(offsetstr);
const char *syntax = http_argbyname(rq, "syntax");
const char *esn = http_argbyname(rq, "esn");
int i;
struct record*r = rec->records;
int binary = 0;
+ const char *nativesyntax = http_argbyname(rq, "nativesyntax");
if (binarystr && *binarystr != '0')
binary = 1;
- for (i = 0; i < offset && r; r = r->next, i++)
- ;
- if (!r)
+ if (checksumstr)
{
- error(rs, PAZPAR2_RECORD_FAIL, "no record at offset given");
- return;
+ unsigned v = strtoul(checksumstr, 0, 10);
+ for (i = 0; r; r = r->next)
+ if (v == r->checksum)
+ break;
+ if (!r)
+ error(rs, PAZPAR2_RECORD_FAIL, "no record");
}
else
{
- void *data2;
+ int offset = atoi(offsetstr);
+ for (i = 0; i < offset && r; r = r->next, i++)
+ ;
+ if (!r)
+ error(rs, PAZPAR2_RECORD_FAIL, "no record at offset given");
+ }
+ if (r)
+ {
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),
+ nativesyntax);
if (ret == -1)
{
http_remove_observer(obs);
error(rs, PAZPAR2_NO_SESSION, 0);
- return;
}
}
}
else
{
- wrbuf_puts(c->wrbuf, "<record>\n");
- wrbuf_puts(c->wrbuf, "<recid>");
+ struct record *r;
+ response_open_command(c, "record");
+ wrbuf_puts(c->wrbuf, "\n <recid>");
wrbuf_xmlputs(c->wrbuf, rec->recid);
wrbuf_puts(c->wrbuf, "</recid>\n");
- write_metadata(c->wrbuf, service, rec->metadata, 1);
+ 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, flags, 1);
for (r = rec->records; r; r = r->next)
- write_subrecord(r, c->wrbuf, service, 1);
- wrbuf_puts(c->wrbuf, "</record>\n");
- rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
- http_send_response(c);
+ write_subrecord(r, c->wrbuf, service, flags, 2);
+ response_close(c, "record");
}
+ show_single_stop(s->psession, rec);
}
static void cmd_record_ready(void *data)
{
struct http_channel *c = (struct http_channel *) data;
+ struct http_session *s = locate_session(c);
+ if (s)
+ {
+ session_log(s->psession, c->http_sessions->log_level,
+ "record watch released");
+ show_record(c, s);
+ release_session(c, s);
+ }
+}
- cmd_record(c);
+static void cmd_record(struct http_channel *c)
+{
+ struct http_session *s = locate_session(c);
+ if (s)
+ {
+ show_record(c, s);
+ release_session(c, s);
+ }
}
-static void show_records(struct http_channel *c, int active)
+
+static void show_records(struct http_channel *c, struct http_session *s,
+ int active)
{
struct http_request *rq = c->request;
struct http_response *rs = c->response;
- struct http_session *s = locate_session(rq, rs);
struct record_cluster **rl;
struct reclist_sortparms *sp;
- char *start = http_argbyname(rq, "start");
- char *num = http_argbyname(rq, "num");
- char *sort = http_argbyname(rq, "sort");
+ const char *start = http_argbyname(rq, "start");
+ 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;
int total;
- int total_hits;
+ Odr_int total_hits;
+ Odr_int approx_hits;
int i;
-
+ struct conf_service *service = 0;
if (!s)
return;
startn = atoi(start);
if (num)
numn = atoi(num);
+
+ service = s->psession->service;
if (!sort)
- sort = "relevance";
- if (!(sp = reclist_parse_sortparms(c->nmem, sort)))
+ sort = service->default_sort;
+ if (!(sp = reclist_parse_sortparms(c->nmem, sort, service)))
{
error(rs, PAZPAR2_MALFORMED_PARAMETER_VALUE, "sort");
return;
+
}
- rl = show(s->psession, sp, startn, &numn, &total, &total_hits, c->nmem);
+ rl = show_range_start(s->psession, sp, startn, &numn, &total,
+ &total_hits, &approx_hits, show_records_ready, c);
+ if (!rl)
+ return;
- wrbuf_rewind(c->wrbuf);
- wrbuf_puts(c->wrbuf, "<show>\n<status>OK</status>\n");
- wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", active);
+ response_open_ok(c, "show");
+ wrbuf_printf(c->wrbuf, "\n<activeclients>%d</activeclients>\n", active);
wrbuf_printf(c->wrbuf, "<merged>%d</merged>\n", total);
- wrbuf_printf(c->wrbuf, "<total>%d</total>\n", total_hits);
+ wrbuf_printf(c->wrbuf, "<total>" ODR_INT_PRINTF "</total>\n", total_hits);
+ if (version >= 2)
+ wrbuf_printf(c->wrbuf, "<approximation>" ODR_INT_PRINTF
+ "</approximation>\n", approx_hits);
+
wrbuf_printf(c->wrbuf, "<start>%d</start>\n", startn);
wrbuf_printf(c->wrbuf, "<num>%d</num>\n", numn);
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);
+ 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
- if (ccount > 1)
- wrbuf_printf(c->wrbuf, "<count>%d</count>\n", ccount);
- wrbuf_puts(c->wrbuf, "<recid>");
+ write_subrecord(p, c->wrbuf, service, flags, 2);
+ wrbuf_printf(c->wrbuf, " <count>%d</count>\n", ccount);
+ if (strstr(sort, "relevance"))
+ {
+ wrbuf_printf(c->wrbuf, " <relevance>%d</relevance>\n",
+ rec->relevance_score);
+ if (service->rank_debug)
+ {
+ wrbuf_printf(c->wrbuf, " <relevance_info>\n");
+ wrbuf_xmlputs(c->wrbuf, wrbuf_cstr(rec->relevance_explain1));
+ wrbuf_xmlputs(c->wrbuf, wrbuf_cstr(rec->relevance_explain2));
+ wrbuf_printf(c->wrbuf, " </relevance_info>\n");
+ }
+ }
+ wrbuf_puts(c->wrbuf, " <recid>");
wrbuf_xmlputs(c->wrbuf, rec->recid);
wrbuf_puts(c->wrbuf, "</recid>\n");
wrbuf_puts(c->wrbuf, "</hit>\n");
}
- wrbuf_puts(c->wrbuf, "</show>\n");
- rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
- http_send_response(c);
+ show_range_stop(s->psession, rl);
+
+ response_close(c, "show");
}
static void show_records_ready(void *data)
{
struct http_channel *c = (struct http_channel *) data;
-
- show_records(c, -1);
+ struct http_session *s = locate_session(c);
+ if (s)
+ {
+ session_log(s->psession, c->http_sessions->log_level,
+ "show watch released");
+ show_records(c, s, -1);
+ }
+ else {
+ /* some error message */
+ }
+ release_session(c, s);
}
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(rq, rs);
- char *block = http_argbyname(rq, "block");
+ struct http_session *s = locate_session(c);
+ const char *block = http_argbyname(rq, "block");
+ const char *sort = http_argbyname(rq, "sort");
+ const char *block_error = http_argbyname(rq, "report");
+ const char *mergekey = http_argbyname(rq, "mergekey");
+ const char *rank = http_argbyname(rq, "rank");
+ struct conf_service *service = 0;
+ struct reclist_sortparms *sp;
int status;
+ int report_error = 0;
+ if (block_error && !strcmp("1", block_error))
+ report_error = 1;
if (!s)
return;
+ service = s->psession->service;
+ if (!sort)
+ sort = service->default_sort;
+ if (!(sp = reclist_parse_sortparms(c->nmem, sort, service)))
+ {
+ error(c->response, PAZPAR2_MALFORMED_PARAMETER_VALUE, "sort");
+ release_session(c, s);
+ return;
+ }
+ session_sort(s->psession, sp, mergekey, rank);
status = session_active_clients(s->psession);
- if (block)
+ if (block && reclist_get_num_records(s->psession->reclist) == 0)
{
- if (status && (!s->psession->reclist || !s->psession->reclist->num_records))
+ 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)
+ {
+ session_log(s->psession, c->http_sessions->log_level,
+ "Blocking on command show (preferred targets)");
+ release_session(c, s);
+ return;
+ }
+ else
+ {
+ session_log(s->psession, YLOG_WARN, "Attempt to block"
+ " multiple times on show (preferred targets) block."
+ " Not supported!");
+ if (report_error)
+ {
+ error(rs, PAZPAR2_ALREADY_BLOCKED,
+ "show (preferred targets)");
+ release_session(c, s);
+ return;
+ }
+ else
+ session_log(s->psession, YLOG_WARN,
+ "Ignoring show(preferred) block."
+ " Returning current result");
+ }
+
+ }
+ 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(YLOG_DEBUG, "Blocking on cmd_show");
+ session_log(s->psession, YLOG_WARN, "Attempt to block"
+ " multiple times on show block. Not supported!");
+ if (report_error)
+ {
+ error(rs, PAZPAR2_ALREADY_BLOCKED, "show");
+ release_session(c, s);
+ return;
+ }
+ else
+ session_log(s->psession, YLOG_WARN, "Ignoring show block."
+ " Returning current result");
+ }
+ else
+ {
+ session_log(s->psession, c->http_sessions->log_level,
+ "Blocking on command show");
+ release_session(c, s);
+ return;
}
- return;
}
}
-
- show_records(c, status);
+ show_records(c, s, status);
+ release_session(c, s);
}
static void cmd_ping(struct http_channel *c)
{
- struct http_request *rq = c->request;
- struct http_response *rs = c->response;
- struct http_session *s = locate_session(rq, rs);
+ struct http_session *s = locate_session(c);
if (!s)
return;
- rs->payload = "<ping><status>OK</status></ping>";
- http_send_response(c);
-}
-
-static int utf_8_valid(const char *str)
-{
- yaz_iconv_t cd = yaz_iconv_open("utf-8", "utf-8");
- if (cd)
- {
- /* check that query is UTF-8 encoded */
- char *inbuf = (char *) str; /* we know iconv does not alter this */
- size_t inbytesleft = strlen(inbuf);
-
- size_t outbytesleft = strlen(inbuf) + 10;
- char *out = xmalloc(outbytesleft);
- char *outbuf = out;
- size_t r = yaz_iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
-
- /* if OK, try flushing the rest */
- if (r != (size_t) (-1))
- r = yaz_iconv(cd, 0, 0, &outbuf, &outbytesleft);
- yaz_iconv_close(cd);
- xfree(out);
- if (r == (size_t) (-1))
- return 0;
- }
- return 1;
+ response_open_ok(c, "ping");
+ response_close(c, "ping");
+ release_session(c, s);
}
static void cmd_search(struct http_channel *c)
{
struct http_request *rq = c->request;
struct http_response *rs = c->response;
- struct http_session *s = locate_session(rq, rs);
- char *query = http_argbyname(rq, "query");
- char *filter = http_argbyname(rq, "filter");
+ struct http_session *s = locate_session(c);
+ const char *query = http_argbyname(rq, "query");
+ const char *filter = http_argbyname(rq, "filter");
+ const char *maxrecs = http_argbyname(rq, "maxrecs");
+ const char *startrecs = http_argbyname(rq, "startrecs");
+ const char *limit = http_argbyname(rq, "limit");
+ const char *sort = http_argbyname(rq, "sort");
+ const char *mergekey = http_argbyname(rq, "mergekey");
+ 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;
if (!s)
return;
+
if (!query)
{
error(rs, PAZPAR2_MISSING_PARAMETER, "query");
+ release_session(c, s);
return;
}
- if (!utf_8_valid(query))
+ if (!yaz_utf8_check(query))
{
error(rs, PAZPAR2_MALFORMED_PARAMETER_ENCODING, "query");
+ release_session(c, s);
+ return;
+ }
+ service = s->psession->service;
+ if (!sort)
+ sort = service->default_sort;
+
+ if (!(sp = reclist_parse_sortparms(c->nmem, sort, s->psession->service)))
+ {
+ error(c->response, PAZPAR2_MALFORMED_PARAMETER_VALUE, "sort");
+ release_session(c, s);
return;
}
- code = search(s->psession, query, filter, &addinfo);
+
+ code = session_search(s->psession, query, startrecs, maxrecs, filter, limit,
+ &addinfo, &addinfo2, sp, mergekey, rank);
if (code)
{
- error(rs, code, addinfo);
+ error2(rs, code, addinfo, addinfo2);
+ release_session(c, s);
return;
}
- rs->payload = "<search><status>OK</status></search>";
- http_send_response(c);
+ response_open_ok(c, "search");
+ response_close(c, "search");
+ release_session(c, s);
}
static void cmd_stat(struct http_channel *c)
{
- struct http_request *rq = c->request;
- struct http_response *rs = c->response;
- struct http_session *s = locate_session(rq, rs);
+ struct http_session *s = locate_session(c);
struct statistics stat;
int clients;
+ float progress = 0;
+
if (!s)
return;
clients = session_active_clients(s->psession);
statistics(s->psession, &stat);
- wrbuf_rewind(c->wrbuf);
- wrbuf_puts(c->wrbuf, "<stat>");
- wrbuf_printf(c->wrbuf, "<activeclients>%d</activeclients>\n", clients);
- wrbuf_printf(c->wrbuf, "<hits>%d</hits>\n", stat.num_hits);
- wrbuf_printf(c->wrbuf, "<records>%d</records>\n", stat.num_records);
- wrbuf_printf(c->wrbuf, "<clients>%d</clients>\n", stat.num_clients);
- wrbuf_printf(c->wrbuf, "<unconnected>%d</unconnected>\n", stat.num_no_connection);
- wrbuf_printf(c->wrbuf, "<connecting>%d</connecting>\n", stat.num_connecting);
- wrbuf_printf(c->wrbuf, "<working>%d</working>\n", stat.num_working);
- 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_puts(c->wrbuf, "</stat>");
- rs->payload = nmem_strdup(c->nmem, wrbuf_cstr(c->wrbuf));
- http_send_response(c);
+ if (stat.num_clients > 0)
+ {
+ progress = (stat.num_clients - clients) / (float)stat.num_clients;
+ }
+
+ response_open_command(c, "stat");
+ wrbuf_printf(c->wrbuf, "\n <activeclients>%d</activeclients>\n", clients);
+ wrbuf_printf(c->wrbuf, " <hits>" ODR_INT_PRINTF "</hits>\n", stat.num_hits);
+ wrbuf_printf(c->wrbuf, " <records>%d</records>\n", stat.num_records);
+ wrbuf_printf(c->wrbuf, " <clients>%d</clients>\n", stat.num_clients);
+ wrbuf_printf(c->wrbuf, " <unconnected>%d</unconnected>\n", stat.num_no_connection);
+ wrbuf_printf(c->wrbuf, " <connecting>%d</connecting>\n", stat.num_connecting);
+ wrbuf_printf(c->wrbuf, " <working>%d</working>\n", stat.num_working);
+ 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);
+ response_close(c, "stat");
+ 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];
- struct http_response *rs = c->response;
+ char yaz_sha1_str[42];
- wrbuf_rewind(c->wrbuf);
- wrbuf_puts(c->wrbuf, "<info>\n");
- wrbuf_puts(c->wrbuf, " <version>\n");
- wrbuf_puts(c->wrbuf, "<pazpar2>");
+ response_open_command(c, "info");
+ wrbuf_puts(c->wrbuf, "\n <version>\n");
+ 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>");
+ wrbuf_puts(c->wrbuf, "</pazpar2>\n");
-
- yaz_version(yaz_version_str, 0);
+ yaz_version(yaz_version_str, yaz_sha1_str);
wrbuf_puts(c->wrbuf, " <yaz compiled=\"");
wrbuf_xmlputs(c->wrbuf, YAZ_VERSION);
+ wrbuf_puts(c->wrbuf, "\" sha1=\"");
+ wrbuf_xmlputs(c->wrbuf, yaz_sha1_str);
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));
- http_send_response(c);
+#if HAVE_UNISTD_H
+ {
+ char hostname_str[64];
+ if (gethostname(hostname_str, sizeof(hostname_str)) == 0)
+ {
+ wrbuf_puts(c->wrbuf, " <host>");
+ wrbuf_xmlputs(c->wrbuf, hostname_str);
+ wrbuf_puts(c->wrbuf, "</host>\n");
+ }
+ }
+#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");
}
struct {
{ "search", cmd_search },
{ "termlist", cmd_termlist },
{ "exit", cmd_exit },
+ { "session-status", cmd_session_status },
+ { "service", cmd_service },
{ "ping", cmd_ping },
{ "record", cmd_record },
{ "info", cmd_info },
+ { "stop", cmd_stop },
{0,0}
};
void http_command(struct http_channel *c)
{
- char *command = http_argbyname(c->request, "command");
+ const char *command = http_argbyname(c->request, "command");
struct http_response *rs = http_create_response(c);
int i;
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
+
projects / pazpar2-moved-to-github.git / blobdiff