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];
sprintf(tmp_str, "session#%u", sesid);
r->psession = new_session(nmem, service, sesid);
r->session_id = sesid;
r->timestamp = 0;
r->nmem = nmem;
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);
yaz_log(http_sessions->log_level, "Session %u created. timeout chan=%p timeout=%d", sesid, r->timeout_iochan, service->session_timeout);
iochan_settimeout(r->timeout_iochan, service->session_timeout);
iochan_add(service->server->iochan_man, r->timeout_iochan);
http_session_use(1);
return r;
}
/** brief use the fd for something */
static void test_for_real_work(int no_threads)
{
int thread_fd;
sel_thread_t p = sel_thread_create(work_handler, work_destroy,
&thread_fd, no_threads);
YAZ_CHECK(p);
if (p)
{
iochan_man_t chan_man = iochan_man_create(10);
IOCHAN chan = iochan_create(thread_fd, iochan_handler,
EVENT_INPUT|EVENT_TIMEOUT, "test_chan");
iochan_settimeout(chan, 1);
iochan_setdata(chan, p);
iochan_add(chan_man, chan);
iochan_man_events(chan_man);
sel_thread_destroy(p);
iochan_man_destroy(&chan_man);
}
}
static void inetd_connection(int what)
{
COMSTACK line;
IOCHAN chan;
association *assoc;
char *addr;
if ((line = cs_createbysocket(0, tcpip_type, 0, what)))
{
if ((chan = iochan_create(cs_fileno(line), ir_session, EVENT_INPUT,
0)))
{
if ((assoc = create_association(chan, line,
control_block.apdufile)))
{
iochan_setdata(chan, assoc);
iochan_settimeout(chan, 60);
addr = cs_addrstr(line);
yaz_log(log_sessiondetail, "Inetd association from %s",
addr ? addr : "[UNKNOWN]");
assoc->cs_get_mask = EVENT_INPUT;
}
else
{
yaz_log(YLOG_FATAL, "Failed to create association structure");
}
chan->next = pListener;
pListener = chan;
}
else
{
yaz_log(YLOG_FATAL, "Failed to create iochan");
}
}
else
{
yaz_log(YLOG_ERRNO|YLOG_FATAL, "Failed to create comstack on socket 0");
}
}
static int connection_connect(struct connection *con, iochan_man_t iochan_man)
{
struct host *host = connection_get_host(con);
ZOOM_options zoptions = ZOOM_options_create();
const char *auth;
const char *charset;
const char *sru;
const char *sru_version = 0;
struct session_database *sdb = client_get_database(con->client);
const char *apdulog = session_setting_oneval(sdb, PZ_APDULOG);
assert(con);
ZOOM_options_set(zoptions, "async", "1");
ZOOM_options_set(zoptions, "implementationName", PACKAGE_NAME);
ZOOM_options_set(zoptions, "implementationVersion", VERSION);
if ((charset = session_setting_oneval(sdb, PZ_NEGOTIATION_CHARSET)))
ZOOM_options_set(zoptions, "charset", charset);
assert(host->ipport);
if (host->proxy)
{
yaz_log(YLOG_LOG, "proxy=%s", host->ipport);
ZOOM_options_set(zoptions, "proxy", host->ipport);
}
else
{
assert(host->tproxy);
yaz_log(YLOG_LOG, "tproxy=%s", host->ipport);
ZOOM_options_set(zoptions, "tproxy", host->ipport);
}
if (apdulog && *apdulog)
ZOOM_options_set(zoptions, "apdulog", apdulog);
if ((auth = session_setting_oneval(sdb, PZ_AUTHENTICATION)))
ZOOM_options_set(zoptions, "user", auth);
if ((sru = session_setting_oneval(sdb, PZ_SRU)) && *sru)
ZOOM_options_set(zoptions, "sru", sru);
if ((sru_version = session_setting_oneval(sdb, PZ_SRU_VERSION))
&& *sru_version)
ZOOM_options_set(zoptions, "sru_version", sru_version);
if (!(con->link = ZOOM_connection_create(zoptions)))
{
yaz_log(YLOG_FATAL|YLOG_ERRNO, "Failed to create ZOOM Connection");
ZOOM_options_destroy(zoptions);
return -1;
}
if (sru && *sru)
{
char http_hostport[512];
strcpy(http_hostport, "http://");
strcat(http_hostport, host->url);
yaz_log(YLOG_LOG, "SRU connect to : %s", http_hostport);
ZOOM_connection_connect(con->link, http_hostport, 0);
}
else
{
ZOOM_connection_connect(con->link, host->url, 0);
}
con->iochan = iochan_create(-1, connection_handler, 0, "connection_socket");
con->state = Conn_Connecting;
iochan_settimeout(con->iochan, con->operation_timeout);
iochan_setdata(con->iochan, con);
iochan_add(iochan_man, con->iochan);
client_set_state(con->client, Client_Connecting);
ZOOM_options_destroy(zoptions);
return 0;
}
static void non_block_events(struct connection *co)
{
int got_records = 0;
IOCHAN iochan = co->iochan;
ZOOM_connection link = co->link;
while (1)
{
struct client *cl = co->client;
int ev;
int r = ZOOM_event_nonblock(1, &link);
if (!r)
break;
if (!cl)
continue;
ev = ZOOM_connection_last_event(link);
#if 1
yaz_log(YLOG_DEBUG, "%p Connection ZOOM_EVENT_%s", co, ZOOM_get_event_str(ev));
#endif
switch (ev)
{
case ZOOM_EVENT_END:
{
const char *error, *addinfo;
int err;
if ((err = ZOOM_connection_error(link, &error, &addinfo)))
{
yaz_log(YLOG_LOG, "Error %s from %s",
error, client_get_id(cl));
client_set_diagnostic(cl, err, addinfo);
client_set_state(cl, Client_Error);
}
else
{
iochan_settimeout(iochan, co->session_timeout);
client_set_state(cl, Client_Idle);
}
yaz_cond_broadcast(co->host->cond_ready);
}
break;
case ZOOM_EVENT_SEND_DATA:
break;
case ZOOM_EVENT_RECV_DATA:
break;
case ZOOM_EVENT_UNKNOWN:
break;
case ZOOM_EVENT_SEND_APDU:
client_set_state(co->client, Client_Working);
iochan_settimeout(iochan, co->operation_timeout);
break;
case ZOOM_EVENT_RECV_APDU:
break;
case ZOOM_EVENT_CONNECT:
yaz_log(YLOG_LOG, "Connected to %s", client_get_id(cl));
co->state = Conn_Open;
break;
case ZOOM_EVENT_RECV_SEARCH:
client_search_response(cl);
break;
case ZOOM_EVENT_RECV_RECORD:
client_record_response(cl);
got_records = 1;
break;
default:
yaz_log(YLOG_LOG, "Unhandled event (%d) from %s",
ev, client_get_id(cl));
break;
}
}
if (got_records)
{
struct client *cl = co->client;
if (cl)
{
client_check_preferred_watch(cl);
client_got_records(cl);
}
}
}
static void *new_session(void *vp)
{
char *a;
association *newas;
IOCHAN new_chan;
COMSTACK new_line = (COMSTACK) vp;
IOCHAN parent_chan = (IOCHAN) new_line->user;
unsigned cs_get_mask, cs_accept_mask, mask =
((new_line->io_pending & CS_WANT_WRITE) ? EVENT_OUTPUT : 0) |
((new_line->io_pending & CS_WANT_READ) ? EVENT_INPUT : 0);
if (mask)
{
cs_accept_mask = mask; /* accept didn't complete */
cs_get_mask = 0;
}
else
{
cs_accept_mask = 0; /* accept completed. */
cs_get_mask = mask = EVENT_INPUT;
}
if (!(new_chan = iochan_create(cs_fileno(new_line), ir_session, mask,
parent_chan->chan_id)))
{
yaz_log(YLOG_FATAL, "Failed to create iochan");
return 0;
}
if (!(newas = create_association(new_chan, new_line,
control_block.apdufile)))
{
yaz_log(YLOG_FATAL, "Failed to create new assoc.");
return 0;
}
newas->cs_accept_mask = cs_accept_mask;
newas->cs_get_mask = cs_get_mask;
iochan_setdata(new_chan, newas);
iochan_settimeout(new_chan, 60);
#if 1
a = cs_addrstr(new_line);
#else
a = 0;
#endif
yaz_log_xml_errors(0, YLOG_WARN);
yaz_log(log_session, "Session - OK %d %s %ld",
no_sessions, a ? a : "[Unknown]", (long) getpid());
if (max_sessions && no_sessions >= max_sessions)
control_block.one_shot = 1;
if (control_block.threads)
{
iochan_event_loop(&new_chan);
}
else
{
new_chan->next = pListener;
pListener = new_chan;
}
return 0;
}
/* WIN32 listener */
static void listener(IOCHAN h, int event)
{
COMSTACK line = (COMSTACK) iochan_getdata(h);
IOCHAN parent_chan = line->user;
association *newas;
int res;
HANDLE newHandle;
if (event == EVENT_INPUT)
{
COMSTACK new_line;
IOCHAN new_chan;
if ((res = cs_listen(line, 0, 0)) < 0)
{
yaz_log(YLOG_FATAL|YLOG_ERRNO, "cs_listen failed");
return;
}
else if (res == 1)
return; /* incomplete */
yaz_log(YLOG_DEBUG, "listen ok");
new_line = cs_accept(line);
if (!new_line)
{
yaz_log(YLOG_FATAL, "Accept failed.");
return;
}
yaz_log(YLOG_DEBUG, "Accept ok");
if (!(new_chan = iochan_create(cs_fileno(new_line), ir_session,
EVENT_INPUT, parent_chan->chan_id)))
{
yaz_log(YLOG_FATAL, "Failed to create iochan");
iochan_destroy(h);
return;
}
yaz_log(YLOG_DEBUG, "Creating association");
if (!(newas = create_association(new_chan, new_line,
control_block.apdufile)))
{
yaz_log(YLOG_FATAL, "Failed to create new assoc.");
iochan_destroy(h);
return;
}
newas->cs_get_mask = EVENT_INPUT;
newas->cs_put_mask = 0;
newas->cs_accept_mask = 0;
yaz_log(YLOG_DEBUG, "Setting timeout %d", control_block.idle_timeout);
iochan_setdata(new_chan, newas);
iochan_settimeout(new_chan, 60);
/* Now what we need todo is create a new thread with this iochan as
the parameter */
newHandle = (HANDLE) _beginthread(event_loop_thread, 0, new_chan);
if (newHandle == (HANDLE) -1)
{
yaz_log(YLOG_FATAL|YLOG_ERRNO, "Failed to create new thread.");
iochan_destroy(h);
return;
}
/* We successfully created the thread, so add it to the list */
statserv_add(newHandle, new_chan);
yaz_log(YLOG_DEBUG, "Created new thread, id = %ld iochan %p",(long) newHandle, new_chan);
iochan_setflags(h, EVENT_INPUT | EVENT_EXCEPT); /* reset listener */
}
else
{
yaz_log(YLOG_FATAL, "Bad event on listener.");
iochan_destroy(h);
return;
}
}
