* NT threaded server code by
* Chas Woodfield, Fretwell Downing Informatics.
*
- * $Id: statserv.c,v 1.20 2005-02-01 14:46:47 adam Exp $
+ * $Id: statserv.c,v 1.29 2005-03-14 11:14:21 adam Exp $
*/
/**
#if HAVE_XML2
#include <libxml/parser.h>
#include <libxml/tree.h>
+#include <libxml/xinclude.h>
#endif
#if YAZ_POSIX_THREADS
static IOCHAN pListener = NULL;
+static char gfs_root_dir[FILENAME_MAX+1];
static struct gfs_server *gfs_server_list = 0;
+static struct gfs_listen *gfs_listen_list = 0;
static NMEM gfs_nmem = 0;
static char *me = "statserver"; /* log prefix */
static char *programname="statserver"; /* full program name */
-#if YAZ_POSIX_THREADS
+#ifdef WIN32
+DWORD current_control_tls;
+static int init_control_tls = 0;
+#elif YAZ_POSIX_THREADS
static pthread_key_t current_control_tls;
static int init_control_tls = 0;
#else
"", /* PID fname */
0, /* background daemon */
"", /* SSL certificate filename */
- "", /* XML config filename */
+ "" /* XML config filename */
};
static int max_sessions = 0;
memcpy(&n->cb, &control_block, sizeof(control_block));
n->next = 0;
n->host = 0;
- n->port = 0;
+ n->listen_ref = 0;
+ n->cql_transform = 0;
+ n->server_node_ptr = 0;
+ n->directory = 0;
+ return n;
+}
+
+static struct gfs_listen * gfs_listen_new(const char *id,
+ const char *address)
+{
+ struct gfs_listen *n = nmem_malloc(gfs_nmem, sizeof(*n));
+ if (id)
+ n->id = nmem_strdup(gfs_nmem, id);
+ else
+ n->id = 0;
+ n->next = 0;
+ n->address = nmem_strdup(gfs_nmem, address);
return n;
}
+static void gfs_server_chdir(struct gfs_server *gfs)
+{
+ if (gfs_root_dir[0])
+ {
+ if (chdir(gfs_root_dir))
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "chdir %s", gfs_root_dir);
+ }
+ if (gfs->directory)
+ {
+ if (chdir(gfs->directory))
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "chdir %s",
+ gfs->directory);
+ }
+}
+
int control_association(association *assoc, const char *host, int force_open)
{
char vhost[128], *cp;
struct gfs_server *gfs;
for (gfs = gfs_server_list; gfs; gfs = gfs->next)
{
- int port_match = 0;
+ int listen_match = 0;
int host_match = 0;
if ( !gfs->host || (host && gfs->host && !strcmp(host, gfs->host)))
host_match = 1;
- if (assoc->client_chan->port == gfs->port)
- port_match= 1;
- if (port_match && host_match)
+ if (!gfs->listen_ref ||
+ gfs->listen_ref == assoc->client_chan->chan_id)
+ listen_match = 1;
+ if (listen_match && host_match)
{
if (force_open ||
(assoc->last_control != &gfs->cb && assoc->backend))
{
statserv_setcontrol(assoc->last_control);
if (assoc->backend && assoc->init)
+ {
+ gfs_server_chdir(gfs);
(assoc->last_control->bend_close)(assoc->backend);
+ }
assoc->backend = 0;
xfree(assoc->init);
assoc->init = 0;
}
+ assoc->cql_transform = gfs->cql_transform;
+ assoc->server_node_ptr = gfs->server_node_ptr;
assoc->last_control = &gfs->cb;
statserv_setcontrol(&gfs->cb);
+ gfs_server_chdir(gfs);
+ yaz_log(YLOG_DEBUG, "server select: %s", gfs->cb.configname);
return 1;
}
}
statserv_setcontrol(0);
assoc->last_control = 0;
+ assoc->cql_transform = 0;
+ assoc->server_node_ptr = 0;
+ yaz_log(YLOG_DEBUG, "server select: no match");
return 0;
}
else
{
statserv_setcontrol(&control_block);
assoc->last_control = &control_block;
+ assoc->cql_transform = 0;
+ assoc->server_node_ptr = 0;
+ yaz_log(YLOG_DEBUG, "server select: config=%s", control_block.configname);
return 1;
}
}
static void xml_config_read()
{
struct gfs_server **gfsp = &gfs_server_list;
+ struct gfs_listen **gfslp = &gfs_listen_list;
#if HAVE_XML2
xmlNodePtr ptr = xml_config_get_root();
return;
for (ptr = ptr->children; ptr; ptr = ptr->next)
{
- if (ptr->type == XML_ELEMENT_NODE &&
- !strcmp((const char *) ptr->name, "server"))
+ struct _xmlAttr *attr;
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ attr = ptr->properties;
+ if (!strcmp((const char *) ptr->name, "listen"))
+ {
+ /*
+ <listen id="listenerid">tcp:@:9999</listen>
+ */
+ const char *id = 0;
+ const char *address =
+ nmem_dup_xml_content(gfs_nmem, ptr->children);
+ for ( ; attr; attr = attr->next)
+ if (!strcmp(attr->name, "id")
+ && attr->children && attr->children->type == XML_TEXT_NODE)
+ id = nmem_dup_xml_content(gfs_nmem, attr->children);
+ if (address)
+ {
+ *gfslp = gfs_listen_new(id, address);
+ gfslp = &(*gfslp)->next;
+ *gfslp = 0; /* make listener list consistent for search */
+ }
+ }
+ else if (!strcmp((const char *) ptr->name, "server"))
{
- xmlNodePtr ptr_children = ptr->children;
+ xmlNodePtr ptr_server = ptr;
xmlNodePtr ptr;
-
+ const char *listenref = 0;
+ const char *id = 0;
+
+ for ( ; attr; attr = attr->next)
+ if (!strcmp(attr->name, "listenref") && attr->children &&
+ attr->children->type == XML_TEXT_NODE)
+ listenref = nmem_dup_xml_content(gfs_nmem, attr->children);
+ else if (!strcmp(attr->name, "id") && attr->children &&
+ attr->children->type == XML_TEXT_NODE)
+ id = nmem_dup_xml_content(gfs_nmem, attr->children);
+ else
+ yaz_log(YLOG_WARN, "Unknown attribute '%s' for server",
+ attr->name);
*gfsp = gfs_server_new();
- for (ptr = ptr_children; ptr; ptr = ptr->next)
+ (*gfsp)->server_node_ptr = ptr_server;
+ if (listenref)
+ {
+ int id_no;
+ struct gfs_listen *gl = gfs_listen_list;
+ for (id_no = 1; gl; gl = gl->next, id_no++)
+ if (gl->id && !strcmp(gl->id, listenref))
+ {
+ (*gfsp)->listen_ref = id_no;
+ break;
+ }
+ if (!gl)
+ yaz_log(YLOG_WARN, "Non-existent listenref '%s' in server "
+ "config element", listenref);
+ }
+ for (ptr = ptr_server->children; ptr; ptr = ptr->next)
{
- if (ptr->type == XML_ELEMENT_NODE &&
- !strcmp((const char *) ptr->name, "host"))
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) ptr->name, "host"))
{
(*gfsp)->host = nmem_dup_xml_content(gfs_nmem,
ptr->children);
}
- if (ptr->type == XML_ELEMENT_NODE &&
- !strcmp((const char *) ptr->name, "port"))
- {
- (*gfsp)->port = atoi(nmem_dup_xml_content(gfs_nmem,
- ptr->children));
- }
- if (ptr->type == XML_ELEMENT_NODE &&
- !strcmp((const char *) ptr->name, "config"))
+ else if (!strcmp((const char *) ptr->name, "config"))
{
strcpy((*gfsp)->cb.configname,
nmem_dup_xml_content(gfs_nmem, ptr->children));
}
+ else if (!strcmp((const char *) ptr->name, "cql2rpn"))
+ {
+ (*gfsp)->cql_transform = cql_transform_open_fname(
+ nmem_dup_xml_content(gfs_nmem, ptr->children)
+ );
+ }
+ else if (!strcmp((const char *) ptr->name, "directory"))
+ {
+ (*gfsp)->directory =
+ nmem_dup_xml_content(gfs_nmem, ptr->children);
+ }
}
gfsp = &(*gfsp)->next;
}
static void xml_config_open()
{
+ if (!getcwd(gfs_root_dir, FILENAME_MAX))
+ {
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "getcwd failed");
+ gfs_root_dir[0] = '\0';
+ }
+#ifdef WIN32
+ init_control_tls = 1;
+ current_control_tls = TlsAlloc();
+#elif YAZ_POSIX_THREADS
+ init_control_tls = 1;
+ pthread_key_create(¤t_control_tls, 0);
+#endif
+
gfs_nmem = nmem_create();
#if HAVE_XML2
if (control_block.xml_config[0] == '\0')
xml_config_doc = xmlParseFile(control_block.xml_config);
if (!xml_config_doc)
{
- yaz_log(YLOG_WARN, "Could not parse %s", control_block.xml_config);
- return ;
+ yaz_log(YLOG_FATAL, "Could not parse %s", control_block.xml_config);
+ exit(1);
+ }
+ else
+ {
+ int noSubstitutions = xmlXIncludeProcess(xml_config_doc);
+ if (noSubstitutions == -1)
+ {
+ yaz_log(YLOG_WARN, "XInclude processing failed for config %s",
+ control_block.xml_config);
+ exit(1);
+ }
}
}
xml_config_read();
-
#endif
}
#endif
gfs_server_list = 0;
nmem_destroy(gfs_nmem);
+#ifdef WIN32
+ if (init_control_tls)
+ TlsFree(current_control_tls);
+#elif YAZ_POSIX_THREADS
+ if (init_control_tls)
+ pthread_key_delete(current_control_tls);
+#endif
}
static void xml_config_add_listeners()
{
-#define MAX_PORTS 200
- struct gfs_server *gfs = gfs_server_list;
- int i, ports[MAX_PORTS];
- for (i = 0; i<MAX_PORTS; i++)
- ports[i] = 0;
+ struct gfs_listen *gfs = gfs_listen_list;
+ int id_no;
- for (; gfs; gfs = gfs->next)
- {
- int port = gfs->port;
- if (port)
- {
- for (i = 0; i<MAX_PORTS && ports[i] != port; i++)
- if (ports[i] == 0)
- {
- ports[i] = port;
- break;
- }
- }
- }
- for (i = 0; i<MAX_PORTS && ports[i]; i++)
+ for (id_no = 1; gfs; gfs = gfs->next, id_no++)
{
- char where[80];
- sprintf(where, "@:%d", ports[i]);
- add_listener(where, ports[i]);
+ if (gfs->address)
+ add_listener(gfs->address, id_no);
}
}
gfs->cb.configname);
statserv_setcontrol(&gfs->cb);
if (control_block.bend_start)
+ {
+ gfs_server_chdir(gfs);
(control_block.bend_start)(&gfs->cb);
+ }
}
}
else
if (control_block.bend_start)
(*control_block.bend_start)(&control_block);
}
-
}
static void xml_config_bend_stop()
static void listener(IOCHAN h, int event)
{
COMSTACK line = (COMSTACK) iochan_getdata(h);
+ IOCHAN parent_chan = line->user;
association *newas;
int res;
HANDLE newHandle;
yaz_log(YLOG_DEBUG, "Accept ok");
if (!(new_chan = iochan_create(cs_fileno(new_line), ir_session,
- EVENT_INPUT)))
+ EVENT_INPUT, parent_chan->chan_id)))
{
yaz_log(YLOG_FATAL, "Failed to create iochan");
iochan_destroy(h);
yaz_log(YLOG_DEBUG, "Creating association");
if (!(newas = create_association(new_chan, new_line,
- control_block.apdu_file)))
+ control_block.apdufile)))
{
yaz_log(YLOG_FATAL, "Failed to create new assoc.");
iochan_destroy(h);
iochan_destroy(p);
}
xml_config_close();
-#if YAZ_POSIX_THREADS
- pthread_key_delete(current_control_tls);
-#endif
}
void sigterm(int sig)
}
if (!(new_chan = iochan_create(cs_fileno(new_line), ir_session, mask,
- parent_chan->port)))
+ parent_chan->chan_id)))
{
yaz_log(YLOG_FATAL, "Failed to create iochan");
return 0;
statserv_options_block *statserv_getcontrol(void)
{
-#if YAZ_POSIX_THREADS
+#ifdef WIN32
+ if (init_control_tls)
+ return (statserv_options_block *) TlsGetValue(current_control_tls);
+ else
+ return &control_block;
+#elif YAZ_POSIX_THREADS
if (init_control_tls)
return pthread_getspecific(current_control_tls);
else
return &control_block;
#else
- return current_control_block;
+ if (current_control_block)
+ return current_control_block;
+ return &control_block;
#endif
}
void statserv_setcontrol(statserv_options_block *block)
{
-#if YAZ_POSIX_THREADS
+ chdir(gfs_root_dir);
+#ifdef WIN32
+ if (init_control_tls)
+ TlsSetValue(current_control_tls, block);
+#elif YAZ_POSIX_THREADS
if (init_control_tls)
pthread_setspecific(current_control_tls, block);
#else
if (control_block.options_func(argc, argv))
return 1;
-#if YAZ_POSIX_THREADS
- init_control_tls = 1;
- pthread_key_create(¤t_control_tls, 0);
-#endif
-
xml_config_open();
xml_config_bend_start();
bend_initresult *(*bend_init)(bend_initrequest *r),
void (*bend_close)(void *handle))
{
- control_block.bend_init = bend_init;
- control_block.bend_close = bend_close;
+ struct statserv_options_block *cb = &control_block;
+ cb->bend_init = bend_init;
+ cb->bend_close = bend_close;
/* Lets setup the Arg structure */
ArgDetails.argc = argc;
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