YAZ  5.34.0
Macros | Functions | Variables
statserv.c File Reference

Implements GFS logic. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <yaz/sc.h>
#include <yaz/tpath.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <libxml/xinclude.h>
#include <fcntl.h>
#include <signal.h>
#include <errno.h>
#include <yaz/comstack.h>
#include <yaz/tcpip.h>
#include <yaz/options.h>
#include <yaz/log.h>
#include "eventl.h"
#include "session.h"
#include <yaz/statserv.h>
#include <yaz/daemon.h>
#include <yaz/yaz-iconv.h>

Go to the source code of this file.

Macros

#define STAT_DEFAULT_LOG_LEVEL   "server,session,request"
 

Functions

int check_options (int argc, char **argv)
 
static void get_logbits (int force)
 
static int add_listener (char *where, int listen_id)
 
static xmlNodePtr xml_config_get_root (void)
 
static char * nmem_dup_xml_content (NMEM n, xmlNodePtr ptr)
 
static struct gfs_server * gfs_server_new (const char *id)
 
static struct gfs_listen * gfs_listen_new (const char *id, const char *address)
 
static void gfs_server_chdir (struct gfs_server *gfs)
 
int control_association (association *assoc, const char *host, int force_open)
 
static void xml_config_read (const char *base_path)
 
static int xml_config_open (void)
 
static void xml_config_close (void)
 
static int xml_config_add_listeners (void)
 
static void xml_config_bend_start (void)
 
static void xml_config_bend_stop (void)
 
static void remove_listeners (void)
 
void statserv_remove (IOCHAN pIOChannel)
 
static void statserv_closedown (void)
 
static void * new_session (void *vp)
 
static void listener (IOCHAN h, int event)
 
static void inetd_connection (int what)
 
static void catchchld (int num)
 
statserv_options_block * statserv_getcontrol (void)
 
void statserv_setcontrol (statserv_options_block *block)
 
static void statserv_reset (void)
 
static void normal_stop_handler (int num)
 
static void daemon_handler (void *data)
 
static void show_version (void)
 
static int statserv_sc_main (yaz_sc_t s, int argc, char **argv)
 
static void option_copy (char *dst, const char *src)
 
void statserv_sc_stop (yaz_sc_t s)
 
int statserv_main (int argc, char **argv, bend_initresult *(*bend_init)(bend_initrequest *r), void(*bend_close)(void *handle))
 

Variables

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"
 
static char * programname ="statserver"
 
static statserv_options_block * current_control_block = 0
 
statserv_options_block control_block
 
static int max_sessions = 0
 
static int logbits_set = 0
 
static int log_session = 0
 
static int log_sessiondetail = 0
 
static int log_server = 0
 
static xmlDocPtr xml_config_doc = 0
 
static int no_sessions = 0
 
static int sig_received = 0
 

Detailed Description

Implements GFS logic.

Definition in file statserv.c.

Macro Definition Documentation

◆ STAT_DEFAULT_LOG_LEVEL

#define STAT_DEFAULT_LOG_LEVEL   "server,session,request"

Definition at line 91 of file statserv.c.

Function Documentation

◆ add_listener()

static int add_listener ( char *  where,
int  listen_id 
)
static

Definition at line 1146 of file statserv.c.

References statserv_options_block::cert_fname, control_block, cs_bind, cs_close, cs_create_host(), cs_errno, cs_fileno, CS_SERVER, cs_set_ssl_certificate_file(), cs_strerror(), CSYSERR, statserv_options_block::dynamic, EVENT_EXCEPT, EVENT_INPUT, iochan_create(), iochan_setdata, listener(), log_server, iochan::next, pListener, statserv_options_block::threads, comstack::user, yaz_log(), YLOG_ERRNO, and YLOG_FATAL.

Referenced by check_options(), statserv_sc_main(), and xml_config_add_listeners().

◆ catchchld()

static void catchchld ( int  num)
static

Definition at line 1207 of file statserv.c.

Referenced by statserv_sc_main().

◆ check_options()

int check_options ( int  argc,
char **  argv 
)

Definition at line 1359 of file statserv.c.

References add_listener(), statserv_options_block::apdufile, statserv_options_block::background, statserv_options_block::cert_fname, statserv_options_block::configname, control_block, statserv_options_block::daemon_name, statserv_options_block::default_proto, statserv_options_block::dynamic, get_logbits(), statserv_options_block::idle_timeout, statserv_options_block::inetd, statserv_options_block::keepalive, statserv_options_block::logfile, max_sessions, statserv_options_block::maxrecordsize, me, statserv_options_block::one_shot, option_copy(), options(), statserv_options_block::pid_fname, PROTO_Z3950, statserv_options_block::setuid, show_version(), STAT_DEFAULT_LOG_LEVEL, statserv_options_block::threads, statserv_options_block::xml_config, yaz_log_init_file(), yaz_log_init_level(), yaz_log_init_max_size(), yaz_log_mask_str(), and yaz_log_time_format().

◆ control_association()

int control_association ( association *  assoc,
const char *  host,
int  force_open 
)

Definition at line 267 of file statserv.c.

References association::backend, statserv_options_block::bend_close, gfs_server::cb, iochan::chan_id, association::client_chan, association::client_link, statserv_options_block::configname, control_block, cs_set_max_recv_bytes(), gfs_server_chdir(), gfs_server_list, gfs_server::host, association::init, association::last_control, gfs_server::listen_ref, association::maximumRecordSize, statserv_options_block::maxrecordsize, gfs_server::next, association::preferredMessageSize, association::server, statserv_setcontrol(), xfree, statserv_options_block::xml_config, yaz_log(), and YLOG_DEBUG.

Referenced by process_http_request(), and process_initRequest().

◆ daemon_handler()

static void daemon_handler ( void *  data)
static

Definition at line 1266 of file statserv.c.

References iochan_event_loop(), pListener, and sig_received.

Referenced by statserv_sc_main().

◆ get_logbits()

static void get_logbits ( int  force)
static

get_logbits sets global loglevel bits

Definition at line 135 of file statserv.c.

References log_server, log_session, log_sessiondetail, logbits_set, and yaz_log_module_level().

Referenced by check_options().

◆ gfs_listen_new()

static struct gfs_listen* gfs_listen_new ( const char *  id,
const char *  address 
)
static

Definition at line 237 of file statserv.c.

References gfs_listen::address, gfs_nmem, gfs_listen::id, gfs_listen::next, nmem_malloc(), and nmem_strdup().

Referenced by xml_config_read().

◆ gfs_server_chdir()

static void gfs_server_chdir ( struct gfs_server *  gfs)
static

Definition at line 252 of file statserv.c.

References gfs_server::directory, gfs_root_dir, yaz_log(), YLOG_ERRNO, and YLOG_WARN.

Referenced by control_association(), and xml_config_bend_start().

◆ gfs_server_new()

static struct gfs_server* gfs_server_new ( const char *  id)
static

Definition at line 215 of file statserv.c.

References gfs_server::cb, gfs_server::ccl_transform, gfs_server::client_query_charset, control_block, gfs_server::cql_transform, gfs_server::directory, gfs_server::docpath, gfs_nmem, gfs_server::host, gfs_server::id, gfs_server::listen_ref, gfs_server::next, nmem_malloc(), nmem_strdup_null(), gfs_server::retrieval, gfs_server::server_node_ptr, gfs_server::stylesheet, and yaz_retrieval_create().

Referenced by xml_config_read().

◆ inetd_connection()

static void inetd_connection ( int  what)
static

Definition at line 1103 of file statserv.c.

References statserv_options_block::apdufile, control_block, create_association(), cs_addrstr, cs_createbysocket, cs_fileno, association::cs_get_mask, EVENT_INPUT, iochan_create(), iochan_setdata, iochan_settimeout, ir_session(), log_sessiondetail, iochan::next, pListener, tcpip_type(), yaz_log(), YLOG_ERRNO, and YLOG_FATAL.

Referenced by statserv_sc_main().

◆ listener()

static void listener ( IOCHAN  h,
int  event 
)
static

Definition at line 948 of file statserv.c.

References statserv_options_block::bend_stop, statserv_options_block::check_ip, control_block, cs_accept, cs_addrstr, cs_close, cs_listen_check, statserv_options_block::daemon_name, statserv_options_block::dynamic, EVENT_EXCEPT, EVENT_INPUT, EVENT_TIMEOUT, iochan_destroy, iochan_getdata, iochan_getnext, iochan_setflags, log_server, log_sessiondetail, me, new_session(), no_sessions, statserv_options_block::one_shot, pListener, remove_listeners(), statserv_options_block::threads, yaz_log(), yaz_log_init_prefix(), YLOG_ERRNO, YLOG_FATAL, and YLOG_WARN.

Referenced by add_listener().

◆ new_session()

static void * new_session ( void *  vp)
static

Definition at line 1038 of file statserv.c.

References statserv_options_block::apdufile, iochan::chan_id, control_block, create_association(), association::cs_accept_mask, cs_addrstr, cs_fileno, association::cs_get_mask, CS_WANT_READ, CS_WANT_WRITE, EVENT_INPUT, EVENT_OUTPUT, comstack::io_pending, iochan_create(), iochan_event_loop(), iochan_setdata, iochan_settimeout, ir_session(), log_session, mask, max_sessions, iochan::next, no_sessions, statserv_options_block::one_shot, pListener, statserv_options_block::threads, comstack::user, yaz_log(), yaz_log_xml_errors(), YLOG_FATAL, and YLOG_WARN.

Referenced by listener().

◆ nmem_dup_xml_content()

static char* nmem_dup_xml_content ( NMEM  n,
xmlNodePtr  ptr 
)
static

Definition at line 173 of file statserv.c.

References nmem_malloc(), and yaz_isspace.

Referenced by xml_config_read().

◆ normal_stop_handler()

static void normal_stop_handler ( int  num)
static

Definition at line 1260 of file statserv.c.

References sig_received.

Referenced by statserv_sc_main().

◆ option_copy()

static void option_copy ( char *  dst,
const char *  src 
)
static

Definition at line 1353 of file statserv.c.

References BEND_NAME_MAX.

Referenced by check_options().

◆ remove_listeners()

static void remove_listeners ( void  )
static

Definition at line 1198 of file statserv.c.

References iochan_destroy, iochan::next, and pListener.

Referenced by listener().

◆ show_version()

static void show_version ( void  )
static

Definition at line 1272 of file statserv.c.

References yaz_version(), YAZ_VERSION, and YAZ_VERSION_SHA1.

Referenced by check_options().

◆ statserv_closedown()

static void statserv_closedown ( void  )
static

Definition at line 932 of file statserv.c.

References iochan_destroy, iochan::next, pListener, xml_config_bend_stop(), and xml_config_close().

Referenced by statserv_sc_stop().

◆ statserv_getcontrol()

statserv_options_block* statserv_getcontrol ( void  )

Definition at line 1215 of file statserv.c.

References control_block, and current_control_block.

Referenced by destroy_association(), process_initRequest(), and srw_bend_init().

◆ statserv_main()

int statserv_main ( int  argc,
char **  argv,
bend_initresult *(*)(bend_initrequest *r)  bend_init,
void(*)(void *handle)  bend_close 
)

Definition at line 1504 of file statserv.c.

References bend_close(), statserv_options_block::bend_close, bend_init(), statserv_options_block::bend_init, control_block, statserv_sc_main(), statserv_sc_stop(), yaz_sc_create(), yaz_sc_destroy(), and yaz_sc_program().

Referenced by main().

◆ statserv_remove()

void statserv_remove ( IOCHAN  pIOChannel)

Definition at line 928 of file statserv.c.

Referenced by iochan_event_loop().

◆ statserv_reset()

static void statserv_reset ( void  )
static

Definition at line 1253 of file statserv.c.

Referenced by statserv_sc_stop().

◆ statserv_sc_main()

static int statserv_sc_main ( yaz_sc_t  s,
int  argc,
char **  argv 
)
static

Definition at line 1283 of file statserv.c.

References add_listener(), statserv_options_block::background, catchchld(), control_block, daemon_handler(), statserv_options_block::default_proto, statserv_options_block::dynamic, statserv_options_block::inetd, inetd_connection(), me, normal_stop_handler(), statserv_options_block::options_func, statserv_options_block::pid_fname, pListener, programname, statserv_options_block::setuid, sig_received, xml_config_add_listeners(), xml_config_bend_start(), xml_config_open(), yaz_daemon(), YAZ_DAEMON_FORK, yaz_log(), yaz_sc_running(), and YLOG_LOG.

Referenced by statserv_main().

◆ statserv_sc_stop()

void statserv_sc_stop ( yaz_sc_t  s)

Definition at line 1498 of file statserv.c.

References statserv_closedown(), and statserv_reset().

Referenced by statserv_main().

◆ statserv_setcontrol()

void statserv_setcontrol ( statserv_options_block *  block)

Definition at line 1235 of file statserv.c.

References current_control_block, gfs_root_dir, yaz_log(), YLOG_ERRNO, and YLOG_WARN.

Referenced by control_association(), xml_config_bend_start(), and xml_config_bend_stop().

◆ xml_config_add_listeners()

static int xml_config_add_listeners ( void  )
static

Definition at line 611 of file statserv.c.

References add_listener(), gfs_listen::address, gfs_listen_list, and gfs_listen::next.

Referenced by statserv_sc_main().

◆ xml_config_bend_start()

static void xml_config_bend_start ( void  )
static

Definition at line 625 of file statserv.c.

References statserv_options_block::bend_start, gfs_server::cb, statserv_options_block::configname, control_block, gfs_server_chdir(), gfs_server_list, gfs_server::next, statserv_setcontrol(), statserv_options_block::xml_config, yaz_log(), and YLOG_DEBUG.

Referenced by statserv_sc_main().

◆ xml_config_bend_stop()

static void xml_config_bend_stop ( void  )
static

Definition at line 651 of file statserv.c.

References statserv_options_block::bend_stop, gfs_server::cb, statserv_options_block::configname, control_block, gfs_server_list, gfs_server::next, statserv_setcontrol(), statserv_options_block::xml_config, yaz_log(), and YLOG_DEBUG.

Referenced by statserv_closedown().

◆ xml_config_close()

static void xml_config_close ( void  )
static

Definition at line 591 of file statserv.c.

References gfs_nmem, gfs_server_list, nmem_destroy(), and xml_config_doc.

Referenced by statserv_closedown().

◆ xml_config_get_root()

static xmlNodePtr xml_config_get_root ( void  )
static

Definition at line 154 of file statserv.c.

References control_block, statserv_options_block::xml_config, xml_config_doc, yaz_log(), and YLOG_WARN.

Referenced by xml_config_read().

◆ xml_config_open()

static int xml_config_open ( void  )
static

Definition at line 530 of file statserv.c.

References control_block, gfs_nmem, gfs_root_dir, nmem_create(), wrbuf_alloc(), wrbuf_cstr(), wrbuf_destroy(), wrbuf_write(), statserv_options_block::xml_config, xml_config_doc, xml_config_read(), yaz_log(), YLOG_ERRNO, YLOG_FATAL, and YLOG_WARN.

Referenced by statserv_sc_main().

◆ xml_config_read()

static void xml_config_read ( const char *  base_path)
static

Definition at line 343 of file statserv.c.

References gfs_server::cb, ccl_qual_file(), ccl_qual_mk(), gfs_server::ccl_transform, gfs_server::client_query_charset, statserv_options_block::configname, control_block, gfs_server::cql_transform, cql_transform_open_fname(), gfs_server::directory, gfs_server::docpath, gfs_listen_list, gfs_listen_new(), gfs_nmem, gfs_server_list, gfs_server_new(), gfs_server::host, gfs_listen::id, gfs_server::listen_ref, statserv_options_block::maxrecordsize, gfs_server::next, gfs_listen::next, nmem_dup_xml_content(), nmem_malloc(), nmem_strsplit(), gfs_server::retrieval, gfs_server::server_node_ptr, gfs_server::stylesheet, statserv_options_block::xml_config, xml_config_get_root(), yaz_filepath_resolve(), yaz_log(), yaz_retrieval_configure(), yaz_retrieval_get_error(), yaz_retrieval_set_path(), YLOG_ERRNO, YLOG_FATAL, and YLOG_WARN.

Referenced by xml_config_open().

Variable Documentation

◆ control_block

statserv_options_block control_block

Definition at line 94 of file statserv.c.

Referenced by add_listener(), check_options(), control_association(), gfs_server_new(), inetd_connection(), listener(), new_session(), statserv_getcontrol(), statserv_main(), statserv_sc_main(), xml_config_bend_start(), xml_config_bend_stop(), xml_config_get_root(), xml_config_open(), and xml_config_read().

◆ current_control_block

statserv_options_block* current_control_block = 0
static

Definition at line 85 of file statserv.c.

Referenced by statserv_getcontrol(), and statserv_setcontrol().

◆ gfs_listen_list

struct gfs_listen* gfs_listen_list = 0
static

Definition at line 73 of file statserv.c.

Referenced by xml_config_add_listeners(), and xml_config_read().

◆ gfs_nmem

NMEM gfs_nmem = 0
static

Definition at line 74 of file statserv.c.

Referenced by gfs_listen_new(), gfs_server_new(), xml_config_close(), xml_config_open(), and xml_config_read().

◆ gfs_root_dir

char gfs_root_dir[FILENAME_MAX+1]
static

Definition at line 71 of file statserv.c.

Referenced by gfs_server_chdir(), statserv_setcontrol(), and xml_config_open().

◆ gfs_server_list

struct gfs_server* gfs_server_list = 0
static

Definition at line 72 of file statserv.c.

Referenced by control_association(), xml_config_bend_start(), xml_config_bend_stop(), xml_config_close(), and xml_config_read().

◆ log_server

int log_server = 0
static

Definition at line 132 of file statserv.c.

Referenced by add_listener(), get_logbits(), and listener().

◆ log_session

int log_session = 0
static

Definition at line 130 of file statserv.c.

Referenced by get_logbits(), and new_session().

◆ log_sessiondetail

int log_sessiondetail = 0
static

Definition at line 131 of file statserv.c.

Referenced by get_logbits(), inetd_connection(), and listener().

◆ logbits_set

int logbits_set = 0
static

Definition at line 129 of file statserv.c.

Referenced by get_logbits().

◆ max_sessions

int max_sessions = 0
static

Definition at line 127 of file statserv.c.

Referenced by check_options(), and new_session().

◆ me

char* me = "statserver"
static

Definition at line 76 of file statserv.c.

Referenced by check_options(), listener(), and statserv_sc_main().

◆ no_sessions

int no_sessions = 0
static

Definition at line 945 of file statserv.c.

Referenced by listener(), and new_session().

◆ pListener

IOCHAN pListener = NULL
static

Definition at line 69 of file statserv.c.

Referenced by add_listener(), daemon_handler(), inetd_connection(), listener(), new_session(), remove_listeners(), statserv_closedown(), and statserv_sc_main().

◆ programname

char* programname ="statserver"
static

Definition at line 77 of file statserv.c.

Referenced by statserv_sc_main().

◆ sig_received

int sig_received = 0
static

Definition at line 1257 of file statserv.c.

Referenced by daemon_handler(), normal_stop_handler(), and statserv_sc_main().

◆ xml_config_doc

xmlDocPtr xml_config_doc = 0
static

Definition at line 150 of file statserv.c.

Referenced by xml_config_close(), xml_config_get_root(), and xml_config_open().

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