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Preface

Virtuoso Functions Guide

Administration
Aggregate Functions
Array Manipulation
BPEL APIs
Backup
Compression
Cursor
Date & Time Manipulation
Debug
Dictionary Manipulation
Encoding & Decoding
File Manipulation
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Miscellaneous
Number
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RDF data
Remote SQL Data Source
Replication
SOAP
SQL
String
Transaction
Type Mapping
UDDI
User Defined Types & The CLR
VAD
Virtuoso Java PL API
Virtuoso Server Extension Interface (VSEI)
Web & Internet
dav add & update fun...
dav lock manipulatio...
dav manipulation fun...
dav search functions
dav_exp
lfs_exp
serv_queue_top
urlrewrite_create_re...
user_key_load
vhost_define
vhost_remove
webdav users & group...
client_attr
connection_get
connection_id
connection_is_dirty
connection_set
connection_vars
connection_vars_set
dbname
ftp_get
ftp_ls
ftp_put
get_certificate_info
get_keyword
get_keyword_ucase
http
http_acl_get
http_acl_remove
http_acl_set
http_body_read
http_client
http_client_ext
http_client_ip
http_debug_log
http_enable_gz
http_file
http_flush
http_get
http_header
http_header_get
http_kill
http_listen_host
http_map_get
http_map_table
http_param
http_path
http_pending_req
http_physical_path
http_proxy
http_request_get
http_request_header
http_request_status
http_rewrite
http_root
http_url
http_value
http_xslt
ses_connect
ses_disconnect
ses_read_line
ses_write
tcpip_gethostbyaddr
tcpip_gethostbyname
vsp_calculate_digest
wsdl_import_udt
XML
XPATH & XQUERY

Functions Index

http_client_ip

Returns the IP address of the calling client.
varchar http_client_ip ([in what integer]);
Description

This function is used to determine the IP address or DNS name of the calling client.

Please note that this function is slow when resolving a DNS names. It is advisable to use IP addresses to to make applications faster.

Parameters
what – a flag designating what to return:
  • 0 - (default) : IP number of a client
  • 1 - DNS name if it can be resolved; if no reverse DNS record can be found then the IP number will be returned.
Return Types

By default, a string of the dotted IP address of the client user agent. If what=1 then the DNS name will be returned.

See Also

http, http_value, http_url, string_output, http_acl_get, http_rewrite.

Examples
Obtaining the Client IP Address
  <?vsp
    declare ip varchar;
    ip := http_client_ip ();
    http (sprintf ('<p>Your IP address is: %s</p>', ip));
  ?>