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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
Free Text
Hashing / Cryptographic
LDAP
Locale
Mail
Miscellaneous
Number
RDF data
Remote SQL Data Source
Replication
SOAP
SQL
String
Transaction
Type Mapping
UDDI
User Defined Types & The CLR
Virtuoso Java PL API
Virtuoso Server Extension Interface (VSEI)
Web Server & Internet
dav add & update fun...
dav lock manipulatio...
dav manipulation fun...
dav search functions
dav_exp
lfs_exp
serv_queue_top
urlrewrite_create_re...
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_proxy

proxy request to another host and return content to calling client
http_proxy (in host varchar, in header any, in content varchar);
Parameters
host – The fully-qualified host name or alias. If a target port is specified the semi-column ':' character MUST be used as the separator. ('www.foo.com:8080')
header – an array consisting of the HTTP request header lines. Warning: Each line MUST finish with <CR><LF> characters. This header lines will be sent to the target server without any conversion.
content – In the case of posting of forms this parameter can contain the form data as specified in HTML standards.
Description

This function is used to retrieve content from a foreign host and send the response to the HTTP client of the page calling this. This is useful for re-routing a request to another server in the middle of a VSP page.

Examples
Retrieving Current Path of Request
  <?vsp
    http_proxy ('www.foo.com', vector ('GET / HTTP/1.0'), null);
  ?>