util::http::available (public)

 util::http::available [ -preference preference ] [ args... ]

Defined in packages/acs-tcl/tcl/http-client-procs.tcl

Return the preferred HTTP API among those available based on preference and OpenACS installation capabilities.

(defaults to "native curl") (optional)
decides which available implementation prefer in respective order. Choice is between 'native', based on ns_http api, available for NaviServer only and giving the best performances and 'curl', which wraps the command line utility (available on every system with curl installed).

Partial Call Graph (max 5 caller/called nodes):
%3 apm_transfer_file apm_transfer_file (private) util::http::available util::http::available apm_transfer_file->util::http::available util::http::request util::http::request (private) util::http::request->util::http::available acs::icanuse acs::icanuse (public) util::http::available->acs::icanuse util::which util::which (public) util::http::available->util::which

No testcase defined.
Source code:
    if {[llength $args] > 0} {
        ns_log warning "util::http::available: possible deprecated arguments specified ($args)"

    set preferred [lindex $preference 0]

    if {$preferred eq "native" && [acs::icanuse "ns_http results dict"]} {
        return "native"
    } elseif {[util::which curl] ne ""} {
        return "curl"
    } else {
        return ""
XQL Not present:
Generic, PostgreSQL, Oracle
[ hide source ] | [ make this the default ]
Show another procedure: