'\" t
.\" Title: ne_session_create
.\" Author:
.\" Generator: DocBook XSL Stylesheets vsnapshot
.\" Date: 29 January 2024
.\" Manual: neon API reference
.\" Source: neon 0.33.0
.\" Language: English
.\"
.TH "NE_SESSION_CREATE" "3" "29 January 2024" "neon 0.33.0" "neon API reference"
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.SH "NAME"
ne_session_create, ne_close_connection, ne_session_destroy \- set up HTTP sessions
.SH "SYNOPSIS"
.sp
.ft B
.nf
#include
.fi
.ft
.HP \w'ne_session\ *ne_session_create('u
.BI "ne_session *ne_session_create(const\ char\ *" "scheme" ", const\ char\ *" "hostname" ", unsigned\ int\ " "port" ");"
.HP \w'void\ ne_close_connection('u
.BI "void ne_close_connection(ne_session\ *" "session" ");"
.HP \w'void\ ne_session_destroy('u
.BI "void ne_session_destroy(ne_session\ *" "session" ");"
.SH "DESCRIPTION"
.PP
An
\fBne_session\fR
object represents an HTTP session \- a logical grouping of a sequence of HTTP requests made to a certain server\&. Any requests made using the session can use a persistent connection, share cached authentication credentials and any other common attributes\&.
.PP
A new HTTP session is created using the
\fBne_session_create\fR
function; the
\fIhostname\fR
and
\fIport\fR
parameters specify the origin server to use, along with the
\fIscheme\fR
(usually
"http")\&. Before the first use of
\fBne_session_create\fR
in a process,
ne_sock_init
must have been called to perform any global initialization needed by any libraries used by neon\&.
.PP
To enable SSL/TLS for the session, pass the string
"https"
as the
\fIscheme\fR
parameter, and either register a certificate verification function (see
ne_ssl_set_verify) or trust the appropriate certificate (see
ne_ssl_trust_cert,
ne_ssl_trust_default_ca)\&.
.PP
To use a proxy server for the session, it must be configured (see
ne_session_proxy) before any requests are created from session object\&.
.PP
Further per\-session options may be changed using the
ne_set_session_flag
interface\&.
.PP
If it is known that the session will not be used for a significant period of time,
\fBne_close_connection\fR
can be called to close the connection, if one remains open\&. Use of this function is entirely optional, but it must not be called if there is a request active using the session\&.
.PP
Once a session has been completed,
\fBne_session_destroy\fR
must be called to destroy the resources associated with the session\&. Any subsequent use of the session pointer produces undefined behaviour\&. The session object must not be destroyed until after all associated request objects have been destroyed\&.
.SH "NOTES"
.PP
The hostname passed to
\fBne_session_create\fR
is resolved when the first request using the session is dispatched; a DNS resolution failure can only be detected at that time (using the
NE_LOOKUP
error code); see
ne_request_dispatch
for details\&.
.SH "RETURN VALUES"
.PP
\fBne_session_create\fR
will return a pointer to a new session object (and never
NULL)\&.
.SH "EXAMPLES"
.PP
Create and destroy a session:
.sp
.if n \{\
.RS 4
.\}
.nf
ne_session *sess;
sess = ne_session_create("http", "host\&.example\&.com", 80);
/* \&.\&.\&. use sess \&.\&.\&. */
ne_session_destroy(sess);
.fi
.if n \{\
.RE
.\}
.SH "SEE ALSO"
.PP
ne_ssl_set_verify,
ne_ssl_trust_cert,
ne_sock_init,
ne_set_session_flag
.SH "AUTHOR"
.PP
\fBJoe Orton\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br