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README
xHTTP_RPC Module
Ovidiu Sas
<osas@voipembedded.com>
Edited by
Ovidiu Sas
<osas@voipembedded.com>
Edited by
Alex Balashov
<abalashov@evaristesys.com>
Copyright © 2011 VoIPEmbedded Inc.
__________________________________________________________________
Table of Contents
1. Admin Guide
1. Overview
1.1. Limitations
2. Dependencies
2.1. Kamailio Modules
2.2. External Libraries or Applications
3. Parameters
3.1. xhttp_rpc_root (str)
3.2. xhttp_rpc_buf_size (str)
4. Functions
4.1. dispatch_xhttp_rpc()
List of Examples
1.1. Set xhttp_rpc_root parameter
1.2. Set xhttp_rpc_buf_size parameter
1.3. dispatch_xhttp_rpc usage
Chapter 1. Admin Guide
Table of Contents
1. Overview
1.1. Limitations
2. Dependencies
2.1. Kamailio Modules
2.2. External Libraries or Applications
3. Parameters
3.1. xhttp_rpc_root (str)
3.2. xhttp_rpc_buf_size (str)
4. Functions
4.1. dispatch_xhttp_rpc()
1. Overview
1.1. Limitations
This module provides an HTTP transport layer implementation for the RPC
management interface in a human-readable format.
The xHTTP_RPC module uses the xHTTP module to handle HTTP requests.
Read the documentation of the xHTTP module for more details.
1.1. Limitations
This module does not implement asynchronous RPC commands. It is
unlikely that asynchronous RPC commands will be executed from an RPC
web interface.
This module does not accept parameters embedded in a structure (see RPC
documentation for more info about how parameters can be passed to RPC).
At startup, all RPC commands are sorted and grouped based on their
format. The expected format is [group].[subcommand]. The initial
xhttp_rpc webpage displays all the retrieved groups. All RPC commands
are available as sub-menus of each [group]. If an RPC command is not in
the expected format, it will be dropped from the initial xhttp_rpc home
page menu.
2. Dependencies
2.1. Kamailio Modules
2.2. External Libraries or Applications
2.1. Kamailio Modules
The following modules must be loaded before this module:
* xhttp - xHTTP.
2.2. External Libraries or Applications
The following libraries or applications must be installed before
running Kamailio with this module loaded:
* None
3. Parameters
3.1. xhttp_rpc_root (str)
3.2. xhttp_rpc_buf_size (str)
3.1. xhttp_rpc_root (str)
It specifies the root path for RPC http requests. The link to the RPC
web interface must be constructed using the following patern:
http://[server_IP]:[tcp_port]/[xhttp_rpc_root]
Default value is "rpc".
Example 1.1. Set xhttp_rpc_root parameter
...
modparam("xhttp_rpc", "xhttp_rpc_root", "http_rpc")
...
3.2. xhttp_rpc_buf_size (str)
It specifies the maximum length of the buffer used to write in the RPC
reply information in order to build the HTML response.
Default value is 0 (auto set to 1/3 of the size of the configured pkg
mem).
Example 1.2. Set xhttp_rpc_buf_size parameter
...
modparam("xhttp", "xhttp_rpc_buf_size", )
...
4. Functions
4.1. dispatch_xhttp_rpc()
4.1. dispatch_xhttp_rpc()
Handle the HTTP request and generate a response.
Example 1.3. dispatch_xhttp_rpc usage
...
tcp_accept_no_cl=yes
...
loadmodule "sl.so"
loadmodule "xhttp.so"
loadmodule "xhttp_rpc.so"
...
modparam("xhttp_rpc", "xhttp_rpc_root", "http_rpc")
...
event_route[xhttp:request] {
$var(xhttp_rpc_root) = $(hu{s.substr,0,9});
if ($var(xhttp_rpc_root) == "/http_rpc")
dispatch_xhttp_rpc();
else
xhttp_reply("200", "OK", "text/html",
"<html><body>Wrong URL $hu</body></html>");
}
...