messages.c File Reference

#include <crm_internal.h>
#include <stdio.h>
#include <sys/types.h>
#include <glib.h>
#include <libxml/tree.h>
#include <crm/msg_xml.h>
#include <crm/common/xml_internal.h>

Include dependency graph for messages.c:

Go to the source code of this file.

Functions
xmlNode *	create_request_adv (const char *task, xmlNode *msg_data, const char *host_to, const char *sys_to, const char *sys_from, const char *uuid_from, const char *origin)
	Create a Pacemaker request (for IPC or cluster layer) More...
xmlNode *	create_reply_adv (xmlNode *original_request, xmlNode *xml_response_data, const char *origin)
	Create a Pacemaker reply (for IPC or cluster layer) More...
xmlNode *	get_message_xml (xmlNode *msg, const char *field)
gboolean	add_message_xml (xmlNode *msg, const char *field, xmlNode *xml)
const char *	pcmk__message_name (const char *name)
	Get name to be used as identifier for cluster messages. More...

Function Documentation

add_message_xml()

gboolean add_message_xml	(	xmlNode *	msg,
		const char *	field,
		xmlNode *	xml
	)

Definition at line 162 of file messages.c.

create_reply_adv()

xmlNode* create_reply_adv	(	xmlNode *	original_request,
		xmlNode *	xml_response_data,
		const char *	origin
	)

Create a Pacemaker reply (for IPC or cluster layer)

Parameters

[in]	original_request	XML of request this is a reply to
[in]	xml_response_data	XML to copy as data section of reply
[in]	origin	Name of function that called this one

Returns

XML of new reply

Note

This function should not be called directly, but via the create_reply() wrapper.

The caller is responsible for freeing the result using free_xml().

Definition at line 102 of file messages.c.

create_request_adv()

xmlNode* create_request_adv	(	const char *	task,
		xmlNode *	msg_data,
		const char *	host_to,
		const char *	sys_to,
		const char *	sys_from,
		const char *	uuid_from,
		const char *	origin
	)

Create a Pacemaker request (for IPC or cluster layer)

Parameters

[in]	task	What to set as the request's task
[in]	msg_data	What to add as the request's data contents
[in]	host_to	What to set as the request's destination host
[in]	sys_to	What to set as the request's destination system
[in]	sys_from	If not NULL, set as request's origin system
[in]	uuid_from	If not NULL, use in request's origin system
[in]	origin	Name of function that called this one

Returns

XML of new request

Note

One of sys_from or uuid_from must be non-NULL

This function should not be called directly, but via the create_request() wrapper.

The caller is responsible for freeing the result using free_xml().

Definition at line 40 of file messages.c.

get_message_xml()

xmlNode* get_message_xml	(	xmlNode *	msg,
		const char *	field
	)

Definition at line 154 of file messages.c.

pcmk__message_name()

const char* pcmk__message_name

(

const char *

name

)

Get name to be used as identifier for cluster messages.

Parameters

[in]

name

Actual system name to check

Returns

Non-NULL cluster message identifier corresponding to name

Note

The Pacemaker daemons were renamed in version 2.0.0, but the old names must continue to be used as the identifier for cluster messages, so that mixed-version clusters are possible during a rolling upgrade.

Definition at line 182 of file messages.c.