#include "asterisk.h"
#include <pjsip.h>
#include <pjsip_simple.h>
#include <pjlib.h>
#include "asterisk/module.h"
#include "asterisk/res_pjsip.h"
#include "asterisk/res_pjsip_pubsub.h"
#include "asterisk/res_pjsip_presence_xml.h"
#include "asterisk/res_pjsip_body_generator_types.h"

Include dependency graph for res_pjsip_pidf_body_generator.c:

Macros
#define	MAX_STRING_GROWTHS 5

Functions
static void	__reg_module (void)

static void	__unreg_module (void)

struct ast_module *	AST_MODULE_SELF_SYM (void)

static int	load_module (void)

static void *	pidf_allocate_body (void *data)

static int	pidf_generate_body_content (void body, void data)

static void	pidf_to_string (void body, struct ast_str *str)

static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "PJSIP Extension State PIDF Provider" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "30ef0c93b36035ec78c9cfd712d36d9b" , .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_CHANNEL_DEPEND, .requires = "res_pjsip,res_pjsip_pubsub", }

static const struct ast_module_info *	ast_module_info = &__mod_info

static struct ast_sip_pubsub_body_generator	pidf_body_generator

Macro Definition Documentation

◆ MAX_STRING_GROWTHS

#define MAX_STRING_GROWTHS 5

Definition at line 83 of file res_pjsip_pidf_body_generator.c.

Referenced by pidf_to_string().

Function Documentation

◆ __reg_module()

static void __reg_module ( void )

static

Definition at line 137 of file res_pjsip_pidf_body_generator.c.

◆ __unreg_module()

static void __unreg_module ( void )

static

Definition at line 137 of file res_pjsip_pidf_body_generator.c.

◆ AST_MODULE_SELF_SYM()

struct ast_module* AST_MODULE_SELF_SYM ( void )

Definition at line 137 of file res_pjsip_pidf_body_generator.c.

◆ load_module()

static int load_module ( void )

static

Definition at line 117 of file res_pjsip_pidf_body_generator.c.

References AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, and ast_sip_pubsub_register_body_generator().

Referenced by unload_module().

 {
    if (ast_sip_pubsub_register_body_generator(&pidf_body_generator)) {
       return AST_MODULE_LOAD_DECLINE;
    }
    return AST_MODULE_LOAD_SUCCESS;
 }

◆ pidf_allocate_body()

static void* pidf_allocate_body ( void * data )

static

Definition at line 38 of file res_pjsip_pidf_body_generator.c.

References ast_strdupa, ast_strip_quoted(), entity, ast_sip_exten_state_data::local, and ast_sip_exten_state_data::pool.

 {
    struct ast_sip_exten_state_data *state_data = data;
    char *local = ast_strdupa(state_data->local);
    pjpidf_pres *pres;
    pj_str_t entity;
 
    pres = pjpidf_create(state_data->pool, pj_cstr(&entity, ast_strip_quoted(local, "<", ">")));
 
    return pres;
 }

◆ pidf_generate_body_content()

static int pidf_generate_body_content	(	void *	body,
		void *	data
	)

static

Definition at line 50 of file res_pjsip_pidf_body_generator.c.

References ast_log, ast_sip_presence_exten_state_to_str(), ast_sip_sanitize_xml(), ast_sip_exten_state_data::exten, ast_sip_exten_state_data::exten_state, id, LOG_WARNING, NOTIFY_INUSE, NOTIFY_OPEN, NULL, ast_sip_exten_state_data::pool, priority, and ast_sip_exten_state_data::remote.

 {
    pjpidf_tuple *tuple;
    pj_str_t note, id, contact, priority;
    char *statestring = NULL, *pidfstate = NULL, *pidfnote = NULL;
    enum ast_sip_pidf_state local_state;
    char sanitized[PJSIP_MAX_URL_SIZE];
    pjpidf_pres *pres = body;
    struct ast_sip_exten_state_data *state_data = data;
 
    ast_sip_presence_exten_state_to_str(state_data->exten_state, &statestring,
          &pidfstate, &pidfnote, &local_state, 0);
 
    if (!pjpidf_pres_add_note(state_data->pool, pres, pj_cstr(&note, pidfnote))) {
       ast_log(LOG_WARNING, "Unable to add note to PIDF presence\n");
       return -1;
    }
 
    if (!(tuple = pjpidf_pres_add_tuple(state_data->pool, pres,
                pj_cstr(&id, state_data->exten)))) {
       ast_log(LOG_WARNING, "Unable to create PIDF tuple\n");
       return -1;
    }
 
    ast_sip_sanitize_xml(state_data->remote, sanitized, sizeof(sanitized));
    pjpidf_tuple_set_contact(state_data->pool, tuple, pj_cstr(&contact, sanitized));
    pjpidf_tuple_set_contact_prio(state_data->pool, tuple, pj_cstr(&priority, "1"));
    pjpidf_status_set_basic_open(pjpidf_tuple_get_status(tuple),
          local_state == NOTIFY_OPEN || local_state == NOTIFY_INUSE);
 
    return 0;
 }

◆ pidf_to_string()

static void pidf_to_string	(	void *	body,
		struct ast_str **	str
	)

static

Definition at line 85 of file res_pjsip_pidf_body_generator.c.

References ast_log, AST_PJSIP_XML_PROLOG_LEN, ast_str_buffer(), ast_str_make_space, ast_str_size(), ast_str_update(), LOG_WARNING, and MAX_STRING_GROWTHS.

 {
    pjpidf_pres *pres = body;
    int growths = 0;
    int size;
 
    do {
       size = pjpidf_print(pres, ast_str_buffer(*str), ast_str_size(*str) - 1);
       if (size <= AST_PJSIP_XML_PROLOG_LEN) {
          ast_str_make_space(str, ast_str_size(*str) * 2);
          ++growths;
       }
    } while (size <= AST_PJSIP_XML_PROLOG_LEN && growths < MAX_STRING_GROWTHS);
    if (size <= AST_PJSIP_XML_PROLOG_LEN) {
       ast_log(LOG_WARNING, "PIDF body text too large\n");
       return;
    }
 
    *(ast_str_buffer(*str) + size) = '\0';
    ast_str_update(*str);
 }

◆ unload_module()

static int unload_module ( void )

static

Definition at line 125 of file res_pjsip_pidf_body_generator.c.

References AST_MODFLAG_LOAD_ORDER, AST_MODPRI_CHANNEL_DEPEND, AST_MODULE_INFO(), AST_MODULE_SUPPORT_CORE, ast_sip_pubsub_unregister_body_generator(), ASTERISK_GPL_KEY, and load_module().

 {
    ast_sip_pubsub_unregister_body_generator(&pidf_body_generator);
    return 0;
 }

Variable Documentation

◆ __mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "PJSIP Extension State PIDF Provider" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "30ef0c93b36035ec78c9cfd712d36d9b" , .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_CHANNEL_DEPEND, .requires = "res_pjsip,res_pjsip_pubsub", }

static

Definition at line 137 of file res_pjsip_pidf_body_generator.c.