res_pjsip_notify.c File Reference

#include "asterisk.h"
#include <pjsip.h>
#include <pjsip_ua.h>
#include "asterisk/app.h"
#include "asterisk/cli.h"
#include "asterisk/config.h"
#include "asterisk/manager.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/res_pjsip.h"
#include "asterisk/res_pjsip_session.h"
#include "asterisk/sorcery.h"

Include dependency graph for res_pjsip_notify.c:

Go to the source code of this file.

Data Structures
struct	notify_cfg
struct	notify_channel_data
struct	notify_data
struct	notify_option
struct	notify_option_item
struct	notify_uri_data

Macros
#define	CONTENT_SIZE   512
#define	CONTENT_TYPE_SIZE   64

Typedefs
typedef struct notify_channel_data *(*	task_channel_data_create) (struct ast_sip_session *session, void *info)
typedef struct notify_data *(*	task_data_create) (struct ast_sip_endpoint *, void *info)
typedef struct notify_uri_data *(*	task_uri_data_create) (const char *uri, void *info)

Enumerations
enum	notify_result {   SUCCESS , INVALID_ENDPOINT , INVALID_CHANNEL , ALLOC_ERROR ,   TASK_PUSH_ERROR }
enum	notify_type { NOTIFY_ENDPOINT , NOTIFY_URI , NOTIFY_CHANNEL }

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
	AO2_GLOBAL_OBJ_STATIC (globals)
static int	app_notify (struct ast_channel *chan, const char *data)
	Application entry point to send a SIP notify to an endpoint. More...
struct ast_module *	AST_MODULE_SELF_SYM (void)
static void	build_ami_notify (pjsip_tx_data *tdata, void *info)
static void	build_cli_notify (pjsip_tx_data *tdata, void *info)
static void	build_notify (pjsip_tx_data *tdata, const char *name, const char *value, struct ast_str **content_type, struct ast_str **content)
static void	build_notify_body (pjsip_tx_data *tdata, struct ast_str *content_type, struct ast_str *content)
static char *	cli_complete_endpoint (const char *word)
static char *	cli_complete_notify (struct ast_cli_args *a)
static char *	cli_notify (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
	CONFIG_INFO_STANDARD (notify_cfg, globals, notify_cfg_alloc,.files=ACO_FILES(&module_conf))
static struct ast_variable *	headers_to_variables (const char *headers)
	Convert headers string such as "Event=hold&Event=answer&..." into ast variable list. More...
static int	load_module (void)
static int	manager_notify (struct mansession *s, const struct message *m)
static void	manager_notify_channel (struct mansession *s, const struct message *m, const char *channel)
static void	manager_notify_endpoint (struct mansession *s, const struct message *m, const char *endpoint_name)
static void	manager_notify_uri (struct mansession *s, const struct message *m, const char *uri)
static void	manager_send_response (struct mansession *s, const struct message *m, enum notify_type type, enum notify_result res, struct ast_variable *vars, const char *endpoint_name)
static int	multiple_headers_allowed (const char *name)
static int	not_allowed (const char *name)
static struct notify_channel_data *	notify_ami_channel_data_create (struct ast_sip_session *session, void *info)
static void	notify_ami_channel_data_destroy (void *obj)
static struct notify_data *	notify_ami_data_create (struct ast_sip_endpoint *endpoint, void *info)
static void	notify_ami_data_destroy (void *obj)
static struct notify_uri_data *	notify_ami_uri_data_create (const char *uri, void *info)
static void	notify_ami_uri_data_destroy (void *obj)
static void *	notify_cfg_alloc (void)
static void	notify_cfg_destroy (void *obj)
static int	notify_channel (void *obj)
static struct notify_channel_data *	notify_cli_channel_data_create (struct ast_sip_session *session, void *info)
static void	notify_cli_channel_data_destroy (void *obj)
static struct notify_data *	notify_cli_data_create (struct ast_sip_endpoint *endpoint, void *info)
static void	notify_cli_data_destroy (void *obj)
static struct notify_uri_data *	notify_cli_uri_data_create (const char *uri, void *info)
static void	notify_cli_uri_data_destroy (void *obj)
static int	notify_contact (void *obj, void *arg, int flags)
static int	notify_endpoint (void *obj)
static void *	notify_option_alloc (const char *category)
static int	notify_option_cmp (void *obj, void *arg, int flags)
static void	notify_option_destroy (void *obj)
static void *	notify_option_find (struct ao2_container *container, const char *category)
static int	notify_option_handler (const struct aco_option *opt, struct ast_variable *var, void *obj)
static int	notify_option_hash (const void *obj, int flags)
static int	notify_uri (void *obj)
static enum notify_result	push_notify (const char *endpoint_name, void *info, task_data_create data_create)
static enum notify_result	push_notify_channel (const char *channel_name, void *info, task_channel_data_create data_create)
static enum notify_result	push_notify_uri (const char *uri, void *info, task_uri_data_create data_create)
static int	reload_module (void)
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "CLI/AMI PJSIP NOTIFY Support" , .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 = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .reload = reload_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND, .requires = "res_pjsip", }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_cli_entry	cli_options []
static struct aco_file	module_conf
static const char	notify_config [] = "pjsip_notify.conf"
static struct aco_type	notify_option
static struct aco_type *	notify_options [] = ACO_TYPES(&notify_option)

Macro Definition Documentation

CONTENT_SIZE

#define CONTENT_SIZE   512

Definition at line 128 of file res_pjsip_notify.c.

CONTENT_TYPE_SIZE

#define CONTENT_TYPE_SIZE   64

Definition at line 127 of file res_pjsip_notify.c.

Typedef Documentation

task_channel_data_create

typedef struct notify_channel_data *(* task_channel_data_create) (struct ast_sip_session *session, void *info)

Definition at line 794 of file res_pjsip_notify.c.

task_data_create

typedef struct notify_data *(* task_data_create) (struct ast_sip_endpoint *, void *info)

Definition at line 794 of file res_pjsip_notify.c.

task_uri_data_create

typedef struct notify_uri_data *(* task_uri_data_create) (const char *uri, void *info)

Definition at line 794 of file res_pjsip_notify.c.

Enumeration Type Documentation

notify_result

enum notify_result

Enumerator
SUCCESS
INVALID_ENDPOINT
INVALID_CHANNEL
ALLOC_ERROR
TASK_PUSH_ERROR

Definition at line 825 of file res_pjsip_notify.c.

                   {
    SUCCESS,
    INVALID_ENDPOINT,
    INVALID_CHANNEL,
    ALLOC_ERROR,
    TASK_PUSH_ERROR
};

notify_type

enum notify_type

Enumerator
NOTIFY_ENDPOINT
NOTIFY_URI
NOTIFY_CHANNEL

Definition at line 1135 of file res_pjsip_notify.c.

                 {
    NOTIFY_ENDPOINT,
    NOTIFY_URI,
    NOTIFY_CHANNEL,
};

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 1444 of file res_pjsip_notify.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 1444 of file res_pjsip_notify.c.

AO2_GLOBAL_OBJ_STATIC()

AO2_GLOBAL_OBJ_STATIC

(

globals

)

app_notify()

static int app_notify ( struct ast_channel *  chan, const char *  data  )

static

Application entry point to send a SIP notify to an endpoint.

Definition at line 1335 of file res_pjsip_notify.c.

{
    RAII_VAR(struct notify_cfg *, cfg, NULL, ao2_cleanup);
    RAII_VAR(struct notify_option *, option, NULL, ao2_cleanup);
 
    struct ast_variable *varlist = NULL;
    char *tmp;
    int res;
    AST_DECLARE_APP_ARGS(args,
        AST_APP_ARG(to);
        AST_APP_ARG(headers);
    );
 
 
    if (ast_strlen_zero(data)) {
        ast_log(LOG_WARNING, "PJSIPNotify requires arguments (to, &header=...)\n");
        return -1;
    }
 
    tmp = ast_strdupa(data);
    AST_STANDARD_APP_ARGS(args, tmp);
    cfg = ao2_global_obj_ref(globals);
 
    if (!(option = notify_option_find(cfg->notify_options, args.headers))) {
        /* If the app is passed a list of headers, use the notify_ami_*_data_create
           functions as the option data is handled the same way as the ami command. */
        varlist = headers_to_variables(args.headers);
        if (ast_strlen_zero(args.to)) {
            res = push_notify_channel(ast_channel_name(chan), varlist, notify_ami_channel_data_create);
        } else {
            res = push_notify_uri(args.to, varlist, notify_ami_uri_data_create);
        }
    } else {
        /* If the app is passed a configured notify option, use the notify_cli_*_data_create
           functions as the option data is handled the same way as the cli command. */
        if (ast_strlen_zero(args.to)) {
            res = push_notify_channel(ast_channel_name(chan), option, notify_cli_channel_data_create);
        } else {
            res = push_notify_uri(args.to, option, notify_cli_uri_data_create);
        }
    }
 
    switch (res) {
        case INVALID_CHANNEL:
        case INVALID_ENDPOINT:
        case ALLOC_ERROR:
            res = -1;
            ast_variables_destroy(varlist);
            break;
        case TASK_PUSH_ERROR:
            /* Don't need to destroy vars since it is handled by cleanup in push_notify_channel */
            res = -1;
            break;
        case SUCCESS:
            res = 0;
            break;
    }
 
    return res;
}

References ALLOC_ERROR, ao2_cleanup, ao2_global_obj_ref, args, AST_APP_ARG, ast_channel_name(), AST_DECLARE_APP_ARGS, ast_log, AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), ast_variables_destroy(), globals, headers_to_variables(), INVALID_CHANNEL, INVALID_ENDPOINT, LOG_WARNING, notify_ami_channel_data_create(), notify_ami_uri_data_create(), notify_cli_channel_data_create(), notify_cli_uri_data_create(), notify_option_find(), NULL, push_notify_channel(), push_notify_uri(), RAII_VAR, SUCCESS, and TASK_PUSH_ERROR.

Referenced by load_module().

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 1444 of file res_pjsip_notify.c.

build_ami_notify()

static void build_ami_notify ( pjsip_tx_data *  tdata, void *  info  )

static

Definition at line 665 of file res_pjsip_notify.c.

{
    struct ast_variable *vars = info;
    RAII_VAR(struct ast_str *, content_type, NULL, ast_free);
    RAII_VAR(struct ast_str *, content, NULL, ast_free);
    struct ast_variable *i;
 
    for (i = vars; i; i = i->next) {
        if (!strcasecmp(i->name, "Content-Length")) {
            ast_log(LOG_NOTICE, "It is not necessary to specify Content-Length, ignoring.\n");
            continue;
        }
        build_notify(tdata, i->name, i->value,
                 &content_type, &content);
    }
 
    build_notify_body(tdata, content_type, content);
}

References ast_free, ast_log, build_notify(), build_notify_body(), sip_to_pjsip::info(), LOG_NOTICE, ast_variable::name, ast_variable::next, NULL, RAII_VAR, and ast_variable::value.

Referenced by notify_ami_channel_data_create(), notify_ami_data_create(), and notify_ami_uri_data_create().

build_cli_notify()

static void build_cli_notify ( pjsip_tx_data *  tdata, void *  info  )

static

Definition at line 641 of file res_pjsip_notify.c.

{
    struct notify_option *option = info;
    RAII_VAR(struct ast_str *, content_type, NULL, ast_free);
    RAII_VAR(struct ast_str *, content, NULL, ast_free);
 
    struct notify_option_item *item;
    struct ao2_iterator i = ao2_iterator_init(option->items, 0);
 
    while ((item = ao2_iterator_next(&i))) {
        build_notify(tdata, item->name, item->value,
                 &content_type, &content);
        ao2_cleanup(item);
    }
    ao2_iterator_destroy(&i);
 
    build_notify_body(tdata, content_type, content);
}

References ao2_cleanup, ao2_iterator_destroy(), ao2_iterator_init(), ao2_iterator_next, ast_free, build_notify(), build_notify_body(), sip_to_pjsip::info(), item, notify_option::items, aco_type::name, NULL, and RAII_VAR.

Referenced by notify_cli_channel_data_create(), notify_cli_data_create(), and notify_cli_uri_data_create().

build_notify()

static void build_notify ( pjsip_tx_data *  tdata, const char *  name, const char *  value, struct ast_str **  content_type, struct ast_str **  content  )

static

Definition at line 596 of file res_pjsip_notify.c.

{
    if (not_allowed(name)) {
        ast_log(LOG_WARNING, "Cannot specify %s header, "
            "ignoring\n", name);
        return;
    }
 
    if (!strcasecmp(name, "Content-type")) {
        if (!(*content_type)) {
            *content_type = ast_str_create(CONTENT_TYPE_SIZE);
        }
        ast_str_set(content_type, 0,"%s", value);
    } else if (!strcasecmp(name, "Content")) {
        if (!(*content)) {
            *content = ast_str_create(CONTENT_SIZE);
        }
 
        if (ast_str_strlen(*content)) {
            ast_str_append(content, 0, "\r\n");
        }
        ast_str_append(content, 0, "%s", value);
    } else {
        /* See if there is an existing one */
        if (!multiple_headers_allowed(name)) {
            pj_str_t hdr_name;
            pj_cstr(&hdr_name, name);
 
            if (pjsip_msg_find_hdr_by_name(tdata->msg, &hdr_name, NULL)) {
                ast_log(LOG_ERROR, "Only one '%s' header can be added to a NOTIFY, "
                        "ignoring \"%s: %s\"\n", name, name, value);
                return;
            }
        }
 
        ast_sip_add_header(tdata, name, value);
    }
}

References ast_log, ast_sip_add_header(), ast_str_append(), ast_str_create, ast_str_set(), ast_str_strlen(), CONTENT_SIZE, CONTENT_TYPE_SIZE, LOG_ERROR, LOG_WARNING, multiple_headers_allowed(), name, not_allowed(), NULL, and value.

Referenced by build_ami_notify(), and build_cli_notify().

build_notify_body()

static void build_notify_body ( pjsip_tx_data *  tdata, struct ast_str *  content_type, struct ast_str *  content  )

static

Definition at line 572 of file res_pjsip_notify.c.

{
    if (content_type) {
        char *p;
        struct ast_sip_body body;
 
        if (content) {
            body.body_text = ast_str_buffer(content);
        }
 
        body.type = ast_str_buffer(content_type);
        if ((p = strchr(body.type, '/'))) {
            *p++ = '\0';
            body.subtype = p;
        }
        ast_sip_add_body(tdata, &body);
    }
}

References ast_sip_add_body(), ast_str_buffer(), ast_sip_body::body_text, ast_sip_body::subtype, and ast_sip_body::type.

Referenced by build_ami_notify(), and build_cli_notify().

cli_complete_endpoint()

static char * cli_complete_endpoint ( const char *  word )

static

Definition at line 956 of file res_pjsip_notify.c.

{
    int wordlen = strlen(word);
    struct ao2_container * endpoints;
    struct ast_sip_endpoint *endpoint;
    struct ao2_iterator i;
 
    endpoints = ast_sorcery_retrieve_by_prefix(ast_sip_get_sorcery(),
        "endpoint", word, wordlen);
    if (endpoints == NULL) {
        return NULL;
    }
 
    i = ao2_iterator_init(endpoints, 0);
    while ((endpoint = ao2_iterator_next(&i))) {
        ast_cli_completion_add(
            ast_strdup(ast_sorcery_object_get_id(endpoint)));
        ao2_cleanup(endpoint);
    }
    ao2_iterator_destroy(&i);
 
    ao2_ref(endpoints, -1);
 
    return NULL;
}

References ao2_cleanup, ao2_iterator_destroy(), ao2_iterator_init(), ao2_iterator_next, ao2_ref, ast_cli_completion_add(), ast_sip_get_sorcery(), ast_sorcery_object_get_id(), ast_sorcery_retrieve_by_prefix(), ast_strdup, endpoints, and NULL.

Referenced by cli_complete_notify().

cli_complete_notify()

static char * cli_complete_notify ( struct ast_cli_args *  a )

static

Definition at line 986 of file res_pjsip_notify.c.

{
    char *c = NULL;
 
    if (a->pos == 3) {
        int which = 0;
        int wordlen = strlen(a->word);
 
        RAII_VAR(struct notify_cfg *, cfg,
             ao2_global_obj_ref(globals), ao2_cleanup);
        struct notify_option *option;
 
        /* do completion for notify type */
        struct ao2_iterator i = ao2_iterator_init(cfg->notify_options, 0);
        while ((option = ao2_iterator_next(&i))) {
            if (!strncasecmp(a->word, option->name, wordlen) && ++which > a->n) {
                c = ast_strdup(option->name);
            }
 
            ao2_cleanup(option);
            if (c) {
                break;
            }
        }
        ao2_iterator_destroy(&i);
        return c;
    }
 
    if (a->pos == 4) {
        int wordlen = strlen(a->word);
 
        if (ast_strlen_zero(a->word)) {
            if (a->n == 0) {
                c = ast_strdup("endpoint");
            } else if (a->n == 1) {
                c = ast_strdup("uri");
            } else if (a->n == 2) {
                c = ast_strdup("channel");
            }
        } else if (a->n == 0) {
            if (!strncasecmp(a->word, "endpoint", wordlen)) {
                c = ast_strdup("endpoint");
            } else if (!strncasecmp(a->word, "uri", wordlen)) {
                c = ast_strdup("uri");
            } else if (!strncasecmp(a->word, "channel", wordlen)) {
                c = ast_strdup("channel");
            }
        }
 
        return c;
    }
 
    if (a->pos > 4) {
        if (!strcasecmp(a->argv[4], "endpoint")) {
            return cli_complete_endpoint(a->word);
        } else if (!strcasecmp(a->argv[4], "channel")) {
            return ast_complete_channels(a->line, a->word, a->pos, a->n, 5);
        }
    }
    return NULL;
}

References a, ao2_cleanup, ao2_global_obj_ref, ao2_iterator_destroy(), ao2_iterator_init(), ao2_iterator_next, ast_complete_channels(), ast_strdup, ast_strlen_zero(), c, cli_complete_endpoint(), globals, notify_option::name, NULL, and RAII_VAR.

Referenced by cli_notify().

cli_notify()

static char * cli_notify ( struct ast_cli_entry *  e, int  cmd, struct ast_cli_args *  a  )

static

Definition at line 1056 of file res_pjsip_notify.c.

{
    RAII_VAR(struct notify_cfg *, cfg, NULL, ao2_cleanup);
    RAII_VAR(struct notify_option *, option, NULL, ao2_cleanup);
 
    int i;
    int using_uri = 0;
    int using_channel = 0;
 
    switch (cmd) {
    case CLI_INIT:
        e->command = "pjsip send notify";
        e->usage =
            "Usage: pjsip send notify <type> {endpoint|uri|channel} <peer> [<peer>...]\n"
            "       Send a NOTIFY request to an endpoint\n"
            "       Message types are defined in pjsip_notify.conf\n";
        return NULL;
    case CLI_GENERATE:
        return cli_complete_notify(a);
    }
 
    if (a->argc < 6) {
        return CLI_SHOWUSAGE;
    }
 
    if (!strcasecmp(a->argv[4], "uri")) {
        using_uri = 1;
    } else if (!strcasecmp(a->argv[4], "channel")) {
        using_channel = 1;
    } else if (strcasecmp(a->argv[4], "endpoint")) {
        return CLI_SHOWUSAGE;
    }
 
    cfg = ao2_global_obj_ref(globals);
 
    if (!(option = notify_option_find(cfg->notify_options, a->argv[3])))
    {
        ast_cli(a->fd, "Unable to find notify type '%s'\n",
            a->argv[3]);
        return CLI_FAILURE;
    }
 
    for (i = 5; i < a->argc; ++i) {
        enum notify_result result;
        ast_cli(a->fd, "Sending NOTIFY of type '%s' to '%s'\n",
            a->argv[3], a->argv[i]);
 
        if (using_uri) {
            result = push_notify_uri(a->argv[i], option, notify_cli_uri_data_create);
        } else if (using_channel) {
            result = push_notify_channel(a->argv[i], option, notify_cli_channel_data_create);
        } else {
            result = push_notify(a->argv[i], option, notify_cli_data_create);
        }
        switch(result) {
        case INVALID_ENDPOINT:
            ast_cli(a->fd, "Unable to retrieve endpoint %s\n", a->argv[i]);
            break;
        case INVALID_CHANNEL:
            ast_cli(a->fd, "Unable to find channel %s\n", a->argv[i]);
            break;
        case ALLOC_ERROR:
            ast_cli(a->fd, "Unable to allocate NOTIFY task data\n");
            return CLI_FAILURE;
        case TASK_PUSH_ERROR:
            ast_cli(a->fd, "Unable to push NOTIFY task\n");
            return CLI_FAILURE;
        default:
            break;
        }
    }
 
    return CLI_SUCCESS;
}

References a, ALLOC_ERROR, ao2_cleanup, ao2_global_obj_ref, ast_cli(), cli_complete_notify(), CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, globals, INVALID_CHANNEL, INVALID_ENDPOINT, notify_cli_channel_data_create(), notify_cli_data_create(), notify_cli_uri_data_create(), notify_option_find(), NULL, push_notify(), push_notify_channel(), push_notify_uri(), RAII_VAR, result, TASK_PUSH_ERROR, and ast_cli_entry::usage.

CONFIG_INFO_STANDARD()

CONFIG_INFO_STANDARD	(	notify_cfg	,
		globals	,
		notify_cfg_alloc	,
		.	files = ACO_FILES(&module_conf)
	)

headers_to_variables()

static struct ast_variable * headers_to_variables ( const char *  headers )

static

Convert headers string such as "Event=hold&Event=answer&..." into ast variable list.

Definition at line 1307 of file res_pjsip_notify.c.

{
    struct ast_variable *varlist = NULL;
    struct ast_variable *var;
    char *cur;
    char *header;
 
    cur = (char *)headers;
 
    while( (header = strsep(&cur, "&")) ) {
        char *name;
        char *value;
 
        name = value = header;
        strsep(&value, "=");
 
        if (!value || ast_strlen_zero(name)) {
            continue;
        }
 
        var = ast_variable_new(name, value, "");
        var->next = varlist;
        varlist = var;
    }
    return varlist;
}

References ast_strlen_zero(), ast_variable_new, name, NULL, strsep(), value, and var.

Referenced by app_notify().

load_module()

static int load_module ( void  )

static

Definition at line 1396 of file res_pjsip_notify.c.

{
    if (aco_info_init(&notify_cfg)) {
        return AST_MODULE_LOAD_DECLINE;
    }
 
    aco_option_register_custom(&notify_cfg, "", ACO_PREFIX, notify_options,
                   "", notify_option_handler, 0);
 
    if (aco_process_config(&notify_cfg, 0)) {
        aco_info_destroy(&notify_cfg);
        return AST_MODULE_LOAD_DECLINE;
    }
 
    ast_cli_register_multiple(cli_options, ARRAY_LEN(cli_options));
    ast_manager_register_xml("PJSIPNotify", EVENT_FLAG_SYSTEM, manager_notify);
    ast_register_application_xml("PJSIPNotify", app_notify);
 
    return AST_MODULE_LOAD_SUCCESS;
}

References aco_info_destroy(), aco_info_init(), aco_option_register_custom, ACO_PREFIX, aco_process_config(), app_notify(), ARRAY_LEN, ast_cli_register_multiple, ast_manager_register_xml, AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, ast_register_application_xml, cli_options, EVENT_FLAG_SYSTEM, manager_notify(), notify_option_handler(), and notify_options.

manager_notify()

static int manager_notify ( struct mansession *  s, const struct message *  m  )

static

Definition at line 1264 of file res_pjsip_notify.c.

{
    const char *endpoint_name = astman_get_header(m, "Endpoint");
    const char *uri = astman_get_header(m, "URI");
    const char *channel = astman_get_header(m, "Channel");
    const char *variables = astman_get_header(m, "Variable");
    const char *option = astman_get_header(m, "Option");
    int count = 0;
 
    if (!ast_strlen_zero(endpoint_name)) {
        ++count;
    }
    if (!ast_strlen_zero(uri)) {
        ++count;
    }
    if (!ast_strlen_zero(channel)) {
        ++count;
    }
 
    if ((!ast_strlen_zero(option) && !ast_strlen_zero(variables)) || (ast_strlen_zero(option) && ast_strlen_zero(variables))) {
        astman_send_error(s, m,
            "PJSIPNotify requires either an Option or Variable(s)."
            "You must use only one of them.");
    } else if (1 < count) {
        astman_send_error(s, m,
            "PJSIPNotify requires either an endpoint name, a SIP URI, or a channel.  "
            "You must use only one of them.");
    } else if (!ast_strlen_zero(endpoint_name)) {
        manager_notify_endpoint(s, m, endpoint_name);
    } else if (!ast_strlen_zero(uri)) {
        manager_notify_uri(s, m, uri);
    } else if (!ast_strlen_zero(channel)) {
        manager_notify_channel(s, m, channel);
    } else {
        astman_send_error(s, m,
            "PJSIPNotify requires either an endpoint name, a SIP URI, or a channel.");
    }
 
    return 0;
}

References ast_strlen_zero(), astman_get_header(), astman_send_error(), manager_notify_channel(), manager_notify_endpoint(), and manager_notify_uri().

Referenced by load_module().

manager_notify_channel()

static void manager_notify_channel ( struct mansession *  s, const struct message *  m, const char *  channel  )

static

Definition at line 1248 of file res_pjsip_notify.c.

{
    enum notify_result res;
    struct ast_variable *vars = NULL;
 
    vars = astman_get_variables_order(m, ORDER_NATURAL);
    res = push_notify_channel(channel, vars, notify_ami_channel_data_create);
 
    manager_send_response(s, m, NOTIFY_CHANNEL, res, vars, NULL);
}

References astman_get_variables_order(), manager_send_response(), notify_ami_channel_data_create(), NOTIFY_CHANNEL, NULL, ORDER_NATURAL, and push_notify_channel().

Referenced by manager_notify().

manager_notify_endpoint()

static void manager_notify_endpoint ( struct mansession *  s, const struct message *  m, const char *  endpoint_name  )

static

Definition at line 1180 of file res_pjsip_notify.c.

{
    RAII_VAR(struct notify_cfg *, cfg, NULL, ao2_cleanup);
    RAII_VAR(struct notify_option *, option, NULL, ao2_cleanup);
    struct ast_variable *vars = NULL;
    enum notify_result res;
    const char *option_name = astman_get_header(m, "Option");
 
    if (!ast_strlen_zero(option_name) && (cfg = ao2_global_obj_ref(globals)) && !(option = notify_option_find(cfg->notify_options, option_name))) {
        astman_send_error_va(s, m, "Unable to find notify type '%s'\n", option_name);
        return;
    }
    if (!option) {
        vars = astman_get_variables_order(m, ORDER_NATURAL);
    }
 
    if (!strncasecmp(endpoint_name, "sip/", 4)) {
        endpoint_name += 4;
    }
 
    if (!strncasecmp(endpoint_name, "pjsip/", 6)) {
        endpoint_name += 6;
    }
 
    if (option) {
        res = push_notify(endpoint_name, option, notify_cli_data_create); /* The CLI version happens to be suitable for options. */
    } else {
        res = push_notify(endpoint_name, vars, notify_ami_data_create);
    }
 
    manager_send_response(s, m, NOTIFY_ENDPOINT, res, vars, endpoint_name);
}

References ao2_cleanup, ao2_global_obj_ref, ast_strlen_zero(), astman_get_header(), astman_get_variables_order(), astman_send_error_va(), globals, manager_send_response(), notify_ami_data_create(), notify_cli_data_create(), NOTIFY_ENDPOINT, notify_option_find(), NULL, ORDER_NATURAL, push_notify(), and RAII_VAR.

Referenced by manager_notify().

manager_notify_uri()

static void manager_notify_uri ( struct mansession *  s, const struct message *  m, const char *  uri  )

static

Definition at line 1218 of file res_pjsip_notify.c.

{
    RAII_VAR(struct notify_cfg *, cfg, NULL, ao2_cleanup);
    RAII_VAR(struct notify_option *, option, NULL, ao2_cleanup);
    enum notify_result res;
    const char *option_name = astman_get_header(m, "Option");
    struct ast_variable *vars = NULL;
 
    if (!ast_strlen_zero(option_name) && (cfg = ao2_global_obj_ref(globals)) && !(option = notify_option_find(cfg->notify_options, option_name))) {
        astman_send_error_va(s, m, "Unable to find notify type '%s'\n", option_name);
        return;
    }
    if (!option) {
        vars = astman_get_variables_order(m, ORDER_NATURAL);
    }
 
    if (option) {
        res = push_notify_uri(uri, option, notify_cli_uri_data_create);
    } else {
        res = push_notify_uri(uri, vars, notify_ami_uri_data_create);
    }
 
    manager_send_response(s, m, NOTIFY_URI, res, vars, NULL);
}

References ao2_cleanup, ao2_global_obj_ref, ast_strlen_zero(), astman_get_header(), astman_get_variables_order(), astman_send_error_va(), globals, manager_send_response(), notify_ami_uri_data_create(), notify_cli_uri_data_create(), notify_option_find(), NOTIFY_URI, NULL, ORDER_NATURAL, push_notify_uri(), and RAII_VAR.

Referenced by manager_notify().

manager_send_response()

static void manager_send_response ( struct mansession *  s, const struct message *  m, enum notify_type  type, enum notify_result  res, struct ast_variable *  vars, const char *  endpoint_name  )

static

Definition at line 1141 of file res_pjsip_notify.c.

{
    switch (res) {
    case INVALID_CHANNEL:
        if (type == NOTIFY_CHANNEL) {
            ast_variables_destroy(vars);
            astman_send_error(s, m, "Channel not found");
        } else {
            /* Shouldn't be possible. */
            ast_assert(0);
        }
        break;
    case INVALID_ENDPOINT:
        if (type == NOTIFY_ENDPOINT) {
            ast_variables_destroy(vars);
            astman_send_error_va(s, m, "Unable to retrieve endpoint %s", endpoint_name);
        } else {
            /* Shouldn't be possible. */
            ast_assert(0);
        }
        break;
    case ALLOC_ERROR:
        ast_variables_destroy(vars);
        astman_send_error(s, m, "Unable to allocate NOTIFY task data");
        break;
    case TASK_PUSH_ERROR:
        /* Don't need to destroy vars since it is handled by cleanup in push_notify, push_notify_uri, etc. */
        astman_send_error(s, m, "Unable to push Notify task");
        break;
    case SUCCESS:
        astman_send_ack(s, m, "NOTIFY sent");
        break;
    }
}

References ALLOC_ERROR, ast_assert, ast_variables_destroy(), astman_send_ack(), astman_send_error(), astman_send_error_va(), INVALID_CHANNEL, INVALID_ENDPOINT, NOTIFY_CHANNEL, NOTIFY_ENDPOINT, SUCCESS, TASK_PUSH_ERROR, and type.

Referenced by manager_notify_channel(), manager_notify_endpoint(), and manager_notify_uri().

multiple_headers_allowed()

static int multiple_headers_allowed ( const char *  name )

static

Definition at line 561 of file res_pjsip_notify.c.

{
    /* This can be extended to include additional headers */
    return strcasecmp("Event", name);
}

References name.

Referenced by build_notify().

not_allowed()

static int not_allowed ( const char *  name )

static

Definition at line 534 of file res_pjsip_notify.c.

{
    int i;
    static const char *names[] = {
        "Call-ID",
        "Contact",
        "CSeq",
        "To",
        "From",
        "Record-Route",
        "Route",
        "Request-URI",
        "Via",
    };
 
    for (i = 0; i < ARRAY_LEN(names); ++i) {
        if (!strcasecmp(name, names[i])) {
            return 1;
        }
    }
    return 0;
}

References ARRAY_LEN, and name.

Referenced by build_notify().

notify_ami_channel_data_create()

static struct notify_channel_data * notify_ami_channel_data_create ( struct ast_sip_session *  session, void *  info  )

static

Definition at line 508 of file res_pjsip_notify.c.

{
    struct notify_channel_data *data;
 
    data = ao2_alloc_options(sizeof(*data), notify_ami_channel_data_destroy,
        AO2_ALLOC_OPT_LOCK_NOLOCK);
    if (!data) {
        return NULL;
    }
 
    data->session = session;
    data->info = info;
    data->build_notify = build_ami_notify;
 
    return data;
}

References AO2_ALLOC_OPT_LOCK_NOLOCK, ao2_alloc_options, build_ami_notify(), notify_channel_data::build_notify, sip_to_pjsip::info(), notify_channel_data::info, notify_ami_channel_data_destroy(), NULL, notify_channel_data::session, and session.

Referenced by app_notify(), and manager_notify_channel().

notify_ami_channel_data_destroy()

static void notify_ami_channel_data_destroy ( void *  obj )

static

Definition at line 446 of file res_pjsip_notify.c.

{
    struct notify_channel_data *data = obj;
    struct ast_variable *info = data->info;
 
    ao2_cleanup(data->session);
    ast_variables_destroy(info);
}

References ao2_cleanup, ast_variables_destroy(), sip_to_pjsip::info(), notify_channel_data::info, and notify_channel_data::session.

Referenced by notify_ami_channel_data_create().

notify_ami_data_create()

static struct notify_data * notify_ami_data_create ( struct ast_sip_endpoint *  endpoint, void *  info  )

static

Definition at line 461 of file res_pjsip_notify.c.

{
    struct notify_data *data = ao2_alloc(sizeof(*data),
                         notify_ami_data_destroy);
    if (!data) {
        return NULL;
    }
 
    data->endpoint = endpoint;
    ao2_ref(data->endpoint, +1);
 
    data->info = info;
    data->build_notify = build_ami_notify;
 
    return data;
}

References ao2_alloc, ao2_ref, build_ami_notify(), notify_data::build_notify, notify_data::endpoint, sip_to_pjsip::info(), notify_data::info, notify_ami_data_destroy(), and NULL.

Referenced by manager_notify_endpoint().

notify_ami_data_destroy()

static void notify_ami_data_destroy ( void *  obj )

static

Definition at line 420 of file res_pjsip_notify.c.

{
    struct notify_data *data = obj;
    struct ast_variable *info = data->info;
 
    ao2_cleanup(data->endpoint);
    ast_variables_destroy(info);
}

References ao2_cleanup, ast_variables_destroy(), notify_data::endpoint, sip_to_pjsip::info(), and notify_data::info.

Referenced by notify_ami_data_create().

notify_ami_uri_data_create()

static struct notify_uri_data * notify_ami_uri_data_create ( const char *  uri, void *  info  )

static

Definition at line 483 of file res_pjsip_notify.c.

{
    struct notify_uri_data *data = ao2_alloc(sizeof(*data),
                            notify_ami_uri_data_destroy);
    if (!data) {
        return NULL;
    }
 
    data->uri = ast_strdup(uri);
    if (!data->uri) {
        ao2_ref(data, -1);
        return NULL;
    }
 
    data->info = info;
    data->build_notify = build_ami_notify;
 
    return data;
}

References ao2_alloc, ao2_ref, ast_strdup, build_ami_notify(), notify_uri_data::build_notify, sip_to_pjsip::info(), notify_uri_data::info, notify_ami_uri_data_destroy(), NULL, and notify_uri_data::uri.

Referenced by app_notify(), and manager_notify_uri().

notify_ami_uri_data_destroy()

static void notify_ami_uri_data_destroy ( void *  obj )

static

Definition at line 433 of file res_pjsip_notify.c.

{
    struct notify_uri_data *data = obj;
    struct ast_variable *info = data->info;
 
    ast_free(data->uri);
    ast_variables_destroy(info);
}

References ast_free, ast_variables_destroy(), sip_to_pjsip::info(), notify_uri_data::info, and notify_uri_data::uri.

Referenced by notify_ami_uri_data_create().

notify_cfg_alloc()

static void * notify_cfg_alloc ( void  )

static

Definition at line 233 of file res_pjsip_notify.c.

{
    struct notify_cfg *cfg;
 
    if (!(cfg = ao2_alloc(sizeof(*cfg), notify_cfg_destroy))) {
        return NULL;
    }
 
    cfg->notify_options = ao2_container_alloc_hash(AO2_ALLOC_OPT_LOCK_NOLOCK, 0,
        20, notify_option_hash, NULL, notify_option_cmp);
    if (!cfg->notify_options) {
        ao2_cleanup(cfg);
        return NULL;
    }
 
    return cfg;
}

References ao2_alloc, AO2_ALLOC_OPT_LOCK_NOLOCK, ao2_cleanup, ao2_container_alloc_hash, notify_cfg_destroy(), notify_option_cmp(), notify_option_hash(), notify_cfg::notify_options, and NULL.

notify_cfg_destroy()

static void notify_cfg_destroy ( void *  obj )

static

Definition at line 227 of file res_pjsip_notify.c.

{
    struct notify_cfg *cfg = obj;
    ao2_cleanup(cfg->notify_options);
}

References ao2_cleanup, and notify_cfg::notify_options.

Referenced by notify_cfg_alloc().

notify_channel()

static int notify_channel ( void *  obj )

static

Definition at line 794 of file res_pjsip_notify.c.

{
    RAII_VAR(struct notify_channel_data *, data, obj, ao2_cleanup);
    pjsip_tx_data *tdata;
    struct pjsip_dialog *dlg;
 
    if (!data->session->channel
        || !data->session->inv_session
        || data->session->inv_session->state < PJSIP_INV_STATE_EARLY
        || data->session->inv_session->state == PJSIP_INV_STATE_DISCONNECTED) {
        return -1;
    }
 
    ast_debug(1, "Sending notify on channel %s\n", ast_channel_name(data->session->channel));
 
    dlg = data->session->inv_session->dlg;
 
    if (ast_sip_create_request("NOTIFY", dlg, NULL, NULL, NULL, &tdata)) {
        return -1;
    }
 
    ast_sip_add_header(tdata, "Subscription-State", "terminated");
    data->build_notify(tdata, data->info);
 
    if (ast_sip_send_request(tdata, dlg, NULL, NULL, NULL)) {
        return -1;
    }
 
    return 0;
}

References ao2_cleanup, ast_channel_name(), ast_debug, ast_sip_add_header(), ast_sip_create_request(), ast_sip_send_request(), NULL, and RAII_VAR.

Referenced by build_calendar(), and push_notify_channel().

notify_cli_channel_data_create()

static struct notify_channel_data * notify_cli_channel_data_create ( struct ast_sip_session *  session, void *  info  )

static

Definition at line 397 of file res_pjsip_notify.c.

{
    struct notify_channel_data *data = ao2_alloc_options(sizeof(*data),
        notify_cli_channel_data_destroy, AO2_ALLOC_OPT_LOCK_NOLOCK);
 
    if (!data) {
        return NULL;
    }
 
    data->session = session;
    data->info = info;
    ao2_ref(data->info, +1);
 
    data->build_notify = build_cli_notify;
 
    return data;
}

References AO2_ALLOC_OPT_LOCK_NOLOCK, ao2_alloc_options, ao2_ref, build_cli_notify(), notify_channel_data::build_notify, sip_to_pjsip::info(), notify_channel_data::info, notify_cli_channel_data_destroy(), NULL, notify_channel_data::session, and session.

Referenced by app_notify(), and cli_notify().

notify_cli_channel_data_destroy()

static void notify_cli_channel_data_destroy ( void *  obj )

static

Definition at line 327 of file res_pjsip_notify.c.

{
    struct notify_channel_data *data = obj;
 
    ao2_cleanup(data->info);
    ao2_cleanup(data->session);
}

References ao2_cleanup, notify_channel_data::info, and notify_channel_data::session.

Referenced by notify_cli_channel_data_create().

notify_cli_data_create()

static struct notify_data * notify_cli_data_create ( struct ast_sip_endpoint *  endpoint, void *  info  )

static

Definition at line 345 of file res_pjsip_notify.c.

{
    struct notify_data *data = ao2_alloc(sizeof(*data),
                         notify_cli_data_destroy);
    if (!data) {
        return NULL;
    }
 
    data->endpoint = endpoint;
    ao2_ref(data->endpoint, +1);
 
    data->info = info;
    ao2_ref(data->info, +1);
 
    data->build_notify = build_cli_notify;
 
    return data;
}

References ao2_alloc, ao2_ref, build_cli_notify(), notify_data::build_notify, notify_data::endpoint, sip_to_pjsip::info(), notify_data::info, notify_cli_data_destroy(), and NULL.

Referenced by cli_notify(), and manager_notify_endpoint().

notify_cli_data_destroy()

static void notify_cli_data_destroy ( void *  obj )

static

Definition at line 291 of file res_pjsip_notify.c.

{
    struct notify_data *data = obj;
 
    ao2_cleanup(data->endpoint);
    ao2_cleanup(data->info);
}

References ao2_cleanup, notify_data::endpoint, and notify_data::info.

Referenced by notify_cli_data_create().

notify_cli_uri_data_create()

static struct notify_uri_data * notify_cli_uri_data_create ( const char *  uri, void *  info  )

static

Definition at line 369 of file res_pjsip_notify.c.

{
    struct notify_uri_data *data = ao2_alloc(sizeof(*data),
        notify_cli_uri_data_destroy);
 
    if (!data) {
        return NULL;
    }
 
    data->uri = ast_strdup(uri);
    if (!data->uri) {
        ao2_ref(data, -1);
        return NULL;
    }
 
    data->info = info;
    ao2_ref(data->info, +1);
 
    data->build_notify = build_cli_notify;
 
    return data;
}

References ao2_alloc, ao2_ref, ast_strdup, build_cli_notify(), notify_uri_data::build_notify, sip_to_pjsip::info(), notify_uri_data::info, notify_cli_uri_data_destroy(), NULL, and notify_uri_data::uri.

Referenced by app_notify(), cli_notify(), and manager_notify_uri().

notify_cli_uri_data_destroy()

static void notify_cli_uri_data_destroy ( void *  obj )

static

Definition at line 319 of file res_pjsip_notify.c.

{
    struct notify_uri_data *data = obj;
 
    ast_free(data->uri);
    ao2_cleanup(data->info);
}

References ao2_cleanup, ast_free, notify_uri_data::info, and notify_uri_data::uri.

Referenced by notify_cli_uri_data_create().

notify_contact()

static int notify_contact ( void *  obj, void *  arg, int  flags  )

static

Definition at line 688 of file res_pjsip_notify.c.

{
    struct ast_sip_contact *contact = obj;
    struct notify_data *data = arg;
    pjsip_tx_data *tdata;
 
    if (ast_sip_create_request("NOTIFY", NULL, data->endpoint,
                   NULL, contact, &tdata)) {
        ast_log(LOG_WARNING, "SIP NOTIFY - Unable to create request for "
            "contact %s\n", contact->uri);
        return -1;
    }
 
    ast_sip_add_header(tdata, "Subscription-State", "terminated");
    data->build_notify(tdata, data->info);
 
    if (ast_sip_send_request(tdata, NULL, data->endpoint, NULL, NULL)) {
        ast_log(LOG_ERROR, "SIP NOTIFY - Unable to send request for "
            "contact %s\n", contact->uri);
        return -1;
    }
 
    return 0;
}

References ast_log, ast_sip_add_header(), ast_sip_create_request(), ast_sip_send_request(), notify_data::build_notify, notify_data::endpoint, notify_data::info, LOG_ERROR, LOG_WARNING, NULL, and ast_sip_contact::uri.

Referenced by notify_endpoint().

notify_endpoint()

static int notify_endpoint ( void *  obj )

static

Definition at line 720 of file res_pjsip_notify.c.

{
    RAII_VAR(struct notify_data *, data, obj, ao2_cleanup);
    char *aor_name, *aors;
 
    if (ast_strlen_zero(data->endpoint->aors)) {
        ast_log(LOG_WARNING, "Unable to NOTIFY - "
            "endpoint has no configured AORs\n");
        return -1;
    }
 
    aors = ast_strdupa(data->endpoint->aors);
 
    while ((aor_name = ast_strip(strsep(&aors, ",")))) {
        RAII_VAR(struct ast_sip_aor *, aor,
             ast_sip_location_retrieve_aor(aor_name), ao2_cleanup);
        RAII_VAR(struct ao2_container *, contacts, NULL, ao2_cleanup);
 
        if (!aor || !(contacts = ast_sip_location_retrieve_aor_contacts(aor))) {
            continue;
        }
 
        ao2_callback(contacts, OBJ_NODATA, notify_contact, data);
    }
 
    return 0;
}

References ao2_callback, ao2_cleanup, ast_log, ast_sip_location_retrieve_aor(), ast_sip_location_retrieve_aor_contacts(), ast_strdupa, ast_strip(), ast_strlen_zero(), LOG_WARNING, notify_contact(), NULL, OBJ_NODATA, RAII_VAR, and strsep().

Referenced by push_notify().

notify_option_alloc()

static void * notify_option_alloc ( const char *  category )

static

Definition at line 170 of file res_pjsip_notify.c.

{
    int category_size = strlen(category) + 1;
 
    struct notify_option *option = ao2_alloc(
        sizeof(*option) + category_size, notify_option_destroy);
 
    if (!option) {
        return NULL;
    }
 
    ast_copy_string(option->name, category, category_size);
 
    if (!(option->items = ao2_container_alloc_list(
              AO2_ALLOC_OPT_LOCK_NOLOCK,
              AO2_CONTAINER_ALLOC_OPT_DUPS_ALLOW, NULL, NULL))) {
        ao2_cleanup(option);
        return NULL;
    }
 
    return option;
}

References ao2_alloc, AO2_ALLOC_OPT_LOCK_NOLOCK, ao2_cleanup, ao2_container_alloc_list, AO2_CONTAINER_ALLOC_OPT_DUPS_ALLOW, ast_copy_string(), notify_option::items, notify_option::name, notify_option_destroy(), and NULL.

notify_option_cmp()

static int notify_option_cmp ( void *  obj, void *  arg, int  flags  )

static

Definition at line 155 of file res_pjsip_notify.c.

{
    struct notify_option *option1 = obj;
    struct notify_option *option2 = arg;
    const char *key = flags & OBJ_KEY ? arg : option2->name;
 
    return strcasecmp(option1->name, key) ? 0 : CMP_MATCH;
}

References CMP_MATCH, notify_option::name, and OBJ_KEY.

Referenced by notify_cfg_alloc().

notify_option_destroy()

static void notify_option_destroy ( void *  obj )

static

Definition at line 164 of file res_pjsip_notify.c.

{
    struct notify_option *option = obj;
    ao2_cleanup(option->items);
}

References ao2_cleanup, and notify_option::items.

Referenced by notify_option_alloc().

notify_option_find()

static void * notify_option_find ( struct ao2_container *  container, const char *  category  )

static

Definition at line 193 of file res_pjsip_notify.c.

{
    return ao2_find(container, category, OBJ_KEY);
}

References ao2_find, container, and OBJ_KEY.

Referenced by app_notify(), cli_notify(), manager_notify_endpoint(), and manager_notify_uri().

notify_option_handler()

static int notify_option_handler ( const struct aco_option *  opt, struct ast_variable *  var, void *  obj  )

static

Definition at line 198 of file res_pjsip_notify.c.

{
    struct notify_option *option = obj;
 
    int name_size = strlen(var->name) + 1;
    int value_size = strlen(var->value) + 1;
 
    RAII_VAR(struct notify_option_item *, item,
         ao2_alloc(sizeof(*item) + name_size + value_size,
               NULL), ao2_cleanup);
 
    item->name = item->buf;
    item->value = item->buf + name_size;
 
    ast_copy_string(item->buf, var->name, name_size);
    ast_copy_string(item->buf + name_size, var->value, value_size);
 
    if (!ao2_link(option->items, item)) {
        return -1;
    }
 
    return 0;
}

References ao2_alloc, ao2_cleanup, ao2_link, ast_copy_string(), item, notify_option::items, aco_type::name, NULL, RAII_VAR, and var.

Referenced by load_module().

notify_option_hash()

static int notify_option_hash ( const void *  obj, int  flags  )

static

Definition at line 149 of file res_pjsip_notify.c.

{
    const struct notify_option *option = obj;
    return ast_str_case_hash(flags & OBJ_KEY ? obj : option->name);
}

References ast_str_case_hash(), notify_option::name, and OBJ_KEY.

Referenced by notify_cfg_alloc().

notify_uri()

static int notify_uri ( void *  obj )

static

Definition at line 752 of file res_pjsip_notify.c.

{
    RAII_VAR(struct notify_uri_data *, data, obj, ao2_cleanup);
    RAII_VAR(struct ast_sip_endpoint *, endpoint,
        ast_sip_default_outbound_endpoint(), ao2_cleanup);
    pjsip_tx_data *tdata;
 
    if (!endpoint) {
        ast_log(LOG_WARNING, "No default outbound endpoint set, can not send "
            "NOTIFY requests to arbitrary URIs.\n");
        return -1;
    }
 
    if (ast_strlen_zero(data->uri)) {
        ast_log(LOG_WARNING, "Unable to NOTIFY - URI is blank.\n");
        return -1;
    }
 
    if (ast_sip_create_request("NOTIFY", NULL, endpoint,
                   data->uri, NULL, &tdata)) {
        ast_log(LOG_WARNING, "SIP NOTIFY - Unable to create request for "
            "uri %s\n", data->uri);
        return -1;
    }
 
    ast_sip_add_header(tdata, "Subscription-State", "terminated");
 
    data->build_notify(tdata, data->info);
 
    if (ast_sip_send_request(tdata, NULL, endpoint, NULL, NULL)) {
        ast_log(LOG_ERROR, "SIP NOTIFY - Unable to send request for "
            "uri %s\n", data->uri);
        return -1;
    }
 
    return 0;
}

References ao2_cleanup, ast_log, ast_sip_add_header(), ast_sip_create_request(), ast_sip_default_outbound_endpoint(), ast_sip_send_request(), ast_strlen_zero(), notify_data::endpoint, LOG_ERROR, LOG_WARNING, NULL, and RAII_VAR.

Referenced by push_notify_uri().

push_notify()

static enum notify_result push_notify ( const char *  endpoint_name, void *  info, task_data_create  data_create  )

static

Definition at line 846 of file res_pjsip_notify.c.

{
    RAII_VAR(struct ast_sip_endpoint *, endpoint, NULL, ao2_cleanup);
    struct notify_data *data;
 
    if (!(endpoint = ast_sorcery_retrieve_by_id(
              ast_sip_get_sorcery(), "endpoint", endpoint_name))) {
        return INVALID_ENDPOINT;
    }
 
    if (!(data = data_create(endpoint, info))) {
        return ALLOC_ERROR;
    }
 
    if (ast_sip_push_task(NULL, notify_endpoint, data)) {
        ao2_cleanup(data);
        return TASK_PUSH_ERROR;
    }
 
    return SUCCESS;
}

References ALLOC_ERROR, ao2_cleanup, ast_sip_get_sorcery(), ast_sip_push_task(), ast_sorcery_retrieve_by_id(), ast_sip_session::endpoint, notify_data::endpoint, sip_to_pjsip::info(), INVALID_ENDPOINT, notify_endpoint(), NULL, RAII_VAR, SUCCESS, and TASK_PUSH_ERROR.

Referenced by cli_notify(), and manager_notify_endpoint().

push_notify_channel()

static enum notify_result push_notify_channel ( const char *  channel_name, void *  info, task_channel_data_create  data_create  )

static

Definition at line 894 of file res_pjsip_notify.c.

{
    struct notify_channel_data *data;
    struct ast_channel *ch;
    struct ast_sip_session *session;
    struct ast_sip_channel_pvt *ch_pvt;
 
    /* note: this increases the refcount of the channel */
    ch = ast_channel_get_by_name(channel_name);
    if (!ch) {
        ast_debug(1, "No channel found with name %s", channel_name);
        return INVALID_CHANNEL;
    }
 
    if (strcmp(ast_channel_tech(ch)->type, "PJSIP")) {
        ast_log(LOG_WARNING, "Channel was a non-PJSIP channel: %s\n", channel_name);
        ast_channel_unref(ch);
        return INVALID_CHANNEL;
    }
 
    ast_channel_lock(ch);
    ch_pvt = ast_channel_tech_pvt(ch);
    session = ch_pvt->session;
 
    if (!session || !session->inv_session
            || session->inv_session->state < PJSIP_INV_STATE_EARLY
            || session->inv_session->state == PJSIP_INV_STATE_DISCONNECTED) {
        ast_debug(1, "No active session for channel %s\n", channel_name);
        ast_channel_unlock(ch);
        ast_channel_unref(ch);
        return INVALID_CHANNEL;
    }
 
    ao2_ref(session, +1);
    ast_channel_unlock(ch);
 
    /* don't keep a reference to the channel, we've got a reference to the session */
    ast_channel_unref(ch);
 
    /*
     * data_create will take ownership of the session,
     * and take care of releasing the ref.
     */
    data = data_create(session, info);
    if (!data) {
        ao2_ref(session, -1);
        return ALLOC_ERROR;
    }
 
    if (ast_sip_push_task(session->serializer, notify_channel, data)) {
        ao2_ref(data, -1);
        return TASK_PUSH_ERROR;
    }
 
    return SUCCESS;
}

References ALLOC_ERROR, ao2_ref, ast_channel_get_by_name(), ast_channel_lock, ast_channel_tech(), ast_channel_tech_pvt(), ast_channel_unlock, ast_channel_unref, ast_debug, ast_log, ast_sip_push_task(), sip_to_pjsip::info(), INVALID_CHANNEL, LOG_WARNING, notify_channel(), ast_sip_channel_pvt::session, session, SUCCESS, TASK_PUSH_ERROR, and type.

Referenced by app_notify(), cli_notify(), and manager_notify_channel().

push_notify_uri()

static enum notify_result push_notify_uri ( const char *  uri, void *  info, task_uri_data_create  data_create  )

static

Definition at line 873 of file res_pjsip_notify.c.

{
    struct notify_uri_data *data;
 
    if (!(data = data_create(uri, info))) {
        return ALLOC_ERROR;
    }
 
    if (ast_sip_push_task(NULL, notify_uri, data)) {
        ao2_cleanup(data);
        return TASK_PUSH_ERROR;
    }
 
    return SUCCESS;
}

References ALLOC_ERROR, ao2_cleanup, ast_sip_push_task(), sip_to_pjsip::info(), notify_uri(), NULL, SUCCESS, TASK_PUSH_ERROR, and notify_uri_data::uri.

Referenced by app_notify(), cli_notify(), and manager_notify_uri().

reload_module()

static int reload_module ( void  )

static

Definition at line 1417 of file res_pjsip_notify.c.

{
    if (aco_process_config(&notify_cfg, 1) == ACO_PROCESS_ERROR) {
        return AST_MODULE_LOAD_DECLINE;
    }
 
    return 0;
}

References aco_process_config(), ACO_PROCESS_ERROR, and AST_MODULE_LOAD_DECLINE.

unload_module()

static int unload_module ( void  )

static

Definition at line 1426 of file res_pjsip_notify.c.

{
    ast_manager_unregister("PJSIPNotify");
    ast_unregister_application("PJSIPNotify");
    ast_cli_unregister_multiple(cli_options, ARRAY_LEN(cli_options));
    aco_info_destroy(&notify_cfg);
    ao2_global_obj_release(globals);
 
    return 0;
}

References aco_info_destroy(), ao2_global_obj_release, ARRAY_LEN, ast_cli_unregister_multiple(), ast_manager_unregister(), ast_unregister_application(), cli_options, and globals.

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "CLI/AMI PJSIP NOTIFY Support" , .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 = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .reload = reload_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND, .requires = "res_pjsip", }

static

Definition at line 1444 of file res_pjsip_notify.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 1444 of file res_pjsip_notify.c.

cli_options

struct ast_cli_entry cli_options[]

static

Initial value:

= {
    { .handler =  cli_notify , .summary =  "Send a NOTIFY request to a SIP endpoint" ,}
}

Definition at line 1131 of file res_pjsip_notify.c.

Referenced by load_module(), and unload_module().

module_conf

struct aco_file module_conf

static

Initial value:

= {
    .filename = notify_config,
    .types = ACO_TYPES(&notify_option),
}

Definition at line 263 of file res_pjsip_notify.c.

notify_config

const char notify_config[] = "pjsip_notify.conf"

static

Definition at line 134 of file res_pjsip_notify.c.

notify_option

struct aco_type notify_option

static

Definition at line 251 of file res_pjsip_notify.c.

notify_options

struct aco_type* notify_options[] = ACO_TYPES(&notify_option)

static

Definition at line 261 of file res_pjsip_notify.c.

Referenced by load_module().