app_attended_transfer.c File Reference

Attended transfer by caller channel. More...

#include "asterisk.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/app.h"
#include "asterisk/channel.h"
#include "asterisk/bridge.h"
#include "asterisk/features_config.h"

Include dependency graph for app_attended_transfer.c:

Go to the source code of this file.

Functions
	AST_MODULE_INFO_STANDARD_EXTENDED (ASTERISK_GPL_KEY, "Attended transfer to the given extension")
static int	attended_transfer_exec (struct ast_channel *chan, const char *data)
static int	load_module (void)
static int	unload_module (void)

Variables
static const char *const	app = "AttendedTransfer"

Detailed Description

Attended transfer by caller channel.

Author

Alexei Gradinari alex2.nosp@m.grad.nosp@m.@gmai.nosp@m.l.co.nosp@m.m

Definition in file app_attended_transfer.c.

Function Documentation

AST_MODULE_INFO_STANDARD_EXTENDED()

AST_MODULE_INFO_STANDARD_EXTENDED	(	ASTERISK_GPL_KEY	,
		"Attended transfer to the given extension"
	)

attended_transfer_exec()

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

static

Definition at line 81 of file app_attended_transfer.c.

{
    char *exten = NULL;
    const char *context = NULL;
    char *parse;
    AST_DECLARE_APP_ARGS(args,
        AST_APP_ARG(exten);
    );
    char feature_code[AST_FEATURE_MAX_LEN];
    const char *digit;
    struct ast_frame f = { .frametype = AST_FRAME_DTMF };
 
    if (ast_strlen_zero((char *)data)) {
        ast_log(LOG_WARNING, "%s requires an argument (exten)\n", app);
        pbx_builtin_setvar_helper(chan, "ATTENDEDTRANSFERSTATUS", "FAILURE");
        return 0;
    }
 
    context = pbx_builtin_getvar_helper(chan, "TRANSFER_CONTEXT");
    if (ast_strlen_zero(context)) {
        pbx_builtin_setvar_helper(chan, "ATTENDEDTRANSFERSTATUS", "NOTPERMITTED");
        return 0;
    }
 
    ast_channel_lock(chan);
    if (ast_get_builtin_feature(chan, "atxfer", feature_code, sizeof(feature_code)) ||
        ast_strlen_zero(feature_code)) {
        pbx_builtin_setvar_helper(chan, "ATTENDEDTRANSFERSTATUS", "NOTPERMITTED");
        ast_channel_unlock(chan);
        return 0;
    }
    ast_channel_unlock(chan);
 
    parse = ast_strdupa(data);
    AST_STANDARD_APP_ARGS(args, parse);
 
    exten = args.exten;
 
    for (digit = feature_code; *digit; ++digit) {
        f.subclass.integer = *digit;
        ast_queue_frame(chan, &f);
    }
 
    for (digit = exten; *digit; ++digit) {
        f.subclass.integer = *digit;
        ast_queue_frame(chan, &f);
    }
 
    f.subclass.integer = '#';
    ast_queue_frame(chan, &f);
 
    pbx_builtin_setvar_helper(chan, "ATTENDEDTRANSFERSTATUS", "SUCCESS");
 
    return 0;
}

References app, args, AST_APP_ARG, ast_channel_lock, ast_channel_unlock, AST_DECLARE_APP_ARGS, AST_FEATURE_MAX_LEN, AST_FRAME_DTMF, ast_get_builtin_feature(), ast_log, ast_queue_frame(), AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), ast_frame::data, digit, ast_frame::frametype, ast_frame_subclass::integer, LOG_WARNING, NULL, pbx_builtin_getvar_helper(), pbx_builtin_setvar_helper(), and ast_frame::subclass.

Referenced by load_module().

load_module()

static int load_module ( void  )

static

Definition at line 142 of file app_attended_transfer.c.

{
    return ast_register_application_xml(app, attended_transfer_exec);
}

References app, ast_register_application_xml, and attended_transfer_exec().

unload_module()

static int unload_module ( void  )

static

Definition at line 137 of file app_attended_transfer.c.

{
    return ast_unregister_application(app);
}

References app, and ast_unregister_application().

Variable Documentation

app

const char* const app = "AttendedTransfer"

static

Definition at line 79 of file app_attended_transfer.c.

Referenced by attended_transfer_exec(), load_module(), and unload_module().