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app_mf, app_sf: Return -1 if channel hangs up.

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The ReceiveMF and ReceiveSF applications currently always
return 0, even if a channel has hung up. The call will still
end but generally applications are expected to return -1 if
the channel has hung up.

We now return -1 if a hangup occured to bring this behavior
in line with this norm. This has no functional impact, but
merely increases conformity with how these modules interact
with the PBX core.

ASTERISK-29951 #close

Change-Id: I234d755050ab8ed58f197c6925b968ba26b14033
This commit is contained in:
Naveen Albert
2022-03-05 01:41:30 +00:00
committed by Kevin Harwell
parent ede4e2099f
commit b87c5f5124
2 changed files with 31 additions and 12 deletions
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14
apps/app_mf.c
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@@ -226,7 +226,7 @@ static const char sendmf_name[] = "SendMF";
* \param maxdigits If greater than 0, only read this many digits no matter what
*
* \retval 0 if successful
* \retval -1 if unsuccessful.
* \retval -1 if unsuccessful (including hangup).
*/
static int read_mf_digits(struct ast_channel *chan, char *buf, int buflen, int timeout, int features, int laxkp, int override, int no_kp, int no_st, int maxdigits) {
struct ast_dsp *dsp;
@@ -236,6 +236,7 @@ static int read_mf_digits(struct ast_channel *chan, char *buf, int buflen, int t
int digits_read = 0;
int is_start_digit = 0;
char *str = buf;
int res = 0;
if (!(dsp = ast_dsp_new())) {
ast_log(LOG_WARNING, "Unable to allocate DSP!\n");
@@ -318,11 +319,12 @@ static int read_mf_digits(struct ast_channel *chan, char *buf, int buflen, int t
}
} else {
pbx_builtin_setvar_helper(chan, "RECEIVEMFSTATUS", "HANGUP");
res = -1;
}
}
ast_dsp_free(dsp);
ast_debug(3, "channel '%s' - event loop stopped { timeout: %d, remaining_time: %d }\n", ast_channel_name(chan), timeout, remaining_time);
return 0;
return res;
}
static int read_mf_exec(struct ast_channel *chan, const char *data)
@@ -334,7 +336,7 @@ static int read_mf_exec(struct ast_channel *chan, const char *data)
struct ast_flags flags = {0};
char *optargs[OPT_ARG_ARRAY_SIZE];
char *argcopy = NULL;
int features = 0, maxdigits = 0;
int res, features = 0, maxdigits = 0;
AST_DECLARE_APP_ARGS(arglist,
AST_APP_ARG(variable);
@@ -392,15 +394,15 @@ static int read_mf_exec(struct ast_channel *chan, const char *data)
features |= DSP_DIGITMODE_RELAXDTMF;
}
read_mf_digits(chan, tmp, BUFFER_SIZE, to, features, (ast_test_flag(&flags, OPT_LAX_KP)),
res = read_mf_digits(chan, tmp, BUFFER_SIZE, to, features, (ast_test_flag(&flags, OPT_LAX_KP)),
(ast_test_flag(&flags, OPT_KP_OVERRIDE)), (ast_test_flag(&flags, OPT_NO_KP)), (ast_test_flag(&flags, OPT_NO_ST)), maxdigits);
pbx_builtin_setvar_helper(chan, arglist.variable, tmp);
if (!ast_strlen_zero(tmp)) {
ast_verb(3, "MF digits received: '%s'\n", tmp);
} else {
} else if (!res) { /* if channel hung up, don't print anything out */
ast_verb(3, "No MF digits received.\n");
}
return 0;
return res;
}
static int sendmf_exec(struct ast_channel *chan, const char *vdata)