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MODAPP-221

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12262 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
2009-02-24 18:36:45 +00:00
parent be15ed423f
commit 3dd6e878e7
3 changed files with 65 additions and 60 deletions
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115
src/switch_ivr.c
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@@ -1388,6 +1388,7 @@ struct switch_ivr_digit_stream_parser {
switch_memory_pool_t *pool;
switch_hash_t *hash;
switch_size_t maxlen;
switch_size_t buflen;
switch_size_t minlen;
char terminator;
unsigned int digit_timeout_ms;
@@ -1461,24 +1462,25 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_digit_stream_new(switch_ivr_digit_str
switch_status_t status = SWITCH_STATUS_FALSE;
/* if we have a parser object memory pool and a stream object pointer that is null */
if (parser != NULL && parser->pool && stream != NULL && *stream == NULL) {
*stream = (switch_ivr_digit_stream_t *) switch_core_alloc(parser->pool, sizeof(switch_ivr_digit_stream_t));
if (*stream != NULL) {
memset(*stream, 0, sizeof(switch_ivr_digit_stream_t));
status = SWITCH_STATUS_SUCCESS;
}
if (parser && stream && *stream == NULL) {
*stream = (switch_ivr_digit_stream_t *) malloc(sizeof(**stream));
switch_assert(*stream);
memset(*stream, 0, sizeof(**stream));
switch_zmalloc((*stream)->digits, parser->buflen + 1);
status = SWITCH_STATUS_SUCCESS;
}
return status;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_digit_stream_destroy(switch_ivr_digit_stream_t *stream)
SWITCH_DECLARE(switch_status_t) switch_ivr_digit_stream_destroy(switch_ivr_digit_stream_t **stream)
{
switch_status_t status = SWITCH_STATUS_FALSE;
if (stream && stream->digits != NULL) {
free(stream->digits);
stream->digits = NULL;
if (*stream) {
switch_safe_free((*stream)->digits);
free(*stream);
*stream = NULL;
status = SWITCH_STATUS_SUCCESS;
}
@@ -1499,6 +1501,11 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_digit_stream_parser_set_event(switch_
* figure out when a digit set is completed, therefore we
* keep track of the min and max digit lengths
*/
if (len > parser->buflen) {
parser->buflen = len;
}
if (parser->terminator == '\0') {
if (len > parser->maxlen) {
parser->maxlen = len;
@@ -1541,65 +1548,63 @@ SWITCH_DECLARE(void *) switch_ivr_digit_stream_parser_feed(switch_ivr_digit_stre
{
void *result = NULL;
if (parser != NULL && stream != NULL) {
switch_size_t len = (stream->digits != NULL ? strlen(stream->digits) : 0);
switch_assert(parser);
switch_assert(stream);
switch_assert(stream->digits);
/* handle new digit arrivals */
if (digit != '\0') {
switch_size_t len = strlen(stream->digits);
/* if it's not a terminator digit, add it to the collected digits */
if (digit != parser->terminator) {
/* if collected digits length >= the max length of the keys
* in the hash table, then left shift the digit string
*/
if (len > 0 && parser->maxlen != 0 && len >= parser->maxlen) {
char *src = stream->digits + 1;
char *dst = stream->digits;
while (*src) {
*(dst++) = *(src++);
}
*dst = digit;
} else {
char *tmp = realloc(stream->digits, len + 2);
switch_assert(tmp);
stream->digits = tmp;
*(stream->digits + (len++)) = digit;
*(stream->digits + len) = '\0';
stream->last_digit_time = switch_micro_time_now() / 1000;
}
}
}
/* don't allow collected digit string testing if there are varying sized keys until timeout */
if (parser->maxlen - parser->minlen > 0 && (switch_micro_time_now() / 1000) - stream->last_digit_time < parser->digit_timeout_ms) {
len = 0;
}
/* if we have digits to test */
if (len) {
result = switch_core_hash_find(parser->hash, stream->digits);
/* if we matched the digit string, or this digit is the terminator
* reset the collected digits for next digit string
/* handle new digit arrivals */
if (digit) {
/* if it's not a terminator digit, add it to the collected digits */
if (digit != parser->terminator) {
/* if collected digits length >= the max length of the keys
* in the hash table, then left shift the digit string
*/
if (result != NULL || parser->terminator == digit) {
free(stream->digits);
stream->digits = NULL;
if (len > 0 && parser->maxlen != 0 && len >= parser->maxlen) {
char *src = stream->digits + 1;
char *dst = stream->digits;
while (*src) {
*(dst++) = *(src++);
}
*dst = digit;
} else {
*(stream->digits + (len++)) = digit;
*(stream->digits + len) = '\0';
stream->last_digit_time = switch_micro_time_now() / 1000;
}
}
}
/* don't allow collected digit string testing if there are varying sized keys until timeout */
if (parser->maxlen - parser->minlen > 0 && (switch_micro_time_now() / 1000) - stream->last_digit_time < parser->digit_timeout_ms) {
len = 0;
}
/* if we have digits to test */
if (len) {
result = switch_core_hash_find(parser->hash, stream->digits);
/* if we matched the digit string, or this digit is the terminator
* reset the collected digits for next digit string
*/
if (result != NULL || parser->terminator == digit) {
*stream->digits = '\0';
}
}
return result;
}
SWITCH_DECLARE(switch_status_t) switch_ivr_digit_stream_reset(switch_ivr_digit_stream_t *stream)
{
switch_status_t status = SWITCH_STATUS_FALSE;
switch_assert(stream);
switch_assert(stream->digits);
if (stream != NULL && stream->digits != NULL) {
free(stream->digits);
stream->digits = NULL;
stream->last_digit_time = 0;
status = SWITCH_STATUS_SUCCESS;
}
*stream->digits = '\0';
stream->last_digit_time = 0;
status = SWITCH_STATUS_SUCCESS;
return status;
}