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freeswitch
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doh

This commit is contained in:
Anthony Minessale 2010-12-15 09:39:42 -06:00
parent c4154633cc
commit 5fd5ee0d48
2 changed files with 499 additions and 195 deletions
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604
libs/stfu/stfu.c
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@ -33,11 +33,19 @@
# define UINT_MAX 4294967295U
#endif
#ifndef UINT16_MAX
# define UINT16_MAX 65535
#endif
#ifdef _MSC_VER
/* warning C4706: assignment within conditional expression*/
#pragma warning(disable: 4706)
#endif
#define least1(_z) (_z ? _z : 1)
static int stfu_log_level = 7;
struct stfu_queue {
struct stfu_frame *array;
struct stfu_frame int_frame;
@ -53,13 +61,13 @@ typedef struct stfu_queue stfu_queue_t;
struct stfu_instance {
struct stfu_queue a_queue;
struct stfu_queue b_queue;
struct stfu_queue c_queue;
struct stfu_queue *in_queue;
struct stfu_queue *out_queue;
struct stfu_queue *old_queue;
struct stfu_frame *last_frame;
uint32_t cur_ts;
uint32_t cur_seq;
uint32_t last_wr_ts;
uint32_t last_wr_seq;
uint32_t last_rd_ts;
uint32_t samples_per_packet;
uint32_t samples_per_second;
@ -76,6 +84,7 @@ struct stfu_instance {
uint32_t period_packet_in_count;
uint32_t period_packet_out_count;
uint32_t period_missing_count;
uint32_t period_need_range;
uint32_t period_need_range_avg;
uint32_t period_clean_count;
@ -86,25 +95,55 @@ struct stfu_instance {
uint32_t session_packet_in_count;
uint32_t session_packet_out_count;
uint32_t sync;
uint32_t sync_out;
uint32_t sync_in;
int32_t ts_diff;
int32_t last_ts_diff;
int32_t same_ts;
uint32_t last_seq;
uint32_t period_time;
uint32_t decrement_time;
uint32_t plc_len;
uint32_t plc_pt;
uint32_t diff;
uint32_t diff_total;
uint8_t ready;
uint8_t debug;
char *name;
stfu_n_call_me_t callback;
void *udata;
};
static void stfu_n_reset_counters(stfu_instance_t *i);
static void null_logger(const char *file, const char *func, int line, int level, const char *fmt, ...);
static void default_logger(const char *file, const char *func, int line, int level, const char *fmt, ...);
stfu_logger_t stfu_log = null_logger;
void stfu_global_set_logger(stfu_logger_t logger)
{
if (logger) {
stfu_log = logger;
} else {
stfu_log = null_logger;
}
}
void stfu_global_set_default_logger(int level)
{
if (level < 0 || level > 7) {
level = 7;
}
stfu_log = default_logger;
stfu_log_level = level;
}
static stfu_status_t stfu_n_resize_aqueue(stfu_queue_t *queue, uint32_t qlen)
{
@ -151,12 +190,27 @@ void stfu_n_destroy(stfu_instance_t **i)
if (i && *i) {
ii = *i;
*i = NULL;
if (ii->name) free(ii->name);
free(ii->a_queue.array);
free(ii->b_queue.array);
free(ii->c_queue.array);
free(ii);
}
}
void stfu_n_debug(stfu_instance_t *i, const char *name)
{
if (i->name) free(i->name);
if (name) {
i->name = strdup(name);
i->debug = 1;
} else {
i->name = strdup("none");
i->debug = 0;
}
}
void stfu_n_report(stfu_instance_t *i, stfu_report_t *r)
{
assert(i);
@ -172,7 +226,6 @@ stfu_status_t stfu_n_resize(stfu_instance_t *i, uint32_t qlen)
stfu_status_t s;
if (i->qlen == i->max_qlen) {
printf("FUCKER1\n");
return STFU_IT_FAILED;
}
@ -180,13 +233,14 @@ stfu_status_t stfu_n_resize(stfu_instance_t *i, uint32_t qlen)
if (i->qlen < i->max_qlen) {
qlen = i->max_qlen;
} else {
printf("FUCKER2\n");
return STFU_IT_FAILED;
}
}
if ((s = stfu_n_resize_aqueue(&i->a_queue, qlen)) == STFU_IT_WORKED) {
s = stfu_n_resize_aqueue(&i->b_queue, qlen);
s = stfu_n_resize_aqueue(&i->c_queue, qlen);
i->qlen = qlen;
i->max_plc = 5;
i->last_frame = NULL;
@ -205,11 +259,6 @@ stfu_instance_t *stfu_n_init(uint32_t qlen, uint32_t max_qlen, uint32_t samples_
}
memset(i, 0, sizeof(*i));
#ifdef DB_JB
printf("INIT %u %u\n", qlen, max_qlen);
#endif
i->qlen = qlen;
i->max_qlen = max_qlen;
i->orig_qlen = qlen;
@ -217,8 +266,12 @@ stfu_instance_t *stfu_n_init(uint32_t qlen, uint32_t max_qlen, uint32_t samples_
stfu_n_init_aqueue(&i->a_queue, qlen);
stfu_n_init_aqueue(&i->b_queue, qlen);
stfu_n_init_aqueue(&i->c_queue, qlen);
i->in_queue = &i->a_queue;
i->out_queue = &i->b_queue;
i->old_queue = &i->c_queue;
i->name = strdup("none");
i->max_plc = i->qlen / 2;
@ -232,9 +285,9 @@ stfu_instance_t *stfu_n_init(uint32_t qlen, uint32_t max_qlen, uint32_t samples_
static void stfu_n_reset_counters(stfu_instance_t *i)
{
#ifdef DB_JB
printf("COUNTER RESET........\n");
#endif
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s COUNTER RESET........\n", i->name);
}
if (i->callback) {
i->callback(i, i->udata);
@ -248,36 +301,44 @@ static void stfu_n_reset_counters(stfu_instance_t *i)
i->period_packet_in_count = 0;
i->period_packet_out_count = 0;
i->period_missing_count = 0;
i->period_need_range = 0;
i->period_need_range_avg = 0;
i->diff = 0;
i->diff_total = 0;
}
void stfu_n_reset(stfu_instance_t *i)
{
#ifdef DB_JB
printf("RESET\n");
#endif
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s RESET\n", i->name);
}
i->ready = 0;
i->in_queue = &i->a_queue;
i->out_queue = &i->b_queue;
i->old_queue = &i->c_queue;
i->in_queue->array_len = 0;
i->out_queue->array_len = 0;
i->out_queue->wr_len = 0;
i->last_frame = NULL;
i->in_queue->last_jitter = 0;
i->out_queue->last_jitter = 0;
stfu_n_reset_counters(i);
i->last_seq = 0;
stfu_n_sync(i, 1);
i->cur_ts = 0;
i->cur_seq = 0;
i->last_wr_ts = 0;
i->last_wr_seq = 0;
i->last_rd_ts = 0;
i->miss_count = 0;
i->packet_count = 0;
}
stfu_status_t stfu_n_sync(stfu_instance_t *i, uint32_t packets)
@ -286,20 +347,39 @@ stfu_status_t stfu_n_sync(stfu_instance_t *i, uint32_t packets)
if (packets > i->qlen) {
stfu_n_reset(i);
} else {
i->sync = packets;
i->sync_out = packets;
i->sync_in = packets;
}
return STFU_IT_WORKED;
}
stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t seq, uint32_t pt, void *data, size_t datalen, int last)
static void stfu_n_swap(stfu_instance_t *i)
{
stfu_queue_t *last_in = i->in_queue, *last_out = i->out_queue, *last_old = i->old_queue;
i->ready = 1;
i->in_queue = last_out;
i->out_queue = last_old;
i->old_queue = last_in;
i->in_queue->array_len = 0;
i->out_queue->wr_len = 0;
i->last_frame = NULL;
i->miss_count = 0;
i->in_queue->last_index = 0;
i->out_queue->last_index = 0;
i->out_queue->last_jitter = 0;
}
stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t pt, void *data, size_t datalen, int last)
{
uint32_t index = 0;
stfu_frame_t *frame;
size_t cplen = 0;
int good_seq = 0, good_ts = 0;
uint32_t min_seq = UINT_MAX, min_ts = UINT_MAX, min_index = 0;
int good_ts = 0;
if (!i->samples_per_packet && ts && i->last_rd_ts) {
i->ts_diff = ts - i->last_rd_ts;
@ -320,16 +400,27 @@ stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t seq, uin
}
}
if ((seq && seq == i->last_seq + 1) || (i->last_seq > 65500 && seq == 0)) {
good_seq = 1;
}
if ((ts && ts == i->last_rd_ts + i->samples_per_packet) || (i->last_rd_ts > 4294900000 && ts < 5000)) {
if (i->sync_in) {
good_ts = 1;
i->sync_in = 0;
} else {
if ((ts && ts == i->last_rd_ts + i->samples_per_packet) || (i->last_rd_ts > 4294900000 && ts < 5000)) {
good_ts = 1;
}
if (i->last_wr_ts) {
if ((ts <= i->last_wr_ts && (i->last_wr_ts != UINT_MAX || ts == i->last_wr_ts))) {
stfu_log(STFU_LOG_EMERG, "%s TOO LATE !!! %u \n\n\n", i->name, ts);
if (i->in_queue->array_len < i->in_queue->array_size) {
i->in_queue->array_len++;
}
return STFU_ITS_TOO_LATE;
}
}
}
if (good_seq || good_ts) {
if (good_ts) {
i->period_clean_count++;
i->session_clean_count++;
}
@ -337,12 +428,12 @@ stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t seq, uin
i->period_packet_in_count++;
i->session_packet_in_count++;
i->period_need_range_avg = i->period_need_range / (i->period_missing_count || 1);
i->period_need_range_avg = i->period_need_range / least1(i->period_missing_count);
if (i->period_missing_count > i->qlen * 2) {
#ifdef DB_JB
printf("resize %u %u\n", i->qlen, i->qlen + 1);
#endif
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s resize %u %u\n", i->name, i->qlen, i->qlen + 1);
}
stfu_n_resize(i, i->qlen + 1);
stfu_n_reset_counters(i);
} else {
@ -353,7 +444,24 @@ stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t seq, uin
}
}
i->diff = 0;
if (i->last_wr_ts) {
if (ts < 1000 && i->last_wr_ts > (UINT_MAX - 1000)) {
i->diff = abs(((UINT_MAX - i->last_wr_ts) + ts) / i->samples_per_packet);
} else if (ts) {
i->diff = abs(i->last_wr_ts - ts) / i->samples_per_packet;
}
}
i->diff_total += i->diff;
if ((i->period_packet_in_count > i->period_time)) {
uint32_t avg;
avg = i->diff_total / least1(i->period_packet_in_count);
i->period_packet_in_count = 0;
if (i->period_missing_count == 0 && i->qlen > i->orig_qlen) {
@ -364,68 +472,38 @@ stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t seq, uin
stfu_n_reset_counters(i);
}
#ifdef DB_JB
printf("%u i=%u/%u - g:%u/%u c:%u/%u b:%u - %u/%u - %u %d\n",
i->qlen, i->period_packet_in_count, i->period_time, i->consecutive_good_count,
i->decrement_time, i->period_clean_count, i->decrement_time, i->consecutive_bad_count,
seq, ts,
i->period_missing_count, i->period_need_range_avg);
#endif
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s %u i=%u/%u - g:%u/%u c:%u/%u b:%u - %u:%u - %u %d %u %u %d %d\n", i->name,
i->qlen, i->period_packet_in_count, i->period_time, i->consecutive_good_count,
i->decrement_time, i->period_clean_count, i->decrement_time, i->consecutive_bad_count,
ts, ts / i->samples_per_packet,
i->period_missing_count, i->period_need_range_avg,
i->last_wr_ts, ts, i->diff, i->diff_total / least1(i->period_packet_in_count));
}
if (last || i->in_queue->array_len == i->in_queue->array_size) {
stfu_queue_t *other_queue;
other_queue = i->in_queue;
i->in_queue = i->out_queue;
i->out_queue = other_queue;
i->in_queue->array_len = 0;
i->out_queue->wr_len = 0;
i->last_frame = NULL;
i->miss_count = 0;
i->in_queue->last_index = 0;
i->out_queue->last_index = 0;
i->out_queue->last_jitter = 0;
stfu_n_swap(i);
}
if (last) {
return STFU_IM_DONE;
}
for(index = 0; index < i->in_queue->array_size; index++) {
if (i->in_queue->array[index].was_read) {
min_index = index;
break;
}
if (i->in_queue->array[index].seq < min_seq) {
min_seq = i->in_queue->array[index].seq;
min_index = index;
}
if (i->in_queue->array[index].ts < min_ts) {
min_ts = i->in_queue->array[index].ts;
min_index = index;
}
}
index = min_index;
if (i->in_queue->array_len < i->in_queue->array_size) {
i->in_queue->array_len++;
}
index = i->in_queue->array_len++;
assert(index < i->in_queue->array_size);
frame = &i->in_queue->array[index];
if (i->in_queue->array_len == i->in_queue->array_size) {
stfu_n_swap(i);
}
if ((cplen = datalen) > sizeof(frame->data)) {
cplen = sizeof(frame->data);
}
i->last_seq = seq;
i->last_rd_ts = ts;
i->packet_count++;
@ -433,44 +511,13 @@ stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t seq, uin
frame->pt = pt;
frame->ts = ts;
frame->seq = seq;
frame->dlen = cplen;
frame->was_read = 0;
return STFU_IT_WORKED;
}
static int stfu_n_find_any_frame(stfu_instance_t *in, stfu_frame_t **r_frame)
{
uint32_t i = 0;
stfu_frame_t *frame = NULL;
stfu_queue_t *queue;
assert(r_frame);
*r_frame = NULL;
for (queue = in->out_queue ; queue && queue != in->in_queue ; queue = in->in_queue) {
for(i = 0; i < queue->real_array_size; i++) {
frame = &queue->array[i];
if (!frame->was_read) {
*r_frame = frame;
queue->last_index = i;
frame->was_read = 1;
in->period_packet_out_count++;
in->session_packet_out_count++;
return 1;
}
}
}
return 0;
}
static int stfu_n_find_frame(stfu_instance_t *in, stfu_queue_t *queue, uint32_t ts, uint32_t seq, stfu_frame_t **r_frame)
static int stfu_n_find_any_frame(stfu_instance_t *in, stfu_queue_t *queue, stfu_frame_t **r_frame)
{
uint32_t i = 0;
stfu_frame_t *frame = NULL;
@ -481,8 +528,7 @@ static int stfu_n_find_frame(stfu_instance_t *in, stfu_queue_t *queue, uint32_t
for(i = 0; i < queue->real_array_size; i++) {
frame = &queue->array[i];
if (((seq || in->last_seq) && frame->seq == seq) || frame->ts == ts) {
if (!frame->was_read) {
*r_frame = frame;
queue->last_index = i;
frame->was_read = 1;
@ -492,6 +538,34 @@ static int stfu_n_find_frame(stfu_instance_t *in, stfu_queue_t *queue, uint32_t
}
}
return 0;
}
static int stfu_n_find_frame(stfu_instance_t *in, stfu_queue_t *queue, uint32_t ts, stfu_frame_t **r_frame)
{
uint32_t i = 0;
stfu_frame_t *frame = NULL;
if (r_frame) {
*r_frame = NULL;
}
for(i = 0; i < queue->array_size; i++) {
frame = &queue->array[i];
if (frame->ts == ts) {
if (r_frame) {
*r_frame = frame;
queue->last_index = i;
frame->was_read = 1;
in->period_packet_out_count++;
in->session_packet_out_count++;
}
return 1;
}
}
return 0;
}
@ -500,48 +574,76 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
stfu_frame_t *rframe = NULL;
int found = 0;
if (!i->samples_per_packet || !i->out_queue->array_len) {
//|| ((i->out_queue->wr_len == i->out_queue->array_len) || !i->out_queue->array_len)) {
return NULL;
}
if (i->cur_ts == 0) {
i->cur_ts = i->out_queue->array[0].ts;
} else {
i->cur_ts += i->samples_per_packet;
if (!i->samples_per_packet) {
return NULL;
}
if (i->cur_seq == 0) {
i->cur_seq = i->out_queue->array[0].seq;
if (!i->ready) {
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s XXXSKIP\n", i->name);
}
return NULL;
}
if (i->cur_ts == 0 && i->last_wr_ts < 1000) {
uint32_t x = 0;
for (x = 0; x < i->out_queue->array_len; x++) {
if (!i->out_queue->array[x].was_read) {
i->cur_ts = i->out_queue->array[x].ts;
break;
}
if (i->cur_ts == 0) {
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s XXXPUNT\n", i->name);
return NULL;
}
}
}
} else {
i->cur_seq++;
/* if we bother using this for anything that doesn't have 16 bit seq, we'll make this a param */
if (i->cur_seq == 65535) {
i->cur_seq = 0;
i->cur_ts = i->cur_ts + i->samples_per_packet;
}
found = stfu_n_find_frame(i, i->out_queue, i->cur_ts, &rframe);
if (found) {
if (i->out_queue->array_len) {
i->out_queue->array_len--;
}
} else {
found = stfu_n_find_frame(i, i->in_queue, i->cur_ts, &rframe);
if (!found) {
found = stfu_n_find_frame(i, i->old_queue, i->cur_ts, &rframe);
}
}
if (!(found = stfu_n_find_frame(i, i->out_queue, i->cur_ts, i->cur_seq, &rframe))) {
found = stfu_n_find_frame(i, i->in_queue, i->cur_ts, i->cur_seq, &rframe);
if (i->sync_out) {
if (!found) {
if ((found = stfu_n_find_any_frame(i, i->out_queue, &rframe))) {
i->cur_ts = rframe->ts;
}
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s SYNC %u %u:%u\n", i->name, i->sync_out, i->cur_ts, i->cur_ts / i->samples_per_packet);
}
}
i->sync_out = 0;
}
if (!found && i->sync) {
#ifdef DB_JB
printf("SYNC %u\n", i->sync);
#endif
if ((found = stfu_n_find_any_frame(i, &rframe))) {
i->cur_seq = rframe->seq;
i->cur_ts = rframe->ts;
if (!i->cur_ts) {
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s NO TS\n", i->name);
}
i->sync = 0;
return NULL;
}
if (!found && i->samples_per_packet) {
#ifdef DB_JB
int y;
stfu_frame_t *frame = NULL;
#endif
int32_t delay = i->last_rd_ts - i->cur_ts;
uint32_t need = abs(i->last_rd_ts - i->cur_ts) / i->samples_per_packet;
@ -550,30 +652,32 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
i->session_missing_count++;
i->period_need_range += need;
#ifdef DB_JB
printf("MISSING %u %u %u %u %d %u %d\n", i->cur_seq, i->cur_ts, i->packet_count, i->last_rd_ts, delay, i->qlen, need);
#endif
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s MISSING %u:%u %u %u %d %u %d\n", i->name,
i->cur_ts, i->cur_ts / i->samples_per_packet, i->packet_count, i->last_rd_ts, delay, i->qlen, need);
}
if (i->packet_count > i->orig_qlen * 100 && delay > 0 && need > i->qlen && need < (i->qlen + 5)) {
i->packet_count = 0;
}
#ifdef DB_JB
for(y = 0; y < i->out_queue->array_size; y++) {
if ((y % 5) == 0) printf("\n");
frame = &i->out_queue->array[y];
printf("%u:%u\t", frame->seq, frame->ts);
}
printf("\n\n");
if (stfu_log != null_logger && i->debug) {
for(y = 0; y < i->out_queue->array_size; y++) {
if ((y % 5) == 0) stfu_log(STFU_LOG_EMERG, "\n%s", i->name);
frame = &i->out_queue->array[y];
stfu_log(STFU_LOG_EMERG, "%u:%u\t", frame->ts, frame->ts / i->samples_per_packet);
}
stfu_log(STFU_LOG_EMERG, "%s\n", i->name);
for(y = 0; y < i->in_queue->array_size; y++) {
if ((y % 5) == 0) printf("\n");
frame = &i->in_queue->array[y];
printf("%u:%u\t", frame->seq, frame->ts);
for(y = 0; y < i->in_queue->array_size; y++) {
if ((y % 5) == 0) stfu_log(STFU_LOG_EMERG, "\n%s", i->name);
frame = &i->in_queue->array[y];
stfu_log(STFU_LOG_EMERG, "%u:%u\t", frame->ts, frame->ts / i->samples_per_packet);
}
stfu_log(STFU_LOG_EMERG, "%s\n\n\n", i->name);
}
printf("\n\n");
#endif
if (delay < 0) {
stfu_n_reset(i);
@ -581,14 +685,11 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
}
}
#ifdef DB_JB
if (found) {
printf("O: %u:%u %u %d\n", rframe->seq, rframe->ts, rframe->plc, rframe->seq - i->last_seq);
} else {
printf("DATA: %u %u %d %s %d\n", i->packet_count, i->consecutive_good_count, i->out_queue->last_jitter, found ? "found" : "not found", i->qlen);
if (stfu_log != null_logger && i->debug) {
if (found) {
stfu_log(STFU_LOG_EMERG, "%s O: %u:%u %u\n", i->name, rframe->ts, rframe->ts / i->samples_per_packet, rframe->plc);
}
}
#endif
if (found) {
i->consecutive_good_count++;
@ -602,36 +703,28 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
if (found) {
i->last_frame = rframe;
i->out_queue->wr_len++;
i->last_wr_ts = rframe->ts;
i->last_wr_seq = rframe->seq;
i->miss_count = 0;
i->out_queue->wr_len++;
i->last_wr_ts = rframe->ts;
i->miss_count = 0;
if (rframe->dlen) {
i->plc_len = rframe->dlen;
}
i->plc_pt = rframe->pt;
} else {
i->last_wr_ts = i->cur_ts;
i->last_wr_seq = i->cur_seq;
rframe = &i->out_queue->int_frame;
rframe->dlen = i->plc_len;
#if 0
if (i->last_frame) {
/* poor man's plc.. Copy the last frame, but we flag it so you can use a better one if you wish */
if (i->miss_count) {
memset(rframe->data, 255, rframe->dlen);
} else {
memcpy(rframe->data, i->last_frame->data, rframe->dlen);
}
}
#endif
rframe->pt = i->plc_pt;
rframe->ts = i->cur_ts;
i->miss_count++;
#ifdef DB_JB
printf("PLC %d %d %ld %u %u\n", i->miss_count, rframe->plc, rframe->dlen, rframe->seq, rframe->ts);
#endif
if (stfu_log != null_logger && i->debug) {
stfu_log(STFU_LOG_EMERG, "%s PLC %d %d %ld %u:%u\n", i->name,
i->miss_count, rframe->plc, rframe->dlen, rframe->ts, rframe->ts / i->samples_per_packet);
}
if (i->miss_count > i->max_plc) {
stfu_n_reset(i);
@ -639,9 +732,138 @@ stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
}
}
return rframe;
return rframe;
}
#ifdef WIN32
#ifndef vsnprintf
#define vsnprintf _vsnprintf
#endif
#endif
int vasprintf(char **ret, const char *format, va_list ap);
int stfu_vasprintf(char **ret, const char *fmt, va_list ap)
{
#if !defined(WIN32) && !defined(__sun)
return vasprintf(ret, fmt, ap);
#else
char *buf;
int len;
size_t buflen;
va_list ap2;
char *tmp = NULL;
#ifdef _MSC_VER
#if _MSC_VER >= 1500
/* hack for incorrect assumption in msvc header files for code analysis */
__analysis_assume(tmp);
#endif
ap2 = ap;
#else
va_copy(ap2, ap);
#endif
len = vsnprintf(tmp, 0, fmt, ap2);
if (len > 0 && (buf = malloc((buflen = (size_t) (len + 1)))) != NULL) {
len = vsnprintf(buf, buflen, fmt, ap);
*ret = buf;
} else {
*ret = NULL;
len = -1;
}
va_end(ap2);
return len;
#endif
}
int stfu_snprintf(char *buffer, size_t count, const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
ret = vsnprintf(buffer, count-1, fmt, ap);
if (ret < 0)
buffer[count-1] = '\0';
va_end(ap);
return ret;
}
static void null_logger(const char *file, const char *func, int line, int level, const char *fmt, ...)
{
if (file && func && line && level && fmt) {
return;
}
return;
}
static const char *LEVEL_NAMES[] = {
"EMERG",
"ALERT",
"CRIT",
"ERROR",
"WARNING",
"NOTICE",
"INFO",
"DEBUG",
NULL
};
static const char *cut_path(const char *in)
{
const char *p, *ret = in;
char delims[] = "/\\";
char *i;
for (i = delims; *i; i++) {
p = in;
while ((p = strchr(p, *i)) != 0) {
ret = ++p;
}
}
return ret;
}
static void default_logger(const char *file, const char *func, int line, int level, const char *fmt, ...)
{
const char *fp;
char *data;
va_list ap;
int ret;
if (level < 0 || level > 7) {
level = 7;
}
if (level > stfu_log_level) {
return;
}
fp = cut_path(file);
va_start(ap, fmt);
ret = stfu_vasprintf(&data, fmt, ap);
if (ret != -1) {
fprintf(stderr, "[%s] %s:%d %s() %s", LEVEL_NAMES[level], file, line, func, data);
free(data);
}
va_end(ap);
}
/* For Emacs:
* Local Variables:
* mode:c

90
libs/stfu/stfu.h
View File

@ -38,6 +38,8 @@ extern "C" {
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#ifdef _MSC_VER
#ifndef uint32_t
@ -62,6 +64,85 @@ typedef unsigned long in_addr_t;
#endif
#include <assert.h>
#ifdef WIN32
#include <winsock2.h>
#include <windows.h>
typedef SOCKET stfu_socket_t;
typedef unsigned __int64 uint64_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int16 uint16_t;
typedef unsigned __int8 uint8_t;
typedef __int64 int64_t;
typedef __int32 int32_t;
typedef __int16 int16_t;
typedef __int8 int8_t;
typedef intptr_t stfu_ssize_t;
typedef int stfu_filehandle_t;
#define STFU_SOCK_INVALID INVALID_SOCKET
#define strerror_r(num, buf, size) strerror_s(buf, size, num)
#if defined(STFU_DECLARE_STATIC)
#define STFU_DECLARE(type) type __stdcall
#define STFU_DECLARE_NONSTD(type) type __cdecl
#define STFU_DECLARE_DATA
#elif defined(STFU_EXPORTS)
#define STFU_DECLARE(type) __declspec(dllexport) type __stdcall
#define STFU_DECLARE_NONSTD(type) __declspec(dllexport) type __cdecl
#define STFU_DECLARE_DATA __declspec(dllexport)
#else
#define STFU_DECLARE(type) __declspec(dllimport) type __stdcall
#define STFU_DECLARE_NONSTD(type) __declspec(dllimport) type __cdecl
#define STFU_DECLARE_DATA __declspec(dllimport)
#endif
#else
#define STFU_DECLARE(type) type
#define STFU_DECLARE_NONSTD(type) type
#define STFU_DECLARE_DATA
#include <stdint.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <stdarg.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define STFU_SOCK_INVALID -1
typedef int stfu_socket_t;
typedef ssize_t stfu_ssize_t;
typedef int stfu_filehandle_t;
#endif
#define STFU_PRE __FILE__, __FUNCTION__, __LINE__
#define STFU_LOG_LEVEL_DEBUG 7
#define STFU_LOG_LEVEL_INFO 6
#define STFU_LOG_LEVEL_NOTICE 5
#define STFU_LOG_LEVEL_WARNING 4
#define STFU_LOG_LEVEL_ERROR 3
#define STFU_LOG_LEVEL_CRIT 2
#define STFU_LOG_LEVEL_ALERT 1
#define STFU_LOG_LEVEL_EMERG 0
#define STFU_LOG_DEBUG STFU_PRE, STFU_LOG_LEVEL_DEBUG
#define STFU_LOG_INFO STFU_PRE, STFU_LOG_LEVEL_INFO
#define STFU_LOG_NOTICE STFU_PRE, STFU_LOG_LEVEL_NOTICE
#define STFU_LOG_WARNING STFU_PRE, STFU_LOG_LEVEL_WARNING
#define STFU_LOG_ERROR STFU_PRE, STFU_LOG_LEVEL_ERROR
#define STFU_LOG_CRIT STFU_PRE, STFU_LOG_LEVEL_CRIT
#define STFU_LOG_ALERT STFU_PRE, STFU_LOG_LEVEL_ALERT
#define STFU_LOG_EMERG STFU_PRE, STFU_LOG_LEVEL_EMERG
typedef void (*stfu_logger_t)(const char *file, const char *func, int line, int level, const char *fmt, ...);
int stfu_vasprintf(char **ret, const char *fmt, va_list ap);
STFU_DECLARE_DATA extern stfu_logger_t stfu_log;
/*! Sets the logger for libstfu. Default is the null_logger */
void stfu_global_set_logger(stfu_logger_t logger);
/*! Sets the default log level for libstfu */
void stfu_global_set_default_logger(int level);
#define STFU_DATALEN 16384
#define STFU_QLEN 300
#define STFU_MAX_TRACK 256
@ -69,13 +150,13 @@ typedef unsigned long in_addr_t;
typedef enum {
STFU_IT_FAILED,
STFU_IT_WORKED,
STFU_IM_DONE
STFU_IM_DONE,
STFU_ITS_TOO_LATE
} stfu_status_t;
struct stfu_frame {
uint32_t ts;
uint32_t pt;
uint32_t seq;
uint8_t data[STFU_DATALEN];
size_t dlen;
uint8_t was_read;
@ -100,14 +181,15 @@ void stfu_n_report(stfu_instance_t *i, stfu_report_t *r);
void stfu_n_destroy(stfu_instance_t **i);
stfu_instance_t *stfu_n_init(uint32_t qlen, uint32_t max_qlen, uint32_t samples_per_packet, uint32_t samples_per_second);
stfu_status_t stfu_n_resize(stfu_instance_t *i, uint32_t qlen);
stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t seq, uint32_t pt, void *data, size_t datalen, int last);
stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint32_t pt, void *data, size_t datalen, int last);
stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i);
void stfu_n_reset(stfu_instance_t *i);
stfu_status_t stfu_n_sync(stfu_instance_t *i, uint32_t packets);
void stfu_n_call_me(stfu_instance_t *i, stfu_n_call_me_t callback, void *udata);
void stfu_n_debug(stfu_instance_t *i, const char *name);
#define stfu_im_done(i) stfu_n_add_data(i, 0, NULL, 0, 1)
#define stfu_n_eat(i,t,s,p,d,l) stfu_n_add_data(i, t, s, p, d, l, 0)
#define stfu_n_eat(i,t,p,d,l) stfu_n_add_data(i, t, p, d, l, 0)
#ifdef __cplusplus
}