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/*
* Private sections parser
* Copyright (C) 2010-2011 Unix Solutions Ltd.
*
* Released under MIT license.
* See LICENSE-MIT.txt for license terms.
*/
#include <stdio.h>
#include <unistd.h>
#include <netdb.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "tsfuncs.h"
struct ts_privsec *ts_privsec_alloc() {
struct ts_privsec *privsec = calloc(1, sizeof(struct ts_privsec));
privsec->section_header = ts_section_data_alloc();
return privsec;
}
void ts_privsec_clear(struct ts_privsec *privsec) {
if (!privsec)
return;
// save
struct ts_section_header *section_header = privsec->section_header;
// clear
ts_section_data_clear(section_header);
memset(privsec, 0, sizeof(struct ts_privsec));
// restore
privsec->section_header = section_header;
}
void ts_privsec_free(struct ts_privsec **pprivsec) {
struct ts_privsec *privsec = *pprivsec;
if (privsec) {
ts_section_data_free(&privsec->section_header);
FREE(*pprivsec);
}
}
void ts_privsec_copy(struct ts_privsec *src, struct ts_privsec *dst) {
if (!src || !dst)
return;
dst->ts_header = src->ts_header;
dst->initialized = src->initialized;
ts_section_data_copy(src->section_header, dst->section_header);
}
struct ts_privsec *ts_privsec_push_packet(struct ts_privsec *privsec, uint8_t *ts_packet) {
struct ts_header ts_header;
memset(&ts_header, 0, sizeof(struct ts_header));
if (ts_packet_header_parse(ts_packet, &ts_header)) {
// Received PUSI packet before table END, clear the table to start gathering new one
if (ts_header.pusi && privsec->ts_header.pusi)
ts_privsec_clear(privsec);
if (!privsec->ts_header.pusi)
privsec->ts_header = ts_header;
}
if (ts_header.pusi) {
struct ts_section_header section_header;
memset(§ion_header, 0, sizeof(struct ts_section_header));
uint8_t *section_data = ts_section_header_parse(ts_packet, &privsec->ts_header, §ion_header);
if (!section_data) {
memset(&privsec->ts_header, 0, sizeof(struct ts_header));
goto OUT;
}
// Set correct section_header
ts_section_header_parse(ts_packet, &privsec->ts_header, privsec->section_header);
}
if (!privsec->initialized) {
ts_section_add_packet(privsec->section_header, &ts_header, ts_packet);
if (privsec->section_header->initialized) {
privsec->initialized = 1;
}
}
OUT:
return privsec;
}
int ts_privsec_is_same(struct ts_privsec *p1, struct ts_privsec *p2) {
if (p1 == p2) return 1; // Same
if ((!p1 && p2) || (p1 && !p2)) return 0; // Not same (one is NULL)
if (p1->section_header->section_length != p1->section_header->section_length) return 0; // Not same
return memcmp(p1->section_header->section_data, p2->section_header->section_data, p1->section_header->section_length) == 0;
}
void ts_privsec_dump(struct ts_privsec *privsec) {
struct ts_section_header *sec = privsec->section_header;
ts_section_dump(sec);
char *data = ts_hex_dump(sec->data, sec->data_len, 16);
ts_LOGf(" * Section data:\n%s\n", data);
FREE(data);
}
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