eitd/SIsections.cpp/hpp: remove unused code, test new event parsing

This commit is contained in:
[CST] Focus
2012-02-08 18:46:22 +04:00
parent 231b52d310
commit 369671c36e
2 changed files with 38 additions and 224 deletions

View File

@@ -28,7 +28,6 @@
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/poll.h> // fuer poll()
#include <set>
#include <algorithm>
@@ -44,6 +43,8 @@
#include "FreesatTables.hpp"
#endif
#include <dvbsi++/descriptor_tag.h>
struct descr_generic_header {
unsigned descriptor_tag : 8;
unsigned descriptor_length : 8;
@@ -82,30 +83,6 @@ struct service_list_entry {
unsigned service_type : 8;
} __attribute__ ((packed)) ;
struct digplus_order_entry {
unsigned service_id_hi : 8;
unsigned service_id_lo : 8;
unsigned channel_number_hi : 8;
unsigned channel_number_lo : 8;
} __attribute__ ((packed)) ;
struct bskyb_order_entry {
unsigned service_id_hi : 8;
unsigned service_id_lo : 8;
unsigned service_type : 8;
unsigned unknown1 : 8;
unsigned unknown2 : 8;
unsigned channel_number_hi : 8;
unsigned channel_number_lo : 8;
unsigned unknown3 : 8;
unsigned unknown4 : 8;
} __attribute__ ((packed)) ;
struct bskyb_bid {
unsigned unknown1 : 8;
unsigned unknown2 : 8;
} __attribute__ ((packed)) ;
struct private_data_specifier {
unsigned byte1 : 8;
unsigned byte2 : 8;
@@ -441,25 +418,22 @@ void SIsectionEIT::parseDescriptors(const uint8_t *des, unsigned len, SIevent &e
// Die infos aus dem Puffer holen
void SIsectionEIT::parse(void)
{
if (!buffer || parsed)
return;
#if 0
const uint8_t *actPos;
const uint8_t *bufEnd;
struct eit_event *evt;
unsigned short descriptors_loop_length;
if (!buffer || parsed)
return;
if (bufferLength < sizeof(SI_section_EIT_header) + sizeof(struct eit_event)) {
bufferLength=0;
return;
}
#if 0
unsigned char table_id = header()->table_id;
unsigned char version_number = header()->version_number;
#endif
unsigned char table_id = getTableId();
unsigned char version_number = getVersionNumber();
actPos = buffer + sizeof(SI_section_EIT_header);
bufEnd = buffer + bufferLength;
@@ -476,7 +450,30 @@ void SIsectionEIT::parse(void)
evts.insert(e);
actPos += descriptors_loop_length;
}
#endif
#if 1
const EventList &elist = *getEvents();
if(elist.empty())
return;
t_service_id sid = getTableIdExtension();
t_original_network_id onid = getOriginalNetworkId();
t_transport_stream_id tsid = getTransportStreamId();
unsigned char tid = getTableId();
unsigned char version = getVersionNumber();
for (EventConstIterator eit = elist.begin(); eit != elist.end(); ++eit) {
Event &event = (**eit);
SIevent e(onid, tsid, sid, event.getEventId());
e.table_id = tid;
e.version = version;
e.parse(event);
evts.insert(e);
}
#endif
parsed = 1;
}

View File

@@ -128,17 +128,17 @@ struct SI_section_header {
} __attribute__ ((packed)) ; // 8 bytes
class SIsection: public LongSection
class SIsection //: public LongSection
{
public:
//SIsection(void) { buffer = 0; bufferLength = 0;}
// Benutzt den uebergebenen Puffer (sollte mit new char[n] allokiert sein)
SIsection(uint8_t *buf) : LongSection(buf)
SIsection(uint8_t *buf) //: LongSection(buf)
{
buffer = NULL;
bufferLength = 0;
unsigned bufLength = 3 + getSectionLength();
//unsigned bufLength = 3 + getSectionLength();
unsigned bufLength = 3 + (((struct SI_section_header*) buf)->section_length_hi << 8 | ((struct SI_section_header*) buf)->section_length_lo);
if ((buf) && (bufLength >= sizeof(struct SI_section_header))) {
buffer = buf;
bufferLength = bufLength;
@@ -150,177 +150,16 @@ public:
bufferLength = 0;
}
#if 0
unsigned char tableID(void) const {
return buffer ? ((struct SI_section_header *)buffer)->table_id : (unsigned char) -1;
}
unsigned short tableIDextension(void) const {
return buffer ? ((((struct SI_section_header *)buffer)->table_id_extension_hi << 8) |
((struct SI_section_header *)buffer)->table_id_extension_lo) : (unsigned short) -1;
}
unsigned char sectionNumber(void) const {
return buffer ? ((struct SI_section_header *)buffer)->section_number : (unsigned char) -1;
}
unsigned char versionNumber(void) const {
return buffer ? ((struct SI_section_header *)buffer)->version_number : (unsigned char) -1;
}
unsigned char currentNextIndicator(void) const {
return buffer ? ((struct SI_section_header *)buffer)->current_next_indicator : (unsigned char) -1;
}
unsigned char lastSectionNumber(void) const {
return buffer ? ((struct SI_section_header *)buffer)->last_section_number : (unsigned char) -1;
}
#endif
struct SI_section_header const *header(void) const {
return (struct SI_section_header *)buffer;
}
static uint64_t key(const struct SI_section_header *header) {
// Der eindeutige Key einer SIsection besteht aus 1 Byte Table-ID,
// 2 Byte Table-ID-extension, 1 Byte Section number
// 1 Byte Version number und 1 Byte current_next_indicator
if (!header)
return (uint64_t) -1;
return (((uint64_t)header->table_id) << 40) +
(((uint64_t)header->table_id_extension_hi) << 32) +
(((uint64_t)header->table_id_extension_lo) << 24) +
(((uint64_t)header->section_number) << 16) +
(((uint64_t)header->version_number) << 8) +
(((uint64_t)header->current_next_indicator));
}
uint64_t key(void) const {
return buffer ? key(header()) : (uint64_t) -1;
}
// Der Operator zum sortieren
bool operator < (const SIsection& s) const {
return key() < s.key();
}
static void dumpSmallSectionHeader(const struct SI_section_header *header) {
if (!header)
return;
printf("\ntable_id: 0x%02x ", header->table_id);
printf("table_id_extension: 0x%02x%02x", header->table_id_extension_hi, header->table_id_extension_lo);
printf("section_number: 0x%02x\n", header->section_number);
}
static void dumpSmallSectionHeader(const SIsection &s) {
dumpSmallSectionHeader((struct SI_section_header *)s.buffer);
}
void dumpSmallSectionHeader(void) const {
dumpSmallSectionHeader((struct SI_section_header *)buffer);
}
int saveBufferToFile(FILE *file) const {
if (!file)
return 1;
return (fwrite(buffer, bufferLength, 1, file) != 1);
}
int saveBufferToFile(const char *filename) const {
if (!filename)
return 2;
FILE *file = fopen(filename, "wb");
if (file) {
int rc = saveBufferToFile(file);
fclose(file);
return rc;
}
return 2;
}
static void dump1(const struct SI_section_header *header) {
if (!header)
return;
printf("\ntable_id: 0x%02x\n", header->table_id);
printf("section_syntax_indicator: 0x%02x\n", header->section_syntax_indicator);
printf("section_length: %hu\n", (header->section_length_hi << 8) | header->section_length_lo);
}
static void dump2(const struct SI_section_header *header) {
if (!header)
return;
printf("version_number: 0x%02x\n", header->version_number);
printf("current_next_indicator: 0x%02x\n", header->current_next_indicator);
printf("section_number: 0x%02x\n", header->section_number);
printf("last_section_number: 0x%02x\n", header->last_section_number);
}
static void dump(const struct SI_section_header *header) {
if (!header)
return;
dump1(header);
printf("table_id_extension: 0x%02x%02x\n", header->table_id_extension_hi, header->table_id_extension_lo);
dump2(header);
}
static void dump(const SIsection &s) {
dump((struct SI_section_header *)s.buffer);
}
void dump(void) const {
dump((struct SI_section_header *)buffer);
}
protected:
uint8_t *buffer;
unsigned bufferLength;
};
// Fuer for_each
struct printSIsection : public std::unary_function<SIsection, void>
{
void operator() (const SIsection &s) { s.dump();}
};
// Fuer for_each
struct printSmallSIsectionHeader : public std::unary_function<SIsection, void>
{
void operator() (const SIsection &s) { s.dumpSmallSectionHeader();}
};
class SIsections : public std::set <SIsection, std::less<SIsection> >
class SIsectionEIT : public SIsection, public EventInformationSection
{
public:
// Liefert 0 falls kein Fehler
// Algo:
// (1) Segment lesen (wird zum ersten Segment deklariert)
// (2) Falls Segmentnummer = letze Segmentnummer = 0 dann fertig, sonst
// (3) alle Segment lesen bis erstes wieder kommt
// (4) fehlende Segmente (s. last_section_number) versuchen zu lesen
// Der Timeout gilt fuer jeden der 3 Abschnitte, d.h. maximal dauert
// es 3 x timeout.
// Mit readNext=0 werden nur aktuelle Sections gelesen (current_next_indicator = 1)
int readSections(unsigned short pid, unsigned char filter, unsigned char mask, int readNext=0, unsigned timeoutInSeconds=10);
};
class SIsectionEIT : public SIsection
{
public:
SIsectionEIT(const SIsection &s) : SIsection(s) {
parsed = 0;
parse();
}
// Std-Copy
SIsectionEIT(const SIsectionEIT &s) : SIsection(s) {
evts = s.evts;
parsed = s.parsed;
}
// Benutzt den uebergebenen Puffer (sollte mit new char[n] allokiert sein)
SIsectionEIT(uint8_t *buf) : SIsection(buf) {
SIsectionEIT(uint8_t *buf) : SIsection(buf), EventInformationSection(buf)
{
parsed = 0;
parse();
}
@@ -344,28 +183,6 @@ public:
return (struct SI_section_EIT_header *)buffer;
}
static void dump(const struct SI_section_EIT_header *header) {
if (!header)
return;
SIsection::dump1((const struct SI_section_header *)header);
printf("service_id: 0x%02x%02x\n", header->service_id_hi, header->service_id_lo);
SIsection::dump2((const struct SI_section_header *)header);
printf("transport_stream_id 0x%02x%02x\n", header->transport_stream_id_hi, header->transport_stream_id_lo);
printf("original_network_id 0x%02x%02x\n", header->original_network_id_hi, header->original_network_id_lo);
printf("segment_last_section_number: 0x%02x\n", header->segment_last_section_number);
printf("last_table_id 0x%02x\n", header->last_table_id);
}
static void dump(const SIsectionEIT &s) {
dump((struct SI_section_EIT_header *)s.buffer);
for_each(s.evts.begin(), s.evts.end(), printSIevent());
}
void dump(void) const {
dump((struct SI_section_EIT_header *)buffer);
for_each(evts.begin(), evts.end(), printSIevent());
}
const SIevents &events(void) const {
//if(!parsed)
// parse(); -> nicht const
@@ -427,7 +244,7 @@ public:
return buffer ? ((((struct SI_section_SDT_header *)buffer)->original_network_id_hi << 8) |
((struct SI_section_SDT_header *)buffer)->original_network_id_lo) : 0;
}
#if 0
static void dump(const struct SI_section_SDT_header *header) {
if (!header)
return;
@@ -446,7 +263,7 @@ public:
dump((struct SI_section_SDT_header *)buffer);
for_each(svs.begin(), svs.end(), printSIservice());
}
#endif
const SIservices &services(void) const {
//if(!parsed)
// parse(); -> nicht const