bool
WaveReader::LoadListChunk(uint32_t aChunkSize,
nsAutoPtr<nsHTMLMediaElement::MetadataTags> &aTags)
{
// List chunks are always word (two byte) aligned.
NS_ABORT_IF_FALSE(mDecoder->GetResource()->Tell() % 2 == 0,
"LoadListChunk called with unaligned resource");
static const unsigned int MAX_CHUNK_SIZE = 1 << 16;
PR_STATIC_ASSERT(MAX_CHUNK_SIZE < UINT_MAX / sizeof(char));
if (aChunkSize > MAX_CHUNK_SIZE) {
return false;
}
nsAutoArrayPtr<char> chunk(new char[aChunkSize]);
if (!ReadAll(chunk.get(), aChunkSize)) {
return false;
}
static const uint32_t INFO_LIST_MAGIC = 0x494e464f;
const char *p = chunk.get();
if (ReadUint32BE(&p) != INFO_LIST_MAGIC) {
return false;
}
const waveIdToName ID_TO_NAME[] = {
{ 0x49415254, NS_LITERAL_CSTRING("artist") }, // IART
{ 0x49434d54, NS_LITERAL_CSTRING("comments") }, // ICMT
{ 0x49474e52, NS_LITERAL_CSTRING("genre") }, // IGNR
{ 0x494e414d, NS_LITERAL_CSTRING("name") }, // INAM
};
const char* const end = chunk.get() + aChunkSize;
aTags = new nsHTMLMediaElement::MetadataTags;
aTags->Init();
while (p + 8 < end) {
uint32_t id = ReadUint32BE(&p);
// Uppercase tag id, inspired by GStreamer's Wave parser.
id &= 0xDFDFDFDF;
uint32_t length = ReadUint32LE(&p);
// Subchunk shall not exceed parent chunk.
if (p + length > end) {
break;
}
nsCString val(p, length);
if (val[length - 1] == '\0') {
val.SetLength(length - 1);
}
// Chunks in List::INFO are always word (two byte) aligned. So round up if
// necessary.
length += length % 2;
p += length;
if (!IsUTF8(val)) {
continue;
}
for (size_t i = 0; i < mozilla::ArrayLength(ID_TO_NAME); ++i) {
if (id == ID_TO_NAME[i].id) {
aTags->Put(ID_TO_NAME[i].name, val);
break;
}
}
}
return true;
}
bool
WaveReader::LoadFormatChunk(uint32_t aChunkSize)
{
uint32_t rate, channels, frameSize, sampleFormat;
char waveFormat[WAVE_FORMAT_CHUNK_SIZE];
const char* p = waveFormat;
// RIFF chunks are always word (two byte) aligned.
NS_ABORT_IF_FALSE(mDecoder->GetResource()->Tell() % 2 == 0,
"LoadFormatChunk called with unaligned resource");
if (!ReadAll(waveFormat, sizeof(waveFormat))) {
return false;
}
PR_STATIC_ASSERT(sizeof(uint16_t) +
sizeof(uint16_t) +
sizeof(uint32_t) +
4 +
sizeof(uint16_t) +
sizeof(uint16_t) <= sizeof(waveFormat));
if (ReadUint16LE(&p) != WAVE_FORMAT_ENCODING_PCM) {
NS_WARNING("WAVE is not uncompressed PCM, compressed encodings are not supported");
return false;
}
channels = ReadUint16LE(&p);
rate = ReadUint32LE(&p);
// Skip over average bytes per second field.
p += 4;
frameSize = ReadUint16LE(&p);
sampleFormat = ReadUint16LE(&p);
// PCM encoded WAVEs are not expected to have an extended "format" chunk,
// but I have found WAVEs that have a extended "format" chunk with an
// extension size of 0 bytes. Be polite and handle this rather than
// considering the file invalid. This code skips any extension of the
// "format" chunk.
if (aChunkSize > WAVE_FORMAT_CHUNK_SIZE) {
char extLength[2];
const char* p = extLength;
if (!ReadAll(extLength, sizeof(extLength))) {
return false;
}
PR_STATIC_ASSERT(sizeof(uint16_t) <= sizeof(extLength));
uint16_t extra = ReadUint16LE(&p);
if (aChunkSize - (WAVE_FORMAT_CHUNK_SIZE + 2) != extra) {
NS_WARNING("Invalid extended format chunk size");
return false;
}
extra += extra % 2;
if (extra > 0) {
PR_STATIC_ASSERT(UINT16_MAX + (UINT16_MAX % 2) < UINT_MAX / sizeof(char));
nsAutoArrayPtr<char> chunkExtension(new char[extra]);
if (!ReadAll(chunkExtension.get(), extra)) {
return false;
}
}
}
// RIFF chunks are always word (two byte) aligned.
NS_ABORT_IF_FALSE(mDecoder->GetResource()->Tell() % 2 == 0,
"LoadFormatChunk left resource unaligned");
// Make sure metadata is fairly sane. The rate check is fairly arbitrary,
// but the channels check is intentionally limited to mono or stereo
// because that's what the audio backend currently supports.
unsigned int actualFrameSize = sampleFormat == 8 ? 1 : 2 * channels;
if (rate < 100 || rate > 96000 ||
channels < 1 || channels > MAX_CHANNELS ||
(frameSize != 1 && frameSize != 2 && frameSize != 4) ||
(sampleFormat != 8 && sampleFormat != 16) ||
frameSize != actualFrameSize) {
NS_WARNING("Invalid WAVE metadata");
return false;
}
ReentrantMonitorAutoEnter monitor(mDecoder->GetReentrantMonitor());
mSampleRate = rate;
mChannels = channels;
mFrameSize = frameSize;
if (sampleFormat == 8) {
mSampleFormat = FORMAT_U8;
} else {
mSampleFormat = FORMAT_S16;
}
return true;
}
bool
WaveReader::LoadAllChunks(nsAutoPtr<HTMLMediaElement::MetadataTags> &aTags)
{
// Chunks are always word (two byte) aligned.
NS_ABORT_IF_FALSE(mDecoder->GetResource()->Tell() % 2 == 0,
"LoadAllChunks called with unaligned resource");
bool loadFormatChunk = false;
bool findDataOffset = false;
for (;;) {
static const unsigned int CHUNK_HEADER_SIZE = 8;
char chunkHeader[CHUNK_HEADER_SIZE];
const char* p = chunkHeader;
if (!ReadAll(chunkHeader, sizeof(chunkHeader))) {
return false;
}
PR_STATIC_ASSERT(sizeof(uint32_t) * 2 <= CHUNK_HEADER_SIZE);
uint32_t magic = ReadUint32BE(&p);
uint32_t chunkSize = ReadUint32LE(&p);
int64_t chunkStart = GetPosition();
switch (magic) {
case FRMT_CHUNK_MAGIC:
loadFormatChunk = LoadFormatChunk(chunkSize);
if (!loadFormatChunk) {
return false;
}
break;
case LIST_CHUNK_MAGIC:
if (!aTags) {
LoadListChunk(chunkSize, aTags);
}
break;
case DATA_CHUNK_MAGIC:
findDataOffset = FindDataOffset(chunkSize);
return loadFormatChunk && findDataOffset;
default:
break;
}
// RIFF chunks are two-byte aligned, so round up if necessary.
chunkSize += chunkSize % 2;
// Move forward to next chunk
CheckedInt64 forward = CheckedInt64(chunkStart) + chunkSize - GetPosition();
if (!forward.isValid() || forward.value() < 0) {
return false;
}
static const int64_t MAX_CHUNK_SIZE = 1 << 16;
PR_STATIC_ASSERT(uint64_t(MAX_CHUNK_SIZE) < UINT_MAX / sizeof(char));
nsAutoArrayPtr<char> chunk(new char[MAX_CHUNK_SIZE]);
while (forward.value() > 0) {
int64_t size = std::min(forward.value(), MAX_CHUNK_SIZE);
if (!ReadAll(chunk.get(), size)) {
return false;
}
forward -= size;
}
}
return false;
}
//--------------------------------------------------------------------
//----- CommandRecognizing()
//-------- sd - socket descriptor
//--------------------------------------------------------------------
void
CommandRecognizing (int sd)
{
RD cmd;
int res, links=0;
int IsName = 0;
int IsWorking = 1; // sign of break or end connection by client
char ClientName[256];
struct sockaddr_in addr;
int addr_size = sizeof (addr);
c_tree con_tree;
ClientName[0] = 0;
int last_error;
res = getpeername (sd, (struct sockaddr *) &addr, (socklen_t *) & addr_size);
last_error = errno;
if (res != 0)
{
fprintf (stderr,"(%d) connector.c getpeername() ERROR(%d)\n", sd, last_error);fflush(stdout);
return;
}
ConnectorsCounter++;
CreateList (&con_tree);
while (IsWorking > 0)
{
if( WaitNetDataExt(sd,5000) > 0)
{
if (STOP_TASK)
{
cmd.command = 88;
break;
}
cmd.command = 80;
IsWorking = recv (sd, &cmd, sizeof (cmd), MSG_WAITALL);
// gettimeofday(&tv1, NULL);
// printf("(%d)Connector recv: command = %d, work = %d, IsWorking = %d\n", sd, cmd.command, cmd.work, IsWorking);fflush(stdout);
if (IsWorking > 0)
{
switch (cmd.command)
{
case GET_UNIT_IDENT_BY_NAME:
IsWorking = GetUnitIdentByName (sd, cmd.work);
break;
case ACCEPT_ITEM:
IsWorking = AcceptItem (sd, (ident_t) cmd.work);
break;
case FREE_ITEM:
IsWorking = FreeItem (sd, (ident_t) cmd.work);
break;
case FREE_EXT_ITEM:
IsWorking = FreeExtItem (sd, (ident_t) cmd.work, &con_tree);
break;
case READ_BY_IDENT:
IsWorking = ReadByIdent (sd, (ident_t) cmd.work);
break;
case WRITE_BY_IDENT:
IsWorking = WriteByIdent (sd, (ident_t) cmd.work);
break;
case END_SESSION:
IsWorking = EndSession (sd);
break;
case READ_ALL:
IsWorking = ReadAll (sd, &con_tree);
break;
case READ_NEW:
IsWorking = ReadNew (sd, &con_tree);
break;
case LINK_ITEM_BY_NAME:
IsWorking = LinkItem (sd, cmd.work, &con_tree);
if(IsWorking)
links++;
break;
case BEGIN_SESSION:
recv (sd, ClientName, cmd.work, MSG_WAITALL);
IsName = 1;
break;
case INIT_DB:
init_reload();
IsName = 1;
fprintf
(stdout,"<%s> init reload DB [sd=(%d) %s:%d]. Now are %2d clients.\n",
ClientName[0] ? ClientName : "Unknown", sd,
inet_ntoa (addr.sin_addr), ntohs (addr.sin_port),
ConnectorsCounter);
break;
case WRITE_MULTIPLE:
IsWorking = WriteMultiple(sd, cmd.work);
break;
default:
fprintf (stderr,"Unrecognized command %d \n", cmd.command);fflush(stdout);
break;
}
if (IsName < 2)
{
fprintf
(stderr,"<%s> has been connected [sd=(%d) %s:%d]. Now are %2d clients.\n",
ClientName[0] ? ClientName : "Unknown", sd,
inet_ntoa (addr.sin_addr), ntohs (addr.sin_port),
ConnectorsCounter);fflush(stdout);
IsName = 2;
}
}
}
else
{
fprintf (stderr, "Connector() TIMEOUT\n");fflush(stdout);
break;
}
}
ClearList (&con_tree);
res = ServerFreeAll (sd);
ConnectorsCounter--;
fprintf
(stderr,
"(cmd=%d)(links=%d)<%s> has been disconnected [sd=(%d) %s:%d]. Now are %2d clients.\n",
cmd.command,links,
ClientName[0] ? ClientName : "Unknown", sd, inet_ntoa (addr.sin_addr),
ntohs (addr.sin_port), ConnectorsCounter);fflush(stdout);
}
bool
WaveReader::LoadListChunk(uint32_t aChunkSize,
nsAutoPtr<dom::HTMLMediaElement::MetadataTags> &aTags)
{
MOZ_ASSERT(OnTaskQueue());
// List chunks are always word (two byte) aligned.
MOZ_ASSERT(mResource.Tell() % 2 == 0,
"LoadListChunk called with unaligned resource");
static const unsigned int MAX_CHUNK_SIZE = 1 << 16;
static_assert(uint64_t(MAX_CHUNK_SIZE) < UINT_MAX / sizeof(char),
"MAX_CHUNK_SIZE too large for enumerator.");
if (aChunkSize > MAX_CHUNK_SIZE || aChunkSize < 4) {
return false;
}
nsAutoArrayPtr<char> chunk(new char[aChunkSize]);
if (!ReadAll(chunk.get(), aChunkSize)) {
return false;
}
static const uint32_t INFO_LIST_MAGIC = 0x494e464f;
const char* p = chunk.get();
if (ReadUint32BE(&p) != INFO_LIST_MAGIC) {
return false;
}
const waveIdToName ID_TO_NAME[] = {
{ 0x49415254, NS_LITERAL_CSTRING("artist") }, // IART
{ 0x49434d54, NS_LITERAL_CSTRING("comments") }, // ICMT
{ 0x49474e52, NS_LITERAL_CSTRING("genre") }, // IGNR
{ 0x494e414d, NS_LITERAL_CSTRING("name") }, // INAM
};
const char* const end = chunk.get() + aChunkSize;
aTags = new dom::HTMLMediaElement::MetadataTags;
while (p + 8 < end) {
uint32_t id = ReadUint32BE(&p);
// Uppercase tag id, inspired by GStreamer's Wave parser.
id &= 0xDFDFDFDF;
uint32_t length = ReadUint32LE(&p);
// Subchunk shall not exceed parent chunk.
if (uint32_t(end - p) < length) {
break;
}
// Wrap the string, adjusting length to account for optional
// null termination in the chunk.
nsCString val(p, length);
if (length > 0 && val[length - 1] == '\0') {
val.SetLength(length - 1);
}
// Chunks in List::INFO are always word (two byte) aligned. So round up if
// necessary.
length += length % 2;
p += length;
if (!IsUTF8(val)) {
continue;
}
for (size_t i = 0; i < mozilla::ArrayLength(ID_TO_NAME); ++i) {
if (id == ID_TO_NAME[i].id) {
aTags->Put(ID_TO_NAME[i].name, val);
break;
}
}
}
return true;
}
sBool sMiniFTPClient::ListFiles(const sChar *basepath,sArray<sChar> &listing)
{
listing.Clear();
if(State == CS_NOTARGET)
return sFALSE;
for(;;)
{
if(State != CS_CONNECTED && !TryReconnect(RetryCount))
break;
sU8 sizeBuf[8];
if(SendCommand(sMFC_LIST,basepath,0) && ReadAll(sizeBuf,8))
{
sSize totalSize;
sUnalignedLittleEndianLoad64(sizeBuf,(sU64&) totalSize);
if((totalSize & 1) // we expect 16bit chars
|| totalSize > 16*1024*1024) // 16MB limit for directory listings (for now)
return sFALSE;
if(!Progress(basepath,0,totalSize,ProgressUser))
return MaybeNextTime();
sFixedArray<sU8> ioBuf((sInt) totalSize);
sSize currentPos = 0;
while(currentPos < totalSize)
{
sDInt size = (sDInt) (totalSize-currentPos);
sDInt read;
if(!Socket.Read(&ioBuf[(sInt) currentPos],size,read) || !read)
{
MaybeNextTime();
break;
}
currentPos += read;
if(!Progress(basepath,currentPos,totalSize,ProgressUser))
return MaybeNextTime();
}
if(currentPos == totalSize)
{
listing.HintSize(sU32(totalSize/2));
listing.AddMany(sU32(totalSize/2));
for(sInt i=0;i<totalSize/2;i++)
{
sU16 v;
sUnalignedLittleEndianLoad16(&ioBuf[i*2],v);
listing[i] = v;
}
return sTRUE;
}
}
else if(Error == sMFE_OK)
MaybeNextTime();
else
break;
}
return sFALSE;
}
