// do all chunk/socket stuff
pipe_t tcp4_flush(pipe_t pipe)
{
int len;
lob_t packet;
uint8_t buf[256];
pipe_tcp4_t to = tcp4_to(pipe);
if(!to) return NULL;
if(chunks_len(to->chunks))
{
while((len = write(to->client, chunks_write(to->chunks), chunks_len(to->chunks))) > 0)
{
chunks_written(to->chunks, len);
LOG("wrote %d bytes to %s",len,pipe->id);
}
}
while((len = read(to->client, buf, 256)) > 0)
{
LOG("reading %d bytes from %s",len,pipe->id);
chunks_read(to->chunks, buf, len);
}
// any incoming full packets can be received
while((packet = chunks_receive(to->chunks))) mesh_receive(to->net->mesh, packet, pipe);
if(len < 0 && errno != EWOULDBLOCK && errno != EINPROGRESS)
{
LOG("socket error to %s: %s",pipe->id,strerror(errno));
close(to->client);
to->client = 0;
}
return pipe;
}
bool chunks_get(ChunkInfoBlock *chunkInfoBlock)
{
uint64 offset;
ChunkHeader chunkHeader;
assert(chunkInfoBlock != NULL);
/* get current offset */
if (!chunkInfoBlock->tellFile(chunkInfoBlock->userData,&offset))
{
return FALSE;
}
/* read chunk header */
if (!chunks_read(chunkInfoBlock,&chunkHeader,CHUNK_HEADER_DEFINITION))
{
return FALSE;
}
/* init */
chunkInfoBlock->containerChunkInfoBlock = NULL;
chunkInfoBlock->mode = CHUNK_MODE_READ;
chunkInfoBlock->offset = offset;
chunkInfoBlock->id = chunkHeader.id;
chunkInfoBlock->size = chunkHeader.size;
chunkInfoBlock->index = 0;
return TRUE;
}
bool chunks_getSub(ChunkInfoBlock *chunkInfoBlock, ChunkInfoBlock *containerChunkInfoBlock)
{
uint64 offset;
ChunkHeader chunkHeader;
assert(chunkInfoBlock != NULL);
assert(containerChunkInfoBlock != NULL);
assert(containerChunkInfoBlock->mode == CHUNK_MODE_READ);
if ((containerChunkInfoBlock->index + sizeof(ChunkHeader)) <= containerChunkInfoBlock->size)
{
/* get current offset */
if (!chunkInfoBlock->tellFile(chunkInfoBlock->userData,&offset))
{
return FALSE;
}
/* read chunk header */
if (!chunks_read(chunkInfoBlock,&chunkHeader,CHUNK_HEADER_DEFINITION))
{
return FALSE;
}
containerChunkInfoBlock->index += sizeof(ChunkHeader);
/* valida chunk */
if (chunkHeader.size > (containerChunkInfoBlock->size-containerChunkInfoBlock->index))
{
return FALSE;
}
/* init */
chunkInfoBlock->containerChunkInfoBlock = containerChunkInfoBlock;
chunkInfoBlock->mode = CHUNK_MODE_READ;
chunkInfoBlock->offset = offset;
chunkInfoBlock->id = chunkHeader.id;
chunkInfoBlock->size = chunkHeader.size;
chunkInfoBlock->index = 0;
return TRUE;
}
else
{
return FALSE;
}
}
