uint32_t crc32(io::reader& src, uint32_t crc /* = crc32_init()*/){
buffer<byte> bin;
bin.resize(K_BufferSize);
while (src.readable()){
auto rest = src.read(to_range(bin));
crc = ::crc32(crc, (const Bytef*)bin.begin(), (uInt)(bin.size() - rest.size()));
}
return crc;
}
size_t Message::Load( io::reader &reader )
{
lemon_pid_t pid;
uint32_t tid;
lemon_trace_flag flag;
uint32_t length;
size_t result = reader.read((byte_t*)&_node,sizeof(_node));
result += reader.read((byte_t*)&pid,sizeof(pid));
_processid = ntohl(pid);
result += reader.read((byte_t*)&tid,sizeof(tid));
_threadId = ntohl(tid);
result += reader.read((byte_t*)&flag,sizeof(flag));
__lemon_ntoh64(flag);
_flag = flag;
result += reader.read((byte_t*)&_uuid,sizeof(uuid_t));
result += reader.read((byte_t*)&length,sizeof(length));
_length = ntohl(length);
if(_length > LEMON_TRACE_MESSAGE_MAX_LENGTH)
{
error_info errorCode;
LEMON_USER_ERROR(errorCode,LEMON_TRACE_BINARY_MESSAGE_FORMAT_ERROR);
errorCode.check_throw();
}
result += reader.read((byte_t*)_buffer,_length);
return result;
}