示例#1
0
void mgh::write(string fname, const raw & data){
  FILE * src = fopen(fname.c_str(), "wb");
  if(src == NULL)throw "Failed to open file";
  int bytes_written = fwrite(data.c_str(), 1, data.size(), src);
  fclose(src);
  if(bytes_written != data.size())throw "Could not write all the data";
};
示例#2
0
message_21::message_21(const raw & bits)
	: message(ID)
	, name("@@@@@@@@@@@@@@@@@@@@")
{
	if ((bits.size() < SIZE_BITS_MIN) || (bits.size() > SIZE_BITS_MAX))
		throw std::invalid_argument{"invalid number of bits in message_21"};
	read_data(bits);
}
示例#3
0
message_03::message_03(const raw & bits)
	: message_01(ID)
{
	if (bits.size() != SIZE_BITS)
		throw std::invalid_argument{"invalid number of bits in ais/message_03"};
	read_data(bits);
}
示例#4
0
文件: seatalk.cpp 项目: nohal/marnav
std::unique_ptr<message> make_message(const raw & data) throw(std::invalid_argument)
{
	if (data.size() < 1)
		throw std::invalid_argument{"raw data of insufficient size"};
	message_id type = static_cast<message_id>(data[0]);
	return instantiate_message(type)(data);
}
示例#5
0
void message_21::read_data(const raw & bits)
{
	get(bits, repeat_indicator);
	get(bits, mmsi);
	get(bits, aid_type);
	get(bits, name);
	get(bits, position_accuracy);
	get(bits, longitude_minutes);
	get(bits, latitude_minutes);
	get(bits, to_bow);
	get(bits, to_stern);
	get(bits, to_port);
	get(bits, to_starboard);
	get(bits, epfd_fix);
	get(bits, utc_second);
	get(bits, off_position);
	get(bits, regional);
	get(bits, raim);
	get(bits, virtual_aid_flag);
	get(bits, assigned);

	auto rest = bits.size() - SIZE_BITS_MIN;
	if (rest > 0) {
		rest = std::min(rest, SIZE_BITS_MAX - SIZE_BITS_MIN);
		name_extension = read_string(bits, 272, rest / 6);
	}
}
示例#6
0
message_18::message_18(const raw & bits)
	: message_18(ID)
{
	if (bits.size() != SIZE_BITS)
		throw std::invalid_argument{"invalid number of bits in message_18"};
	read_data(bits);
}
示例#7
0
文件: message.cpp 项目: mb12/marnav
/// Checks the specified sizes for the raw data. In case of error, an
/// exception is thrown (std::invalid_argument).
///
/// This check must be done for every message.
void message::check_size(const raw & data, size_t size)
{
	assert(size > 2);

	if (data.size() != size)
		throw std::invalid_argument{"invalid number of bytes in message"};
	if ((data[1] & 0x0f) != static_cast<uint8_t>(size - 3))
		throw std::invalid_argument{"invalid size specified in message"};
}
示例#8
0
std::unique_ptr<message> message_10::parse(const raw & bits)
{
	if (bits.size() != SIZE_BITS)
		throw std::invalid_argument{"invalid number of bits in message_10::parse"};

	std::unique_ptr<message> result = utils::make_unique<message_10>();
	message_10 & msg = static_cast<message_10 &>(*result);

	msg.read_data(bits);

	return result;
}
示例#9
0
//writing the results back
void memcpy_reverse_w(raw & data, const char * input, int size, int &pos){
	if(data.size() < pos+size)throw "Not enough bytes to write;";
	for(int i = 0; i < size; i++){data[pos+i] = input[size-i-1];};
	pos+=size;
};
示例#10
0
//raw memory copy from a string
void memcpy_reverse(const raw & data, char * output, int size, int &pos){
	if(data.size() < pos+size)throw "Not enough bytes to read;";
	for(int i = 0; i < size; i++){output[size-i-1]=data[pos+i];};
	pos+=size;
};