terom@31: 
terom@31: #include "NetworkPacket.hh"
terom@31: 
terom@31: 
terom@31: NetworkPacket::NetworkPacket (void) :
terom@32:     size(NETWORK_PACKET_SIZE), offset(0) {
terom@31:     
terom@31:     // nothing
terom@31: }
terom@31: 
terom@31: template <typename T> T NetworkPacket::read_val (void) {
terom@31:     T val;
terom@31: 
terom@31:     // check size
terom@31:     if (offset + sizeof(T) > size)
terom@31:         throw CL_Error("not enough data to read");
terom@31:     
terom@31:     // set value
terom@31:     val = *((T*) (buf + offset));
terom@31: 
terom@31:     // update offset
terom@31:     offset += sizeof(T);
terom@31: 
terom@31:     // return
terom@31:     return val;
terom@31: }
terom@31: 
terom@31: template <typename T> void NetworkPacket::write_val (const T &val) {
terom@31:     // check max size
terom@31:     if (offset + sizeof(T) > NETWORK_PACKET_SIZE)
terom@31:         throw CL_Error("not enough space to write");
terom@31:     
terom@31:     // set value
terom@31:     *((T*) (buf + offset)) = val;
terom@31: 
terom@31:     // update offset and size
terom@31:     offset += sizeof(T);
terom@31:     size += sizeof(T);
terom@31: }
terom@31: 
terom@31: uint32_t NetworkPacket::read_uint32 (void) {
terom@31:     return ntohl(read_val<uint32_t>());
terom@31: }
terom@31: 
terom@31: uint16_t NetworkPacket::read_uint16 (void) {
terom@31:     return ntohs(read_val<uint16_t>());
terom@31: }
terom@31: 
terom@31: uint8_t NetworkPacket::read_uint8 (void) {
terom@31:     return read_val<uint8_t>();
terom@31: }
terom@31: 
terom@31: int32_t NetworkPacket::read_int32 (void) {
terom@31:     return ntohl(read_val<int32_t>());
terom@31: }
terom@31: 
terom@31: int16_t NetworkPacket::read_int16 (void) {
terom@31:     return ntohs(read_val<int16_t>());
terom@31: }
terom@31: 
terom@31: int8_t NetworkPacket::read_int8 (void) {
terom@31:     return read_val<int8_t>();
terom@31: }
terom@31: 
terom@31: void NetworkPacket::write_uint32 (uint32_t val) {
terom@31:     write_val<uint32_t>(htonl(val));
terom@31: }
terom@31: 
terom@31: void NetworkPacket::write_uint16 (uint16_t val) {
terom@31:     write_val<uint16_t>(htons(val));
terom@31: }
terom@31: 
terom@31: void NetworkPacket::write_uint8 (uint8_t val) {
terom@31:     write_val<uint8_t>(val);
terom@31: }
terom@31: 
terom@31: void NetworkPacket::write_int32 (int32_t val) {
terom@31:     write_val<int32_t>(htonl(val));
terom@31: }
terom@31: 
terom@31: void NetworkPacket::write_int16 (int16_t val) {
terom@31:     write_val<int16_t>(htons(val));
terom@31: }
terom@31: 
terom@31: void NetworkPacket::write_int8 (int8_t val) {
terom@31:     write_val<int8_t>(val);
terom@31: }
terom@31: