diff options
Diffstat (limited to 'source/packets/cPacket.cpp')
-rw-r--r-- | source/packets/cPacket.cpp | 614 |
1 files changed, 307 insertions, 307 deletions
diff --git a/source/packets/cPacket.cpp b/source/packets/cPacket.cpp index ec7181762..6fad331ed 100644 --- a/source/packets/cPacket.cpp +++ b/source/packets/cPacket.cpp @@ -1,307 +1,307 @@ -
-#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
-
-#include "cPacket.h"
-#include "../Endianness.h"
-
-
-
-
-
-/*
-// These checks cannot be done in preprocessor, since sizeof() is evaluated while compiling, so in preprocessing it's unknown.
-// Check some basic type assumptions:
-#if (sizeof(int) != 4)
- #error "Bad size for int, protocol won't work"
-#endif
-
-#if (sizeof(float) != 4)
- #error "Bad size for float, protocol won't work"
-#endif
-
-#if (sizeof(double) != 8)
- #error "Bad size for double, protocol won't work"
-#endif
-*/
-
-
-
-
-
-int cPacket::ReadString16(const char * a_Data, int a_Size, AString & a_OutString )
-{
- int TotalBytes = 0;
- short StrLen;
- HANDLE_PACKET_READ(ReadShort, StrLen, TotalBytes);
-
- if (2 * StrLen > a_Size - TotalBytes)
- {
- // The string is not yet complete in the buffer
- return PACKET_INCOMPLETE;
- }
-
- // Simple UTF-16 to UTF-8 conversion - discard higher bits, ignore multishort sequences:
- a_OutString.clear();
- a_OutString.reserve(StrLen);
- short * UTF16 = (short *)(a_Data + TotalBytes);
- for ( int i = 0; i < StrLen; ++i )
- {
- a_OutString.push_back( (char)ntohs(UTF16[i]) );
- }
-
- return TotalBytes + StrLen * sizeof(short);
-}
-
-
-
-
-
-int cPacket::ReadShort(const char * a_Data, int a_Size, short & a_OutShort )
-{
- if (a_Size < 2)
- {
- return PACKET_INCOMPLETE;
- }
- a_OutShort = ntohs(*((short *)a_Data));
- return 2;
-}
-
-
-
-
-
-int cPacket::ReadInteger(const char * a_Data, int a_Size, int & a_OutInteger )
-{
- if (a_Size < 4)
- {
- return PACKET_INCOMPLETE;
- }
- a_OutInteger = ntohl(*((int *)a_Data));
- return 4;
-}
-
-
-
-
-
-int cPacket::ReadInteger(const char * a_Data, int a_Size, unsigned int & a_OutInteger )
-{
- if (a_Size < 4)
- {
- return PACKET_INCOMPLETE;
- }
- a_OutInteger = ntohl(*((unsigned int *)a_Data));
- return 4;
-}
-
-
-
-
-
-int cPacket::ReadFloat(const char * a_Data, int a_Size, float & a_OutFloat )
-{
- if (a_Size < sizeof(float))
- {
- return PACKET_INCOMPLETE;
- }
- a_OutFloat = NetworkToHostFloat4(a_Data);
- return sizeof(float);
-}
-
-
-
-
-
-int cPacket::ReadDouble(const char * a_Data, int a_Size, double & a_OutDouble )
-{
- if (a_Size < sizeof(double))
- {
- return PACKET_INCOMPLETE;
- }
- a_OutDouble = NetworkToHostDouble8(a_Data);
- return sizeof(double);
-}
-
-
-
-
-
-int cPacket::ReadByte(const char * a_Data, int a_Size, char & a_OutByte )
-{
- if (a_Size < 1)
- {
- return PACKET_INCOMPLETE;
- }
- a_OutByte = *a_Data;
- return 1;
-}
-
-
-
-
-
-int cPacket::ReadByte(const char * a_Data, int a_Size, unsigned char & a_OutByte )
-{
- if (a_Size < 1)
- {
- return PACKET_INCOMPLETE;
- }
- a_OutByte = *((unsigned char *)a_Data);
- return 1;
-}
-
-
-
-
-
-int cPacket::ReadLong(const char * a_Data, int a_Size, long long & a_OutLong )
-{
- if (a_Size < sizeof(a_OutLong))
- {
- return PACKET_INCOMPLETE;
- }
- a_OutLong = NetworkToHostLong8(a_Data);
- return sizeof(a_OutLong);
-}
-
-
-
-
-
-int cPacket::ReadBool(const char * a_Data, int a_Size, bool & a_OutBool )
-{
- if (a_Size < sizeof(bool))
- {
- return PACKET_INCOMPLETE;
- }
- a_OutBool = (*a_Data != 0);
- return sizeof(bool);
-}
-
-
-
-
-
-void cPacket::AppendString(AString & a_Dst, const AString & a_String)
-{
- AppendShort(a_Dst, (unsigned short)a_String.size());
- a_Dst.append(a_String);
-}
-
-
-
-
-
-void cPacket::AppendString16(AString & a_Dst, const AString & a_String)
-{
- AppendShort(a_Dst, (unsigned short)a_String.size());
- AString UTF16;
- UTF16.resize(a_String.size() * sizeof(short));
- for( unsigned int i = 0; i < a_String.size(); ++i )
- {
- UTF16[i * sizeof( short )] = 0x00;
- UTF16[i * sizeof( short ) + 1] = a_String[i];
- }
- a_Dst.append(UTF16.data(), a_String.size() * sizeof(short));
-}
-
-
-
-
-
-void cPacket::AppendShort(AString & a_Dst, short a_Short)
-{
- short ConvertedShort = htons( a_Short );
- a_Dst.append((const char *)&ConvertedShort, sizeof(short));
-}
-
-
-
-
-
-void cPacket::AppendShort(AString & a_Dst, unsigned short a_Short)
-{
- short ConvertedShort = htons( a_Short );
- a_Dst.append((const char *)&ConvertedShort, sizeof(short));
-}
-
-
-
-
-
-void cPacket::AppendInteger(AString & a_Dst, int a_Integer)
-{
- int ConvertedInt = htonl( a_Integer );
- a_Dst.append((const char *)&ConvertedInt, sizeof(int));
-}
-
-
-
-
-
-void cPacket::AppendInteger(AString & a_Dst, unsigned int a_Integer)
-{
- unsigned int ConvertedInt = htonl( a_Integer );
- a_Dst.append((const char *)&ConvertedInt, sizeof(int));
-}
-
-
-
-
-
-void cPacket::AppendFloat(AString & a_Dst, float a_Float)
-{
- unsigned int ConvertedFloat = HostToNetwork4(&a_Float);
- a_Dst.append((const char *)&ConvertedFloat, sizeof(int));
-}
-
-
-
-
-
-void cPacket::AppendDouble(AString & a_Dst, const double & a_Double)
-{
- unsigned long long ConvertedDouble = HostToNetwork8(&a_Double);
- a_Dst.append((const char *)&ConvertedDouble, 8);
-}
-
-
-
-
-
-void cPacket::AppendByte(AString & a_Dst, char a_Byte)
-{
- a_Dst.append(&a_Byte, 1);
-}
-
-
-
-
-
-void cPacket::AppendLong(AString & a_Dst, const long long & a_Long)
-{
- unsigned long long ConvertedLong = HostToNetwork8(&a_Long);
- a_Dst.append((const char *)&ConvertedLong, sizeof(a_Long));
-}
-
-
-
-
-
-void cPacket::AppendBool(AString & a_Dst, bool a_Bool)
-{
- a_Dst.append((const char *)&a_Bool, 1);
-}
-
-
-
-
-
-void cPacket::AppendData(AString & a_Dst, const char * a_Data, unsigned int a_Size)
-{
- a_Dst.append(a_Data, a_Size);
-}
-
-
-
-
+ +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#include "cPacket.h" +#include "../Endianness.h" + + + + + +/* +// These checks cannot be done in preprocessor, since sizeof() is evaluated while compiling, so in preprocessing it's unknown. +// Check some basic type assumptions: +#if (sizeof(int) != 4) + #error "Bad size for int, protocol won't work" +#endif + +#if (sizeof(float) != 4) + #error "Bad size for float, protocol won't work" +#endif + +#if (sizeof(double) != 8) + #error "Bad size for double, protocol won't work" +#endif +*/ + + + + + +int cPacket::ReadString16(const char * a_Data, int a_Size, AString & a_OutString ) +{ + int TotalBytes = 0; + short StrLen; + HANDLE_PACKET_READ(ReadShort, StrLen, TotalBytes); + + if (2 * StrLen > a_Size - TotalBytes) + { + // The string is not yet complete in the buffer + return PACKET_INCOMPLETE; + } + + // Simple UTF-16 to UTF-8 conversion - discard higher bits, ignore multishort sequences: + a_OutString.clear(); + a_OutString.reserve(StrLen); + short * UTF16 = (short *)(a_Data + TotalBytes); + for ( int i = 0; i < StrLen; ++i ) + { + a_OutString.push_back( (char)ntohs(UTF16[i]) ); + } + + return TotalBytes + StrLen * sizeof(short); +} + + + + + +int cPacket::ReadShort(const char * a_Data, int a_Size, short & a_OutShort ) +{ + if (a_Size < 2) + { + return PACKET_INCOMPLETE; + } + a_OutShort = ntohs(*((short *)a_Data)); + return 2; +} + + + + + +int cPacket::ReadInteger(const char * a_Data, int a_Size, int & a_OutInteger ) +{ + if (a_Size < 4) + { + return PACKET_INCOMPLETE; + } + a_OutInteger = ntohl(*((int *)a_Data)); + return 4; +} + + + + + +int cPacket::ReadInteger(const char * a_Data, int a_Size, unsigned int & a_OutInteger ) +{ + if (a_Size < 4) + { + return PACKET_INCOMPLETE; + } + a_OutInteger = ntohl(*((unsigned int *)a_Data)); + return 4; +} + + + + + +int cPacket::ReadFloat(const char * a_Data, int a_Size, float & a_OutFloat ) +{ + if (a_Size < sizeof(float)) + { + return PACKET_INCOMPLETE; + } + a_OutFloat = NetworkToHostFloat4(a_Data); + return sizeof(float); +} + + + + + +int cPacket::ReadDouble(const char * a_Data, int a_Size, double & a_OutDouble ) +{ + if (a_Size < sizeof(double)) + { + return PACKET_INCOMPLETE; + } + a_OutDouble = NetworkToHostDouble8(a_Data); + return sizeof(double); +} + + + + + +int cPacket::ReadByte(const char * a_Data, int a_Size, char & a_OutByte ) +{ + if (a_Size < 1) + { + return PACKET_INCOMPLETE; + } + a_OutByte = *a_Data; + return 1; +} + + + + + +int cPacket::ReadByte(const char * a_Data, int a_Size, unsigned char & a_OutByte ) +{ + if (a_Size < 1) + { + return PACKET_INCOMPLETE; + } + a_OutByte = *((unsigned char *)a_Data); + return 1; +} + + + + + +int cPacket::ReadLong(const char * a_Data, int a_Size, long long & a_OutLong ) +{ + if (a_Size < sizeof(a_OutLong)) + { + return PACKET_INCOMPLETE; + } + a_OutLong = NetworkToHostLong8(a_Data); + return sizeof(a_OutLong); +} + + + + + +int cPacket::ReadBool(const char * a_Data, int a_Size, bool & a_OutBool ) +{ + if (a_Size < sizeof(bool)) + { + return PACKET_INCOMPLETE; + } + a_OutBool = (*a_Data != 0); + return sizeof(bool); +} + + + + + +void cPacket::AppendString(AString & a_Dst, const AString & a_String) +{ + AppendShort(a_Dst, (unsigned short)a_String.size()); + a_Dst.append(a_String); +} + + + + + +void cPacket::AppendString16(AString & a_Dst, const AString & a_String) +{ + AppendShort(a_Dst, (unsigned short)a_String.size()); + AString UTF16; + UTF16.resize(a_String.size() * sizeof(short)); + for( unsigned int i = 0; i < a_String.size(); ++i ) + { + UTF16[i * sizeof( short )] = 0x00; + UTF16[i * sizeof( short ) + 1] = a_String[i]; + } + a_Dst.append(UTF16.data(), a_String.size() * sizeof(short)); +} + + + + + +void cPacket::AppendShort(AString & a_Dst, short a_Short) +{ + short ConvertedShort = htons( a_Short ); + a_Dst.append((const char *)&ConvertedShort, sizeof(short)); +} + + + + + +void cPacket::AppendShort(AString & a_Dst, unsigned short a_Short) +{ + short ConvertedShort = htons( a_Short ); + a_Dst.append((const char *)&ConvertedShort, sizeof(short)); +} + + + + + +void cPacket::AppendInteger(AString & a_Dst, int a_Integer) +{ + int ConvertedInt = htonl( a_Integer ); + a_Dst.append((const char *)&ConvertedInt, sizeof(int)); +} + + + + + +void cPacket::AppendInteger(AString & a_Dst, unsigned int a_Integer) +{ + unsigned int ConvertedInt = htonl( a_Integer ); + a_Dst.append((const char *)&ConvertedInt, sizeof(int)); +} + + + + + +void cPacket::AppendFloat(AString & a_Dst, float a_Float) +{ + unsigned int ConvertedFloat = HostToNetwork4(&a_Float); + a_Dst.append((const char *)&ConvertedFloat, sizeof(int)); +} + + + + + +void cPacket::AppendDouble(AString & a_Dst, const double & a_Double) +{ + unsigned long long ConvertedDouble = HostToNetwork8(&a_Double); + a_Dst.append((const char *)&ConvertedDouble, 8); +} + + + + + +void cPacket::AppendByte(AString & a_Dst, char a_Byte) +{ + a_Dst.append(&a_Byte, 1); +} + + + + + +void cPacket::AppendLong(AString & a_Dst, const long long & a_Long) +{ + unsigned long long ConvertedLong = HostToNetwork8(&a_Long); + a_Dst.append((const char *)&ConvertedLong, sizeof(a_Long)); +} + + + + + +void cPacket::AppendBool(AString & a_Dst, bool a_Bool) +{ + a_Dst.append((const char *)&a_Bool, 1); +} + + + + + +void cPacket::AppendData(AString & a_Dst, const char * a_Data, unsigned int a_Size) +{ + a_Dst.append(a_Data, a_Size); +} + + + + |