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MiscFunctions.h 5.7 KB

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  1. /*
  2. EQ2Emulator: Everquest II Server Emulator
  3. Copyright (C) 2007 EQ2EMulator Development Team (http://www.eq2emulator.net)
  4. This file is part of EQ2Emulator.
  5. EQ2Emulator is free software: you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation, either version 3 of the License, or
  8. (at your option) any later version.
  9. EQ2Emulator is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with EQ2Emulator. If not, see <http://www.gnu.org/licenses/>.
  15. */
  16. #ifndef MISCFUNCTIONS_H
  17. #define MISCFUNCTIONS_H
  18. #include "types.h"
  19. #include "seperator.h"
  20. #include <stdio.h>
  21. #include <ctype.h>
  22. #include <vector>
  23. #include <map>
  24. #ifndef ERRBUF_SIZE
  25. #define ERRBUF_SIZE 1024
  26. #endif
  27. //int MakeAnyLenString(char** ret, const char* format, ...);
  28. int32 hextoi(char* num);
  29. int64 hextoi64(char* num);
  30. sint32 filesize(FILE* fp);
  31. int32 ResolveIP(const char* hostname, char* errbuf = 0);
  32. void CoutTimestamp(bool ms = true);
  33. //char* strn0cpy(char* dest, const char* source, int32 size);
  34. // return value =true if entire string(source) fit, false if it was truncated
  35. //bool strn0cpyt(char* dest, const char* source, int32 size);
  36. string loadInt32String(uchar* buffer, int16 buffer_size, int16* pos, EQ2_32BitString* eq_string = NULL);
  37. string loadInt16String(uchar* buffer, int16 buffer_size, int16* pos, EQ2_16BitString* eq_string = NULL);
  38. string loadInt8String(uchar* buffer, int16 buffer_size, int16* pos, EQ2_8BitString* eq_string = NULL);
  39. sint16 storeInt32String(uchar* buffer, int16 buffer_size, string in_str);
  40. sint16 storeInt16String(uchar* buffer, int16 buffer_size, string in_str);
  41. sint16 storeInt8String(uchar* buffer, int16 buffer_size, string in_str);
  42. int MakeRandomInt(int low, int high);
  43. float MakeRandomFloat(float low, float high);
  44. float TransformToFloat(sint16 data, int8 bits);
  45. sint16 TransformFromFloat(float data, int8 bits);
  46. int32 GenerateEQ2Color(float r, float g, float b);
  47. int32 GenerateEQ2Color(float* rgb[3]);
  48. void SetColor(EQ2_Color* color, long data);
  49. //void CreateEQ2Color(EQ2_Color* color, uchar* data, int16* size);
  50. int8 MakeInt8(uchar* data, int16* size);
  51. int8 MakeInt8(float* input);
  52. bool Unpack(int32 srcLen, uchar* data, uchar* dst, int16 dstLen, int16 version = 0, bool reverse = true);
  53. bool Unpack(uchar* data, uchar* dst, int16 dstLen, int16 version = 0, bool reverse = true);
  54. int32 Pack(uchar* data, uchar* src, int16 srcLen, int16 dstLen, int16 version = 0, bool reverse = true);
  55. void Reverse(uchar* input, int32 srcLen);
  56. void Encode(uchar* dst, uchar* src, int16 len);
  57. void Decode(uchar* dst, uchar* src, int16 len);
  58. string ToUpper(string input);
  59. string ToLower(string input);
  60. int32 ParseIntValue(string input);
  61. int64 ParseLongLongValue(string input);
  62. map<string, string> TranslateBrokerRequest(string request);
  63. void MovementDecode(uchar* dst, uchar* newval, uchar* orig, int16 len);
  64. vector<string>* SplitString(string str, char delim);
  65. int8 DoOverLoad(int32 val, uchar* data);
  66. int8 CheckOverLoadSize(int32 val);
  67. int32 CountWordsInString(const char* text);
  68. bool IsNumber(const char *num);
  69. void PrintSep(Seperator *sep, const char *name = 0);
  70. ///<summary>Gets the packet type for the given version</summary>
  71. ///<param name='version'>The client version</param>
  72. int16 GetItemPacketType(int32 version);
  73. ///<summary>Gets the opcode version_range1 from the clients version</summary>
  74. ///<param name='version'>The client version</param>
  75. int16 GetOpcodeVersion(int16 version);
  76. void SleepMS(int32 milliseconds);
  77. size_t strlcpy(char *dst, const char *src, size_t size);
  78. float short_to_float(const ushort x);
  79. uint32 float_to_int(const float x);
  80. uint32 as_uint(const float x);
  81. float as_float(const uint32 x);
  82. bool INIReadBool(FILE *f, const char *section, const char *property, bool *out);
  83. bool INIReadInt(FILE *f, const char *section, const char *property, int *out);
  84. static bool IsPrivateAddress(uint32_t ip)
  85. {
  86. uint8_t b1, b2;//, b3, b4;
  87. b1 = (uint8_t)(ip >> 24);
  88. b2 = (uint8_t)((ip >> 16) & 0x0ff);
  89. //b3 = (uint8_t)((ip >> 8) & 0x0ff);
  90. //b4 = (uint8_t)(ip & 0x0ff);
  91. // 10.x.y.z
  92. if (b1 == 10)
  93. return true;
  94. // 172.16.0.0 - 172.31.255.255
  95. if ((b1 == 172) && (b2 >= 16) && (b2 <= 31))
  96. return true;
  97. // 192.168.0.0 - 192.168.255.255
  98. if ((b1 == 192) && (b2 == 168))
  99. return true;
  100. return false;
  101. }
  102. template<class Type> void AddData(Type input, string* datastring){
  103. if(datastring)
  104. datastring->append((char*)&input, sizeof(input));
  105. }
  106. template<class Type> void AddData(Type input, int32 array_size, string* datastring){
  107. if(array_size>0){
  108. for(int32 i=0;i<array_size;i++)
  109. AddData(input[i], datastring);
  110. }
  111. else
  112. AddData(input, datastring);
  113. }
  114. #ifndef WIN32
  115. #define _ITOA_BUFLEN 25
  116. const char * itoa(int value);
  117. char * itoa(int value, char *result, int base);
  118. #endif
  119. class InitWinsock {
  120. public:
  121. InitWinsock();
  122. ~InitWinsock();
  123. };
  124. template<class T> class AutoDelete {
  125. public:
  126. AutoDelete(T** iVar, T* iSetTo = 0) {
  127. init(iVar, iSetTo);
  128. }
  129. AutoDelete() {}
  130. void init(T** iVar, T* iSetTo = 0)
  131. {
  132. pVar = iVar;
  133. if (iSetTo)
  134. *pVar = iSetTo;
  135. }
  136. ~AutoDelete() {
  137. safe_delete(*pVar);
  138. }
  139. private:
  140. T** pVar;
  141. };
  142. class VersionRange {
  143. public:
  144. VersionRange(int32 in_min_version, int32 in_max_version)
  145. {
  146. min_version = in_min_version;
  147. max_version = in_max_version;
  148. }
  149. int32 GetMinVersion() { return min_version; }
  150. int32 GetMaxVersion() { return max_version; }
  151. private:
  152. int32 min_version;
  153. int32 max_version;
  154. };
  155. #endif