C:/Active/libraries/cxutils/2.0/src/cxutils/networking/ip4address.cpp
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00001 00002 00003 00004 00005 00006 00007 00008 00009 00010 00011 00012 00013 00014 00015 00016 00017 00018 00019 00020 00021 00022 00023 00024 00025 00026 00027 00028 00029 00030 00031 00032 00033 00034 00035 00036 00037 00038 00039 00040 #include "cxutils/networking/ip4address.h" 00041 #include "cxutils/networking/socket.h" 00042 #include <string.h> 00043 00044 using namespace CxUtils; 00045 00051 IP4Address::IP4Address() 00052 { 00053 mString = "0.0.0.0"; 00054 memset(mData, 0, sizeof(unsigned char)*4); 00055 } 00056 00057 00063 IP4Address::IP4Address(const char* ipAddress) 00064 { 00065 SetAddress(std::string(ipAddress)); 00066 } 00067 00068 00074 IP4Address::IP4Address(const std::string& ipAddress) 00075 { 00076 SetAddress(ipAddress); 00077 } 00078 00079 00085 IP4Address::IP4Address(const IP4Address& ipAddress) 00086 { 00087 mString = ipAddress.mString; 00088 memcpy(mData, ipAddress.mData, sizeof(unsigned char)*4); 00089 } 00090 00091 00097 IP4Address::~IP4Address() 00098 { 00099 } 00100 00101 00112 bool IP4Address::SetAddress(const std::string& ipAddress) 00113 { 00114 int a, b, c, d; 00115 if(ipAddress.empty() == false && 00116 sscanf(ipAddress.c_str(), "%d.%d.%d.%d", &a, &b, &c, &d) == 4) 00117 { 00118 mString = ipAddress; 00119 mData[0] = (unsigned char)a; 00120 mData[1] = (unsigned char)b; 00121 mData[2] = (unsigned char)c; 00122 mData[3] = (unsigned char)d; 00123 return true; 00124 } 00125 else 00126 { 00127 // Try lookup IP by hostname. 00128 if(ipAddress == "localhost") 00129 { 00130 mString = "127.0.0.1"; 00131 mData[0] = (unsigned char)127; 00132 mData[1] = (unsigned char)0; 00133 mData[2] = (unsigned char)0; 00134 mData[3] = (unsigned char)1; 00135 return true; 00136 } 00137 else 00138 { 00139 struct hostent* h; 00140 h = gethostbyname(ipAddress.c_str()); 00141 if(h && h->h_addr_list[0] != 0) 00142 { 00143 struct in_addr addr; 00144 memcpy(&addr, h->h_addr_list[0], sizeof(struct in_addr)); 00145 return SetAddress(std::string(inet_ntoa(addr))); 00146 } 00147 } 00148 mString = "0.0.0.0"; 00149 memset(mData, 0, sizeof(unsigned char)*4); 00150 } 00151 return false; 00152 } 00153 00154 00167 bool IP4Address::SetAddress(const unsigned char a, 00168 const unsigned char b, 00169 const unsigned char c, 00170 const unsigned char d) 00171 { 00172 mData[0] = a; 00173 mData[1] = b; 00174 mData[2] = c; 00175 mData[3] = d; 00176 char buffer[128]; 00177 sprintf(buffer, "%d.%d.%d.%d", a, b, c, d); 00178 mString = buffer; 00179 return true; 00180 } 00181 00182 00188 IP4Address& IP4Address::operator=(const IP4Address& ipAddress) 00189 { 00190 mString = ipAddress.mString; 00191 memcpy(mData, ipAddress.mData, sizeof(unsigned char)*4); 00192 return *this; 00193 } 00194 00200 IP4Address& IP4Address::operator=(const std::string& ipAddress) 00201 { 00202 SetAddress(ipAddress); 00203 return *this; 00204 } 00205 00211 bool IP4Address::operator<(const IP4Address& ipAddress) const 00212 { 00213 return mString < ipAddress.mString; 00214 } 00215 00216 00222 bool IP4Address::operator<=(const IP4Address& ipAddress) const 00223 { 00224 return mString <= ipAddress.mString; 00225 } 00226 00227 00233 bool IP4Address::operator==(const IP4Address& ipAddress) const 00234 { 00235 if(memcmp(mData, ipAddress.mData, sizeof(unsigned char)*4) == 0) 00236 { 00237 return true; 00238 } 00239 return false; 00240 } 00241 00247 bool IP4Address::operator!=(const IP4Address& ipAddress) const 00248 { 00249 if(memcmp(mData, ipAddress.mData, sizeof(unsigned char)*4) != 0) 00250 { 00251 return true; 00252 } 00253 return false; 00254 } 00255 00256 00262 void IP4Address::Clear() 00263 { 00264 mString = "0.0.0.0"; 00265 memset(mData, 0, sizeof(unsigned char)*4); 00266 } 00267 00268 /* End of File */
