address.h
Go to the documentation of this file.00001
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00012 #ifndef NETWORK_CORE_ADDRESS_H
00013 #define NETWORK_CORE_ADDRESS_H
00014
00015 #include "os_abstraction.h"
00016 #include "config.h"
00017 #include "../../string_func.h"
00018 #include "../../core/smallmap_type.hpp"
00019
00020 #ifdef ENABLE_NETWORK
00021
00022 class NetworkAddress;
00023 typedef SmallVector<NetworkAddress, 4> NetworkAddressList;
00024 typedef SmallMap<NetworkAddress, SOCKET, 4> SocketList;
00025
00031 class NetworkAddress {
00032 private:
00033 char hostname[NETWORK_HOSTNAME_LENGTH];
00034 int address_length;
00035 sockaddr_storage address;
00036
00042 typedef SOCKET (*LoopProc)(addrinfo *runp);
00043
00044 SOCKET Resolve(int family, int socktype, int flags, SocketList *sockets, LoopProc func);
00045 public:
00050 NetworkAddress(struct sockaddr_storage &address, int address_length) :
00051 address_length(address_length),
00052 address(address)
00053 {
00054 *this->hostname = '\0';
00055 }
00056
00061 NetworkAddress(sockaddr *address, int address_length) :
00062 address_length(address_length)
00063 {
00064 *this->hostname = '\0';
00065 memset(&this->address, 0, sizeof(this->address));
00066 memcpy(&this->address, address, address_length);
00067 }
00068
00075 NetworkAddress(const char *hostname = "", uint16 port = 0, int family = AF_UNSPEC) :
00076 address_length(0)
00077 {
00078
00079 if (StrEmpty(hostname)) hostname = "";
00080 if (*hostname == '[') hostname++;
00081 strecpy(this->hostname, StrEmpty(hostname) ? "" : hostname, lastof(this->hostname));
00082 char *tmp = strrchr(this->hostname, ']');
00083 if (tmp != NULL) *tmp = '\0';
00084
00085 memset(&this->address, 0, sizeof(this->address));
00086 this->address.ss_family = family;
00087 this->SetPort(port);
00088 }
00089
00094 NetworkAddress(const NetworkAddress &address)
00095 {
00096 memcpy(this, &address, sizeof(*this));
00097 }
00098
00099 const char *GetHostname();
00100 void GetAddressAsString(char *buffer, const char *last, bool with_family = true);
00101 const char *GetAddressAsString(bool with_family = true);
00102 const sockaddr_storage *GetAddress();
00103
00108 int GetAddressLength()
00109 {
00110
00111 if (!this->IsResolved()) this->GetAddress();
00112 return this->address_length;
00113 }
00114
00115 uint16 GetPort() const;
00116 void SetPort(uint16 port);
00117
00122 bool IsResolved() const
00123 {
00124 return this->address_length != 0;
00125 }
00126
00127 bool IsFamily(int family);
00128 bool IsInNetmask(char *netmask);
00129
00135 int CompareTo(NetworkAddress &address)
00136 {
00137 int r = this->GetAddressLength() - address.GetAddressLength();
00138 if (r == 0) r = this->address.ss_family - address.address.ss_family;
00139 if (r == 0) r = memcmp(&this->address, &address.address, this->address_length);
00140 if (r == 0) r = this->GetPort() - address.GetPort();
00141 return r;
00142 }
00143
00149 bool operator == (NetworkAddress &address)
00150 {
00151 return this->CompareTo(address) == 0;
00152 }
00153
00159 bool operator == (NetworkAddress &address) const
00160 {
00161 return const_cast<NetworkAddress*>(this)->CompareTo(address) == 0;
00162 }
00168 bool operator != (NetworkAddress address) const
00169 {
00170 return const_cast<NetworkAddress*>(this)->CompareTo(address) != 0;
00171 }
00172
00177 bool operator < (NetworkAddress &address)
00178 {
00179 return this->CompareTo(address) < 0;
00180 }
00181
00182 SOCKET Connect();
00183 void Listen(int socktype, SocketList *sockets);
00184
00185 static const char *SocketTypeAsString(int socktype);
00186 static const char *AddressFamilyAsString(int family);
00187 };
00188
00189 #endif
00190 #endif