src/common/sckaddr.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/sckaddr.cpp
   3 // Purpose:     Network address manager
   4 // Author:      Guilhem Lavaux
   5 // Modified by:
   6 // Created:     26/04/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1997, 1998 Guilhem Lavaux
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_SOCKETS
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/object.h"
  23     #include "wx/log.h"
  24     #include "wx/intl.h"
  25
  26     #include <stdio.h>
  27     #include <stdlib.h>
  28     #include <ctype.h>
  29
  30     #if !defined(__MWERKS__) && !defined(__SALFORDC__)
  31         #include <memory.h>
  32     #endif
  33 #endif // !WX_PRECOMP
  34
  35 #include "wx/gsocket.h"
  36 #include "wx/socket.h"
  37 #include "wx/sckaddr.h"
  38
  39 IMPLEMENT_ABSTRACT_CLASS(wxSockAddress, wxObject)
  40 IMPLEMENT_ABSTRACT_CLASS(wxIPaddress, wxSockAddress)
  41 IMPLEMENT_DYNAMIC_CLASS(wxIPV4address, wxIPaddress)
  42 #if wxUSE_IPV6
  43 IMPLEMENT_DYNAMIC_CLASS(wxIPV6address, wxIPaddress)
  44 #endif
  45 #if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__)
  46 IMPLEMENT_DYNAMIC_CLASS(wxUNIXaddress, wxSockAddress)
  47 #endif
  48
  49 // ---------------------------------------------------------------------------
  50 // wxSockAddress
  51 // ---------------------------------------------------------------------------
  52
  53 void wxSockAddress::Init()
  54 {
  55     if ( !wxSocketBase::IsInitialized() )
  56     {
  57         // we must do it before using GAddress_XXX functions
  58         (void)wxSocketBase::Initialize();
  59     }
  60 }
  61
  62 wxSockAddress::wxSockAddress()
  63 {
  64     Init();
  65
  66     m_address = GAddress_new();
  67 }
  68
  69 wxSockAddress::wxSockAddress(const wxSockAddress& other)
  70     : wxObject()
  71 {
  72     Init();
  73
  74     m_address = GAddress_copy(other.m_address);
  75 }
  76
  77 wxSockAddress::~wxSockAddress()
  78 {
  79   GAddress_destroy(m_address);
  80 }
  81
  82 void wxSockAddress::SetAddress(GAddress *address)
  83 {
  84     if ( address != m_address )
  85     {
  86         GAddress_destroy(m_address);
  87         m_address = GAddress_copy(address);
  88     }
  89 }
  90
  91 wxSockAddress& wxSockAddress::operator=(const wxSockAddress& addr)
  92 {
  93   SetAddress(addr.GetAddress());
  94   return *this;
  95 }
  96
  97 void wxSockAddress::Clear()
  98 {
  99   GAddress_destroy(m_address);
 100   m_address = GAddress_new();
 101 }
 102
 103 // ---------------------------------------------------------------------------
 104 // wxIPaddress
 105 // ---------------------------------------------------------------------------
 106
 107 wxIPaddress::wxIPaddress()
 108             : wxSockAddress()
 109 {
 110 }
 111
 112 wxIPaddress::wxIPaddress(const wxIPaddress& other)
 113             : wxSockAddress(other)
 114 {
 115 }
 116
 117 wxIPaddress::~wxIPaddress()
 118 {
 119 }
 120
 121 // ---------------------------------------------------------------------------
 122 // wxIPV4address
 123 // ---------------------------------------------------------------------------
 124
 125 wxIPV4address::wxIPV4address()
 126              : wxIPaddress()
 127 {
 128 }
 129
 130 wxIPV4address::wxIPV4address(const wxIPV4address& other)
 131              : wxIPaddress(other)
 132 {
 133 }
 134
 135 wxIPV4address::~wxIPV4address()
 136 {
 137 }
 138
 139 bool wxIPV4address::Hostname(const wxString& name)
 140 {
 141   // Some people are sometimes fool.
 142   if (name.empty())
 143   {
 144     wxLogWarning( _("Trying to solve a NULL hostname: giving up") );
 145     return false;
 146   }
 147   m_origHostname = name;
 148   return (GAddress_INET_SetHostName(m_address, name.mb_str()) == GSOCK_NOERROR);
 149 }
 150
 151 bool wxIPV4address::Hostname(unsigned long addr)
 152 {
 153   bool rv = (GAddress_INET_SetHostAddress(m_address, addr) == GSOCK_NOERROR);
 154   if (rv)
 155       m_origHostname = Hostname();
 156   else
 157       m_origHostname = wxEmptyString;
 158   return rv;
 159 }
 160
 161 bool wxIPV4address::Service(const wxString& name)
 162 {
 163   return (GAddress_INET_SetPortName(m_address, name.mb_str(), "tcp") == GSOCK_NOERROR);
 164 }
 165
 166 bool wxIPV4address::Service(unsigned short port)
 167 {
 168   return (GAddress_INET_SetPort(m_address, port) == GSOCK_NOERROR);
 169 }
 170
 171 bool wxIPV4address::LocalHost()
 172 {
 173   return (GAddress_INET_SetHostName(m_address, "localhost") == GSOCK_NOERROR);
 174 }
 175
 176 bool wxIPV4address::IsLocalHost() const
 177 {
 178   return (Hostname() == wxT("localhost") || IPAddress() == wxT("127.0.0.1"));
 179 }
 180
 181 bool wxIPV4address::BroadcastAddress()
 182 {
 183   return (GAddress_INET_SetBroadcastAddress(m_address) == GSOCK_NOERROR);
 184 }
 185
 186 bool wxIPV4address::AnyAddress()
 187 {
 188   return (GAddress_INET_SetAnyAddress(m_address) == GSOCK_NOERROR);
 189 }
 190
 191 wxString wxIPV4address::Hostname() const
 192 {
 193    char hostname[1024];
 194
 195    hostname[0] = 0;
 196    GAddress_INET_GetHostName(m_address, hostname, 1024);
 197    return wxString::FromAscii(hostname);
 198 }
 199
 200 unsigned short wxIPV4address::Service() const
 201 {
 202   return GAddress_INET_GetPort(m_address);
 203 }
 204
 205 wxSockAddress *wxIPV4address::Clone() const
 206 {
 207     wxIPV4address *addr = new wxIPV4address(*this);
 208     addr->m_origHostname = m_origHostname;
 209     return addr;
 210 }
 211
 212 wxString wxIPV4address::IPAddress() const
 213 {
 214     unsigned long raw =  GAddress_INET_GetHostAddress(m_address);
 215     return wxString::Format(_T("%lu.%lu.%lu.%lu"),
 216                 (raw>>24) & 0xff,
 217                 (raw>>16) & 0xff,
 218                 (raw>>8) & 0xff,
 219                 raw & 0xff
 220         );
 221 }
 222
 223 bool wxIPV4address::operator==(const wxIPV4address& addr) const
 224 {
 225     return Hostname().Cmp(addr.Hostname()) == 0 &&
 226            Service() == addr.Service();
 227 }
 228
 229 #if wxUSE_IPV6
 230 // ---------------------------------------------------------------------------
 231 // wxIPV6address
 232 // ---------------------------------------------------------------------------
 233
 234 wxIPV6address::wxIPV6address()
 235   : wxIPaddress()
 236 {
 237 }
 238
 239 wxIPV6address::wxIPV6address(const wxIPV6address& other)
 240              : wxIPaddress(other), m_origHostname(other.m_origHostname)
 241 {
 242 }
 243
 244 wxIPV6address::~wxIPV6address()
 245 {
 246 }
 247
 248 bool wxIPV6address::Hostname(const wxString& name)
 249 {
 250   if (name.empty())
 251   {
 252     wxLogWarning( _("Trying to solve a NULL hostname: giving up") );
 253     return false;
 254   }
 255   m_origHostname = name;
 256   return (GAddress_INET6_SetHostName(m_address, name.mb_str()) == GSOCK_NOERROR);
 257 }
 258
 259 bool wxIPV6address::Hostname(unsigned char addr[16])
 260 {
 261   wxString name;
 262   unsigned short wk[8];
 263   for ( int i = 0; i < 8; ++i )
 264   {
 265     wk[i] = addr[2*i];
 266     wk[i] <<= 8;
 267     wk[i] |= addr[2*i+1];
 268   }
 269   name.Printf("%x:%x:%x:%x:%x:%x:%x:%x",
 270               wk[0], wk[1], wk[2], wk[3], wk[4], wk[5], wk[6], wk[7]);
 271   return Hostname(name);
 272 }
 273
 274 bool wxIPV6address::Service(const wxString& name)
 275 {
 276   return (GAddress_INET6_SetPortName(m_address, name.mb_str(), "tcp") == GSOCK_NOERROR);
 277 }
 278
 279 bool wxIPV6address::Service(unsigned short port)
 280 {
 281   return (GAddress_INET6_SetPort(m_address, port) == GSOCK_NOERROR);
 282 }
 283
 284 bool wxIPV6address::LocalHost()
 285 {
 286   return (GAddress_INET6_SetHostName(m_address, "localhost") == GSOCK_NOERROR);
 287 }
 288
 289 bool wxIPV6address::IsLocalHost() const
 290 {
 291   if ( Hostname() == "localhost" )
 292       return true;
 293
 294   wxString addr = IPAddress();
 295   return addr == wxT("::1") ||
 296             addr == wxT("0:0:0:0:0:0:0:1") ||
 297                 addr == wxT("::ffff:127.0.0.1");
 298 }
 299
 300 bool wxIPV6address::BroadcastAddress()
 301 {
 302     wxFAIL_MSG( "not implemented" );
 303
 304     return false;
 305 }
 306
 307 bool wxIPV6address::AnyAddress()
 308 {
 309   return (GAddress_INET6_SetAnyAddress(m_address) == GSOCK_NOERROR);
 310 }
 311
 312 wxString wxIPV6address::IPAddress() const
 313 {
 314     unsigned char addr[16];
 315     GAddress_INET6_GetHostAddress(m_address,(in6_addr*)addr);
 316
 317     wxUint16 words[8];
 318     int i,
 319         prefix_zero_count = 0;
 320     for ( i = 0; i < 8; ++i )
 321     {
 322         words[i] = addr[i*2];
 323         words[i] <<= 8;
 324         words[i] |= addr[i*2+1];
 325         if ( i == prefix_zero_count && words[i] == 0 )
 326             ++prefix_zero_count;
 327     }
 328
 329     wxString result;
 330     if ( prefix_zero_count == 8 )
 331     {
 332         result = wxT( "::" );
 333     }
 334     else if ( prefix_zero_count == 6 && words[5] == 0xFFFF )
 335     {
 336         // IPv4 mapped
 337         result.Printf("::ffff:%d.%d.%d.%d",
 338                       addr[12], addr[13], addr[14], addr[15]);
 339     }
 340     else // general case
 341     {
 342         result = ":";
 343         for ( i = prefix_zero_count; i < 8; ++i )
 344         {
 345             result += wxString::Format(":%x", words[i]);
 346         }
 347     }
 348
 349     return result;
 350 }
 351
 352 wxString wxIPV6address::Hostname() const
 353 {
 354    char hostname[1024];
 355    hostname[0] = 0;
 356
 357    if ( GAddress_INET6_GetHostName(m_address,
 358                                    hostname,
 359                                    WXSIZEOF(hostname)) != GSOCK_NOERROR )
 360        return wxEmptyString;
 361
 362    return wxString::FromAscii(hostname);
 363 }
 364
 365 unsigned short wxIPV6address::Service() const
 366 {
 367   return GAddress_INET6_GetPort(m_address);
 368 }
 369
 370 #endif // wxUSE_IPV6
 371
 372 #if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__)
 373
 374 // ---------------------------------------------------------------------------
 375 // wxUNIXaddress
 376 // ---------------------------------------------------------------------------
 377
 378 wxUNIXaddress::wxUNIXaddress()
 379              : wxSockAddress()
 380 {
 381 }
 382
 383 wxUNIXaddress::wxUNIXaddress(const wxUNIXaddress& other)
 384              : wxSockAddress(other)
 385 {
 386 }
 387
 388 wxUNIXaddress::~wxUNIXaddress()
 389 {
 390 }
 391
 392 void wxUNIXaddress::Filename(const wxString& fname)
 393 {
 394   GAddress_UNIX_SetPath(m_address, fname.fn_str());
 395 }
 396
 397 wxString wxUNIXaddress::Filename()
 398 {
 399   char path[1024];
 400
 401   path[0] = 0;
 402   GAddress_UNIX_GetPath(m_address, path, 1024);
 403
 404   return wxString::FromAscii(path);
 405 }
 406
 407 #endif // __UNIX__
 408
 409 #endif
 410   // wxUSE_SOCKETS