1 files changed, 267 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/base/socketaddress.cpp b/kopete/protocols/jabber/jingle/libjingle/talk/base/socketaddress.cpp
new file mode 100644
index 00000000..30d43fc6
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/base/socketaddress.cpp
@@ -0,0 +1,267 @@
+/*
+ * libjingle
+ * Copyright 2004--2005, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice, 
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products 
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "talk/base/socketaddress.h"
+#include "talk/base/byteorder.h"
+#include "talk/base/logging.h"
+#include <cstring>
+#include <sstream>
+#include <cassert>
+
+#ifdef WIN32
+#undef SetPort
+int inet_aton(const char * cp, struct in_addr * inp) {
+  inp->s_addr = inet_addr(cp);
+  return (inp->s_addr == INADDR_NONE) ? 0 : 1;
+}
+#endif // WIN32
+
+#ifdef POSIX
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#endif
+
+#ifdef _DEBUG
+#define DISABLE_DNS 0
+#else // !_DEBUG
+#define DISABLE_DNS 0
+#endif // !_DEBUG
+
+namespace cricket {
+
+SocketAddress::SocketAddress() {
+  Zero();
+}
+
+SocketAddress::SocketAddress(const std::string& hostname, int port, bool use_dns) {
+  Zero();
+  SetIP(hostname, use_dns);
+  SetPort(port);
+}
+
+SocketAddress::SocketAddress(uint32 ip, int port) {
+  Zero();
+  SetIP(ip);
+  SetPort(port);
+}
+
+SocketAddress::SocketAddress(const SocketAddress& addr) {
+  Zero();
+  this->operator=(addr);
+}
+
+void SocketAddress::Zero() {
+  ip_ = 0;
+  port_ = 0;
+}
+
+SocketAddress& SocketAddress::operator =(const SocketAddress& addr) {
+  hostname_ = addr.hostname_;
+  ip_ = addr.ip_;
+  port_ = addr.port_;
+  return *this;
+}
+
+void SocketAddress::SetIP(uint32 ip) {
+  hostname_.clear();
+  ip_ = ip;
+}
+
+bool SocketAddress::SetIP(const std::string& hostname, bool use_dns) {
+  hostname_ = hostname;
+  ip_ = 0;
+  return Resolve(true, use_dns);
+}
+
+void SocketAddress::SetResolvedIP(uint32 ip) {
+  ip_ = ip;
+}
+
+void SocketAddress::SetPort(int port) {
+  assert((0 <= port) && (port < 65536));
+  port_ = port;
+}
+
+uint32 SocketAddress::ip() const {
+  return ip_;
+}
+
+uint16 SocketAddress::port() const {
+  return port_;
+}
+
+std::string SocketAddress::IPAsString() const {
+  if (!hostname_.empty())
+    return hostname_;
+  return IPToString(ip_);
+}
+
+std::string SocketAddress::PortAsString() const {
+  std::ostringstream ost;
+  ost << port_;
+  return ost.str();
+}
+
+std::string SocketAddress::ToString() const {
+  std::ostringstream ost;
+  ost << IPAsString();
+  ost << ":";
+  ost << port();
+  return ost.str();
+}
+
+bool SocketAddress::IsAny() const {
+  return (ip_ == 0);
+}
+
+bool SocketAddress::IsLocalIP() const {
+  return (ip_ >> 24) == 127;
+}
+
+bool SocketAddress::IsPrivateIP() const {
+  return ((ip_ >> 24) == 127) ||
+         ((ip_ >> 24) == 10) ||
+         ((ip_ >> 20) == ((172 << 4) | 1)) ||
+         ((ip_ >> 16) == ((192 << 8) | 168));
+}
+
+bool SocketAddress::IsUnresolved() const {
+  return IsAny() && !hostname_.empty();
+}
+
+bool SocketAddress::Resolve(bool force, bool use_dns) {
+  if (hostname_.empty()) {
+    // nothing to resolve
+  } else if (!force && !IsAny()) {
+    // already resolved
+  } else if (uint32 ip = StringToIP(hostname_, use_dns)) {
+    ip_ = ip;
+  } else {
+    return false;
+  }
+  return true;
+}
+
+bool SocketAddress::operator ==(const SocketAddress& addr) const {
+  return EqualIPs(addr) && EqualPorts(addr);
+}
+
+bool SocketAddress::operator <(const SocketAddress& addr) const {
+  if (ip_ < addr.ip_)
+    return true;
+  else if (addr.ip_ < ip_)
+    return false;
+
+  // We only check hostnames if both IPs are zero.  This matches EqualIPs()
+  if (addr.ip_ == 0) {
+    if (hostname_ < addr.hostname_)
+      return true;
+    else if (addr.hostname_ < hostname_)
+      return false;
+  }
+
+  return port_ < addr.port_;
+}
+
+bool SocketAddress::EqualIPs(const SocketAddress& addr) const {
+  return (ip_ == addr.ip_) && ((ip_ != 0) || (hostname_ == addr.hostname_));
+}
+
+bool SocketAddress::EqualPorts(const SocketAddress& addr) const {
+  return (port_ == addr.port_);
+}
+
+size_t SocketAddress::Hash() const {
+  size_t h = 0;
+  h ^= ip_;
+  h ^= port_ | (port_ << 16);
+  return h;
+}
+
+size_t SocketAddress::Size_() const {
+  return sizeof(ip_) + sizeof(port_);
+}
+
+void SocketAddress::Write_(char* buf, int len) const {
+  // TODO: Depending on how this is used, we may want/need to write hostname
+  assert((size_t)len >= Size_());
+  reinterpret_cast<uint32*>(buf)[0] = ip_;
+  buf += sizeof(ip_);
+  reinterpret_cast<uint16*>(buf)[0] = port_;
+}
+
+void SocketAddress::Read_(const char* buf, int len) {
+  assert((size_t)len >= Size_());
+  ip_ = reinterpret_cast<const uint32*>(buf)[0];
+  buf += sizeof(ip_);
+  port_ = reinterpret_cast<const uint16*>(buf)[0];
+}
+
+std::string SocketAddress::IPToString(uint32 ip) {
+  std::ostringstream ost;
+  ost << ((ip >> 24) & 0xff);
+  ost << '.';
+  ost << ((ip >> 16) & 0xff);
+  ost << '.';
+  ost << ((ip >> 8) & 0xff);
+  ost << '.';
+  ost << ((ip >> 0) & 0xff);
+  return ost.str();
+}
+
+uint32 SocketAddress::StringToIP(const std::string& hostname, bool use_dns) {
+  uint32 ip = 0;
+  in_addr addr;
+  if (inet_aton(hostname.c_str(), &addr) != 0) {
+    ip = NetworkToHost32(addr.s_addr);
+  } else if (use_dns) {
+    // Note: this is here so we can spot spurious DNS resolutions for a while
+    LOG(INFO) << "=== DNS RESOLUTION (" << hostname << ") ===";
+#if DISABLE_DNS
+    LOG(WARNING) << "*** DNS DISABLED ***";
+#ifdef WIN32
+    WSASetLastError(WSAHOST_NOT_FOUND);
+#endif // WIN32
+#endif // DISABLE_DNS
+    if (hostent * pHost = gethostbyname(hostname.c_str())) {
+      ip = NetworkToHost32(*reinterpret_cast<uint32 *>(pHost->h_addr_list[0]));
+    } else {
+#ifdef WIN32
+      LOG(LS_ERROR) << "gethostbyname error: " << WSAGetLastError();
+#else
+      LOG(LS_ERROR) << "gethostbyname error: " << strerror(h_errno);
+#endif
+    }
+    LOG(INFO) << hostname << " resolved to " << IPToString(ip);
+  }
+  return ip;
+}
+
+} // namespace cricket