2001-10-06 14:13:28 +00:00
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#include "CNetworkAddress.h"
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2002-06-10 22:06:45 +00:00
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#include "XSocket.h"
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#include <cstdlib>
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#include <cstring>
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2001-10-06 14:13:28 +00:00
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//
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// CNetworkAddress
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//
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2002-06-10 22:06:45 +00:00
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CNetworkAddress::CNetworkAddress() :
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m_port(0)
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2001-10-06 14:13:28 +00:00
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{
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2002-06-09 16:53:25 +00:00
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// note -- make no calls to CNetwork socket interface here;
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// we're often called prior to CNetwork::init().
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2001-10-06 14:13:28 +00:00
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2002-06-09 16:53:25 +00:00
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struct sockaddr_in* inetAddress = reinterpret_cast<
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struct sockaddr_in*>(&m_address);
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2001-10-06 14:13:28 +00:00
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inetAddress->sin_family = AF_INET;
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2002-06-09 16:53:25 +00:00
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inetAddress->sin_port = CNetwork::swaphtons(m_port);
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2001-10-06 14:13:28 +00:00
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inetAddress->sin_addr.s_addr = INADDR_ANY;
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2001-10-25 22:17:17 +00:00
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memset(inetAddress->sin_zero, 0, sizeof(inetAddress->sin_zero));
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2001-10-06 14:13:28 +00:00
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}
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2002-06-17 13:31:21 +00:00
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CNetworkAddress::CNetworkAddress(UInt16 port) :
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2002-06-10 22:06:45 +00:00
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m_port(port)
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2001-10-06 14:13:28 +00:00
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{
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2002-06-09 16:53:25 +00:00
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if (port == 0) {
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throw XSocketAddress(XSocketAddress::kBadPort, m_hostname, m_port);
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}
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struct sockaddr_in* inetAddress = reinterpret_cast<
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struct sockaddr_in*>(&m_address);
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inetAddress->sin_family = AF_INET;
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inetAddress->sin_port = CNetwork::swaphtons(m_port);
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inetAddress->sin_addr.s_addr = INADDR_ANY;
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memset(inetAddress->sin_zero, 0, sizeof(inetAddress->sin_zero));
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}
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2002-06-17 13:31:21 +00:00
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CNetworkAddress::CNetworkAddress(const CString& hostname_, UInt16 port) :
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2002-06-10 22:06:45 +00:00
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m_hostname(hostname_),
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m_port(port)
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2002-06-09 16:53:25 +00:00
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{
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CString hostname(m_hostname);
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if (port == 0) {
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throw XSocketAddress(XSocketAddress::kBadPort, m_hostname, m_port);
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}
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// check for port suffix
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CString::size_type i = hostname.rfind(':');
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if (i != CString::npos && i + 1 < hostname.size()) {
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// found a colon. see if it looks like an IPv6 address.
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bool colonNotation = false;
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bool dotNotation = false;
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bool doubleColon = false;
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for (CString::size_type j = 0; j < i; ++j) {
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if (hostname[j] == ':') {
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colonNotation = true;
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dotNotation = false;
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if (hostname[j + 1] == ':') {
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doubleColon = true;
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}
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}
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else if (hostname[j] == '.' && colonNotation) {
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dotNotation = true;
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}
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}
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// port suffix is ambiguous with IPv6 notation if there's
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// a double colon and the end of the address is not in dot
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// notation. in that case we assume it's not a port suffix.
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// the user can replace the double colon with zeros to
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// disambiguate.
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if ((!doubleColon || dotNotation) || !colonNotation) {
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char* end;
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long suffixPort = strtol(hostname.c_str() + i + 1, &end, 10);
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if (end == hostname.c_str() + i + 1 || *end != '\0' ||
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suffixPort <= 0 || suffixPort > 65535) {
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// bogus port
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throw XSocketAddress(XSocketAddress::kBadPort,
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m_hostname, m_port);
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}
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else {
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// good port
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port = static_cast<UInt16>(suffixPort);
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hostname.erase(i);
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}
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}
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}
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// if hostname is empty then use wildcard address
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if (hostname.empty()) {
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struct sockaddr_in* inetAddress = reinterpret_cast<
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struct sockaddr_in*>(&m_address);
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inetAddress->sin_family = AF_INET;
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inetAddress->sin_port = CNetwork::swaphtons(port);
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inetAddress->sin_addr.s_addr = INADDR_ANY;
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memset(inetAddress->sin_zero, 0, sizeof(inetAddress->sin_zero));
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return;
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}
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2001-10-06 14:13:28 +00:00
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2002-06-09 16:53:25 +00:00
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// look up name
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2001-11-19 00:33:36 +00:00
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struct hostent* hent = CNetwork::gethostbyname(hostname.c_str());
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2001-10-06 14:13:28 +00:00
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if (hent == NULL) {
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2001-11-19 00:33:36 +00:00
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switch (CNetwork::gethosterror()) {
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2002-04-29 14:40:01 +00:00
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case CNetwork::kHOST_NOT_FOUND:
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2001-10-06 14:13:28 +00:00
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throw XSocketAddress(XSocketAddress::kNotFound, hostname, port);
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2002-04-29 14:40:01 +00:00
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case CNetwork::kNO_DATA:
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2001-10-06 14:13:28 +00:00
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throw XSocketAddress(XSocketAddress::kNoAddress, hostname, port);
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2002-04-29 14:40:01 +00:00
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case CNetwork::kNO_RECOVERY:
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case CNetwork::kTRY_AGAIN:
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default:
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2001-10-06 14:13:28 +00:00
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throw XSocketAddress(XSocketAddress::kUnknown, hostname, port);
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}
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}
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2002-06-09 16:53:25 +00:00
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struct sockaddr_in* inetAddress = reinterpret_cast<
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struct sockaddr_in*>(&m_address);
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2001-10-06 14:13:28 +00:00
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inetAddress->sin_family = hent->h_addrtype;
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2001-11-19 00:33:36 +00:00
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inetAddress->sin_port = CNetwork::swaphtons(port);
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2001-10-25 22:17:17 +00:00
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memcpy(&inetAddress->sin_addr, hent->h_addr_list[0], hent->h_length);
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memset(inetAddress->sin_zero, 0, sizeof(inetAddress->sin_zero));
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2001-10-06 14:13:28 +00:00
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}
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CNetworkAddress::~CNetworkAddress()
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{
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// do nothing
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}
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2002-06-10 22:06:45 +00:00
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bool
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CNetworkAddress::isValid() const
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2002-06-09 16:53:25 +00:00
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{
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return (m_port != 0);
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}
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2002-06-10 22:06:45 +00:00
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const CNetwork::Address*
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CNetworkAddress::getAddress() const
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2001-10-06 14:13:28 +00:00
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{
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return &m_address;
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}
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2002-06-10 22:06:45 +00:00
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CNetwork::AddressLength
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CNetworkAddress::getAddressLength() const
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2001-10-06 14:13:28 +00:00
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{
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return sizeof(m_address);
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}
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2002-06-09 16:53:25 +00:00
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2002-06-10 22:06:45 +00:00
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CString
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CNetworkAddress::getHostname() const
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2002-06-09 16:53:25 +00:00
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{
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return m_hostname;
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}
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2002-06-10 22:06:45 +00:00
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UInt16
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CNetworkAddress::getPort() const
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2002-06-09 16:53:25 +00:00
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{
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return m_port;
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}
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