CASocketAddrINet.cpp

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/*
Copyright (c) 2000, The JAP-Team
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

  - Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.

  - 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.

  - Neither the name of the University of Technology Dresden, Germany nor the names of its contributors
    may be used to endorse or promote products derived from this software without specific
    prior written permission.


THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS
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 "StdAfx.h"
#include "CASocketAddrINet.hpp"
#include "CAMsg.hpp"

CAMutex* CASocketAddrINet::m_pcsGet=NULL;

/*SINT32 CASocketAddrINet::init()
  {
    if(!m_bIsCsInitialized)
      {
        m_bIsCsInitialized=true;
      }
    return E_SUCCESS;
  }
*/
/*SINT32 CASocketAddrINet::destroy()
  {
    if(m_bIsCsInitialized)
      {
        DeleteCriticalSection(&m_csGet);
      }
    m_bIsCsInitialized=false;
    return E_SUCCESS;
  }
*/

CASocketAddrINet::CASocketAddrINet()
  {
    memset((SOCKADDR*)LPSOCKADDR(),0,getSize());
    sin_family=AF_INET;
    sin_addr.s_addr=INADDR_ANY;
    sin_port=0;
  }

CASocketAddrINet::CASocketAddrINet(UINT16 port)
  {
    memset((SOCKADDR*)LPSOCKADDR(),0,getSize());
    sin_family=AF_INET;
    sin_port=htons(port);
    sin_addr.s_addr=INADDR_ANY;
  }

CASocketAddrINet::CASocketAddrINet(const CASocketAddrINet& addr)
  {
    memset((SOCKADDR*)LPSOCKADDR(),0,getSize());
    sin_family=AF_INET;
    sin_port=addr.sin_port;
    sin_addr.s_addr=addr.sin_addr.s_addr;
  }

SINT32 CASocketAddrINet::setAddr(const UINT8* szIP,UINT16 port)
  {
    UINT32 newAddr=INADDR_ANY;
    if(szIP!=NULL)
      {
        newAddr=inet_addr((const char*)szIP); //is it a doted string (a.b.c.d) ?
        if(newAddr==INADDR_NONE) //if not try to find the hostname
          {
            m_pcsGet->lock();
            HOSTENT* hostent=gethostbyname((const char*)szIP); //lookup
            if(hostent!=NULL) //get it!
              memcpy(&newAddr,hostent->h_addr_list[0],hostent->h_length);
            else
              {
                m_pcsGet->unlock();
                return E_UNKNOWN_HOST; //not found!
              }
            m_pcsGet->unlock();
          }
      }
    sin_addr.s_addr=newAddr;
    sin_port=htons(port);
    return E_SUCCESS;
  }

SINT32 CASocketAddrINet::setPort(UINT16 port)
  {
    sin_port=htons(port);
    return E_SUCCESS;
  }

UINT16 CASocketAddrINet::getPort() const
  {
    return ntohs(sin_port);
  }

SINT32 CASocketAddrINet::getHostName(UINT8* buff,UINT32 len) const
  {
    if(buff==NULL)
      return E_UNSPECIFIED;
    SINT32 ret;
    m_pcsGet->lock();
    HOSTENT* hosten=gethostbyaddr((const char*)&sin_addr,4,AF_INET);
    if(hosten==NULL||hosten->h_name==NULL)
      ret=E_UNKNOWN_HOST;
    else if(strlen(hosten->h_name)>=len)
      ret=E_SPACE;
    else
      {
        strcpy((char*)buff,hosten->h_name);
        ret=E_SUCCESS;
      }
    m_pcsGet->unlock();
    return ret;
  }

SINT32 CASocketAddrINet::getIP(UINT8 buff[4]) const
  {
    memcpy(buff,&sin_addr.s_addr,4);
    return E_SUCCESS;
  }

SINT32 CASocketAddrINet::setIP(UINT8 ip[4])
  {
    memcpy(&sin_addr.s_addr,ip,4);
    return E_SUCCESS;
  }

SINT32 CASocketAddrINet::getIPAsStr(UINT8* buff,UINT32 len) const
  {
    if(buff==NULL)
      return E_UNKNOWN;
    UINT8 ip[4];
    if(getIP(ip)!=E_SUCCESS)
      return E_UNKNOWN;
    char* strAddr=inet_ntoa(sin_addr);
    if(strAddr==NULL)
      return E_UNKNOWN;
    if(strlen(strAddr)>=len)
      return E_UNKNOWN;
    strcpy((char*)buff,strAddr);
    return E_SUCCESS;
  }

SINT32 CASocketAddrINet::getLocalHostName(UINT8* buff,UINT32 len)
  {
    if(buff==NULL)
      return E_UNSPECIFIED;
    SINT32 ret;
    m_pcsGet->lock();
    if(gethostname((char*)buff,len)==-1)
      ret=E_SPACE;
    else
      {
        HOSTENT* hosten=gethostbyname((char*)buff);
        if(hosten==NULL||hosten->h_name==NULL)
          ret=E_UNKNOWN_HOST;
        else if(strlen(hosten->h_name)>=len)
          ret=E_SPACE;
        else
          {
            strcpy((char*)buff,hosten->h_name);
            ret=E_SUCCESS;
          }
      }
    m_pcsGet->unlock();
    return ret;
  }

SINT32 CASocketAddrINet::getLocalHostIP(UINT8 ip[4])
  {
    SINT32 ret;
    char buff[256];
    m_pcsGet->lock();
    if(gethostname(buff,256)==-1)
      ret=E_UNKNOWN;
    else
      {
        HOSTENT* hosten=gethostbyname((char*)buff);
        if(hosten==NULL)
          ret=E_UNKNOWN;
        else
          {
            memcpy((char*)ip,hosten->h_addr_list[0],4);
            ret=E_SUCCESS;
          }
      }
    m_pcsGet->unlock();
    return ret;
  }