windows tcp socket programing for ipv6 stack binding problemm?????

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  13 years ago

  by satyanarayanam

  satyanarayana reddy

  , India

  Joined 13 years ago

  Here my code i am geting binding problem,if any body can help it,,,,

  it is for windows ipv6 sockets tcp server...simple application

  Thank you in advance..

  // tcpserver6.cpp : Defines the entry point for the console application.
  #include "stdafx.h"
  #include <winsock2.h>
  #include <ws2tcpip.h>
  //#include <Wspiapi.h>
  #include <stdio.h>
  
  
  
  
  

  int main(int argc, char* argv[])
  {
     SOCKET sd,newsd;
   unsigned short int port = 8888;
   unsigned long int total;
   int err;
   char *buf;
      printf("Hello\n");
   struct sockaddr_in6 local;
  // struct addrinfo local6;
  
  
  
  
  
  
  
  
  

  WSADATA wsaData;

  int wsaret=WSAStartup(0x101,&wsaData);

      //WSAStartup returns zero on success.
      //If it fails we exit.
      if(wsaret!=0)
      {
          return 0;
   }
  
  
  
  
  

  
    //  local.sin6_family=AF_INET6; //Address family
     IN6ADDR_ISANY(&local); //Wild card IP address
    
      local.sin6_port=htons((u_short)8888); //port to use
   
   sd = socket(AF_INET6,SOCK_STREAM,0);
   if(sd == INVALID_SOCKET)
   {
    printf("error\n");
   }
  
  
  
  
  
  
  
  
  
  

   err=bind(sd,(sockaddr*)&local,sizeof(local));
   if(err != 0)
      {
    printf( "bind return value ==%d\n",err);
          return 0;
      }
  
  
  
  
  

   if(listen(sd,10)!=0)
      {
          return 0;
      }
  
  
  

   

     printf("Waiting for data on port %d\n",port);
     int i =0;
     total = 0;
     while(1)
     {
         newsd = accept(sd,NULL,NULL);
        if(newsd < 0)
     {
        perror("Cannot accept connection");
    closesocket(newsd);
    return 0;
     }
  
  
  
  
  
  
  
  
  
  
  

         buf = (char *)malloc (10000);
      err = recv(newsd,buf,10000,0);
      if(err <= 0)
      {
       break;
      }
      total += err;
      printf("\n Total recv : %d in %d times \n",total,i);
      free(buf);
      i++;
     }
     if(err < 0)
     {
      perror("cannot recv data");
     }
     else
     {
      printf("Recv %d bytes\n",(int)total);
     }
     closesocket(newsd);
      closesocket(sd);
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  

   //goto again;
      printf("ending \n");
   WSACleanup();
  
  

  
      return 1;
  }
  
  
  
  

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