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Full Discussion: Bug has developed
Top Forums Programming Bug has developed Post 302128168 by arjunjag on Monday 23rd of July 2007 06:39:24 AM
Old 07-23-2007
Bug has developed

Guys there is another bug that has developed.........now messaged above 6 bytes are trimmed and echoed back to client.After the first message the echo is not regular.I have put a loop in both client and server to check for closing.Moreover for connection close i also need to put another clause that if there is a connection break in either server or client the connection should be closed from other side.Below are the server and clinet side codes after connection

Server
Code:
 while(j!=0)
    {
      memset(buffer,0,1024);/*clear buffer*/
      n = read(newsockfd,buffer,1024);/*read from client*/
      if (n < 0) perror("\n ERROR reading from socket \n");/*check for errors*/
      len=strlen(buffer);
      for(i=0;i<=len;i++)
	{
	  //strcpy(buf1,&buffer[i]);
	  //strcat(buf1,&buffer[i+1]);
	  k= strcmp("/",&buffer[i]);
	
	  if(k==0)
	    break;
	  break;
	}
	      for(p=i;p<=len;p++)
		{
		  j= strcmp("q",&buffer[p]);
		
	      if(j==0)
		{
		  close(newsockfd);
		  close(sockfd);
		  exit(0);
		  
		}
		}
	
	      puts(buffer);/*print message by client*/
	      write(newsockfd,"\n Client wrote",14);/*write to client*/
	      n=write(newsockfd,buffer,sizeof(buffer));/*write to client*/
	      if(n<0)perror("Write Failed");
	
      
    }

Client Side
Code:
	while(k!=0)
	  {
	    memset(&buf, 0, sizeof(buf));
    printf("\n Enter Message for Server");
    gets(buf);
    rc = write(s, buf,sizeof(buf)); 
     if(rc<0)
      {
	perror("write failed");
      }
    /* now that we are connected, start writing to the socket */	
    /* till write() returns 0, meaning the server closed	*/
    /* the connection.				*/
    len=strlen(buf);
    for(i=0;i<=len;i++)
      {
	//strcpy(b1,&buf[i]);
	//strcat(b1,&buf[i+1]);
	       
	l= strcmp("/",&buf[i]);
      
	if(l==0)
	  break;
	break;
      }
	    for(p=i;p<=len;p++)
	      {
	    k=  strcmp("q",&buf[p]);
	    if(k==0)
	      {
		close(s);
		exit (0);
	      }
	      }

	    read(s,buf1,14);
	    read(s,buf2,1024);
	    puts(buf1);/*print messages from server*/
	    puts(buf2);/*print messages from server*/
    
    
	  }
      }


Last edited by reborg; 07-23-2007 at 09:03 AM.. Reason: code tags
 

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PG_VERSION(3)															     PG_VERSION(3)

pg_version - Returns an array with client, protocol and server version (when available)

SYNOPSIS
array pg_version ([resource $connection]) DESCRIPTION
pg_version(3) returns an array with the client, protocol and server version. Protocol and server versions are only available if PHP was compiled with PostgreSQL 7.4 or later. For more detailed server information, use pg_parameter_status(3). PARAMETERS
o $connection - PostgreSQL database connection resource. When $connection is not present, the default connection is used. The default connection is the last connection made by pg_connect(3) or pg_pconnect(3). RETURN VALUES
Returns an array with client, protocol and server keys and values (if available). Returns FALSE on error or invalid connection. EXAMPLES
Example #1 pg_version(3) example <?php $dbconn = pg_connect("host=localhost port=5432 dbname=mary") or die("Could not connect"); $v = pg_version($dbconn); echo $v['client']; ?> The above example will output: 7.4 SEE ALSO
pg_parameter_status(3). PHP Documentation Group PG_VERSION(3)
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