C: TCP server doesnt receive the whole message -


hello im trying make server receive message :"str1\0str2\0str3\0" , separate in substrings. on client side seems work fine when im receiving message on server side receive "str1". appreciated thanks!

server:

   bzero(buffer,256);    n = read( newsockfd,buffer, 255 );     if (n < 0) {       perror("error reading socket");       exit(1);    }     printf("here message: %s\n",buffer);      for(int = 0; < strlen(buffer); i++){        printf("%c", buffer[i],i);        if ( buffer[i] == 0 ){        printf("0");      }    }`

client:

   char buffer[256];    int length =0;    char *uptr = buffer;    int i;         strcpy(uptr,argv[3]);        length = length + strlen(argv[3])-3;         ( = 4 ; < argc  ; i++){            memcpy(uptr+length+i, argv[i]  ,strlen(argv[i]) +1);            length = length + strlen(argv[i]);         }         buffer[length + (argc - 1)]= 0;          for(i = 0; < length + argc; i++){            printf("%c", buffer[i],i);         }

you never wrote code receive message. it's not surprising code doesn't receive message.

  bzero(buffer,256);   n = read( newsockfd,buffer, 255 );

this reads data might or might not message. after all, read function has no idea messages like.

printf("here message: %s\n",buffer);

wait, what? makes message? bytes read connection. it's not message.

you need write code receive message, otherwise won't receive messages bunch of bytes connection.


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