Colony

#define REQUEST_BOM_MATRIX 0x90

//request: REQUEST_FROM_SERVER REQUEST_BOM_MATRIX 

//response: RESPONSE_TO_CLIENT_REQUEST REQUEST_BOM_MATRIX <numRobots> <row by row, values separated by spaces>

// if you don't know a value in the matrix, put -1 in there

//TODO: renamed these to end in LENGTH

#define MAX_RESPONSE_LEN 1024

#define WRITE_BUFFER_SIZE 4096

    if (number_tokens < 2)

      return -1;

    end_pointer=NULL;

    int second_token = strtol(tokens[1], &end_pointer, 10);

    if (!end_pointer || *end_pointer != '\0') {

      printf("There was an error converting second token into a number.\n");

      return -1;

    }

    if (second_token == REQUEST_BOM_MATRIX) {

      //TODO: rename to indicate its actually the response message

      char bom_matrix_buffer[MAX_RESPONSE_LEN];

      char temp_bom_matrix_buffer[MAX_RESPONSE_LEN];

      //TODO: change after we start keeping track of bom matrix

      int number_robots = rand()%10;

      int bom_matrix[number_robots][number_robots];

      for (int ii = 0; ii < number_robots; ii++) {

        for (int j = 0; j < number_robots; j++) {

          //do this to generate some -1 values which mean they can't see each other

          int matrix_value = rand()%(number_robots+1)-1;

          bom_matrix[ii][j] = matrix_value;

        }

      }

      printf("number of robots is %d\n", number_robots);

      //TODO: separate parameters with spaces

      //TODO: make this better

      //TODO: make sure I don't need to do MAX_RESPONSE_LENGTH-1

      snprintf(bom_matrix_buffer,MAX_RESPONSE_LEN, "%d %d %d", RESPONSE_TO_CLIENT_REQUEST, REQUEST_BOM_MATRIX, number_robots);

      for (int ii = 0; ii < number_robots; ii++) {

        for (int j = 0; j < number_robots; j++) {

          //TODO: don't use strcpy

          strcpy(temp_bom_matrix_buffer, bom_matrix_buffer);

          //TODO: put length checking in here so array doesn't go out of bounds

          //TODO: maybe use strncat?

          printf("Buffer is %s\n", bom_matrix_buffer);

          strcat(temp_bom_matrix_buffer," %d");

          snprintf(bom_matrix_buffer, MAX_RESPONSE_LEN, temp_bom_matrix_buffer, bom_matrix[ii][j]);

        }

      }

      strcat(bom_matrix_buffer,"\n");

      write_to_client(pool_index, bom_matrix_buffer, strlen(bom_matrix_buffer));

      printf("Sending %s", bom_matrix_buffer);

    } else {

      char * my_current_message = "Hi, how are you?\n";

      printf("Sending %s\n", my_current_message);

      write_to_client(pool_index, my_current_message, strlen(my_current_message));

    }