Beispiel #1
0
/****************************************************************************
  Thaw the connection. Then maybe compress the data waiting to send them
  to the connection. Returns TRUE on success. See also
  conn_compression_freeze().
****************************************************************************/
bool conn_compression_thaw(struct connection *pconn)
{
#ifdef USE_COMPRESSION
  pconn->compression.frozen_level--;
  if (0 == pconn->compression.frozen_level) {
    return conn_compression_flush(pconn);
  }
#endif /* USE_COMPRESSION */
  return pconn->used;
}
Beispiel #2
0
/****************************************************************************
  Thaw the connection. Then maybe compress the data waiting to send them
  to the connection. Returns TRUE on success. See also
  conn_compression_freeze().
****************************************************************************/
bool conn_compression_thaw(struct connection *pconn)
{
#ifdef USE_COMPRESSION
  pconn->compression.frozen_level--;
  fc_assert_action_msg(pconn->compression.frozen_level >= 0,
                       pconn->compression.frozen_level = 0,
                       "Too many calls to conn_compression_thaw on %s!",
                       conn_description(pconn));
  if (0 == pconn->compression.frozen_level) {
    return conn_compression_flush(pconn);
  }
#endif /* USE_COMPRESSION */
  return pconn->used;
}
Beispiel #3
0
/**************************************************************************
  It returns the request id of the outgoing packet (or 0 if is_server()).
**************************************************************************/
int send_packet_data(struct connection *pc, unsigned char *data, int len)
{
  /* default for the server */
  int result = 0;

  log_packet("sending packet type=%s(%d) len=%d to %s",
             packet_name(data[2]), data[2], len,
             is_server() ? pc->username : "******");

  if (!is_server()) {
    pc->client.last_request_id_used =
        get_next_request_id(pc->client.last_request_id_used);
    result = pc->client.last_request_id_used;
    log_packet("sending request %d", result);
  }

  if (pc->outgoing_packet_notify) {
    pc->outgoing_packet_notify(pc, data[2], len, result);
  }

#ifdef USE_COMPRESSION
  if (TRUE) {
    int packet_type;
    int size = len;

    packet_type = data[2];
    if (conn_compression_frozen(pc)) {
      size_t old_size = pc->compression.queue.size;

      byte_vector_reserve(&pc->compression.queue, old_size + len);
      memcpy(pc->compression.queue.p + old_size, data, len);
      log_compress2("COMPRESS: putting %s into the queue",
                    packet_name(packet_type));
      if (MAX_LEN_BUFFER < byte_vector_size(&pc->compression.queue)) {
        log_compress2("COMPRESS: huge queue, forcing to flush (%lu/%lu)",
                      (long unsigned)
                      byte_vector_size(&pc->compression.queue),
                      (long unsigned) MAX_LEN_BUFFER);
        if (!conn_compression_flush(pc)) {
          return -1;
        }
        byte_vector_reserve(&pc->compression.queue, 0);
      }
    } else {
      stat_size_alone += size;
      log_compress("COMPRESS: sending %s alone (%d bytes total)",
                   packet_name(packet_type), stat_size_alone);
      connection_send_data(pc, data, len);
    }

    log_compress2("COMPRESS: STATS: alone=%d compression-expand=%d "
                  "compression (before/after) = %d/%d",
                  stat_size_alone, stat_size_no_compression,
                  stat_size_uncompressed, stat_size_compressed);
  }
#else
  connection_send_data(pc, data, len);
#endif

#if PACKET_SIZE_STATISTICS
  {
    static struct {
      int counter;
      int size;
    } packets_stats[PACKET_LAST];
    static int packet_counter = 0;
    static int last_start_turn_seen = -1;
    static bool start_turn_seen = FALSE;

    int packet_type = data[2];
    int size = len;
    bool print = FALSE;
    bool clear = FALSE;

    if (!packet_counter) {
      int i;

      for (i = 0; i < PACKET_LAST; i++) {
	packets_stats[i].counter = 0;
	packets_stats[i].size = 0;
      }
    }

    packets_stats[packet_type].counter++;
    packets_stats[packet_type].size += size;

    packet_counter++;
    if (packet_type == PACKET_START_TURN
	&& last_start_turn_seen != game.turn) {
	start_turn_seen=TRUE;
      last_start_turn_seen = game.turn;
    }

    if ((packet_type ==
	 PACKET_PROCESSING_FINISHED || packet_type == PACKET_THAW_HINT)
	&& start_turn_seen) {
      start_turn_seen = FALSE;
      print = TRUE;
      clear = TRUE;
    }

    if(print) {
      int i, sum = 0;
#define log_ll log_debug

#if PACKET_SIZE_STATISTICS == 2
      delta_stats_report();
#endif
      log_ll("Transmitted packets:");
      log_ll("%8s %8s %8s %s", "Packets", "Bytes", "Byt/Pac", "Name");

      for (i = 0; i < PACKET_LAST; i++) {
	if (packets_stats[i].counter == 0) {
	  continue;
	}
	sum += packets_stats[i].size;
        log_ll("%8d %8d %8d %s(%i)",
               packets_stats[i].counter, packets_stats[i].size,
               packets_stats[i].size / packets_stats[i].counter,
               packet_name(i),i);
      }
      log_test("turn=%d; transmitted %d bytes in %d packets;average size "
               "per packet %d bytes", game.turn, sum, packet_counter,
               sum / packet_counter);
      log_test("turn=%d; transmitted %d bytes", game.turn,
               pc->statistics.bytes_send);
    }
    if (clear) {
      int i;

      for (i = 0; i < PACKET_LAST; i++) {
	packets_stats[i].counter = 0;
	packets_stats[i].size = 0;
      }
      packet_counter = 0;
      pc->statistics.bytes_send = 0;
      delta_stats_reset();
    }
  }
#undef log_ll
#endif /* PACKET_SIZE_STATISTICS */

  return result;
}
Beispiel #4
0
/**************************************************************************
  It returns the request id of the outgoing packet (or 0 if is_server()).
**************************************************************************/
int send_packet_data(struct connection *pc, unsigned char *data, int len,
                     enum packet_type packet_type)
{
  /* default for the server */
  int result = 0;


  log_packet("sending packet type=%s(%d) len=%d to %s",
             packet_name(packet_type), packet_type, len,
             is_server() ? pc->username : "******");

  if (!is_server()) {
    pc->client.last_request_id_used =
        get_next_request_id(pc->client.last_request_id_used);
    result = pc->client.last_request_id_used;
    log_packet("sending request %d", result);
  }

  if (pc->outgoing_packet_notify) {
    pc->outgoing_packet_notify(pc, packet_type, len, result);
  }

#ifdef USE_COMPRESSION
  if (TRUE) {
    int size = len;

    if (conn_compression_frozen(pc)) {
      size_t old_size;

      /* Keep this a decent amount less than MAX_LEN_BUFFER to avoid the
       * (remote) possibility of trying to dump MAX_LEN_BUFFER to the
       * network in one go */
#define MAX_LEN_COMPRESS_QUEUE (MAX_LEN_BUFFER/2)
      FC_STATIC_ASSERT(MAX_LEN_COMPRESS_QUEUE < MAX_LEN_BUFFER,
                       compress_queue_maxlen_too_big);

      /* If this packet would cause us to overfill the queue, flush
       * everything that's in there already before queuing this one */
      if (MAX_LEN_COMPRESS_QUEUE
          < byte_vector_size(&pc->compression.queue) + len) {
        log_compress2("COMPRESS: huge queue, forcing to flush (%lu/%lu)",
                      (long unsigned)
                      byte_vector_size(&pc->compression.queue),
                      (long unsigned) MAX_LEN_COMPRESS_QUEUE);
        if (!conn_compression_flush(pc)) {
          return -1;
        }
        byte_vector_reserve(&pc->compression.queue, 0);
      }

      old_size = byte_vector_size(&pc->compression.queue);
      byte_vector_reserve(&pc->compression.queue, old_size + len);
      memcpy(pc->compression.queue.p + old_size, data, len);
      log_compress2("COMPRESS: putting %s into the queue",
                    packet_name(packet_type));
    } else {
      stat_size_alone += size;
      log_compress("COMPRESS: sending %s alone (%d bytes total)",
                   packet_name(packet_type), stat_size_alone);
      connection_send_data(pc, data, len);
    }

    log_compress2("COMPRESS: STATS: alone=%d compression-expand=%d "
                  "compression (before/after) = %d/%d",
                  stat_size_alone, stat_size_no_compression,
                  stat_size_uncompressed, stat_size_compressed);
  }
#else  /* USE_COMPRESSION */
  connection_send_data(pc, data, len);
#endif /* USE_COMPRESSION */

#if PACKET_SIZE_STATISTICS
  {
    static struct {
      int counter;
      int size;
    } packets_stats[PACKET_LAST];
    static int packet_counter = 0;
    static int last_start_turn_seen = -1;
    static bool start_turn_seen = FALSE;

    int size = len;
    bool print = FALSE;
    bool clear = FALSE;

    if (!packet_counter) {
      int i;

      for (i = 0; i < PACKET_LAST; i++) {
	packets_stats[i].counter = 0;
	packets_stats[i].size = 0;
      }
    }

    packets_stats[packet_type].counter++;
    packets_stats[packet_type].size += size;

    packet_counter++;
    if (packet_type == PACKET_START_TURN
	&& last_start_turn_seen != game.turn) {
	start_turn_seen=TRUE;
      last_start_turn_seen = game.turn;
    }

    if ((packet_type ==
	 PACKET_PROCESSING_FINISHED || packet_type == PACKET_THAW_HINT)
	&& start_turn_seen) {
      start_turn_seen = FALSE;
      print = TRUE;
      clear = TRUE;
    }

    if(print) {
      int i, sum = 0;
#define log_ll log_debug

#if PACKET_SIZE_STATISTICS == 2
      delta_stats_report();
#endif
      log_ll("Transmitted packets:");
      log_ll("%8s %8s %8s %s", "Packets", "Bytes", "Byt/Pac", "Name");

      for (i = 0; i < PACKET_LAST; i++) {
	if (packets_stats[i].counter == 0) {
	  continue;
	}
	sum += packets_stats[i].size;
        log_ll("%8d %8d %8d %s(%i)",
               packets_stats[i].counter, packets_stats[i].size,
               packets_stats[i].size / packets_stats[i].counter,
               packet_name(i),i);
      }
      log_test("turn=%d; transmitted %d bytes in %d packets;average size "
               "per packet %d bytes", game.turn, sum, packet_counter,
               sum / packet_counter);
      log_test("turn=%d; transmitted %d bytes", game.turn,
               pc->statistics.bytes_send);
    }
    if (clear) {
      int i;

      for (i = 0; i < PACKET_LAST; i++) {
	packets_stats[i].counter = 0;
	packets_stats[i].size = 0;
      }
      packet_counter = 0;
      pc->statistics.bytes_send = 0;
      delta_stats_reset();
    }
  }
#undef log_ll
#endif /* PACKET_SIZE_STATISTICS */

  return result;
}