msg_task_t task_send = MSG_task_create(NULL, 0, TRACKER_COMM_SIZE, data);
msg_task_t task_received = NULL;
msg_comm_t comm_received;
- while (!send_success && MSG_get_clock() < timeout) {
+ while ((send_success == 0) && MSG_get_clock() < timeout) {
XBT_DEBUG("Sending a peer request to the tracker.");
msg_error_t status = MSG_task_send_with_timeout(task_send, TRACKER_MAILBOX, GET_PEERS_TIMEOUT);
if (status == MSG_OK) {
send_success = 1;
}
}
- while (!success && MSG_get_clock() < timeout) {
+ while ((success ==0) && MSG_get_clock() < timeout) {
comm_received = MSG_task_irecv(&task_received, peer->mailbox_tracker);
msg_error_t status = MSG_comm_wait(comm_received, GET_PEERS_TIMEOUT);
if (status == MSG_OK) {
void update_active_peers_set(peer_t peer, connection_t remote_peer)
{
- if (remote_peer->interested && !remote_peer->choked_upload) {
+ if ((remote_peer->interested != 0) && (remote_peer->choked_upload == 0)) {
//add in the active peers set
xbt_dict_set_ext(peer->active_peers, (char *) &remote_peer->id, sizeof(int), remote_peer, NULL);
} else {
case MESSAGE_HANDSHAKE:
XBT_DEBUG("Received a HANDSHAKE from %s (%s)", message->mailbox, message->issuer_host_name);
//Check if the peer is in our connection list.
- if (!remote_peer) {
+ if (remote_peer == 0) {
xbt_dict_set_ext(peer->peers, (char *) &message->peer_id, sizeof(int), connection_new(message->peer_id), NULL);
send_handshake(peer, message->mailbox);
}
remote_peer->bitfield[message->index] = '1';
peer->pieces_count[message->index]++;
//If the piece is in our pieces, we tell the peer that we are interested.
- if (!remote_peer->am_interested && peer->bitfield[message->index] == '0') {
+ if ((remote_peer->am_interested == 0) &&
+ peer->bitfield[message->index] == '0') {
remote_peer->am_interested = 1;
send_interested(peer, message->mailbox);
- if (!remote_peer->choked_download)
+ if ((remote_peer->choked_download == 0))
request_new_piece_to_peer(peer, remote_peer);
}
break;
xbt_assert(remote_peer->interested, "WTF !!!");
xbt_assert((message->index >= 0 && message->index < FILE_PIECES), "Wrong request received");
- if (!remote_peer->choked_upload) {
+ if ((remote_peer->choked_upload == 0)) {
XBT_DEBUG("Received a REQUEST from %s (%s) for %d (%d,%d)", message->mailbox, message->issuer_host_name,
message->index, message->block_index, message->block_index + message->block_length);
if (peer->bitfield[message->index] == '1') {
return piece;
// end game mode
- if (xbt_dynar_length(peer->current_pieces) >= (FILE_PIECES - peer->pieces) && is_interested(peer, remote_peer)) {
- if(!ENABLE_END_GAME_MODE)
+ if (xbt_dynar_length(peer->current_pieces) >= (FILE_PIECES - peer->pieces) &&
+ (is_interested(peer, remote_peer) != 0)) {
+ if(ENABLE_END_GAME_MODE == 0)
return -1;
int i;
int nb_interesting_pieces = 0;
return piece;
}
// Random first policy
- if (peer->pieces < 4 && is_interested_and_free(peer, remote_peer)) {
+ if (peer->pieces < 4 && (is_interested_and_free(peer, remote_peer) != 0)) {
int i;
int nb_interesting_pieces = 0;
int random_piece_index, current_index = 0;
// compute the number of interesting pieces
for (i = 0; i < FILE_PIECES; i++) {
- if (peer->bitfield[i] == '0' && remote_peer->bitfield[i] == '1' && !in_current_pieces(peer, i)) {
+ if (peer->bitfield[i] == '0' && remote_peer->bitfield[i] == '1' &&
+ (in_current_pieces(peer, i) == 0)) {
nb_interesting_pieces++;
}
}
// get a random interesting piece
random_piece_index = RngStream_RandInt(peer->stream, 0, nb_interesting_pieces - 1);
for (i = 0; i < FILE_PIECES; i++) {
- if (peer->bitfield[i] == '0' && remote_peer->bitfield[i] == '1' && !in_current_pieces(peer, i)) {
+ if (peer->bitfield[i] == '0' && remote_peer->bitfield[i] == '1' &&
+ (in_current_pieces(peer, i) == 0)) {
if (random_piece_index == current_index) {
piece = i;
break;
int random_rarest_index, current_index = 0;
// compute the smallest number of copies of available pieces
for (i = 0; i < FILE_PIECES; i++) {
- if (peer->pieces_count[i] < min && peer->bitfield[i] == '0' && remote_peer->bitfield[i] == '1'
- && !in_current_pieces(peer, i))
+ if (peer->pieces_count[i] < min && peer->bitfield[i] == '0' &&
+ remote_peer->bitfield[i] == '1' && (in_current_pieces(peer, i) == 0))
min = peer->pieces_count[i];
}
- xbt_assert(min != SHRT_MAX || !is_interested_and_free(peer, remote_peer), "WTF !!!");
+ xbt_assert(min != SHRT_MAX ||
+ (is_interested_and_free(peer, remote_peer) ==0), "WTF !!!");
// compute the number of rarest pieces
for (i = 0; i < FILE_PIECES; i++) {
- if (peer->pieces_count[i] == min && peer->bitfield[i] == '0' && remote_peer->bitfield[i] == '1'
- && !in_current_pieces(peer, i))
+ if (peer->pieces_count[i] == min && peer->bitfield[i] == '0' &&
+ remote_peer->bitfield[i] == '1' && (in_current_pieces(peer, i) ==0))
nb_min_pieces++;
}
- xbt_assert(nb_min_pieces != 0 || !is_interested_and_free(peer, remote_peer), "WTF !!!");
+ xbt_assert(nb_min_pieces != 0 ||
+ (is_interested_and_free(peer, remote_peer)==0), "WTF !!!");
// get a random rarest piece
random_rarest_index = RngStream_RandInt(peer->stream, 0, nb_min_pieces - 1);
for (i = 0; i < FILE_PIECES; i++) {
- if (peer->pieces_count[i] == min && peer->bitfield[i] == '0' && remote_peer->bitfield[i] == '1'
- && !in_current_pieces(peer, i)) {
+ if (peer->pieces_count[i] == min && peer->bitfield[i] == '0' &&
+ remote_peer->bitfield[i] == '1' && (in_current_pieces(peer, i)==0)) {
if (random_rarest_index == current_index) {
piece = i;
break;
current_index++;
}
}
- xbt_assert(piece != -1 || !is_interested_and_free(peer, remote_peer), "WTF !!!");
+ xbt_assert(piece != -1 ||
+ (is_interested_and_free(peer, remote_peer) == 0), "WTF !!!");
return piece;
}
}
double unchoke_time = MSG_get_clock() + 1;
xbt_dict_foreach(peer->peers, cursor, key, connection) {
- if (connection->last_unchoke < unchoke_time && connection->interested && connection->choked_upload) {
+ if (connection->last_unchoke < unchoke_time &&
+ (connection->interested != 0) && (connection->choked_upload != 0)) {
unchoke_time = connection->last_unchoke;
peer_choosed = connection;
}
i++;
}
xbt_dict_cursor_free(&cursor);
- if (!peer_choosed->interested || !peer_choosed->choked_upload) {
+ if ((peer_choosed->interested == 0) ||
+ (peer_choosed->choked_upload == 0)) {
peer_choosed = NULL;
}
j++;
connection_t connection;
double fastest_speed = 0.0;
xbt_dict_foreach(peer->peers, cursor, key, connection) {
- if (connection->peer_speed > fastest_speed && connection->choked_upload && connection->interested) {
+ if (connection->peer_speed > fastest_speed &&
+ (connection->choked_upload != 0) && (connection->interested != 0)) {
peer_choosed = connection;
fastest_speed = connection->peer_speed;
}
int interested;
xbt_dict_foreach(peer->peers, cursor, key, connection) {
interested = 0;
- if (connection->am_interested) {
+ if (connection->am_interested != 0) {
xbt_assert(connection->bitfield, "Bitfield not received");
//Check if the peer still has a piece we want.
int i;
xbt_assert(remote_peer->bitfield, "Bitfield not received");
int i;
for (i = 0; i < FILE_PIECES; i++) {
- if (remote_peer->bitfield[i] == '1' && peer->bitfield[i] == '0' && !in_current_pieces(peer, i)) {
+ if (remote_peer->bitfield[i] == '1' && peer->bitfield[i] == '0' &&
+ (in_current_pieces(peer, i) == 0)) {
return 1;
}
}
xbt_assert(remote_peer->bitfield, "Bitfield not received");
int i;
for (i = 0; i < FILE_PIECES; i++) {
- if (remote_peer->bitfield[i] == '1' && peer->bitfield[i] == '0' && !in_current_pieces(peer, i)) {
+ if (remote_peer->bitfield[i] == '1' && peer->bitfield[i] == '0' &&
+ (in_current_pieces(peer, i) == 0)) {
if (get_first_block(peer, i) > 0)
return i;
}
*
***********************************************************/
-
-
/** @brief Send a "interested" message to a peer
* @param peer peer data
* @param mailbox destination mailbox