void wd_broadcast(wd_chat_t *chat, uint32_t n, wi_string_t *fmt, ...) {
wi_enumerator_t *enumerator;
wi_string_t *string;
wi_array_t *users;
wd_user_t *user;
va_list ap;
va_start(ap, fmt);
string = wi_string_init_with_format_and_arguments(wi_string_alloc(), fmt, ap);
va_end(ap);
users = wd_chat_users(chat);
wi_array_rdlock(users);
enumerator = wi_array_data_enumerator(users);
while((user = wi_enumerator_next_data(enumerator))) {
if(wd_user_state(user) == WD_USER_LOGGED_IN) {
wd_user_lock_socket(user);
wi_socket_write_format(wd_user_socket(user), 0.0, WI_STR("%u %@%c"), n, string, WD_MESSAGE_SEPARATOR);
wd_user_unlock_socket(user);
}
}
wi_array_unlock(users);
wi_release(string);
}
void wd_reply(uint32_t n, wi_string_t *fmt, ...) {
wd_user_t *user = wd_users_user_for_thread();
wi_string_t *string;
va_list ap;
va_start(ap, fmt);
string = wi_string_init_with_format_and_arguments(wi_string_alloc(), fmt, ap);
va_end(ap);
wd_user_lock_socket(user);
wi_socket_write_format(wd_user_socket(user), 0.0, WI_STR("%u %@%c"), n, string, WD_MESSAGE_SEPARATOR);
wd_user_unlock_socket(user);
wi_release(string);
}
static void wd_transfers_update_queue(void) {
wi_mutable_set_t *users;
wi_mutable_array_t *sorted_users, *transfers_queue, *failed_transfers;
wd_transfer_t *transfer;
wd_user_t *user;
wi_uinteger_t position;
wi_uinteger_t i, count;
wi_uinteger_t total_downloads, total_uploads, user_downloads, user_uploads, active_downloads, active_uploads;
wi_boolean_t queue;
wi_array_rdlock(wd_transfers);
total_downloads = wd_settings.totaldownloads;
user_downloads = wd_settings.clientdownloads;
total_uploads = wd_settings.totaluploads;
user_uploads = wd_settings.clientuploads;
active_downloads = 0;
active_uploads = 0;
failed_transfers = wi_array_init(wi_mutable_array_alloc());
users = wi_set_init(wi_mutable_set_alloc());
count = wi_array_count(wd_transfers);
for(i = 0; i < count; i++) {
transfer = WI_ARRAY(wd_transfers, i);
if(wd_transfer_state(transfer) == WD_TRANSFER_QUEUED) {
wi_mutable_array_add_data(wd_user_transfers_queue(transfer->user), transfer);
wi_mutable_set_add_data(users, transfer->user);
}
wd_user_clear_downloads(transfer->user);
wd_user_clear_uploads(transfer->user);
}
for(i = 0; i < count; i++) {
transfer = WI_ARRAY(wd_transfers, i);
if(wd_transfer_state(transfer) == WD_TRANSFER_RUNNING) {
if(transfer->type == WD_TRANSFER_DOWNLOAD) {
active_downloads++;
wd_user_increase_downloads(transfer->user);
} else {
active_uploads++;
wd_user_increase_uploads(transfer->user);
}
}
}
count = wi_set_count(users);
if(count > 0) {
sorted_users = wi_autorelease(wi_mutable_copy(wi_set_all_data(users)));
wi_mutable_array_sort(sorted_users, wd_transfers_compare_user);
position = 1;
while(count > 0) {
for(i = 0; i < count; i++) {
user = WI_ARRAY(sorted_users, i);
transfers_queue = wd_user_transfers_queue(user);
transfer = WI_ARRAY(transfers_queue, 0);
if(transfer->type == WD_TRANSFER_DOWNLOAD) {
queue = ((total_downloads > 0 && active_downloads >= total_downloads) ||
(user_downloads > 0 && wd_user_downloads(transfer->user) >= user_downloads));
} else {
queue = ((total_uploads > 0 && active_uploads >= total_uploads) ||
(user_uploads > 0 && wd_user_uploads(transfer->user) >= user_uploads));
}
if(queue) {
if(transfer->queue != position) {
transfer->queue = position;
wd_user_lock_socket(transfer->user);
wd_sreply(wd_user_socket(transfer->user), 401, WI_STR("%#@%c%u"),
transfer->path, WD_FIELD_SEPARATOR,
transfer->queue);
wd_user_unlock_socket(transfer->user);
}
position++;
} else {
transfer->queue = 0;
transfer->waiting_time = wi_time_interval();
wd_transfer_set_state(transfer, WD_TRANSFER_WAITING);
if(wd_transfer_open(transfer)) {
wd_transfer_create_timer(transfer);
wd_user_lock_socket(transfer->user);
wd_sreply(wd_user_socket(transfer->user), 400, WI_STR("%#@%c%llu%c%#@"),
transfer->path, WD_FIELD_SEPARATOR,
transfer->offset, WD_FIELD_SEPARATOR,
transfer->hash);
wd_user_unlock_socket(transfer->user);
} else {
wd_user_lock_socket(transfer->user);
wd_sreply(wd_user_socket(transfer->user), 500, WI_STR("Command Failed"));
wd_user_unlock_socket(transfer->user);
wi_mutable_array_add_data(failed_transfers, transfer);
}
}
wi_mutable_array_remove_data_at_index(transfers_queue, 0);
if(wi_array_count(transfers_queue) == 0) {
wi_mutable_array_remove_data_at_index(sorted_users, i);
i--;
count--;
}
}
}
}
wi_mutable_array_remove_data_in_array(wd_transfers, failed_transfers);
wi_array_unlock(wd_transfers);
wi_release(users);
wi_release(failed_transfers);
}
static wi_boolean_t wd_transfer_download(wd_transfer_t *transfer) {
wi_pool_t *pool;
wi_socket_t *socket;
wi_p7_socket_t *p7_socket;
wd_account_t *account;
char buffer[WD_TRANSFER_BUFFER_SIZE];
wi_socket_state_t state;
wi_time_interval_t timeout, interval, speedinterval, statusinterval, accountinterval;
wi_file_offset_t sendbytes, speedbytes, statsbytes;
wi_uinteger_t i, transfers;
ssize_t readbytes;
int sd;
wi_boolean_t data, result;
wd_user_state_t user_state;
interval = wi_time_interval();
speedinterval = interval;
statusinterval = interval;
accountinterval = interval;
speedbytes = 0;
statsbytes = 0;
i = 0;
socket = wd_user_socket(transfer->user);
sd = wi_socket_descriptor(socket);
p7_socket = wd_user_p7_socket(transfer->user);
account = wd_user_account(transfer->user);
data = true;
result = true;
wd_transfers_note_statistics(WD_TRANSFER_DOWNLOAD, WD_TRANSFER_STATISTICS_ADD, 0);
wi_dictionary_rdlock(wd_transfers_user_downloads);
transfers = (wi_integer_t) wi_dictionary_data_for_key(wd_transfers_user_downloads, transfer->key);
wi_dictionary_unlock(wd_transfers_user_downloads);
pool = wi_pool_init(wi_pool_alloc());
wd_user_lock_socket(transfer->user);
while(wd_user_state(transfer->user) == WD_USER_LOGGED_IN) {
if(data && transfer->remainingdatasize == 0)
data = false;
if(!data && transfer->remainingrsrcsize == 0)
break;
readbytes = read(data ? transfer->datafd : transfer->rsrcfd, buffer, sizeof(buffer));
if(readbytes <= 0) {
if(readbytes < 0) {
wi_log_error(WI_STR("Could not read download from \"%@\": %m"),
data ? transfer->realdatapath : transfer->realrsrcpath, strerror(errno));
}
result = false;
break;
}
timeout = wi_time_interval();
do {
user_state = wd_user_state(transfer->user);
state = wi_socket_wait_descriptor(sd, 0.1, false, true);
if(state == WI_SOCKET_TIMEOUT) {
if(wi_time_interval() - timeout >= 30.0)
break;
}
} while(state == WI_SOCKET_TIMEOUT && user_state == WD_USER_LOGGED_IN);
if(state == WI_SOCKET_ERROR || wi_time_interval() - timeout >= 30.0) {
wi_log_error(WI_STR("Could not wait for download to %@: %@"),
wd_user_identifier(transfer->user),
(state == WI_SOCKET_ERROR) ? wi_error_string() : WI_STR("Timed out"));
result = false;
break;
}
if(user_state != WD_USER_LOGGED_IN) {
result = false;
break;
}
if(data) {
sendbytes = (transfer->remainingdatasize < (wi_file_offset_t) readbytes)
? transfer->remainingdatasize
: (wi_file_offset_t) readbytes;
} else {
sendbytes = (transfer->remainingrsrcsize < (wi_file_offset_t) readbytes)
? transfer->remainingrsrcsize
: (wi_file_offset_t) readbytes;
}
if(!wi_p7_socket_write_oobdata(p7_socket, 30.0, buffer, sendbytes)) {
wi_log_error(WI_STR("Could not write download to %@: %m"),
wd_user_identifier(transfer->user));
result = false;
break;
}
if(data)
transfer->remainingdatasize -= sendbytes;
else
transfer->remainingrsrcsize -= sendbytes;
interval = wi_time_interval();
transfer->transferred += sendbytes;
transfer->actualtransferred += sendbytes;
speedbytes += sendbytes;
statsbytes += sendbytes;
transfer->speed = speedbytes / (interval - speedinterval);
wd_transfer_limit_speed(transfer,
wd_transfers_total_download_speed,
wd_account_transfer_download_speed_limit(account),
wd_current_downloads,
transfers,
speedbytes,
interval,
speedinterval);
if(interval - speedinterval > 30.0) {
speedbytes = 0;
speedinterval = interval;
}
if(interval - statusinterval > wd_current_downloads) {
wd_transfers_note_statistics(WD_TRANSFER_DOWNLOAD, WD_TRANSFER_STATISTICS_DATA, statsbytes);
statsbytes = 0;
statusinterval = interval;
}
if(interval - accountinterval > 15.0) {
account = wd_user_account(transfer->user);
accountinterval = interval;
wi_dictionary_rdlock(wd_transfers_user_downloads);
transfers = (wi_integer_t) wi_dictionary_data_for_key(wd_transfers_user_downloads, transfer->key);
wi_dictionary_unlock(wd_transfers_user_downloads);
}
if(++i % 1000 == 0)
wi_pool_drain(pool);
}
wd_user_unlock_socket(transfer->user);
wi_release(pool);
wd_transfers_note_statistics(WD_TRANSFER_DOWNLOAD, WD_TRANSFER_STATISTICS_REMOVE, statsbytes);
return result;
}
