static void wd_transfer_listen_thread(wi_runtime_instance_t *argument) {
wi_pool_t *pool;
wi_socket_t *socket;
wi_address_t *address;
pool = wi_pool_init(wi_pool_alloc());
while(wd_running) {
wi_pool_drain(pool);
socket = wi_socket_accept_multiple(wd_transfer_sockets, 30.0, &address);
if(!address) {
wi_log_err(WI_STR("Could not accept a connection: %m"));
continue;
}
if(!socket) {
wi_log_err(WI_STR("Could not accept a connection for %@: %m"),
wi_address_string(address));
continue;
}
if(!wi_thread_create_thread(wd_transfer_accept_thread, socket)) {
wi_log_err(WI_STR("Could not create a transfer thread for %@: %m"),
wi_address_string(address));
continue;
}
}
wi_release(pool);
}
void wi_test_runtime_pool(void) {
wi_pool_t *pool, *pool2;
_wi_runtimetest_t *runtimetest, *runtimetest2;
_wi_runtimetest_deallocs = 0;
pool = wi_pool_init(wi_pool_alloc());
runtimetest = wi_retain(wi_autorelease(_wi_runtimetest_init_with_value(_wi_runtimetest_alloc(), 42)));
wi_release(pool);
WI_TEST_ASSERT_EQUALS(wi_retain_count(runtimetest), 1U, "");
wi_release(runtimetest);
pool = wi_pool_init(wi_pool_alloc());
runtimetest = wi_retain(wi_autorelease(_wi_runtimetest_init_with_value(_wi_runtimetest_alloc(), 42)));
wi_pool_drain(pool);
WI_TEST_ASSERT_EQUALS(wi_retain_count(runtimetest), 1U, "");
wi_release(pool);
wi_release(runtimetest);
pool = wi_pool_init(wi_pool_alloc());
runtimetest = wi_retain(wi_autorelease(_wi_runtimetest_init_with_value(_wi_runtimetest_alloc(), 42)));
pool2 = wi_pool_init(wi_pool_alloc());
runtimetest2 = wi_retain(wi_autorelease(_wi_runtimetest_init_with_value(_wi_runtimetest_alloc(), 42)));
wi_release(pool2);
WI_TEST_ASSERT_EQUALS(wi_retain_count(runtimetest2), 1U, "");
wi_release(pool);
WI_TEST_ASSERT_EQUALS(wi_retain_count(runtimetest), 1U, "");
wi_release(runtimetest);
wi_release(runtimetest2);
}
void wt_control_thread(wi_runtime_instance_t *argument) {
wi_pool_t *pool;
wt_client_t *client = argument;
wi_string_t *string;
wi_socket_state_t state;
wi_uinteger_t i = 0;
pool = wi_pool_init(wi_pool_alloc());
wt_client_set(client);
while(client->state <= WT_CLIENT_STATE_SAID_HELLO) {
do {
state = wi_socket_wait(client->socket, 0.1);
} while(state == WI_SOCKET_TIMEOUT && client->state <= WT_CLIENT_STATE_SAID_HELLO);
if(client->state > WT_CLIENT_STATE_SAID_HELLO) {
/* invalid state */
break;
}
if(state == WI_SOCKET_ERROR) {
if(wi_error_code() == EINTR) {
/* got a signal */
continue;
} else {
/* error in TCP communication */
wi_log_err(WI_STR("Could not read from %@: %m"), client->ip);
break;
}
}
string = wi_socket_read_to_string(client->socket, 0.0, WI_STR(WT_MESSAGE_SEPARATOR_STR));
if(!string || wi_string_length(string) == 0) {
if(!string)
wi_log_info(WI_STR("Could not read from %@: %m"), client->ip);
break;
}
wt_parse_command(string);
if(++i % 10 == 0)
wi_pool_drain(pool);
}
wi_log_info(WI_STR("Disconnect from %@ after %.2fs"),
client->ip,
wi_time_interval() - client->connect_time);
wi_release(pool);
}
static void _wi_timer_thread(wi_runtime_instance_t *argument) {
wi_pool_t *pool;
wi_timer_t *timer, *fire_timer;
wi_time_interval_t interval, diff;
wi_boolean_t locked;
pool = wi_pool_init(wi_pool_alloc());
while(true) {
fire_timer = NULL;
locked = true;
interval = wi_time_interval();
timer = _wi_timer_first_timer();
if(!timer) {
locked = wi_condition_lock_lock_when_condition(_wi_timer_lock, 1, 0.0);
timer = _wi_timer_first_timer();
interval = wi_time_interval();
if(timer && timer->fire - interval <= _WI_TIMER_MINIMUM_INTERVAL)
fire_timer = timer;
} else {
diff = timer->fire - interval;
if(diff <= _WI_TIMER_MINIMUM_INTERVAL) {
fire_timer = timer;
locked = false;
} else {
locked = wi_condition_lock_lock_when_condition(_wi_timer_lock, 1, diff);
if(!locked)
fire_timer = _wi_timer_first_timer();
}
}
if(locked)
wi_condition_lock_unlock_with_condition(_wi_timer_lock, 0);
if(fire_timer) {
_wi_timer_invalidate(fire_timer);
wi_timer_fire(fire_timer);
if(timer->repeats)
_wi_timer_schedule(fire_timer);
}
wi_pool_drain(pool);
}
wi_release(pool);
}
static void wd_control_listen_thread(wi_runtime_instance_t *argument) {
wi_pool_t *pool;
wi_socket_t *socket;
wi_address_t *address;
wi_string_t *ip;
wd_user_t *user;
pool = wi_pool_init(wi_pool_alloc());
while(wd_running) {
wi_pool_drain(pool);
/* accept new user */
socket = wi_socket_accept_multiple(wd_control_sockets, wd_control_socket_context, 30.0, &address);
if(!address) {
wi_log_err(WI_STR("Could not accept a connection: %m"));
continue;
}
ip = wi_address_string(address);
if(!socket) {
wi_log_err(WI_STR("Could not accept a connection for %@: %m"), ip);
continue;
}
wi_socket_set_direction(socket, WI_SOCKET_READ);
wi_log_info(WI_STR("Connect from %@"), ip);
/* spawn a user thread */
user = wd_user_with_socket(socket);
if(!wi_thread_create_thread(wd_control_thread, user))
wi_log_err(WI_STR("Could not create a thread for %@: %m"), ip);
}
wi_release(pool);
}
int main(int argc, const char **argv) {
wi_pool_t *pool;
wi_string_t *homepath, *wirepath, *path, *component;
wi_file_t *file;
int ch;
/* init libwired */
wi_initialize();
wi_load(argc, argv);
pool = wi_pool_init(wi_pool_alloc());
wi_log_callback = wr_wi_log_callback;
/* init core systems */
wr_version_init();
wr_start_date = wi_date_init(wi_date_alloc());
/* set defaults */
wr_nick = wi_retain(wi_user_name());
homepath = wi_user_home();
wr_timestamp_format = wi_retain(WI_STR("%H:%M"));
/* parse command line switches */
while((ch = getopt(argc, (char * const *) argv, "DhVv")) != -1) {
switch(ch) {
case 'D':
wr_debug = true;
wi_log_level = WI_LOG_DEBUG;
wi_log_file = true;
wi_log_path = WI_STR("wire.out");
wi_log_callback = NULL;
break;
case 'V':
case 'v':
wr_version();
break;
case '?':
case 'h':
default:
wr_usage();
break;
}
}
argc -= optind;
argv += optind;
/* open log */
wi_log_open();
/* create ~/.wire */
wirepath = wi_string_by_appending_path_component(homepath, WI_STR(WR_WIRE_PATH));
wi_file_create_directory(wirepath, 0700);
/* init subsystems */
wr_signals_init();
wr_terminal_init();
wr_readline_init();
wr_chats_init();
wr_windows_init();
wr_client_init();
wr_runloop_init();
wr_users_init();
wr_ignores_init();
wr_files_init();
wr_transfers_init();
wr_servers_init();
/* open default settings */
path = wi_string_by_appending_path_component(homepath, WI_STR(WR_WIRE_CONFIG_PATH));
file = wi_file_for_reading(path);
if(file)
wr_parse_file(file);
else
wr_printf_prefix(WI_STR("%@: %m"), path);
/* read specified bookmark */
if(*argv) {
component = wi_string_with_cstring(*argv);
path = wi_string_by_appending_path_component(wirepath, component);
file = wi_file_for_reading(path);
if(file)
wr_parse_file(file);
else
wr_printf_prefix(WI_STR("%@: %m"), path);
}
/* clean up pool after startup */
wi_pool_drain(pool);
/* enter event loop */
wr_runloop_run();
/* clean up */
wr_cleanup();
wi_release(pool);
return 0;
}
static void wd_transfer_upload(wd_transfer_t *transfer) {
wi_pool_t *pool;
wi_string_t *path;
wd_account_t *account;
char buffer[WD_TRANSFER_BUFFER_SIZE];
wi_time_interval_t timeout, interval, speedinterval, statusinterval, accountinterval;
wi_socket_state_t state;
ssize_t result, speedbytes, statsbytes;
int sd, bytes;
pool = wi_pool_init(wi_pool_alloc());
/* start upload */
wi_log_info(WI_STR("Receiving \"%@\" from %@"),
transfer->path,
wd_user_identifier(transfer->user));
wi_socket_set_direction(transfer->socket, WI_SOCKET_READ);
// if(!wi_socket_set_blocking(transfer->socket, false))
// wi_log_warn(WI_STR("Could not set non-blocking for %@: %m"), wd_user_ip(transfer->user));
sd = wi_socket_descriptor(transfer->socket);
speedinterval = statusinterval = accountinterval = wi_time_interval();
speedbytes = statsbytes = 0;
account = wd_user_account(transfer->user);
/* update status */
wi_lock_lock(wd_status_lock);
wd_current_uploads++;
wd_total_uploads++;
wd_write_status(true);
wi_lock_unlock(wd_status_lock);
while(wd_transfer_state(transfer) == WD_TRANSFER_RUNNING && transfer->transferred < transfer->size) {
/* wait to read */
timeout = 0.0;
do {
state = wi_socket_wait_descriptor(sd, 0.1, true, false);
if(state == WI_SOCKET_TIMEOUT) {
timeout += 0.1;
if(timeout >= 30.0)
break;
}
} while(state == WI_SOCKET_TIMEOUT && wd_transfer_state(transfer) == WD_TRANSFER_RUNNING);
if(state == WI_SOCKET_ERROR) {
wi_log_err(WI_STR("Could not wait for upload from %@: %m"),
wd_user_ip(transfer->user));
break;
}
if(timeout >= 30.0) {
wi_log_err(WI_STR("Timed out waiting to read upload from %@"),
wd_user_ip(transfer->user));
break;
}
/* read data */
bytes = wi_socket_read_buffer(transfer->socket, 30.0, buffer, sizeof(buffer));
if(bytes <= 0) {
if(bytes < 0) {
wi_log_err(WI_STR("Could not read upload from %@: %m"),
wd_user_ip(transfer->user));
}
break;
}
if((wi_file_offset_t) bytes > transfer->size - transfer->transferred)
bytes = transfer->size - transfer->transferred;
/* write data */
result = write(transfer->fd, buffer, bytes);
if(result <= 0) {
if(result < 0) {
wi_log_err(WI_STR("Could not write upload to %@: %s"),
transfer->realpath, strerror(errno));
}
break;
}
/* update counters */
interval = wi_time_interval();
transfer->transferred += bytes;
speedbytes += bytes;
statsbytes += bytes;
/* update speed */
transfer->speed = speedbytes / (interval - speedinterval);
wd_transfer_limit_upload_speed(transfer, account, speedbytes, interval, speedinterval);
if(interval - speedinterval > 30.0) {
speedbytes = 0;
speedinterval = interval;
}
/* update status */
if(interval - statusinterval > wd_current_uploads) {
wi_lock_lock(wd_status_lock);
wd_uploads_traffic += statsbytes;
wd_write_status(false);
wi_lock_unlock(wd_status_lock);
statsbytes = 0;
statusinterval = interval;
}
/* update account */
if(interval - accountinterval > 15.0) {
account = wd_user_account(transfer->user);
accountinterval = interval;
}
wi_pool_drain(pool);
}
wi_log_info(WI_STR("Received %@/%@ (%llu/%llu bytes) of \"%@\" from %@"),
wd_files_string_for_bytes(transfer->transferred - transfer->offset),
wd_files_string_for_bytes(transfer->size - transfer->offset),
transfer->transferred - transfer->offset,
transfer->size - transfer->offset,
transfer->path,
wd_user_identifier(transfer->user));
/* update status */
wd_transfer_set_state(transfer, WD_TRANSFER_STOPPED);
wi_lock_lock(wd_status_lock);
wd_current_uploads--;
wd_uploads_traffic += statsbytes;
wd_write_status(true);
wi_lock_unlock(wd_status_lock);
if(transfer->transferred == transfer->size) {
path = wi_string_by_deleting_path_extension(transfer->realpath);
if(wi_fs_rename_path(transfer->realpath, path)) {
path = wi_string_by_appending_path_extension(transfer->path, WI_STR(WD_TRANSFERS_PARTIAL_EXTENSION));
wd_files_move_comment(path, transfer->path);
} else {
wi_log_warn(WI_STR("Could not move %@ to %@: %m"),
transfer->realpath, path);
}
}
wi_release(pool);
}
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;
}
static void wd_transfers_queue_thread(wi_runtime_instance_t *argument) {
wi_pool_t *pool;
wi_enumerator_t *enumerator;
wi_mutable_dictionary_t *key_queues;
wi_mutable_array_t *key_queue, *keys;
wi_string_t *key;
wd_transfer_t *transfer;
wd_account_t *account;
wi_uinteger_t user_downloads, user_uploads, user_transfers;
wi_uinteger_t new_position, position, queue, i, count, longest_queue;
pool = wi_pool_init(wi_pool_alloc());
key_queues = wi_dictionary_init(wi_mutable_dictionary_alloc());
while(true) {
wi_mutable_dictionary_remove_all_data(key_queues);
wi_condition_lock_lock_when_condition(wd_transfers_queue_lock, 1, 0.0);
wi_array_rdlock(wd_transfers);
longest_queue = 0;
enumerator = wi_array_data_enumerator(wd_transfers);
while((transfer = wi_enumerator_next_data(enumerator))) {
wi_condition_lock_lock(transfer->queue_lock);
if(transfer->state == WD_TRANSFER_QUEUED && transfer->queue != 0) {
key_queue = wi_dictionary_data_for_key(key_queues, transfer->key);
if(!key_queue) {
key_queue = wi_mutable_array();
wi_mutable_dictionary_set_data_for_key(key_queues, key_queue, transfer->key);
}
wi_mutable_array_add_data(key_queue, transfer);
if(wi_array_count(key_queue) > longest_queue)
longest_queue = wi_array_count(key_queue);
}
wi_condition_lock_unlock(transfer->queue_lock);
}
keys = wi_autorelease(wi_mutable_copy(wi_dictionary_keys_sorted_by_value(key_queues, wd_transfers_queue_compare)));
position = 1;
count = wi_array_count(keys);
while(longest_queue > 0) {
for(i = 0; i < count; i++) {
key = WI_ARRAY(keys, i);
key_queue = wi_dictionary_data_for_key(key_queues, key);
if(wi_array_count(key_queue) > 0) {
transfer = WI_ARRAY(key_queue, 0);
account = wd_user_account(transfer->user);
wi_lock_lock(wd_transfers_status_lock);
if(transfer->type == WD_TRANSFER_DOWNLOAD) {
wi_dictionary_rdlock(wd_transfers_user_downloads);
user_downloads = wd_account_transfer_download_limit(account);
user_transfers = (wi_integer_t) wi_dictionary_data_for_key(wd_transfers_user_downloads, transfer->key);
queue = ((wd_transfers_total_downloads > 0 && wd_transfers_active_downloads >= wd_transfers_total_downloads) ||
(user_downloads > 0 && user_transfers >= user_downloads));
wi_dictionary_unlock(wd_transfers_user_downloads);
} else {
wi_dictionary_rdlock(wd_transfers_user_uploads);
user_uploads = wd_account_transfer_upload_limit(account);
user_transfers = (wi_integer_t) wi_dictionary_data_for_key(wd_transfers_user_uploads, transfer->key);
queue = ((wd_transfers_total_uploads > 0 && wd_transfers_active_uploads >= wd_transfers_total_uploads) ||
(user_uploads > 0 && user_transfers >= user_uploads));
wi_dictionary_unlock(wd_transfers_user_uploads);
}
wi_lock_unlock(wd_transfers_status_lock);
if(queue)
new_position = position++;
else
new_position = 0;
if(new_position != (wi_uinteger_t) transfer->queue) {
if(new_position == 0)
wd_transfers_add_or_remove_transfer(transfer, true);
wi_condition_lock_lock(transfer->queue_lock);
transfer->queue = new_position;
wi_condition_lock_unlock_with_condition(transfer->queue_lock, 1);
}
wi_mutable_array_remove_data_at_index(key_queue, 0);
}
}
longest_queue--;
}
wi_array_unlock(wd_transfers);
wi_condition_lock_unlock_with_condition(wd_transfers_queue_lock, 0);
wi_pool_drain(pool);
}
wi_release(key_queues);
wi_release(pool);
}
int main(int argc, const char **argv) {
wi_mutable_array_t *arguments;
wi_pool_t *pool;
wi_string_t *string, *root_path;
int ch, facility;
wi_boolean_t test_config, daemonize, change_directory, switch_user;
/* init libwired */
wi_initialize();
wi_load(argc, argv);
pool = wi_pool_init(wi_pool_alloc());
wi_log_syslog = true;
wi_log_syslog_facility = LOG_DAEMON;
/* init core systems */
wt_version_init();
wt_status_lock = wi_lock_init(wi_lock_alloc());
wt_start_date = wi_date_init(wi_date_alloc());
/* set defaults */
root_path = WI_STR(WT_ROOT);
wi_settings_config_path = wi_string_init_with_cstring(wi_string_alloc(), WT_CONFIG_PATH);
test_config = false;
daemonize = true;
change_directory = true;
switch_user = true;
/* init reexec argument list */
arguments = wi_array_init(wi_mutable_array_alloc());
/* parse command line switches */
while((ch = getopt(argc, (char * const *) argv, "46Dd:f:hi:L:ls:tuVvXx")) != -1) {
switch(ch) {
case '4':
wt_address_family = WI_ADDRESS_IPV4;
break;
case '6':
wt_address_family = WI_ADDRESS_IPV6;
break;
case 'D':
daemonize = false;
wi_log_stderr = true;
break;
case 'd':
root_path = wi_string_with_cstring(optarg);
break;
case 'f':
wi_release(wi_settings_config_path);
wi_settings_config_path = wi_string_init_with_cstring(wi_string_alloc(), optarg);
break;
case 'i':
wi_log_limit = wi_string_uint32(wi_string_with_cstring(optarg));
break;
case 'L':
wi_log_syslog = false;
wi_log_file = true;
wi_release(wi_log_path);
wi_log_path = wi_string_init_with_cstring(wi_string_alloc(), optarg);
break;
case 'l':
wi_log_level++;
break;
case 's':
string = wi_string_with_cstring(optarg);
facility = wi_log_syslog_facility_with_name(string);
if(facility < 0)
wi_log_fatal(WI_STR("Could not find syslog facility \"%@\": %m"), string);
wi_log_syslog_facility = facility;
break;
case 't':
test_config = true;
break;
case 'u':
break;
case 'V':
case 'v':
wt_version();
break;
case 'X':
daemonize = false;
break;
case 'x':
daemonize = false;
change_directory = false;
switch_user = false;
break;
case '?':
case 'h':
default:
wt_usage();
break;
}
wi_mutable_array_add_data(arguments, wi_string_with_format(WI_STR("-%c"), ch));
if(optarg)
wi_mutable_array_add_data(arguments, wi_string_with_cstring(optarg));
}
/* detach */
if(daemonize) {
wi_mutable_array_add_data(arguments, WI_STR("-X"));
switch(wi_fork()) {
case -1:
wi_log_fatal(WI_STR("Could not fork: %m"));
break;
case 0:
if(!wi_execv(wi_string_with_cstring(argv[0]), arguments))
wi_log_fatal(WI_STR("Could not execute %s: %m"), argv[0]);
break;
default:
_exit(0);
break;
}
}
wi_release(arguments);
/* change directory */
if(change_directory) {
if(!wi_fs_change_directory(root_path))
wi_log_error(WI_STR("Could not change directory to %@: %m"), root_path);
}
/* open log */
wi_log_open();
/* init subsystems */
wt_ssl_init();
wt_clients_init();
wt_servers_init();
/* read the config file */
wt_settings_init();
if(!wt_settings_read_config())
exit(1);
/* apply settings */
wt_settings_apply_settings();
if(test_config) {
printf("Config OK\n");
exit(0);
}
/* dump command line */
wi_log_info(WI_STR("Started as %@ %@"),
wi_process_path(wi_process()),
wi_array_components_joined_by_string(wi_process_arguments(wi_process()), WI_STR(" ")));
/* init tracker */
wi_log_info(WI_STR("Starting Wired Tracker version %@"), wt_version_string);
wt_tracker_init();
/* switch user/group */
if(switch_user)
wi_switch_user(wt_settings.user, wt_settings.group);
/* create tracker threads after privilege drop */
wt_signals_init();
wt_block_signals();
wt_servers_schedule();
wt_tracker_create_threads();
wt_write_pid();
wt_write_status(true);
/* clean up pool after startup */
wi_pool_drain(pool);
/* enter the signal handling thread in the main thread */
wt_signal_thread(NULL);
/* dropped out */
wt_cleanup();
wi_log_close();
wi_release(pool);
return 0;
}
static void wd_transfer_listen_thread(wi_runtime_instance_t *argument) {
wi_pool_t *pool;
wi_socket_t *socket;
wi_address_t *address;
wi_array_t *arguments;
wi_string_t *ip, *string, *command;
wd_transfer_t *transfer;
pool = wi_pool_init(wi_pool_alloc());
while(wd_running) {
wi_pool_drain(pool);
/* accept new connection */
socket = wi_socket_accept_multiple(wd_transfer_sockets, wd_transfer_socket_context, 30.0, &address);
if(!address) {
wi_log_err(WI_STR("Could not accept a connection: %m"));
continue;
}
ip = wi_address_string(address);
if(!socket) {
wi_log_err(WI_STR("Could not accept a connection for %@: %m"), ip);
continue;
}
string = wi_socket_read_to_string(socket, 5.0, WI_STR(WD_MESSAGE_SEPARATOR_STR));
if(!string || wi_string_length(string) == 0) {
if(!string)
wi_log_warn(WI_STR("Could not read from %@: %m"), ip);
continue;
}
/* parse command */
wi_parse_wired_command(string, &command, &arguments);
if(wi_is_equal(command, WI_STR("TRANSFER")) && wi_array_count(arguments) >= 1) {
/* get transfer by identifier */
transfer = wd_transfers_transfer_with_hash(WI_ARRAY(arguments, 0));
if(!transfer)
continue;
if(!wi_is_equal(ip, wd_user_ip(transfer->user)))
continue;
transfer->socket = wi_retain(socket);
/* spawn a transfer thread */
if(!wi_thread_create_thread(wd_transfer_thread, transfer))
wi_log_err(WI_STR("Could not create a thread for %@: %m"), ip);
}
}
wi_release(pool);
}