Error FileAccessNetwork::_open(const String& p_path, int p_mode_flags) {
ERR_FAIL_COND_V(p_mode_flags!=READ,ERR_UNAVAILABLE);
if (opened)
close();
FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
DEBUG_PRINT("open: "+p_path);
DEBUG_TIME("open_begin");
nc->lock_mutex();
nc->put_32(id);
nc->accesses[id]=this;
nc->put_32(COMMAND_OPEN_FILE);
CharString cs =p_path.utf8();
nc->put_32(cs.length());
nc->client->put_data((const uint8_t*)cs.ptr(),cs.length());
pos=0;
eof_flag=false;
last_page=-1;
last_page_buff=NULL;
// buffers.clear();
nc->unlock_mutex();
DEBUG_PRINT("OPEN POST");
DEBUG_TIME("open_post");
nc->sem->post(); //awaiting answer
DEBUG_PRINT("WAIT...");
sem->wait();
DEBUG_TIME("open_end");
DEBUG_PRINT("WAIT ENDED...");
return response;
}
FileAccessNetwork::~FileAccessNetwork() {
close();
memdelete(sem);
memdelete(page_sem);
memdelete(buffer_mutex);
FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
nc->lock_mutex();
id = nc->last_id++;
nc->accesses.erase(id);
nc->unlock_mutex();
}
void FileAccessNetwork::close() {
if (!opened)
return;
FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
DEBUG_PRINT("CLOSE");
nc->lock_mutex();
nc->put_32(id);
nc->put_32(COMMAND_CLOSE);
pages.clear();
opened = false;
nc->unlock_mutex();
}
uint64_t FileAccessNetwork::_get_modified_time(const String &p_file) {
FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
nc->lock_mutex();
nc->put_32(id);
nc->put_32(COMMAND_GET_MODTIME);
CharString cs = p_file.utf8();
nc->put_32(cs.length());
nc->client->put_data((const uint8_t *)cs.ptr(), cs.length());
nc->unlock_mutex();
DEBUG_PRINT("MODTIME POST");
nc->sem->post();
sem->wait();
return exists_modtime;
}
bool FileAccessNetwork::file_exists(const String &p_path) {
FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
nc->lock_mutex();
nc->put_32(id);
nc->put_32(COMMAND_FILE_EXISTS);
CharString cs = p_path.utf8();
nc->put_32(cs.length());
nc->client->put_data((const uint8_t *)cs.ptr(), cs.length());
nc->unlock_mutex();
DEBUG_PRINT("FILE EXISTS POST");
nc->sem->post();
sem->wait();
return exists_modtime != 0;
}
FileAccessNetwork::FileAccessNetwork() {
eof_flag = false;
opened = false;
pos = 0;
sem = Semaphore::create();
page_sem = Semaphore::create();
buffer_mutex = Mutex::create();
FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
nc->lock_mutex();
id = nc->last_id++;
nc->accesses[id] = this;
nc->unlock_mutex();
page_size = GLOBAL_GET("network/remote_fs/page_size");
read_ahead = GLOBAL_GET("network/remote_fs/page_read_ahead");
last_activity_val = 0;
waiting_on_page = -1;
last_page = -1;
}