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tdlib-fork/td/telegram/files/FileLoadManager.cpp
Arseny Smirnov 9310e29ff4 Check hash of local files with same name, before download
GitOrigin-RevId: ad97f6df43eb022d5c122a950081c5d7700820f5
2018-02-26 13:05:14 +03:00

267 lines
9.1 KiB
C++

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/files/FileLoadManager.h"
#include "td/telegram/Global.h"
#include "td/utils/common.h"
#include "td/utils/filesystem.h"
#include "td/utils/logging.h"
namespace td {
FileLoadManager::FileLoadManager(ActorShared<Callback> callback, ActorShared<> parent)
: callback_(std::move(callback)), parent_(std::move(parent)) {
}
void FileLoadManager::start_up() {
upload_resource_manager_ =
create_actor<ResourceManager>("UploadResourceManager", !G()->parameters().use_file_db /*tdlib_engine*/
? ResourceManager::Mode::Greedy
: ResourceManager::Mode::Baseline);
download_resource_manager_ =
create_actor<ResourceManager>("DownloadResourceManager", ResourceManager::Mode::Baseline);
download_small_resource_manager_ =
create_actor<ResourceManager>("DownloadSmallResourceManager", ResourceManager::Mode::Baseline);
}
void FileLoadManager::download(QueryId id, const FullRemoteFileLocation &remote_location,
const LocalFileLocation &local, int64 size, string name,
const FileEncryptionKey &encryption_key, bool search_file, int8 priority) {
if (stop_flag_) {
return;
}
CHECK(query_id_to_node_id_.find(id) == query_id_to_node_id_.end());
NodeId node_id = nodes_container_.create(Node());
Node *node = nodes_container_.get(node_id);
CHECK(node);
node->query_id_ = id;
auto callback = make_unique<FileDownloaderCallback>(actor_shared(this, node_id));
bool is_small = size < 20 * 1024;
node->loader_ = create_actor<FileDownloader>("Downloader", remote_location, local, size, std::move(name),
encryption_key, is_small, search_file, std::move(callback));
auto &resource_manager = is_small ? download_small_resource_manager_ : download_resource_manager_;
send_closure(resource_manager, &ResourceManager::register_worker,
ActorShared<FileLoaderActor>(node->loader_.get(), static_cast<uint64>(-1)), priority);
query_id_to_node_id_[id] = node_id;
}
void FileLoadManager::upload(QueryId id, const LocalFileLocation &local_location,
const RemoteFileLocation &remote_location, int64 size,
const FileEncryptionKey &encryption_key, int8 priority, vector<int> bad_parts) {
if (stop_flag_) {
return;
}
CHECK(query_id_to_node_id_.find(id) == query_id_to_node_id_.end());
NodeId node_id = nodes_container_.create(Node());
Node *node = nodes_container_.get(node_id);
CHECK(node);
node->query_id_ = id;
auto callback = make_unique<FileUploaderCallback>(actor_shared(this, node_id));
node->loader_ = create_actor<FileUploader>("Uploader", local_location, remote_location, size, encryption_key,
std::move(bad_parts), std::move(callback));
send_closure(upload_resource_manager_, &ResourceManager::register_worker,
ActorShared<FileLoaderActor>(node->loader_.get(), static_cast<uint64>(-1)), priority);
query_id_to_node_id_[id] = node_id;
}
void FileLoadManager::upload_by_hash(QueryId id, const FullLocalFileLocation &local_location, int64 size,
int8 priority) {
if (stop_flag_) {
return;
}
CHECK(query_id_to_node_id_.find(id) == query_id_to_node_id_.end());
NodeId node_id = nodes_container_.create(Node());
Node *node = nodes_container_.get(node_id);
CHECK(node);
node->query_id_ = id;
auto callback = make_unique<FileHashUploaderCallback>(actor_shared(this, node_id));
node->loader_ = create_actor<FileHashUploader>("HashUploader", local_location, size, std::move(callback));
send_closure(upload_resource_manager_, &ResourceManager::register_worker,
ActorShared<FileLoaderActor>(node->loader_.get(), static_cast<uint64>(-1)), priority);
query_id_to_node_id_[id] = node_id;
}
void FileLoadManager::update_priority(QueryId id, int8 priority) {
if (stop_flag_) {
return;
}
auto it = query_id_to_node_id_.find(id);
if (it == query_id_to_node_id_.end()) {
return;
}
auto node = nodes_container_.get(it->second);
if (node == nullptr) {
return;
}
send_closure(node->loader_, &FileLoaderActor::update_priority, priority);
}
void FileLoadManager::from_bytes(QueryId id, FileType type, BufferSlice bytes, string name) {
if (stop_flag_) {
return;
}
CHECK(query_id_to_node_id_.find(id) == query_id_to_node_id_.end());
NodeId node_id = nodes_container_.create(Node());
Node *node = nodes_container_.get(node_id);
CHECK(node);
node->query_id_ = id;
auto callback = make_unique<FileFromBytesCallback>(actor_shared(this, node_id));
node->loader_ =
create_actor<FileFromBytes>("FromBytes", type, std::move(bytes), std::move(name), std::move(callback));
query_id_to_node_id_[id] = node_id;
}
void FileLoadManager::get_content(const FullLocalFileLocation &local_location, Promise<BufferSlice> promise) {
// TODO: send query to other thread
promise.set_result(read_file(local_location.path_));
}
// void upload_reload_parts(QueryId id, vector<int32> parts);
// void upload_restart(QueryId id);
void FileLoadManager::cancel(QueryId id) {
if (stop_flag_) {
return;
}
auto it = query_id_to_node_id_.find(id);
if (it == query_id_to_node_id_.end()) {
return;
}
on_error_impl(it->second, Status::Error(1, "Cancelled"));
}
void FileLoadManager::update_local_file_location(QueryId id, const LocalFileLocation &local) {
if (stop_flag_) {
return;
}
auto it = query_id_to_node_id_.find(id);
if (it == query_id_to_node_id_.end()) {
return;
}
auto node = nodes_container_.get(it->second);
if (node == nullptr) {
return;
}
send_closure(node->loader_, &FileLoaderActor::update_local_file_location, local);
}
void FileLoadManager::close() {
nodes_container_.for_each([](auto id, auto &node) { node.loader_.reset(); });
stop_flag_ = true;
loop();
}
void FileLoadManager::on_start_download() {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
send_closure(callback_, &Callback::on_start_download, node->query_id_);
}
}
void FileLoadManager::on_partial_download(const PartialLocalFileLocation &partial_local, int64 ready_size) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
send_closure(callback_, &Callback::on_partial_download, node->query_id_, partial_local, ready_size);
}
}
void FileLoadManager::on_partial_upload(const PartialRemoteFileLocation &partial_remote, int64 ready_size) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
send_closure(callback_, &Callback::on_partial_upload, node->query_id_, partial_remote, ready_size);
}
}
void FileLoadManager::on_ok_download(const FullLocalFileLocation &local, int64 size) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
send_closure(callback_, &Callback::on_download_ok, node->query_id_, local, size);
}
close_node(node_id);
loop();
}
void FileLoadManager::on_ok_upload(FileType file_type, const PartialRemoteFileLocation &remote, int64 size) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
send_closure(callback_, &Callback::on_upload_ok, node->query_id_, file_type, remote, size);
}
close_node(node_id);
loop();
}
void FileLoadManager::on_ok_upload_full(const FullRemoteFileLocation &remote) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
send_closure(callback_, &Callback::on_upload_full_ok, node->query_id_, remote);
}
close_node(node_id);
loop();
}
void FileLoadManager::on_error(Status status) {
auto node_id = get_link_token();
on_error_impl(node_id, std::move(status));
}
void FileLoadManager::on_error_impl(NodeId node_id, Status status) {
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
status.ignore();
return;
}
if (!stop_flag_) {
send_closure(callback_, &Callback::on_error, node->query_id_, std::move(status));
}
close_node(node_id);
loop();
}
void FileLoadManager::hangup_shared() {
auto node_id = get_link_token();
on_error_impl(node_id, Status::Error(1, "Cancelled"));
}
void FileLoadManager::loop() {
if (stop_flag_) {
if (nodes_container_.empty()) {
stop();
}
return;
}
}
void FileLoadManager::close_node(NodeId node_id) {
auto node = nodes_container_.get(node_id);
CHECK(node);
query_id_to_node_id_.erase(node->query_id_);
nodes_container_.erase(node_id);
}
} // namespace td