tdlight/td/telegram/files/FileLoadManager.cpp

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// 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/telegram/net/DcId.h"
#include "td/utils/common.h"
#include "td/utils/filesystem.h"
#include "td/utils/format.h"
#include "td/utils/port/path.h"
#include "td/utils/SliceBuilder.h"
namespace td {
FileLoadManager::FileLoadManager(ActorShared<Callback> callback, ActorShared<> parent)
: callback_(std::move(callback)), parent_(std::move(parent)) {
}
void FileLoadManager::start_up() {
constexpr int64 MAX_UPLOAD_RESOURCE_LIMIT = 4 << 20;
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upload_resource_manager_ = create_actor<ResourceManager>(
"UploadResourceManager", MAX_UPLOAD_RESOURCE_LIMIT,
!G()->keep_media_order() ? ResourceManager::Mode::Greedy : ResourceManager::Mode::Baseline);
if (G()->get_option_boolean("is_premium")) {
max_download_resource_limit_ *= 8;
}
}
ActorOwn<ResourceManager> &FileLoadManager::get_download_resource_manager(bool is_small, DcId dc_id) {
auto &actor = is_small ? download_small_resource_manager_map_[dc_id] : download_resource_manager_map_[dc_id];
if (actor.empty()) {
actor = create_actor<ResourceManager>(
PSLICE() << "DownloadResourceManager " << tag("is_small", is_small) << tag("dc_id", dc_id),
max_download_resource_limit_, ResourceManager::Mode::Baseline);
}
return actor;
}
void FileLoadManager::download(QueryId query_id, const FullRemoteFileLocation &remote_location,
const LocalFileLocation &local, int64 size, string name,
const FileEncryptionKey &encryption_key, bool search_file, int64 offset, int64 limit,
int8 priority) {
if (stop_flag_) {
return;
}
NodeId node_id = nodes_container_.create(Node());
Node *node = nodes_container_.get(node_id);
CHECK(node);
node->query_id_ = query_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, offset, limit, std::move(callback));
DcId dc_id = remote_location.is_web() ? G()->get_webfile_dc_id() : remote_location.get_dc_id();
auto &resource_manager = get_download_resource_manager(is_small, dc_id);
send_closure(resource_manager, &ResourceManager::register_worker,
ActorShared<FileLoaderActor>(node->loader_.get(), static_cast<uint64>(-1)), priority);
bool is_inserted = query_id_to_node_id_.emplace(query_id, node_id).second;
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CHECK(is_inserted);
}
void FileLoadManager::upload(QueryId query_id, const LocalFileLocation &local_location,
const RemoteFileLocation &remote_location, int64 expected_size,
const FileEncryptionKey &encryption_key, int8 priority, vector<int> bad_parts) {
if (stop_flag_) {
return;
}
NodeId node_id = nodes_container_.create(Node());
Node *node = nodes_container_.get(node_id);
CHECK(node);
node->query_id_ = query_id;
auto callback = make_unique<FileUploaderCallback>(actor_shared(this, node_id));
node->loader_ = create_actor<FileUploader>("Uploader", local_location, remote_location, expected_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);
bool is_inserted = query_id_to_node_id_.emplace(query_id, node_id).second;
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CHECK(is_inserted);
}
void FileLoadManager::upload_by_hash(QueryId query_id, const FullLocalFileLocation &local_location, int64 size,
int8 priority) {
if (stop_flag_) {
return;
}
NodeId node_id = nodes_container_.create(Node());
Node *node = nodes_container_.get(node_id);
CHECK(node);
node->query_id_ = query_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);
bool is_inserted = query_id_to_node_id_.emplace(query_id, node_id).second;
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CHECK(is_inserted);
}
void FileLoadManager::update_priority(QueryId query_id, int8 priority) {
if (stop_flag_) {
return;
}
auto it = query_id_to_node_id_.find(query_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 query_id, FileType type, BufferSlice bytes, string name) {
if (stop_flag_) {
return;
}
NodeId node_id = nodes_container_.create(Node());
Node *node = nodes_container_.get(node_id);
CHECK(node);
node->query_id_ = query_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));
bool is_inserted = query_id_to_node_id_.emplace(query_id, node_id).second;
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CHECK(is_inserted);
}
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void FileLoadManager::get_content(string file_path, Promise<BufferSlice> promise) {
promise.set_result(read_file(file_path));
}
void FileLoadManager::read_file_part(string file_path, int64 offset, int64 count, Promise<string> promise) {
promise.set_result(read_file_str(file_path, count, offset));
}
void FileLoadManager::unlink_file(string file_path, Promise<Unit> promise) {
unlink(file_path).ignore();
promise.set_value(Unit());
}
void FileLoadManager::check_full_local_location(FullLocalLocationInfo local_info, bool skip_file_size_checks,
Promise<FullLocalLocationInfo> promise) {
promise.set_result(::td::check_full_local_location(std::move(local_info), skip_file_size_checks));
}
void FileLoadManager::check_partial_local_location(PartialLocalFileLocation partial, Promise<Unit> promise) {
auto status = ::td::check_partial_local_location(partial);
if (status.is_error()) {
promise.set_error(std::move(status));
} else {
promise.set_value(Unit());
}
}
void FileLoadManager::cancel(QueryId query_id) {
if (stop_flag_) {
return;
}
auto it = query_id_to_node_id_.find(query_id);
if (it == query_id_to_node_id_.end()) {
return;
}
on_error_impl(it->second, Status::Error(-1, "Canceled"));
}
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void FileLoadManager::update_local_file_location(QueryId query_id, const LocalFileLocation &local) {
if (stop_flag_) {
return;
}
auto it = query_id_to_node_id_.find(query_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::update_downloaded_part(QueryId query_id, int64 offset, int64 limit) {
if (stop_flag_) {
return;
}
auto it = query_id_to_node_id_.find(query_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_downloaded_part, offset, limit, max_download_resource_limit_);
}
void FileLoadManager::hangup() {
nodes_container_.for_each([](auto query_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_);
}
}
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void FileLoadManager::on_partial_download(PartialLocalFileLocation partial_local, int64 ready_size, int64 size) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
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send_closure(callback_, &Callback::on_partial_download, node->query_id_, std::move(partial_local), ready_size,
size);
}
}
void FileLoadManager::on_hash(string hash) {
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_hash, node->query_id_, std::move(hash));
}
}
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void FileLoadManager::on_partial_upload(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_) {
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send_closure(callback_, &Callback::on_partial_upload, node->query_id_, std::move(partial_remote), ready_size);
}
}
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void FileLoadManager::on_ok_download(FullLocalFileLocation local, int64 size, bool is_new) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
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send_closure(callback_, &Callback::on_download_ok, node->query_id_, std::move(local), size, is_new);
}
close_node(node_id);
loop();
}
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void FileLoadManager::on_ok_upload(FileType file_type, PartialRemoteFileLocation remote, int64 size) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
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send_closure(callback_, &Callback::on_upload_ok, node->query_id_, file_type, std::move(remote), size);
}
close_node(node_id);
loop();
}
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void FileLoadManager::on_ok_upload_full(FullRemoteFileLocation remote) {
auto node_id = get_link_token();
auto node = nodes_container_.get(node_id);
if (node == nullptr) {
return;
}
if (!stop_flag_) {
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send_closure(callback_, &Callback::on_upload_full_ok, node->query_id_, std::move(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, "Canceled"));
}
void FileLoadManager::loop() {
if (stop_flag_ && nodes_container_.empty()) {
stop();
}
}
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