tdlight/td/telegram/GroupCallManager.cpp

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2020-11-26 11:47:20 +01:00
//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// 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/GroupCallManager.h"
#include "td/telegram/ContactsManager.h"
#include "td/telegram/Global.h"
#include "td/telegram/Td.h"
#include "td/telegram/UpdatesManager.h"
#include "td/utils/Random.h"
namespace td {
class CreateGroupCallQuery : public Td::ResultHandler {
Promise<InputGroupCallId> promise_;
ChannelId channel_id_;
public:
explicit CreateGroupCallQuery(Promise<InputGroupCallId> &&promise) : promise_(std::move(promise)) {
}
void send(ChannelId channel_id) {
channel_id_ = channel_id;
auto input_channel = td->contacts_manager_->get_input_channel(channel_id);
CHECK(input_channel != nullptr);
send_query(G()->net_query_creator().create(
telegram_api::phone_createGroupCall(std::move(input_channel), Random::secure_int32())));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::phone_createGroupCall>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for CreateGroupCallQuery: " << to_string(ptr);
auto group_call_ids = td->updates_manager_->get_update_new_group_call_ids(ptr.get());
if (group_call_ids.size() != 1) {
LOG(ERROR) << "Receive wrong CreateGroupCallQuery response " << to_string(ptr);
return on_error(id, Status::Error(500, "Receive wrong response"));
}
td->updates_manager_->on_get_updates(std::move(ptr));
// TODO set promise after updates are processed
promise_.set_value(std::move(group_call_ids[0]));
}
void on_error(uint64 id, Status status) override {
td->contacts_manager_->on_get_channel_error(channel_id_, status, "CreateGroupCallQuery");
promise_.set_error(std::move(status));
}
};
class LeaveGroupCallQuery : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit LeaveGroupCallQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(InputGroupCallId group_call_id, int32 source) {
send_query(G()->net_query_creator().create(
telegram_api::phone_leaveGroupCall(group_call_id.get_input_group_call(), source)));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::phone_leaveGroupCall>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for LeaveGroupCallQuery: " << to_string(ptr);
td->updates_manager_->on_get_updates(std::move(ptr));
// TODO set promise after updates are processed
promise_.set_value(Unit());
}
void on_error(uint64 id, Status status) override {
promise_.set_error(std::move(status));
}
};
class DiscardGroupCallQuery : public Td::ResultHandler {
Promise<Unit> promise_;
public:
explicit DiscardGroupCallQuery(Promise<Unit> &&promise) : promise_(std::move(promise)) {
}
void send(InputGroupCallId group_call_id) {
send_query(
G()->net_query_creator().create(telegram_api::phone_discardGroupCall(group_call_id.get_input_group_call())));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::phone_discardGroupCall>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
auto ptr = result_ptr.move_as_ok();
LOG(INFO) << "Receive result for DiscardGroupCallQuery: " << to_string(ptr);
td->updates_manager_->on_get_updates(std::move(ptr));
// TODO set promise after updates are processed
promise_.set_value(Unit());
}
void on_error(uint64 id, Status status) override {
promise_.set_error(std::move(status));
}
};
struct GroupCallManager::GroupCall {
bool is_active = false;
int32 member_count = 0;
int32 version = -1;
int32 duration = 0;
};
GroupCallManager::GroupCallManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
}
void GroupCallManager::tear_down() {
parent_.reset();
}
void GroupCallManager::create_group_call(ChannelId channel_id, Promise<InputGroupCallId> &&promise) {
td_->create_handler<CreateGroupCallQuery>(std::move(promise))->send(channel_id);
}
void GroupCallManager::leave_group_call(InputGroupCallId group_call_id, int32 source, Promise<Unit> &&promise) {
td_->create_handler<LeaveGroupCallQuery>(std::move(promise))->send(group_call_id, source);
}
void GroupCallManager::discard_group_call(InputGroupCallId group_call_id, Promise<Unit> &&promise) {
td_->create_handler<DiscardGroupCallQuery>(std::move(promise))->send(group_call_id);
}
void GroupCallManager::on_update_group_call(tl_object_ptr<telegram_api::GroupCall> group_call_ptr) {
auto call_id = update_group_call(group_call_ptr);
if (call_id.is_valid()) {
LOG(INFO) << "Update " << call_id;
} else {
LOG(ERROR) << "Receive invalid " << to_string(group_call_ptr);
}
}
InputGroupCallId GroupCallManager::update_group_call(const tl_object_ptr<telegram_api::GroupCall> &group_call_ptr) {
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if (group_call_ptr == nullptr) {
return {};
}
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InputGroupCallId call_id;
GroupCall call;
switch (group_call_ptr->get_id()) {
case telegram_api::groupCall::ID: {
auto group_call = static_cast<const telegram_api::groupCall *>(group_call_ptr.get());
call_id = InputGroupCallId(group_call->id_, group_call->access_hash_);
call.is_active = true;
call.member_count = group_call->participants_count_;
call.version = group_call->version_;
break;
}
case telegram_api::groupCallDiscarded::ID: {
auto group_call = static_cast<const telegram_api::groupCallDiscarded *>(group_call_ptr.get());
call_id = InputGroupCallId(group_call->id_, group_call->access_hash_);
call.duration = group_call->duration_;
break;
}
default:
UNREACHABLE();
}
if (!call_id.is_valid() || call.member_count < 0) {
return {};
}
auto &group_call = group_calls_[call_id];
bool need_update = false;
if (group_call == nullptr) {
group_call = make_unique<GroupCall>();
*group_call = std::move(call);
need_update = true;
} else {
if (!group_call->is_active) {
// never update ended calls
} else if (!call.is_active) {
// always update to an ended call
*group_call = std::move(call);
need_update = true;
} else {
if (call.version > group_call->version) {
need_update = call.member_count != group_call->member_count;
*group_call = std::move(call);
}
}
}
if (need_update) {
send_closure(G()->td(), &Td::send_update, get_update_group_call_object(call_id, group_call.get()));
}
return call_id;
}
tl_object_ptr<td_api::groupCall> GroupCallManager::get_group_call_object(InputGroupCallId group_call_id,
const GroupCall *group_call) {
CHECK(group_call != nullptr);
return td_api::make_object<td_api::groupCall>(group_call_id.get_group_call_id(), group_call->is_active,
group_call->member_count, group_call->duration);
}
tl_object_ptr<td_api::updateGroupCall> GroupCallManager::get_update_group_call_object(InputGroupCallId group_call_id,
const GroupCall *group_call) {
return td_api::make_object<td_api::updateGroupCall>(get_group_call_object(group_call_id, group_call));
}
} // namespace td