100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/MessageId.h"
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#include "td/utils/logging.h"
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#include "td/utils/misc.h"
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namespace td {
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MessageId MessageId::get_scheduled_message_id(int32 server_message_id, int32 send_date) {
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if (send_date <= (1 << 30)) {
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LOG(ERROR) << "Scheduled message send date " << send_date << " is in the past";
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return MessageId();
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}
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if (server_message_id <= 0) {
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LOG(ERROR) << "Scheduled message ID " << server_message_id << " is non-positive";
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return MessageId();
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}
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if (server_message_id >= (1 << 18)) {
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LOG(ERROR) << "Scheduled message ID " << server_message_id << " is too big";
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return MessageId();
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}
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return MessageId((static_cast<int64>(send_date - (1 << 30)) << 21) | (server_message_id << 3) | SCHEDULED_MASK);
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}
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bool MessageId::is_valid() const {
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if (id <= 0 || id > max().get()) {
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return false;
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}
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if ((id & FULL_TYPE_MASK) == 0) {
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return true;
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}
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int32 type = (id & TYPE_MASK);
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return type == TYPE_YET_UNSENT || type == TYPE_LOCAL;
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}
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bool MessageId::is_valid_scheduled() const {
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if (id <= 0 || id > max().get()) {
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return false;
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}
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int32 type = (id & TYPE_MASK);
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return type == SCHEDULED_MASK || type == (SCHEDULED_MASK | TYPE_YET_UNSENT) || type == (SCHEDULED_MASK | TYPE_LOCAL);
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}
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MessageType MessageId::get_type() const {
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if (id <= 0 || id > max().get()) {
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return MessageType::None;
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}
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if ((id & FULL_TYPE_MASK) == 0) {
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return MessageType::Server;
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}
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switch (id & TYPE_MASK) {
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case TYPE_YET_UNSENT:
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return MessageType::YetUnsent;
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case TYPE_LOCAL:
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return MessageType::Local;
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default:
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return MessageType::None;
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}
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}
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MessageId MessageId::get_next_message_id(MessageType type) const {
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switch (type) {
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case MessageType::Server:
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return get_next_server_message_id();
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case MessageType::Local:
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return MessageId(((id + TYPE_MASK + 1 - TYPE_LOCAL) & ~TYPE_MASK) + TYPE_LOCAL);
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case MessageType::YetUnsent:
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return MessageId(((id + TYPE_MASK + 1 - TYPE_YET_UNSENT) & ~TYPE_MASK) + TYPE_YET_UNSENT);
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case MessageType::None:
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default:
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UNREACHABLE();
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return MessageId();
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}
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}
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StringBuilder &operator<<(StringBuilder &string_builder, MessageId message_id) {
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if (!message_id.is_valid()) {
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return string_builder << "invalid message " << message_id.get();
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}
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if (message_id.is_server()) {
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return string_builder << "server message " << (message_id.get() >> MessageId::SERVER_ID_SHIFT);
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}
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if (message_id.is_local()) {
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return string_builder << "local message " << (message_id.get() >> MessageId::SERVER_ID_SHIFT) << '.'
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<< (message_id.get() & MessageId::FULL_TYPE_MASK);
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}
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if (message_id.is_yet_unsent()) {
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return string_builder << "yet unsent message " << (message_id.get() >> MessageId::SERVER_ID_SHIFT) << '.'
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<< (message_id.get() & MessageId::FULL_TYPE_MASK);
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}
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return string_builder << "bugged message " << message_id.get();
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}
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} // namespace td
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