tdlight/td/telegram/net/MtprotoHeader.cpp

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//
// 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/net/MtprotoHeader.h"
#include "td/utils/tl_helpers.h"
namespace td {
namespace {
class HeaderStorer {
public:
HeaderStorer(const MtprotoHeader::Options &options, bool is_anonymous)
: options(options), is_anonymous(is_anonymous) {
}
template <class StorerT>
void store(StorerT &storer) const {
constexpr int32 LAYER = 79;
using td::store;
// invokeWithLayer#da9b0d0d {X:Type} layer:int query:!X = X;
store(static_cast<int32>(0xda9b0d0d), storer);
store(LAYER, storer);
// initConnection#785188b8 {X:Type} flags:# api_id:int device_model:string system_version:string app_version:string
// system_lang_code:string lang_pack:string lang_code:string proxy:flags.0?InputClientProxy query:!X = X;
store(static_cast<int32>(0x785188b8), storer);
int32 flags = 0;
if (!is_anonymous && options.proxy.type() == Proxy::Type::Mtproto) {
flags |= 1 << 0;
}
store(flags, storer);
store(options.api_id, storer);
if (is_anonymous) {
store(Slice("n/a"), storer);
store(Slice("n/a"), storer);
} else {
store(options.device_model, storer);
store(options.system_version, storer);
}
store(options.application_version, storer);
store(options.system_language_code, storer);
store(string(), storer);
store(string(), storer);
if ((flags & 1) != 0) {
// inputClientProxy#75588b3f address:string port:int = InputClientProxy;
store(static_cast<int32>(0x75588b3f), storer);
store(Slice(options.proxy.server()), storer);
store(options.proxy.port(), storer);
}
}
private:
const MtprotoHeader::Options &options;
bool is_anonymous;
};
} // namespace
string MtprotoHeader::gen_header(const MtprotoHeader::Options &options, bool is_anonymous) {
HeaderStorer storer(options, is_anonymous);
return serialize(storer);
}
} // namespace td