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Move as_key to FileDb.

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GitOrigin-RevId: 4ecd7b79bdf0bc504dc5a3ddd39f971f47d0d1bb
This commit is contained in:
levlam 2019-01-20 00:12:55 +03:00
parent cdefe9b1ee
commit 13c00abf17
3 changed files with 20 additions and 18 deletions
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2
td/telegram/files/FileDb.cpp
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@ -306,7 +306,7 @@ Status fix_file_remote_location_key_bug(SqliteDb &db) {
auto remote_str = PSTRING() << key.substr(4, 4) << Slice("\0\0\0\0") << key.substr(8);
FullRemoteFileLocation remote;
if (unserialize(remote, remote_str).is_ok()) {
kv.set(as_key(remote), value);
kv.set(FileDbInterface::as_key(remote), value);
}
LOG(DEBUG) << "ERASE " << format::as_hex_dump<4>(Slice(key));
kv.erase(key);

20
td/telegram/files/FileDb.h
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@ -11,8 +11,10 @@
#include "td/actor/PromiseFuture.h"
#include "td/utils/buffer.h"
#include "td/utils/logging.h"
#include "td/utils/Status.h"
#include "td/utils/tl_storers.h"
#include <memory>
@ -41,9 +43,25 @@ class FileDbInterface {
// thread safe
virtual void close(Promise<> promise) = 0;
template <class LocationT>
static string as_key(const LocationT &object) {
TlStorerCalcLength calc_length;
calc_length.store_int(0);
object.as_key().store(calc_length);
BufferSlice key_buffer{calc_length.get_length()};
auto key = key_buffer.as_slice();
TlStorerUnsafe storer(key.ubegin());
storer.store_int(LocationT::KEY_MAGIC);
object.as_key().store(storer);
CHECK(storer.get_buf() == key.uend());
return key.str();
}
template <class LocationT>
void get_file_data(const LocationT &location, Promise<FileData> promise) {
get_file_data(as_key(location), std::move(promise));
get_file_data_impl(as_key(location), std::move(promise));
}
template <class LocationT>

16
td/telegram/files/FileLocation.h
View File

@ -22,7 +22,6 @@
#include "td/utils/Slice.h"
#include "td/utils/StringBuilder.h"
#include "td/utils/tl_helpers.h"
#include "td/utils/tl_storers.h"
#include "td/utils/Variant.h"
#include <tuple>
@ -1306,19 +1305,4 @@ inline StringBuilder &operator<<(StringBuilder &sb, const FileData &file_data) {
return sb << "]";
}
template <class T>
string as_key(const T &object) {
TlStorerCalcLength calc_length;
calc_length.store_int(0);
object.as_key().store(calc_length);
BufferSlice key_buffer{calc_length.get_length()};
auto key = key_buffer.as_slice();
TlStorerUnsafe storer(key.ubegin());
storer.store_int(T::KEY_MAGIC);
object.as_key().store(storer);
CHECK(storer.get_buf() == key.uend());
return key.str();
}
} // namespace td