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48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
#include "IDisk.h"
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#include <IO/copyData.h>
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#include <IO/ReadBufferFromFileBase.h>
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#include <IO/WriteBufferFromFileBase.h>
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#include <Poco/Logger.h>
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#include <common/logger_useful.h>
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namespace DB
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{
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bool IDisk::isDirectoryEmpty(const String & path)
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{
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return !iterateDirectory(path)->isValid();
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}
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void copyFile(IDisk & from_disk, const String & from_path, IDisk & to_disk, const String & to_path)
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{
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LOG_DEBUG(
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&Poco::Logger::get("IDisk"),
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"Copying from " << from_disk.getName() << " " << from_path << " to " << to_disk.getName() << " " << to_path);
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auto in = from_disk.readFile(from_path);
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auto out = to_disk.writeFile(to_path);
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copyData(*in, *out);
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}
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void IDisk::copy(const String & from_path, const std::shared_ptr<IDisk> & to_disk, const String & to_path)
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{
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if (isFile(from_path))
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{
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DB::copyFile(*this, from_path, *to_disk, to_path + fileName(from_path));
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}
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else
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{
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Poco::Path path(from_path);
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const String & dir_name = path.directory(path.depth() - 1);
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const String dest = to_path + dir_name + "/";
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to_disk->createDirectories(dest);
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for (auto it = iterateDirectory(from_path); it->isValid(); it->next())
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{
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copy(it->path(), to_disk, dest);
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}
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}
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}
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}
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