mirror of
https://github.com/transmission/transmission
synced 2024-12-26 09:37:56 +00:00
561 lines
17 KiB
C++
561 lines
17 KiB
C++
// This file Copyright (C) 2013-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#include <chrono>
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#include <condition_variable>
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#include <cstdlib> // getenv()
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#include <cstring> // strlen()
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#include <iostream>
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#include <memory>
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#include <mutex> // std::once_flag()
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#include <string>
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#include <string_view>
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#include <thread>
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#include <event2/event.h>
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#include <libtransmission/crypto-utils.h> // tr_base64_decode()
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#include <libtransmission/error.h>
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#include <libtransmission/file.h> // tr_sys_file_*()
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#include <libtransmission/platform.h> // TR_PATH_DELIMITER
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#include <libtransmission/quark.h>
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#include <libtransmission/torrent.h>
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#include <libtransmission/utils.h>
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#include <libtransmission/variant.h>
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#include "gtest/gtest.h"
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using namespace std::literals;
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inline std::ostream& operator<<(std::ostream& os, tr_error const& err)
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{
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os << err.message << ' ' << err.code;
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return os;
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}
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namespace libtransmission
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{
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namespace test
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{
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using file_func_t = std::function<void(char const* filename)>;
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static void depthFirstWalk(char const* path, file_func_t func)
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{
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if (auto const info = tr_sys_path_get_info(path); info && info->isFolder())
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{
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if (auto const odir = tr_sys_dir_open(path); odir != TR_BAD_SYS_DIR)
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{
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for (;;)
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{
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char const* const name = tr_sys_dir_read_name(odir);
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if (name == nullptr)
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{
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break;
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}
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if ("."sv != name && ".."sv != name)
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{
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auto const child = fmt::format("{:s}/{:s}"sv, path, name);
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depthFirstWalk(child.c_str(), func);
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}
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}
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tr_sys_dir_close(odir);
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}
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}
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func(path);
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}
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inline bool waitFor(std::function<bool()> const& test, std::chrono::milliseconds msec)
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{
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auto const deadline = std::chrono::steady_clock::now() + msec;
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for (;;)
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{
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if (test())
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{
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return true;
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}
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if (std::chrono::steady_clock::now() > deadline)
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{
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return false;
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}
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tr_wait(10ms);
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}
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}
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inline bool waitFor(std::function<bool()> const& test, int msec)
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{
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return waitFor(test, std::chrono::milliseconds{ msec });
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}
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inline bool waitFor(
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struct event_base* evb,
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std::function<bool()> const& test,
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std::chrono::milliseconds msec = std::chrono::seconds{ 5 })
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{
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auto const deadline = std::chrono::steady_clock::now() + msec;
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for (;;)
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{
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if (test())
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{
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return true;
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}
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if (std::chrono::steady_clock::now() > deadline)
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{
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return false;
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}
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event_base_loop(evb, EVLOOP_ONCE | EVLOOP_NONBLOCK);
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}
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}
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class Sandbox
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{
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public:
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Sandbox()
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: parent_dir_{ get_default_parent_dir() }
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, sandbox_dir_{ create_sandbox(parent_dir_, "transmission-test-XXXXXX") }
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{
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}
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~Sandbox()
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{
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rimraf(sandbox_dir_);
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}
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std::string const& path() const
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{
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return sandbox_dir_;
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}
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protected:
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static std::string get_default_parent_dir()
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{
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if (auto* const path = getenv("TMPDIR"); path != nullptr)
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{
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return path;
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}
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tr_error* error = nullptr;
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auto path = tr_sys_dir_get_current(&error);
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if (error != nullptr)
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{
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tr_error_free(error);
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}
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return path;
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}
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static std::string create_sandbox(std::string const& parent_dir, std::string const& tmpl)
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{
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auto path = fmt::format(FMT_STRING("{:s}/{:s}"sv), tr_sys_path_resolve(parent_dir), tmpl);
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tr_sys_dir_create_temp(std::data(path));
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tr_sys_path_native_separators(std::data(path));
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return path;
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}
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static void rimraf(std::string const& path, bool verbose = false)
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{
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auto remove = [verbose](char const* filename)
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{
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if (verbose)
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{
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std::cerr << "cleanup: removing '" << filename << "'" << std::endl;
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}
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tr_sys_path_remove(filename);
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};
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depthFirstWalk(path.c_str(), remove);
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}
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private:
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std::string const parent_dir_;
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std::string const sandbox_dir_;
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};
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class SandboxedTest : public ::testing::Test
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{
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protected:
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std::string sandboxDir() const
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{
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return sandbox_.path();
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}
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auto currentTestName() const
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{
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auto const* i = ::testing::UnitTest::GetInstance()->current_test_info();
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auto child = std::string(i->test_suite_name());
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child += '_';
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child += i->name();
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return child;
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}
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void buildParentDir(std::string_view path) const
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{
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auto const tmperr = errno;
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auto dir = tr_pathbuf{ path };
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dir.popdir();
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if (auto const info = tr_sys_path_get_info(path); !info)
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{
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tr_error* error = nullptr;
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tr_sys_dir_create(dir, TR_SYS_DIR_CREATE_PARENTS, 0700, &error);
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EXPECT_EQ(nullptr, error) << "path[" << path << "] dir[" << dir << "] " << *error;
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tr_error_clear(&error);
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}
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errno = tmperr;
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}
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static void blockingFileWrite(tr_sys_file_t fd, void const* data, size_t data_len, tr_error** error = nullptr)
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{
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uint64_t n_left = data_len;
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auto const* left = static_cast<uint8_t const*>(data);
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while (n_left > 0)
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{
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uint64_t n = {};
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tr_error* local_error = nullptr;
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if (!tr_sys_file_write(fd, left, n_left, &n, &local_error))
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{
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fprintf(stderr, "Error writing file: '%s'\n", local_error->message);
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tr_error_propagate(error, &local_error);
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tr_error_free(local_error);
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break;
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}
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left += n;
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n_left -= n;
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}
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}
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void createTmpfileWithContents(char* tmpl, void const* payload, size_t n) const
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{
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auto const tmperr = errno;
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buildParentDir(tmpl);
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tr_error* error = nullptr;
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auto const fd = tr_sys_file_open_temp(tmpl, &error);
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blockingFileWrite(fd, payload, n, &error);
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tr_sys_file_flush(fd, &error);
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tr_sys_file_flush(fd, &error);
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tr_sys_file_close(fd, &error);
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if (error != nullptr)
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{
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fmt::print(
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"Couldn't create '{path}': {error} ({error_code})\n",
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fmt::arg("path", tmpl),
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fmt::arg("error", error->message),
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fmt::arg("error_code", error->code));
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tr_error_free(error);
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}
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sync();
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errno = tmperr;
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}
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void createFileWithContents(std::string_view path, void const* payload, size_t n) const
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{
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auto const tmperr = errno;
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buildParentDir(path);
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auto const fd = tr_sys_file_open(
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tr_pathbuf{ path },
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TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE | TR_SYS_FILE_TRUNCATE,
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0600,
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nullptr);
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blockingFileWrite(fd, payload, n);
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tr_sys_file_flush(fd);
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tr_sys_file_flush(fd);
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tr_sys_file_close(fd);
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sync();
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errno = tmperr;
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}
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void createFileWithContents(std::string_view path, std::string_view payload) const
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{
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createFileWithContents(path, std::data(payload), std::size(payload));
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}
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void createFileWithContents(std::string_view path, void const* payload) const
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{
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createFileWithContents(path, payload, strlen(static_cast<char const*>(payload)));
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}
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bool verbose = false;
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void sync() const
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{
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#ifndef _WIN32
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::sync();
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#endif
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}
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private:
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Sandbox sandbox_;
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};
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inline void ensureFormattersInited()
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{
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static constexpr int MEM_K = 1024;
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static char const constexpr* const MEM_K_STR = "KiB";
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static char const constexpr* const MEM_M_STR = "MiB";
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static char const constexpr* const MEM_G_STR = "GiB";
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static char const constexpr* const MEM_T_STR = "TiB";
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static constexpr int DISK_K = 1000;
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static char const constexpr* const DISK_K_STR = "kB";
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static char const constexpr* const DISK_M_STR = "MB";
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static char const constexpr* const DISK_G_STR = "GB";
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static char const constexpr* const DISK_T_STR = "TB";
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static constexpr int SPEED_K = 1000;
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static char const constexpr* const SPEED_K_STR = "kB/s";
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static char const constexpr* const SPEED_M_STR = "MB/s";
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static char const constexpr* const SPEED_G_STR = "GB/s";
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static char const constexpr* const SPEED_T_STR = "TB/s";
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static std::once_flag flag;
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std::call_once(
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flag,
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[]()
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{
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tr_formatter_mem_init(MEM_K, MEM_K_STR, MEM_M_STR, MEM_G_STR, MEM_T_STR);
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tr_formatter_size_init(DISK_K, DISK_K_STR, DISK_M_STR, DISK_G_STR, DISK_T_STR);
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tr_formatter_speed_init(SPEED_K, SPEED_K_STR, SPEED_M_STR, SPEED_G_STR, SPEED_T_STR);
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});
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}
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class SessionTest : public SandboxedTest
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{
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private:
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std::shared_ptr<tr_variant> settings_;
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tr_session* sessionInit(tr_variant* settings)
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{
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ensureFormattersInited();
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// download dir
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auto sv = "Downloads"sv;
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auto q = TR_KEY_download_dir;
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(void)tr_variantDictFindStrView(settings, q, &sv);
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auto const download_dir = tr_pathbuf{ sandboxDir(), '/', sv };
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tr_sys_dir_create(download_dir, TR_SYS_DIR_CREATE_PARENTS, 0700);
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tr_variantDictAddStr(settings, q, download_dir);
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// incomplete dir
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sv = "Incomplete"sv;
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q = TR_KEY_incomplete_dir;
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(void)tr_variantDictFindStrView(settings, q, &sv);
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tr_variantDictAddStr(settings, q, tr_pathbuf{ sandboxDir(), '/', sv });
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// blocklists
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tr_sys_dir_create(tr_pathbuf{ sandboxDir(), "/blocklists" }, TR_SYS_DIR_CREATE_PARENTS, 0700);
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// fill in any missing settings
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q = TR_KEY_port_forwarding_enabled;
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if (tr_variantDictFind(settings, q) == nullptr)
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{
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tr_variantDictAddBool(settings, q, false);
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}
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q = TR_KEY_dht_enabled;
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if (tr_variantDictFind(settings, q) == nullptr)
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{
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tr_variantDictAddBool(settings, q, false);
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}
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q = TR_KEY_message_level;
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if (tr_variantDictFind(settings, q) == nullptr)
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{
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tr_variantDictAddInt(settings, q, verbose ? TR_LOG_DEBUG : TR_LOG_ERROR);
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}
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return tr_sessionInit(sandboxDir().data(), !verbose, settings);
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}
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void sessionClose(tr_session* session)
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{
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tr_sessionClose(session);
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tr_logFreeQueue(tr_logGetQueue());
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}
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protected:
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enum class ZeroTorrentState
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{
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NoFiles,
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Partial,
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Complete
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};
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[[nodiscard]] tr_torrent* createTorrentAndWaitForVerifyDone(tr_ctor* ctor)
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{
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auto verified_lock = std::unique_lock(verified_mutex_);
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auto const n_previously_verified = std::size(verified_);
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auto* const tor = tr_torrentNew(ctor, nullptr);
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auto const stop_waiting = [this, tor, n_previously_verified]()
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{
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return std::size(verified_) > n_previously_verified && verified_.back() == tor;
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};
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EXPECT_NE(nullptr, tor);
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verified_cv_.wait_for(verified_lock, 20s, stop_waiting);
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return tor;
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}
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[[nodiscard]] tr_torrent* zeroTorrentInit(ZeroTorrentState state)
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{
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// 1048576 files-filled-with-zeroes/1048576
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// 4096 files-filled-with-zeroes/4096
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// 512 files-filled-with-zeroes/512
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char const* benc_base64 =
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"ZDg6YW5ub3VuY2UzMTpodHRwOi8vd3d3LmV4YW1wbGUuY29tL2Fubm91bmNlMTA6Y3JlYXRlZCBi"
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"eTI1OlRyYW5zbWlzc2lvbi8yLjYxICgxMzQwNykxMzpjcmVhdGlvbiBkYXRlaTEzNTg3MDQwNzVl"
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"ODplbmNvZGluZzU6VVRGLTg0OmluZm9kNTpmaWxlc2xkNjpsZW5ndGhpMTA0ODU3NmU0OnBhdGhs"
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"NzoxMDQ4NTc2ZWVkNjpsZW5ndGhpNDA5NmU0OnBhdGhsNDo0MDk2ZWVkNjpsZW5ndGhpNTEyZTQ6"
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"cGF0aGwzOjUxMmVlZTQ6bmFtZTI0OmZpbGVzLWZpbGxlZC13aXRoLXplcm9lczEyOnBpZWNlIGxl"
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"bmd0aGkzMjc2OGU2OnBpZWNlczY2MDpRiEMYSbRhMVL9e9umo/8KT9ZCS1GIQxhJtGExUv1726aj"
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"/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZCS1GIQxhJtGExUv17"
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"26aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZCS1GIQxhJtGEx"
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"Uv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZCS1GIQxhJ"
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"tGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZCS1GI"
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"QxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8KT9ZC"
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"S1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9umo/8K"
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"T9ZCS1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9e9um"
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"o/8KT9ZCS1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRhMVL9"
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"e9umo/8KT9ZCS1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMYSbRh"
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"MVL9e9umo/8KT9ZCS1GIQxhJtGExUv1726aj/wpP1kJLUYhDGEm0YTFS/XvbpqP/Ck/WQktRiEMY"
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"SbRhMVL9e9umo/8KT9ZCS1GIQxhJtGExUv1726aj/wpP1kJLOlf5A+Tz30nMBVuNM2hpV3wg/103"
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"OnByaXZhdGVpMGVlZQ==";
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// create the torrent ctor
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auto const benc = tr_base64_decode(benc_base64);
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EXPECT_LT(0U, std::size(benc));
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auto* ctor = tr_ctorNew(session_);
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tr_error* error = nullptr;
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EXPECT_TRUE(tr_ctorSetMetainfo(ctor, std::data(benc), std::size(benc), &error));
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EXPECT_EQ(nullptr, error) << *error;
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tr_ctorSetPaused(ctor, TR_FORCE, true);
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// maybe create the files
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if (state != ZeroTorrentState::NoFiles)
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{
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auto const* const metainfo = tr_ctorGetMetainfo(ctor);
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for (tr_file_index_t i = 0, n = metainfo->fileCount(); i < n; ++i)
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{
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auto const base = state == ZeroTorrentState::Partial && tr_sessionIsIncompleteDirEnabled(session_) ?
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tr_sessionGetIncompleteDir(session_) :
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tr_sessionGetDownloadDir(session_);
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auto const& subpath = metainfo->fileSubpath(i);
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auto const partial = state == ZeroTorrentState::Partial && i == 0;
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auto const suffix = std::string_view{ partial ? ".part" : "" };
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auto const filename = tr_pathbuf{ base, '/', subpath, suffix };
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auto dirname = tr_pathbuf{ filename.sv() };
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dirname.popdir();
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tr_sys_dir_create(dirname, TR_SYS_DIR_CREATE_PARENTS, 0700);
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auto fd = tr_sys_file_open(filename, TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE | TR_SYS_FILE_TRUNCATE, 0600);
|
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auto const file_size = metainfo->fileSize(i);
|
|
for (uint64_t j = 0; j < file_size; ++j)
|
|
{
|
|
auto const ch = partial && j < metainfo->pieceSize() ? '\1' : '\0';
|
|
tr_sys_file_write(fd, &ch, 1, nullptr);
|
|
}
|
|
|
|
tr_sys_file_flush(fd);
|
|
tr_sys_file_close(fd);
|
|
}
|
|
}
|
|
|
|
auto* const tor = createTorrentAndWaitForVerifyDone(ctor);
|
|
tr_ctorFree(ctor);
|
|
return tor;
|
|
}
|
|
|
|
void blockingTorrentVerify(tr_torrent* tor)
|
|
{
|
|
EXPECT_NE(nullptr, tor->session);
|
|
EXPECT_FALSE(tor->session->amInSessionThread());
|
|
|
|
auto verified_lock = std::unique_lock(verified_mutex_);
|
|
|
|
auto const n_previously_verified = std::size(verified_);
|
|
auto const stop_waiting = [this, tor, n_previously_verified]()
|
|
{
|
|
return std::size(verified_) > n_previously_verified && verified_.back() == tor;
|
|
};
|
|
tr_torrentVerify(tor);
|
|
verified_cv_.wait_for(verified_lock, 20s, stop_waiting);
|
|
}
|
|
|
|
tr_session* session_ = nullptr;
|
|
|
|
tr_variant* settings()
|
|
{
|
|
if (!settings_)
|
|
{
|
|
auto* settings = new tr_variant{};
|
|
tr_variantInitDict(settings, 10);
|
|
auto constexpr deleter = [](tr_variant* v)
|
|
{
|
|
tr_variantClear(v);
|
|
delete v;
|
|
};
|
|
settings_.reset(settings, deleter);
|
|
}
|
|
|
|
return settings_.get();
|
|
}
|
|
|
|
virtual void SetUp() override
|
|
{
|
|
SandboxedTest::SetUp();
|
|
|
|
auto callback = [this](tr_torrent* tor, bool /*aborted*/)
|
|
{
|
|
auto verified_lock = std::scoped_lock(verified_mutex_);
|
|
verified_.emplace_back(tor);
|
|
verified_cv_.notify_one();
|
|
};
|
|
|
|
session_ = sessionInit(settings());
|
|
session_->verifier_->addCallback(callback);
|
|
}
|
|
|
|
virtual void TearDown() override
|
|
{
|
|
sessionClose(session_);
|
|
session_ = nullptr;
|
|
settings_.reset();
|
|
|
|
SandboxedTest::TearDown();
|
|
}
|
|
|
|
private:
|
|
std::mutex verified_mutex_;
|
|
std::condition_variable verified_cv_;
|
|
std::vector<tr_torrent*> verified_;
|
|
};
|
|
|
|
} // namespace test
|
|
|
|
} // namespace libtransmission
|