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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _ADB_UTILS_H_
#define _ADB_UTILS_H_
#include <condition_variable>
#include <mutex>
#include <string>
#include <vector>
#include <android-base/macros.h>
int syntax_error(const char*, ...);
void close_stdin();
bool getcwd(std::string* cwd);
bool directory_exists(const std::string& path);
// Return the user's home directory.
std::string adb_get_homedir_path();
// Return the adb user directory.
std::string adb_get_android_dir_path();
bool mkdirs(const std::string& path);
std::string escape_arg(const std::string& s);
std::string dump_hex(const void* ptr, size_t byte_count);
std::string perror_str(const char* msg);
bool set_file_block_mode(int fd, bool block);
extern int adb_close(int fd);
// Given forward/reverse targets, returns true if they look sane. If an error is found, fills
// |error| and returns false.
// Currently this only checks "tcp:" targets. Additional checking could be added for other targets
// if needed.
bool forward_targets_are_valid(const std::string& source, const std::string& dest,
std::string* error);
// A thread-safe blocking queue.
template <typename T>
class BlockingQueue {
std::mutex mutex;
std::condition_variable cv;
std::vector<T> queue;
public:
void Push(const T& t) {
{
std::unique_lock<std::mutex> lock(mutex);
queue.push_back(t);
}
cv.notify_one();
}
template <typename Fn>
void PopAll(Fn fn) {
std::vector<T> popped;
{
std::unique_lock<std::mutex> lock(mutex);
cv.wait(lock, [this]() { return !queue.empty(); });
popped = std::move(queue);
queue.clear();
}
for (const T& t : popped) {
fn(t);
}
}
};
#endif
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