31f0f1bcee
`adb shell logcat` works, and `adb logcat` should too. Bug: http://b/110202648 Test: suspended the logd process and manually removed the socket Change-Id: If14de7c2eb178c7b4210d6bdb44df084615db33a
98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef COMMANDLINE_H
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#define COMMANDLINE_H
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#include "adb.h"
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// Callback used to handle the standard streams (stdout and stderr) sent by the
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// device's upon receiving a command.
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//
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class StandardStreamsCallbackInterface {
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public:
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StandardStreamsCallbackInterface() {
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}
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// Handles the stdout output from devices supporting the Shell protocol.
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virtual void OnStdout(const char* buffer, int length) = 0;
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// Handles the stderr output from devices supporting the Shell protocol.
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virtual void OnStderr(const char* buffer, int length) = 0;
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// Indicates the communication is finished and returns the appropriate error
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// code.
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//
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// |status| has the status code returning by the underlying communication
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// channels
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virtual int Done(int status) = 0;
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protected:
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static void OnStream(std::string* string, FILE* stream, const char* buffer, int length) {
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if (string != nullptr) {
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string->append(buffer, length);
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} else {
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fwrite(buffer, 1, length, stream);
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fflush(stream);
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}
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}
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private:
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DISALLOW_COPY_AND_ASSIGN(StandardStreamsCallbackInterface);
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};
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// Default implementation that redirects the streams to the equilavent host
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// stream or to a string
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// passed to the constructor.
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class DefaultStandardStreamsCallback : public StandardStreamsCallbackInterface {
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public:
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// If |stdout_str| is non-null, OnStdout will append to it.
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// If |stderr_str| is non-null, OnStderr will append to it.
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DefaultStandardStreamsCallback(std::string* stdout_str, std::string* stderr_str)
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: stdout_str_(stdout_str), stderr_str_(stderr_str) {
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}
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void OnStdout(const char* buffer, int length) {
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OnStream(stdout_str_, stdout, buffer, length);
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}
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void OnStderr(const char* buffer, int length) {
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OnStream(stderr_str_, stderr, buffer, length);
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}
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int Done(int status) {
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return status;
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}
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private:
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std::string* stdout_str_;
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std::string* stderr_str_;
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DISALLOW_COPY_AND_ASSIGN(DefaultStandardStreamsCallback);
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};
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// Singleton.
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extern DefaultStandardStreamsCallback DEFAULT_STANDARD_STREAMS_CALLBACK;
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int adb_commandline(int argc, const char** argv);
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// Connects to the device "shell" service with |command| and prints the
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// resulting output.
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// if |callback| is non-null, stdout/stderr output will be handled by it.
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int send_shell_command(
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const std::string& command, bool disable_shell_protocol = false,
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StandardStreamsCallbackInterface* callback = &DEFAULT_STANDARD_STREAMS_CALLBACK);
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#endif // COMMANDLINE_H
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