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1 /*
2  * Copyright 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef __VTS_SHELL_DRIVER_H_
18 #define __VTS_SHELL_DRIVER_H_
19 
20 #include <iostream>
21 #include <string>
22 
23 #include <VtsDriverCommUtil.h>
24 #include "test/vts/proto/VtsDriverControlMessage.pb.h"
25 
26 using namespace std;
27 
28 namespace android {
29 namespace vts {
30 
31 struct CommandResult {
32   string stdout;
33   string stderr;
34   int exit_code;
35 };
36 
37 class VtsShellDriver {
38  public:
VtsShellDriver()39   VtsShellDriver() { socket_address_.clear(); }
40 
VtsShellDriver(const char * socket_address)41   explicit VtsShellDriver(const char* socket_address)
42       : socket_address_(socket_address) {}
43 
~VtsShellDriver()44   ~VtsShellDriver() {
45     cout << __func__ << endl;
46     if (!this->socket_address_.empty()) {
47       Close();
48     }
49   }
50 
51   // closes the sockets.
52   int Close();
53 
54   // start shell driver server on unix socket
55   int StartListen();
56 
57  private:
58   // socket address
59   string socket_address_;
60 
61   /*
62    * execute a given shell command and return the output file descriptor
63    * Please remember to call close_output after usage.
64    */
65   int ExecShellCommand(const string& command,
66                        VtsDriverControlResponseMessage* respond_message);
67 
68   /*
69    * Handles a socket connection. Will execute a received shell command
70    * and send back the output text.
71    */
72   int HandleShellCommandConnection(int connection_fd);
73 
74   /*
75    * Execute a shell command using popen and return a CommandResult object.
76    */
77   CommandResult* ExecShellCommandPopen(const string& command);
78 
79   /*
80    * Execute a shell command using nohup and return a CommandResult object.
81    */
82   CommandResult* ExecShellCommandNohup(const string& command);
83 };
84 
85 }  // namespace vts
86 }  // namespace android
87 
88 #endif  // __VTS_SHELL_DRIVER_H_
89