1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* log_process.cpp - Logging in isolated child process test
*/
#include <fcntl.h>
#include <iostream>
#include <random>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <vector>
#include <libcamera/logging.h>
#include <libcamera/base/event_dispatcher.h>
#include <libcamera/base/log.h>
#include <libcamera/base/thread.h>
#include <libcamera/base/timer.h>
#include <libcamera/base/utils.h>
#include "libcamera/internal/process.h"
#include "test.h"
using namespace libcamera;
using namespace std;
using namespace std::chrono_literals;
static const string message("hello from the child");
LOG_DEFINE_CATEGORY(LogProcessTest)
class LogProcessTestChild
{
public:
int run(int status, int num)
{
usleep(50000);
string logPath = "/tmp/libcamera.worker.test." +
to_string(num) + ".log";
if (logSetFile(logPath.c_str()) < 0)
return TestSkip;
LOG(LogProcessTest, Warning) << message;
return status;
}
};
class LogProcessTest : public Test
{
protected:
int init()
{
random_device random;
num_ = random();
logPath_ = "/tmp/libcamera.worker.test." +
to_string(num_) + ".log";
proc_.finished.connect(this, &LogProcessTest::procFinished);
return 0;
}
int run()
{
EventDispatcher *dispatcher = Thread::current()->eventDispatcher();
Timer timeout;
int exitCode = 42;
vector<std::string> args;
args.push_back(to_string(exitCode));
args.push_back(to_string(num_));
int ret = proc_.start(self(), args);
if (ret) {
cerr << "failed to start process" << endl;
return TestFail;
}
timeout.start(200ms);
while (timeout.isRunning())
dispatcher->processEvents();
if (exitStatus_ != Process::NormalExit) {
cerr << "process did not exit normally" << endl;
return TestFail;
}
if (exitCode_ == TestSkip)
return TestSkip;
if (exitCode_ != exitCode) {
cerr << "exit code should be " << exitCode
<< ", actual is " << exitCode_ << endl;
return TestFail;
}
int fd = open(logPath_.c_str(), O_RDONLY, S_IRUSR);
if (fd < 0) {
cerr << "failed to open tmp log file" << endl;
return TestFail;
}
char buf[200];
memset(buf, 0, sizeof(buf));
if (read(fd, buf, sizeof(buf)) < 0) {
cerr << "Failed to read tmp log file" << endl;
close(fd);
return TestFail;
}
close(fd);
string str(buf);
if (str.find(message) == string::npos) {
cerr << "Received message is not correct (received "
<< str.length() << " bytes)" << endl;
return TestFail;
}
return TestPass;
}
void cleanup()
{
unlink(logPath_.c_str());
}
private:
void procFinished(enum Process::ExitStatus exitStatus, int exitCode)
{
exitStatus_ = exitStatus;
exitCode_ = exitCode;
}
ProcessManager processManager_;
Process proc_;
Process::ExitStatus exitStatus_ = Process::NotExited;
string logPath_;
int exitCode_;
int num_;
};
/*
* Can't use TEST_REGISTER() as single binary needs to act as both
* parent and child processes.
*/
int main(int argc, char **argv)
{
if (argc == 3) {
int status = std::stoi(argv[1]);
int num = std::stoi(argv[2]);
LogProcessTestChild child;
return child.run(status, num);
}
LogProcessTest test;
test.setArgs(argc, argv);
return test.execute();
}
|
