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Userland: Remove some little temporary test programs

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These were never meant to stick around.
This commit is contained in:
Andreas Kling 2020-04-19 19:20:48 +02:00
parent 0e5191de49
commit 98b990f20b
Notes: sideshowbarker 2024-07-19 07:27:28 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/98b990f20b9
4 changed files with 0 additions and 275 deletions
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52
Userland/al.cpp
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/StdLibExtras.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
static volatile bool got_alarm = false;
int main(int argc, char** argv)
{
UNUSED_PARAM(argc);
UNUSED_PARAM(argv);
unsigned ret = alarm(5);
printf("alarm() with no alarm set: %u\n", ret);
ret = alarm(2);
printf("alarm() with an alarm(5) set: %u\n", ret);
signal(SIGALRM, [](int) {
got_alarm = true;
});
printf("Entering infinite loop.\n");
while (!got_alarm) {
}
printf("Oh, we got the alarm. Exiting :)\n");
return 0;
}

55
Userland/mon.cpp
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/LogStream.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int main(int argc, char** argv)
{
const char* path = argc > 1 ? argv[1] : ".";
int watch_fd = watch_file(path, strlen(path));
if (watch_fd < 0) {
perror("Unable to watch");
return 1;
}
for (;;) {
char buffer[256];
int rc = read(watch_fd, buffer, sizeof(buffer));
if (rc < 0) {
perror("read");
return 1;
}
if (rc == 0) {
printf("End-of-file.\n");
return 0;
}
printf("Something changed about '%s'\n", path);
}
return 0;
}

70
Userland/munch.cpp
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/Types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <unistd.h>
int main(int argc, char** argv)
{
size_t limit = 0;
size_t bite_size = 0;
int interval = 0;
if (argc == 1) {
limit = 42 * MB;
bite_size = 1 * MB;
interval = 200000;
} else if (argc == 4) {
bite_size = atoi(argv[1]);
limit = atoi(argv[2]);
interval = atoi(argv[3]);
} else {
printf("usage: munch [bite_size limit interval]\n");
return 1;
}
size_t munched = 0;
printf("Munching %zu bytes every %d ms, stopping at %zu\n", bite_size, interval / 1000, limit);
for (;;) {
auto* ptr = mmap(nullptr, bite_size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
if (ptr == MAP_FAILED) {
perror("mmap");
return 1;
}
memset(ptr, 0, bite_size);
munched += bite_size;
printf("Allocated: %zu\n", munched);
if (limit && munched >= limit) {
printf("All done!\n");
break;
}
usleep(interval);
}
return 0;
}

98
Userland/rpcdump.cpp
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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/JsonObject.h>
#include <AK/JsonValue.h>
#include <LibCore/EventLoop.h>
#include <LibCore/LocalSocket.h>
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char** argv)
{
if (pledge("stdio unix cpath fattr", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/tmp", "rwc") < 0) {
perror("unveil");
return 1;
}
unveil(nullptr, nullptr);
if (argc != 2) {
printf("usage: %s <pid>\n", argv[0]);
return 0;
}
Core::EventLoop loop;
int pid = atoi(argv[1]);
auto socket = Core::LocalSocket::construct();
if (pledge("stdio unix", nullptr) < 0) {
perror("pledge");
return 1;
}
socket->on_connected = [&] {
dbg() << "Connected to PID " << pid;
JsonObject request;
request.set("type", "GetAllObjects");
auto serialized = request.to_string();
i32 length = serialized.length();
socket->write((const u8*)&length, sizeof(length));
socket->write(serialized);
};
socket->on_ready_to_read = [&] {
if (socket->eof()) {
dbg() << "Disconnected from PID " << pid;
loop.quit(0);
return;
}
auto data = socket->read_all();
for (size_t i = 0; i < data.size(); ++i)
putchar(data[i]);
printf("\n");
loop.quit(0);
};
auto success = socket->connect(Core::SocketAddress::local(String::format("/tmp/rpc.%d", pid)));
if (!success) {
fprintf(stderr, "Couldn't connect to PID %d\n", pid);
return 1;
}
return loop.exec();
}