From: Łukasz Stelmach <l.stelmach@samsung.com>
Date: Mon, 15 Feb 2021 14:41:27 +0000 (+0100)
Subject: logger: testing tool for STDIO logger
X-Git-Tag: submit/tizen/20210406.071611^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2de0459eef2e35a4b31be79b03f31161b564802c;p=platform%2Fkernel%2Flinux-rpi.git

logger: testing tool for STDIO logger

Change-Id: I029a7def836b317a4e059c7a56301e169910a830
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
---

diff --git a/tools/testing/selftests/logger/.gitignore b/tools/testing/selftests/logger/.gitignore
new file mode 100644
index 0000000..b1e5ec6
--- /dev/null
+++ b/tools/testing/selftests/logger/.gitignore
@@ -0,0 +1 @@
+logger-test
diff --git a/tools/testing/selftests/logger/Makefile b/tools/testing/selftests/logger/Makefile
new file mode 100644
index 0000000..02a9019
--- /dev/null
+++ b/tools/testing/selftests/logger/Makefile
@@ -0,0 +1,24 @@
+CFLAGS += -I../../../../usr/include/
+CFLAGS += -std=gnu99
+CFLAGS += -D_GNU_SOURCE
+LDFLAGS = -pthread
+
+.PHONY: all clean
+
+include ../lib.mk
+
+TEST_CUSTOM_PROGS := $(OUTPUT)/logger-test
+all: $(TEST_CUSTOM_PROGS)
+
+OBJS = \
+	logger.o
+
+OBJS := $(patsubst %,$(OUTPUT)/%,$(OBJS))
+
+$(TEST_CUSTOM_PROGS): $(OBJS)
+	$(CC) -o $(TEST_CUSTOM_PROGS) $(OBJS) $(LDFLAGS)
+
+$(OBJS): $(OUTPUT)/%.o: %.c
+	$(CC) -c $^ -o $@ $(CFLAGS)
+
+EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(OBJS)
diff --git a/tools/testing/selftests/logger/logger.c b/tools/testing/selftests/logger/logger.c
new file mode 100644
index 0000000..0446e79
--- /dev/null
+++ b/tools/testing/selftests/logger/logger.c
@@ -0,0 +1,155 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <linux/const.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#define LOGGER_SET_VERSION 44550
+#define LOGGER_SET_TAG 44551
+#define LOGGER_SET_PRIO 44552
+
+#define handle_error_en(en, msg)					\
+	do { errno = en; perror(msg); exit(EXIT_FAILURE); } while (0)
+
+#define BIT(nr)		((1UL) << (nr))
+
+void *tstart(void *arg)
+{
+	int *fd = arg;
+	write(*fd, "child thread msg #1\nchild thread msg #2", 39);
+	return 0;
+}
+
+int main(int ac, char *av[]) {
+
+	char *device = "/dev/log_main";
+	char *msg = "The Foo";
+	char *tag = "stdio";
+	int c, fd, s;
+	pid_t child;
+	pthread_t tid;
+	struct iovec vec[3];
+	unsigned char prio = 4;
+	unsigned long test_mask = ~0UL;
+
+	while (1) {
+		static struct option long_options[] = {
+			{"priority",  required_argument, 0, 'p'},
+			{"tag",       required_argument, 0, 't'},
+			{"test-mask", required_argument, 0, 'm'},
+			{"device",    required_argument, 0, 'd'},
+			{0,           0,                 0, 0}
+		};
+
+		c = getopt_long(ac, av, "p:t:m:d:", long_options, NULL);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case 'p':
+			prio = (unsigned char) strtol(optarg, NULL, 10);
+			break;
+		case 't':
+			tag = strdup(optarg);
+			break;
+		case 'm':
+			test_mask = (unsigned char) strtol(optarg, NULL, 16);
+			break;
+		case 'd':
+			device = strdup(optarg);
+			break;
+		default:
+			exit(1);
+		}
+	}
+
+	setlinebuf(stdout);
+	fd = open(device, O_WRONLY);
+
+	if (ac >= 2) {
+	}
+
+	if (ac == 3) {
+	}
+
+	if (test_mask & BIT(0)) {
+		vec[0].iov_base = &prio;
+		vec[0].iov_len = 1;
+		vec[1].iov_base = tag;
+		vec[1].iov_len = strlen(tag) + 1;
+		vec[2].iov_base = msg;
+		vec[2].iov_len = strlen(msg) + 1;
+
+		writev(fd, vec, 3);
+		if (test_mask & BIT(1)) {
+			msg = "line #1\nline #2";
+			vec[2].iov_base = msg;
+			vec[2].iov_len = strlen(msg) + 1;
+
+			writev(fd, vec, 3);
+		}
+	}
+
+	ioctl(fd, LOGGER_SET_PRIO, prio);
+	ioctl(fd, LOGGER_SET_TAG, "\006\000\000\000stdio");
+
+	if (test_mask & BIT(2)) {
+
+		write(fd, "The Foo From STDIO\n", 19);
+
+		write(fd, "LINE #1\nLINE #2", 15);
+		write(fd, " CONTINUED\nONCE", 15);
+		write(fd, " AGAIN\n", 7);
+	}
+
+	if (test_mask & BIT(3)) {
+		msg = malloc(8000);
+		if (!msg)
+			return 1;
+
+		for (int i = 0; i < 8000; i++)
+			msg[i] = ' ' + (i % 96);
+		msg[7999] = '\n';
+		write(fd, msg, 8000);
+	}
+
+	if (test_mask & BIT(4)) {
+		child = fork();
+		if (child < 0) {
+			return -1;
+		} else if (child == 0) {
+			sleep(1);
+			printf("child: %d\n", getpid());
+			write(fd, "child 1\n", 8);
+			sleep(1);
+			write(fd, "child 2\n", 8);
+			close(fd);
+			return 0;
+		}
+		write(fd, "PARENT\n", 7);
+		printf("PARENT: %d\n", getpid());
+		wait(&s);
+	}
+
+	if (test_mask & BIT(5)) {
+		s = pthread_create(&tid, NULL, &tstart, &fd);
+		if (s != 0)
+			handle_error_en(s, "pthread_create");
+		sleep(1);
+		write(fd, "PARENT THREAD\n", 14);
+
+		s = pthread_join(tid, NULL);
+		if (s != 0)
+			handle_error_en(s, "pthread_join");
+	}
+
+	return 0;
+}