From 90219914d718a74f9ce8eaa1a1efd2c4ad6d2384 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 5 May 2011 13:01:22 -0400
Subject: [PATCH] Add dummy trace creator in tests

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---
 tests/Makefile.am       |  4 +-
 tests/test-dummytrace.c | 81 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 84 insertions(+), 1 deletion(-)
 create mode 100644 tests/test-dummytrace.c

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 642dd983..1038535e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,7 @@
 AM_CFLAGS = $(PACKAGE_CFLAGS) -I$(top_srcdir)/include
 
-noinst_PROGRAMS = test-bitfield
+noinst_PROGRAMS = test-bitfield test-dummytrace
 
 test_bitfield_SOURCES = test-bitfield.c
+
+test_dummytrace_SOURCES = test-dummytrace.c
diff --git a/tests/test-dummytrace.c b/tests/test-dummytrace.c
new file mode 100644
index 00000000..81e97b98
--- /dev/null
+++ b/tests/test-dummytrace.c
@@ -0,0 +1,81 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <errno.h>
+#include <uuid/uuid.h>
+#include <string.h>
+
+#define FILE_LEN	(4 * 4096)
+
+int main(int argc, char **argv)
+{
+	char *base, *pos;
+	int fd, ret;
+	off_t off;
+	uuid_t uuid;
+
+	fd = open("dummystream", O_RDWR|O_CREAT, S_IRUSR|S_IWUSR);
+	if (fd < 0) {
+		perror("open");
+		return -1;
+	}
+	off = posix_fallocate(fd, 0, FILE_LEN);
+	if (off < 0) {
+		printf("Error in fallocate\n");
+		return -1;
+	}
+#if 0
+	{
+		ssize_t len;
+
+		off = lseek(fd, FILE_LEN - 1, SEEK_CUR);
+		if (off < 0) {
+			perror("lseek");
+			return -1;
+		}
+		len = write(fd, "", 1);
+		if (len < 0) {
+			perror("write");
+			return -1;
+		}
+	}
+#endif
+	base = mmap(NULL, FILE_LEN, PROT_READ|PROT_WRITE,
+		MAP_SHARED, fd, 0);
+	if (!base) {
+		perror("mmap");
+		return -1;
+	}
+	pos = base;
+
+	/* magic */
+	*(uint32_t *) pos = 0xC1FC1FC1;
+	pos += sizeof(uint32_t);
+
+	/* trace_uuid */
+	ret = uuid_parse("2a6422d0-6cee-11e0-8c08-cb07d7b3a564", uuid);
+	if (ret) {
+		printf("uuid parse error\n");
+		return -1;
+	}
+	memcpy(pos, uuid, 16);
+	pos += 16;
+
+	/* stream_id */
+	*(uint32_t *) pos = 0;
+        pos += sizeof(uint32_t);
+
+	ret = munmap(base, FILE_LEN);
+	if (ret) {
+		perror("munmap");
+		return -1;
+	}
+	close(fd);
+	return 0;
+}
+
+
-- 
2.34.1