[CRIU] [PATCH v4 4/4] zdtm: Add file lease tests
Pavel Begunkov
asml.silence at gmail.com
Sat Sep 9 19:51:40 MSK 2017
Test cases:
1. Basic non-breaking read/write leases.
2. Multiple read leases and OFDs with no lease for the same file.
3. Breaking leases.
Signed-off-by: Pavel Begunkov <asml.silence at gmail.com>
---
test/zdtm/static/Makefile | 3 +
test/zdtm/static/file_lease00.c | 84 ++++++++++++++++++++++
test/zdtm/static/file_lease00.desc | 1 +
test/zdtm/static/file_lease01.c | 88 +++++++++++++++++++++++
test/zdtm/static/file_lease01.desc | 1 +
test/zdtm/static/file_lease02.c | 143 +++++++++++++++++++++++++++++++++++++
test/zdtm/static/file_lease02.desc | 1 +
7 files changed, 321 insertions(+)
create mode 100644 test/zdtm/static/file_lease00.c
create mode 100644 test/zdtm/static/file_lease00.desc
create mode 100644 test/zdtm/static/file_lease01.c
create mode 120000 test/zdtm/static/file_lease01.desc
create mode 100644 test/zdtm/static/file_lease02.c
create mode 120000 test/zdtm/static/file_lease02.desc
diff --git a/test/zdtm/static/Makefile b/test/zdtm/static/Makefile
index 1e4a57545..7987e34b5 100644
--- a/test/zdtm/static/Makefile
+++ b/test/zdtm/static/Makefile
@@ -221,6 +221,9 @@ TST_FILE = \
sockets00 \
sockets03 \
sockets_dgram \
+ file_lease00 \
+ file_lease01 \
+ file_lease02 \
file_locks00 \
file_locks01 \
file_locks02 \
diff --git a/test/zdtm/static/file_lease00.c b/test/zdtm/static/file_lease00.c
new file mode 100644
index 000000000..8413f831b
--- /dev/null
+++ b/test/zdtm/static/file_lease00.c
@@ -0,0 +1,84 @@
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+
+#include "zdtmtst.h"
+
+const char *test_doc = "Check c/r of non-breaking leases";
+const char *test_author = "Pavel Begunkov <asml.silence at gmail.com>";
+
+char *filename;
+TEST_OPTION(filename, string, "file name", 1);
+char filename_rd[PATH_MAX];
+char filename_wr[PATH_MAX];
+
+static void close_files(int fd1, int fd2)
+{
+ if (fd1 >= 0)
+ close(fd1);
+ if (fd2 >= 0)
+ close(fd2);
+
+ unlink(filename_rd);
+ unlink(filename_wr);
+}
+
+static int open_files(int *fd_rd, int *fd_wr)
+{
+ *fd_rd = open(filename_rd, O_RDONLY | O_CREAT, 0666);
+ *fd_wr = open(filename_wr, O_WRONLY | O_CREAT, 0666);
+
+ if (*fd_rd < 0 || *fd_wr < 0) {
+ close_files(*fd_rd, *fd_wr);
+ return -1;
+ }
+ return 0;
+}
+
+static int check_lease_type(int fd, int expected_type)
+{
+ int lease_type = fcntl(fd, F_GETLEASE);
+
+ if (lease_type != expected_type) {
+ if (lease_type < 0)
+ pr_perror("Can't acquire lease type\n");
+ else
+ pr_err("Mismatched lease type: %i\n", lease_type);
+ return -1;
+ }
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ int fd_rd = -1, fd_wr = -1;
+
+ test_init(argc, argv);
+
+ snprintf(filename_rd, sizeof(filename_rd), "%s.0", filename);
+ snprintf(filename_wr, sizeof(filename_wr), "%s.1", filename);
+
+ if (open_files(&fd_rd, &fd_wr)) {
+ pr_err("Can't open files\n");
+ return -1;
+ }
+ if (fcntl(fd_rd, F_SETLEASE, F_RDLCK) < 0 ||
+ fcntl(fd_wr, F_SETLEASE, F_WRLCK) < 0) {
+ pr_perror("Can't set leases\n");
+ close_files(fd_rd, fd_wr);
+ return -1;
+ }
+
+ test_daemon();
+ test_waitsig();
+
+ if (check_lease_type(fd_rd, F_RDLCK))
+ fail("Read lease check failed\n");
+ else if (check_lease_type(fd_wr, F_WRLCK))
+ fail("Write lease check failed\n");
+ else
+ pass();
+
+ close_files(fd_rd, fd_wr);
+ return 0;
+}
diff --git a/test/zdtm/static/file_lease00.desc b/test/zdtm/static/file_lease00.desc
new file mode 100644
index 000000000..f394d0330
--- /dev/null
+++ b/test/zdtm/static/file_lease00.desc
@@ -0,0 +1 @@
+{'feature': 'fdinfo_lock', 'opts': '--file-locks'}
diff --git a/test/zdtm/static/file_lease01.c b/test/zdtm/static/file_lease01.c
new file mode 100644
index 000000000..90fa74a1c
--- /dev/null
+++ b/test/zdtm/static/file_lease01.c
@@ -0,0 +1,88 @@
+#include <fcntl.h>
+#include <stdio.h>
+
+#include "zdtmtst.h"
+
+#define FD_COUNT 3
+#define FD_LEASED1 0
+#define FD_LEASED2 2
+#define FD_LEASE_FREE 1
+
+const char *test_doc = "Check that extra leases are not set after c/r";
+const char *test_author = "Pavel Begunkov <asml.silence at gmail.com>";
+
+char *filename;
+TEST_OPTION(filename, string, "file name", 1);
+
+static void close_files(int fds[FD_COUNT])
+{
+ int i;
+
+ for (i = 0; i < FD_COUNT; ++i)
+ if (fds[i] >= 0)
+ close(fds[i]);
+ unlink(filename);
+}
+
+static int open_files(int fds[FD_COUNT])
+{
+ int i;
+
+ for (i = 0; i < FD_COUNT; ++i) {
+ fds[i] = open(filename, O_RDONLY | O_CREAT, 0666);
+ if (fds[i] < 0) {
+ close_files(fds);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int check_lease_type(int fd, int expected_type)
+{
+ int lease_type = fcntl(fd, F_GETLEASE);
+
+ if (lease_type != expected_type) {
+ if (lease_type < 0)
+ pr_perror("Can't acquire lease type\n");
+ else
+ pr_err("Mismatched lease type: %i\n", lease_type);
+ return -1;
+ }
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ int fds[FD_COUNT];
+
+ test_init(argc, argv);
+
+ if (open_files(fds)) {
+ pr_err("Can't open files\n");
+ return -1;
+ }
+
+ if (fcntl(fds[FD_LEASED1], F_SETLEASE, F_RDLCK) < 0 ||
+ fcntl(fds[FD_LEASED2], F_SETLEASE, F_RDLCK) < 0) {
+ pr_err("Can't set leases\n");
+ close_files(fds);
+ return -1;
+ }
+
+ test_daemon();
+ test_waitsig();
+
+ if (check_lease_type(fds[FD_LEASE_FREE], F_UNLCK))
+ fail("Unexpected lease was found (%i)\n", fds[FD_LEASE_FREE]);
+ else if (check_lease_type(fds[FD_LEASED1], F_RDLCK))
+ fail("Lease isn't set (%i)\n", fds[FD_LEASED1]);
+ else if (check_lease_type(fds[FD_LEASED2], F_RDLCK))
+ fail("Lease isn't set (%i)\n", fds[FD_LEASED2]);
+ else
+ pass();
+
+ close_files(fds);
+ return 0;
+}
+
diff --git a/test/zdtm/static/file_lease01.desc b/test/zdtm/static/file_lease01.desc
new file mode 120000
index 000000000..fba66d322
--- /dev/null
+++ b/test/zdtm/static/file_lease01.desc
@@ -0,0 +1 @@
+file_lease00.desc
\ No newline at end of file
diff --git a/test/zdtm/static/file_lease02.c b/test/zdtm/static/file_lease02.c
new file mode 100644
index 000000000..dc4ab0790
--- /dev/null
+++ b/test/zdtm/static/file_lease02.c
@@ -0,0 +1,143 @@
+#include <fcntl.h>
+#include <stdio.h>
+#include <signal.h>
+#include <limits.h>
+
+#include "zdtmtst.h"
+
+#define FD_COUNT 3
+#define BREAK_SIGNUM SIGIO
+
+const char *test_doc = "Check c/r of breaking leases";
+const char *test_author = "Pavel Begunkov <asml.silence at gmail.com>";
+
+char *filename;
+TEST_OPTION(filename, string, "file name", 1);
+
+char filename1[PATH_MAX];
+char filename2[PATH_MAX];
+char filename3[PATH_MAX];
+
+int expected_fd;
+int sigaction_error = 0;
+
+static void break_sigaction(int signo, siginfo_t *info, void *ctx)
+{
+ if (signo != BREAK_SIGNUM) {
+ pr_err("Unexpected signal(%i)\n", signo);
+ sigaction_error = -1;
+ } else if (info->si_fd != expected_fd) {
+ pr_err("Unexpected fd(%i)\n", info->si_fd);
+ sigaction_error = -1;
+ }
+ expected_fd = -1;
+}
+
+static int check_lease_type(int fd, int expected_type)
+{
+ int lease_type = fcntl(fd, F_GETLEASE);
+
+ if (lease_type != expected_type) {
+ if (lease_type < 0)
+ pr_perror("Can't acquire lease type\n");
+ else
+ pr_err("Mismatched lease type: %i\n", lease_type);
+ return -1;
+ }
+ return 0;
+}
+
+static int prepare_file(char* file, int file_type, int break_type)
+{
+ int fd, fd_break;
+ int lease_type = (file_type == O_RDONLY) ? F_RDLCK : F_WRLCK;
+
+ fd = open(file, file_type | O_CREAT, 0666);
+ if (fd < 0) {
+ pr_perror("Can't open file (type %i)\n", file_type);
+ return fd;
+ }
+ if (fcntl(fd, F_SETLEASE, lease_type) < 0) {
+ pr_perror("Can't set exclusive lease\n");
+ goto err;
+ }
+ if (fcntl(fd, F_SETSIG, BREAK_SIGNUM) < 0) {
+ pr_perror("Can't set signum for file i/o\n");
+ goto err;
+ }
+
+ expected_fd = fd;
+ fd_break = open(file, break_type | O_NONBLOCK);
+
+ if (fd_break >= 0) {
+ close(fd_break);
+ pr_err("Conflicting lease not found\n");
+ goto err;
+ } else if (errno != EWOULDBLOCK) {
+ pr_perror("Can't break lease\n");
+ goto err;
+ }
+ return fd;
+err:
+ close(fd);
+ return -1;
+}
+
+static void close_files(int fds[FD_COUNT])
+{
+ int i;
+ for (i = 0; i < FD_COUNT; ++i)
+ if (fds[i] >= 0)
+ close(fds[i]);
+
+ unlink(filename1);
+ unlink(filename2);
+ unlink(filename3);
+}
+
+int main(int argc, char **argv)
+{
+ int fds[FD_COUNT];
+ int ret = -1;
+ struct sigaction act = {};
+
+ test_init(argc, argv);
+
+ snprintf(filename1, sizeof(filename1), "%s.0", filename);
+ snprintf(filename2, sizeof(filename2), "%s.1", filename);
+ snprintf(filename3, sizeof(filename3), "%s.2", filename);
+
+ act.sa_sigaction = break_sigaction;
+ act.sa_flags = SA_SIGINFO;
+
+ if (sigemptyset(&act.sa_mask) ||
+ sigaddset(&act.sa_mask, BREAK_SIGNUM) ||
+ sigaction(BREAK_SIGNUM, &act, NULL)) {
+ pr_perror("Can't set signal action\n");
+ fail();
+ return -1;
+ }
+
+ fds[0] = prepare_file(filename1, O_RDONLY, O_WRONLY);
+ fds[1] = prepare_file(filename2, O_WRONLY, O_RDONLY);
+ fds[2] = prepare_file(filename3, O_WRONLY, O_WRONLY);
+ if (fds[0] < 0 || fds[1] < 0 || fds[2] < 0 || sigaction_error)
+ goto done;
+
+ test_daemon();
+ test_waitsig();
+
+ ret = 0;
+ if (sigaction_error)
+ fail("Ghost signal\n");
+ else if (check_lease_type(fds[0], F_UNLCK) ||
+ check_lease_type(fds[1], F_RDLCK) ||
+ check_lease_type(fds[2], F_UNLCK))
+ fail("Lease type doesn't match\n");
+ else
+ pass();
+done:
+ close_files(fds);
+ return ret;
+}
+
diff --git a/test/zdtm/static/file_lease02.desc b/test/zdtm/static/file_lease02.desc
new file mode 120000
index 000000000..fba66d322
--- /dev/null
+++ b/test/zdtm/static/file_lease02.desc
@@ -0,0 +1 @@
+file_lease00.desc
\ No newline at end of file
--
2.11.1
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