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-rw-r--r--test/core/iomgr/ev_epoll_linux_test.c244
-rw-r--r--test/core/iomgr/tcp_server_posix_test.c10
2 files changed, 249 insertions, 5 deletions
diff --git a/test/core/iomgr/ev_epoll_linux_test.c b/test/core/iomgr/ev_epoll_linux_test.c
new file mode 100644
index 0000000000..2547dc9871
--- /dev/null
+++ b/test/core/iomgr/ev_epoll_linux_test.c
@@ -0,0 +1,244 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * 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
+ * OWNER 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 <grpc/support/port_platform.h>
+
+/* This test only relevant on linux systems where epoll() is available */
+#ifdef GPR_LINUX_EPOLL
+#include "src/core/lib/iomgr/ev_epoll_linux.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/lib/iomgr/iomgr.h"
+#include "test/core/util/test_config.h"
+
+typedef struct test_pollset {
+ grpc_pollset *pollset;
+ gpr_mu *mu;
+} test_pollset;
+
+typedef struct test_fd {
+ int inner_fd;
+ grpc_fd *fd;
+} test_fd;
+
+/* num_fds should be an even number */
+static void test_fd_init(test_fd *tfds, int *fds, int num_fds) {
+ int i;
+ for (i = 0; i < num_fds; i++) {
+ tfds[i].inner_fd = fds[i];
+ tfds[i].fd = grpc_fd_create(fds[i], "test_fd");
+ }
+}
+
+static void test_fd_cleanup(grpc_exec_ctx *exec_ctx, test_fd *tfds,
+ int num_fds) {
+ int release_fd;
+ int i;
+
+ for (i = 0; i < num_fds; i++) {
+ grpc_fd_shutdown(exec_ctx, tfds[i].fd);
+ grpc_exec_ctx_flush(exec_ctx);
+
+ grpc_fd_orphan(exec_ctx, tfds[i].fd, NULL, &release_fd, "test_fd_cleanup");
+ grpc_exec_ctx_flush(exec_ctx);
+
+ GPR_ASSERT(release_fd == tfds[i].inner_fd);
+ close(tfds[i].inner_fd);
+ }
+}
+
+static void test_pollset_init(test_pollset *pollsets, int num_pollsets) {
+ int i;
+ for (i = 0; i < num_pollsets; i++) {
+ pollsets[i].pollset = gpr_malloc(grpc_pollset_size());
+ grpc_pollset_init(pollsets[i].pollset, &pollsets[i].mu);
+ }
+}
+
+static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p,
+ grpc_error *error) {
+ grpc_pollset_destroy(p);
+}
+
+static void test_pollset_cleanup(grpc_exec_ctx *exec_ctx,
+ test_pollset *pollsets, int num_pollsets) {
+ grpc_closure destroyed;
+ int i;
+
+ for (i = 0; i < num_pollsets; i++) {
+ grpc_closure_init(&destroyed, destroy_pollset, pollsets[i].pollset);
+ grpc_pollset_shutdown(exec_ctx, pollsets[i].pollset, &destroyed);
+
+ grpc_exec_ctx_flush(exec_ctx);
+ gpr_free(pollsets[i].pollset);
+ }
+}
+
+#define NUM_FDS 8
+#define NUM_POLLSETS 4
+/*
+ * Cases to test:
+ * case 1) Polling islands of both fd and pollset are NULL
+ * case 2) Polling island of fd is NULL but that of pollset is not-NULL
+ * case 3) Polling island of fd is not-NULL but that of pollset is NULL
+ * case 4) Polling islands of both fd and pollset are not-NULL and:
+ * case 4.1) Polling islands of fd and pollset are equal
+ * case 4.2) Polling islands of fd and pollset are NOT-equal (This results
+ * in a merge)
+ * */
+static void test_add_fd_to_pollset() {
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ test_fd tfds[NUM_FDS];
+ int fds[NUM_FDS];
+ test_pollset pollsets[NUM_POLLSETS];
+ void *expected_pi = NULL;
+ int i;
+ int r;
+
+ /* Create some dummy file descriptors. Currently using pipe file descriptors
+ * for this test but we could use any other type of file descriptors. Also,
+ * since pipe() used in this test creates two fds in each call, NUM_FDS should
+ * be an even number */
+ for (i = 0; i < NUM_FDS; i = i + 2) {
+ r = pipe(fds + i);
+ if (r != 0) {
+ gpr_log(GPR_ERROR, "Error in creating pipe. %d (%s)", errno,
+ strerror(errno));
+ return;
+ }
+ }
+
+ test_fd_init(tfds, fds, NUM_FDS);
+ test_pollset_init(pollsets, NUM_POLLSETS);
+
+ /*Step 1.
+ * Create three polling islands (This will exercise test case 1 and 2) with
+ * the following configuration:
+ * polling island 0 = { fds:0,1,2, pollsets:0}
+ * polling island 1 = { fds:3,4, pollsets:1}
+ * polling island 2 = { fds:5,6,7 pollsets:2}
+ *
+ *Step 2.
+ * Add pollset 3 to polling island 0 (by adding fds 0 and 1 to pollset 3)
+ * (This will exercise test cases 3 and 4.1). The configuration becomes:
+ * polling island 0 = { fds:0,1,2, pollsets:0,3} <<< pollset 3 added here
+ * polling island 1 = { fds:3,4, pollsets:1}
+ * polling island 2 = { fds:5,6,7 pollsets:2}
+ *
+ *Step 3.
+ * Merge polling islands 0 and 1 by adding fd 0 to pollset 1 (This will
+ * exercise test case 4.2). The configuration becomes:
+ * polling island (merged) = {fds: 0,1,2,3,4, pollsets: 0,1,3}
+ * polling island 2 = {fds: 5,6,7 pollsets: 2}
+ *
+ *Step 4.
+ * Finally do one more merge by adding fd 3 to pollset 2.
+ * polling island (merged) = {fds: 0,1,2,3,4,5,6,7, pollsets: 0,1,2,3}
+ */
+
+ /* == Step 1 == */
+ for (i = 0; i <= 2; i++) {
+ grpc_pollset_add_fd(&exec_ctx, pollsets[0].pollset, tfds[i].fd);
+ grpc_exec_ctx_flush(&exec_ctx);
+ }
+
+ for (i = 3; i <= 4; i++) {
+ grpc_pollset_add_fd(&exec_ctx, pollsets[1].pollset, tfds[i].fd);
+ grpc_exec_ctx_flush(&exec_ctx);
+ }
+
+ for (i = 5; i <= 7; i++) {
+ grpc_pollset_add_fd(&exec_ctx, pollsets[2].pollset, tfds[i].fd);
+ grpc_exec_ctx_flush(&exec_ctx);
+ }
+
+ /* == Step 2 == */
+ for (i = 0; i <= 1; i++) {
+ grpc_pollset_add_fd(&exec_ctx, pollsets[3].pollset, tfds[i].fd);
+ grpc_exec_ctx_flush(&exec_ctx);
+ }
+
+ /* == Step 3 == */
+ grpc_pollset_add_fd(&exec_ctx, pollsets[1].pollset, tfds[0].fd);
+ grpc_exec_ctx_flush(&exec_ctx);
+
+ /* == Step 4 == */
+ grpc_pollset_add_fd(&exec_ctx, pollsets[2].pollset, tfds[3].fd);
+ grpc_exec_ctx_flush(&exec_ctx);
+
+ /* All polling islands are merged at this point */
+
+ /* Compare Fd:0's polling island with that of all other Fds */
+ expected_pi = grpc_fd_get_polling_island(tfds[0].fd);
+ for (i = 1; i < NUM_FDS; i++) {
+ GPR_ASSERT(grpc_are_polling_islands_equal(
+ expected_pi, grpc_fd_get_polling_island(tfds[i].fd)));
+ }
+
+ /* Compare Fd:0's polling island with that of all other pollsets */
+ for (i = 0; i < NUM_POLLSETS; i++) {
+ GPR_ASSERT(grpc_are_polling_islands_equal(
+ expected_pi, grpc_pollset_get_polling_island(pollsets[i].pollset)));
+ }
+
+ test_fd_cleanup(&exec_ctx, tfds, NUM_FDS);
+ test_pollset_cleanup(&exec_ctx, pollsets, NUM_POLLSETS);
+ grpc_exec_ctx_finish(&exec_ctx);
+}
+
+int main(int argc, char **argv) {
+ const char *poll_strategy = NULL;
+ grpc_test_init(argc, argv);
+ grpc_iomgr_init();
+
+ poll_strategy = grpc_get_poll_strategy_name();
+ if (poll_strategy != NULL && strcmp(poll_strategy, "epoll") == 0) {
+ test_add_fd_to_pollset();
+ } else {
+ gpr_log(GPR_INFO,
+ "Skipping the test. The test is only relevant for 'epoll' "
+ "strategy. and the current strategy is: '%s'",
+ poll_strategy);
+ }
+ grpc_iomgr_shutdown();
+ return 0;
+}
+#else /* defined(GPR_LINUX_EPOLL) */
+int main(int argc, char **argv) { return 0; }
+#endif /* !defined(GPR_LINUX_EPOLL) */
diff --git a/test/core/iomgr/tcp_server_posix_test.c b/test/core/iomgr/tcp_server_posix_test.c
index eda774fca5..6e2d1d0fc9 100644
--- a/test/core/iomgr/tcp_server_posix_test.c
+++ b/test/core/iomgr/tcp_server_posix_test.c
@@ -129,7 +129,7 @@ static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp,
static void test_no_op(void) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_tcp_server *s;
- GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, &s));
+ GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, NULL, &s));
grpc_tcp_server_unref(&exec_ctx, s);
grpc_exec_ctx_finish(&exec_ctx);
}
@@ -137,7 +137,7 @@ static void test_no_op(void) {
static void test_no_op_with_start(void) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_tcp_server *s;
- GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, &s));
+ GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, NULL, &s));
LOG_TEST("test_no_op_with_start");
grpc_tcp_server_start(&exec_ctx, s, NULL, 0, on_connect, NULL);
grpc_tcp_server_unref(&exec_ctx, s);
@@ -148,7 +148,7 @@ static void test_no_op_with_port(void) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
struct sockaddr_in addr;
grpc_tcp_server *s;
- GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, &s));
+ GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, NULL, &s));
LOG_TEST("test_no_op_with_port");
memset(&addr, 0, sizeof(addr));
@@ -166,7 +166,7 @@ static void test_no_op_with_port_and_start(void) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
struct sockaddr_in addr;
grpc_tcp_server *s;
- GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, &s));
+ GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, NULL, &s));
LOG_TEST("test_no_op_with_port_and_start");
int port;
@@ -226,7 +226,7 @@ static void test_connect(unsigned n) {
unsigned svr1_fd_count;
int svr1_port;
grpc_tcp_server *s;
- GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, &s));
+ GPR_ASSERT(GRPC_ERROR_NONE == grpc_tcp_server_create(NULL, NULL, &s));
unsigned i;
server_weak_ref weak_ref;
server_weak_ref_init(&weak_ref);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 17:51:16 +0000