--- /dev/null
+/*
+ * QEMU I/O channel sockets test
+ *
+ * Copyright (c) 2015-2016 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "io/channel-socket.h"
+#include "io/channel-util.h"
+#include "io-channel-helpers.h"
+#include "qapi/error.h"
+
+#ifndef AI_ADDRCONFIG
+# define AI_ADDRCONFIG 0
+#endif
+#ifndef EAI_ADDRFAMILY
+# define EAI_ADDRFAMILY 0
+#endif
+
+static int check_bind(const char *hostname, bool *has_proto)
+{
+ int fd = -1;
+ struct addrinfo ai, *res = NULL;
+ int rc;
+ int ret = -1;
+
+ memset(&ai, 0, sizeof(ai));
+ ai.ai_flags = AI_CANONNAME | AI_ADDRCONFIG;
+ ai.ai_family = AF_UNSPEC;
+ ai.ai_socktype = SOCK_STREAM;
+
+ /* lookup */
+ rc = getaddrinfo(hostname, NULL, &ai, &res);
+ if (rc != 0) {
+ if (rc == EAI_ADDRFAMILY ||
+ rc == EAI_FAMILY) {
+ *has_proto = false;
+ goto done;
+ }
+ goto cleanup;
+ }
+
+ fd = qemu_socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+ if (fd < 0) {
+ goto cleanup;
+ }
+
+ if (bind(fd, res->ai_addr, res->ai_addrlen) < 0) {
+ if (errno == EADDRNOTAVAIL) {
+ *has_proto = false;
+ goto done;
+ }
+ goto cleanup;
+ }
+
+ *has_proto = true;
+ done:
+ ret = 0;
+
+ cleanup:
+ if (fd != -1) {
+ close(fd);
+ }
+ if (res) {
+ freeaddrinfo(res);
+ }
+ return ret;
+}
+
+static int check_protocol_support(bool *has_ipv4, bool *has_ipv6)
+{
+ if (check_bind("127.0.0.1", has_ipv4) < 0) {
+ return -1;
+ }
+ if (check_bind("::1", has_ipv6) < 0) {
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static void test_io_channel_set_socket_bufs(QIOChannel *src,
+ QIOChannel *dst)
+{
+ int buflen = 64 * 1024;
+
+ /*
+ * Make the socket buffers small so that we see
+ * the effects of partial reads/writes
+ */
+ setsockopt(((QIOChannelSocket *)src)->fd,
+ SOL_SOCKET, SO_SNDBUF,
+ (char *)&buflen,
+ sizeof(buflen));
+
+ setsockopt(((QIOChannelSocket *)dst)->fd,
+ SOL_SOCKET, SO_SNDBUF,
+ (char *)&buflen,
+ sizeof(buflen));
+}
+
+
+static void test_io_channel_setup_sync(SocketAddress *listen_addr,
+ SocketAddress *connect_addr,
+ QIOChannel **src,
+ QIOChannel **dst)
+{
+ QIOChannelSocket *lioc;
+
+ lioc = qio_channel_socket_new();
+ qio_channel_socket_listen_sync(lioc, listen_addr, &error_abort);
+
+ if (listen_addr->type == SOCKET_ADDRESS_KIND_INET) {
+ SocketAddress *laddr = qio_channel_socket_get_local_address(
+ lioc, &error_abort);
+
+ g_free(connect_addr->u.inet.data->port);
+ connect_addr->u.inet.data->port = g_strdup(laddr->u.inet.data->port);
+
+ qapi_free_SocketAddress(laddr);
+ }
+
+ *src = QIO_CHANNEL(qio_channel_socket_new());
+ qio_channel_socket_connect_sync(
+ QIO_CHANNEL_SOCKET(*src), connect_addr, &error_abort);
+ qio_channel_set_delay(*src, false);
+
+ qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN);
+ *dst = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort));
+ g_assert(*dst);
+
+ test_io_channel_set_socket_bufs(*src, *dst);
+
+ object_unref(OBJECT(lioc));
+}
+
+
+struct TestIOChannelData {
+ bool err;
+ GMainLoop *loop;
+};
+
+
+static void test_io_channel_complete(Object *src,
+ Error *err,
+ gpointer opaque)
+{
+ struct TestIOChannelData *data = opaque;
+ data->err = err != NULL;
+ g_main_loop_quit(data->loop);
+}
+
+
+static void test_io_channel_setup_async(SocketAddress *listen_addr,
+ SocketAddress *connect_addr,
+ QIOChannel **src,
+ QIOChannel **dst)
+{
+ QIOChannelSocket *lioc;
+ struct TestIOChannelData data;
+
+ data.loop = g_main_loop_new(g_main_context_default(),
+ TRUE);
+
+ lioc = qio_channel_socket_new();
+ qio_channel_socket_listen_async(
+ lioc, listen_addr,
+ test_io_channel_complete, &data, NULL);
+
+ g_main_loop_run(data.loop);
+ g_main_context_iteration(g_main_context_default(), FALSE);
+
+ g_assert(!data.err);
+
+ if (listen_addr->type == SOCKET_ADDRESS_KIND_INET) {
+ SocketAddress *laddr = qio_channel_socket_get_local_address(
+ lioc, &error_abort);
+
+ g_free(connect_addr->u.inet.data->port);
+ connect_addr->u.inet.data->port = g_strdup(laddr->u.inet.data->port);
+
+ qapi_free_SocketAddress(laddr);
+ }
+
+ *src = QIO_CHANNEL(qio_channel_socket_new());
+
+ qio_channel_socket_connect_async(
+ QIO_CHANNEL_SOCKET(*src), connect_addr,
+ test_io_channel_complete, &data, NULL);
+
+ g_main_loop_run(data.loop);
+ g_main_context_iteration(g_main_context_default(), FALSE);
+
+ g_assert(!data.err);
+
+ qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN);
+ *dst = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort));
+ g_assert(*dst);
+
+ qio_channel_set_delay(*src, false);
+ test_io_channel_set_socket_bufs(*src, *dst);
+
+ object_unref(OBJECT(lioc));
+
+ g_main_loop_unref(data.loop);
+}
+
+
+static void test_io_channel(bool async,
+ SocketAddress *listen_addr,
+ SocketAddress *connect_addr,
+ bool passFD)
+{
+ QIOChannel *src, *dst;
+ QIOChannelTest *test;
+ if (async) {
+ test_io_channel_setup_async(listen_addr, connect_addr, &src, &dst);
+
+ g_assert(!passFD ||
+ qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
+ g_assert(!passFD ||
+ qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
+
+ test = qio_channel_test_new();
+ qio_channel_test_run_threads(test, true, src, dst);
+ qio_channel_test_validate(test);
+
+ object_unref(OBJECT(src));
+ object_unref(OBJECT(dst));
+
+ test_io_channel_setup_async(listen_addr, connect_addr, &src, &dst);
+
+ g_assert(!passFD ||
+ qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
+ g_assert(!passFD ||
+ qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
+
+ test = qio_channel_test_new();
+ qio_channel_test_run_threads(test, false, src, dst);
+ qio_channel_test_validate(test);
+
+ object_unref(OBJECT(src));
+ object_unref(OBJECT(dst));
+ } else {
+ test_io_channel_setup_sync(listen_addr, connect_addr, &src, &dst);
+
+ g_assert(!passFD ||
+ qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
+ g_assert(!passFD ||
+ qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
+
+ test = qio_channel_test_new();
+ qio_channel_test_run_threads(test, true, src, dst);
+ qio_channel_test_validate(test);
+
+ object_unref(OBJECT(src));
+ object_unref(OBJECT(dst));
+
+ test_io_channel_setup_sync(listen_addr, connect_addr, &src, &dst);
+
+ g_assert(!passFD ||
+ qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
+ g_assert(!passFD ||
+ qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
+
+ test = qio_channel_test_new();
+ qio_channel_test_run_threads(test, false, src, dst);
+ qio_channel_test_validate(test);
+
+ object_unref(OBJECT(src));
+ object_unref(OBJECT(dst));
+ }
+}
+
+
+static void test_io_channel_ipv4(bool async)
+{
+ SocketAddress *listen_addr = g_new0(SocketAddress, 1);
+ SocketAddress *connect_addr = g_new0(SocketAddress, 1);
+
+ listen_addr->type = SOCKET_ADDRESS_KIND_INET;
+ listen_addr->u.inet.data = g_new(InetSocketAddress, 1);
+ *listen_addr->u.inet.data = (InetSocketAddress) {
+ .host = g_strdup("127.0.0.1"),
+ .port = NULL, /* Auto-select */
+ };
+
+ connect_addr->type = SOCKET_ADDRESS_KIND_INET;
+ connect_addr->u.inet.data = g_new(InetSocketAddress, 1);
+ *connect_addr->u.inet.data = (InetSocketAddress) {
+ .host = g_strdup("127.0.0.1"),
+ .port = NULL, /* Filled in later */
+ };
+
+ test_io_channel(async, listen_addr, connect_addr, false);
+
+ qapi_free_SocketAddress(listen_addr);
+ qapi_free_SocketAddress(connect_addr);
+}
+
+
+static void test_io_channel_ipv4_sync(void)
+{
+ return test_io_channel_ipv4(false);
+}
+
+
+static void test_io_channel_ipv4_async(void)
+{
+ return test_io_channel_ipv4(true);
+}
+
+
+static void test_io_channel_ipv6(bool async)
+{
+ SocketAddress *listen_addr = g_new0(SocketAddress, 1);
+ SocketAddress *connect_addr = g_new0(SocketAddress, 1);
+
+ listen_addr->type = SOCKET_ADDRESS_KIND_INET;
+ listen_addr->u.inet.data = g_new(InetSocketAddress, 1);
+ *listen_addr->u.inet.data = (InetSocketAddress) {
+ .host = g_strdup("::1"),
+ .port = NULL, /* Auto-select */
+ };
+
+ connect_addr->type = SOCKET_ADDRESS_KIND_INET;
+ connect_addr->u.inet.data = g_new(InetSocketAddress, 1);
+ *connect_addr->u.inet.data = (InetSocketAddress) {
+ .host = g_strdup("::1"),
+ .port = NULL, /* Filled in later */
+ };
+
+ test_io_channel(async, listen_addr, connect_addr, false);
+
+ qapi_free_SocketAddress(listen_addr);
+ qapi_free_SocketAddress(connect_addr);
+}
+
+
+static void test_io_channel_ipv6_sync(void)
+{
+ return test_io_channel_ipv6(false);
+}
+
+
+static void test_io_channel_ipv6_async(void)
+{
+ return test_io_channel_ipv6(true);
+}
+
+
+#ifndef _WIN32
+static void test_io_channel_unix(bool async)
+{
+ SocketAddress *listen_addr = g_new0(SocketAddress, 1);
+ SocketAddress *connect_addr = g_new0(SocketAddress, 1);
+
+#define TEST_SOCKET "test-io-channel-socket.sock"
+ listen_addr->type = SOCKET_ADDRESS_KIND_UNIX;
+ listen_addr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
+ listen_addr->u.q_unix.data->path = g_strdup(TEST_SOCKET);
+
+ connect_addr->type = SOCKET_ADDRESS_KIND_UNIX;
+ connect_addr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
+ connect_addr->u.q_unix.data->path = g_strdup(TEST_SOCKET);
+
+ test_io_channel(async, listen_addr, connect_addr, true);
+
+ qapi_free_SocketAddress(listen_addr);
+ qapi_free_SocketAddress(connect_addr);
+ unlink(TEST_SOCKET);
+}
+
+
+static void test_io_channel_unix_sync(void)
+{
+ return test_io_channel_unix(false);
+}
+
+
+static void test_io_channel_unix_async(void)
+{
+ return test_io_channel_unix(true);
+}
+
+static void test_io_channel_unix_fd_pass(void)
+{
+ SocketAddress *listen_addr = g_new0(SocketAddress, 1);
+ SocketAddress *connect_addr = g_new0(SocketAddress, 1);
+ QIOChannel *src, *dst;
+ int testfd;
+ int fdsend[3];
+ int *fdrecv = NULL;
+ size_t nfdrecv = 0;
+ size_t i;
+ char bufsend[12], bufrecv[12];
+ struct iovec iosend[1], iorecv[1];
+
+#define TEST_SOCKET "test-io-channel-socket.sock"
+#define TEST_FILE "test-io-channel-socket.txt"
+
+ testfd = open(TEST_FILE, O_RDWR|O_TRUNC|O_CREAT, 0700);
+ g_assert(testfd != -1);
+ fdsend[0] = testfd;
+ fdsend[1] = testfd;
+ fdsend[2] = testfd;
+
+ listen_addr->type = SOCKET_ADDRESS_KIND_UNIX;
+ listen_addr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
+ listen_addr->u.q_unix.data->path = g_strdup(TEST_SOCKET);
+
+ connect_addr->type = SOCKET_ADDRESS_KIND_UNIX;
+ connect_addr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
+ connect_addr->u.q_unix.data->path = g_strdup(TEST_SOCKET);
+
+ test_io_channel_setup_sync(listen_addr, connect_addr, &src, &dst);
+
+ memcpy(bufsend, "Hello World", G_N_ELEMENTS(bufsend));
+
+ iosend[0].iov_base = bufsend;
+ iosend[0].iov_len = G_N_ELEMENTS(bufsend);
+
+ iorecv[0].iov_base = bufrecv;
+ iorecv[0].iov_len = G_N_ELEMENTS(bufrecv);
+
+ g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
+ g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
+
+ qio_channel_writev_full(src,
+ iosend,
+ G_N_ELEMENTS(iosend),
+ fdsend,
+ G_N_ELEMENTS(fdsend),
+ &error_abort);
+
+ qio_channel_readv_full(dst,
+ iorecv,
+ G_N_ELEMENTS(iorecv),
+ &fdrecv,
+ &nfdrecv,
+ &error_abort);
+
+ g_assert(nfdrecv == G_N_ELEMENTS(fdsend));
+ /* Each recvd FD should be different from sent FD */
+ for (i = 0; i < nfdrecv; i++) {
+ g_assert_cmpint(fdrecv[i], !=, testfd);
+ }
+ /* Each recvd FD should be different from each other */
+ g_assert_cmpint(fdrecv[0], !=, fdrecv[1]);
+ g_assert_cmpint(fdrecv[0], !=, fdrecv[2]);
+ g_assert_cmpint(fdrecv[1], !=, fdrecv[2]);
+
+ /* Check the I/O buf we sent at the same time matches */
+ g_assert(memcmp(bufsend, bufrecv, G_N_ELEMENTS(bufsend)) == 0);
+
+ /* Write some data into the FD we received */
+ g_assert(write(fdrecv[0], bufsend, G_N_ELEMENTS(bufsend)) ==
+ G_N_ELEMENTS(bufsend));
+
+ /* Read data from the original FD and make sure it matches */
+ memset(bufrecv, 0, G_N_ELEMENTS(bufrecv));
+ g_assert(lseek(testfd, 0, SEEK_SET) == 0);
+ g_assert(read(testfd, bufrecv, G_N_ELEMENTS(bufrecv)) ==
+ G_N_ELEMENTS(bufrecv));
+ g_assert(memcmp(bufsend, bufrecv, G_N_ELEMENTS(bufsend)) == 0);
+
+ object_unref(OBJECT(src));
+ object_unref(OBJECT(dst));
+ qapi_free_SocketAddress(listen_addr);
+ qapi_free_SocketAddress(connect_addr);
+ unlink(TEST_SOCKET);
+ unlink(TEST_FILE);
+ close(testfd);
+ for (i = 0; i < nfdrecv; i++) {
+ close(fdrecv[i]);
+ }
+ g_free(fdrecv);
+}
+#endif /* _WIN32 */
+
+
+static void test_io_channel_ipv4_fd(void)
+{
+ QIOChannel *ioc;
+ int fd = -1;
+ struct sockaddr_in sa = {
+ .sin_family = AF_INET,
+ .sin_addr = {
+ .s_addr = htonl(INADDR_LOOPBACK),
+ }
+ /* Leave port unset for auto-assign */
+ };
+ socklen_t salen = sizeof(sa);
+
+ fd = socket(AF_INET, SOCK_STREAM, 0);
+ g_assert_cmpint(fd, >, -1);
+
+ g_assert_cmpint(bind(fd, (struct sockaddr *)&sa, salen), ==, 0);
+
+ ioc = qio_channel_new_fd(fd, &error_abort);
+
+ g_assert_cmpstr(object_get_typename(OBJECT(ioc)),
+ ==,
+ TYPE_QIO_CHANNEL_SOCKET);
+
+ object_unref(OBJECT(ioc));
+}
+
+
+int main(int argc, char **argv)
+{
+ bool has_ipv4, has_ipv6;
+
+ module_call_init(MODULE_INIT_QOM);
+ socket_init();
+
+ g_test_init(&argc, &argv, NULL);
+
+ /* We're creating actual IPv4/6 sockets, so we should
+ * check if the host running tests actually supports
+ * each protocol to avoid breaking tests on machines
+ * with either IPv4 or IPv6 disabled.
+ */
+ if (check_protocol_support(&has_ipv4, &has_ipv6) < 0) {
+ return 1;
+ }
+
+ if (has_ipv4) {
+ g_test_add_func("/io/channel/socket/ipv4-sync",
+ test_io_channel_ipv4_sync);
+ g_test_add_func("/io/channel/socket/ipv4-async",
+ test_io_channel_ipv4_async);
+ g_test_add_func("/io/channel/socket/ipv4-fd",
+ test_io_channel_ipv4_fd);
+ }
+ if (has_ipv6) {
+ g_test_add_func("/io/channel/socket/ipv6-sync",
+ test_io_channel_ipv6_sync);
+ g_test_add_func("/io/channel/socket/ipv6-async",
+ test_io_channel_ipv6_async);
+ }
+
+#ifndef _WIN32
+ g_test_add_func("/io/channel/socket/unix-sync",
+ test_io_channel_unix_sync);
+ g_test_add_func("/io/channel/socket/unix-async",
+ test_io_channel_unix_async);
+ g_test_add_func("/io/channel/socket/unix-fd-pass",
+ test_io_channel_unix_fd_pass);
+#endif /* _WIN32 */
+
+ return g_test_run();
+}
Code Review / kvmfornfv.git / blobdiff