diff options
Diffstat (limited to 'tests/unit/test-io-channel-socket.c')
| -rw-r--r-- | tests/unit/test-io-channel-socket.c | 603 |
1 files changed, 603 insertions, 0 deletions
diff --git a/tests/unit/test-io-channel-socket.c b/tests/unit/test-io-channel-socket.c new file mode 100644 index 0000000000..c49eec1f03 --- /dev/null +++ b/tests/unit/test-io-channel-socket.c @@ -0,0 +1,603 @@ +/* + * 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 2.1 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 "socket-helpers.h" +#include "qapi/error.h" +#include "qemu/module.h" +#include "qemu/main-loop.h" + + +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 **srv, + QIOChannel **src, + QIOChannel **dst) +{ + QIOChannelSocket *lioc; + + lioc = qio_channel_socket_new(); + qio_channel_socket_listen_sync(lioc, listen_addr, 1, &error_abort); + + if (listen_addr->type == SOCKET_ADDRESS_TYPE_INET) { + SocketAddress *laddr = qio_channel_socket_get_local_address( + lioc, &error_abort); + + g_free(connect_addr->u.inet.port); + connect_addr->u.inet.port = g_strdup(laddr->u.inet.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); + + *srv = QIO_CHANNEL(lioc); +} + + +struct TestIOChannelData { + bool err; + GMainLoop *loop; +}; + + +static void test_io_channel_complete(QIOTask *task, + gpointer opaque) +{ + struct TestIOChannelData *data = opaque; + data->err = qio_task_propagate_error(task, NULL); + g_main_loop_quit(data->loop); +} + + +static void test_io_channel_setup_async(SocketAddress *listen_addr, + SocketAddress *connect_addr, + QIOChannel **srv, + 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, 1, + test_io_channel_complete, &data, NULL, 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_TYPE_INET) { + SocketAddress *laddr = qio_channel_socket_get_local_address( + lioc, &error_abort); + + g_free(connect_addr->u.inet.port); + connect_addr->u.inet.port = g_strdup(laddr->u.inet.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, 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); + + *srv = QIO_CHANNEL(lioc); + + g_main_loop_unref(data.loop); +} + + +static void test_io_channel_socket_path_exists(SocketAddress *addr, + bool expectExists) +{ + if (addr->type != SOCKET_ADDRESS_TYPE_UNIX) { + return; + } + + g_assert(g_file_test(addr->u.q_unix.path, + G_FILE_TEST_EXISTS) == expectExists); +} + + +static void test_io_channel(bool async, + SocketAddress *listen_addr, + SocketAddress *connect_addr, + bool passFD) +{ + QIOChannel *src, *dst, *srv; + QIOChannelTest *test; + if (async) { + test_io_channel_setup_async(listen_addr, connect_addr, + &srv, &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)); + g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_SHUTDOWN)); + g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_SHUTDOWN)); + + test_io_channel_socket_path_exists(listen_addr, true); + + test = qio_channel_test_new(); + qio_channel_test_run_threads(test, true, src, dst); + qio_channel_test_validate(test); + + test_io_channel_socket_path_exists(listen_addr, true); + + /* unref without close, to ensure finalize() cleans up */ + + object_unref(OBJECT(src)); + object_unref(OBJECT(dst)); + test_io_channel_socket_path_exists(listen_addr, true); + + object_unref(OBJECT(srv)); + test_io_channel_socket_path_exists(listen_addr, false); + + test_io_channel_setup_async(listen_addr, connect_addr, + &srv, &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)); + g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_SHUTDOWN)); + g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_SHUTDOWN)); + + test = qio_channel_test_new(); + qio_channel_test_run_threads(test, false, src, dst); + qio_channel_test_validate(test); + + /* close before unref, to ensure finalize copes with already closed */ + + qio_channel_close(src, &error_abort); + qio_channel_close(dst, &error_abort); + test_io_channel_socket_path_exists(listen_addr, true); + + object_unref(OBJECT(src)); + object_unref(OBJECT(dst)); + test_io_channel_socket_path_exists(listen_addr, true); + + qio_channel_close(srv, &error_abort); + test_io_channel_socket_path_exists(listen_addr, false); + + object_unref(OBJECT(srv)); + test_io_channel_socket_path_exists(listen_addr, false); + } else { + test_io_channel_setup_sync(listen_addr, connect_addr, + &srv, &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)); + g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_SHUTDOWN)); + g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_SHUTDOWN)); + + test_io_channel_socket_path_exists(listen_addr, true); + + test = qio_channel_test_new(); + qio_channel_test_run_threads(test, true, src, dst); + qio_channel_test_validate(test); + + test_io_channel_socket_path_exists(listen_addr, true); + + /* unref without close, to ensure finalize() cleans up */ + + object_unref(OBJECT(src)); + object_unref(OBJECT(dst)); + test_io_channel_socket_path_exists(listen_addr, true); + + object_unref(OBJECT(srv)); + test_io_channel_socket_path_exists(listen_addr, false); + + test_io_channel_setup_sync(listen_addr, connect_addr, + &srv, &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)); + g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_SHUTDOWN)); + g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_SHUTDOWN)); + + test = qio_channel_test_new(); + qio_channel_test_run_threads(test, false, src, dst); + qio_channel_test_validate(test); + + test_io_channel_socket_path_exists(listen_addr, true); + + /* close before unref, to ensure finalize copes with already closed */ + + qio_channel_close(src, &error_abort); + qio_channel_close(dst, &error_abort); + test_io_channel_socket_path_exists(listen_addr, true); + + object_unref(OBJECT(src)); + object_unref(OBJECT(dst)); + test_io_channel_socket_path_exists(listen_addr, true); + + qio_channel_close(srv, &error_abort); + test_io_channel_socket_path_exists(listen_addr, false); + + object_unref(OBJECT(srv)); + test_io_channel_socket_path_exists(listen_addr, false); + } +} + + +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_TYPE_INET; + listen_addr->u.inet = (InetSocketAddress) { + .host = g_strdup("127.0.0.1"), + .port = NULL, /* Auto-select */ + }; + + connect_addr->type = SOCKET_ADDRESS_TYPE_INET; + connect_addr->u.inet = (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_TYPE_INET; + listen_addr->u.inet = (InetSocketAddress) { + .host = g_strdup("::1"), + .port = NULL, /* Auto-select */ + }; + + connect_addr->type = SOCKET_ADDRESS_TYPE_INET; + connect_addr->u.inet = (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_TYPE_UNIX; + listen_addr->u.q_unix.path = g_strdup(TEST_SOCKET); + + connect_addr->type = SOCKET_ADDRESS_TYPE_UNIX; + connect_addr->u.q_unix.path = g_strdup(TEST_SOCKET); + + test_io_channel(async, listen_addr, connect_addr, true); + + qapi_free_SocketAddress(listen_addr); + qapi_free_SocketAddress(connect_addr); +} + + +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, *srv; + 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_TYPE_UNIX; + listen_addr->u.q_unix.path = g_strdup(TEST_SOCKET); + + connect_addr->type = SOCKET_ADDRESS_TYPE_UNIX; + connect_addr->u.q_unix.path = g_strdup(TEST_SOCKET); + + test_io_channel_setup_sync(listen_addr, connect_addr, &srv, &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)); + object_unref(OBJECT(srv)); + 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); +} + +static void test_io_channel_unix_listen_cleanup(void) +{ + QIOChannelSocket *ioc; + struct sockaddr_un un; + int sock; + +#define TEST_SOCKET "test-io-channel-socket.sock" + + ioc = qio_channel_socket_new(); + + /* Manually bind ioc without calling the qio api to avoid setting + * the LISTEN feature */ + sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0); + memset(&un, 0, sizeof(un)); + un.sun_family = AF_UNIX; + snprintf(un.sun_path, sizeof(un.sun_path), "%s", TEST_SOCKET); + unlink(TEST_SOCKET); + bind(sock, (struct sockaddr *)&un, sizeof(un)); + ioc->fd = sock; + ioc->localAddrLen = sizeof(ioc->localAddr); + getsockname(sock, (struct sockaddr *)&ioc->localAddr, + &ioc->localAddrLen); + + g_assert(g_file_test(TEST_SOCKET, G_FILE_TEST_EXISTS)); + object_unref(OBJECT(ioc)); + g_assert(g_file_test(TEST_SOCKET, G_FILE_TEST_EXISTS)); + + unlink(TEST_SOCKET); +} + +#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); + qemu_init_main_loop(&error_abort); + 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 (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) { + g_printerr("socket_check_protocol_support() failed\n"); + goto end; + } + + 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); + g_test_add_func("/io/channel/socket/unix-listen-cleanup", + test_io_channel_unix_listen_cleanup); +#endif /* _WIN32 */ + +end: + return g_test_run(); +} |