X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Ftests%2Ftest-io-channel-socket.c;fp=qemu%2Ftests%2Ftest-io-channel-socket.c;h=855306b8dd52ae4a4222fb3d4014073ed043cd4e;hb=437fd90c0250dee670290f9b714253671a990160;hp=0000000000000000000000000000000000000000;hpb=5bbd6fe9b8bab2a93e548c5a53b032d1939eec05;p=kvmfornfv.git

diff --git a/qemu/tests/test-io-channel-socket.c b/qemu/tests/test-io-channel-socket.c
new file mode 100644
index 000000000..855306b8d
--- /dev/null
+++ b/qemu/tests/test-io-channel-socket.c
@@ -0,0 +1,568 @@
+/*
+ * 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();
+}