1 /* 2 * QTest testcase for filter-redirector 3 * 4 * Copyright (c) 2016 FUJITSU LIMITED 5 * Author: Zhang Chen <zhangchen.fnst@cn.fujitsu.com> 6 * 7 * This work is licensed under the terms of the GNU GPL, version 2 or 8 * later. See the COPYING file in the top-level directory. 9 * 10 * Case 1, tx traffic flow: 11 * 12 * qemu side | test side 13 * | 14 * +---------+ | +-------+ 15 * | backend <---------------+ sock0 | 16 * +----+----+ | +-------+ 17 * | | 18 * +----v----+ +-------+ | 19 * | rd0 +->+chardev| | 20 * +---------+ +---+---+ | 21 * | | 22 * +---------+ | | 23 * | rd1 <------+ | 24 * +----+----+ | 25 * | | 26 * +----v----+ | +-------+ 27 * | rd2 +--------------->sock1 | 28 * +---------+ | +-------+ 29 * + 30 * 31 * -------------------------------------- 32 * Case 2, rx traffic flow 33 * qemu side | test side 34 * | 35 * +---------+ | +-------+ 36 * | backend +---------------> sock1 | 37 * +----^----+ | +-------+ 38 * | | 39 * +----+----+ +-------+ | 40 * | rd0 +<-+chardev| | 41 * +---------+ +---+---+ | 42 * ^ | 43 * +---------+ | | 44 * | rd1 +------+ | 45 * +----^----+ | 46 * | | 47 * +----+----+ | +-------+ 48 * | rd2 <---------------+sock0 | 49 * +---------+ | +-------+ 50 * + 51 */ 52 53 #include "qemu/osdep.h" 54 #include "qemu-common.h" 55 #include "libqos/libqtest.h" 56 #include "qapi/qmp/qdict.h" 57 #include "qemu/iov.h" 58 #include "qemu/sockets.h" 59 #include "qemu/error-report.h" 60 #include "qemu/main-loop.h" 61 62 /* TODO actually test the results and get rid of this */ 63 #define qmp_discard_response(qs, ...) qobject_unref(qtest_qmp(qs, __VA_ARGS__)) 64 65 static void test_redirector_tx(void) 66 { 67 int backend_sock[2], recv_sock; 68 uint32_t ret = 0, len = 0; 69 char send_buf[] = "Hello!!"; 70 char sock_path0[] = "filter-redirector0.XXXXXX"; 71 char sock_path1[] = "filter-redirector1.XXXXXX"; 72 char *recv_buf; 73 uint32_t size = sizeof(send_buf); 74 size = htonl(size); 75 QTestState *qts; 76 77 ret = socketpair(PF_UNIX, SOCK_STREAM, 0, backend_sock); 78 g_assert_cmpint(ret, !=, -1); 79 80 ret = mkstemp(sock_path0); 81 g_assert_cmpint(ret, !=, -1); 82 ret = mkstemp(sock_path1); 83 g_assert_cmpint(ret, !=, -1); 84 85 qts = qtest_initf( 86 "-nic socket,id=qtest-bn0,fd=%d " 87 "-chardev socket,id=redirector0,path=%s,server=on,wait=off " 88 "-chardev socket,id=redirector1,path=%s,server=on,wait=off " 89 "-chardev socket,id=redirector2,path=%s " 90 "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," 91 "queue=tx,outdev=redirector0 " 92 "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," 93 "queue=tx,indev=redirector2 " 94 "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0," 95 "queue=tx,outdev=redirector1 ", backend_sock[1], 96 sock_path0, sock_path1, sock_path0); 97 98 recv_sock = unix_connect(sock_path1, NULL); 99 g_assert_cmpint(recv_sock, !=, -1); 100 101 /* send a qmp command to guarantee that 'connected' is setting to true. */ 102 qmp_discard_response(qts, "{ 'execute' : 'query-status'}"); 103 104 struct iovec iov[] = { 105 { 106 .iov_base = &size, 107 .iov_len = sizeof(size), 108 }, { 109 .iov_base = send_buf, 110 .iov_len = sizeof(send_buf), 111 }, 112 }; 113 114 ret = iov_send(backend_sock[0], iov, 2, 0, sizeof(size) + sizeof(send_buf)); 115 g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size)); 116 close(backend_sock[0]); 117 118 ret = qemu_recv(recv_sock, &len, sizeof(len), 0); 119 g_assert_cmpint(ret, ==, sizeof(len)); 120 len = ntohl(len); 121 122 g_assert_cmpint(len, ==, sizeof(send_buf)); 123 recv_buf = g_malloc(len); 124 ret = qemu_recv(recv_sock, recv_buf, len, 0); 125 g_assert_cmpstr(recv_buf, ==, send_buf); 126 127 g_free(recv_buf); 128 close(recv_sock); 129 unlink(sock_path0); 130 unlink(sock_path1); 131 qtest_quit(qts); 132 } 133 134 static void test_redirector_rx(void) 135 { 136 int backend_sock[2], send_sock; 137 uint32_t ret = 0, len = 0; 138 char send_buf[] = "Hello!!"; 139 char sock_path0[] = "filter-redirector0.XXXXXX"; 140 char sock_path1[] = "filter-redirector1.XXXXXX"; 141 char *recv_buf; 142 uint32_t size = sizeof(send_buf); 143 size = htonl(size); 144 QTestState *qts; 145 146 ret = socketpair(PF_UNIX, SOCK_STREAM, 0, backend_sock); 147 g_assert_cmpint(ret, !=, -1); 148 149 ret = mkstemp(sock_path0); 150 g_assert_cmpint(ret, !=, -1); 151 ret = mkstemp(sock_path1); 152 g_assert_cmpint(ret, !=, -1); 153 154 qts = qtest_initf( 155 "-nic socket,id=qtest-bn0,fd=%d " 156 "-chardev socket,id=redirector0,path=%s,server=on,wait=off " 157 "-chardev socket,id=redirector1,path=%s,server=on,wait=off " 158 "-chardev socket,id=redirector2,path=%s " 159 "-object filter-redirector,id=qtest-f0,netdev=qtest-bn0," 160 "queue=rx,indev=redirector0 " 161 "-object filter-redirector,id=qtest-f1,netdev=qtest-bn0," 162 "queue=rx,outdev=redirector2 " 163 "-object filter-redirector,id=qtest-f2,netdev=qtest-bn0," 164 "queue=rx,indev=redirector1 ", backend_sock[1], 165 sock_path0, sock_path1, sock_path0); 166 167 struct iovec iov[] = { 168 { 169 .iov_base = &size, 170 .iov_len = sizeof(size), 171 }, { 172 .iov_base = send_buf, 173 .iov_len = sizeof(send_buf), 174 }, 175 }; 176 177 send_sock = unix_connect(sock_path1, NULL); 178 g_assert_cmpint(send_sock, !=, -1); 179 /* send a qmp command to guarantee that 'connected' is setting to true. */ 180 qmp_discard_response(qts, "{ 'execute' : 'query-status'}"); 181 182 ret = iov_send(send_sock, iov, 2, 0, sizeof(size) + sizeof(send_buf)); 183 g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size)); 184 185 ret = qemu_recv(backend_sock[0], &len, sizeof(len), 0); 186 g_assert_cmpint(ret, ==, sizeof(len)); 187 len = ntohl(len); 188 189 g_assert_cmpint(len, ==, sizeof(send_buf)); 190 recv_buf = g_malloc(len); 191 ret = qemu_recv(backend_sock[0], recv_buf, len, 0); 192 g_assert_cmpstr(recv_buf, ==, send_buf); 193 194 close(send_sock); 195 g_free(recv_buf); 196 unlink(sock_path0); 197 unlink(sock_path1); 198 qtest_quit(qts); 199 } 200 201 int main(int argc, char **argv) 202 { 203 g_test_init(&argc, &argv, NULL); 204 qtest_add_func("/netfilter/redirector_tx", test_redirector_tx); 205 qtest_add_func("/netfilter/redirector_rx", test_redirector_rx); 206 return g_test_run(); 207 } 208