tests: merge code for UNIX and TCP socket testing

The test code for UNIX and TCP sockets will need to be rewritten and
extended later, and will benefit from code sharing.
Reviewed-by: NAndrea Bolognani <abologna@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

tests/virnetsockettest.c

@@ -116,38 +116,67 @@ checkProtocols(bool *hasIPv4, bool *hasIPv6,
 }
 
 
-struct testTCPData {
+struct testSocketData {
     const char *lnode;
     int port;
     const char *cnode;
 };
 
-static int testSocketTCPAccept(const void *opaque)
+static int testSocketAccept(const void *opaque)
 {
     virNetSocketPtr *lsock = NULL; /* Listen socket */
     size_t nlsock = 0, i;
     virNetSocketPtr ssock = NULL; /* Server socket */
     virNetSocketPtr csock = NULL; /* Client socket */
-    const struct testTCPData *data = opaque;
+    const struct testSocketData *data = opaque;
     int ret = -1;
     char portstr[100];
+    char *tmpdir = NULL;
+    char *path = NULL;
+    char template[] = "/tmp/libvirt_XXXXXX";
 
-    snprintf(portstr, sizeof(portstr), "%d", data->port);
+    if (!data) {
+        virNetSocketPtr usock;
+        tmpdir = mkdtemp(template);
+        if (tmpdir == NULL) {
+            VIR_WARN("Failed to create temporary directory");
+            goto cleanup;
+        }
+        if (virAsprintf(&path, "%s/test.sock", tmpdir) < 0)
+            goto cleanup;
 
-    if (virNetSocketNewListenTCP(data->lnode, portstr,
-                                 AF_UNSPEC,
-                                 &lsock, &nlsock) < 0)
-        goto cleanup;
+        if (virNetSocketNewListenUNIX(path, 0700, -1, getegid(), &usock) < 0)
+            goto cleanup;
+
+        if (VIR_ALLOC_N(lsock, 1) < 0) {
+            virObjectUnref(usock);
+            goto cleanup;
+        }
+
+        lsock[0] = usock;
+        nlsock = 1;
+    } else {
+        snprintf(portstr, sizeof(portstr), "%d", data->port);
+        if (virNetSocketNewListenTCP(data->lnode, portstr,
+                                     AF_UNSPEC,
+                                     &lsock, &nlsock) < 0)
+            goto cleanup;
+    }
 
     for (i = 0; i < nlsock; i++) {
         if (virNetSocketListen(lsock[i], 0) < 0)
             goto cleanup;
     }
 
-    if (virNetSocketNewConnectTCP(data->cnode, portstr,
-                                  AF_UNSPEC,
-                                  &csock) < 0)
-        goto cleanup;
+    if (!data) {
+        if (virNetSocketNewConnectUNIX(path, false, NULL, &csock) < 0)
+            goto cleanup;
+    } else {
+        if (virNetSocketNewConnectTCP(data->cnode, portstr,
+                                      AF_UNSPEC,
+                                      &csock) < 0)
+            goto cleanup;
+    }
 
     virObjectUnref(csock);
 
@@ -171,62 +200,15 @@ static int testSocketTCPAccept(const void *opaque)
     for (i = 0; i < nlsock; i++)
         virObjectUnref(lsock[i]);
     VIR_FREE(lsock);
-    return ret;
-}
-#endif
-
-
-#ifndef WIN32
-static int testSocketUNIXAccept(const void *data ATTRIBUTE_UNUSED)
-{
-    virNetSocketPtr lsock = NULL; /* Listen socket */
-    virNetSocketPtr ssock = NULL; /* Server socket */
-    virNetSocketPtr csock = NULL; /* Client socket */
-    int ret = -1;
-
-    char *path = NULL;
-    char *tmpdir;
-    char template[] = "/tmp/libvirt_XXXXXX";
-
-    tmpdir = mkdtemp(template);
-    if (tmpdir == NULL) {
-        VIR_WARN("Failed to create temporary directory");
-        goto cleanup;
-    }
-    if (virAsprintf(&path, "%s/test.sock", tmpdir) < 0)
-        goto cleanup;
-
-    if (virNetSocketNewListenUNIX(path, 0700, -1, getegid(), &lsock) < 0)
-        goto cleanup;
-
-    if (virNetSocketListen(lsock, 0) < 0)
-        goto cleanup;
-
-    if (virNetSocketNewConnectUNIX(path, false, NULL, &csock) < 0)
-        goto cleanup;
-
-    virObjectUnref(csock);
-
-    if (virNetSocketAccept(lsock, &ssock) != -1) {
-        char c = 'a';
-        if (virNetSocketWrite(ssock, &c, 1) != -1) {
-            VIR_DEBUG("Unexpected client socket present");
-            goto cleanup;
-        }
-    }
-
-    ret = 0;
-
- cleanup:
     VIR_FREE(path);
-    virObjectUnref(lsock);
-    virObjectUnref(ssock);
     if (tmpdir)
         rmdir(tmpdir);
     return ret;
 }
+#endif
 
 
+#ifndef WIN32
 static int testSocketUNIXAddrs(const void *data ATTRIBUTE_UNUSED)
 {
     virNetSocketPtr lsock = NULL; /* Listen socket */
@@ -456,28 +438,28 @@ mymain(void)
     }
 
     if (hasIPv4) {
-        struct testTCPData tcpData = { "127.0.0.1", freePort, "127.0.0.1" };
-        if (virTestRun("Socket TCP/IPv4 Accept", testSocketTCPAccept, &tcpData) < 0)
+        struct testSocketData tcpData = { "127.0.0.1", freePort, "127.0.0.1" };
+        if (virTestRun("Socket TCP/IPv4 Accept", testSocketAccept, &tcpData) < 0)
             ret = -1;
     }
     if (hasIPv6) {
-        struct testTCPData tcpData = { "::1", freePort, "::1" };
-        if (virTestRun("Socket TCP/IPv6 Accept", testSocketTCPAccept, &tcpData) < 0)
+        struct testSocketData tcpData = { "::1", freePort, "::1" };
+        if (virTestRun("Socket TCP/IPv6 Accept", testSocketAccept, &tcpData) < 0)
             ret = -1;
     }
     if (hasIPv6 && hasIPv4) {
-        struct testTCPData tcpData = { NULL, freePort, "127.0.0.1" };
-        if (virTestRun("Socket TCP/IPv4+IPv6 Accept", testSocketTCPAccept, &tcpData) < 0)
+        struct testSocketData tcpData = { NULL, freePort, "127.0.0.1" };
+        if (virTestRun("Socket TCP/IPv4+IPv6 Accept", testSocketAccept, &tcpData) < 0)
             ret = -1;
 
         tcpData.cnode = "::1";
-        if (virTestRun("Socket TCP/IPv4+IPv6 Accept", testSocketTCPAccept, &tcpData) < 0)
+        if (virTestRun("Socket TCP/IPv4+IPv6 Accept", testSocketAccept, &tcpData) < 0)
             ret = -1;
     }
 #endif
 
 #ifndef WIN32
-    if (virTestRun("Socket UNIX Accept", testSocketUNIXAccept, NULL) < 0)
+    if (virTestRun("Socket UNIX Accept", testSocketAccept, NULL) < 0)
         ret = -1;
 
     if (virTestRun("Socket UNIX Addrs", testSocketUNIXAddrs, NULL) < 0)