1 files changed, 148 insertions, 0 deletions
diff --git a/metis/ccnx/forwarder/metis/platforms/linux/test/test_metis_System.c b/metis/ccnx/forwarder/metis/platforms/linux/test/test_metis_System.c
new file mode 100644
index 00000000..d65d2e2f
--- /dev/null
+++ b/metis/ccnx/forwarder/metis/platforms/linux/test/test_metis_System.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Include the file(s) containing the functions to be tested.
+// This permits internal static functions to be visible to this Test Framework.
+#include "../metis_System.c"
+
+#include <LongBow/unit-test.h>
+#include <parc/algol/parc_SafeMemory.h>
+#include <parc/algol/parc_Memory.h>
+
+// Include the generic tests of MetisSystem
+#include "../../test/testrig_metis_System.c"
+
+LONGBOW_TEST_RUNNER(linux_Interface)
+{
+    // The following Test Fixtures will run their corresponding Test Cases.
+    // Test Fixtures are run in the order specified, but all tests should be idempotent.
+    // Never rely on the execution order of tests or share state between them.
+    LONGBOW_RUN_TEST_FIXTURE(Global);
+
+    // these are defined in testrig_metis_System.c
+    LONGBOW_RUN_TEST_FIXTURE(PublicApi);
+}
+
+// The Test Runner calls this function once before any Test Fixtures are run.
+LONGBOW_TEST_RUNNER_SETUP(linux_Interface)
+{
+    return LONGBOW_STATUS_SUCCEEDED;
+}
+
+// The Test Runner calls this function once after all the Test Fixtures are run.
+LONGBOW_TEST_RUNNER_TEARDOWN(linux_Interface)
+{
+    return LONGBOW_STATUS_SUCCEEDED;
+}
+
+// ==================================================================
+
+LONGBOW_TEST_FIXTURE(Global)
+{
+    LONGBOW_RUN_TEST_CASE(Global, metisSystem_Interfaces);
+    LONGBOW_RUN_TEST_CASE(Global, metisSystem_InterfaceMTU);
+}
+
+LONGBOW_TEST_FIXTURE_SETUP(Global)
+{
+    return LONGBOW_STATUS_SUCCEEDED;
+}
+
+LONGBOW_TEST_FIXTURE_TEARDOWN(Global)
+{
+    uint32_t outstandingAllocations = parcSafeMemory_ReportAllocation(STDERR_FILENO);
+    if (outstandingAllocations != 0) {
+        printf("%s leaks memory by %d allocations\n", longBowTestCase_GetName(testCase), outstandingAllocations);
+        return LONGBOW_STATUS_MEMORYLEAK;
+    }
+    return LONGBOW_STATUS_SUCCEEDED;
+}
+
+LONGBOW_TEST_CASE(Global, metisSystem_Interfaces)
+{
+    MetisForwarder *metis = metisForwarder_Create(NULL);
+    CPIInterfaceSet *set = metisSystem_Interfaces(metis);
+    assertNotNull(set, "metisSystem_Interfaces return null set");
+
+    // XXX we need some sort of validation test.  e.g. open a socket, then ioctl to
+    // XXX get the interface name, then verify its in the list.
+
+    size_t length = cpiInterfaceSet_Length(set);
+    assertTrue(length > 0, "metisSystem_Interfaces returned no interfaces");
+
+    for (size_t i = 0; i < length; i++) {
+        CPIInterface *iface = cpiInterfaceSet_GetByOrdinalIndex(set, i);
+        printf("Interface Index %u\n", cpiInterface_GetInterfaceIndex(iface));
+        const CPIAddressList *list = cpiInterface_GetAddresses(iface);
+        PARCJSONArray *json = cpiAddressList_ToJson(list);
+        char *str = parcJSONArray_ToString(json);
+        printf("%s\n", str);
+        parcMemory_Deallocate((void **) &str);
+        parcJSONArray_Release(&json);
+    }
+
+    cpiInterfaceSet_Destroy(&set);
+    metisForwarder_Destroy(&metis);
+}
+
+// returns a strdup() of the interface name, use free(3)
+static char *
+_pickInterfaceName(MetisForwarder *metis)
+{
+    char *ifname = NULL;
+
+    CPIInterfaceSet *set = metisSystem_Interfaces(metis);
+    size_t length = cpiInterfaceSet_Length(set);
+    assertTrue(length > 0, "metisSystem_Interfaces returned no interfaces");
+
+    for (size_t i = 0; i < length; i++) {
+        CPIInterface *iface = cpiInterfaceSet_GetByOrdinalIndex(set, i);
+        const CPIAddressList *addressList = cpiInterface_GetAddresses(iface);
+
+        size_t length = cpiAddressList_Length(addressList);
+        for (size_t i = 0; i < length && !ifname; i++) {
+            const CPIAddress *a = cpiAddressList_GetItem(addressList, i);
+            if (cpiAddress_GetType(a) == cpiAddressType_LINK) {
+                ifname = strdup(cpiInterface_GetName(iface));
+            }
+        }
+    }
+
+    cpiInterfaceSet_Destroy(&set);
+    return ifname;
+}
+
+LONGBOW_TEST_CASE(Global, metisSystem_InterfaceMTU)
+{
+    MetisForwarder *metis = metisForwarder_Create(NULL);
+
+    char *deviceName = _pickInterfaceName(metis);
+    unsigned mtu = metisSystem_InterfaceMtu(metis, deviceName);
+
+    assertTrue(mtu > 0, "Did not get mtu for interface %s", deviceName);
+    free(deviceName);
+    metisForwarder_Destroy(&metis);
+}
+
+// ==================================================================
+
+int
+main(int argc, char *argv[])
+{
+    LongBowRunner *testRunner = LONGBOW_TEST_RUNNER_CREATE(linux_Interface);
+    int exitStatus = longBowMain(argc, argv, testRunner, NULL);
+    longBowTestRunner_Destroy(&testRunner);
+    exit(exitStatus);
+}