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-rw-r--r--test/ext/vapi_cpp_test.cpp591
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diff --git a/test/ext/vapi_cpp_test.cpp b/test/ext/vapi_cpp_test.cpp
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+/*
+ *------------------------------------------------------------------
+ * 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 <memory>
+#include <stdio.h>
+#include <unistd.h>
+#include <assert.h>
+#include <setjmp.h>
+#include <check.h>
+#include <vapi/vapi.hpp>
+#include <vapi/vpe.api.vapi.hpp>
+#include <vapi/interface.api.vapi.hpp>
+#include <vapi/stats.api.vapi.hpp>
+#include <fake.api.vapi.hpp>
+
+DEFINE_VAPI_MSG_IDS_VPE_API_JSON;
+DEFINE_VAPI_MSG_IDS_INTERFACE_API_JSON;
+DEFINE_VAPI_MSG_IDS_STATS_API_JSON;
+DEFINE_VAPI_MSG_IDS_FAKE_API_JSON;
+
+static char *app_name = nullptr;
+static char *api_prefix = nullptr;
+static const int max_outstanding_requests = 32;
+static const int response_queue_size = 32;
+
+using namespace vapi;
+
+void verify_show_version_reply (const Show_version_reply &r)
+{
+ auto &p = r.get_payload ();
+ printf ("show_version_reply: program: `%s', version: `%s', build directory: "
+ "`%s', build date: `%s'\n",
+ p.program, p.version, p.build_directory, p.build_date);
+ ck_assert_str_eq ("vpe", (char *)p.program);
+}
+
+Connection con;
+
+void setup (void)
+{
+ vapi_error_e rv = con.connect (
+ app_name, api_prefix, max_outstanding_requests, response_queue_size);
+ ck_assert_int_eq (VAPI_OK, rv);
+}
+
+void teardown (void)
+{
+ con.disconnect ();
+}
+
+START_TEST (test_show_version_1)
+{
+ printf ("--- Show version by reading response associated to request ---\n");
+ Show_version sv (con);
+ vapi_error_e rv = sv.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ rv = con.wait_for_response (sv);
+ ck_assert_int_eq (VAPI_OK, rv);
+ auto &r = sv.get_response ();
+ verify_show_version_reply (r);
+}
+
+END_TEST;
+
+struct Show_version_cb
+{
+ Show_version_cb () : called{0} {};
+ int called;
+ vapi_error_e operator() (Show_version &sv)
+ {
+ auto &r = sv.get_response ();
+ verify_show_version_reply (r);
+ ++called;
+ return VAPI_OK;
+ }
+};
+
+START_TEST (test_show_version_2)
+{
+ printf ("--- Show version by getting a callback ---\n");
+ Show_version_cb cb;
+ Show_version sv (con, std::ref (cb));
+ vapi_error_e rv = sv.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ con.dispatch (sv);
+ ck_assert_int_eq (1, cb.called);
+}
+
+END_TEST;
+
+START_TEST (test_loopbacks_1)
+{
+ printf ("--- Create/delete loopbacks by waiting for response ---\n");
+ const auto num_ifs = 5;
+ u8 mac_addresses[num_ifs][6];
+ memset (&mac_addresses, 0, sizeof (mac_addresses));
+ u32 sw_if_indexes[num_ifs];
+ memset (&sw_if_indexes, 0xff, sizeof (sw_if_indexes));
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ memcpy (&mac_addresses[i], "\1\2\3\4\5\6", 6);
+ mac_addresses[i][5] = i;
+ }
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ Create_loopback cl (con);
+ auto &p = cl.get_request ().get_payload ();
+ memcpy (p.mac_address, mac_addresses[i], sizeof (p.mac_address));
+ auto e = cl.execute ();
+ ck_assert_int_eq (VAPI_OK, e);
+ vapi_error_e rv = con.wait_for_response (cl);
+ ck_assert_int_eq (VAPI_OK, rv);
+ auto &rp = cl.get_response ().get_payload ();
+ ck_assert_int_eq (0, rp.retval);
+ sw_if_indexes[i] = rp.sw_if_index;
+ }
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ printf ("Created loopback with MAC %02x:%02x:%02x:%02x:%02x:%02x --> "
+ "sw_if_index %u\n",
+ mac_addresses[i][0], mac_addresses[i][1], mac_addresses[i][2],
+ mac_addresses[i][3], mac_addresses[i][4], mac_addresses[i][5],
+ sw_if_indexes[i]);
+ }
+
+ { // new context
+ bool seen[num_ifs] = {0};
+ Sw_interface_dump d (con);
+ auto &p = d.get_request ().get_payload ();
+ p.name_filter_valid = 0;
+ memset (p.name_filter, 0, sizeof (p.name_filter));
+ auto rv = d.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ rv = con.wait_for_response (d);
+ ck_assert_int_eq (VAPI_OK, rv);
+ auto &rs = d.get_result_set ();
+ for (auto &r : rs)
+ {
+ auto &p = r.get_payload ();
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ if (sw_if_indexes[i] == p.sw_if_index)
+ {
+ ck_assert_int_eq (0, seen[i]);
+ seen[i] = true;
+ }
+ }
+ }
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ ck_assert_int_eq (1, seen[i]);
+ }
+ }
+
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ Delete_loopback dl (con);
+ dl.get_request ().get_payload ().sw_if_index = sw_if_indexes[i];
+ auto rv = dl.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ rv = con.wait_for_response (dl);
+ ck_assert_int_eq (VAPI_OK, rv);
+ auto &response = dl.get_response ();
+ auto rp = response.get_payload ();
+ ck_assert_int_eq (0, rp.retval);
+ printf ("Deleted loopback with sw_if_index %u\n", sw_if_indexes[i]);
+ }
+
+ { // new context
+ Sw_interface_dump d (con);
+ auto &p = d.get_request ().get_payload ();
+ p.name_filter_valid = 0;
+ memset (p.name_filter, 0, sizeof (p.name_filter));
+ auto rv = d.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ rv = con.wait_for_response (d);
+ ck_assert_int_eq (VAPI_OK, rv);
+ auto &rs = d.get_result_set ();
+ for (auto &r : rs)
+ {
+ auto &p = r.get_payload ();
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ ck_assert_int_ne (sw_if_indexes[i], p.sw_if_index);
+ }
+ }
+ }
+}
+
+END_TEST;
+
+struct Create_loopback_cb
+{
+ Create_loopback_cb () : called{0}, sw_if_index{0} {};
+ int called;
+ u32 sw_if_index;
+ bool seen;
+ vapi_error_e operator() (Create_loopback &cl)
+ {
+ auto &r = cl.get_response ();
+ sw_if_index = r.get_payload ().sw_if_index;
+ ++called;
+ return VAPI_OK;
+ }
+};
+
+struct Delete_loopback_cb
+{
+ Delete_loopback_cb () : called{0}, sw_if_index{0} {};
+ int called;
+ u32 sw_if_index;
+ bool seen;
+ vapi_error_e operator() (Delete_loopback &dl)
+ {
+ auto &r = dl.get_response ();
+ ck_assert_int_eq (0, r.get_payload ().retval);
+ ++called;
+ return VAPI_OK;
+ }
+};
+
+template <int num_ifs> struct Sw_interface_dump_cb
+{
+ Sw_interface_dump_cb (std::array<Create_loopback_cb, num_ifs> &cbs)
+ : called{0}, cbs{cbs} {};
+ int called;
+ std::array<Create_loopback_cb, num_ifs> &cbs;
+ vapi_error_e operator() (Sw_interface_dump &d)
+ {
+ for (auto &y : cbs)
+ {
+ y.seen = false;
+ }
+ for (auto &x : d.get_result_set ())
+ {
+ auto &p = x.get_payload ();
+ for (auto &y : cbs)
+ {
+ if (p.sw_if_index == y.sw_if_index)
+ {
+ y.seen = true;
+ }
+ }
+ }
+ for (auto &y : cbs)
+ {
+ ck_assert_int_eq (true, y.seen);
+ }
+ ++called;
+ return VAPI_OK;
+ }
+};
+
+START_TEST (test_loopbacks_2)
+{
+ printf ("--- Create/delete loopbacks by getting a callback ---\n");
+ const auto num_ifs = 5;
+ u8 mac_addresses[num_ifs][6];
+ memset (&mac_addresses, 0, sizeof (mac_addresses));
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ memcpy (&mac_addresses[i], "\1\2\3\4\5\6", 6);
+ mac_addresses[i][5] = i;
+ }
+ std::array<Create_loopback_cb, num_ifs> ccbs;
+ std::array<std::unique_ptr<Create_loopback>, num_ifs> clcs;
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ Create_loopback *cl = new Create_loopback (con, std::ref (ccbs[i]));
+ clcs[i].reset (cl);
+ auto &p = cl->get_request ().get_payload ();
+ memcpy (p.mac_address, mac_addresses[i], sizeof (p.mac_address));
+ auto e = cl->execute ();
+ ck_assert_int_eq (VAPI_OK, e);
+ }
+ con.dispatch ();
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ ck_assert_int_eq (1, ccbs[i].called);
+ printf ("Created loopback with MAC %02x:%02x:%02x:%02x:%02x:%02x --> "
+ "sw_if_index %u\n",
+ mac_addresses[i][0], mac_addresses[i][1], mac_addresses[i][2],
+ mac_addresses[i][3], mac_addresses[i][4], mac_addresses[i][5],
+ ccbs[i].sw_if_index);
+ }
+
+ Sw_interface_dump_cb<num_ifs> swdcb (ccbs);
+ Sw_interface_dump d (con, std::ref (swdcb));
+ auto &p = d.get_request ().get_payload ();
+ p.name_filter_valid = 0;
+ memset (p.name_filter, 0, sizeof (p.name_filter));
+ auto rv = d.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ rv = con.wait_for_response (d);
+ ck_assert_int_eq (VAPI_OK, rv);
+ ck_assert_int_ne (0, swdcb.called);
+ std::array<Delete_loopback_cb, num_ifs> dcbs;
+ std::array<std::unique_ptr<Delete_loopback>, num_ifs> dlcs;
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ Delete_loopback *dl = new Delete_loopback (con, std::ref (dcbs[i]));
+ dlcs[i].reset (dl);
+ auto &p = dl->get_request ().get_payload ();
+ p.sw_if_index = ccbs[i].sw_if_index;
+ dcbs[i].sw_if_index = ccbs[i].sw_if_index;
+ auto e = dl->execute ();
+ ck_assert_int_eq (VAPI_OK, e);
+ }
+ con.dispatch ();
+ for (auto &x : dcbs)
+ {
+ ck_assert_int_eq (true, x.called);
+ printf ("Deleted loopback with sw_if_index %u\n", x.sw_if_index);
+ }
+
+ { // new context
+ Sw_interface_dump d (con);
+ auto &p = d.get_request ().get_payload ();
+ p.name_filter_valid = 0;
+ memset (p.name_filter, 0, sizeof (p.name_filter));
+ auto rv = d.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ rv = con.wait_for_response (d);
+ ck_assert_int_eq (VAPI_OK, rv);
+ auto &rs = d.get_result_set ();
+ for (auto &r : rs)
+ {
+ auto &p = r.get_payload ();
+ for (int i = 0; i < num_ifs; ++i)
+ {
+ ck_assert_int_ne (ccbs[i].sw_if_index, p.sw_if_index);
+ }
+ }
+ }
+}
+
+END_TEST;
+
+START_TEST (test_stats_1)
+{
+ printf ("--- Receive single stats by waiting for response ---\n");
+ Want_stats ws (con);
+ auto &payload = ws.get_request ().get_payload ();
+ payload.enable_disable = 1;
+ payload.pid = getpid ();
+ auto rv = ws.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ Event_registration<Vnet_interface_simple_counters> sc (con);
+ rv = con.wait_for_response (sc);
+ ck_assert_int_eq (VAPI_OK, rv);
+ auto &rs = sc.get_result_set ();
+ int count = 0;
+ for (auto &r : rs)
+ {
+ printf ("simple counters: first_sw_if_index=%u\n",
+ r.get_payload ().first_sw_if_index);
+ ++count;
+ }
+ ck_assert_int_ne (0, count);
+}
+
+END_TEST;
+
+struct Vnet_interface_simple_counters_cb
+{
+ Vnet_interface_simple_counters_cb () : called{0} {};
+ int called;
+ vapi_error_e
+ operator() (Event_registration<Vnet_interface_simple_counters> &e)
+ {
+ ++called;
+ auto &rs = e.get_result_set ();
+ int count = 0;
+ for (auto &r : rs)
+ {
+ printf ("simple counters: first_sw_if_index=%u\n",
+ r.get_payload ().first_sw_if_index);
+ ++count;
+ }
+ ck_assert_int_ne (0, count);
+ return VAPI_OK;
+ }
+};
+
+START_TEST (test_stats_2)
+{
+ printf ("--- Receive single stats by getting a callback ---\n");
+ Want_stats ws (con);
+ auto &payload = ws.get_request ().get_payload ();
+ payload.enable_disable = 1;
+ payload.pid = getpid ();
+ auto rv = ws.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ Vnet_interface_simple_counters_cb cb;
+ Event_registration<Vnet_interface_simple_counters> sc (con, std::ref (cb));
+ rv = con.wait_for_response (sc);
+ ck_assert_int_eq (VAPI_OK, rv);
+ ck_assert_int_ne (0, cb.called);
+}
+
+END_TEST;
+
+struct Vnet_interface_simple_counters_2_cb
+{
+ Vnet_interface_simple_counters_2_cb () : called{0}, total{0} {};
+ int called;
+ int total;
+ vapi_error_e
+ operator() (Event_registration<Vnet_interface_simple_counters> &e)
+ {
+ ++called;
+ auto &rs = e.get_result_set ();
+ int count = 0;
+ for (auto &r : rs)
+ {
+ printf ("simple counters: first_sw_if_index=%u\n",
+ r.get_payload ().first_sw_if_index);
+ ++count;
+ }
+ rs.free_all_responses ();
+ ck_assert_int_ne (0, count);
+ total += count;
+ return VAPI_OK;
+ }
+};
+
+START_TEST (test_stats_3)
+{
+ printf (
+ "--- Receive single stats by getting a callback - clear results ---\n");
+ Want_stats ws (con);
+ auto &payload = ws.get_request ().get_payload ();
+ payload.enable_disable = 1;
+ payload.pid = getpid ();
+ auto rv = ws.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ Vnet_interface_simple_counters_2_cb cb;
+ Event_registration<Vnet_interface_simple_counters> sc (con, std::ref (cb));
+ for (int i = 0; i < 5; ++i)
+ {
+ rv = con.wait_for_response (sc);
+ }
+ ck_assert_int_eq (VAPI_OK, rv);
+ ck_assert_int_eq (5, cb.called);
+ ck_assert_int_eq (5, cb.total);
+}
+
+END_TEST;
+
+START_TEST (test_stats_4)
+{
+ printf ("--- Receive multiple stats by waiting for response ---\n");
+ Want_stats ws (con);
+ auto &payload = ws.get_request ().get_payload ();
+ payload.enable_disable = 1;
+ payload.pid = getpid ();
+ auto rv = ws.execute ();
+ ck_assert_int_eq (VAPI_OK, rv);
+ Event_registration<Vnet_interface_simple_counters> sc (con);
+ Event_registration<Vnet_interface_combined_counters> cc (con);
+ rv = con.wait_for_response (sc);
+ ck_assert_int_eq (VAPI_OK, rv);
+ rv = con.wait_for_response (cc);
+ ck_assert_int_eq (VAPI_OK, rv);
+ int count = 0;
+ for (auto &r : sc.get_result_set ())
+ {
+ printf ("simple counters: first_sw_if_index=%u\n",
+ r.get_payload ().first_sw_if_index);
+ ++count;
+ }
+ ck_assert_int_ne (0, count);
+ count = 0;
+ for (auto &r : cc.get_result_set ())
+ {
+ printf ("combined counters: first_sw_if_index=%u\n",
+ r.get_payload ().first_sw_if_index);
+ ++count;
+ }
+ ck_assert_int_ne (0, count);
+}
+
+END_TEST;
+
+START_TEST (test_unsupported)
+{
+ printf ("--- Unsupported messages ---\n");
+ bool thrown = false;
+ try
+ {
+ Test_fake_msg fake (con);
+ }
+ catch (const Msg_not_available_exception &)
+ {
+ thrown = true;
+ printf ("Constructing unsupported msg not possible - test pass.\n");
+ }
+ ck_assert_int_eq (true, thrown);
+ thrown = false;
+ try
+ {
+ Test_fake_dump fake (con);
+ }
+ catch (const Msg_not_available_exception &)
+ {
+ thrown = true;
+ printf ("Constructing unsupported dump not possible - test pass.\n");
+ }
+ ck_assert_int_eq (true, thrown);
+ thrown = false;
+ try
+ {
+ Event_registration<Test_fake_details> fake (con);
+ }
+ catch (const Msg_not_available_exception &)
+ {
+ thrown = true;
+ printf ("Constructing unsupported event registration not possible - "
+ "test pass.\n");
+ }
+ ck_assert_int_eq (true, thrown);
+}
+
+END_TEST;
+
+Suite *test_suite (void)
+{
+ Suite *s = suite_create ("VAPI test");
+
+ TCase *tc_cpp_api = tcase_create ("C++ API");
+ tcase_set_timeout (tc_cpp_api, 25);
+ tcase_add_checked_fixture (tc_cpp_api, setup, teardown);
+ tcase_add_test (tc_cpp_api, test_show_version_1);
+ tcase_add_test (tc_cpp_api, test_show_version_2);
+ tcase_add_test (tc_cpp_api, test_loopbacks_1);
+ tcase_add_test (tc_cpp_api, test_loopbacks_2);
+ tcase_add_test (tc_cpp_api, test_stats_1);
+ tcase_add_test (tc_cpp_api, test_stats_2);
+ tcase_add_test (tc_cpp_api, test_stats_3);
+ tcase_add_test (tc_cpp_api, test_stats_4);
+ tcase_add_test (tc_cpp_api, test_unsupported);
+ suite_add_tcase (s, tc_cpp_api);
+
+ return s;
+}
+
+int main (int argc, char *argv[])
+{
+ if (3 != argc)
+ {
+ printf ("Invalid argc==`%d'\n", argc);
+ return EXIT_FAILURE;
+ }
+ app_name = argv[1];
+ api_prefix = argv[2];
+ printf ("App name: `%s', API prefix: `%s'\n", app_name, api_prefix);
+
+ int number_failed;
+ Suite *s;
+ SRunner *sr;
+
+ s = test_suite ();
+ sr = srunner_create (s);
+
+ srunner_run_all (sr, CK_NORMAL);
+ number_failed = srunner_ntests_failed (sr);
+ srunner_free (sr);
+ return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */