opc source code

2026-06-09 17:27:24 +08:00
parent 70f675a48b
commit f0da5cb3c3
2002 changed files with 269812 additions and 7 deletions
--- a/third_party/open62541/tests/check_eventloop_udp.c
+++ b/third_party/open62541/tests/check_eventloop_udp.c
@@ -0,0 +1,538 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <open62541/plugin/eventloop.h>
+#include <open62541/plugin/log_stdout.h>
+#include "open62541/types.h"
+#include "open62541/types_generated.h"
+
+#include "testing_clock.h"
+#include <time.h>
+#include <stdlib.h>
+#include <check.h>
+
+static UA_EventLoop *el;
+static char *testMsg = "open62541";
+static uintptr_t clientId;
+static UA_Boolean received;
+
+typedef struct TestContext {
+    unsigned connCount;
+} TestContext;
+
+static void
+connectionCallback(UA_ConnectionManager *cm, uintptr_t connectionId,
+                   void *application, void **connectionContext,
+                   UA_ConnectionState status,
+                   const UA_KeyValueMap *params,
+                   UA_ByteString msg) {
+    TestContext *ctx = (TestContext*) *connectionContext;
+    if(status == UA_CONNECTIONSTATE_CLOSING) {
+        UA_LOG_DEBUG(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND,
+                     "Closing connection %u", (unsigned)connectionId);
+    } else {
+        if(msg.length == 0) {
+            UA_LOG_DEBUG(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND,
+                         "Opening connection %u", (unsigned)connectionId);
+        } else {
+            UA_LOG_DEBUG(UA_Log_Stdout, UA_LOGCATEGORY_USERLAND,
+                         "Received a message of length %u", (unsigned)msg.length);
+        }
+    }
+
+    if(msg.length == 0 && status == UA_CONNECTIONSTATE_ESTABLISHED) {
+        ctx->connCount++;
+        clientId = connectionId;
+
+        /* The remote-hostname is set during the first callback */
+        if(!UA_KeyValueMap_isEmpty(params)) {
+            const void *hn =
+                UA_KeyValueMap_getScalar(params,
+                                         UA_QUALIFIEDNAME(0, "remote-hostname"),
+                                         &UA_TYPES[UA_TYPES_STRING]);
+            ck_assert(hn != NULL);
+        }
+    }
+
+    if(status == UA_CONNECTIONSTATE_CLOSING)
+        ctx->connCount--;
+
+    if(msg.length > 0) {
+        UA_ByteString rcv = UA_BYTESTRING(testMsg);
+        ck_assert(UA_String_equal(&msg, &rcv));
+        received = true;
+    }
+}
+
+START_TEST(listenUDP) {
+    UA_ConnectionManager *cm = UA_ConnectionManager_new_POSIX_UDP(UA_STRING("udpCM"));
+    el = UA_EventLoop_new_POSIX(UA_Log_Stdout);
+    el->registerEventSource(el, &cm->eventSource);
+    el->start(el);
+
+    TestContext testContext = {0};
+
+    UA_Boolean listen = true;
+    UA_UInt16 port = 4840;
+
+    UA_KeyValuePair params[2];
+    UA_KeyValueMap paramsMap = {2, params};
+    params[0].key = UA_QUALIFIEDNAME(0, "port");
+    UA_Variant_setScalar(&params[0].value, &port, &UA_TYPES[UA_TYPES_UINT16]);
+    params[1].key = UA_QUALIFIEDNAME(0, "listen");
+    UA_Variant_setScalar(&params[1].value, &listen, &UA_TYPES[UA_TYPES_BOOLEAN]);
+
+    cm->openConnection(cm, &paramsMap, NULL, &testContext, connectionCallback);
+
+    ck_assert(testContext.connCount > 0);
+
+    for(size_t i = 0; i < 10; i++) {
+        UA_DateTime next = el->run(el, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+
+    /* Stop the EventLoop */
+    int max_stop_iteration_count = 1000;
+    int iteration = 0;
+    el->stop(el);
+    while(el->state != UA_EVENTLOOPSTATE_STOPPED &&
+          iteration < max_stop_iteration_count) {
+        UA_DateTime next = el->run(el, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+        iteration++;
+    }
+    el->free(el);
+    el = NULL;
+
+    ck_assert_uint_eq(testContext.connCount, 0);
+} END_TEST
+
+START_TEST(connectUDPValidationSucceeds) {
+    UA_ConnectionManager *cm = UA_ConnectionManager_new_POSIX_UDP(UA_STRING("udpCM"));
+    el = UA_EventLoop_new_POSIX(UA_Log_Stdout);
+    el->registerEventSource(el, &cm->eventSource);
+    el->start(el);
+
+    UA_UInt16 port = 30000;
+    UA_Boolean validate = true;
+    UA_Boolean listen = true;
+
+    UA_KeyValuePair params[4];
+    UA_KeyValueMap paramsMap = {4, params};
+
+    params[0].key = UA_QUALIFIEDNAME(0, "port");
+    UA_Variant_setScalar(&params[0].value, &port, &UA_TYPES[UA_TYPES_UINT16]);
+
+    UA_String hostname = UA_STRING("127.0.0.1");
+    params[1].key = UA_QUALIFIEDNAME(0, "address");
+    UA_Variant_setArray(&params[1].value, &hostname, 1, &UA_TYPES[UA_TYPES_STRING]);
+
+    params[2].key = UA_QUALIFIEDNAME(0, "validate");
+    UA_Variant_setScalar(&params[2].value, &validate, &UA_TYPES[UA_TYPES_BOOLEAN]);
+
+    params[3].key = UA_QUALIFIEDNAME(0, "listen");
+    UA_Variant_setScalar(&params[3].value, &listen, &UA_TYPES[UA_TYPES_BOOLEAN]);
+
+    TestContext testContext;
+    testContext.connCount = 0;
+
+    UA_StatusCode retval =
+        cm->openConnection(cm, &paramsMap, NULL, &testContext, connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    /* Open a client connection */
+    clientId = 0;
+    listen = false;
+    UA_String targetHost = UA_STRING("localhost");
+    UA_Variant_setScalar(&params[1].value, &targetHost, &UA_TYPES[UA_TYPES_STRING]);
+
+    retval = cm->openConnection(cm, &paramsMap, NULL, &testContext, connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    el->stop(el);
+    while(el->state != UA_EVENTLOOPSTATE_STOPPED) {
+        el->run(el, 100);
+    }
+    el->free(el);
+    el = NULL;
+}
+END_TEST
+
+START_TEST(connectUDPValidationFails) {
+    UA_ConnectionManager *cm = UA_ConnectionManager_new_POSIX_UDP(UA_STRING("udpCM"));
+    el = UA_EventLoop_new_POSIX(UA_Log_Stdout);
+    el->registerEventSource(el, &cm->eventSource);
+    el->start(el);
+
+    UA_UInt16 port = 30000;
+    UA_Boolean validate = true;
+
+    UA_KeyValuePair params[3];
+    UA_KeyValueMap paramsMap = {3, params};
+
+    params[0].key = UA_QUALIFIEDNAME(0, "port");
+    UA_Variant_setScalar(&params[0].value, &port, &UA_TYPES[UA_TYPES_UINT16]);
+
+    UA_String hostname = UA_STRING("300.300.300.300");
+    params[1].key = UA_QUALIFIEDNAME(0, "address");
+    UA_Variant_setArray(&params[1].value, &hostname, 1, &UA_TYPES[UA_TYPES_STRING]);
+
+    params[2].key = UA_QUALIFIEDNAME(0, "validate");
+    UA_Variant_setScalar(&params[2].value, &validate, &UA_TYPES[UA_TYPES_BOOLEAN]);
+
+    TestContext testContext;
+    testContext.connCount = 0;
+
+    UA_StatusCode retval =
+        cm->openConnection(cm, &paramsMap, NULL, &testContext, connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_BADCONNECTIONREJECTED);
+
+    /* Open a client connection */
+    clientId = 0;
+    UA_String targetHost = UA_STRING("localho");
+    UA_Variant_setScalar(&params[1].value, &targetHost, &UA_TYPES[UA_TYPES_STRING]);
+
+    retval = cm->openConnection(cm, &paramsMap, NULL, &testContext, connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_BADCONNECTIONREJECTED);
+
+    el->stop(el);
+    while(el->state != UA_EVENTLOOPSTATE_STOPPED) {
+        el->run(el, 100);
+    }
+    el->free(el);
+    el = NULL;
+}
+END_TEST
+
+START_TEST(connectUDP) {
+    UA_ConnectionManager *cm = UA_ConnectionManager_new_POSIX_UDP(UA_STRING("udpCM"));
+    el = UA_EventLoop_new_POSIX(UA_Log_Stdout);
+    el->registerEventSource(el, &cm->eventSource);
+    el->start(el);
+
+    UA_UInt16 port = 30000;
+    UA_Boolean listen = true;
+    UA_String targetHost = UA_STRING("localhost");
+
+    UA_KeyValuePair params[3];
+    params[0].key = UA_QUALIFIEDNAME(0, "port");
+    UA_Variant_setScalar(&params[0].value, &port, &UA_TYPES[UA_TYPES_UINT16]);
+    params[1].key = UA_QUALIFIEDNAME(0, "listen");
+    UA_Variant_setScalar(&params[1].value, &listen, &UA_TYPES[UA_TYPES_BOOLEAN]);
+    params[2].key = UA_QUALIFIEDNAME(0, "address");
+    UA_Variant_setScalar(&params[2].value, &targetHost, &UA_TYPES[UA_TYPES_STRING]);
+
+    UA_KeyValueMap paramsMap = {2, params}; /* hide the third parameter */
+    TestContext testContext;
+    testContext.connCount = 0;
+
+    UA_StatusCode retval =
+        cm->openConnection(cm, &paramsMap, NULL, &testContext, connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    size_t listenSockets = testContext.connCount;
+
+    /* Open a client connection */
+    listen = false;
+    paramsMap.mapSize = 3;
+    retval = cm->openConnection(cm, &paramsMap, NULL, &testContext, connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = el->run(el, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert(clientId != 0);
+    ck_assert_uint_eq(testContext.connCount, listenSockets + 1);
+
+    /* Send a message from the client */
+    received = false;
+    UA_ByteString snd;
+    retval = cm->allocNetworkBuffer(cm, clientId, &snd, strlen(testMsg));
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    memcpy(snd.data, testMsg, strlen(testMsg));
+    retval = cm->sendWithConnection(cm, clientId, &UA_KEYVALUEMAP_NULL, &snd);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = el->run(el, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert(received);
+
+    /* Close the connection */
+    retval = cm->closeConnection(cm, clientId);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    ck_assert_uint_eq(testContext.connCount, listenSockets + 1);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = el->run(el, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert_uint_eq(testContext.connCount, listenSockets);
+
+    /* Stop the EventLoop */
+    int max_stop_iteration_count = 10;
+    int iteration = 0;
+    el->stop(el);
+    while(el->state != UA_EVENTLOOPSTATE_STOPPED &&
+          iteration < max_stop_iteration_count) {
+        UA_DateTime next = el->run(el, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+        iteration++;
+    }
+    ck_assert(el->state == UA_EVENTLOOPSTATE_STOPPED);
+    el->free(el);
+    el = NULL;
+} END_TEST
+
+START_TEST(udpTalkerAndListener) {
+    /* create listener eventloop */
+    UA_EventLoop *elListener = UA_EventLoop_new_POSIX(UA_Log_Stdout);
+    UA_ConnectionManager *cmListener = UA_ConnectionManager_new_POSIX_UDP(UA_STRING("udpCM"));
+    elListener->registerEventSource(elListener, &cmListener->eventSource);
+    elListener->start(elListener);
+
+    UA_EventLoop *elTalker = UA_EventLoop_new_POSIX(UA_Log_Stdout);
+    UA_ConnectionManager *cmTalker = UA_ConnectionManager_new_POSIX_UDP(UA_STRING("udpCM"));
+    elTalker->registerEventSource(elTalker, &cmTalker->eventSource);
+    elTalker->start(elTalker);
+
+    /* Open a listener connection */
+    UA_UInt16 port = 30000;
+    UA_Boolean listen = true;
+
+    UA_KeyValuePair params[3];
+    UA_KeyValueMap paramsMap = {2, params}; /* Hide some parameters */
+    params[0].key = UA_QUALIFIEDNAME(0, "port");
+    UA_Variant_setScalar(&params[0].value, &port, &UA_TYPES[UA_TYPES_UINT16]);
+    params[1].key = UA_QUALIFIEDNAME(0, "listen");
+    UA_Variant_setScalar(&params[1].value, &listen, &UA_TYPES[UA_TYPES_BOOLEAN]);
+
+    TestContext testContext;
+    testContext.connCount = 0;
+
+    UA_StatusCode retval =
+        cmListener->openConnection(cmListener, &paramsMap, NULL, &testContext,
+                                   connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    size_t listenSockets = testContext.connCount;
+
+    /* Open a talker connection */
+    clientId = 0;
+    listen = false;
+
+    UA_String targetHost = UA_STRING("localhost");
+    params[2].key = UA_QUALIFIEDNAME(0, "address");
+    UA_Variant_setScalar(&params[2].value, &targetHost, &UA_TYPES[UA_TYPES_STRING]);
+    paramsMap.mapSize = 3;
+
+    retval = cmTalker->openConnection(cmTalker, &paramsMap, NULL, &testContext,
+                                      connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    /* The talker el should receive a signal "ready to be written on" */
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = elTalker->run(elTalker, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert_uint_ne(clientId, 0);
+    ck_assert_uint_eq(testContext.connCount, listenSockets + 1);
+
+    /* Send a message from the talker */
+    received = false;
+    UA_ByteString snd;
+    retval = cmTalker->allocNetworkBuffer(cmTalker, clientId, &snd, strlen(testMsg));
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    memcpy(snd.data, testMsg, strlen(testMsg));
+    retval = cmTalker->sendWithConnection(cmTalker, clientId, &UA_KEYVALUEMAP_NULL, &snd);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = elListener->run(elListener, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert(received);
+
+    /* Close the connection */
+    retval = cmTalker->closeConnection(cmTalker, clientId);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    ck_assert_uint_eq(testContext.connCount, listenSockets + 1);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = elTalker->run(elTalker, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert_uint_eq(testContext.connCount, listenSockets);
+
+    /* Stop the Talker EventLoop */
+    int max_stop_iteration_count = 10;
+    int iteration = 0;
+    elTalker->stop(elTalker);
+    while(elTalker->state != UA_EVENTLOOPSTATE_STOPPED &&
+          iteration < max_stop_iteration_count) {
+        UA_DateTime next = elTalker->run(elTalker, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+        iteration++;
+    }
+    ck_assert_int_eq(elTalker->state, UA_EVENTLOOPSTATE_STOPPED);
+    elTalker->free(elTalker);
+    elTalker = NULL;
+
+    /* Stop the Listener EventLoop */
+    max_stop_iteration_count = 10;
+    iteration = 0;
+    elListener->stop(elListener);
+    while(elListener->state != UA_EVENTLOOPSTATE_STOPPED &&
+          iteration < max_stop_iteration_count) {
+        UA_DateTime next = elListener->run(elListener, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+        iteration++;
+    }
+    ck_assert(elListener->state == UA_EVENTLOOPSTATE_STOPPED);
+    elListener->free(elListener);
+    elListener = NULL;
+
+    ck_assert_uint_eq(testContext.connCount, 0);
+} END_TEST
+
+START_TEST(udpTalkerAndListenerDifferentDestination) {
+    /* create listener eventloop */
+    UA_EventLoop *elListener = UA_EventLoop_new_POSIX(UA_Log_Stdout);
+    UA_ConnectionManager *cmListener = UA_ConnectionManager_new_POSIX_UDP(UA_STRING("udpCM"));
+    elListener->registerEventSource(elListener, &cmListener->eventSource);
+    elListener->start(elListener);
+
+    UA_EventLoop *elTalker = UA_EventLoop_new_POSIX(UA_Log_Stdout);
+    UA_ConnectionManager *cmTalker = UA_ConnectionManager_new_POSIX_UDP(UA_STRING("udpCM"));
+    elTalker->registerEventSource(elTalker, &cmTalker->eventSource);
+    elTalker->start(elTalker);
+
+    /* Open a listener connection */
+    UA_UInt16 port = 30000;
+    UA_Boolean listen = true;
+
+    UA_KeyValuePair params[3];
+    UA_KeyValueMap paramsMap = {2, params}; /* hide some parameters */
+
+    params[0].key = UA_QUALIFIEDNAME(0, "port");
+    UA_Variant_setScalar(&params[0].value, &port, &UA_TYPES[UA_TYPES_UINT16]);
+    params[1].key = UA_QUALIFIEDNAME(0, "listen");
+    UA_Variant_setScalar(&params[1].value, &listen, &UA_TYPES[UA_TYPES_BOOLEAN]);
+
+    TestContext testContext;
+    testContext.connCount = 0;
+
+    UA_StatusCode retval =
+        cmListener->openConnection(cmListener, &paramsMap, NULL, &testContext,
+                                   connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    size_t listenSockets = testContext.connCount;
+
+    /* Open a talker connection */
+    clientId = 0;
+    listen = false;
+
+    UA_String connectionTargetHost = UA_STRING("localhost");
+    params[2].key = UA_QUALIFIEDNAME(0, "address");
+    UA_Variant_setScalar(&params[2].value, &connectionTargetHost, &UA_TYPES[UA_TYPES_STRING]);
+    paramsMap.mapSize = 3;
+
+    retval = cmTalker->openConnection(cmTalker, &paramsMap, NULL, &testContext,
+                                      connectionCallback);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    /* The talker el should receive a signal "ready to be written on" */
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = elTalker->run(elTalker, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert_uint_ne(clientId, 0);
+    ck_assert_uint_eq(testContext.connCount, listenSockets + 1);
+
+    /* Send a message from the talker */
+    received = false;
+    UA_ByteString snd;
+    retval = cmTalker->allocNetworkBuffer(cmTalker, clientId, &snd, strlen(testMsg));
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    memcpy(snd.data, testMsg, strlen(testMsg));
+
+    UA_KeyValuePair sendParams[2];
+    UA_String sendTargetHost = UA_STRING("127.0.0.1");
+    sendParams[0].key = UA_QUALIFIEDNAME(0, "port");
+    UA_Variant_setScalar(&sendParams[0].value, &port, &UA_TYPES[UA_TYPES_UINT16]);
+    sendParams[1].key = UA_QUALIFIEDNAME(0, "address");
+    UA_Variant_setScalar(&sendParams[1].value, &sendTargetHost, &UA_TYPES[UA_TYPES_STRING]);
+
+    UA_KeyValueMap sendParamsMap;
+    sendParamsMap.map = sendParams;
+    sendParamsMap.mapSize = 2;
+
+    retval = cmTalker->sendWithConnection(cmTalker, clientId, &sendParamsMap, &snd);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = elListener->run(elListener, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert(received);
+
+    /* Close the connection */
+    retval = cmTalker->closeConnection(cmTalker, clientId);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+    ck_assert_uint_eq(testContext.connCount, listenSockets + 1);
+    for(size_t i = 0; i < 2; i++) {
+        UA_DateTime next = elTalker->run(elTalker, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+    }
+    ck_assert_uint_eq(testContext.connCount, listenSockets);
+
+    /* Stop the Talker EventLoop */
+    int max_stop_iteration_count = 10;
+    int iteration = 0;
+    elTalker->stop(elTalker);
+    while(elTalker->state != UA_EVENTLOOPSTATE_STOPPED &&
+          iteration < max_stop_iteration_count) {
+        UA_DateTime next = elTalker->run(elTalker, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+        iteration++;
+    }
+    ck_assert_int_eq(elTalker->state, UA_EVENTLOOPSTATE_STOPPED);
+    elTalker->free(elTalker);
+    elTalker = NULL;
+
+    /* Stop the Listener EventLoop */
+    max_stop_iteration_count = 10;
+    iteration = 0;
+    elListener->stop(elListener);
+    while(elListener->state != UA_EVENTLOOPSTATE_STOPPED &&
+          iteration < max_stop_iteration_count) {
+        UA_DateTime next = elListener->run(elListener, 1);
+        UA_fakeSleep((UA_UInt32)((next - UA_DateTime_now()) / UA_DATETIME_MSEC));
+        iteration++;
+    }
+    ck_assert(elListener->state == UA_EVENTLOOPSTATE_STOPPED);
+    elListener->free(elListener);
+    elListener = NULL;
+
+    ck_assert_uint_eq(testContext.connCount, 0);
+} END_TEST
+
+int main(void) {
+    Suite *s  = suite_create("Test UDP EventLoop");
+    TCase *tc = tcase_create("test cases");
+    tcase_add_test(tc, listenUDP);
+    tcase_add_test(tc, connectUDP);
+    tcase_add_test(tc, connectUDPValidationFails);
+    tcase_add_test(tc, connectUDPValidationSucceeds);
+    tcase_add_test(tc, udpTalkerAndListener);
+    tcase_add_test(tc, udpTalkerAndListenerDifferentDestination);
+    suite_add_tcase(s, tc);
+
+    SRunner *sr = srunner_create(s);
+    srunner_set_fork_status(sr, CK_NOFORK);
+    srunner_run_all (sr, CK_NORMAL);
+    int number_failed = srunner_ntests_failed(sr);
+    srunner_free(sr);
+
+    return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}