1 /*
2 * FreeRTOS+TCP <DEVELOPMENT BRANCH>
3 * Copyright (C) 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
4 *
5 * SPDX-License-Identifier: MIT
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy of
8 * this software and associated documentation files (the "Software"), to deal in
9 * the Software without restriction, including without limitation the rights to
10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
11 * the Software, and to permit persons to whom the Software is furnished to do so,
12 * subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in all
15 * copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
19 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
20 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * http://aws.amazon.com/freertos
25 * http://www.FreeRTOS.org
26 */
27
28
29 /* Include Unity header */
30 #include "unity.h"
31
32 /* Include standard libraries */
33 #include <stdlib.h>
34 #include <string.h>
35 #include <stdint.h>
36
37 #include "mock_task.h"
38 #include "mock_list.h"
39
40 /* This must come after list.h is included (in this case, indirectly
41 * by mock_list.h). */
42 #include "mock_IP_DiffConfig2_list_macros.h"
43 #include "mock_queue.h"
44 #include "mock_event_groups.h"
45
46 #include "mock_FreeRTOS_IP_Private.h"
47 #include "mock_FreeRTOS_IP_Utils.h"
48 #include "mock_NetworkBufferManagement.h"
49 #include "mock_FreeRTOS_Routing.h"
50
51 #include "FreeRTOS_IP.h"
52
53 /*#include "FreeRTOS_IP_stubs.c" */
54 #include "catch_assert.h"
55
56 #include "FreeRTOSIPConfig.h"
57
58 /* =========================== EXTERN VARIABLES =========================== */
59
60 void prvIPTask( void * pvParameters );
61 void prvProcessIPEventsAndTimers( void );
62 eFrameProcessingResult_t prvProcessIPPacket( IPPacket_t * pxIPPacket,
63 NetworkBufferDescriptor_t * const pxNetworkBuffer );
64 void prvProcessEthernetPacket( NetworkBufferDescriptor_t * const pxNetworkBuffer );
65
66 extern BaseType_t xIPTaskInitialised;
67 extern BaseType_t xNetworkDownEventPending;
68 extern BaseType_t xNetworkUp;
69 extern UBaseType_t uxQueueMinimumSpace;
70
71 /* ============================ Unity Fixtures ============================ */
72
73 /*! called before each test case */
setUp(void)74 void setUp( void )
75 {
76 pxNetworkEndPoints = NULL;
77 pxNetworkInterfaces = NULL;
78 xNetworkDownEventPending = pdFALSE;
79 }
80
81 /*! called after each test case */
tearDown(void)82 void tearDown( void )
83 {
84 }
85
86 /* ======================== Stub Callback Functions ========================= */
87
88 TaskHandle_t IPInItHappyPath_xTaskHandleToSet = ( TaskHandle_t ) 0xCDBA9087;
StubxTaskCreate(TaskFunction_t pxTaskCode,const char * const pcName,const configSTACK_DEPTH_TYPE usStackDepth,void * const pvParameters,UBaseType_t uxPriority,TaskHandle_t * const pxCreatedTask)89 static BaseType_t StubxTaskCreate( TaskFunction_t pxTaskCode,
90 const char * const pcName, /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
91 const configSTACK_DEPTH_TYPE usStackDepth,
92 void * const pvParameters,
93 UBaseType_t uxPriority,
94 TaskHandle_t * const pxCreatedTask )
95 {
96 *pxCreatedTask = IPInItHappyPath_xTaskHandleToSet;
97 return pdPASS;
98 }
99
100 /* ============================== Test Cases ============================== */
101
102 /**
103 * @brief test_FreeRTOS_IPInit_HappyPathDHCP
104 * To validate if FreeRTOS_IPInit() works with DHCP enabled.
105 */
test_FreeRTOS_IPInit_HappyPathDHCP(void)106 void test_FreeRTOS_IPInit_HappyPathDHCP( void )
107 {
108 const uint8_t ucIPAddress[ ipIP_ADDRESS_LENGTH_BYTES ] = { 0xC0, 0xB0, 0xAB, 0x12 };
109 const uint8_t ucNetMask[ ipIP_ADDRESS_LENGTH_BYTES ] = { 0xC1, 0xB2, 0xAC, 0x13 };
110 const uint8_t ucGatewayAddress[ ipIP_ADDRESS_LENGTH_BYTES ] = { 0xC2, 0xB3, 0xAC, 0x14 };
111 const uint8_t ucDNSServerAddress[ ipIP_ADDRESS_LENGTH_BYTES ] = { 0xC3, 0xB4, 0xAD, 0x15 };
112 const uint8_t ucMACAddress[ ipMAC_ADDRESS_LENGTH_BYTES ] = { 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF };
113 BaseType_t xReturn;
114 QueueHandle_t ulPointerToQueue = ( QueueHandle_t ) 0x1234ABCD;
115
116 /* Set the local IP to something other than 0. */
117 *ipLOCAL_IP_ADDRESS_POINTER = 0xABCD;
118
119 FreeRTOS_FillEndPoint_Ignore();
120 FreeRTOS_FirstNetworkInterface_IgnoreAndReturn( pdTRUE );
121 pxFillInterfaceDescriptor_IgnoreAndReturn( pdTRUE );
122
123 vPreCheckConfigs_Expect();
124
125 xQueueGenericCreate_ExpectAndReturn( ipconfigEVENT_QUEUE_LENGTH, sizeof( IPStackEvent_t ), 0U, ulPointerToQueue );
126
127 #if ( configQUEUE_REGISTRY_SIZE > 0 )
128 vQueueAddToRegistry_Expect( ulPointerToQueue, "NetEvnt" );
129 #endif
130
131 xNetworkBuffersInitialise_ExpectAndReturn( pdPASS );
132
133 vNetworkSocketsInit_Expect();
134
135 xTaskCreate_Stub( StubxTaskCreate );
136
137 xReturn = FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
138
139 TEST_ASSERT_EQUAL( pdPASS, xReturn );
140 TEST_ASSERT_EQUAL( IPInItHappyPath_xTaskHandleToSet, FreeRTOS_GetIPTaskHandle() );
141 }
142