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1 /*
2  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3  * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice, this list of
9  * conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12  * of conditions and the following disclaimer in the documentation and/or other materials
13  * provided with the distribution.
14  *
15  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16  * to endorse or promote products derived from this software without specific prior written
17  * permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include "it_test_liteipc.h"
33 #include "signal.h"
34 #include "sys/wait.h"
35 
36 #include "unistd.h"
37 #include "liteipc.h"
38 #include "stdlib.h"
39 #include "stdio.h"
40 #include "string.h"
41 #include "sys/ioctl.h"
42 #include "sys/time.h"
43 
44 #include "smgr_demo.h"
45 
46 ServiceName g_serviceNameMap[MAX_SREVICE_NUM];
47 BOOL g_cmsRunningFlag = FALSE;
48 
InitCms()49 static void InitCms()
50 {
51     (void)memset_s(g_serviceNameMap, sizeof(g_serviceNameMap), 0, sizeof(g_serviceNameMap));
52 }
53 
SetCms(int fd)54 uint32_t SetCms(int fd)
55 {
56     return ioctl(fd, IPC_SET_CMS, 200);
57 }
58 
SendReply(int fd,IpcMsg * dataIn,uint32_t result,uint32_t serviceHandle)59 void SendReply(int fd, IpcMsg *dataIn, uint32_t result, uint32_t serviceHandle)
60 {
61     IpcContent data1;
62     IpcMsg dataOut;
63     unsigned int ret;
64     uint32_t ptr[2];
65 
66     data1.flag = SEND | BUFF_FREE;
67     data1.buffToFree = dataIn;
68     data1.outMsg = &dataOut;
69     (void)memset_s(data1.outMsg, sizeof(IpcMsg), 0, sizeof(IpcMsg));
70     data1.outMsg->type = MT_REPLY;
71     data1.outMsg->target.handle = dataIn->taskID;
72     data1.outMsg->target.token = dataIn->target.token;
73     data1.outMsg->code = dataIn->code;
74 #if (USE_TIMESTAMP == 1)
75     data1.outMsg->timestamp = dataIn->timestamp;
76 #endif
77     ptr[0] = result;
78     ptr[1] = serviceHandle;
79     data1.outMsg->dataSz = 8;
80     data1.outMsg->data = ptr;
81     ret = ioctl(fd, IPC_SEND_RECV_MSG, &data1);
82     if (ret) {
83         printf("SendReply failed\n");
84     }
85 }
86 
FreeBuffer(int fd,IpcMsg * dataIn)87 void FreeBuffer(int fd, IpcMsg *dataIn)
88 {
89     IpcContent data1;
90     unsigned int ret;
91     data1.flag = BUFF_FREE;
92     data1.buffToFree = dataIn;
93     ret = ioctl(fd, IPC_SEND_RECV_MSG, &data1);
94     if (ret) {
95         printf("FreeBuffer failed\n");
96     }
97 }
98 
SendCmsCmd(int fd,CmsCmdContent * content)99 static uint32_t SendCmsCmd(int fd, CmsCmdContent *content)
100 {
101     unsigned int ret;
102     ret = ioctl(fd, IPC_CMS_CMD, content);
103     if (ret) {
104         printf("SendCmsCmd failed\n");
105     }
106     return ret;
107 }
108 
RegService(int fd,char * serviceName,uint32_t nameLen,uint32_t * serviceHandle)109 uint32_t RegService(int fd, char *serviceName, uint32_t nameLen, uint32_t *serviceHandle)
110 {
111     IpcContent data1;
112     IpcMsg dataIn;
113     IpcMsg dataOut;
114     uint32_t ret;
115     uint32_t *ptr = nullptr;
116     ServiceName name;
117 
118     if (nameLen > NAME_LEN_MAX) {
119         return -1;
120     }
121     (void)memcpy_s(name.serviceName, nameLen, serviceName, nameLen);
122     name.nameLen = nameLen;
123 
124     data1.flag = SEND | RECV;
125     data1.outMsg = &dataOut;
126     (void)memset_s(data1.outMsg, sizeof(IpcMsg), 0, sizeof(IpcMsg));
127     data1.outMsg->type = MT_REQUEST;
128     data1.outMsg->target.handle = 0;
129     data1.outMsg->code = REG_CODE;
130     data1.outMsg->dataSz = sizeof(ServiceName);
131     data1.outMsg->data = &name;
132 
133     ret = ioctl(fd, IPC_SEND_RECV_MSG, &data1);
134     if (ret != 0) {
135         printf("RegService failed\n");
136         return ret;
137     }
138     ptr = (uint32_t*)(data1.inMsg->data);
139     *serviceHandle = ptr[1];
140     FreeBuffer(fd, data1.inMsg);
141     return ptr[0];
142 }
143 
GetService(int fd,char * serviceName,uint32_t nameLen,uint32_t * serviceHandle)144 uint32_t GetService(int fd, char *serviceName, uint32_t nameLen, uint32_t *serviceHandle)
145 {
146     IpcContent data1;
147     IpcMsg dataIn;
148     IpcMsg dataOut;
149     uint32_t ret;
150     uint32_t *ptr = nullptr;
151     ServiceName name;
152 
153     if (nameLen > NAME_LEN_MAX) {
154         return -1;
155     }
156     (void)memcpy_s(name.serviceName, nameLen, serviceName, nameLen);
157     name.nameLen = nameLen;
158 
159     data1.flag = SEND | RECV;
160     data1.outMsg = &dataOut;
161     (void)memset_s(data1.outMsg, sizeof(IpcMsg), 0, sizeof(IpcMsg));
162     data1.outMsg->type = MT_REQUEST;
163     data1.outMsg->target.handle = 0;
164     data1.outMsg->code = GET_CODE;
165     data1.outMsg->dataSz = sizeof(ServiceName);
166     data1.outMsg->data = &name;
167 
168     ret = ioctl(fd, IPC_SEND_RECV_MSG, &data1);
169     if (ret != 0) {
170         return ret;
171     }
172     ptr = (uint32_t*)(data1.inMsg->data);
173     *serviceHandle = ptr[1];
174     FreeBuffer(fd, data1.inMsg);
175     return ptr[0];
176 }
177 
HandleServiceRegAndGet(int fd,IpcMsg * data)178 static void HandleServiceRegAndGet(int fd, IpcMsg *data)
179 {
180     uint32_t ret, i;
181 
182     if (data->code == STOP_CODE) {
183         g_cmsRunningFlag = FALSE;
184         return;
185     }
186 
187     ServiceName *info = (ServiceName*)(data->data);
188     CmsCmdContent content;
189     if ((info->nameLen == 0) || (info->serviceName == NULL)) {
190         goto ERROR_EXIT;
191     }
192     for (i = 0; i < MAX_SREVICE_NUM; i++) {
193         if (g_serviceNameMap[i].serviceName != NULL && g_serviceNameMap[i].nameLen == info->nameLen) {
194             if(memcmp(g_serviceNameMap[i].serviceName, info->serviceName, info->nameLen) == 0) {
195                 break;
196             }
197         }
198     }
199     printf("receive service request, code:%d, service name:%s\n", data->code, info->serviceName);
200     switch (data->code) {
201         case REG_CODE:
202             if (i == MAX_SREVICE_NUM) {
203                 content.cmd = CMS_GEN_HANDLE;
204                 content.taskID = data->taskID;
205                 ret = SendCmsCmd(fd, &content);
206                 if (ret) {
207                     goto ERROR_EXIT;
208                 }
209                 if (g_serviceNameMap[content.serviceHandle].serviceName != NULL && g_serviceNameMap[content.serviceHandle].nameLen == info->nameLen) {
210                     printf("the task has already a service named:%s\n", g_serviceNameMap[content.serviceHandle].serviceName);
211                     goto ERROR_REG;
212                 } else {
213                     (void)memcpy_s(g_serviceNameMap[content.serviceHandle].serviceName, info->nameLen,
214                                    info->serviceName, info->nameLen);
215                     g_serviceNameMap[content.serviceHandle].nameLen = info->nameLen;
216                     SendReply(fd, data, 0, content.serviceHandle);
217                 }
218             }else {
219                 printf("this service already registered\n");
220                 goto ERROR_EXIT;
221             }
222             break;
223         case GET_CODE:
224             if (i == MAX_SREVICE_NUM) {
225                 goto ERROR_EXIT;
226             }else {
227                 content.cmd = CMS_ADD_ACCESS;
228                 content.taskID = data->taskID;
229                 content.serviceHandle = i;
230                 SendCmsCmd(fd, &content);
231                 SendReply(fd, data, 0, i);
232             }
233             break;
234         default:
235             break;
236     }
237     return;
238 ERROR_REG:
239     content.cmd = CMS_REMOVE_HANDLE;
240     SendCmsCmd(fd, &content);
241 ERROR_EXIT:
242     SendReply(fd, data, -1, 0);
243 }
244 
CmsLoop(int fd)245 static uint32_t CmsLoop(int fd)
246 {
247     IpcContent data1;
248     IpcMsg dataIn;
249     IpcMsg dataOut;
250     uint32_t ret;
251     g_cmsRunningFlag = TRUE;
252     while (g_cmsRunningFlag == TRUE) {
253         data1.flag = RECV;
254         ret = ioctl(fd, IPC_SEND_RECV_MSG, &data1);
255         if (ret != 0) {
256             printf("bad request!\n");
257             continue;
258         }
259         switch (data1.inMsg->type) {
260             case MT_REQUEST:
261                 HandleServiceRegAndGet(fd, data1.inMsg);
262                 break;
263             default:
264                 printf("request not support:%d!\n", data1.inMsg->type);
265                 FreeBuffer(fd, data1.inMsg);
266                 break;
267         }
268     }
269 }
270 
StartCms(int fd)271 void StartCms(int fd)
272 {
273     InitCms();
274     CmsLoop(fd);
275 }
276 
StopCms(int fd)277 void StopCms(int fd)
278 {
279     IpcContent data1;
280     IpcMsg dataOut;
281     int ret;
282 
283     data1.flag = SEND;
284     data1.outMsg = &dataOut;
285     (void)memset_s(data1.outMsg, sizeof(IpcMsg), 0, sizeof(IpcMsg));
286     data1.outMsg->type = MT_REQUEST;
287     data1.outMsg->target.handle = 0;
288     data1.outMsg->code = STOP_CODE;
289     data1.outMsg->dataSz = 0;
290     data1.outMsg->data = 0;
291 
292     ret = ioctl(fd, IPC_SEND_RECV_MSG, &data1);
293     if (ret != 0) {
294         printf("StopCms failed ioctl ret:%d!\n", ret);
295     }
296 }
297 
298