1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include <signal.h>
16 #include <stdio.h>
17 #include <stdlib.h>
18 #include <termios.h>
19
20 #include "begetctl.h"
21 #include "shell.h"
22 #include "shell_utils.h"
23
24 static BShellHandle g_handle = NULL;
25 struct termios terminalState;
signalHandler(int signal)26 static void signalHandler(int signal)
27 {
28 tcsetattr(0, TCSAFLUSH, &terminalState);
29 demoExit();
30 exit(0);
31 }
32
ShellInput(char * data,int32_t len)33 static int32_t ShellInput(char *data, int32_t len)
34 {
35 for (int32_t i = 0; i < len; i++) {
36 data[i] = getchar();
37 }
38 return len;
39 }
40
GetShellHandle(void)41 BShellHandle GetShellHandle(void)
42 {
43 if (g_handle == NULL) {
44 BShellInfo info = {PARAM_SHELL_DEFAULT_PROMPT, ShellInput};
45 BShellEnvInit(&g_handle, &info);
46 }
47 return g_handle;
48 }
49
50 #ifndef STARTUP_INIT_TEST
main(int argc,char * args[])51 int main(int argc, char *args[])
52 {
53 (void)signal(SIGINT, signalHandler);
54 (void)signal(SIGKILL, signalHandler);
55 if (tcgetattr(0, &terminalState)) {
56 return -1;
57 }
58 struct termios tio;
59 if (tcgetattr(0, &tio)) {
60 return -1;
61 }
62 tio.c_lflag &= ~(ECHO | ICANON | ISIG);
63 tio.c_cc[VTIME] = 0;
64 tio.c_cc[VMIN] = 1;
65 tcsetattr(0, TCSAFLUSH, &tio);
66
67 BSH_LOGV("BShellEnvStart %d", argc);
68 do {
69 BShellHandle handle = GetShellHandle();
70 if (handle == NULL) {
71 printf("Failed to get shell handle \n");
72 return 0;
73 }
74 const ParamInfo *param = BShellEnvGetReservedParam(handle, PARAM_REVERESD_NAME_CURR_PARAMETER);
75 BSH_CHECK(param != NULL && param->type == PARAM_STRING, break, "Failed to get reversed param");
76 BShellEnvSetParam(handle, param->name, param->desc, param->type, (void *)"");
77 if (argc > 1) {
78 int ret = SetParamShellPrompt(handle, args[1]);
79 if (ret != 0) {
80 break;
81 }
82 }
83 BShellParamCmdRegister(handle, 1);
84 #ifdef INIT_TEST
85 BShellCmdRegister(handle, 1);
86 #endif
87 BShellEnvStart(handle);
88 BShellEnvLoop(handle);
89 } while (0);
90 demoExit();
91 tcsetattr(0, TCSAFLUSH, &terminalState);
92 return 0;
93 }
94 #endif
95