1 /*
2 * Copyright (c) 2019, The OpenThread Authors.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. Neither the name of the copyright holder nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "platform/openthread-posix-config.h"
30
31 #if !OPENTHREAD_POSIX_CONFIG_DAEMON_ENABLE
32
33 #include <openthread/config.h>
34 #include <openthread/openthread-system.h>
35
36 #include <assert.h>
37 #include <stdint.h>
38 #include <stdio.h>
39 #include <string.h>
40 #include <unistd.h>
41
42 #if defined(HAVE_LIBEDIT) || defined(HAVE_LIBREADLINE)
43
44 #if defined(HAVE_LIBEDIT)
45 #include <editline/readline.h>
46 #elif defined(HAVE_LIBREADLINE)
47 #include <readline/history.h>
48 #include <readline/readline.h>
49 #endif
50
51 #include <openthread/cli.h>
52
53 #include "cli/cli_config.h"
54 #include "common/code_utils.hpp"
55
56 #include "openthread-core-config.h"
57 #include "platform-posix.h"
58
59 static const char sPrompt[] = "> ";
60
InputCallback(char * aLine)61 static void InputCallback(char *aLine)
62 {
63 if (aLine != nullptr)
64 {
65 if (aLine[0] != '\0')
66 {
67 add_history(aLine);
68 otCliInputLine(aLine);
69 }
70 free(aLine);
71 }
72 else
73 {
74 exit(OT_EXIT_SUCCESS);
75 }
76 }
77
OutputCallback(void * aContext,const char * aFormat,va_list aArguments)78 static int OutputCallback(void *aContext, const char *aFormat, va_list aArguments)
79 {
80 OT_UNUSED_VARIABLE(aContext);
81
82 return vdprintf(STDOUT_FILENO, aFormat, aArguments);
83 }
84
otAppCliInit(otInstance * aInstance)85 extern "C" void otAppCliInit(otInstance *aInstance)
86 {
87 rl_instream = stdin;
88 rl_outstream = stdout;
89 rl_inhibit_completion = true;
90
91 rl_set_screen_size(0, OPENTHREAD_CONFIG_CLI_MAX_LINE_LENGTH);
92
93 rl_callback_handler_install(sPrompt, InputCallback);
94 otCliInit(aInstance, OutputCallback, nullptr);
95 }
96
otAppCliDeinit(void)97 extern "C" void otAppCliDeinit(void)
98 {
99 rl_callback_handler_remove();
100 }
101
otAppCliUpdate(otSysMainloopContext * aMainloop)102 extern "C" void otAppCliUpdate(otSysMainloopContext *aMainloop)
103 {
104 FD_SET(STDIN_FILENO, &aMainloop->mReadFdSet);
105 FD_SET(STDIN_FILENO, &aMainloop->mErrorFdSet);
106
107 if (aMainloop->mMaxFd < STDIN_FILENO)
108 {
109 aMainloop->mMaxFd = STDIN_FILENO;
110 }
111 }
112
otAppCliProcess(const otSysMainloopContext * aMainloop)113 extern "C" void otAppCliProcess(const otSysMainloopContext *aMainloop)
114 {
115 if (FD_ISSET(STDIN_FILENO, &aMainloop->mErrorFdSet))
116 {
117 exit(OT_EXIT_FAILURE);
118 }
119
120 if (FD_ISSET(STDIN_FILENO, &aMainloop->mReadFdSet))
121 {
122 rl_callback_read_char();
123 }
124 }
125
126 #endif // defined(HAVE_LIBEDIT) || defined(HAVE_LIBREADLINE)
127 #endif // !OPENTHREAD_POSIX_CONFIG_DAEMON_ENABLE
128
