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
InputCallback(char * aLine)59 static void InputCallback(char *aLine)
60 {
61 if (aLine != nullptr)
62 {
63 if (aLine[0] != '\0')
64 {
65 add_history(aLine);
66 }
67 otCliInputLine(aLine);
68 free(aLine);
69 }
70 else
71 {
72 exit(OT_EXIT_SUCCESS);
73 }
74 }
75
OutputCallback(void * aContext,const char * aFormat,va_list aArguments)76 static int OutputCallback(void *aContext, const char *aFormat, va_list aArguments)
77 {
78 OT_UNUSED_VARIABLE(aContext);
79
80 return vdprintf(STDOUT_FILENO, aFormat, aArguments);
81 }
82
otAppCliInit(otInstance * aInstance)83 extern "C" void otAppCliInit(otInstance *aInstance)
84 {
85 rl_instream = stdin;
86 rl_outstream = stdout;
87 rl_inhibit_completion = true;
88
89 rl_set_screen_size(0, OPENTHREAD_CONFIG_CLI_MAX_LINE_LENGTH);
90
91 rl_callback_handler_install("", InputCallback);
92 rl_already_prompted = true;
93
94 otCliInit(aInstance, OutputCallback, nullptr);
95 }
96
otAppCliDeinit(void)97 extern "C" void otAppCliDeinit(void) { rl_callback_handler_remove(); }
98
otAppCliUpdate(otSysMainloopContext * aMainloop)99 extern "C" void otAppCliUpdate(otSysMainloopContext *aMainloop)
100 {
101 FD_SET(STDIN_FILENO, &aMainloop->mReadFdSet);
102 FD_SET(STDIN_FILENO, &aMainloop->mErrorFdSet);
103
104 if (aMainloop->mMaxFd < STDIN_FILENO)
105 {
106 aMainloop->mMaxFd = STDIN_FILENO;
107 }
108 }
109
otAppCliProcess(const otSysMainloopContext * aMainloop)110 extern "C" void otAppCliProcess(const otSysMainloopContext *aMainloop)
111 {
112 if (FD_ISSET(STDIN_FILENO, &aMainloop->mErrorFdSet))
113 {
114 exit(OT_EXIT_FAILURE);
115 }
116
117 if (FD_ISSET(STDIN_FILENO, &aMainloop->mReadFdSet))
118 {
119 rl_callback_read_char();
120 }
121 }
122
123 #endif // defined(HAVE_LIBEDIT) || defined(HAVE_LIBREADLINE)
124 #endif // !OPENTHREAD_POSIX_CONFIG_DAEMON_ENABLE
125
