1 /**
2  * Copyright © 2018 IBM Corporation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #include "argument.hpp"
17 
18 #include <iostream>
19 
20 namespace phosphor
21 {
22 namespace network
23 {
24 namespace ncsi
25 {
26 
ArgumentParser(int argc,char ** argv)27 ArgumentParser::ArgumentParser(int argc, char** argv)
28 {
29     int option = 0;
30     while (-1 != (option = getopt_long(argc, argv, optionStr, options, NULL)))
31     {
32         if ((option == '?') || (option == 'h'))
33         {
34             usage(argv);
35             exit(-1);
36         }
37 
38         auto i = &options[0];
39         while ((i->val != option) && (i->val != 0))
40         {
41             ++i;
42         }
43 
44         if (i->val)
45         {
46             arguments[i->name] = (i->has_arg ? optarg : trueString);
47         }
48     }
49 }
50 
operator [](const std::string & opt)51 const std::string& ArgumentParser::operator[](const std::string& opt)
52 {
53     auto i = arguments.find(opt);
54     if (i == arguments.end())
55     {
56         return emptyString;
57     }
58     else
59     {
60         return i->second;
61     }
62 }
63 
usage(char ** argv)64 void ArgumentParser::usage(char** argv)
65 {
66     std::cerr << "Usage: " << argv[0] << " [options]\n";
67     std::cerr
68         << "Options:\n"
69            "    --help | -h       Print this menu.\n"
70            "    --index=<device index> | -x <device index> Specify device ifindex.\n"
71            "    --package=<package> | -p <package> Specify a package.\n"
72            "    --channel=<channel> | -c <channel> Specify a channel.\n"
73            "    --info  | -i      Retrieve info about NCSI topology.\n"
74            "    --set   | -s      Set a specific package/channel.\n"
75            "    --clear | -r      Clear all the settings on the interface.\n"
76            "    --oem-payload=<hex data...> | -o <hex data...> Send an OEM command with payload.\n"
77            "    --pmask=<mask> | -j <mask> Bitmask to enable/disable packages\n"
78            "    --cmask=<mask> | -k <mask> Bitmask to enable/disable channels\n"
79            "\n"
80            "Example commands:\n"
81            "    1) Retrieve topology information:\n"
82            "         ncsi-netlink -x 3 -p 0 -i\n"
83            "    2) Set preferred package\n"
84            "         ncsi-netlink -x 3 -p 0 -s\n"
85            "    3) Set preferred channel\n"
86            "         ncsi-netlink -x 3 -p 0 -c 1 -s\n"
87            "    4) Clear preferred channel\n"
88            "         ncsi-netlink -x 3 -p 0 -r\n"
89            "    5) Send NCSI Command\n"
90            "         ncsi-netlink -x 3 -p 0 -c 0 -o 50000001572100\n"
91            "    6) Set Package Mask\n"
92            "         ncsi-netlink -x 3 -j 1\n"
93            "    7) Set Channel Mask\n"
94            "         ncsi-netlink -x 3 -p 0 -k 1\n"
95            "\n";
96 }
97 
98 const option ArgumentParser::options[] = {
99     {"info", no_argument, NULL, 'i'},
100     {"set", no_argument, NULL, 's'},
101     {"clear", no_argument, NULL, 'r'},
102     {"oem-payload", required_argument, NULL, 'o'},
103     {"package", required_argument, NULL, 'p'},
104     {"channel", required_argument, NULL, 'c'},
105     {"index", required_argument, NULL, 'x'},
106     {"help", no_argument, NULL, 'h'},
107     {"pmask", required_argument, NULL, 'j'},
108     {"cmask", required_argument, NULL, 'k'},
109     {0, 0, 0, 0},
110 };
111 
112 const char* ArgumentParser::optionStr = "irsj:k:x:o:p:c:h?";
113 
114 const std::string ArgumentParser::trueString = "true";
115 const std::string ArgumentParser::emptyString = "";
116 
117 } // namespace ncsi
118 } // namespace network
119 } // namespace phosphor
120