FD.io VPP  v19.08.3-2-gbabecb413
Vector Packet Processing
inspect.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2017 Cisco and/or its affiliates.
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 
16 #include <boost/algorithm/string.hpp>
17 #include <string>
18 #include <vector>
19 
20 #include "vom/inspect.hpp"
21 #include "vom/logger.hpp"
22 #include "vom/om.hpp"
23 
24 namespace VOM {
25 std::unique_ptr<std::map<std::string, inspect::command_handler*>>
26  inspect::m_cmd_handlers;
27 
28 std::unique_ptr<std::deque<std::pair<std::vector<std::string>, std::string>>>
29  inspect::m_help_handlers;
30 
31 void
32 inspect::handle_input(const std::string& message, std::ostream& output)
33 {
34  if (message.length()) {
35  if (message.find("help") != std::string::npos) {
36  output << "Command Options: " << std::endl;
37  output << " keys - Show all keys owning objects"
38  << std::endl;
39  output << " key:XXX - Show all object referenced by "
40  "key XXX"
41  << std::endl;
42  output << " all - Show All objects" << std::endl;
43  output << "Individual object_base Types:" << std::endl;
44 
45  for (auto h : *m_help_handlers) {
46  output << " {";
47 
48  for (auto s : h.first) {
49  output << s << " ";
50  }
51  output << "} - \t";
52  output << h.second;
53  output << std::endl;
54  }
55  } else if (message.find("keys") != std::string::npos) {
56  OM::dump(output);
57  } else if (message.find("key:") != std::string::npos) {
58  std::vector<std::string> results;
59  boost::split(results, message, boost::is_any_of(":\n"));
60  OM::dump(results[1], output);
61  } else if (message.find("all") != std::string::npos) {
62  /*
63  * get the unique set of handlers, then invoke each
64  */
65  std::set<command_handler*> hdlrs;
66  for (auto h : *m_cmd_handlers) {
67  hdlrs.insert(h.second);
68  }
69  for (auto h : hdlrs) {
70  h->show(output);
71  }
72  } else {
73  auto it = m_cmd_handlers->find(message);
74 
75  if (it != m_cmd_handlers->end()) {
76  it->second->show(output);
77  } else {
78  output << "Unknown Command: " << message << std::endl;
79  }
80  }
81  }
82 }
83 
84 void
85 inspect::register_handler(const std::vector<std::string>& cmds,
86  const std::string& help,
87  command_handler* handler)
88 {
89  if (!m_cmd_handlers) {
90  m_cmd_handlers.reset(new std::map<std::string, command_handler*>);
91  m_help_handlers.reset(
92  new std::deque<std::pair<std::vector<std::string>, std::string>>);
93  }
94 
95  for (auto cmd : cmds) {
96  (*m_cmd_handlers)[cmd] = handler;
97  }
98  m_help_handlers->push_front(std::make_pair(cmds, help));
99 }
100 }
101 /*
102  * fd.io coding-style-patch-verification: ON
103  *
104  * Local Variables:
105  * eval: (c-set-style "mozilla")
106  * End:
107  */
static void register_handler(const std::vector< std::string > &cmds, const std::string &help, command_handler *ch)
Register a command handler for inspection.
Definition: inspect.cpp:85
void handle_input(const std::string &input, std::ostream &output)
handle input from the requester
Definition: inspect.cpp:32
inspect command handler Handler
Definition: inspect.hpp:54
The VPP Object Model (VOM) library.
Definition: acl_binding.cpp:19
A representation of a method call to VPP.
Definition: cmd.hpp:32
static void dump(const client_db::key_t &key, std::ostream &os)
Print each of the object in the DB into the stream provided.
Definition: om.cpp:97