1 /*
2    Copyright (c) 2003, 2021, Oracle and/or its affiliates.
3 
4    All rights reserved. Use is subject to license terms.
5 
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License, version 2.0,
8    as published by the Free Software Foundation.
9 
10    This program is also distributed with certain software (including
11    but not limited to OpenSSL) that is licensed under separate terms,
12    as designated in a particular file or component or in included license
13    documentation.  The authors of MySQL hereby grant you an additional
14    permission to link the program and your derivative works with the
15    separately licensed software that they have included with MySQL.
16 
17    This program is distributed in the hope that it will be useful,
18    but WITHOUT ANY WARRANTY; without even the implied warranty of
19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20    GNU General Public License, version 2.0, for more details.
21 
22    You should have received a copy of the GNU General Public License
23    along with this program; if not, write to the Free Software
24    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
25 */
26 
27 #ifndef __CPCCLIENT_HPP_INCLUDED__
28 #define __CPCCLIENT_HPP_INCLUDED__
29 
30 #include <Parser.hpp>
31 #include <SocketServer.hpp>
32 #include <util/InputStream.hpp>
33 #include <util/OutputStream.hpp>
34 
35 /*
36   Simple CPC client class.
37 */
38 class SimpleCpcClient {
39 public:
40   SimpleCpcClient(const char *host, int port);
41   ~SimpleCpcClient();
42 
getPort() const43   int getPort() const { return port;}
getHost() const44   const char * getHost() const { return host;}
45 
46   struct Process {
47     int m_id;
48     BaseString m_name;
49 
50     BaseString m_owner;
51     BaseString m_group;
52     BaseString m_runas;
53 
54     BaseString m_cwd;
55     BaseString m_env;
56     BaseString m_path;
57     BaseString m_args;
58 
59     BaseString m_type;
60     BaseString m_status;
61 
62     BaseString m_stdin;
63     BaseString m_stdout;
64     BaseString m_stderr;
65     BaseString m_ulimit;
66     BaseString m_shutdown_options;
67   };
68 
69 private:
70   class ParserDummy : SocketServer::Session {
71   public:
72     ParserDummy(NDB_SOCKET_TYPE sock);
73   };
74 
75   typedef Parser<ParserDummy> Parser_t;
76   typedef ParserRow<ParserDummy> ParserRow_t;
77 
78   char *host;
79   int port;
80   NDB_SOCKET_TYPE cpc_sock;
81 
82 public:
83   int connect();
84   int list_processes(Vector<Process>&, Properties &reply);
85   int start_process(Uint32 id, Properties& reply);
86   int stop_process(Uint32 id, Properties& reply);
87   int undefine_process(Uint32 id, Properties& reply);
88   int define_process(Process & p, Properties& reply);
89 
90 private:
91   int cpc_send(const char *cmd,
92 	       const Properties &args);
93 
94 
95   Parser_t::ParserStatus cpc_recv(const ParserRow_t *syntax,
96 				  const Properties **reply,
97 				  void **user_data = NULL);
98 
99   const Properties *cpc_call(const char *cmd,
100 			     const Properties &args,
101 			     const ParserRow_t *reply_syntax);
102 };
103 
104 #endif /* !__CPCCLIENT_HPP_INCLUDED__ */
105