summaryrefslogtreecommitdiff
path: root/TAO/orbsvcs/ImplRepo_Service/ImplRepo_i.h
blob: 31951094276026b2132b18827fc33814a75e029b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/* -*- C++ -*- */
// $Id$

// ============================================================================
//
// = LIBRARY
//    TAO/orbsvcs/ImplRepo_Service
//
// = FILENAME
//    ImplRepo_i.h
//
// = DESCRIPTION
//    This class implements the Implementation Repository.
//
// = AUTHOR
//    Darrell Brunsch <brunsch@cs.wustl.edu>
//
// ============================================================================

#if !defined (IMPLREPO_I_H)
#define IMPLREPO_I_H

#include "ImplRepoS.h"
#include "Repository.h"
#include "tao/TAO.h"

// Forward declarations.
class ImplRepo_i;
class IR_Forwarder;

// Typedefs.
typedef ImplRepo_i *ImplRepo_i_ptr;
typedef ImplRepo_i_ptr ImplRepo_i_ref;

class IR_Adapter_Activator : public POA_PortableServer::AdapterActivator
{
  // = TITLE
  //    Implementation Repository Adapter Activator
  //
  // = DESCRIPTION
  //    Part of the Default Servant/DSI combination that forwards
  //    arbitrary requests.  This allows for the setting up of child
  //    POAs with default servants.
public:
  IR_Adapter_Activator (IR_Forwarder *servant);
  // Constructor

  virtual CORBA::Boolean unknown_adapter (PortableServer::POA_ptr parent,
                                          const char *name,
                                          CORBA_Environment &_env = CORBA_Environment::default_environment ());
private:
  // @@ Darrell, please add comments for all of the methods in this file.

  IR_Forwarder *servant_;
};

class ImplRepo_i : public POA_Implementation_Repository
{
  // = TITLE
  //    Implementation Repository
  //
  // = DESCRIPTION
  //    This provides the interface to communicate directly with the
  //    Implementation Repository.
public:
  // = Constructor and destructor
  ImplRepo_i (void);
  ~ImplRepo_i (void);

  // = Interface methods

  virtual CORBA::Object_ptr activate_object (CORBA::Object_ptr obj,
                                             CORBA::Environment &env);

  virtual Implementation_Repository::INET_Addr *activate_server (const char * server,
                                                                 CORBA::Environment &env);

  virtual void register_server (const char * server,
                                const Implementation_Repository::Process_Options &options,
                                CORBA::Environment &env);

  virtual void reregister_server (const char * server,
                                  const Implementation_Repository::Process_Options &options,
                                  CORBA::Environment &env);

  virtual void remove_server (const char * server,
                              CORBA::Environment &env);

  virtual Implementation_Repository::INET_Addr  
    *server_is_running (const char * server,
                        const Implementation_Repository::INET_Addr &addr,
                        CORBA::Object_ptr ping,
                        CORBA::Environment &env);

  virtual void server_is_shutting_down (const char * server,
                                        CORBA::Environment &env);

  // = Other methods

  int init (int argc, char **argv, CORBA::Environment& env);
  // Initialize the Server state - parsing arguments and waiting.

  int run (CORBA::Environment& env);
  // Runs the orb.

  CORBA::String get_forward_host (const char *server);
  // Returns the host of the server that needs to be forwarded to.

  CORBA::UShort get_forward_port (const char *server);
  // Returns the port of the server that needs to be forwarded to.

private:
  IR_Forwarder *forwarder_impl_;

  IR_Adapter_Activator *activator_;
  // Used for the forwarding of any type of POA.

  Repository repository_;
  // Repository containing information about each server.

  int parse_args (void);
  // Parses the commandline arguments.

  int read_ior (char *filename);
  // Reads the IOR of the real server from the file.

  TAO_ORB_Manager orb_manager_;
  // The ORB manager.

  FILE *ior_output_file_;
  // File where the IOR of the server object is stored.

  char *server_key_;
  // Key of the obj ref of the server.

  char *server_input_file_;
  // Copy of the filename for the server output file.

  int argc_;
  // Number of command line arguments.

  char **argv_;
  // The command line arguments.

  unsigned int debug_level_;
  // Debug level for the IR.  
  // 0 - Quiet
  // 1 - Trace messages
  // 2 - Detailed messages
};

class IR_Forwarder: public  PortableServer::DynamicImplementation
{
public:
  IR_Forwarder::IR_Forwarder (CORBA::ORB_ptr orb_ptr,
                              PortableServer::POA_ptr poa_ptr,
                              ImplRepo_i *ir_impl);

  virtual void invoke (CORBA::ServerRequest_ptr request,
                       CORBA::Environment &env);
  // The invoke() method receives requests issued to any CORBA
  // object incarnated by the DSI servant and performs the
  // processing necessary to execute the request.

  CORBA::RepositoryId _primary_interface (const PortableServer::ObjectId &oid,
                                          PortableServer::POA_ptr poa,
                                          CORBA::Environment &env);

private:
  int forward (char *name, char *poa, char *obj, CORBA::Environment &env);

  class ImplRepo_i *ir_impl_;

  CORBA::ORB_var orb_var_;
  PortableServer::POA_var poa_var_;

};

#endif /* IMPLREPO_I_H */