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
|
#include "orbsvcs/Log_Macros.h"
#include "EventChannelFactory_i.h"
#include "ace/Process.h"
#include "ace/Read_Buffer.h"
#include "ace/SOCK_Acceptor.h"
#include "ace/SOCK_Stream.h"
#include "orbsvcs/FtRtEvent/Utils/UUID.h"
#include "ace/OS_NS_sys_time.h"
const int WAIT_FOR_REGISTRATION_TIME = 10; //sec
// const int MAX_ID_STRING = 10;
EventChannelFactory_i::EventChannelFactory_i(const char* conf_filename, CORBA::ORB_ptr orb_ptr)
: conf_file(conf_filename), id(0), orb(orb_ptr)
{
}
CORBA::Object_ptr EventChannelFactory_i::create_object (
const char * type_id,
const PortableGroup::Criteria & the_criteria,
PortableGroup::GenericFactory::FactoryCreationId_out factory_creation_id
)
{
ORBSVCS_DEBUG((LM_DEBUG,"EventChannelFactory_i::create_object\n"));
FILE* file = 0;
char *id_str=0, *prog=0;
try{
file = ACE_OS::fopen(conf_file, "r");
if (file == 0)
throw PortableGroup::NoFactory();
ACE_Read_Buffer read_buf(file);
while ((id_str = read_buf.read(' ')) != 0 &&
(prog = read_buf.read('\n')) != 0) {
id_str[strlen(id_str)-1] = '\0';
if (ACE_OS::strcmp(id_str, type_id) == 0) {
return create_process(prog, the_criteria, factory_creation_id);
}
}
}
catch (...){
if (file) ACE_OS::fclose(file);
if (id_str) ACE_Allocator::instance()->free(id_str);
if (prog) ACE_Allocator::instance()->free(prog);
throw;
}
throw PortableGroup::ObjectNotCreated();
}
void EventChannelFactory_i::delete_object (
const PortableGroup::GenericFactory::FactoryCreationId & factory_creation_id
)
{
ACE_TRACE("EventChannelFactory_i::delete_object");
CORBA::ULong object_id;
factory_creation_id >>= object_id;
CORBA::Object_var obj;
if (objects.find(object_id, obj) == 0) {
objects.unbind(object_id);
//obj->shutdown();
}
}
CORBA::Object_ptr EventChannelFactory_i::create_process (
char * process_str,
const PortableGroup::Criteria & the_criteria,
PortableGroup::GenericFactory::FactoryCreationId_out factory_creation_id)
{
ACE_TRACE("EventChannelFactory_i::create_process");
CORBA::Object_ptr result = CORBA::Object::_nil();
// fill the factory_creation_id
ACE_NEW_RETURN(factory_creation_id,
PortableGroup::GenericFactory::FactoryCreationId,
CORBA::Object::_nil());
*factory_creation_id <<= (CORBA::ULong) ++id;
// create an acceptor and get the listen address
ACE_SOCK_Acceptor acceptor;
ACE_INET_Addr server_addr;
acceptor.open(server_addr);
acceptor.get_local_addr(server_addr);
ACE_Process_Options options;
ACE_TString str;
char* pos = ACE_OS::strrchr(process_str, '/');
if (pos !=0) { //
*pos = '\0';
options.working_directory(process_str);
*pos = '/';
}
str = ACE_TEXT_CHAR_TO_TCHAR(process_str);
const int ENV_BUF_LEN = 512;
ACE_TCHAR buf[ENV_BUF_LEN];
server_addr.addr_to_string(buf,ENV_BUF_LEN,0);
options.setenv(ACE_TEXT("EventChannelFactoryAddr"), buf);
// extract the object ID from the criteria
for (CORBA::ULong i = 0; i < the_criteria.length(); ++i)
{
const CosNaming::Name& name = the_criteria[i].nam;
if (name.length() > 0) {
const char* val;
const char* id_str = name[0].id.in();
the_criteria[i].val >>= val;
if (id_str[0] != '-') // environment variable
options.setenv(ACE_TEXT_CHAR_TO_TCHAR(id_str), ACE_TEXT("%s"), val);
else {// command line option
ACE_OS::sprintf(buf, ACE_TEXT(" %s %s"), id_str, val);
str += buf;
}
}
}
ORBSVCS_DEBUG((LM_DEBUG, "Command Line : %s\n", str.c_str()));
options.command_line(str.c_str());
// Try to create a new process running date.
ACE_Process new_process;
ACE_Time_Value timeout(WAIT_FOR_REGISTRATION_TIME);
timeout += ACE_OS::gettimeofday();
if (new_process.spawn (options) == -1)
{
ORBSVCS_ERROR ((LM_ERROR,
"%p errno = %d.\n",
str.c_str(),
ACE_OS::last_error ()));
return result;
}
ACE_INET_Addr client_addr;
ACE_SOCK_Stream stream;
ORBSVCS_DEBUG((LM_DEBUG, "accepting connection from event channel\n"));
if (acceptor.accept(stream, &client_addr, &timeout) == -1)
ORBSVCS_ERROR_RETURN((LM_ERROR, "accept fail\n"), 0);
ORBSVCS_DEBUG((LM_DEBUG, "Factory Connect established with %s:%d\n",
client_addr.get_host_name(), client_addr.get_port_number() ));
// receive the ior string from the created object
char ior[5000] = {'0'};
int n = 0;
int byteRead=0;
while (0 != (n = stream.recv(ior+byteRead, 5000-byteRead))) {
byteRead += n;
}
if (ACE_OS::strlen(ior) == 0)
return result;
try{
CORBA::Object_var result = orb->string_to_object(ior);
if (objects.bind(id, result) == 0){
return result._retn();
}
}
catch (...){
}
return 0;
}
|
