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
|
/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2004-2009. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*
*/
#include <ic.h>
static int oe_send_tmo(CORBA_Environment *env, unsigned int ms);
/* Client send message (Erlang distribution protocol) */
static int oe_send_tmo(CORBA_Environment *env, unsigned int ms)
{
if (strlen(env->_regname) == 0) {
if (ei_send_encoded_tmo(env->_fd, env->_to_pid, env->_outbuf,
env->_iout, ms) < 0) {
/* XXX Cannot send to peer? */
CORBA_exc_set(env, CORBA_SYSTEM_EXCEPTION, NO_RESPONSE,
"Cannot connect to server");
return -1;
}
} else {
if (ei_send_reg_encoded_tmo(env->_fd, env->_from_pid,
env->_regname, env->_outbuf,
env->_iout, ms) < 0) {
/* XXX Cannot send to peer? */
CORBA_exc_set(env, CORBA_SYSTEM_EXCEPTION, NO_RESPONSE,
"Cannot connect to server");
return -1;
}
}
return 0;
}
/* Send notification (gen_server client) */
int oe_send_notification_tmo(CORBA_Environment *env, unsigned int send_ms)
{
return oe_send_tmo(env, send_ms);
}
/* Send request and receive reply (gen_server client) */
int oe_send_request_and_receive_reply_tmo(CORBA_Environment *env,
unsigned int send_ms,
unsigned int recv_ms)
{
int msgType = 0;
erlang_msg msg;
if (oe_send_tmo(env, send_ms) < 0)
return -1;
do {
if ((msgType = ei_receive_encoded_tmo(env->_fd,
&env->_inbuf,
&env->_inbufsz,
&msg, &env->_iin,
recv_ms)) < 0) {
CORBA_exc_set(env, CORBA_SYSTEM_EXCEPTION, MARSHAL,
"Cannot decode message");
return -1;
}
} while (msgType != ERL_SEND && msgType != ERL_REG_SEND);
/* Extracting return message header */
if (oe_prepare_reply_decoding(env) < 0) {
CORBA_exc_set(env, CORBA_SYSTEM_EXCEPTION, MARSHAL, "Bad message");
return -1;
}
return 0;
}
/* Server receive (possibly) send reply (gen_server server) */
int oe_server_receive_tmo(CORBA_Environment *env, oe_map_t *map,
unsigned int send_ms,
unsigned int recv_ms)
{
int res = 0, loop = 1;
erlang_msg msg;
while (res >= 0 && loop > 0) {
res = ei_receive_encoded_tmo(env->_fd, &env->_inbuf, &env->_inbufsz,
&msg, &env->_iin, recv_ms);
switch(res) {
case ERL_SEND:
case ERL_REG_SEND:
oe_exec_switch(NULL, env, map);
switch(env->_major) {
case CORBA_NO_EXCEPTION:
break;
case CORBA_SYSTEM_EXCEPTION:
/* XXX stderr */
fprintf(stderr, "Request failure, reason : %s\n",
(char *) CORBA_exception_value(env));
CORBA_exception_free(env);
break;
default: /* Should not happen */
CORBA_exception_free(env);
break;
}
/* send reply */
/* XXX We are required to set env->_iout = 0 if oneway?? */
if (env->_iout > 0)
ei_send_encoded_tmo(env->_fd, &env->_caller, env->_outbuf,
env->_iout, send_ms);
loop = 0;
break;
case ERL_TICK:
break;
default:
/* XXX */
if (res < 0) {
fprintf(stderr, "Result negative: %d\n", res);
loop = 0;
}
break;
}
}
return 0;
}
|
