CXM_generic_client.anubis
9.98 KB
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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
/*
* Created by PyramIDE.
* User: ricard
* Date: 02/02/2008
* Time: 11:47
*
* To change this template use Tools | Options | Coding | Edit Standard Headers.
*/
read tools/basis.anubis
read system/muscle.anubis
read system/data_io.anubis
read system/convert.anubis
read system/string.anubis
read system/message_queue.anubis
read system/message_transceiver.anubis
read tools/connections.anubis
read calexium_lib/CXM_message_constants.anubis
read calexium_lib/net_services/CXM_net_services.anubis
read calexium_lib/net_services/CXM_generic_protocol.anubis
// --Generic types---------------------------------------------------------------------
public type NetServiceAnswer:
netservice_error (Word32 cmd,
Word32 result_code,
String result_string),
netservice_ok (Word32 cmd,
Maybe(Message) result_msg).
// --Generic functions---------------------------------------------------------------------
/**
* Sends the message to the server then parses the answer and returns the RESULT message on CMD success.
*/
public define Maybe(NetServiceAnswer)
generic_send_message
(
MessageQueue queue,
Message msg_to_send,
Int timeout,
(String) -> One logger
)=
queue.add_Message_to_send(msg_to_send);
if queue.get_next_received_Message(timeout) is
{
timeout then logger("["+queue.get_name(unique)+"]: receive timeout");failure,
closed then logger("["+queue.get_name(unique)+"]: socket closed");failure,
msg(msg) then
if find_int32(msg, "CMD") is
{
failure then logger("["+queue.get_name(unique)+"]: CMD field not found"); failure,
success(cmd) then
if find_int32(msg, "STATUS") is
{
failure then logger("["+queue.get_name(unique)+"]: STATUS field not found"); failure,
success(v) then
if v = _CXM_OK then
success(netservice_ok(cmd, find_message(msg, "RESULT")))
else
with error_string = if find_string(msg, "STATUS_MSG") is success(s) then s else "",
success(netservice_error(cmd, v, error_string))
}
}
}.
public define Maybe($T)
simple_handler
(
MessageQueue queue,
String timestamp,
Int timeout,
Message msg_to_send,
(Message, MessageQueue, String) -> Maybe($T) handler,
(String) -> One logger
) =
if generic_send_message(queue, msg_to_send, timeout, logger) is
{
failure then failure,
success(net_result) then
if net_result is
{
netservice_error(cmd, err_code, err_str) then
logger("["+queue.get_name(unique)+"]: message status ERROR [0x" + to_hexa(err_code) + ", '" + err_str + "']");
failure,
netservice_ok(cmd, mb_msg) then
if mb_msg is
{
failure then logger("["+queue.get_name(unique)+"]: can't find RESULT message."); failure,
success(result) then handler(result, queue, timestamp)
}
}
}.
public define Maybe(One)
no_result_handler
(
MessageQueue queue,
Int timeout,
Message msg_to_send,
(String) -> One logger
) =
if generic_send_message(queue, msg_to_send, timeout, logger) is
{
failure then failure,
success(net_result) then
if net_result is
{
netservice_error(cmd, err_code, err_str) then
logger("["+queue.get_name(unique)+"]: message status ERROR [0x" + to_hexa(err_code) + ", '" + err_str + "']");
failure,
netservice_ok(cmd, mb_msg) then
if mb_msg is
{
failure then unique,
success(result) then logger("An unattended RESULT msg was found. Ignoring it...")
};
success(unique)
}
}.
public define (MessageQueue, String) -> Maybe($T)
make_generic_handler
(
Int timeout,
Message msg_to_send,
(Message, MessageQueue, String) -> Maybe($T) handler,
(String) -> One logger
) =
(MessageQueue queue, String timestamp) |->
simple_handler(queue, timestamp, timeout, msg_to_send, handler, logger).
define Maybe($T)
generic_request_for_service
(
MessageQueue queue,
Word32 service_id,
Word32 service_version,
(MessageQueue, String) -> Maybe($T) handler,
(String) -> One logger
)=
with test_msg = message(_CXM_REQUEST_FOR_SERVICE),
forget(add_int32(test_msg, "SERVICE", service_id));
forget(add_int32(test_msg, "VERSION", service_version));
queue.add_Message_to_send(test_msg);
if queue.get_next_received_Message(10) is
{
timeout then logger("["+queue.get_name(unique)+"]: requesting service receive timeout");failure,
closed then logger("["+queue.get_name(unique)+"]: requesting service socket closed");failure,
msg(msg) then
if find_int32(msg, "STATUS") is
{
failure then logger("["+queue.get_name(unique)+"]: requesting service STATUS not found");failure,
success(v) then
if v = _CXM_OK then
if find_message(msg, "RESULT") is
{
failure then logger("["+queue.get_name(unique)+"]: requesting service RESULT not found");failure,
success(result) then
with timestamp = if find_string(result, "TIMESTAMP") is
{
failure then logger("["+queue.get_name(unique)+"]: requesting service TIMESTAMP not found"); "",
success(timestamp) then timestamp
},
handler(queue, timestamp)
}
else
logger("["+queue.get_name(unique)+"]: the requested service is not available on server.");failure
}
}.
public define Maybe($T)
generic_connect_to_net_service
(
String queue_name,
Word32 server,
Word32 port,
Word32 service_id,
Word32 service_version,
(MessageQueue, String) -> Maybe($T) handler,
(String) -> One logger
)
=
if connect( server, port) is
{
error(_) then logger(queue_name + ": Can't connect to service ["+ip_addr_to_string(server)+":"+port+"]");failure,
ok(conn) then
// println("[" + virtual_machine_id + "] netservices create queue");
with queue = create_MessageQueue(queue_name),
message_transceiver(tcp(conn), queue);
// println("[" + virtual_machine_id + "] netservices generic_request_for_service()");
with result = generic_request_for_service(queue, service_id, service_version, handler, logger),
// println("[" + virtual_machine_id + "] netservices client quit");
queue.quit(unique);
result
}.
define Word32
get_ip
(
String url_or_ip,
(String) -> One logger
) =
//logInfo(debug_log,"Try to resolve URL [" + url_or_ip+ "].");
if ip_address(url_or_ip) is success(ip) then
//logInfo(debug_log,"Try to resolve URL OK ip"+ip);
ip
else if dns(url_or_ip) is ok(ip_adr) then
//logInfo(debug_log,"Try to resolve URL OK dns"+ip_adr);
ip_adr
else
logger("Can't resolve URL [" + url_or_ip+ "]. Using localhost.");
ip_address((127,0,0,1)).
public define Maybe(Word32)
get_ip
(
String url_or_ip
) =
//logInfo(debug_log,"Try to resolve URL [" + url_or_ip+ "].");
if ip_address(url_or_ip) is success(ip) then
//logInfo(debug_log,"Try to resolve URL OK ip"+ip);
success(ip)
else if dns(url_or_ip) is ok(ip_adr) then
//logInfo(debug_log,"Try to resolve URL OK dns"+ip_adr);
success(ip_adr)
else
println("Can't resolve URL [" + url_or_ip+ "]. Using localhost.");
failure.
/* Same version as above, but server is string containing IP or URL
* It's resolve by get_ip and call generic_connect_to_net_service with IP
*/
public define Maybe($T)
generic_connect_to_net_service
(
String queue_name,
String server,
Word32 port,
Word32 service_id,
Word32 service_version,
(MessageQueue, String) -> Maybe($T) handler,
(String) -> One logger
)
= generic_connect_to_net_service(queue_name, get_ip(server, logger), port, service_id, service_version, handler, logger).
public define Maybe($T)
generic_connect_to_net_service_SSL
(
String queue_name,
String server_name,
Word32 server_ip,
Word32 port,
(Maybe(X509)) -> Bool accept_policy, // your policy for accepting the server certificate in
// case of an invalid, non trusted or missing certificate
Word32 service_id,
Word32 service_version,
(MessageQueue, String) -> Maybe($T) handler,
(String) -> One logger
)
=
if open_SSL_connection( server_name, server_ip, port, accept_policy) is
{
error(_) then logger(queue_name + ": Can't connect to domain manager ["+ip_addr_to_string(server_ip)+":"+port+"]");failure,
ok(conn) then
with queue = create_MessageQueue(queue_name),
message_transceiver(ssl(conn), queue);
with result = generic_request_for_service(queue, service_id, service_version, handler, logger),
queue.quit(unique);
//logInfo(debug_log,"domain_manager client quit");
result
}.