CXM_generic_client.anubis
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/*
* 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---------------------------------------------------------------------
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_STR") is success(s) then s else "",
success(netservice_error(cmd, v, error_string))
}
}
}.
public define Maybe($T)
generic_handler
(
MessageQueue queue,
Int timeout,
Message msg_to_send,
(Message) -> Maybe($T) handler,
(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, "STATUS") is
{
failure then logger("["+queue.get_name(unique)+"]: status not found");failure,
success(v) then
if v = _CXM_OK then
//println("generic_handler("+queue.get_name(unique)+"): message status ok");
if find_message(msg, "RESULT") is
{
failure then logger("["+queue.get_name(unique)+"]: can't find RESULT");failure,
success(result) then handler(result)
}
else
logger("["+queue.get_name(unique)+"]: message status ERROR");failure
}
}.
public define (MessageQueue, String) -> Maybe($T)
make_generic_handler
(
Int timeout,
Message msg_to_send,
(Message) -> Maybe($T) handler,
(String) -> One logger
) =
(MessageQueue queue, String timestamp) |->
generic_handler(queue, 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)+"]: requested service started won't start");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 domain manager ["+ip_addr_to_string(server)+":"+port+"]");failure,
ok(conn) then
with queue = create_MessageQueue(queue_name),
message_transceiver(tcp(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
}.
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
}.