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cpp-libs
Actor Framework
Commits
67b11042
Commit
67b11042
authored
Apr 06, 2017
by
Dominik Charousset
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Add unit test to reproduce reconnecting issues
parent
926a55c5
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+247
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libcaf_io/caf/io/network/test_multiplexer.hpp
libcaf_io/caf/io/network/test_multiplexer.hpp
+3
-0
libcaf_io/src/test_multiplexer.cpp
libcaf_io/src/test_multiplexer.cpp
+4
-0
libcaf_io/test/connection_management.cpp
libcaf_io/test/connection_management.cpp
+240
-0
No files found.
libcaf_io/caf/io/network/test_multiplexer.hpp
View file @
67b11042
...
@@ -169,6 +169,9 @@ public:
...
@@ -169,6 +169,9 @@ public:
inline_runnable_callback_
=
std
::
move
(
f
);
inline_runnable_callback_
=
std
::
move
(
f
);
}
}
/// Closes a connection.
void
close
(
connection_handle
hdl
);
protected:
protected:
void
exec_later
(
resumable
*
ptr
)
override
;
void
exec_later
(
resumable
*
ptr
)
override
;
...
...
libcaf_io/src/test_multiplexer.cpp
View file @
67b11042
...
@@ -522,6 +522,10 @@ void test_multiplexer::flush_runnables() {
...
@@ -522,6 +522,10 @@ void test_multiplexer::flush_runnables() {
}
while
(
!
runnables
.
empty
());
}
while
(
!
runnables
.
empty
());
}
}
void
test_multiplexer
::
close
(
connection_handle
hdl
)
{
impl_ptr
(
hdl
)
->
io_failure
(
this
,
operation
::
read
);
}
void
test_multiplexer
::
exec_later
(
resumable
*
ptr
)
{
void
test_multiplexer
::
exec_later
(
resumable
*
ptr
)
{
CAF_ASSERT
(
ptr
!=
nullptr
);
CAF_ASSERT
(
ptr
!=
nullptr
);
CAF_LOG_TRACE
(
""
);
CAF_LOG_TRACE
(
""
);
...
...
libcaf_io/test/connection_management.cpp
0 → 100644
View file @
67b11042
/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright (C) 2011 - 2017 *
* Dominik Charousset <dominik.charousset (at) haw-hamburg.de> *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#include <string>
#include <numeric>
#include <fstream>
#include <iostream>
#include <iterator>
#define CAF_SUITE io_connection_management
#include "caf/test/io_dsl.hpp"
#include "caf/io/middleman.hpp"
#include "caf/io/basp_broker.hpp"
#include "caf/io/network/test_multiplexer.hpp"
using
std
::
cout
;
using
std
::
endl
;
using
std
::
string
;
using
namespace
caf
;
using
namespace
caf
::
io
;
namespace
{
using
ping_atom
=
atom_constant
<
atom
(
"ping"
)
>
;
using
pong_atom
=
atom_constant
<
atom
(
"pong"
)
>
;
class
remoting_config
:
public
actor_system_config
{
public:
remoting_config
()
{
load
<
middleman
,
network
::
test_multiplexer
>
();
middleman_detach_utility_actors
=
false
;
}
};
basp_broker
*
get_basp_broker
(
middleman
&
mm
)
{
auto
hdl
=
mm
.
named_broker
<
basp_broker
>
(
atom
(
"BASP"
));
return
dynamic_cast
<
basp_broker
*>
(
actor_cast
<
abstract_actor
*>
(
hdl
));
}
class
node_state
:
public
test_coordinator_fixture
<
remoting_config
>
{
public:
middleman
&
mm
;
network
::
test_multiplexer
&
mpx
;
basp_broker
*
basp
;
connection_handle
conn
;
accept_handle
acc
;
node_state
*
peer
=
nullptr
;
node_state
()
:
mm
(
sys
.
middleman
()),
mpx
(
dynamic_cast
<
network
::
test_multiplexer
&>
(
mm
.
backend
())),
basp
(
get_basp_broker
(
mm
))
{
// nop
}
void
publish
(
actor
whom
,
uint16_t
port
)
{
auto
ma
=
mm
.
actor_handle
();
scoped_actor
self
{
sys
};
std
::
set
<
std
::
string
>
sigs
;
// Make sure no pending BASP broker messages are in the queue.
mpx
.
flush_runnables
();
// Trigger middleman actor.
self
->
send
(
ma
,
publish_atom
::
value
,
port
,
actor_cast
<
strong_actor_ptr
>
(
std
::
move
(
whom
)),
std
::
move
(
sigs
),
""
,
false
);
// Wait for the message of the middleman actor.
expect
((
atom_value
,
uint16_t
,
strong_actor_ptr
,
std
::
set
<
std
::
string
>
,
std
::
string
,
bool
),
from
(
self
).
to
(
sys
.
middleman
().
actor_handle
())
.
with
(
publish_atom
::
value
,
port
,
_
,
_
,
_
,
false
));
mpx
.
exec_runnable
();
// Fetch response.
self
->
receive
(
[](
uint16_t
)
{
// nop
},
[
&
](
error
&
err
)
{
CAF_FAIL
(
sys
.
render
(
err
));
}
);
}
actor
remote_actor
(
std
::
string
host
,
uint16_t
port
)
{
CAF_MESSAGE
(
"remote actor: "
<<
host
<<
":"
<<
port
);
// both schedulers must be idle at this point
CAF_REQUIRE
(
!
sched
.
has_job
());
CAF_REQUIRE
(
!
peer
->
sched
.
has_job
());
// get necessary handles
auto
ma
=
mm
.
actor_handle
();
scoped_actor
self
{
sys
};
// make sure no pending BASP broker messages are in the queue
mpx
.
flush_runnables
();
// trigger middleman actor
self
->
send
(
ma
,
connect_atom
::
value
,
std
::
move
(
host
),
port
);
expect
((
atom_value
,
std
::
string
,
uint16_t
),
from
(
self
).
to
(
ma
).
with
(
connect_atom
::
value
,
_
,
port
));
CAF_MESSAGE
(
"wait for the message of the middleman actor in BASP"
);
mpx
.
exec_runnable
();
CAF_MESSAGE
(
"tell peer to accept the connection"
);
peer
->
mpx
.
accept_connection
(
peer
->
acc
);
CAF_MESSAGE
(
"run handshake between the two BASP broker instances"
);
while
(
sched
.
run_once
()
||
peer
->
sched
.
run_once
()
||
mpx
.
try_exec_runnable
()
||
peer
->
mpx
.
try_exec_runnable
()
||
mpx
.
read_data
()
||
peer
->
mpx
.
read_data
())
{
// re-run until handhsake is fully completed
}
CAF_MESSAGE
(
"fetch remote actor proxy"
);
actor
result
;
self
->
receive
(
[
&
](
node_id
&
,
strong_actor_ptr
&
ptr
,
std
::
set
<
std
::
string
>&
)
{
result
=
actor_cast
<
actor
>
(
std
::
move
(
ptr
));
},
[
&
](
error
&
err
)
{
CAF_FAIL
(
sys
.
render
(
err
));
}
);
return
result
;
}
};
struct
fixture
{
node_state
earth
;
node_state
mars
;
fixture
()
{
// Connect the buffers of mars and earth to setup a pseudo-network.
mars
.
peer
=
&
earth
;
earth
.
peer
=
&
mars
;
// Set up mars to be the host and earth to be the client.
earth
.
conn
=
connection_handle
::
from_int
(
1
);
mars
.
conn
=
connection_handle
::
from_int
(
2
);
mars
.
acc
=
accept_handle
::
from_int
(
3
);
// Run any initialization code.
exec_all
();
}
// Convenience function for transmitting all "network" traffic.
void
network_traffic
()
{
while
(
earth
.
mpx
.
try_exec_runnable
()
||
mars
.
mpx
.
try_exec_runnable
()
||
earth
.
mpx
.
read_data
()
||
mars
.
mpx
.
read_data
())
{
// rince and repeat
}
}
// Convenience function for transmitting all "network" traffic and running
// all executables on earth and mars.
void
exec_all
()
{
while
(
earth
.
mpx
.
try_exec_runnable
()
||
mars
.
mpx
.
try_exec_runnable
()
||
earth
.
mpx
.
read_data
()
||
mars
.
mpx
.
read_data
()
||
earth
.
sched
.
run_once
()
||
mars
.
sched
.
run_once
())
{
// rince and repeat
}
}
};
}
// namespace <anonymous>
CAF_TEST_FIXTURE_SCOPE
(
connection_management_tests
,
fixture
)
CAF_TEST
(
reconnect
)
{
auto
server_impl
=
[](
event_based_actor
*
self
)
->
behavior
{
return
{
[
=
](
ping_atom
)
{
CAF_MESSAGE
(
"received ping message in client"
);
self
->
monitor
(
self
->
current_sender
());
return
pong_atom
::
value
;
}
};
};
auto
client_impl
=
[](
event_based_actor
*
self
)
->
behavior
{
return
{
[
=
](
const
actor
&
server_ref
)
{
auto
mm
=
self
->
system
().
middleman
().
actor_handle
();
self
->
monitor
(
server_ref
);
self
->
request
(
server_ref
,
infinite
,
ping_atom
::
value
).
then
(
[
=
](
pong_atom
)
{
CAF_MESSAGE
(
"received pong message in client"
);
}
);
}
};
};
CAF_MESSAGE
(
"earth: "
<<
to_string
(
earth
.
sys
.
node
()));
CAF_MESSAGE
(
"mars: "
<<
to_string
(
mars
.
sys
.
node
()));
auto
client
=
earth
.
sys
.
spawn
(
client_impl
);
auto
server
=
mars
.
sys
.
spawn
(
server_impl
);
exec_all
();
CAF_MESSAGE
(
"prepare connections on earth and mars"
);
mars
.
mpx
.
prepare_connection
(
mars
.
acc
,
mars
.
conn
,
earth
.
mpx
,
"mars"
,
8080
,
earth
.
conn
);
CAF_MESSAGE
(
"publish sink on mars"
);
mars
.
publish
(
server
,
8080
);
CAF_MESSAGE
(
"connect from earth to mars"
);
auto
proxy
=
earth
.
remote_actor
(
"mars"
,
8080
);
CAF_MESSAGE
(
"got proxy: "
<<
to_string
(
proxy
)
<<
", send it to client"
);
anon_send
(
client
,
proxy
);
expect_on
(
earth
,
(
actor
),
from
(
_
).
to
(
client
).
with
(
proxy
));
network_traffic
();
expect_on
(
mars
,
(
atom_value
),
from
(
_
).
to
(
server
).
with
(
ping_atom
::
value
));
network_traffic
();
expect_on
(
earth
,
(
atom_value
),
from
(
_
).
to
(
client
).
with
(
pong_atom
::
value
));
CAF_MESSAGE
(
"fake disconnect between mars and earth"
);
earth
.
mpx
.
close
(
earth
.
conn
);
mars
.
mpx
.
close
(
mars
.
conn
);
network_traffic
();
CAF_MESSAGE
(
"expect down messages in server and client"
);
expect_on
(
earth
,
(
down_msg
),
from
(
_
).
to
(
client
).
with
(
_
));
expect_on
(
mars
,
(
down_msg
),
from
(
_
).
to
(
server
).
with
(
_
));
exec_all
();
CAF_MESSAGE
(
"reconnect mars and earth"
);
proxy
=
earth
.
remote_actor
(
"mars"
,
8080
);
anon_send
(
client
,
proxy
);
expect_on
(
earth
,
(
actor
),
from
(
_
).
to
(
client
).
with
(
proxy
));
network_traffic
();
expect_on
(
mars
,
(
atom_value
),
from
(
_
).
to
(
server
).
with
(
ping_atom
::
value
));
network_traffic
();
expect_on
(
earth
,
(
atom_value
),
from
(
_
).
to
(
client
).
with
(
pong_atom
::
value
));
anon_send_exit
(
client
,
exit_reason
::
user_shutdown
);
anon_send_exit
(
server
,
exit_reason
::
user_shutdown
);
}
CAF_TEST_FIXTURE_SCOPE_END
()
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