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cpp-libs
Actor Framework
Commits
00266207
Commit
00266207
authored
Feb 09, 2019
by
Dominik Charousset
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Fail early on misconfigurations
parent
2fd22c72
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1
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1 changed file
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12 additions
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10 deletions
+12
-10
libcaf_core/caf/exec_main.hpp
libcaf_core/caf/exec_main.hpp
+12
-10
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libcaf_core/caf/exec_main.hpp
View file @
00266207
...
...
@@ -20,7 +20,6 @@
#include "caf/actor_system.hpp"
#include "caf/actor_system_config.hpp"
#include "caf/detail/type_list.hpp"
#include "caf/detail/type_traits.hpp"
...
...
@@ -70,27 +69,31 @@ int exec_main(F fun, int argc, char** argv,
"second parameter of main function must take a subtype of "
"actor_system_config as const reference"
);
using
helper
=
exec_main_helper
<
typename
trait
::
arg_types
>
;
//
pass CLI options to config
//
Pass CLI options to config.
typename
helper
::
config
cfg
;
cfg
.
parse
(
argc
,
argv
,
config_file_name
);
// return immediately if a help text was printed
if
(
auto
err
=
cfg
.
parse
(
argc
,
argv
,
config_file_name
))
{
std
::
cerr
<<
"error while parsing CLI and file options: "
<<
actor_system_config
::
render
(
err
)
<<
std
::
endl
;
return
EXIT_FAILURE
;
}
// Return immediately if a help text was printed.
if
(
cfg
.
cli_helptext_printed
)
return
0
;
//
load modules
return
EXIT_SUCCESS
;
//
Load modules.
std
::
initializer_list
<
unit_t
>
unused
{
unit_t
{
cfg
.
template
load
<
Ts
>()}...};
CAF_IGNORE_UNUSED
(
unused
);
//
pass config to the actor system
//
Initialize the actor system.
actor_system
system
{
cfg
};
if
(
cfg
.
slave_mode
)
{
if
(
!
cfg
.
slave_mode_fun
)
{
std
::
cerr
<<
"cannot run slave mode, I/O module not loaded"
<<
std
::
endl
;
return
1
;
return
EXIT_FAILURE
;
}
return
cfg
.
slave_mode_fun
(
system
,
cfg
);
}
helper
f
;
f
(
fun
,
system
,
cfg
);
return
0
;
return
EXIT_SUCCESS
;
}
}
// namespace caf
...
...
@@ -99,4 +102,3 @@ int exec_main(F fun, int argc, char** argv,
int main(int argc, char** argv) { \
return ::caf::exec_main<__VA_ARGS__>(caf_main, argc, argv); \
}
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