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Simplify error handling in digwatch main

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This commit is contained in:
Henri DF 2016-02-19 13:43:16 -08:00
parent 32ad5673c6
commit 208930fd55
2 changed files with 11 additions and 39 deletions
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31
userspace/digwatch/digwatch.cpp
View File

@ -123,9 +123,9 @@ captureinfo do_inspect(sinsp* inspector,
//
// ARGUMENT PARSING AND PROGRAM SETUP
//
digwatch_init_res digwatch_init(int argc, char **argv)
int digwatch_init(int argc, char **argv)
{
digwatch_init_res res;
int result;
sinsp* inspector = NULL;
int op;
uint64_t cnt = -1;
@ -164,15 +164,13 @@ digwatch_init_res digwatch_init(int argc, char **argv)
{
case 'h':
usage();
delete inspector;
return digwatch_init_res(EXIT_SUCCESS);
result = EXIT_SUCCESS;
goto exit;
case 'M':
duration_to_tot = atoi(optarg);
if(duration_to_tot <= 0)
{
throw sinsp_exception(string("invalid duration") + optarg);
res.m_res = EXIT_FAILURE;
goto exit;
}
break;
case 'N':
@ -191,17 +189,14 @@ digwatch_init_res digwatch_init(int argc, char **argv)
if(cnt <= 0)
{
throw sinsp_exception(string("invalid event count ") + optarg);
res.m_res = EXIT_FAILURE;
goto exit;
}
break;
case 'u':
user_parser = optarg;
break;
case '?':
delete inspector;
return digwatch_init_res(EXIT_FAILURE);
break;
result = EXIT_FAILURE;
goto exit;
default:
break;
}
@ -229,7 +224,7 @@ digwatch_init_res digwatch_init(int argc, char **argv)
#else
fprintf(stderr, "filtering not compiled.\n");
res.m_res = EXIT_FAILURE;
result = EXIT_FAILURE;
goto exit;
#endif
}
@ -254,12 +249,12 @@ digwatch_init_res digwatch_init(int argc, char **argv)
catch(sinsp_exception& e)
{
cerr << e.what() << endl;
res.m_res = EXIT_FAILURE;
result = EXIT_FAILURE;
}
catch(...)
{
printf("Exeception\n");
res.m_res = EXIT_FAILURE;
result = EXIT_FAILURE;
}
exit:
@ -269,7 +264,7 @@ exit:
delete inspector;
}
return res;
return result;
}
//
@ -277,9 +272,5 @@ exit:
//
int main(int argc, char **argv)
{
digwatch_init_res res;
res = digwatch_init(argc, argv);
return res.m_res;
return digwatch_init(argc, argv);
}

19
userspace/digwatch/digwatch.h
View File

@ -23,25 +23,6 @@ along with sysdig. If not, see <http://www.gnu.org/licenses/>.
#endif // HAS_CAPTURE
//
// Capture results
//
class digwatch_init_res
{
public:
digwatch_init_res()
{
m_res = EXIT_SUCCESS;
}
digwatch_init_res(int res)
{
m_res = res;
}
int m_res;
vector<string> m_next_run_args;
};
//
// Capture results