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hwsim: Add attribute to destroy radio when program stops 

The new attribute causes the radio to be removed if the hwsim process
dies. This is the default behaviour. If user calls the binary with -k
option, then the radio is kept after hwsim quits.
This requires kernel support for HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE
attribute.
This commit is contained in:
Jukka Rissanen 2014-10-10 10:47:19 +03:00 committed by Denis Kenzior
parent 171a32e147
commit 1a07cf4ab1
1 changed files with 16 additions and 2 deletions
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18
tools/hwsim.c
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@ -57,12 +57,14 @@ enum {
HWSIM_ATTR_REG_STRICT_REG,
HWSIM_ATTR_SUPPORT_P2P_DEVICE,
HWSIM_ATTR_USE_CHANCTX,
HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE,
__HWSIM_ATTR_MAX,
};
#define HWSIM_ATTR_MAX (__HWSIM_ATTR_MAX - 1)
static struct l_genl_family *hwsim;
static bool keep_radios = false;
static bool create_action = false;
static const char *destroy_action = NULL;
@ -131,7 +133,13 @@ static void hwsim_ready(void *user_data)
struct l_genl_msg *msg;
if (create_action) {
msg = l_genl_msg_new(HWSIM_CMD_CREATE_RADIO);
msg = l_genl_msg_new_sized(HWSIM_CMD_CREATE_RADIO,
keep_radios ? 0 : 4);
if (!keep_radios)
l_genl_msg_append_attr(msg,
HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE,
0, NULL);
l_genl_family_send(hwsim, msg, create_callback, NULL, NULL);
l_genl_msg_unref(msg);
return;
@ -165,12 +173,15 @@ static void usage(void)
printf("Options:\n"
"\t-C, --create Create new simulated radio\n"
"\t-D, --destroy <id> Destroy existing radio\n"
"\t-k, --keep Do not destroy radios when "
"program exits\n"
"\t-h, --help Show help options\n");
}
static const struct option main_options[] = {
{ "create", no_argument, NULL, 'C' },
{ "destroy", required_argument, NULL, 'D' },
{ "keep", no_argument, NULL, 'k' },
{ "version", no_argument, NULL, 'v' },
{ "help", no_argument, NULL, 'h' },
{ }
@ -186,7 +197,7 @@ int main(int argc, char *argv[])
for (;;) {
int opt;
opt = getopt_long(argc, argv, "CD:vh", main_options, NULL);
opt = getopt_long(argc, argv, "CD:vhk", main_options, NULL);
if (opt < 0)
break;
@ -197,6 +208,9 @@ int main(int argc, char *argv[])
case 'D':
destroy_action = optarg;
break;
case 'k':
keep_radios = true;
break;
case 'v':
printf("%s\n", VERSION);
return EXIT_SUCCESS;