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hwsim: Add attribute to destroy radio when program stops

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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;