void wifi_close_supplicant_connection(const char *ifname)
{
char supp_status[PROPERTY_VALUE_MAX] = {'\0'};
int count = 50; /* wait at most 5 seconds to ensure init has stopped stupplicant */
if (is_primary_interface(ifname)) {
wifi_close_sockets(PRIMARY);
} else {
/* p2p socket termination needs unblocking the monitor socket
* STA connection does not need it since supplicant gets shutdown
*/
TEMP_FAILURE_RETRY(write(exit_sockets[SECONDARY][0], "T", 1));
wifi_close_sockets(SECONDARY);
//closing p2p connection does not need a wait on
//supplicant stop
return;
}
while (count-- > 0) {
if (property_get(supplicant_prop_name, supp_status, NULL)) {
if (strcmp(supp_status, "stopped") == 0)
return;
}
usleep(100000);
}
}
void wifi_close_supplicant_connection(const char *ifname)
{
char supp_status[PROPERTY_VALUE_MAX] = {'\0'};
int count = 50; /* wait at most 5 seconds to ensure init has stopped stupplicant */
ALOGD("%s: Closing supplicant connecting on %s", __func__, ifname);
if (is_primary_interface(ifname)) {
wifi_close_sockets(PRIMARY);
} else {
/* p2p socket termination needs unblocking the monitor socket
* STA connection does not need it since supplicant gets shutdown
*/
TEMP_FAILURE_RETRY(write(exit_sockets[SECONDARY][0], "T", 1));
/* p2p sockets are closed after the monitor thread
* receives the terminate on the exit socket
*/
ALOGI("close %s connection, directly return", ifname);
return;
}
while (count-- > 0) {
if (property_get(supplicant_prop_name, supp_status, NULL)) {
if (strcmp(supp_status, "stopped") == 0)
return;
}
ALOGE("wait for %s to be stopped time:%d", supplicant_prop_name, 50-count);
usleep(100000);
}
}
int wifi_ctrl_recv(int index, char *reply, size_t *reply_len)
{
int res;
int ctrlfd = wpa_ctrl_get_fd(monitor_conn[index]);
struct pollfd rfds[2];
memset(rfds, 0, 2 * sizeof(struct pollfd));
rfds[0].fd = ctrlfd;
rfds[0].events |= POLLIN;
rfds[1].fd = exit_sockets[index][1];
rfds[1].events |= POLLIN;
res = TEMP_FAILURE_RETRY(poll(rfds, 2, -1));
if (res < 0) {
ALOGE("Error poll = %d", res);
return res;
}
if (rfds[0].revents & POLLIN) {
return wpa_ctrl_recv(monitor_conn[index], reply, reply_len);
} else if (rfds[1].revents & POLLIN) {
/* Close only the p2p sockets on receive side
* see wifi_close_supplicant_connection()
*/
if (index == SECONDARY) {
ALOGD("close sockets %d", index);
wifi_close_sockets(index);
}
}
return -2;
}
int wifi_stop_supplicant(int p2p_supported)
{
char supp_status[PROPERTY_VALUE_MAX] = {'\0'};
int count = 50; /* wait at most 5 seconds for completion */
if (p2p_supported) {
strcpy(supplicant_name, P2P_SUPPLICANT_NAME);
strcpy(supplicant_prop_name, P2P_PROP_NAME);
} else {
strcpy(supplicant_name, SUPPLICANT_NAME);
strcpy(supplicant_prop_name, SUPP_PROP_NAME);
}
wifi_close_sockets();
/* Check whether supplicant already stopped */
if (property_get(supplicant_prop_name, supp_status, NULL)
&& strcmp(supp_status, "stopped") == 0) {
return 0;
}
property_set("ctl.stop", supplicant_name);
sched_yield();
while (count-- > 0) {
if (property_get(supplicant_prop_name, supp_status, NULL)) {
if (strcmp(supp_status, "stopped") == 0)
return 0;
}
usleep(100000);
}
ALOGE("Failed to stop supplicant");
return -1;
}
void wifi_close_supplicant_connection()
{
char supp_status[PROPERTY_VALUE_MAX] = {'\0'};
int count = 50; /* wait at most 5 seconds to ensure init has stopped stupplicant */
wifi_close_sockets();
while (count-- > 0) {
if (property_get(supplicant_prop_name, supp_status, NULL)) {
if (strcmp(supp_status, "stopped") == 0)
return;
}
usleep(100000);
}
}