/*
* Print the number of channels and available frequency for the device
*/
static int
print_freq_info(int skfd,
char * ifname,
char * args[], /* Command line args */
int count) /* Args count */
{
struct iwreq wrq;
struct iw_range range;
double freq;
int k;
int channel;
char buffer[128]; /* Temporary buffer */
/* Avoid "Unused parameter" warning */
args = args; count = count;
/* Get list of frequencies / channels */
if(iw_get_range_info(skfd, ifname, &range) < 0)
fprintf(stderr, "%-8.16s no frequency information.\n\n",
ifname);
else
{
if(range.num_frequency > 0)
{
printf("%-8.16s %d channels in total; available frequencies :\n",
ifname, range.num_channels);
/* Print them all */
for(k = 0; k < range.num_frequency; k++)
{
freq = iw_freq2float(&(range.freq[k]));
iw_print_freq_value(buffer, sizeof(buffer), freq);
printf(" Channel %.2d : %s\n",
range.freq[k].i, buffer);
}
}
else
printf("%-8.16s %d channels\n",
ifname, range.num_channels);
/* Get current frequency / channel and display it */
if(iw_get_ext(skfd, ifname, SIOCGIWFREQ, &wrq) >= 0)
{
freq = iw_freq2float(&(wrq.u.freq));
channel = iw_freq_to_channel(freq, &range);
iw_print_freq(buffer, sizeof(buffer),
freq, channel, wrq.u.freq.flags);
printf(" Current %s\n\n", buffer);
}
}
sprintf(cmd, "nvram set %s_channel=%d",ifname, channel);
//printf("cmd %s\n", cmd);
system(cmd);
return(0);
}
static const char *
get_freq_string(void *arg)
{
double freq;
freq = get_freq_number(arg);
if (isnan(freq)) {
xsg_debug("get_freq_string: UNKNOWN");
return NULL;
}
iw_print_freq_value(buffer, sizeof(buffer), freq);
xsg_debug("get_freq_string: \"%s\"", buffer);
return buffer;
}
/* ------------------------------------------------------------------ WirelessInterface_ScanItem */
static int WirelessInterface_ScanItem(wifacesd* data, iwevent* event, iwrange* range, int has_range)
{
static char buf[128];
memset(data, 0, sizeof(wifacesd));
switch (event->cmd) {
case SIOCGIWAP: {
iw_ether_ntop((const struct ether_addr*)(event->u.ap_addr.sa_data), buf);
data->keys[0] = IWSCAN_KE_BSSID;
data->objs[0] = Py_BuildValue("s", buf);
data->num = 1;
return 1;
}
case SIOCGIWFREQ: {
double freq = iw_freq2float(&(event->u.freq));
int channel;
if (freq <= 14.0)
channel = iw_channel_to_freq((int)(freq), &freq, range);
else
channel = iw_freq_to_channel(freq, range);
iw_print_freq_value(buf, sizeof(buf), freq);
data->keys[0] = IWSCAN_KE_FREQUENCY;
data->keys[1] = IWSCAN_KE_CHANNEL;
data->objs[0] = Py_BuildValue("s", buf);
data->objs[1] = Py_BuildValue("i", channel);
data->num = 2;
return 0;
}
case SIOCGIWMODE: {
data->keys[0] = IWSCAN_KE_MODE;
data->objs[0] = Py_BuildValue("s", iw_operation_mode[event->u.mode]);
data->num = 1;
return 0;
}
case SIOCGIWNAME: {
data->keys[0] = IWSCAN_KE_PROTOCOL;
data->objs[0] = Py_BuildValue("s", event->u.name);
data->num = 1;
return 0;
}
case SIOCGIWESSID: {
memcpy(buf, event->u.essid.pointer, event->u.essid.length);
buf[event->u.essid.length] = 0x0;
data->keys[0] = IWSCAN_KE_ESSID;
data->objs[0] = Py_BuildValue("s", buf);
data->num = 1;
return 0;
}
case SIOCGIWENCODE: {
PyObject* pybool;
if (event->u.data.flags & IW_ENCODE_DISABLED) pybool = Py_False;
else pybool = Py_True;
Py_INCREF(pybool);
data->keys[0] = IWSCAN_KE_ENC;
data->objs[0] = pybool;
data->num = 1;
return 0;
}
case SIOCGIWRATE: {
iw_print_bitrate(buf, sizeof(buf), event->u.bitrate.value);
data->keys[0] = IWSCAN_KE_BITRATE;
data->objs[0] = Py_BuildValue("s", buf);
data->num = 1;
return 0;
}
case IWEVQUAL: {
iw_print_stats(buf, sizeof(buf), &event->u.qual, range, has_range);
data->keys[0] = IWSCAN_KE_QUAL;
data->keys[1] = IWSCAN_KE_STATS;
data->objs[0] = Py_BuildValue("i", event->u.qual.qual);
data->objs[1] = Py_BuildValue("s", buf);
data->num = 2;
return 0;
}
case IWEVGENIE: {
unsigned char* buffer = event->u.data.pointer;
int buflen = event->u.data.length;
int offset = 0;
data->keys[0] = IWSCAN_KE_IE;
//PyObject* ie_list = PyList_New(0);
//data->objs[0] = ie_list;
while (offset <= (buflen - 2)) {
//PyList_Append(ie_list, WirelessInterface_ScanIe(buffer + offset, buflen));
data->objs[0] = WirelessInterface_ScanIe(buffer + offset, buflen);
offset += buffer[offset + 1] + 2;
}
data->num = 1;
return 0;
}
default:
return 0;
}
}
