/*get the channel current in use*/
int get_current_channel(int radio, Channel_t *channel_get)
{
char str[256] = {0},c;
char channel_s[8] = {0};
char frequency_s[8] = {0};
char vap_name[8] = {0};
int wlan_mode = 0;
int ret;
FILE *fin;
char cmd[256];
float tmp_frequency = 0;
nvram_get_wlan_mode(radio, &wlan_mode);
ret = construct_vap(vap_name, radio, 0, wlan_mode);
if (T_FAILURE == ret) {
printf("ERROR:Get VAP Name Failure!\n");
return T_FAILURE;
}
//The command I wanna is iwlist ath0 channel | grep Current | awk '{gsub(/)/,"");print}' | awk '{print substr($5,0)}'
sprintf(cmd, "iwlist %s channel | grep Current | awk '{gsub(/)/,\"\");print}' | awk '{print substr($5,0)}' > /tmp/current_channel", vap_name);
EXE_COMMAND(cmd);
fin = fopen("/tmp/current_channel","r");
while ((c=fgetc(fin)) != EOF){
ungetc(c,fin);
readline(str,fin);
strcpy_delspace(str, channel_s);
channel_get->chan_number = atoi(channel_s);
}
fclose(fin);
EXE_COMMAND("rm -f /tmp/current_channel");
memset(cmd, 0, sizeof(cmd));
//The command I wanna is iwlist ath0 channel | grep Current | awk '{gsub(/\./,"");print}' | awk '{print substr($2,11)}'
//sprintf(cmd, "iwlist %s channel | grep Current | awk '{gsub(/\\./,\"\");print}' | awk '{print substr($2,11)}' > /tmp/current_frequency", vap_name);
sprintf(cmd, "iwlist %s channel | grep Current | awk '{print substr($2,11)}' > /tmp/current_frequency", vap_name);
EXE_COMMAND(cmd);
fin = fopen("/tmp/current_frequency","r");
while ((c=fgetc(fin)) != EOF){
ungetc(c,fin);
readline(str,fin);
strcpy_delspace(str, frequency_s);
//channel_get->frequency = atoi(frequency_s);
tmp_frequency = atof(frequency_s);
tmp_frequency = tmp_frequency * 1000;
channel_get->frequency = (int)tmp_frequency;
}
fclose(fin);
EXE_COMMAND("rm -f /tmp/current_frequency");
return T_SUCCESS;
}
/*get the bandwidth current in use*/
int get_bandwidth(int radio, int *htbw)
{
char str[256] ={0},c;
//int bandwidth;
int wlan_mode;
char wireless_mode[32] = {0};
char vap_name[8];
int ret;
FILE *fin;
char cmd[256];
nvram_get_wlan_mode(radio, &wlan_mode);
ret = construct_vap(vap_name, radio, 0, wlan_mode);
if (T_FAILURE == ret) {
printf("ERROR:Get VAP Name Failure!\n");
return T_FAILURE;
}
if(WLAN_MODE_STA == wlan_mode){
sprintf(cmd, "iwpriv %s get_chwidth | awk -F\: '{print $2}' >> /tmp/current_chwidth", vap_name);
EXE_COMMAND(cmd);
fin = fopen("/tmp/current_chwidth","r");
/*Parse rate from /tmp/current_chwidth file*/
while ((c=fgetc(fin)) != EOF){
ungetc(c,fin);
readline(str,fin);
strcpy_delspace(str, wireless_mode);
}
fclose(fin);
EXE_COMMAND("rm -f /tmp/current_chwidth");
if (strstr(wireless_mode, "0") != NULL) {
*htbw = BANDWIDTH_20;
} else if (strstr(wireless_mode, "1") != NULL) {
*htbw = BANDWIDTH_40;
} else if (strstr(wireless_mode, "2") != NULL) {
*htbw = BANDWIDTH_80;
} else {
MID_ERROR("Can not get wireless mode or the wireless mode is not supported by now!");
return T_FAILURE;
}
}else{
/*Get wlan rate*/
int get_wlan_rate(int radio,int *rate)
{
char str[256] = {0},c;
char rate_s[8] = {0};
char vap_name[8];
int wlan_mode;
int ret;
FILE *fin = NULL;
char cmd[256];
//Set rate as 0 first
*rate = 0;
nvram_get_wlan_mode(radio, &wlan_mode);
ret = construct_vap(vap_name, radio, 0, wlan_mode);
if (T_FAILURE == ret) {
printf("ERROR:Get VAP Name Failure!\n");
return T_FAILURE;
}
sprintf(cmd, "iwconfig %s | grep Rate | awk '{print substr($2,6,3)}' > /tmp/current_wlan_rate", vap_name);
EXE_COMMAND(cmd);
fin = fopen("/tmp/current_wlan_rate","r");
/*Parse rate from /tmp/current_wlan_rate file*/
while ((c=fgetc(fin)) != EOF){
ungetc(c,fin);
readline(str,fin);
strcpy_delspace(str, rate_s);
*rate = atoi(rate_s);
}
fclose(fin);
EXE_COMMAND("rm -f /tmp/current_wlan_rate");
return T_SUCCESS;
}
/*get the channel current in use*/
int get_extchannel(int radio, Channel_t *extchannel_get)
{
int ret = 0;
int bandWidth = 0;
int wlan_mode = 0;
FILE *fin;
char c;
char str[256] = {0};
char cmd[256] = {0};
char exchannel[8] = {0};
char vap_name[8] = {0};
Channel_t channel_get;
memset(&channel_get, 0, sizeof(Channel_t));
ret = get_bandwidth(radio, &bandWidth);
if (ret == T_FAILURE) {
printf("Error: Get BandWidth Failure\n");
return T_FAILURE;
}
if (BANDWIDTH_40 == bandWidth) {
ret = get_current_channel(radio, &channel_get);
if (T_FAILURE == ret) {
printf("Error:Get Operation Channel Failure\n");
return T_FAILURE;
} else {
nvram_get_wlan_mode(radio, &wlan_mode);
ret = construct_vap(vap_name, radio, 0, wlan_mode);
if (T_FAILURE == ret) {
printf("Error:Get Vap Name Failure\n");
return T_FAILURE;
}
//iwpriv athN get_chextoffset | awk '{gsub(/get_chextoffset:/,"");print}' | awk '{print $2}' > /tmp/extchannel
sprintf(cmd, "iwpriv %s get_chextoffset | awk '{gsub(/get_chextoffset:/,\"\");print}' | awk '{print $2}' > /tmp/extchannel", vap_name);
EXE_COMMAND(cmd);
fin = fopen("/tmp/extchannel","r");
while ((c=fgetc(fin)) != EOF){
ungetc(c,fin);
readline(str,fin);
strcpy_delspace(str, exchannel);
}
fclose(fin);
EXE_COMMAND("rm -fr /tmp/extchannel");
if (!strcmp(exchannel, "1")) {
extchannel_get->chan_number = channel_get.chan_number + 4;
extchannel_get->frequency = channel_get.frequency + 20;
} else if (!strcmp(exchannel, "-1")) {
extchannel_get->chan_number = channel_get.chan_number - 4;
extchannel_get->frequency = channel_get.frequency - 20;
} else {
printf("Error: CMD get_chextoffset Failure\n");
return T_FAILURE;
}
}
} else {
printf("Get BandWidth Not 40MHz\n");
return T_FAILURE;
}
return T_SUCCESS;
}
/*Get STA Connected AP Wireless Mode*/
int get_sta_assoc_wmode(int radio, char *wmode)
{
char cmd[128];
char bssid[32], converted_bssid[32];
FILE *fp;
char *pBssidList = (char*)malloc(256 * sizeof (char));
char tmpBSSID[28], tmpWMODE[16];
char bssid_get[28], wireless_mode_get[16];
get_sta_assoc_bssid(radio, bssid);
//printf("bssid is %s\n", bssid);
/*Set apcli site survey as enable*/
sprintf(cmd, "iwpriv apclii0 set SiteSurvey=1");
EXE_COMMAND(cmd);
memset(cmd, 0, sizeof(cmd));
/*Carry out site survey, restore the result to /tmp/site_survey_middleware.dat file*/
format_bssid_upper(bssid, converted_bssid);
sprintf(cmd, "iwpriv apclii0 get_site_survey | grep \"%s\" > /tmp/site_survey_middleware.dat", converted_bssid);
EXE_COMMAND(cmd);
//printf("%s\n", cmd);
memset(cmd, 0, sizeof(cmd));
if (NULL == (fp = fopen("/tmp/site_survey_middleware.dat","r")))
{
printf("Ap list is NONE\n");
free(pBssidList);
return T_FAILURE;
}
else
{
//fgets(pBssidList, 256, fp);
//fgets(pBssidList, 256, fp);
while(!feof(fp)){
memset(tmpBSSID, 0x00, sizeof(tmpBSSID));
memset(tmpWMODE, 0x00, sizeof(tmpWMODE));
memset(bssid_get, 0x00, sizeof(bssid_get));
memset(wireless_mode_get, 0x00, sizeof(wireless_mode_get));
fgets(pBssidList, 256, fp);
snprintf(tmpBSSID, 19, "%s", pBssidList+39);
format_bssid_upper(tmpBSSID, bssid_get);
//printf("bssid_get is %s\n", bssid_get);
snprintf(tmpWMODE, 9, "%s", pBssidList+90);
strcpy_delspace(tmpWMODE, wireless_mode_get);
//printf("wireless_mode_get is %s\n", wireless_mode_get);
if(!strcmp(bssid, bssid_get))
{
strcpy(wmode, wireless_mode_get);
//printf("wmode is %s\n", wmode);
break;
}
}
}
free(pBssidList);
fclose(fp);
//sprintf(cmd, "rm -rf /tmp/site_survey_middleware.dat");
//EXE_COMMAND(cmd);
return T_SUCCESS;
}