def fsys_export(self,pin):
if(pin<408 or pin>415):
p.warn("fsys export error, pin "+str(pin)+" out of range (408-415)")
else:
try:
f = open("/sys/class/gpio/export","w")
f.write(str(pin))
f.close()
except:
p.warn("Failed to set pin "+str(pin)+" as output")
def get(self,pin):
if(rpi_support):
return int(GPIO.input(pin))
elif(fsys_support and pin>=408 and pin<=415):
try:
gpiopin = "gpio%s" % (str(pin))
f = open("/sys/class/gpio/"+gpiopin+"/direction","w")
f.write("in")
f.close()
f = open("/sys/class/gpio/"+gpiopin+"/value","r")
val=f.read()
f.close()
#rint("read from pin "+str(pin)+" returned "+str(int(val)))
return int(val)
except:
p.warn("failed to read from pin "+str(pin))
return int(0)
def set(self,pin,level):
if(rpi_support):
if(level==0):
p.rint("setting pin "+str(pin)+" weak low","g")
GPIO.setup(pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
else:
p.rint("setting pin "+str(pin)+" high","g")
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin,1)
elif(fsys_support and pin>=408 and pin<=415):
try:
gpiopin = "gpio%s" % (str(pin))
f = open("/sys/class/gpio/"+gpiopin+"/direction","w")
f.write("out")
f.close()
f = open("/sys/class/gpio/"+gpiopin+"/value","w")
if(level==0):
f.write("0")
else:
f.write("1")
f.close()
except:
p.warn("failed to write to pin "+str(pin))
def get_data(self, mid):
try:
self.connect()
#rint("try:")
with self.connection.cursor() as cursor:
# Read a single record
#rint("get_data gen req:")
req = "SELECT COUNT(*) FROM m2m WHERE mid= %s"
cursor.execute(req, str(mid))
result_count = cursor.fetchone()
#rint(result)
#rint(result)
if(result_count["COUNT(*)"] == 1):
req = "SELECT * FROM m2m WHERE mid= %s"
cursor.execute(req, str(mid))
result = cursor.fetchone()
# area is just an id, lets replace it with a name and som location data
req2 = "SELECT area, longitude, latitude FROM area_state WHERE id= %s"
cursor.execute(req2, str(result["area"]))
result2 = cursor.fetchone()
result["area_id"]=result["area"]
result["latitude"]=result2["latitude"]
result["longitude"]=result2["longitude"]
result["area"]=result2["area"]
else:
result = -1
p.warn("SQL get data for ->%s<- did not return 1 line but %s"%(str(mid),str(result_count["COUNT(*)"])))
#rint(result)
except:
self.he()
result = -2
self.close()
return result
def handle (client, addr):
lock = threading.Lock()
busy=1
while 1:
try:
rList, wList, xList = select([client.conn], [client.conn], [client.conn], 3)
except Exception as n:
p.warn("S_m2m Select() return an exception for connection "+str(addr)+":"+str(n))
disconnect(client)
break
if(busy==0):
time.sleep(0.03)
busy=0
######################## SEND ###########################
if(len(wList)>0):
try:
if(len(client.sendq)>0):
busy=1
payload=client.sendq[0]
client.sendq.remove(payload)
msg= bytearray()
# add payload
for d in bytearray(payload):
msg.append(d)
client.conn.send(msg)
p.rint("m2m send "+str(len(msg))+" bytes","w")
except Exception as n:
print("exception!!!")
print(n)
disconnect(client)
######################## SEND ###########################
####################### RECEIVE ##########################
if(len(rList)>0):
busy=1
lt=""
try:
#print(addr,end="")
#print("server_m2m: rList has "+str(len(rList))+" Elements")
lt="start _handleData()"
res = recv_data(client, MAX_MSG_SIZE)
if(res<0):
disconnect(client)
except Exception as n:
print("exception!!!")
print(n)
print("")
print("except, our status ",end="")
print(lt,end="")
print(" sys:",end="")
print(sys.exc_info()[0])
print("")
disconnect(client)
####################### RECEIVE ##########################
######################## ERROR ##########################
if(len(xList)>0):
busy=1
try:
print("exception!!!")
if client.conn:
client.conn.close()
try:
for callb in callback_con:
callb("disconnect",client)
except:
break;
pass
try:
clients.remove(client)
except:
break;
pass
except:
pass
break;
######################## ERROR ##########################
######################## MAINTAINANCE ##########################
if(time.time()-client.debug_ts>1):
client.debug_ts=time.time()
######################## MAINTAINANCE ##########################
p.rint("[S_m2m "+time.strftime("%H:%M:%S")+"] -> Client closed:"+str(addr),"l")
