add iotcloud aliyun

port/linux/package/pikascript/iotcloud.py

@@ -0,0 +1,53 @@
+import hmac
+import mqtt
+
+
+class IOT:
+    def __init__(self):
+        self._signMethodTable = ["hmac-md5", "hmac-sha1", "hmac-sha256"]
+
+    def aliyun(self, clientId: str, productKey: str, deviceName: str, deviceSecret: str,
+               signMethod="hmac-md5", regionID="cn-shanghai", ssl=False):
+        if clientId == None or productKey == None or deviceName == None or deviceSecret == None:
+            print("[Error]input param is None")
+            return False
+        if not signMethod in self._signMethodTable:
+            print("[Error] not support signMethod")
+            return False
+        if ssl:
+            securemode = "2"
+            self._mqttPort = int(443)
+        else:
+            securemode = "3"
+            self._mqttPort = int(1883)
+
+        hmac_payload = "clientId" + clientId + "deviceName" + \
+            deviceName + "productKey" + productKey
+        self._mqttPassword = hmac.new(deviceSecret.encode(
+        ), msg=hmac_payload.encode(), digestmod=signMethod).hexdigest()
+        self._mqttClientId = clientId + "|securemode=" + securemode + \
+            ",signmethod="+signMethod.replace("-", "")+"|"
+        self._mqttUsername = deviceName + "&" + productKey
+        self._mqttUri = productKey + ".iot-as-mqtt." + regionID + ".aliyuncs.com"
+
+    def tencent(self): ...
+    def onenet(self): ...
+
+    def connect(self):
+        self._client = mqtt.MQTT(self._mqttUri, port=self._mqttPort, clinetID=self._mqttClientId,
+                                 username=self._mqttUsername, password=self._mqttPassword, keepalive=600)
+        return self._client.connect()
+
+    def disconnect(self):
+        return self._client.disconnect()
+
+    def subsribe(self, topic, qos, cb):
+        return self._client.subscribe(topic, qos, cb)
+
+    def publish(self, topic, qos, payload):
+        return self._client.publish(qos, topic, payload)
+
+
+def new():
+    iot = IOT()
+    return iot

test/python/iotcloud/test_basic_aliyun.py

@@ -0,0 +1,32 @@
+
+from PikaStdDevice import Time
+import iotcloud
+
+clientId = "pikascript"
+productKey = "xxx"
+deviceName = "test1"
+deviceSecret = "xxxxx"
+
+topic = "/" + productKey + "/" + deviceName + "/user/update"
+
+print("iotcloud aliyun test")
+c = iotcloud.new()
+c.aliyun(clientId, productKey, deviceName, deviceSecret)
+
+
+def up_cb():
+    print("sub topic:", c.recv_topic)
+    print("sub msg:", c.recv_msg)
+
+
+e = c.connect()
+print("connect:", e)
+if e == 0:
+    print("subcribe status:", c.subsribe(topic, 0, up_cb))
+
+    for i in range(10):
+        print("publish status:", c.publish(topic, 0, '{"id":'+str(i)+'}'))
+        Time.sleep_s(5)
+
+a = c.disconnect()
+print("disconnect status:", a)