generated from guanyuankai/bonus-edge-proxy
694 lines
17 KiB
C
694 lines
17 KiB
C
#include <Python.h>
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#include "MQTTClient.h"
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#include "LinkedList.h"
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static PyObject *MqttV3Error;
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static PyObject* mqttv3_create(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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char* serverURI;
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char* clientId;
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int persistence_option = MQTTCLIENT_PERSISTENCE_DEFAULT;
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int rc;
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if (!PyArg_ParseTuple(args, "ss|i", &serverURI, &clientId,
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&persistence_option))
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return NULL;
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if (persistence_option != MQTTCLIENT_PERSISTENCE_DEFAULT
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&& persistence_option != MQTTCLIENT_PERSISTENCE_NONE)
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{
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PyErr_SetString(PyExc_TypeError, "persistence must be DEFAULT or NONE");
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return NULL;
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}
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rc = MQTTClient_create(&c, serverURI, clientId, persistence_option, NULL);
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printf("create MQTTClient pointer %p\n", c);
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return Py_BuildValue("ik", rc, c);
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}
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static List* callbacks = NULL;
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typedef struct
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{
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MQTTClient c;
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PyObject *context;
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PyObject *cl, *ma, *dc;
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} CallbackEntry;
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int clientCompare(void* a, void* b)
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{
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CallbackEntry* e = (CallbackEntry*) a;
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return e->c == (MQTTClient) b;
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}
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void connectionLost(void* context, char* cause)
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{
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/* call the right Python function, using the context */
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PyObject *arglist;
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PyObject *result;
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CallbackEntry* e = context;
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PyGILState_STATE gstate;
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gstate = PyGILState_Ensure();
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arglist = Py_BuildValue("Os", e->context, cause);
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result = PyEval_CallObject(e->cl, arglist);
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Py_DECREF(arglist);
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PyGILState_Release(gstate);
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}
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int messageArrived(void* context, char* topicName, int topicLen,
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MQTTClient_message* message)
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{
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PyObject *result = NULL;
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CallbackEntry* e = context;
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int rc = -99;
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PyGILState_STATE gstate;
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//printf("messageArrived %s %s %d %.*s\n", PyString_AsString(e->context), topicName, topicLen,
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// message->payloadlen, (char*)message->payload);
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gstate = PyGILState_Ensure();
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if (topicLen == 0)
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result = PyEval_CallFunction(e->ma, "Os{ss#sisisisi}", e->context,
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topicName, "payload", message->payload, message->payloadlen,
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"qos", message->qos, "retained", message->retained, "dup",
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message->dup, "msgid", message->msgid);
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else
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result = PyEval_CallFunction(e->ma, "Os#{ss#sisisisi}", e->context,
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topicName, topicLen, "payload", message->payload,
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message->payloadlen, "qos", message->qos, "retained",
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message->retained, "dup", message->dup, "msgid",
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message->msgid);
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if (result)
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{
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if (PyInt_Check(result))
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rc = (int) PyInt_AsLong(result);
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Py_DECREF(result);
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}
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PyGILState_Release(gstate);
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MQTTClient_free(topicName);
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MQTTClient_freeMessage(&message);
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return rc;
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}
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void deliveryComplete(void* context, MQTTClient_deliveryToken dt)
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{
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PyObject *arglist;
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PyObject *result;
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CallbackEntry* e = context;
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PyGILState_STATE gstate;
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gstate = PyGILState_Ensure();
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arglist = Py_BuildValue("Oi", e->context, dt);
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result = PyEval_CallObject(e->dc, arglist);
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Py_DECREF(arglist);
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PyGILState_Release(gstate);
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}
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static PyObject* mqttv3_setcallbacks(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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CallbackEntry* e = NULL;
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int rc;
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e = malloc(sizeof(CallbackEntry));
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if (!PyArg_ParseTuple(args, "kOOOO", &c, (PyObject**) &e->context, &e->cl,
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&e->ma, &e->dc))
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return NULL;
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e->c = c;
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printf("setCallbacks MQTTClient pointer %p\n", c);
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if ((e->cl != Py_None && !PyCallable_Check(e->cl))
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|| (e->ma != Py_None && !PyCallable_Check(e->ma))
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|| (e->dc != Py_None && !PyCallable_Check(e->dc)))
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{
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PyErr_SetString(PyExc_TypeError,
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"3rd, 4th and 5th parameters must be callable or None");
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return NULL;
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}
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_setCallbacks(c, e, connectionLost,
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messageArrived, deliveryComplete);
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Py_END_ALLOW_THREADS
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if (rc == MQTTCLIENT_SUCCESS)
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{
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ListElement* temp = NULL;
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if ((temp = ListFindItem(callbacks, c, clientCompare)) != NULL)
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{
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ListDetach(callbacks, temp->content);
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free(temp->content);
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}
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ListAppend(callbacks, e, sizeof(e));
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Py_XINCREF(e->cl);
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Py_XINCREF(e->ma);
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Py_XINCREF(e->dc);
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Py_XINCREF(e->context);
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}
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_connect(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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PyObject *pyoptions = NULL, *temp;
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MQTTClient_connectOptions options = MQTTClient_connectOptions_initializer;
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MQTTClient_willOptions woptions = MQTTClient_willOptions_initializer;
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int rc;
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if (!PyArg_ParseTuple(args, "k|O", &c, &pyoptions))
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return NULL;
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printf("connect MQTTClient pointer %p\n", c);
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if (!pyoptions)
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goto skip;
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if (!PyDict_Check(pyoptions))
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{
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PyErr_SetString(PyExc_TypeError, "2nd parameter must be a dictionary");
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return NULL;
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}
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if ((temp = PyDict_GetItemString(pyoptions, "keepAliveInterval")) != NULL)
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{
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if (PyInt_Check(temp))
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options.keepAliveInterval = (int) PyInt_AsLong(temp);
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else
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{
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PyErr_SetString(PyExc_TypeError,
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"keepAliveLiveInterval value must be int");
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return NULL;
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}
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}
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if ((temp = PyDict_GetItemString(pyoptions, "cleansession")) != NULL)
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{
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if (PyInt_Check(temp))
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options.cleansession = (int) PyInt_AsLong(temp);
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else
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{
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PyErr_SetString(PyExc_TypeError, "cleansession value must be int");
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return NULL;
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}
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}
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if ((temp = PyDict_GetItemString(pyoptions, "reliable")) != NULL)
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{
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if (PyInt_Check(temp))
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options.reliable = (int) PyInt_AsLong(temp);
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else
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{
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PyErr_SetString(PyExc_TypeError, "reliable value must be int");
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return NULL;
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}
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}
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if ((temp = PyDict_GetItemString(pyoptions, "will")) != NULL)
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{
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if (PyDict_Check(temp))
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{
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PyObject *wtemp = NULL;
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if ((wtemp = PyDict_GetItemString(temp, "topicName")) == NULL)
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{
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PyErr_SetString(PyExc_TypeError,
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"will topicName value must be set");
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return NULL;
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}
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else
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{
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if (PyString_Check(wtemp))
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woptions.topicName = PyString_AsString(wtemp);
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else
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{
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PyErr_SetString(PyExc_TypeError,
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"will topicName value must be string");
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return NULL;
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}
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}
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if ((wtemp = PyDict_GetItemString(temp, "message")) == NULL)
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{
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PyErr_SetString(PyExc_TypeError,
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"will message value must be set");
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return NULL;
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}
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else
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{
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if (PyString_Check(wtemp))
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woptions.message = PyString_AsString(wtemp);
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else
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{
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PyErr_SetString(PyExc_TypeError,
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"will message value must be string");
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return NULL;
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}
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}
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if ((wtemp = PyDict_GetItemString(temp, "retained")) != NULL)
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{
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if (PyInt_Check(wtemp))
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woptions.retained = (int) PyInt_AsLong(wtemp);
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else
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{
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PyErr_SetString(PyExc_TypeError,
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"will retained value must be int");
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return NULL;
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}
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}
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if ((wtemp = PyDict_GetItemString(temp, "qos")) != NULL)
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{
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if (PyInt_Check(wtemp))
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woptions.qos = (int) PyInt_AsLong(wtemp);
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else
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{
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PyErr_SetString(PyExc_TypeError,
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"will qos value must be int");
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return NULL;
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}
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}
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options.will = &woptions;
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}
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else
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{
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PyErr_SetString(PyExc_TypeError, "will value must be dictionary");
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return NULL;
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}
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}
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if ((temp = PyDict_GetItemString(pyoptions, "username")) != NULL)
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{
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if (PyString_Check(temp))
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options.username = PyString_AsString(temp);
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else
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{
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PyErr_SetString(PyExc_TypeError, "username value must be string");
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return NULL;
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}
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}
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if ((temp = PyDict_GetItemString(pyoptions, "password")) != NULL)
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{
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if (PyString_Check(temp))
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options.username = PyString_AsString(temp);
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else
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{
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PyErr_SetString(PyExc_TypeError, "password value must be string");
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return NULL;
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}
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}
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skip: Py_BEGIN_ALLOW_THREADS rc = MQTTClient_connect(c, &options);
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Py_END_ALLOW_THREADS
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_disconnect(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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int timeout = 0;
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int rc;
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if (!PyArg_ParseTuple(args, "k|i", &c, &timeout))
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return NULL;
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_disconnect(c, timeout);
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Py_END_ALLOW_THREADS
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_isConnected(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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int rc;
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if (!PyArg_ParseTuple(args, "k", &c))
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return NULL;
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_isConnected(c);
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Py_END_ALLOW_THREADS
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_subscribe(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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char* topic;
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int qos = 2;
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int rc;
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if (!PyArg_ParseTuple(args, "ks|i", &c, &topic, &qos))
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return NULL;
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_subscribe(c, topic, qos);
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Py_END_ALLOW_THREADS
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_subscribeMany(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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PyObject* topicList;
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PyObject* qosList;
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int count;
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char** topics;
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int* qoss;
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int i, rc = 0;
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if (!PyArg_ParseTuple(args, "kOO", &c, &topicList, &qosList))
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return NULL;
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if (!PySequence_Check(topicList) || !PySequence_Check(qosList))
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{
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PyErr_SetString(PyExc_TypeError,
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"3rd and 4th parameters must be sequences");
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return NULL;
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}
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if ((count = PySequence_Length(topicList)) != PySequence_Length(qosList))
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{
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PyErr_SetString(PyExc_TypeError,
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"3rd and 4th parameters must be sequences of the same length");
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return NULL;
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}
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topics = malloc(count * sizeof(char*));
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for (i = 0; i < count; ++i)
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topics[i] = PyString_AsString(PySequence_GetItem(topicList, i));
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qoss = malloc(count * sizeof(int));
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for (i = 0; i < count; ++i)
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qoss[i] = (int) PyInt_AsLong(PySequence_GetItem(qosList, i));
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_subscribeMany(c, count, topics,
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qoss);
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Py_END_ALLOW_THREADS
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for (i = 0; i < count; ++i)
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PySequence_SetItem(qosList, i, PyInt_FromLong((long) qoss[i]));
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free(topics);
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free(qoss);
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if (rc == MQTTCLIENT_SUCCESS)
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return Py_BuildValue("iO", rc, qosList);
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else
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_unsubscribe(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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char* topic;
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int rc;
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if (!PyArg_ParseTuple(args, "ks", &c, &topic))
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return NULL;
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_unsubscribe(c, topic);
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Py_END_ALLOW_THREADS
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_unsubscribeMany(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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PyObject* topicList;
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int count;
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char** topics;
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int i, rc = 0;
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if (!PyArg_ParseTuple(args, "kOO", &c, &topicList))
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return NULL;
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if (!PySequence_Check(topicList))
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{
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PyErr_SetString(PyExc_TypeError, "3rd parameter must be sequences");
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return NULL;
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}
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count = PySequence_Length(topicList);
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topics = malloc(count * sizeof(char*));
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for (i = 0; i < count; ++i)
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topics[i] = PyString_AsString(PySequence_GetItem(topicList, i));
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_unsubscribeMany(c, count, topics);
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Py_END_ALLOW_THREADS
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free( topics);
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_publish(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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char* topicName;
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int payloadlen;
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void* payload;
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int qos = 0;
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int retained = 0;
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MQTTClient_deliveryToken dt;
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int rc;
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if (!PyArg_ParseTuple(args, "kss#|ii", &c, &topicName, &payload,
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&payloadlen, &qos, &retained))
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return NULL;
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_publish(c, topicName, payloadlen,
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payload, qos, retained, &dt);
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Py_END_ALLOW_THREADS
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if (rc == MQTTCLIENT_SUCCESS && qos > 0)
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return Py_BuildValue("ii", rc, dt);
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else
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_publishMessage(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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char* topicName;
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PyObject *message, *temp;
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MQTTClient_message msg = MQTTClient_message_initializer;
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MQTTClient_deliveryToken dt;
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int rc;
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if (!PyArg_ParseTuple(args, "ksO", &c, &topicName, &message))
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return NULL;
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if (!PyDict_Check(message))
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{
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PyErr_SetString(PyExc_TypeError, "3rd parameter must be a dictionary");
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return NULL;
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}
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if ((temp = PyDict_GetItemString(message, "payload")) == NULL)
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{
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PyErr_SetString(PyExc_TypeError, "dictionary must have payload key");
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return NULL;
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}
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if (PyString_Check(temp))
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PyString_AsStringAndSize(temp, (char**) &msg.payload,
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(Py_ssize_t*) &msg.payloadlen);
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else
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{
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PyErr_SetString(PyExc_TypeError, "payload value must be string");
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return NULL;
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}
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if ((temp = PyDict_GetItemString(message, "qos")) == NULL)
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msg.qos = (int) PyInt_AsLong(temp);
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if ((temp = PyDict_GetItemString(message, "retained")) == NULL)
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msg.retained = (int) PyInt_AsLong(temp);
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_publishMessage(c, topicName, &msg,
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&dt);
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Py_END_ALLOW_THREADS
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if (rc == MQTTCLIENT_SUCCESS && msg.qos > 0)
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return Py_BuildValue("ii", rc, dt);
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else
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return Py_BuildValue("i", rc);
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}
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static PyObject* mqttv3_waitForCompletion(PyObject* self, PyObject *args)
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{
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MQTTClient c;
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unsigned long timeout = 1000L;
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MQTTClient_deliveryToken dt;
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int rc;
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if (!PyArg_ParseTuple(args, "ki|i", &c, &dt, &timeout))
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return NULL;
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Py_BEGIN_ALLOW_THREADS rc = MQTTClient_waitForCompletion(c, dt, timeout);
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Py_END_ALLOW_THREADS
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return Py_BuildValue("i", rc);
|
|
}
|
|
|
|
static PyObject* mqttv3_getPendingDeliveryTokens(PyObject* self, PyObject *args)
|
|
{
|
|
MQTTClient c;
|
|
MQTTClient_deliveryToken* tokens;
|
|
int rc;
|
|
|
|
if (!PyArg_ParseTuple(args, "k", &c))
|
|
return NULL;
|
|
|
|
Py_BEGIN_ALLOW_THREADS rc = MQTTClient_getPendingDeliveryTokens(c, &tokens);
|
|
Py_END_ALLOW_THREADS
|
|
|
|
if (rc == MQTTCLIENT_SUCCESS)
|
|
{
|
|
int i = 0;
|
|
PyObject* dts = PyList_New(0);
|
|
|
|
while (tokens[i] != -1)
|
|
PyList_Append(dts, PyInt_FromLong((long) tokens[i]));
|
|
|
|
return Py_BuildValue("iO", rc, dts);
|
|
}
|
|
else
|
|
return Py_BuildValue("i", rc);
|
|
}
|
|
|
|
static PyObject* mqttv3_yield(PyObject* self, PyObject *args)
|
|
{
|
|
if (!PyArg_ParseTuple(args, ""))
|
|
return NULL;
|
|
|
|
Py_BEGIN_ALLOW_THREADS
|
|
MQTTClient_yield();
|
|
Py_END_ALLOW_THREADS
|
|
|
|
Py_INCREF( Py_None);
|
|
return Py_None;
|
|
}
|
|
|
|
static PyObject* mqttv3_receive(PyObject* self, PyObject *args)
|
|
{
|
|
MQTTClient c;
|
|
unsigned long timeout = 1000L;
|
|
int rc;
|
|
PyObject* temp = NULL;
|
|
|
|
char* topicName;
|
|
int topicLen;
|
|
MQTTClient_message* message;
|
|
|
|
if (!PyArg_ParseTuple(args, "k|k", &c, &timeout))
|
|
return NULL;
|
|
Py_BEGIN_ALLOW_THREADS rc = MQTTClient_receive(c, &topicName, &topicLen,
|
|
&message, timeout);
|
|
Py_END_ALLOW_THREADS
|
|
if (message)
|
|
{
|
|
temp = Py_BuildValue("is#{ss#sisisisi}", rc, topicName, topicLen,
|
|
"payload", message->payload, message->payloadlen, "qos",
|
|
message->qos, "retained", message->retained, "dup",
|
|
message->dup, "msgid", message->msgid);
|
|
free(topicName);
|
|
MQTTClient_freeMessage(&message);
|
|
}
|
|
else
|
|
temp = Py_BuildValue("iz", rc, NULL);
|
|
|
|
return temp;
|
|
}
|
|
|
|
static PyObject* mqttv3_destroy(PyObject* self, PyObject *args)
|
|
{
|
|
MQTTClient c;
|
|
ListElement* temp = NULL;
|
|
|
|
if (!PyArg_ParseTuple(args, "k", &c))
|
|
return NULL;
|
|
|
|
if ((temp = ListFindItem(callbacks, c, clientCompare)) != NULL)
|
|
{
|
|
ListDetach(callbacks, temp->content);
|
|
free(temp->content);
|
|
}
|
|
|
|
MQTTClient_destroy(&c);
|
|
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
|
|
static PyMethodDef MqttV3Methods[] =
|
|
{
|
|
{ "create", mqttv3_create, METH_VARARGS, "Create an MQTTv3 client." },
|
|
{ "setcallbacks", mqttv3_setcallbacks, METH_VARARGS,
|
|
"Sets the callback functions for a particular client." },
|
|
{ "connect", mqttv3_connect, METH_VARARGS,
|
|
"Connects to a server using the specified options." },
|
|
{ "disconnect", mqttv3_disconnect, METH_VARARGS,
|
|
"Disconnects from a server." },
|
|
{ "isConnected", mqttv3_isConnected, METH_VARARGS,
|
|
"Determines if this client is currently connected to the server." },
|
|
{ "subscribe", mqttv3_subscribe, METH_VARARGS,
|
|
"Subscribe to the given topic." },
|
|
{ "subscribeMany", mqttv3_subscribeMany, METH_VARARGS,
|
|
"Subscribe to the given topics." },
|
|
{ "unsubscribe", mqttv3_unsubscribe, METH_VARARGS,
|
|
"Unsubscribe from the given topic." },
|
|
{ "unsubscribeMany", mqttv3_unsubscribeMany, METH_VARARGS,
|
|
"Unsubscribe from the given topics." },
|
|
{ "publish", mqttv3_publish, METH_VARARGS,
|
|
"Publish a message to the given topic." },
|
|
{ "publishMessage", mqttv3_publishMessage, METH_VARARGS,
|
|
"Publish a message to the given topic." },
|
|
{ "waitForCompletion", mqttv3_waitForCompletion, METH_VARARGS,
|
|
"Waits for the completion of the delivery of the message represented by a delivery token." },
|
|
{ "getPendingDeliveryTokens", mqttv3_getPendingDeliveryTokens,
|
|
METH_VARARGS,
|
|
"Returns the delivery tokens pending of completion." },
|
|
{ "yield", mqttv3_yield, METH_VARARGS,
|
|
"Single-thread keep alive but don't receive message." },
|
|
{ "receive", mqttv3_receive, METH_VARARGS,
|
|
"Single-thread receive message if available." },
|
|
{ "destroy", mqttv3_destroy, METH_VARARGS,
|
|
"Free memory allocated to a MQTT client. It is the opposite to create." },
|
|
{ NULL, NULL, 0, NULL } /* Sentinel */
|
|
};
|
|
|
|
PyMODINIT_FUNC initpaho_mqtt3c(void)
|
|
{
|
|
PyObject *m;
|
|
|
|
PyEval_InitThreads();
|
|
|
|
callbacks = ListInitialize();
|
|
|
|
m = Py_InitModule("paho_mqtt3c", MqttV3Methods);
|
|
if (m == NULL)
|
|
return;
|
|
|
|
MqttV3Error = PyErr_NewException("paho_mqtt3c.error", NULL, NULL);
|
|
Py_INCREF(MqttV3Error);
|
|
PyModule_AddObject(m, "error", MqttV3Error);
|
|
|
|
PyModule_AddIntConstant(m, "SUCCESS", MQTTCLIENT_SUCCESS);
|
|
PyModule_AddIntConstant(m, "FAILURE", MQTTCLIENT_FAILURE);
|
|
PyModule_AddIntConstant(m, "DISCONNECTED", MQTTCLIENT_DISCONNECTED);
|
|
PyModule_AddIntConstant(m, "MAX_MESSAGES_INFLIGHT", MQTTCLIENT_MAX_MESSAGES_INFLIGHT);
|
|
PyModule_AddIntConstant(m, "BAD_UTF8_STRING", MQTTCLIENT_BAD_UTF8_STRING);
|
|
PyModule_AddIntConstant(m, "BAD_NULL_PARAMETER", MQTTCLIENT_NULL_PARAMETER);
|
|
PyModule_AddIntConstant(m, "BAD_TOPICNAME_TRUNCATED", MQTTCLIENT_TOPICNAME_TRUNCATED);
|
|
PyModule_AddIntConstant(m, "PERSISTENCE_DEFAULT", MQTTCLIENT_PERSISTENCE_DEFAULT);
|
|
PyModule_AddIntConstant(m, "PERSISTENCE_NONE", MQTTCLIENT_PERSISTENCE_NONE);
|
|
PyModule_AddIntConstant(m, "PERSISTENCE_USER", MQTTCLIENT_PERSISTENCE_USER);
|
|
PyModule_AddIntConstant(m, "PERSISTENCE_ERROR",
|
|
MQTTCLIENT_PERSISTENCE_ERROR);
|
|
}
|