Revision 0:4f7b5d6048b3, committed 2015-07-10

Comitter:

mbedAustin

Date:

Fri Jul 10 21:43:50 2015 +0000

Child:

1:4d2664ecc1e2

Commit message:

Initial Commit. Get and Post methods working. No Security.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ifttt.cpp	Fri Jul 10 21:43:50 2015 +0000
@@ -0,0 +1,174 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "mbed.h"
+#include "ifttt.h"
+#include <string>
+
+#if 1
+#define DBG(x, ...)  printf("[IFTTT : DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define WARN(x, ...) printf("[IFTTT : WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#define ERR(x, ...)  printf("[IFTTT : ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#else
+#define DBG(x, ...) //wait_us(10);
+#define WARN(x, ...) //wait_us(10);
+#define ERR(x, ...)
+#endif
+
+#if 1
+#define INFO(x, ...) printf("[IFTTT : INFO]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
+#else
+#define INFO(x, ...)
+#endif
+
+//
+// Initialize object with Event, Key, and valid socket.
+// TODO: accept hostname parameter / implement DNS lookup
+//
+IFTTT::IFTTT(const char * event, const char * key, TCPSocketConnection * s)
+{
+    // Error Check
+    if(sizeof(event) > IFTTT_MAX_SIZE_EVENTNAME) {
+        ERR("Given event > IFTTT_MAX_SIZE_EVENTNAME, increase the max event string size in ifttt.h");
+    }
+    if(sizeof(key) > IFTTT_MAX_SIZE_SECRETKEY) {
+        ERR("Given key > IFTTT_MAX_SIZE_SECRETKEY, increase the max secret key string size in ifttt.h");
+    }
+    // Copy event name and secret key into object instance
+    strcpy(this->eventName,event);
+    strcpy(this->secretKey,key);
+
+    // Set up Socket
+    if(NULL == s) {
+        WARN("Given Socket Pointer is NULL, will try opening a socket.");
+    }
+    this->socket = s;
+
+    // Set up Host / Port
+    this->port = IFTTT_PORT;
+    this->host = IFTTT_IP;
+}
+
+//
+// Send data to maker.ifttt.org
+// currently only uses GET requests, unsecured
+//
+bool
+IFTTT::sendMaker( char * value1,  char * value2,  char * value3)
+{
+    // update internal pointers. If variable not given then pass an empty string
+    v1 = (NULL == value1)?"":value1;
+    v2 = (NULL == value2)?"":value2;
+    v3 = (NULL == value3)?"":value3;
+    int ret = post();
+    DBG("Sending Data returned code : %d",ret);
+    return ret;
+}
+
+//
+// This function sends data to maker.ifttt.org via GET query commands
+// return true on sucess, false on fail
+//
+bool IFTTT::get()
+{
+    // Connect to maker.ifttt.org
+    int retry = 0;
+    for(retry=0; retry<IFTTT_MAX_RETRY; retry++) {
+        int ret = this->socket->connect(this->host, this->port);
+        if(ret == 0) {
+            DBG("Successfully Connected socket to host");
+            break ;
+        }
+    }
+    if(retry == IFTTT_MAX_RETRY) {
+        this->socket->close();
+        ERR("Could not connect socket to host\r\n");
+        return false;
+    }
+
+    // Prep data to send
+    char str[IFTTT_MAX_SIZE_STRING] = {0};
+    sprintf(str, "GET /trigger/%s/with/key/%s/?value1=%s&value2=%s&value3=%s HTTP/1.1\r\nHost: maker.ifttt.com\r\n\r\n",eventName,secretKey,v1,v2,v3);
+    DBG("String to send is:\n\r%s",str);
+
+    // Send Data
+    DBG("Sending GET data...");
+    int check = 0;
+    check = this->socket->send_all(str,sizeof(str));
+    if(check) {
+        DBG("Sent Sucessfully %d bytes",check);
+    } else {
+        ERR("Sending failed");
+        return false;
+    }
+    DBG("Waiting on reply ... \r\n");
+    int ret = this->socket->receive(str,50);
+    str[ret]=0;
+    DBG("Received String : %s",str);
+    this->socket->close();
+
+    return true;
+}
+
+//TODO: Implement
+bool IFTTT::post()
+{
+    // Connect to maker.ifttt.org
+    int retry = 0;
+    for(retry=0; retry<IFTTT_MAX_RETRY; retry++) {
+        int ret = this->socket->connect(this->host, this->port);
+        if(ret == 0) {
+            DBG("Successfully Connected socket to host");
+            break ;
+        }
+    }
+    if(retry == IFTTT_MAX_RETRY) {
+        this->socket->close();
+        ERR("Could not connect socket to host\r\n");
+        return false;
+    }
+
+    // Prep data to send
+    char header[100] = {0};
+    sprintf(header, "POST /trigger/%s/with/key/%s HTTP/1.1\r\n");
+    const char * host = "Host: maker.ifttt.com\r\n";
+    char contentLen[50] = {0};
+    //sprintf(contentLen,"Content-Length: %s\r\n");
+    const char * contentType = "Content-Type: application/json\r\n\r\n";
+    char str[IFTTT_MAX_SIZE_STRING] = {0};
+    //sprintf(str, "POST /trigger/%s/with/key/%s HTTP/1.1\r\nHost: maker.ifttt.com\r\nContent-Length: 50\r\nContent-Type: application/x-www-form-urlencoded\r\n\r\n{\"value1\":\"%s\",\"value2\":\"%s\",\"value3\":\"%s\"}\r\n\r\n",eventName,secretKey,v1,v2,v3);
+    int thingsize = 50;
+    sprintf(str, "POST /trigger/%s/with/key/%s HTTP/1.1\r\nHost: maker.ifttt.com\r\nContent-Length: %d\r\nContent-Type: application/json\r\n\r\n{\"value1\":\"%s\",\"value2\":\"%s\",\"value3\":\"data\"}\r\n",eventName,secretKey,thingsize,v1,v2,v3);
+    DBG("String to send is:\n\r%s",str);
+
+    // Send Data
+    DBG("Sending POST data...");
+    int check = 0;
+    check = this->socket->send_all(str,sizeof(str));
+    if(check) {
+        DBG("Sent Sucessfully %d bytes",check);
+    } else {
+        ERR("Sending failed");
+        return false;
+    }
+    DBG("Waiting on reply ... \r\n");
+    int ret = this->socket->receive(str,50);
+    str[ret]=0;
+    DBG("Received String : %s",str);
+    this->socket->close();
+
+    return true;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ifttt.h	Fri Jul 10 21:43:50 2015 +0000
@@ -0,0 +1,103 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef IFTTT_H
+#define IFTTT_H
+
+#include "mbed.h"
+#include "TCPSocketConnection.h"
+
+#define IFTTT_FAIL -1
+#define IFTTT_SUCCESS 0
+
+#define IFTTT_MAX_RETRY 5
+#define IFTTT_MAX_SIZE_SECRETKEY 50
+#define IFTTT_MAX_SIZE_EVENTNAME 50
+#define IFTTT_MAX_SIZE_STRING 512
+
+#define IFTTT_IP "107.22.235.178"
+#define IFTTT_PORT 80
+
+
+
+/**
+* The IFTTT class (if this then that)
+*/
+class IFTTT
+{
+
+public:
+
+    /**
+    * Constructor, initialize the Event Name and Secret Key to be used
+    *
+    * @param event event name of trigger
+    * @param key secret key provided by the maker channel for your event
+    */
+    IFTTT(const char * event, const char * key, TCPSocketConnection * s = NULL);
+
+    /**
+    * Send data to maker.ifttt.com
+    *
+    * @param v1 value 1 to send
+    * @param v2 value 2 to send
+    * @param v3 value 3 to send
+    *
+    * @return true if successful, false if failed
+    */
+    bool sendMaker(char * v1 = NULL, char * v2 = NULL, char * v3 = NULL);
+
+    /**
+    * Send data to maker.ifttt.com
+    *
+    * @param v1 value 1 to send
+    * @param v2 value 2 to send
+    * @param v3 value 3 to send
+    *
+    * @return true if successful, false if failed
+    */
+    bool sendMaker(int v1 = NULL, int v2 = NULL, int v3 = NULL);
+
+private:
+
+    /**
+    * Send data to maker.ifttt.com via GET Query parameters
+    *
+    * @param name explanation
+    *
+    * @return true if successful, false if failed
+    */
+    bool get();
+
+    /**
+    * Send data to maker.ifttt.com via POST payload, encoded as JSON
+    *
+    * @param name explanation
+    *
+    * @return true if successful, false if failed
+    */
+    bool post();
+
+    TCPSocketConnection * socket;
+    char eventName[IFTTT_MAX_SIZE_EVENTNAME];
+    char secretKey[IFTTT_MAX_SIZE_SECRETKEY];
+    const char * v1;
+    const char * v2;
+    const char * v3;
+    const char * host;
+    int port;
+};
+
+#endif // IFTTT_H