int sendRequest (byte* host, unsigned short port, char* response, unsigned short responseSize, boolean keepAlive)
{
if (myClient.connected() || myClient.connect(host, port)) {
uint32_t startTime = millis();
myClient.write((const uint8_t *)mainbuffer, strlen(mainbuffer));
myClient.flush();
while(!myClient.available() && (millis() - startTime) < 5000){
SPARK_WLAN_Loop();
};
while(myClient.available()) {
readbytes = myClient.read((uint8_t*) response, responseSize);
if (readbytes == -1) break;
}
myClient.flush();
if(!keepAlive) {
myClient.stop();
}
} else {
// unable to connect
return 1;
}
return 0;
}
void tcpKeepAlive() {
unsigned long now = millis();
if (tcp.connected()) {
if (now > kaTimer) {
tcp.flush();
tcpLog("ENQ"); // For logger view
tcp.print(ENQ); // Heartbeat signal
kaWait = now + 500;
kaWaiting = true;
tcpKeepAliveReset();
}
if (kaWaiting && (kaWait > now)) {
if (tcp.available()) {
char read = tcp.read();
if (read == ACK) {
// tcpLog("ACK");
kaWaiting = false;
}
}
} else if (kaWaiting && kaWait < now) {
tcpLog("Timed out");
kaWaiting = false;
tcp.flush();
tcp.stop();
}
}
}
void loop()
{
if (client.connected())
{
while (client.available())
{
in(inmsg,1000);
myInStr =inmsg;
if (myInStr.indexOf(clientmsg) >= 0) {
digitalWrite(D7, 1);
delay(50);
digitalWrite(D7, 0);
sprintf(outmsg,"%c",replymsg);
out(outmsg);
//THIS WORKS TOO
// IPAddress myIP = WiFi.localIP();
// sprintf(outmsg, "%d.%d.%d.%d,%d,2,%d,3,4/e", myIP[0], myIP[1], myIP[2], myIP[3],counter,simulate_temp);
// out(outmsg); //but don't yet have a tcpclient that can handle such a response
}//if (myInStr.indexOf("7") >= 0)
}//while (client.available())
}//if (client.connected())
client.read();
client.flush();
// client.stop(); //apparently unnecessary
client = server.available();
//keep connection alive long enough for client to receive reply
lastTime = millis();
while ( millis()-lastTime < 300) {}
}//loop
void loop() {
if (clientWww.connected()) {
int position = 0;
int canI = 0;
// echo all available bytes back to the client
while (clientWww.available()) {
char c = clientWww.read();
char url[200];
// Detect space
if(c == 32) {
canI = !canI;
}
// Save only data in between spaces
if(canI) {
// Discard spaces
if(c != 32) {
url[position++] = c;
}
}
// Detect end of the line
if(c == 10) {
// Null terminate our array
url[position + 1] = 0;
response(url);
// Discard the rest of the header
clientWww.flush();
}
}
} else {
// if no client is yet connected, check for a new connection
clientWww = serverWww.available();
}
}
void loop() {
//low power
WiFi.disconnect();
System.sleep(D3, RISING, 4);
if (digitalRead(D3)) {digitalWrite(D6,HIGH);delay(200);digitalWrite(D6,LOW);}
while (!WiFi.ready()) {
Particle.process();
WiFi.connect();
while(WiFi.connecting()){Particle.process();}
}// while (!WiFi.ready())
complete = false;
//don't unsuccessfully persist beyond 10 secs, just go back to sleep
lastTime = millis();
while ((!complete) && (millis() - lastTime < 10000)){
if (client.connect( server, serverPort)) {
if (client.connected()) {
sprintf(outmsg,"%c",clientmsg);
out(outmsg);
lastTime = millis();
while ((!client.available()) && (millis() - lastTime < 5000)) { }
lastTime = millis();
while ((millis() - lastTime < 300)) {}//plays better with nodejs server?
//now get confirmation from server that server received msg
while (client.available()) {
read_char = client.read();
if(read_char == replymsg ) { //we got confirmation
digitalWrite(D7,HIGH);delay(10);digitalWrite(D7,LOW);
client.read();
complete = true;
}//if(read_char == replymsg )
}//while (client.available())
}//if (client.connected())
}//if (client.connect( server, serverPort))
client.read();
client.flush();
// client.stop();//apparently unnecessary
}//while (!complete)
// prevent nodejs ECONNRESET, not necessay with another photon??
lastTime = millis();
while ((millis() - lastTime < 500)) {}//prevent nodejs ECONNRESET
delay(1);
}//loop
void in(char *ptr, uint8_t timeout) {
int pos = 0;
unsigned long lastdata = millis();
while ( client.available() || (millis()-lastdata < timeout)) {
if (client.available()) {
char c = client.read();
lastdata = millis();
ptr[pos] = c;
pos++;
}//if (client.available())
}//while ( client.available() || (millis()-lastdata < timeout))
client.read();
client.flush();
}//void in(char *ptr, uint8_t timeout)
void in(char *ptr, uint8_t timeout) {
int pos = 0;
unsigned long lastTime = millis();
while( client.available()==0 && millis()-lastTime<timeout) { //timeout
} //do nothing
unsigned long lastdata = millis();
while ( client.available() || (millis()-lastdata < 500)) { //500 millisecond timeout
if (client.available()) {
char c = client.read();
lastdata = millis();
ptr[pos] = c;
pos++;
}
if (pos >= 512 - 1)
break;
}
ptr[pos] = '\0'; //end the char array
while (client.available()) client.read(); // makeshift client.flush()
client.flush(); //for safety
lastdata = millis();
while ( millis()-lastdata < 200) { }
}//void in(char *ptr, uint8_t timeout)
char * http_get(char const * hostname, String path) {
int i = 0;
int j = 0;
int k = 0;
bool printOnce = false;
if (client.connect(hostname, 80)) {
client.print("GET ");
client.print(path);
client.println(" HTTP/1.1");
client.print("HOST: ");
client.println(hostname);
client.println("Connection: close");
client.println();
client.flush();
} else {
if(DEBUG_SERIAL) Serial.println("\r\n\r\nConnection Failed!");
client.flush();
client.stop();
return NULL;
}
// wait 5 seconds or less for the host to respond
uint32_t startTime = millis();
while(!client.available() && (millis() - startTime) < 5000);
if(DEBUG_SERIAL) Serial.println("\r\n\r\nREADING HOST DATA......");
uint32_t lastRead = millis();
// If the host doesn't close it's connection, we'll timeout in 10 seconds.
while (client.connected() && (millis() - lastRead) < 10000) {
while (client.available()) {
char c = client.read();
/*
if(DEBUG_SERIAL) {
Serial.print(c);
if(i++ > 100) {
delay(5);
i = 0;
}
}
*/
if(c == -1) {
Serial.print("\r\n\r\nERROR......\r\n\r\n");
client.flush();
client.stop();
}
if(j++ >= SKIP_CHARS) { // don't buffer the first X bytes to save memory
if(DEBUG_SERIAL && !printOnce) {
Serial.print("\r\n\r\nSAVING......\r\n\r\n");
printOnce = true;
}
buffer[k++] = c; // save character to buffer
Serial.print(c);
delayMicroseconds(100);
if(k >= BUFFER_SIZE_MAX) { // if we reach the end of our buffer, just bail.
Serial.print("\r\n\r\nOUT OF BUFFER SPACE......\r\n\r\n");
client.flush();
client.stop();
}
}
// as long as we're reading data, reset the lastRead time.
lastRead = millis();
} // END while(client.available())
} // END while(client.connected())
client.flush();
client.stop();
if(DEBUG_SERIAL) {
Serial.print("\r\nCHARACTERS RECEIVED: ");
Serial.println(SKIP_CHARS + k);
}
return buffer;
}
int tcpDisconnect(String param) {
tcp.flush();
tcp.stop();
return 1;
}
// Called in a loop forever
void loop()
{
// When you push the button
if (digitalRead(D0) == HIGH)
{
// It might take a couple of loop() iterations to
// successfully connect to iamresponding.com
connecting = true;
// This is how to control the Spark's RGB LED
RGB.control(true);
// Red to indicate we're attempting to connect
RGB.color(255, 0, 0);
// Push the button once to respond to station.
// Push it again to cancel.
if (responding)
{
// Do just what the iamresponding.com app does
data = "{\"keyEntryDesc\":\"CANCELLED\",\"memberIDS\":\"\",\"subscriberID\":\"\",\"userfullname\":\"Jack Bates\"}";
}
else
{
data = "{\"keyEntryDesc\":\"Station\",\"memberIDS\":\"\",\"subscriberID\":\"\",\"userfullname\":\"Jack Bates\"}";
}
}
// We haven't successfully connected since the button was last
// pushed, keep trying!
if (connecting && client.connect(server, 80)) // HTTP is port
{ // number 80, FYI
// We successfully connected, stop trying
connecting = false;
// Yellow to indicate we successfully connected and
// sent the magic words
RGB.color(255, 255, 0);
// Again, just ape the iamresponding.com app
client.println("POST /v3/keyEntries.asmx/AddCallEntry HTTP/1.0");
client.print("Content-Length: ");
client.println(strlen(data));
client.println("Content-Type: application/json");
client.println("Host: iamresponding.com");
client.println();
// Send the magic words
client.print(data);
}
// iamresponding.com sent something back to *us*.
// (This is our only indication that TCPClient is done
// transmitting the magic words. You're welcome to get clever
// and check if iamresponding.com sent back confirmation or is
// reporting an error, this just assumes it's confirmation.)
if (client.available())
{
// If we were already responding, then now we aren't
// (cancelled) and vice versa (if we weren't, then now
// we are).
responding = !responding;
if (responding)
{
// Blue to indicate that iamresponding.com
// knows we're responding to station!
RGB.color(0, 0, 255);
}
else
{
// Restore the default RGB LED behavior when
// we're not responding (cancelled).
// (By default it shows the Wi-Fi status.)
RGB.control(false);
}
// Tricky: Clean up after transmitting the magic
// words. Close the connection to iamresponding.com
// and discard (flush) anything sent back to us, or
// else in the next loop() iteration we'll think
// iamresponding.com sent back something *again*.
client.stop();
client.flush();
}
}