forked from community/product-iots
Shabir Mohamed
9 years ago
parent
3ceed63107
commit
92358c4135
@ -0,0 +1,100 @@
|
||||
uint8_t buffer[BUFFER_SIZE+1];
|
||||
int bufindex = 0;
|
||||
char action[MAX_ACTION+1];
|
||||
char path[MAX_PATH+1];
|
||||
|
||||
boolean listen() {
|
||||
// Try to get a client which is connected.
|
||||
Adafruit_CC3000_ClientRef client = httpServer.available();
|
||||
if (client) {
|
||||
//Serial.println(F("Client connected."));
|
||||
// Process this request until it completes or times out.
|
||||
// Note that this is explicitly limited to handling one request at a time!
|
||||
|
||||
// Clear the incoming data buffer and point to the beginning of it.
|
||||
bufindex = 0;
|
||||
memset(&buffer, 0, sizeof(buffer));
|
||||
|
||||
// Clear action and path strings.
|
||||
memset(&action, 0, sizeof(action));
|
||||
memset(&path, 0, sizeof(path));
|
||||
|
||||
// Set a timeout for reading all the incoming data.
|
||||
unsigned long endtime = millis() + TIMEOUT_MS;
|
||||
|
||||
// Read all the incoming data until it can be parsed or the timeout expires.
|
||||
bool parsed = false;
|
||||
while (!parsed && (millis() < endtime) && (bufindex < BUFFER_SIZE)) {
|
||||
if (client.available()) {
|
||||
buffer[bufindex++] = client.read();
|
||||
}
|
||||
parsed = parseRequest(buffer, bufindex, action, path);
|
||||
}
|
||||
|
||||
wdt_reset();
|
||||
|
||||
if (parsed) {
|
||||
if (strcmp(action, "GET") == 0) {
|
||||
responseMsg = path;
|
||||
|
||||
if(DEBUG) {
|
||||
Serial.println(responseMsg);
|
||||
}
|
||||
|
||||
int index = responseMsg.lastIndexOf("/");
|
||||
int newLine = responseMsg.indexOf("/");
|
||||
subStrn = responseMsg.substring(index + 1);
|
||||
responseMsg = responseMsg.substring(newLine + 1, index);
|
||||
|
||||
if(DEBUG) {
|
||||
Serial.print(responseMsg);
|
||||
Serial.print(" - ");
|
||||
Serial.println(subStrn);
|
||||
Serial.println("-------------------------------");
|
||||
}
|
||||
}
|
||||
|
||||
if (responseMsg == "TEMP") {
|
||||
int temperature = (uint8_t)getTemperature();
|
||||
|
||||
client.fastrprintln(F("HTTP/1.1 200 OK"));
|
||||
client.fastrprintln(F("Connection: close"));
|
||||
client.fastrprintln(F(""));
|
||||
client.fastrprint(String(temperature).c_str());
|
||||
}
|
||||
}
|
||||
|
||||
delay(100);
|
||||
|
||||
// Close the connection when done.
|
||||
Serial.println(F("Client disconnected"));
|
||||
client.close();
|
||||
wdt_reset();
|
||||
return false;
|
||||
} else {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
bool parseRequest(uint8_t* buf, int bufSize, char* action, char* path) {
|
||||
// Check if the request ends with \r\n to signal end of first line.
|
||||
if (bufSize < 2)
|
||||
return false;
|
||||
if (buf[bufSize-2] == '\r' && buf[bufSize-1] == '\n') {
|
||||
parseFirstLine((char*)buf, action, path);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
// Parse the action and path from the first line of an HTTP request.
|
||||
void parseFirstLine(char* line, char* action, char* path) {
|
||||
// Parse first word up to whitespace as action.
|
||||
char* lineaction = strtok(line, " ");
|
||||
if (lineaction != NULL)
|
||||
strncpy(action, lineaction, MAX_ACTION);
|
||||
// Parse second word up to whitespace as path.
|
||||
char* linepath = strtok(NULL, " ");
|
||||
if (linepath != NULL)
|
||||
strncpy(path, linepath, MAX_PATH);
|
||||
}
|
||||
Loading…
Reference in new issue