aWOT
Arduino web server library.
Tested with
- Arduino Uno
- Arduino Leonardo
- Arduino Mega 2560
- Arduino Due
- Teensy 3
- Generic ESP8266
- NodeMCU 1.0
- Adafruit Feather M0 + ATWINC1500
Usage
Full example using Arduino Ehternet
#include <SPI.h>
#include <Ethernet.h>
#include <aWOT.h>
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
EthernetServer server(80);
WebApp app;
// define a handler function
void indexCmd(Request &req, Response &res) {
// P macro for printing strings from program memory
P(index) =
"<html>\n"
"<head>\n"
"<title>Hello World!</title>\n"
"</head>\n"
"<body>\n"
"<h1>Greetings middle earth!</h1>\n"
"</body>\n"
"</html>";
res.success("text/html");
res.printP(index);
}
void setup() {
Serial.begin(115200);
if (Ethernet.begin(mac)) {
Serial.println(Ethernet.localIP());
} else{
Serial.println("Ethernet failed");
}
// mount the handler to the default router
app.get("/", &indexCmd);
}
void loop(){
EthernetClient client = server.available();
if (client){
app.process(&client);
}
}Query parameters
// HTTP GET /cats?type=lolcat
void queryParams(Request &req, Response &res) {
char * type = req.query("type"); // "lolcat"
res.success("text/plain");
res.print(type);
}
void setup() {
// other setup ...
app.get("/cats", &queryParams);
}Route paramaters
// HTTP GET /cats/lolcat
void routeParams(Request &req, Response &res) {
char * catId = req.route("catId"); // "lolcat"
res.success("text/plain");
res.print(catId);
}
void setup() {
// other setup
app.get("/cats/:catId", &routeParams);
}Reading and writing headers
char userAgentBuffer[200];
// HTTP GET /headers
void headers(Request &req, Response &res) {
char * userAgent = req.header("User-Agent"); // "Mozilla/5.0 (Macintosh; Inte ...."
res.set("Cookie", "lolcat"); // will set Cookie header value to "lolcat"
res.success("text/plain");
res.print(userAgent);
}
void setup() {
// other setup
app.readHeader("User-Agent", userAgentBuffer, 200);
app.get("/useragent", &headers);
}Routers
WebApp app;
Router cats("/cats");
void looooong(Request &req, Response &res) {
res.success("text/html");
res.print("looooong cat is long!");
}
void ceiling(Request &req, Response &res) {
res.success("text/html");
res.print("ceiling cat is watching you debug!");
}
void nyannyan(Request &req, Response &res) {
res.success("text/html");
for (int i = 0; i < 100; i++) {
res.print("nyan ");
}
}
void setup() {
// other setup
cats.get("/long", &looooong);
cats.get("/ceiling", &ceiling);
cats.get("/nyan", &nyannyan);
app.use(&cats);
}Licence
Copyright, Lasse Lukkari
Based on
Webduino, Copyright 2009-2014 Ben Combee, Ran Talbott, Christopher Lee, Martin Lormes Francisco M Cuenca-Acuna
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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