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Building a Dart server from scratch
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import 'dart:convert'; | |
import 'dart:io'; | |
Future<void> main() async { | |
final server = await createServer(); | |
print('Server started: ${server.address} port ${server.port}'); | |
await handleRequests(server); | |
} | |
Future<HttpServer> createServer() async { | |
final address = InternetAddress.loopbackIPv4; | |
const port = 4040; | |
return await HttpServer.bind(address, port); | |
} | |
Future<void> handleRequests(HttpServer server) async { | |
await for (HttpRequest request in server) { | |
switch (request.method) { | |
case 'GET': | |
handleGet(request); | |
break; | |
case 'POST': | |
handlePost(request); | |
break; | |
default: | |
handleDefault(request); | |
} | |
} | |
} | |
var myStringStorage = 'Hello from a Dart server'; | |
void handleGet(HttpRequest request) { | |
request.response | |
..write(myStringStorage) | |
..close(); | |
} | |
Future<void> handlePost(HttpRequest request) async { | |
myStringStorage = await utf8.decoder.bind(request).join(); | |
request.response | |
..write('Got it. Thanks.') | |
..close(); | |
} | |
void handleDefault(HttpRequest request) { | |
request.response | |
..statusCode = HttpStatus.methodNotAllowed | |
..write('Unsupported request: ${request.method}.') | |
..close(); | |
} |
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