diff options
Diffstat (limited to 'src/main/java/derms/replica/replica2/FindResource.java')
| -rw-r--r-- | src/main/java/derms/replica/replica2/FindResource.java | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/src/main/java/derms/replica/replica2/FindResource.java b/src/main/java/derms/replica/replica2/FindResource.java deleted file mode 100644 index ca47f4c..0000000 --- a/src/main/java/derms/replica/replica2/FindResource.java +++ /dev/null @@ -1,160 +0,0 @@ -package derms.replica.replica2; - -import java.io.IOException; -import java.io.Serializable; -import java.net.*; -import java.util.Collection; -import java.util.List; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.logging.Logger; - -class FindResource { - static final int port = 5558; - - static class Client implements Runnable { - private InetAddress serverAddr; - private Request request; - private Collection<Resource> response; - private Logger log; - - Client(Request request, InetAddress serverAddr, Collection<Resource> response) throws IOException { - this.serverAddr = serverAddr; - this.request = request; - this.response = response; - this.log = DermsLogger.getLogger(this.getClass()); - } - - @Override - public void run() { - DatagramSocket sock; - try { - sock = new DatagramSocket(); - } catch (Exception e) { - log.severe("Failed to open socket: "+e.getMessage()); - return; - } - - DatagramPacket requestPkt; - try { - requestPkt = ObjectPacket.create(request, new InetSocketAddress(serverAddr, port)); - } catch (IOException e) { - log.severe("Failed to create request packet: "+e.getMessage()); - sock.close(); - return; - } - - try { - sock.send(requestPkt); - } catch (Exception e) { - log.severe("Failed to send request: "+e.getMessage()); - sock.close(); - return; - } - - Resource[] resources; - try { - resources = ResourceTransfer.receive(sock); - } catch (IOException e) { - log.severe(e.getMessage()); - return; - } finally { - sock.close(); - } - - for (Resource r : resources) { - response.add(r); - } - } - } - - static class Server implements Runnable { - private static final int bufsize = 4096; - - private InetAddress localAddr; - private Resources resources; - private ExecutorService pool; - private Logger log; - - Server(InetAddress localAddr, Resources resources) throws IOException { - this.localAddr = localAddr; - this.resources = resources; - this.pool = Executors.newWorkStealingPool(); - this.log = DermsLogger.getLogger(this.getClass()); - } - - @Override - public void run() { - DatagramSocket sock = null; - try { - sock = new DatagramSocket(port, localAddr); - } catch (Exception e) { - log.severe("Failed to bind socket: "+e.getMessage()); - return; - } - - log.info("Running on "+localAddr.toString()+":"+port); - - DatagramPacket requestPkt = new DatagramPacket(new byte[bufsize], bufsize); - try { - for (;;) { - try { - sock.receive(requestPkt); - } catch (Exception e) { - log.warning("Error receiving from socket: "+e.getMessage()); - continue; - } - log.info("Got request"); - - Request request; - try { - request = ObjectPacket.deserialize(requestPkt, Request.class); - } catch (IOException e) { - log.warning("Failed to deserialize request: "+e.getMessage()); - continue; - } - - pool.execute(new RequestHandler(request, requestPkt.getSocketAddress(), resources, log)); - } - } finally { - sock.close(); - } - } - } - - static class Request implements Serializable { - private CoordinatorID cid; - private ResourceType rname; - - Request(CoordinatorID cid, ResourceType rname) { - this.cid = cid; - this.rname = rname; - } - } - - private static class RequestHandler implements Runnable { - private Request request; - private SocketAddress client; - private Resources resources; - private Logger log; - - private RequestHandler(Request request, SocketAddress client, Resources resources, Logger log) { - this.request = request; - this.client = client; - this.resources = resources; - this.log = log; - } - - @Override - public void run() { - List<Resource> borrowedResources = resources.borrowed(request.cid, request.rname); - log.info(""+borrowedResources.size()+" "+request.rname+" resources borrowed by "+request.cid); - try { - Resource[] arr = new Resource[0]; - ResourceTransfer.send(borrowedResources.toArray(arr), client); - } catch (IOException e) { - log.severe("Failed to send response: "+e.getMessage()); - } - } - } -}
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