private final void passivesRequest() {
while (true) {
if (immediateRequestsSent != 0) {
break;
}
if (passiveRequestsSent >= 10) {
break;
}
if (highestPriority == 0) {
break;
}
OnDemandNode onDemandNode;
synchronized (passiveRequests) {
onDemandNode = (OnDemandNode) passiveRequests.popTail();
}
while (onDemandNode != null) {
if (filePriorities[onDemandNode.type][onDemandNode.id] != 0) {
filePriorities[onDemandNode.type][onDemandNode.id] = (byte) 0;
sentRequests.insertBack(onDemandNode);
sendRequest(onDemandNode);
expectData = true;
if (extrasLoaded < extrasTotal) {
extrasLoaded++;
}
message = "Loading extra files - " + ((extrasLoaded * 100) / extrasTotal) + "%";
passiveRequestsSent++;
if (passiveRequestsSent == 10) {
return;
}
}
synchronized (passiveRequests) {
onDemandNode = (OnDemandNode) passiveRequests.popTail();
}
}
for (int type = 0; type < 4; type++) {
byte[] priority = filePriorities[type];
for (int id = 0; id < priority.length; id++) {
if (priority[id] == highestPriority) {
priority[id] = (byte) 0;
onDemandNode = new OnDemandNode();
onDemandNode.type = type;
onDemandNode.id = id;
onDemandNode.immediate = false;
sentRequests.insertBack(onDemandNode);
sendRequest(onDemandNode);
expectData = true;
if (extrasLoaded < extrasTotal) {
extrasLoaded++;
}
message = "Loading extra files - " + ((extrasLoaded * 100) / extrasTotal) + "%";
passiveRequestsSent++;
if (passiveRequestsSent == 10) {
return;
}
}
}
}
highestPriority--;
}
}
private final void localComplete() {
OnDemandNode onDemandNode;
synchronized (wanted) {
onDemandNode = (OnDemandNode) wanted.popTail();
}
while (onDemandNode != null) {
expectData = true;
byte[] buffer = null;
if (client.stores[0] != null) {
buffer = client.stores[onDemandNode.type + 1].get(onDemandNode.id);
}
if (!verify(
fileVersions[onDemandNode.type][onDemandNode.id],
fileCrc[onDemandNode.type][onDemandNode.id],
buffer)) {
buffer = null;
}
synchronized (wanted) {
if (buffer == null) {
toRequest.insertBack(onDemandNode);
} else {
onDemandNode.buffer = buffer;
synchronized (completed) {
completed.insertBack(onDemandNode);
}
}
onDemandNode = (OnDemandNode) wanted.popTail();
}
}
}
public final void request(int type, int id) {
if ((type >= 0)
&& (type <= fileVersions.length)
&& (id >= 0)
&& (id <= fileVersions[type].length)
&& (fileVersions[type][id] != 0)) {
synchronized (immediateRequests) {
for (OnDemandNode onDemandNode = (OnDemandNode) immediateRequests.reverseGetFirst();
onDemandNode != null;
onDemandNode = (OnDemandNode) immediateRequests.reverseGetNext()) {
if ((onDemandNode.type == type) && (onDemandNode.id == id)) {
return;
}
}
OnDemandNode ondemandnode = new OnDemandNode();
ondemandnode.type = type;
ondemandnode.id = id;
ondemandnode.immediate = true;
synchronized (wanted) {
wanted.insertBack(ondemandnode);
}
immediateRequests.insertHead(ondemandnode);
}
}
}
public final void passiveRequest(int id, int type) {
if ((client.stores[0] != null)
&& (fileVersions[type][id] != 0)
&& (filePriorities[type][id] != 0)
&& (highestPriority != 0)) {
OnDemandNode onDemandNode = new OnDemandNode();
onDemandNode.type = type;
onDemandNode.id = id;
onDemandNode.immediate = false;
synchronized (passiveRequests) {
passiveRequests.insertBack(onDemandNode);
}
}
}
public final OnDemandNode next() {
OnDemandNode onDemandNode;
synchronized (completed) {
onDemandNode = (OnDemandNode) completed.popTail();
}
if (onDemandNode == null) {
return null;
}
synchronized (immediateRequests) {
onDemandNode.clear();
}
if (onDemandNode.buffer == null) {
return onDemandNode;
}
int offset = 0;
try {
GZIPInputStream gzipinputstream =
new GZIPInputStream(new ByteArrayInputStream(onDemandNode.buffer));
while (true) {
if (offset == deflateOut.length) {
throw new RuntimeException("buffer overflow!");
}
int readByte = gzipinputstream.read(deflateOut, offset, deflateOut.length - offset);
if (readByte == -1) {
break;
}
offset += readByte;
}
} catch (IOException ioexception) {
throw new RuntimeException("error unzipping");
}
onDemandNode.buffer = new byte[offset];
for (int position = 0; position < offset; position++) {
onDemandNode.buffer[position] = deflateOut[position];
}
return onDemandNode;
}
private final void handleResp() {
try {
int available = inputStream.available();
if ((toRead == 0) && (available >= 6)) {
expectData = true;
for (int i = 0; i < 6; i += inputStream.read(inputBuffer, i, 6 - i)) {;
}
int type = inputBuffer[0] & 0xff;
int id = ((inputBuffer[1] & 0xff) << 8) + (inputBuffer[2] & 0xff);
int size = ((inputBuffer[3] & 0xff) << 8) + (inputBuffer[4] & 0xff);
int part = inputBuffer[5] & 0xff;
onDemandNode = null;
for (OnDemandNode ondemandnode = (OnDemandNode) sentRequests.getBack();
ondemandnode != null;
ondemandnode = (OnDemandNode) sentRequests.getPrevious()) {
if ((ondemandnode.type == type) && (ondemandnode.id == id)) {
onDemandNode = ondemandnode;
}
if (onDemandNode != null) {
ondemandnode.cyclesSinceSend = 0;
}
}
if (onDemandNode != null) {
idleCycles = 0;
if (size == 0) {
SignLink.reportError("Rej: " + type + "," + id);
onDemandNode.buffer = null;
if (onDemandNode.immediate) {
synchronized (completed) {
completed.insertBack(onDemandNode);
}
} else {
onDemandNode.remove();
}
onDemandNode = null;
} else {
if ((onDemandNode.buffer == null) && (part == 0)) {
onDemandNode.buffer = new byte[size];
}
if ((onDemandNode.buffer == null) && (part != 0)) {
throw new IOException("missing start of file");
}
}
}
offset = part * 500;
toRead = 500;
if (toRead > (size - (part * 500))) {
toRead = size - (part * 500);
}
}
if ((toRead <= 0) || (available < toRead)) {
return;
}
expectData = true;
byte[] buffer = inputBuffer;
int bufferOffset = 0;
if (onDemandNode != null) {
buffer = onDemandNode.buffer;
bufferOffset = offset;
}
for (int i = 0; i < toRead; i += inputStream.read(buffer, i + bufferOffset, toRead - i)) {;
}
if (((toRead + offset) >= buffer.length) && (onDemandNode != null)) {
if (client.stores[0] != null) {
client.stores[onDemandNode.type + 1].put(buffer.length, buffer, onDemandNode.id);
}
if (!onDemandNode.immediate && (onDemandNode.type == 3)) {
onDemandNode.immediate = true;
onDemandNode.type = 93;
}
if (onDemandNode.immediate) {
synchronized (completed) {
completed.insertBack(onDemandNode);
}
} else {
onDemandNode.remove();
}
}
toRead = 0;
} catch (IOException ioexception) {
try {
socket.close();
} catch (Exception exception) {
/* empty */
}
socket = null;
inputStream = null;
outputStream = null;
toRead = 0;
}
}
@Override
public final void run() {
try {
while (running) {
cycle++;
int toWait = 20;
if ((highestPriority == 0) && (client.stores[0] != null)) {
toWait = 50;
}
Thread.sleep(toWait);
expectData = true;
for (int i = 0; i < 100; i++) {
if (!expectData) {
break;
}
expectData = false;
localComplete();
remainingRequest();
if ((immediateRequestsSent == 0) && (i >= 5)) {
break;
}
passivesRequest();
if (inputStream != null) {
handleResp();
}
}
boolean idle = false;
for (OnDemandNode onDemandNode = (OnDemandNode) sentRequests.getBack();
onDemandNode != null;
onDemandNode = (OnDemandNode) sentRequests.getPrevious()) {
if (onDemandNode.immediate) {
idle = true;
onDemandNode.cyclesSinceSend++;
if (onDemandNode.cyclesSinceSend > 50) {
onDemandNode.cyclesSinceSend = 0;
sendRequest(onDemandNode);
}
}
}
if (!idle) {
for (OnDemandNode onDemandNode = (OnDemandNode) sentRequests.getBack();
onDemandNode != null;
onDemandNode = (OnDemandNode) sentRequests.getPrevious()) {
idle = true;
onDemandNode.cyclesSinceSend++;
if (onDemandNode.cyclesSinceSend > 50) {
onDemandNode.cyclesSinceSend = 0;
sendRequest(onDemandNode);
}
}
}
if (idle) {
idleCycles++;
if (idleCycles > 750) {
socket.close();
socket = null;
inputStream = null;
outputStream = null;
toRead = 0;
}
} else {
idleCycles = 0;
message = "";
}
if (client.loggedIn
&& (socket != null)
&& (outputStream != null)
&& ((highestPriority > 0) || (client.stores[0] == null))) {
sinceKeepAlive++;
if (sinceKeepAlive > 500) {
sinceKeepAlive = 0;
inputBuffer[0] = (byte) 0;
inputBuffer[1] = (byte) 0;
inputBuffer[2] = (byte) 0;
inputBuffer[3] = (byte) 10;
try {
outputStream.write(inputBuffer, 0, 4);
} catch (IOException ioexception) {
idleCycles = 5000;
}
}
}
}
} catch (Exception exception) {
SignLink.reportError("od_ex " + exception);
}
}
