protected void getStateFrom(
JChannel channel, Protocol prot, String stack, String ch, DataOutputStream out)
throws Exception {
ByteArrayDataOutputStream output = new ByteArrayDataOutputStream(1024);
OutputStreamAdapter out_ad = new OutputStreamAdapter(output);
Event evt = new Event(Event.STATE_TRANSFER_OUTPUTSTREAM, out_ad);
if (channel != null) channel.up(evt);
else prot.up(evt);
int len = output.position();
if (len > 0) {
Bits.writeString(stack, out);
Bits.writeString(ch, out);
out.writeInt(len);
out.write(output.buffer(), 0, len);
log.trace("%s: fetched %d bytes from %s:%s", local_addr, len, stack, ch);
}
}
protected void setStateInMainAndForkChannels(InputStream in) {
try (DataInputStream input = new DataInputStream(in)) {
for (; ; ) {
String stack_name = Bits.readString(input);
String ch_name = Bits.readString(input);
int len = input.readInt();
if (len > 0) {
byte[] data = new byte[len];
in.read(data, 0, len);
ByteArrayInputStream tmp = new ByteArrayInputStream(data, 0, len);
if (stack_name == null && ch_name == null)
up_prot.up(new Event(Event.STATE_TRANSFER_INPUTSTREAM, tmp));
else {
Protocol prot = fork_stacks.get(stack_name);
if (prot == null) {
log.warn(
"%s: fork stack %s not found, dropping state for %s:%s",
local_addr, stack_name, stack_name, ch_name);
continue;
}
ForkProtocolStack fork_stack = getForkStack(prot);
JChannel fork_ch = fork_stack.get(ch_name);
if (fork_ch == null) {
log.warn(
"%s: fork channel %s not found, dropping state for %s:%s",
local_addr, ch_name, stack_name, ch_name);
continue;
}
fork_ch.up(new Event(Event.STATE_TRANSFER_INPUTSTREAM, tmp));
}
}
}
} catch (EOFException eof) {
} catch (Throwable ex) {
log.error("%s: failed setting state in main channel", local_addr, ex);
}
}