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https://github.com/oliverschmidt/contiki.git
synced 2024-12-23 01:29:33 +00:00
guard amount of serial data being written to simulated contiki nodes
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parent
1842fae903
commit
5b7cc56cc5
@ -70,6 +70,8 @@ public class ContikiRS232 extends SerialUI implements ContikiMoteInterface, Poll
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private ContikiMote mote = null;
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private SectionMoteMemory moteMem = null;
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static final int SERIAL_BUF_SIZE = 1024; /* rs232.c:40 */
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/**
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* Creates an interface to the RS232 at mote.
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*
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@ -109,6 +111,11 @@ public class ContikiRS232 extends SerialUI implements ContikiMoteInterface, Poll
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/* Append to existing buffer */
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int oldSize = moteMem.getIntValueOf("simSerialReceivingLength");
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int newSize = oldSize + dataToAppend.length;
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if (newSize > SERIAL_BUF_SIZE) {
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logger.fatal("ContikiRS232: dropping rs232 data #1, buffer full: " + oldSize + " -> " + newSize);
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mote.requestImmediateWakeup();
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return;
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}
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moteMem.setIntValueOf("simSerialReceivingLength", newSize);
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byte[] oldData = moteMem.getByteArray("simSerialReceivingData", oldSize);
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@ -159,6 +166,11 @@ public class ContikiRS232 extends SerialUI implements ContikiMoteInterface, Poll
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/* Append to existing buffer */
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int oldSize = moteMem.getIntValueOf("simSerialReceivingLength");
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int newSize = oldSize + dataToAppend.length;
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if (newSize > SERIAL_BUF_SIZE) {
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logger.fatal("ContikiRS232: dropping rs232 data #2, buffer full: " + oldSize + " -> " + newSize);
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mote.requestImmediateWakeup();
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return;
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}
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moteMem.setIntValueOf("simSerialReceivingLength", newSize);
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byte[] oldData = moteMem.getByteArray("simSerialReceivingData", oldSize);
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@ -212,6 +224,11 @@ public class ContikiRS232 extends SerialUI implements ContikiMoteInterface, Poll
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/* Append to existing buffer */
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int oldSize = moteMem.getIntValueOf("simSerialReceivingLength");
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int newSize = oldSize + dataToAppend.length;
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if (newSize > SERIAL_BUF_SIZE) {
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logger.fatal("ContikiRS232: dropping rs232 data #3, buffer full: " + oldSize + " -> " + newSize);
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mote.requestImmediateWakeup();
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return;
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}
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moteMem.setIntValueOf("simSerialReceivingLength", newSize);
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byte[] oldData = moteMem.getByteArray("simSerialReceivingData", oldSize);
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@ -229,8 +246,21 @@ public class ContikiRS232 extends SerialUI implements ContikiMoteInterface, Poll
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mote.requestImmediateWakeup();
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}
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};
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/* Simulation thread: schedule immediately */
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if (mote.getSimulation().isSimulationThread()) {
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mote.getSimulation().scheduleEvent(
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pendingBytesEvent,
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mote.getSimulation().getSimulationTime()
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);
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return;
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}
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mote.getSimulation().invokeSimulationThread(new Runnable() {
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public void run() {
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if (pendingBytesEvent.isScheduled()) {
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return;
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}
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mote.getSimulation().scheduleEvent(
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pendingBytesEvent,
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mote.getSimulation().getSimulationTime()
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