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Back off from thrashing shutdownIfUnreadableCheck, fix bug in control service.

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This commit is contained in:
Adam Ierymenko 2014-09-17 14:19:58 -07:00
parent 2762db8408
commit 6b76cac6cf
2 changed files with 13 additions and 8 deletions
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1
control/NodeControlService.cpp
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@ -71,6 +71,7 @@ void NodeControlService::threadMain()
} else if ((_node->initialized())&&(_node->address())) { } else if ((_node->initialized())&&(_node->address())) {
Utils::snprintf(tmp,sizeof(tmp),"%s%.10llx",ZT_IPC_ENDPOINT_BASE,(unsigned long long)_node->address()); Utils::snprintf(tmp,sizeof(tmp),"%s%.10llx",ZT_IPC_ENDPOINT_BASE,(unsigned long long)_node->address());
_listener = new IpcListener(tmp,&_CBcommandHandler,this); _listener = new IpcListener(tmp,&_CBcommandHandler,this);
break;
} }
Thread::sleep(100); // wait for Node to start Thread::sleep(100); // wait for Node to start
} }

20
node/Node.cpp
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@ -471,6 +471,7 @@ Node::ReasonForTermination Node::run()
uint64_t lastSupernodePingCheck = 0; uint64_t lastSupernodePingCheck = 0;
uint64_t lastBeacon = 0; uint64_t lastBeacon = 0;
uint64_t lastRootTopologyFetch = 0; uint64_t lastRootTopologyFetch = 0;
uint64_t lastShutdownIfUnreadableCheck = 0;
long lastDelayDelta = 0; long lastDelayDelta = 0;
uint64_t networkConfigurationFingerprint = 0; uint64_t networkConfigurationFingerprint = 0;
@ -480,22 +481,25 @@ Node::ReasonForTermination Node::run()
_r->initialized = true; _r->initialized = true;
while (impl->reasonForTermination == NODE_RUNNING) { while (impl->reasonForTermination == NODE_RUNNING) {
uint64_t now = Utils::now();
bool resynchronize = false;
/* This is how the service automatically shuts down when the OSX .app is /* This is how the service automatically shuts down when the OSX .app is
* thrown in the trash. It's not used on any other platform for now but * thrown in the trash. It's not used on any other platform for now but
* could do similar things. It's disabled on Windows since it doesn't really * could do similar things. It's disabled on Windows since it doesn't really
* work there. */ * work there. */
#ifdef __UNIX_LIKE__ #ifdef __UNIX_LIKE__
if (Utils::fileExists(shutdownIfUnreadablePath.c_str(),false)) { if ((now - lastShutdownIfUnreadableCheck) > 10000) {
FILE *tmpf = fopen(shutdownIfUnreadablePath.c_str(),"r"); lastShutdownIfUnreadableCheck = now;
if (!tmpf) if (Utils::fileExists(shutdownIfUnreadablePath.c_str(),false)) {
return impl->terminateBecause(Node::NODE_NORMAL_TERMINATION,"shutdownIfUnreadable exists but is not readable"); int tmpfd = ::open(shutdownIfUnreadablePath.c_str(),O_RDONLY,0);
fclose(tmpf); if (tmpfd < 0)
return impl->terminateBecause(Node::NODE_NORMAL_TERMINATION,"shutdownIfUnreadable exists but is not readable");
else ::close(tmpfd);
}
} }
#endif #endif
uint64_t now = Utils::now();
bool resynchronize = false;
// If it looks like the computer slept and woke, resynchronize. // If it looks like the computer slept and woke, resynchronize.
if (lastDelayDelta >= ZT_SLEEP_WAKE_DETECTION_THRESHOLD) { if (lastDelayDelta >= ZT_SLEEP_WAKE_DETECTION_THRESHOLD) {
resynchronize = true; resynchronize = true;