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-rw-r--r--node/Node.cpp54
1 files changed, 28 insertions, 26 deletions
diff --git a/node/Node.cpp b/node/Node.cpp
index c3771df0..3da98223 100644
--- a/node/Node.cpp
+++ b/node/Node.cpp
@@ -88,6 +88,7 @@ struct _LocalClientImpl
UdpSocket *sock;
void (*resultHandler)(void *,unsigned long,const char *);
void *arg;
+ unsigned int controlPort;
InetAddress localDestAddr;
Mutex inUseLock;
};
@@ -111,7 +112,7 @@ static void _CBlocalClientHandler(UdpSocket *sock,void *arg,const InetAddress &r
} catch ( ... ) {}
}
-Node::LocalClient::LocalClient(const char *authToken,void (*resultHandler)(void *,unsigned long,const char *),void *arg)
+Node::LocalClient::LocalClient(const char *authToken,unsigned int controlPort,void (*resultHandler)(void *,unsigned long,const char *),void *arg)
throw() :
_impl((void *)0)
{
@@ -138,8 +139,9 @@ Node::LocalClient::LocalClient(const char *authToken,void (*resultHandler)(void
impl->sock = sock;
impl->resultHandler = resultHandler;
impl->arg = arg;
+ impl->controlPort = (controlPort) ? controlPort : (unsigned int)ZT_DEFAULT_CONTROL_UDP_PORT;
impl->localDestAddr = InetAddress::LO4;
- impl->localDestAddr.setPort(ZT_CONTROL_UDP_PORT);
+ impl->localDestAddr.setPort(impl->controlPort);
_impl = impl;
} else delete impl;
}
@@ -183,6 +185,8 @@ unsigned long Node::LocalClient::send(const char *command)
struct _NodeImpl
{
RuntimeEnvironment renv;
+ unsigned int port;
+ unsigned int controlPort;
std::string reasonForTerminationStr;
volatile Node::ReasonForTermination reasonForTermination;
volatile bool started;
@@ -272,7 +276,7 @@ static void _netconfServiceMessageHandler(void *renv,Service &svc,const Dictiona
}
#endif // !__WINDOWS__
-Node::Node(const char *hp)
+Node::Node(const char *hp,unsigned int port,unsigned int controlPort)
throw() :
_impl(new _NodeImpl)
{
@@ -280,6 +284,8 @@ Node::Node(const char *hp)
if ((hp)&&(strlen(hp) > 0))
impl->renv.homePath = hp;
else impl->renv.homePath = ZT_DEFAULTS.defaultHomePath;
+ impl->port = (port) ? port : (unsigned int)ZT_DEFAULT_UDP_PORT;
+ impl->controlPort = (controlPort) ? controlPort : (unsigned int)ZT_DEFAULT_CONTROL_UDP_PORT;
impl->reasonForTermination = Node::NODE_RUNNING;
impl->started = false;
impl->running = false;
@@ -327,7 +333,7 @@ Node::ReasonForTermination Node::run()
return impl->terminateBecause(Node::NODE_UNRECOVERABLE_ERROR,"could not write identity.public (home path not writable?)");
}
} else {
- LOG("no identity found, generating one... this might take a few seconds...");
+ LOG("no identity found or identity invalid, generating one... this might take a few seconds...");
_r->identity.generate();
LOG("generated new identity: %s",_r->identity.address().toString().c_str());
idser = _r->identity.toString(true);
@@ -365,36 +371,29 @@ Node::ReasonForTermination Node::run()
}
Utils::lockDownFile(configAuthTokenPath.c_str(),false);
- // Create the core objects in RuntimeEnvironment: node config, demarcation
- // point, switch, network topology database, and system environment
- // watcher.
+ // Create the objects that make up runtime state.
_r->multicaster = new Multicaster();
_r->sw = new Switch(_r);
_r->demarc = new Demarc(_r);
_r->topology = new Topology(_r,(_r->homePath + ZT_PATH_SEPARATOR_S + "peer.db").c_str());
_r->sysEnv = new SysEnv(_r);
try {
- _r->nc = new NodeConfig(_r,configAuthToken.c_str());
+ _r->nc = new NodeConfig(_r,configAuthToken.c_str(),impl->controlPort);
} catch (std::exception &exc) {
- // An exception here currently means that another instance of ZeroTier
- // One is running.
- return impl->terminateBecause(Node::NODE_UNRECOVERABLE_ERROR,(std::string("another instance of ZeroTier One appears to be running, or local control UDP port cannot be bound: ") + exc.what()).c_str());
+ char foo[1024];
+ Utils::snprintf(foo,sizeof(foo),"unable to bind to local control port %u: is another instance of ZeroTier One already running?",impl->controlPort);
+ return impl->terminateBecause(Node::NODE_UNRECOVERABLE_ERROR,foo);
}
_r->node = this;
- // TODO: make configurable
- bool boundPort = false;
- for(unsigned int p=ZT_DEFAULT_UDP_PORT;p<(ZT_DEFAULT_UDP_PORT + 128);++p) {
- if (_r->demarc->bindLocalUdp(p)) {
- boundPort = true;
- break;
- }
+ // Bind local port for core I/O
+ if (!_r->demarc->bindLocalUdp(impl->port)) {
+ char foo[1024];
+ Utils::snprintf(foo,sizeof(foo),"unable to bind to global I/O port %u: is another instance of ZeroTier One already running?",impl->controlPort);
+ return impl->terminateBecause(Node::NODE_UNRECOVERABLE_ERROR,foo);
}
- if (!boundPort)
- return impl->terminateBecause(Node::NODE_UNRECOVERABLE_ERROR,"could not bind any local UDP ports");
- // TODO: bootstrap off network so we don't have to update code for
- // changes in supernodes.
+ // Set initial supernode list
_r->topology->setSupernodes(ZT_DEFAULTS.supernodes);
} catch (std::bad_alloc &exc) {
return impl->terminateBecause(Node::NODE_UNRECOVERABLE_ERROR,"memory allocation failure");
@@ -404,6 +403,8 @@ Node::ReasonForTermination Node::run()
return impl->terminateBecause(Node::NODE_UNRECOVERABLE_ERROR,"unknown exception during initialization");
}
+ // Start external service subprocesses, which is only used by special nodes
+ // right now and isn't available on Windows.
#ifndef __WINDOWS__
try {
std::string netconfServicePath(_r->homePath + ZT_PATH_SEPARATOR_S + "services.d" + ZT_PATH_SEPARATOR_S + "netconf.service");
@@ -416,6 +417,7 @@ Node::ReasonForTermination Node::run()
}
#endif
+ // Core I/O loop
try {
uint64_t lastNetworkAutoconfCheck = 0;
uint64_t lastPingCheck = 0;
@@ -614,9 +616,9 @@ const unsigned char EMBEDDED_VERSION_STAMP[20] = {
extern "C" {
-ZeroTier::Node *zeroTierCreateNode(const char *hp)
+ZeroTier::Node *zeroTierCreateNode(const char *hp,unsigned int port,unsigned int controlPort)
{
- return new ZeroTier::Node(hp);
+ return new ZeroTier::Node(hp,port,controlPort);
}
void zeroTierDeleteNode(ZeroTier::Node *n)
@@ -624,9 +626,9 @@ void zeroTierDeleteNode(ZeroTier::Node *n)
delete n;
}
-ZeroTier::Node::LocalClient *zeroTierCreateLocalClient(const char *authToken,void (*resultHandler)(void *,unsigned long,const char *),void *arg)
+ZeroTier::Node::LocalClient *zeroTierCreateLocalClient(const char *authToken,unsigned int controlPort,void (*resultHandler)(void *,unsigned long,const char *),void *arg)
{
- return new ZeroTier::Node::LocalClient(authToken,resultHandler,arg);
+ return new ZeroTier::Node::LocalClient(authToken,controlPort,resultHandler,arg);
}
void zeroTierDeleteLocalClient(ZeroTier::Node::LocalClient *lc)
generated by cgit v1.2.3 (git 2.39.1) at 2026-01-15 06:00:38 +0000