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Add some proxy debugging, and auto-resolve and periodically re-resolve TCP fallback tunnel hostname.

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This commit is contained in:
Adam Ierymenko 2015-05-21 15:22:41 -07:00
parent 61021fc778
commit 0f7dcb3ef2
3 changed files with 39 additions and 5 deletions
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15
tcp-proxy/tcp-proxy.cpp
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@ -45,6 +45,9 @@
#define ZT_TCP_PROXY_UDP_POOL_START_PORT 10000
#define ZT_TCP_PROXY_CONNECTION_TIMEOUT_SECONDS 300
// Uncomment to print tracing output to stdout
#define ZT_TCP_PROXY_TRACE
using namespace ZeroTier;
/*
@ -135,6 +138,10 @@ struct TcpProxyService
if (rm != reverseMappings.end()) {
Client &c = *(rm->second);
#ifdef ZT_TCP_PROXY_TRACE
printf("UDP [%u] %s >> %.16llx\n",len,reinterpret_cast<const InetAddress *>(from)->toString().c_str(),(unsigned long long)&c);
#endif
unsigned long mlen = len;
if (c.newVersion)
mlen += 7; // new clients get IP info
@ -161,6 +168,10 @@ struct TcpProxyService
for(unsigned long i=0;i<len;++i)
c.tcpWriteBuf[c.tcpWritePtr++] = ((const char *)data)[i];
}
} else {
#ifdef ZT_TCP_PROXY_TRACE
printf("UDP [%u] %s >> (unknown, discarded)\n",len,reinterpret_cast<const InetAddress *>(from)->toString().c_str());
#endif
}
}
}
@ -180,6 +191,10 @@ struct TcpProxyService
c.lastActivity = time((time_t *)0);
c.newVersion = false;
*uptrN = (void *)&c;
#ifdef ZT_TCP_PROXY_TRACE
printf("TCP connect from %s -> %.16llx\n",reinterpret_cast<const InetAddress *>(from)->toString().c_str(),(unsigned long long)&c);
#endif
}
void phyOnTcpClose(PhySocket *sock,void **uptr)