ExternalVendorCode/ZeroTierOne
1
0
Fork 0
mirror of https://github.com/zerotier/ZeroTierOne.git synced 2024-12-19 04:57:53 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

indent fix

Browse Source
This commit is contained in:
Adam Ierymenko 2016-03-03 14:21:13 -08:00
parent fe3a84a422
commit 09fc9e4d0c
1 changed files with 33 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
service/OneService.cpp
View File

@ -1330,42 +1330,42 @@ public:
froms = _udp[0].v4s;
#ifdef ZT_TCP_FALLBACK_RELAY
// TCP fallback tunnel support, currently IPv4 only
if ((len >= 16)&&(reinterpret_cast<const InetAddress *>(addr)->ipScope() == InetAddress::IP_SCOPE_GLOBAL)) {
// Engage TCP tunnel fallback if we haven't received anything valid from a global
// IP address in ZT_TCP_FALLBACK_AFTER milliseconds. If we do start getting
// valid direct traffic we'll stop using it and close the socket after a while.
const uint64_t now = OSUtils::now();
if (((now - _lastDirectReceiveFromGlobal) > ZT_TCP_FALLBACK_AFTER)&&((now - _lastRestart) > ZT_TCP_FALLBACK_AFTER)) {
if (_tcpFallbackTunnel) {
Mutex::Lock _l(_tcpFallbackTunnel->writeBuf_m);
if (!_tcpFallbackTunnel->writeBuf.length())
_phy.setNotifyWritable(_tcpFallbackTunnel->sock,true);
unsigned long mlen = len + 7;
_tcpFallbackTunnel->writeBuf.push_back((char)0x17);
_tcpFallbackTunnel->writeBuf.push_back((char)0x03);
_tcpFallbackTunnel->writeBuf.push_back((char)0x03); // fake TLS 1.2 header
_tcpFallbackTunnel->writeBuf.push_back((char)((mlen >> 8) & 0xff));
_tcpFallbackTunnel->writeBuf.push_back((char)(mlen & 0xff));
_tcpFallbackTunnel->writeBuf.push_back((char)4); // IPv4
_tcpFallbackTunnel->writeBuf.append(reinterpret_cast<const char *>(reinterpret_cast<const void *>(&(reinterpret_cast<const struct sockaddr_in *>(addr)->sin_addr.s_addr))),4);
_tcpFallbackTunnel->writeBuf.append(reinterpret_cast<const char *>(reinterpret_cast<const void *>(&(reinterpret_cast<const struct sockaddr_in *>(addr)->sin_port))),2);
_tcpFallbackTunnel->writeBuf.append((const char *)data,len);
} else if (((now - _lastSendToGlobalV4) < ZT_TCP_FALLBACK_AFTER)&&((now - _lastSendToGlobalV4) > (ZT_PING_CHECK_INVERVAL / 2))) {
std::vector<InetAddress> tunnelIps(_tcpFallbackResolver.get());
if (tunnelIps.empty()) {
if (!_tcpFallbackResolver.running())
_tcpFallbackResolver.resolveNow();
} else {
bool connected = false;
InetAddress addr(tunnelIps[(unsigned long)now % tunnelIps.size()]);
addr.setPort(ZT_TCP_FALLBACK_RELAY_PORT);
_phy.tcpConnect(reinterpret_cast<const struct sockaddr *>(&addr),connected);
}
// TCP fallback tunnel support, currently IPv4 only
if ((len >= 16)&&(reinterpret_cast<const InetAddress *>(addr)->ipScope() == InetAddress::IP_SCOPE_GLOBAL)) {
// Engage TCP tunnel fallback if we haven't received anything valid from a global
// IP address in ZT_TCP_FALLBACK_AFTER milliseconds. If we do start getting
// valid direct traffic we'll stop using it and close the socket after a while.
const uint64_t now = OSUtils::now();
if (((now - _lastDirectReceiveFromGlobal) > ZT_TCP_FALLBACK_AFTER)&&((now - _lastRestart) > ZT_TCP_FALLBACK_AFTER)) {
if (_tcpFallbackTunnel) {
Mutex::Lock _l(_tcpFallbackTunnel->writeBuf_m);
if (!_tcpFallbackTunnel->writeBuf.length())
_phy.setNotifyWritable(_tcpFallbackTunnel->sock,true);
unsigned long mlen = len + 7;
_tcpFallbackTunnel->writeBuf.push_back((char)0x17);
_tcpFallbackTunnel->writeBuf.push_back((char)0x03);
_tcpFallbackTunnel->writeBuf.push_back((char)0x03); // fake TLS 1.2 header
_tcpFallbackTunnel->writeBuf.push_back((char)((mlen >> 8) & 0xff));
_tcpFallbackTunnel->writeBuf.push_back((char)(mlen & 0xff));
_tcpFallbackTunnel->writeBuf.push_back((char)4); // IPv4
_tcpFallbackTunnel->writeBuf.append(reinterpret_cast<const char *>(reinterpret_cast<const void *>(&(reinterpret_cast<const struct sockaddr_in *>(addr)->sin_addr.s_addr))),4);
_tcpFallbackTunnel->writeBuf.append(reinterpret_cast<const char *>(reinterpret_cast<const void *>(&(reinterpret_cast<const struct sockaddr_in *>(addr)->sin_port))),2);
_tcpFallbackTunnel->writeBuf.append((const char *)data,len);
} else if (((now - _lastSendToGlobalV4) < ZT_TCP_FALLBACK_AFTER)&&((now - _lastSendToGlobalV4) > (ZT_PING_CHECK_INVERVAL / 2))) {
std::vector<InetAddress> tunnelIps(_tcpFallbackResolver.get());
if (tunnelIps.empty()) {
if (!_tcpFallbackResolver.running())
_tcpFallbackResolver.resolveNow();
} else {
bool connected = false;
InetAddress addr(tunnelIps[(unsigned long)now % tunnelIps.size()]);
addr.setPort(ZT_TCP_FALLBACK_RELAY_PORT);
_phy.tcpConnect(reinterpret_cast<const struct sockaddr *>(&addr),connected);
}
}
_lastSendToGlobalV4 = now;
}
_lastSendToGlobalV4 = now;
}
#endif // ZT_TCP_FALLBACK_RELAY
} else if (addr->ss_family == AF_INET6) {
if (reinterpret_cast<const struct sockaddr_in6 *>(localAddr)->sin6_port != 0) {