debian-packages/vibe-core
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Fix cancellation of connectTCP in case of early errors.

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Certain errors will result in an invalid handle to be returned from eventDriver.sockets.connectStream. In that case it is invalid to call cancelConnect.

Also adds an additional debug log message including a stack trace in case of exceptions thrown from connection handlers.
This commit is contained in:
Sönke Ludwig 2018-03-18 12:13:13 +01:00
parent 88bcae036c
commit e2eef799f8
1 changed files with 4 additions and 1 deletions
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5
source/vibe/core/net.d
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@ -39,6 +39,7 @@ NetworkAddress resolveHost(string host, ushort address_family, bool use_dns = tr
else import core.sys.posix.netinet.in_ : sockaddr_in, sockaddr_in6;
enforce(host.length > 0, "Host name must not be empty.");
// FIXME: this check needs to be more specific to not disallow valid DNS names
if (host[0] == ':' || host[0] >= '0' && host[0] <= '9') {
auto addr = parseAddress(host);
enforce(address_family == AddressFamily.UNSPEC || addr.addressFamily == address_family);
@ -135,6 +136,7 @@ TCPListener listenTCP(ushort port, void delegate(TCPConnection) connection_callb
catch (Exception e) {
logError("Handling of connection failed: %s", e.msg);
conn.close();
logDebug("Full error: %s", e);
}
}, address, options);
}
@ -204,7 +206,8 @@ TCPConnection connectTCP(NetworkAddress addr, NetworkAddress bind_address = anyA
cb => eventDriver.sockets.connectStream(uaddr, baddr, cb),
(cb, sock_fd) {
cancelled = true;
eventDriver.sockets.cancelConnectStream(sock_fd);
if (sock_fd != SocketFD.invalid)
eventDriver.sockets.cancelConnectStream(sock_fd);
},
(fd, st) { sock = fd; status = st; }
);