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fixed a bug of not unlocking a mutex when checking port uniqueness in adding a route listener

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hyung-hwan
2025-01-14 16:47:14 +09:00
parent ea56287eb4
commit a52926d017
2 changed files with 24 additions and 23 deletions
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39
server.go
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@ -188,9 +188,7 @@ func NewServerRoute(cts *ServerConn, id RouteId, option RouteOption, ptc_addr st
}
l, svcaddr, err = cts.make_route_listener(id, option, svc_requested_addr)
if err != nil {
return nil, err
}
if err != nil { return nil, err }
if svc_permitted_net == "" {
if svcaddr.IP.To4() != nil {
@ -363,34 +361,36 @@ func (cts *ServerConn) make_route_listener(id RouteId, option RouteOption, svc_r
}
if option & RouteOption(ROUTE_OPTION_TCP) != 0 {
nw = "tcp"
if svcaddr == nil {
svcaddr = &net.TCPAddr{Port: 0} // port 0 for automatic assignment.
}
nw = "tcp"
if svcaddr == nil {
// port 0 for automatic assignment.
svcaddr = &net.TCPAddr{Port: 0}
}
} else if option & RouteOption(ROUTE_OPTION_TCP4) != 0 {
nw = "tcp4"
if svcaddr == nil {
svcaddr = &net.TCPAddr{IP: net.IPv4zero, Port: 0} // port 0 for automatic assignment.
}
nw = "tcp4"
if svcaddr == nil {
svcaddr = &net.TCPAddr{IP: net.IPv4zero, Port: 0}
}
} else if option & RouteOption(ROUTE_OPTION_TCP6) != 0 {
nw = "tcp6"
if svcaddr == nil {
svcaddr = &net.TCPAddr{IP: net.IPv6zero, Port: 0} // port 0 for automatic assignment.
}
nw = "tcp6"
if svcaddr == nil {
svcaddr = &net.TCPAddr{IP: net.IPv6zero, Port: 0}
}
} else {
return nil, nil, fmt.Errorf("invalid route option value %d(%s)", option, option.string())
return nil, nil, fmt.Errorf("invalid route option value %d(%s)", option, option.string())
}
l, err = net.ListenTCP(nw, svcaddr) // make the binding address configurable. support multiple binding addresses???
if err != nil {
return nil, nil, err
}
if err != nil { return nil, nil, err }
svcaddr = l.Addr().(*net.TCPAddr)
// uniqueness by port id can be checked after listener creation,
// especially when automatic assignment is requested.
cts.svr.svc_port_mtx.Lock()
prev_cri, ok = cts.svr.svc_port_map[PortId(svcaddr.Port)]
if ok {
cts.svr.svc_port_mtx.Unlock()
cts.svr.log.Write(cts.sid, LOG_ERROR,
"Route(%d,%d) on %s not unique by port number - existing route(%d,%d)",
cts.Id, id, prev_cri.conn_id, prev_cri.route_id, svcaddr.String())
@ -1134,7 +1134,6 @@ func NewServer(ctx context.Context, logger Logger, ctl_addrs []string, rpc_addrs
Handler: s.wpx_mux,
TLSConfig: s.wpxtlscfg,
ErrorLog: hs_log,
// TODO: more settings
}
}
// ---------------------------------------------------------