diff options
Diffstat (limited to 'generic/tclIOSock.c')
| -rw-r--r-- | generic/tclIOSock.c | 78 |
1 files changed, 54 insertions, 24 deletions
diff --git a/generic/tclIOSock.c b/generic/tclIOSock.c index c5b7d28..8ad268a 100644 --- a/generic/tclIOSock.c +++ b/generic/tclIOSock.c @@ -56,8 +56,8 @@ static const char *gai_strerror(int code) { int TclSockGetPort( Tcl_Interp *interp, - const char *string, /* Integer or service name */ - const char *proto, /* "tcp" or "udp", typically */ + const char *string, /* Integer or service name */ + const char *proto, /* "tcp" or "udp", typically */ int *portPtr) /* Return port number */ { struct servent *sp; /* Protocol info for named services */ @@ -154,15 +154,15 @@ TclSockMinimumBuffers( int TclCreateSocketAddress( - Tcl_Interp *interp, /* Interpreter for querying - * the desired socket family */ - struct addrinfo **addrlist, /* Socket address list */ - const char *host, /* Host. NULL implies INADDR_ANY */ - int port, /* Port number */ - int willBind, /* Is this an address to bind() to or - * to connect() to? */ - const char **errorMsgPtr) /* Place to store the error message - * detail, if available. */ + Tcl_Interp *interp, /* Interpreter for querying the desired socket + * family */ + struct addrinfo **addrlist, /* Socket address list */ + const char *host, /* Host. NULL implies INADDR_ANY */ + int port, /* Port number */ + int willBind, /* Is this an address to bind() to or to + * connect() to? */ + const char **errorMsgPtr) /* Place to store the error message detail, if + * available. */ { struct addrinfo hints; struct addrinfo *p; @@ -181,30 +181,31 @@ TclCreateSocketAddress( * Workaround for OSX's apparent inability to resolve "localhost", "0" * when the loopback device is the only available network interface. */ + if (host != NULL && port == 0) { - portstring = NULL; + portstring = NULL; } else { - TclFormatInt(portbuf, port); - portstring = portbuf; + TclFormatInt(portbuf, port); + portstring = portbuf; } (void) memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_UNSPEC; /* - * Magic variable to enforce a certain address family - to be superseded - * by a TIP that adds explicit switches to [socket] + * Magic variable to enforce a certain address family; to be superseded + * by a TIP that adds explicit switches to [socket]. */ if (interp != NULL) { - family = Tcl_GetVar(interp, "::tcl::unsupported::socketAF", 0); - if (family != NULL) { - if (strcmp(family, "inet") == 0) { - hints.ai_family = AF_INET; - } else if (strcmp(family, "inet6") == 0) { - hints.ai_family = AF_INET6; - } - } + family = Tcl_GetVar2(interp, "::tcl::unsupported::socketAF", NULL, 0); + if (family != NULL) { + if (strcmp(family, "inet") == 0) { + hints.ai_family = AF_INET; + } else if (strcmp(family, "inet6") == 0) { + hints.ai_family = AF_INET6; + } + } } hints.ai_socktype = SOCK_STREAM; @@ -251,6 +252,7 @@ TclCreateSocketAddress( * * There might be more elegant/efficient ways to do this. */ + if (willBind) { for (p = *addrlist; p != NULL; p = p->ai_next) { if (p->ai_family == AF_INET) { @@ -283,6 +285,34 @@ TclCreateSocketAddress( } /* + *---------------------------------------------------------------------- + * + * Tcl_OpenTcpServer -- + * + * Opens a TCP server socket and creates a channel around it. + * + * Results: + * The channel or NULL if failed. If an error occurred, an error message + * is left in the interp's result if interp is not NULL. + * + * Side effects: + * Opens a server socket and creates a new channel. + * + *---------------------------------------------------------------------- + */ +Tcl_Channel Tcl_OpenTcpServer(Tcl_Interp *interp, int port, + const char *host, Tcl_TcpAcceptProc *acceptProc, + ClientData callbackData) +{ + char portbuf[TCL_INTEGER_SPACE]; + + TclFormatInt(portbuf, port); + + return Tcl_OpenTcpServerEx(interp, portbuf, host, TCL_TCPSERVER_REUSEADDR, + acceptProc, callbackData); +} + +/* * Local Variables: * mode: c * c-basic-offset: 4 |