static int TtyGetOptionProc( ClientData instanceData, /* File state. */ Tcl_Interp *interp, /* For error reporting - can be NULL. */ const char *optionName, /* Option to get. */ Tcl_DString *dsPtr) /* Where to store value(s). */ { FileState *fsPtr = instanceData; unsigned int len; char buf[3*TCL_INTEGER_SPACE + 16]; int valid = 0; /* Flag if valid option parsed. */ if (optionName == NULL) { len = 0; } else { len = strlen(optionName); } if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-mode"); } if (len==0 || (len>2 && strncmp(optionName, "-mode", len)==0)) { TtyAttrs tty; valid = 1; TtyGetAttributes(fsPtr->fd, &tty); sprintf(buf, "%d,%c,%d,%d", tty.baud, tty.parity, tty.data, tty.stop); Tcl_DStringAppendElement(dsPtr, buf); } /* * Get option -xchar */ if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-xchar"); Tcl_DStringStartSublist(dsPtr); } if (len==0 || (len>1 && strncmp(optionName, "-xchar", len)==0)) { struct termios iostate; Tcl_DString ds; valid = 1; tcgetattr(fsPtr->fd, &iostate); Tcl_DStringInit(&ds); Tcl_ExternalToUtfDString(NULL, (char *) &iostate.c_cc[VSTART], 1, &ds); Tcl_DStringAppendElement(dsPtr, Tcl_DStringValue(&ds)); TclDStringClear(&ds); Tcl_ExternalToUtfDString(NULL, (char *) &iostate.c_cc[VSTOP], 1, &ds); Tcl_DStringAppendElement(dsPtr, Tcl_DStringValue(&ds)); Tcl_DStringFree(&ds); } if (len == 0) { Tcl_DStringEndSublist(dsPtr); } /* * Get option -queue * Option is readonly and returned by [fconfigure chan -queue] but not * returned by unnamed [fconfigure chan]. */ if ((len > 1) && (strncmp(optionName, "-queue", len) == 0)) { int inQueue=0, outQueue=0, inBuffered, outBuffered; valid = 1; GETREADQUEUE(fsPtr->fd, inQueue); GETWRITEQUEUE(fsPtr->fd, outQueue); inBuffered = Tcl_InputBuffered(fsPtr->channel); outBuffered = Tcl_OutputBuffered(fsPtr->channel); sprintf(buf, "%d", inBuffered+inQueue); Tcl_DStringAppendElement(dsPtr, buf); sprintf(buf, "%d", outBuffered+outQueue); Tcl_DStringAppendElement(dsPtr, buf); } #if defined(TIOCMGET) /* * Get option -ttystatus * Option is readonly and returned by [fconfigure chan -ttystatus] but not * returned by unnamed [fconfigure chan]. */ if ((len > 4) && (strncmp(optionName, "-ttystatus", len) == 0)) { int status; valid = 1; ioctl(fsPtr->fd, TIOCMGET, &status); TtyModemStatusStr(status, dsPtr); } #endif /* TIOCMGET */ if (valid) { return TCL_OK; } return Tcl_BadChannelOption(interp, optionName, "mode" " queue ttystatus xchar" ); }
static int TcpGetOptionProc( ClientData instanceData, /* Socket state. */ Tcl_Interp *interp, /* For error reporting - can be NULL. */ const char *optionName, /* Name of the option to retrieve the value * for, or NULL to get all options and their * values. */ Tcl_DString *dsPtr) /* Where to store the computed value; * initialized by caller. */ { TcpState *statePtr = instanceData; size_t len = 0; WaitForConnect(statePtr, NULL); if (optionName != NULL) { len = strlen(optionName); } if ((len > 1) && (optionName[1] == 'e') && (strncmp(optionName, "-error", len) == 0)) { socklen_t optlen = sizeof(int); if (statePtr->flags & TCP_ASYNC_CONNECT) { /* Suppress errors as long as we are not done */ errno = 0; } else if (statePtr->connectError != 0) { errno = statePtr->connectError; statePtr->connectError = 0; } else { int err; getsockopt(statePtr->fds.fd, SOL_SOCKET, SO_ERROR, (char *) &err, &optlen); errno = err; } if (errno != 0) { Tcl_DStringAppend(dsPtr, Tcl_ErrnoMsg(errno), -1); } return TCL_OK; } if ((len > 1) && (optionName[1] == 'c') && (strncmp(optionName, "-connecting", len) == 0)) { Tcl_DStringAppend(dsPtr, (statePtr->flags & TCP_ASYNC_CONNECT) ? "1" : "0", -1); return TCL_OK; } if ((len == 0) || ((len > 1) && (optionName[1] == 'p') && (strncmp(optionName, "-peername", len) == 0))) { address peername; socklen_t size = sizeof(peername); if ( (statePtr->flags & TCP_ASYNC_CONNECT) ) { /* * In async connect output an empty string */ if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-peername"); Tcl_DStringAppendElement(dsPtr, ""); } else { return TCL_OK; } } else if (getpeername(statePtr->fds.fd, &peername.sa, &size) >= 0) { /* * Peername fetch succeeded - output list */ if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-peername"); Tcl_DStringStartSublist(dsPtr); } TcpHostPortList(interp, dsPtr, peername, size); if (len) { return TCL_OK; } Tcl_DStringEndSublist(dsPtr); } else { /* * getpeername failed - but if we were asked for all the options * (len==0), don't flag an error at that point because it could be * an fconfigure request on a server socket (which have no peer). * Same must be done on win&mac. */ if (len) { if (interp) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't get peername: %s", Tcl_PosixError(interp))); } return TCL_ERROR; } } } if ((len == 0) || ((len > 1) && (optionName[1] == 's') && (strncmp(optionName, "-sockname", len) == 0))) { TcpFdList *fds; address sockname; socklen_t size; int found = 0; if (len == 0) { Tcl_DStringAppendElement(dsPtr, "-sockname"); Tcl_DStringStartSublist(dsPtr); } if ( (statePtr->flags & TCP_ASYNC_CONNECT) ) { /* * In async connect output an empty string */ found = 1; } else { for (fds = &statePtr->fds; fds != NULL; fds = fds->next) { size = sizeof(sockname); if (getsockname(fds->fd, &(sockname.sa), &size) >= 0) { found = 1; TcpHostPortList(interp, dsPtr, sockname, size); } } } if (found) { if (len) { return TCL_OK; } Tcl_DStringEndSublist(dsPtr); } else { if (interp) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "can't get sockname: %s", Tcl_PosixError(interp))); } return TCL_ERROR; } } if (len > 0) { return Tcl_BadChannelOption(interp, optionName, "connecting peername sockname"); } return TCL_OK; }
static int TtySetOptionProc( ClientData instanceData, /* File state. */ Tcl_Interp *interp, /* For error reporting - can be NULL. */ const char *optionName, /* Which option to set? */ const char *value) /* New value for option. */ { FileState *fsPtr = instanceData; unsigned int len, vlen; TtyAttrs tty; int argc; const char **argv; struct termios iostate; len = strlen(optionName); vlen = strlen(value); /* * Option -mode baud,parity,databits,stopbits */ if ((len > 2) && (strncmp(optionName, "-mode", len) == 0)) { if (TtyParseMode(interp, value, &tty) != TCL_OK) { return TCL_ERROR; } /* * system calls results should be checked there. - dl */ TtySetAttributes(fsPtr->fd, &tty); return TCL_OK; } /* * Option -handshake none|xonxoff|rtscts|dtrdsr */ if ((len > 1) && (strncmp(optionName, "-handshake", len) == 0)) { /* * Reset all handshake options. DTR and RTS are ON by default. */ tcgetattr(fsPtr->fd, &iostate); CLEAR_BITS(iostate.c_iflag, IXON | IXOFF | IXANY); #ifdef CRTSCTS CLEAR_BITS(iostate.c_cflag, CRTSCTS); #endif /* CRTSCTS */ if (Tcl_UtfNcasecmp(value, "NONE", vlen) == 0) { /* * Leave all handshake options disabled. */ } else if (Tcl_UtfNcasecmp(value, "XONXOFF", vlen) == 0) { SET_BITS(iostate.c_iflag, IXON | IXOFF | IXANY); } else if (Tcl_UtfNcasecmp(value, "RTSCTS", vlen) == 0) { #ifdef CRTSCTS SET_BITS(iostate.c_cflag, CRTSCTS); #else /* !CRTSTS */ UNSUPPORTED_OPTION("-handshake RTSCTS"); return TCL_ERROR; #endif /* CRTSCTS */ } else if (Tcl_UtfNcasecmp(value, "DTRDSR", vlen) == 0) { UNSUPPORTED_OPTION("-handshake DTRDSR"); return TCL_ERROR; } else { if (interp) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "bad value for -handshake: must be one of" " xonxoff, rtscts, dtrdsr or none", -1)); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "FCONFIGURE", "VALUE", NULL); } return TCL_ERROR; } tcsetattr(fsPtr->fd, TCSADRAIN, &iostate); return TCL_OK; } /* * Option -xchar {\x11 \x13} */ if ((len > 1) && (strncmp(optionName, "-xchar", len) == 0)) { Tcl_DString ds; if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { return TCL_ERROR; } else if (argc != 2) { if (interp) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "bad value for -xchar: should be a list of" " two elements", -1)); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "FCONFIGURE", "VALUE", NULL); } ckfree(argv); return TCL_ERROR; } tcgetattr(fsPtr->fd, &iostate); Tcl_UtfToExternalDString(NULL, argv[0], -1, &ds); iostate.c_cc[VSTART] = *(const cc_t *) Tcl_DStringValue(&ds); TclDStringClear(&ds); Tcl_UtfToExternalDString(NULL, argv[1], -1, &ds); iostate.c_cc[VSTOP] = *(const cc_t *) Tcl_DStringValue(&ds); Tcl_DStringFree(&ds); ckfree(argv); tcsetattr(fsPtr->fd, TCSADRAIN, &iostate); return TCL_OK; } /* * Option -timeout msec */ if ((len > 2) && (strncmp(optionName, "-timeout", len) == 0)) { int msec; tcgetattr(fsPtr->fd, &iostate); if (Tcl_GetInt(interp, value, &msec) != TCL_OK) { return TCL_ERROR; } iostate.c_cc[VMIN] = 0; iostate.c_cc[VTIME] = (msec==0) ? 0 : (msec<100) ? 1 : (msec+50)/100; tcsetattr(fsPtr->fd, TCSADRAIN, &iostate); return TCL_OK; } /* * Option -ttycontrol {DTR 1 RTS 0 BREAK 0} */ if ((len > 4) && (strncmp(optionName, "-ttycontrol", len) == 0)) { #if defined(TIOCMGET) && defined(TIOCMSET) int i, control, flag; if (Tcl_SplitList(interp, value, &argc, &argv) == TCL_ERROR) { return TCL_ERROR; } if ((argc % 2) == 1) { if (interp) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "bad value for -ttycontrol: should be a list of" " signal,value pairs", -1)); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "FCONFIGURE", "VALUE", NULL); } ckfree(argv); return TCL_ERROR; } ioctl(fsPtr->fd, TIOCMGET, &control); for (i = 0; i < argc-1; i += 2) { if (Tcl_GetBoolean(interp, argv[i+1], &flag) == TCL_ERROR) { ckfree(argv); return TCL_ERROR; } if (Tcl_UtfNcasecmp(argv[i], "DTR", strlen(argv[i])) == 0) { if (flag) { SET_BITS(control, TIOCM_DTR); } else { CLEAR_BITS(control, TIOCM_DTR); } } else if (Tcl_UtfNcasecmp(argv[i], "RTS", strlen(argv[i])) == 0) { if (flag) { SET_BITS(control, TIOCM_RTS); } else { CLEAR_BITS(control, TIOCM_RTS); } } else if (Tcl_UtfNcasecmp(argv[i], "BREAK", strlen(argv[i])) == 0) { #if defined(TIOCSBRK) && defined(TIOCCBRK) if (flag) { ioctl(fsPtr->fd, TIOCSBRK, NULL); } else { ioctl(fsPtr->fd, TIOCCBRK, NULL); } #else /* TIOCSBRK & TIOCCBRK */ UNSUPPORTED_OPTION("-ttycontrol BREAK"); ckfree(argv); return TCL_ERROR; #endif /* TIOCSBRK & TIOCCBRK */ } else { if (interp) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "bad signal \"%s\" for -ttycontrol: must be" " DTR, RTS or BREAK", argv[i])); Tcl_SetErrorCode(interp, "TCL", "OPERATION", "FCONFIGURE", "VALUE", NULL); } ckfree(argv); return TCL_ERROR; } } /* -ttycontrol options loop */ ioctl(fsPtr->fd, TIOCMSET, &control); ckfree(argv); return TCL_OK; #else /* TIOCMGET&TIOCMSET */ UNSUPPORTED_OPTION("-ttycontrol"); #endif /* TIOCMGET&TIOCMSET */ } return Tcl_BadChannelOption(interp, optionName, "mode handshake timeout ttycontrol xchar"); }