124 lines
3.3 KiB
C
124 lines
3.3 KiB
C
/*
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* Copyright (c) 2005, Dan Ponte
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*
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* sockstuff.c - Implement SOCK_STREAM AF_LOCAL sockets for Tcl
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* $Amigan: phoned/lib/tcl/sockstuff.c,v 1.1 2005/06/26 04:47:20 dcp1990 Exp $ */
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <signal.h>
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#include <sys/wait.h>
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#include <sys/select.h>
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/* network stuff */
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <sys/un.h>
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#include <errno.h>
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#include <tcl.h>
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#define CMD_ARGS (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST objv[])
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int UdomConnectSocket (cdata, interp, argc, argv)
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ClientData cdata;
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Tcl_Interp *interp;
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int argc;
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char **argv;
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{
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int s;
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struct sockaddr_un them;
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if(argc < 2) {
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return TCL_ERROR;
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}
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s = socket(AF_LOCAL, SOCK_STREAM, 0);
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strcpy(them.sun_path, sockfile);
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them.sun_family = AF_LOCAL;
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if(connect(s, (struct sockaddr *)&them, 1 + strlen(them.sun_path) + sizeof(them.sun_family)) == -1) {
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return TCL_ERROR;
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}
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}
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int UdomClose(idata, interp)
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ClientData idata;
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Tcl_Interp *interp;
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{
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close(socket);
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}
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int UdomInput(idata, buf, sizebuf, errorptr)
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ClientData idata;
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char *buf;
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int sizebuf;
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int *errorptr;
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{
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int ec;
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ec = read((int)idata, buf, sizebuf);
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if(ec == -1) {
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*errorptr = errno;
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return -1;
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} else {
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return ec;
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}
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}
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int UdomOutput(idata, buf, towrite, ecptr)
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ClientData idata;
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CONST char *buf;
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int towrite;
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int *ecptr;
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{
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int rc;
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rc = write((int)idata, buf, towrite);
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if(rc == -1) {
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*ecptr = errno;
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return -1;
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} else {
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return rc;
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}
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}
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/* write watcher */
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Tcl_ChannelType ourchan = {
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"udomain",
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TCL_CHANNEL_VERSION_3,
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&UdomClose,
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&UdomInput,
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&UdomOutput,
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NULL, /* seek */
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NULL, /* set and getoption, might do later */
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NULL,
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&UdomWatch,
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&UdomGetHandle,
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NULL, /* close2proc */
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NULL, /* block mode */
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&UdomFlush,
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&UdomHandler,
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&UdomWideSeek /* return EINVAL */
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};
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