404 lines
9.6 KiB
C
404 lines
9.6 KiB
C
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/*
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* debug.c
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*
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* Copyright (c) 1996-1999 Whistle Communications, Inc.
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* All rights reserved.
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*
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* Subject to the following obligations and disclaimer of warranty, use and
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* redistribution of this software, in source or object code forms, with or
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* without modifications are expressly permitted by Whistle Communications;
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* provided, however, that:
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* 1. Any and all reproductions of the source or object code must include the
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* copyright notice above and the following disclaimer of warranties; and
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* 2. No rights are granted, in any manner or form, to use Whistle
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* Communications, Inc. trademarks, including the mark "WHISTLE
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* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
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* such appears in the above copyright notice or in the software.
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*
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* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
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* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
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* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
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* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
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* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
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* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
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* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
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* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* Author: Archie Cobbs <archie@whistle.com>
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*
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* $FreeBSD$
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* $Whistle: debug.c,v 1.24 1999/01/24 01:15:33 archie Exp $
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*/
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#include <sys/types.h>
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#include <stdarg.h>
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#include <netgraph/ng_message.h>
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#include <netgraph/ng_socket.h>
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#include "netgraph.h"
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#include "internal.h"
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#include <netgraph/ng_socket.h>
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#include <netgraph/ng_message.h>
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#include <netgraph/ng_iface.h>
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#include <netgraph/ng_rfc1490.h>
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#include <netgraph/ng_cisco.h>
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#include <netgraph/ng_async.h>
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#include <netgraph/ng_ppp.h>
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#include <netgraph/ng_frame_relay.h>
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#include <netgraph/ng_lmi.h>
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#include <netgraph/ng_tty.h>
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#include <netgraph/ng_tty.h>
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/* Global debug level */
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int _gNgDebugLevel = 0;
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/* Debug printing functions */
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void (*_NgLog) (const char *fmt,...) = warn;
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void (*_NgLogx) (const char *fmt,...) = warnx;
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/* Internal functions */
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static const char *NgCookie(int cookie);
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static const char *NgCmd(int cookie, int cmd);
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static void NgArgs(int cookie, int cmd, int resp, void *args, int arglen);
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/*
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* Set debug level, ie, verbosity, if "level" is non-negative.
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* Returns old debug level.
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*/
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int
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NgSetDebug(int level)
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{
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int old = _gNgDebugLevel;
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if (level < 0)
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level = old;
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_gNgDebugLevel = level;
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return (old);
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}
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/*
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* Set debug logging functions.
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*/
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void
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NgSetErrLog(void (*log) (const char *fmt,...),
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void (*logx) (const char *fmt,...))
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{
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_NgLog = log;
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_NgLogx = logx;
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}
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/*
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* Display a netgraph sockaddr
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*/
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void
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_NgDebugSockaddr(struct sockaddr_ng *sg)
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{
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NGLOGX("SOCKADDR: { fam=%d len=%d addr=\"%s\" }",
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sg->sg_family, sg->sg_len, sg->sg_data);
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}
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/*
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* Display a negraph message
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*/
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void
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_NgDebugMsg(struct ng_mesg * msg)
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{
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NGLOGX("NG_MESG :");
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NGLOGX(" vers %d", msg->header.version);
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NGLOGX(" arglen %d", msg->header.arglen);
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NGLOGX(" flags %ld", msg->header.flags);
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NGLOGX(" token %lu", (u_long) msg->header.token);
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NGLOGX(" cookie %s", NgCookie(msg->header.typecookie));
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NGLOGX(" cmd %s", NgCmd(msg->header.typecookie, msg->header.cmd));
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NgArgs(msg->header.typecookie, msg->header.cmd,
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(msg->header.flags & NGF_RESP), msg->data, msg->header.arglen);
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}
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/*
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* Return the name of the node type corresponding to the cookie
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*/
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static const char *
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NgCookie(int cookie)
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{
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static char buf[20];
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switch (cookie) {
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case NGM_GENERIC_COOKIE:
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return "generic";
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case NGM_TTY_COOKIE:
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return "tty";
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case NGM_ASYNC_COOKIE:
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return "async";
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case NGM_IFACE_COOKIE:
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return "iface";
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case NGM_FRAMERELAY_COOKIE:
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return "frame_relay";
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case NGM_LMI_COOKIE:
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return "lmi";
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case NGM_CISCO_COOKIE:
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return "cisco";
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case NGM_PPP_COOKIE:
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return "ppp";
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case NGM_RFC1490_NODE_COOKIE:
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return "rfc1490";
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case NGM_SOCKET_COOKIE:
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return "socket";
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}
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snprintf(buf, sizeof(buf), "?? (%d)", cookie);
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return buf;
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}
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/*
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* Return the name of the command
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*/
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static const char *
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NgCmd(int cookie, int cmd)
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{
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static char buf[20];
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switch (cookie) {
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case NGM_GENERIC_COOKIE:
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switch (cmd) {
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case NGM_SHUTDOWN:
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return "shutdown";
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case NGM_MKPEER:
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return "mkpeer";
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case NGM_CONNECT:
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return "connect";
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case NGM_NAME:
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return "name";
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case NGM_RMHOOK:
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return "rmhook";
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case NGM_NODEINFO:
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return "nodeinfo";
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case NGM_LISTHOOKS:
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return "listhooks";
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case NGM_LISTNAMES:
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return "listnames";
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case NGM_LISTNODES:
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return "listnodes";
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case NGM_TEXT_STATUS:
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return "text_status";
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}
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break;
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case NGM_TTY_COOKIE:
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switch (cmd) {
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case NGM_TTY_GET_HOTCHAR:
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return "getHotChar";
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case NGM_TTY_SET_HOTCHAR:
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return "setHotChar";
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}
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break;
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case NGM_ASYNC_COOKIE:
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switch (cmd) {
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case NGM_ASYNC_CMD_GET_STATS:
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return "getStats";
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case NGM_ASYNC_CMD_CLR_STATS:
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return "setStats";
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case NGM_ASYNC_CMD_SET_CONFIG:
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return "setConfig";
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case NGM_ASYNC_CMD_GET_CONFIG:
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return "getConfig";
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}
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break;
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case NGM_IFACE_COOKIE:
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switch (cmd) {
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case NGM_IFACE_GET_IFNAME:
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return "getIfName";
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case NGM_IFACE_GET_IFADDRS:
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return "getIfAddrs";
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}
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break;
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case NGM_LMI_COOKIE:
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switch (cmd) {
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case NGM_LMI_GET_STATUS:
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return "get-status";
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}
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break;
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}
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snprintf(buf, sizeof(buf), "?? (%d)", cmd);
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return buf;
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}
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/*
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* Decode message arguments
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*/
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static void
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NgArgs(int cookie, int cmd, int resp, void *args, int arglen)
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{
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switch (cookie) {
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case NGM_GENERIC_COOKIE:
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switch (cmd) {
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case NGM_SHUTDOWN:
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return;
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case NGM_MKPEER:
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{
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struct ngm_mkpeer *const mkp = (struct ngm_mkpeer *) args;
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if (resp)
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return;
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NGLOGX(" type \"%s\"", mkp->type);
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NGLOGX(" ourhook \"%s\"", mkp->ourhook);
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NGLOGX(" peerhook \"%s\"", mkp->peerhook);
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return;
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}
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case NGM_CONNECT:
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{
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struct ngm_connect *const ngc = (struct ngm_connect *) args;
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if (resp)
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return;
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NGLOGX(" path \"%s\"", ngc->path);
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NGLOGX(" ourhook \"%s\"", ngc->ourhook);
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NGLOGX(" peerhook \"%s\"", ngc->peerhook);
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return;
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}
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case NGM_NAME:
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{
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struct ngm_name *const ngn = (struct ngm_name *) args;
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if (resp)
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return;
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NGLOGX(" name \"%s\"", ngn->name);
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return;
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}
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case NGM_RMHOOK:
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{
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struct ngm_rmhook *const ngr = (struct ngm_rmhook *) args;
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if (resp)
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return;
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NGLOGX(" hook \"%s\"", ngr->ourhook);
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return;
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}
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case NGM_NODEINFO:
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return;
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case NGM_LISTHOOKS:
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return;
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case NGM_LISTNAMES:
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case NGM_LISTNODES:
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return;
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case NGM_TEXT_STATUS:
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if (!resp)
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return;
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NGLOGX(" status \"%s\"", (char *) args);
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return;
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}
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break;
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case NGM_TTY_COOKIE:
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switch (cmd) {
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case NGM_TTY_GET_HOTCHAR:
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if (!resp)
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return;
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NGLOGX(" char 0x%02x", *((int *) args));
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return;
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case NGM_TTY_SET_HOTCHAR:
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NGLOGX(" char 0x%02x", *((int *) args));
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return;
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}
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break;
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case NGM_ASYNC_COOKIE:
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switch (cmd) {
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case NGM_ASYNC_CMD_GET_STATS:
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{
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struct ng_async_stat *const as = (struct ng_async_stat *) args;
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if (!resp)
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return;
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NGLOGX(" syncOctets = %lu", as->syncOctets);
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NGLOGX(" syncFrames = %lu", as->syncFrames);
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NGLOGX(" syncOverflows = %lu", as->syncOverflows);
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NGLOGX(" asyncOctets = %lu", as->asyncOctets);
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NGLOGX(" asyncFrames = %lu", as->asyncFrames);
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NGLOGX(" asyncRunts = %lu", as->asyncRunts);
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NGLOGX(" asyncOverflows = %lu", as->asyncOverflows);
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NGLOGX(" asyncBadCheckSums = %lu", as->asyncBadCheckSums);
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return;
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}
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case NGM_ASYNC_CMD_GET_CONFIG:
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case NGM_ASYNC_CMD_SET_CONFIG:
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{
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struct ng_async_cfg *const ac = (struct ng_async_cfg *) args;
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if (!resp ^ (cmd != NGM_ASYNC_CMD_GET_CONFIG))
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return;
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NGLOGX(" enabled %s", ac->enabled ? "YES" : "NO");
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NGLOGX(" Async MRU %u", ac->amru);
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NGLOGX(" Sync MRU %u", ac->smru);
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NGLOGX(" ACCM 0x%08x", ac->accm);
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return;
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}
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case NGM_ASYNC_CMD_CLR_STATS:
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return;
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}
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break;
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case NGM_IFACE_COOKIE:
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switch (cmd) {
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case NGM_IFACE_GET_IFNAME:
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return;
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case NGM_IFACE_GET_IFADDRS:
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return;
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}
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break;
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}
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_NgDebugBytes(args, arglen);
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}
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/*
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* Dump bytes in hex
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*/
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void
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_NgDebugBytes(const u_char * ptr, int len)
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{
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char buf[100];
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int k, count;
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#define BYPERLINE 16
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for (count = 0; count < len; ptr += BYPERLINE, count += BYPERLINE) {
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/* Do hex */
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snprintf(buf, sizeof(buf), "%04x: ", count);
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for (k = 0; k < BYPERLINE; k++, count++)
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if (count < len)
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snprintf(buf + strlen(buf),
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sizeof(buf) - strlen(buf), "%02x ", ptr[k]);
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else
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snprintf(buf + strlen(buf),
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sizeof(buf) - strlen(buf), " ");
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snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " ");
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count -= BYPERLINE;
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/* Do ASCII */
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for (k = 0; k < BYPERLINE; k++, count++)
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if (count < len)
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snprintf(buf + strlen(buf),
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sizeof(buf) - strlen(buf),
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"%c", isprint(ptr[k]) ? ptr[k] : '.');
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else
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snprintf(buf + strlen(buf),
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sizeof(buf) - strlen(buf), " ");
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count -= BYPERLINE;
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/* Print it */
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NGLOGX("%s", buf);
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}
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}
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