| Current Path : /sys/contrib/ngatm/netnatm/api/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/contrib/ngatm/netnatm/api/cc_dump.c |
/*
* Copyright (c) 2003-2004
* Hartmut Brandt
* All rights reserved.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* Redistribution of this software and documentation and use in source and
* binary forms, with or without modification, are permitted provided that
* the following conditions are met:
*
* 1. Redistributions of source code or documentation must retain the above
* copyright notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY THE AUTHOR
* AND ITS CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Begemot: libunimsg/netnatm/api/cc_dump.c,v 1.3 2004/08/05 07:10:56 brandt Exp $
*
* ATM API as defined per af-saa-0108
*/
#include <netnatm/unimsg.h>
#include <netnatm/msg/unistruct.h>
#include <netnatm/msg/unimsglib.h>
#include <netnatm/api/unisap.h>
#include <netnatm/sig/unidef.h>
#include <netnatm/api/atmapi.h>
#include <netnatm/api/ccatm.h>
#include <netnatm/api/ccpriv.h>
#ifdef _KERNEL
#ifdef __FreeBSD__
#include <machine/stdarg.h>
#endif
#else /* !_KERNEL */
#include <stdarg.h>
#endif
/*
* local structure to reduce number of arguments to functions
*/
struct dump {
struct ccdata *cc; /* what to dump */
size_t maxsiz; /* size of user buffer */
cc_dump_f func; /* user function */
void *uarg; /* user supplied argument */
char *buf; /* user buffer */
size_t len; /* current string length */
int ret; /* return code */
};
static void cc_dumpf(struct dump *, const char *, ...) __printflike(2, 3);
static void
cc_dumpf(struct dump *d, const char *fmt, ...)
{
va_list ap;
int n;
if (d->ret != 0)
return;
if (d->len >= d->maxsiz - 1) {
d->ret = d->func(d->cc, d->uarg, d->buf);
if (d->ret != 0)
return;
d->buf[0] = '\0';
d->len = 0;
}
va_start(ap, fmt);
n = vsnprintf(d->buf + d->len, d->maxsiz - d->len, fmt, ap);
va_end(ap);
if (n < 0) {
d->ret = CCGETERRNO();
return;
}
if ((size_t)n < d->maxsiz - d->len) {
d->len += n;
return;
}
/* undo the vsnprintf() and flush */
d->buf[d->len] = '\0';
d->ret = d->func(d->cc, d->uarg, d->buf);
if (d->ret != 0)
return;
d->buf[0] = '\0';
d->len = 0;
va_start(ap, fmt);
n = vsnprintf(d->buf, d->maxsiz, fmt, ap);
va_end(ap);
if (n < 0) {
d->ret = CCGETERRNO();
return;
}
if ((size_t)n >= d->maxsiz) {
/* ok, truncate */
d->len = d->maxsiz - 1;
return;
}
d->len = n;
}
/*
* Dump a SAP
*/
static void
cc_dump_sap(struct dump *d, const struct uni_sap *sap)
{
static const char *const tagtab[] = {
[UNISVE_ABSENT] = "absent",
[UNISVE_ANY] = "any",
[UNISVE_PRESENT] = "present"
};
static const char *const plantab[] = {
[UNI_ADDR_E164] = "E164",
[UNI_ADDR_ATME] = "ATME",
};
static const char *const hlitab[] = {
[UNI_BHLI_ISO] = "ISO",
[UNI_BHLI_VENDOR] = "VENDOR",
[UNI_BHLI_USER] = "USER"
};
u_int i;
cc_dumpf(d, " sap(%p):\n", sap);
cc_dumpf(d, " addr=%s", tagtab[sap->addr.tag]);
if (sap->addr.tag == UNISVE_PRESENT) {
cc_dumpf(d, " %s %u ", plantab[sap->addr.plan], sap->addr.len);
if (sap->addr.plan == UNI_ADDR_E164)
for (i = 0; i < sap->addr.len; i++)
cc_dumpf(d, "%c", sap->addr.addr[i]);
else
for (i = 0; i < sap->addr.len; i++)
cc_dumpf(d, "%02x", sap->addr.addr[i]);
}
cc_dumpf(d, "\n");
cc_dumpf(d, " selector=%s", tagtab[sap->selector.tag]);
if (sap->selector.tag == UNISVE_PRESENT)
cc_dumpf(d, " %02x", sap->selector.selector);
cc_dumpf(d, "\n");
cc_dumpf(d, " blli_id2=%s", tagtab[sap->blli_id2.tag]);
if (sap->blli_id2.tag == UNISVE_PRESENT)
cc_dumpf(d, " %02x %02x", sap->blli_id2.proto,
sap->blli_id2.user);
cc_dumpf(d, "\n");
cc_dumpf(d, " blli_id3=%s", tagtab[sap->blli_id3.tag]);
if (sap->blli_id3.tag == UNISVE_PRESENT)
cc_dumpf(d, " %02x,%02x, %02x(%d),%03x,%02x",
sap->blli_id3.proto, sap->blli_id3.user,
sap->blli_id3.ipi, sap->blli_id3.noipi,
sap->blli_id3.oui, sap->blli_id3.pid);
cc_dumpf(d, "\n");
cc_dumpf(d, " bhli=%s", tagtab[sap->bhli.tag]);
if (sap->bhli.tag == UNISVE_PRESENT) {
cc_dumpf(d, " %s ", hlitab[sap->bhli.type]);
for (i = 0; i < sap->bhli.len; i++)
cc_dumpf(d, "%02x", sap->bhli.info[i]);
}
cc_dumpf(d, "\n");
}
/*
* Dump a user.
*/
static void
cc_dump_user(struct dump *d, const struct ccuser *user)
{
struct ccconn *conn;
cc_dumpf(d, "user(%p): %s '%s' %s\n", user,
cc_user_state2str(user->state), user->name,
(user->config == USER_P2P) ? "p2p" :
(user->config == USER_ROOT) ? "root" :
(user->config == USER_LEAF) ? "leaf" : "?");
if (user->sap)
cc_dump_sap(d, user->sap);
cc_dumpf(d, " queue=%u/%u accepted=%p aborted=%u\n", user->queue_max,
user->queue_act, user->accepted, user->aborted);
cc_dumpf(d, " connq:");
TAILQ_FOREACH(conn, &user->connq, connq_link)
cc_dumpf(d, "%p", conn);
cc_dumpf(d, "\n");
}
/*
* Dump a party
*/
static void
cc_dump_party(struct dump *d, const struct ccparty *party, const char *pfx)
{
cc_dumpf(d, "%s party(%p): %u.%u %s\n", pfx, party,
party->epref.flag, party->epref.epref,
cc_party_state2str(party->state));
}
/*
* Dump a connection
*/
static void
cc_dump_conn(struct dump *d, const struct ccconn *conn, const char *pfx)
{
const struct ccparty *party;
cc_dumpf(d, "%sconn(%p): %s\n", pfx, conn,
cc_conn_state2str(conn->state));
cc_dumpf(d, "%s user=%p cref=%u.%u acceptor=%p\n", pfx,
conn->user, conn->cref.cref, conn->cref.flag,
conn->acceptor);
cc_dumpf(d, "%s blli_sel=%u\n", pfx, conn->blli_selector);
LIST_FOREACH(party, &conn->parties, link)
cc_dump_party(d, party, pfx);
}
/*
* Dump a port
*/
static void
cc_dump_port(struct dump *d, const struct ccport *p)
{
u_int i;
const struct ccaddr *a;
const struct ccconn *c;
const struct ccreq *r;
static const char *const ttab[] = {
[UNI_ADDR_UNKNOWN] = "unknown",
[UNI_ADDR_INTERNATIONAL] = "international",
[UNI_ADDR_NATIONAL] = "national",
[UNI_ADDR_NETWORK] = "network",
[UNI_ADDR_SUBSCR] = "subscr",
[UNI_ADDR_ABBR] = "abbr",
};
static const char *const ptab[] = {
[UNI_ADDR_UNKNOWN] = "unknown",
[UNI_ADDR_E164] = "e164",
[UNI_ADDR_ATME] = "atme",
[UNI_ADDR_DATA] = "data",
[UNI_ADDR_PRIVATE] = "private",
};
cc_dumpf(d, "port(%p) %u: %s\n", p, p->param.port,
(p->admin == CCPORT_STOPPED) ? "STOPPED" :
(p->admin == CCPORT_RUNNING) ? "RUNNING" : "????");
cc_dumpf(d, " pcr=%u bits=%u.%u ids=%u/%u/%u esi=%02x:%02x:"
"%02x:%02x:%02x:%02x naddrs=%u\n", p->param.pcr,
p->param.max_vpi_bits, p->param.max_vci_bits, p->param.max_svpc_vpi,
p->param.max_svcc_vpi, p->param.min_svcc_vci, p->param.esi[0],
p->param.esi[1], p->param.esi[2], p->param.esi[3], p->param.esi[4],
p->param.esi[5], p->param.num_addrs);
cc_dumpf(d, " cookies:");
TAILQ_FOREACH(r, &p->cookies, link)
cc_dumpf(d, " %u(%p,%u)", r->cookie, r->conn, r->req);
cc_dumpf(d, "\n");
TAILQ_FOREACH(a, &p->addr_list, port_link) {
cc_dumpf(d, " addr(%p): %s %s %u ", a,
(a->addr.type < sizeof(ttab) / sizeof(ttab[0]) &&
ttab[a->addr.type] != NULL) ? ttab[a->addr.type] : "?",
(a->addr.plan < sizeof(ptab) / sizeof(ptab[0]) &&
ptab[a->addr.plan] != NULL) ? ptab[a->addr.plan] : "?",
a->addr.len);
for (i = 0; i < a->addr.len; i++)
cc_dumpf(d, "%02x", a->addr.addr[i]);
cc_dumpf(d, "\n");
}
LIST_FOREACH(c, &p->conn_list, port_link)
cc_dump_conn(d, c, " ");
}
/*
* Produce a textual dump of the state
*/
int
cc_dump(struct ccdata *cc, size_t maxsiz, cc_dump_f func, void *uarg)
{
struct dump d;
struct ccuser *user;
struct ccconn *conn;
struct ccport *port;
d.ret = 0;
d.uarg = uarg;
d.maxsiz = maxsiz;
d.cc = cc;
d.func = func;
d.buf = CCMALLOC(maxsiz);
if (d.buf == NULL)
return (ENOMEM);
d.len = 0;
cc_dumpf(&d, "dump of node %p\n", cc);
TAILQ_FOREACH(port, &cc->port_list, node_link)
cc_dump_port(&d, port);
LIST_FOREACH(user, &cc->user_list, node_link)
cc_dump_user(&d, user);
cc_dumpf(&d, "orphaned conns:\n");
LIST_FOREACH(conn, &cc->orphaned_conns, port_link)
cc_dump_conn(&d, conn, "");
if (d.len > 0 && d.ret == 0)
d.ret = d.func(d.cc, d.uarg, d.buf);
CCFREE(d.buf);
return (d.ret);
}