svn commit: r191918 - head/sys/nlm
Doug Rabson
dfr at FreeBSD.org
Fri May 8 15:14:59 UTC 2009
Author: dfr
Date: Fri May 8 15:14:52 2009
New Revision: 191918
URL: http://svn.freebsd.org/changeset/base/191918
Log:
Use log(9) for debug and status messages and hide some of the details with
macros to allow for future flexibility in logging.
Submitted by: zachary dot loafman at isilon dot com
Modified:
head/sys/nlm/nlm_prot_impl.c
Modified: head/sys/nlm/nlm_prot_impl.c
==============================================================================
--- head/sys/nlm/nlm_prot_impl.c Fri May 8 14:34:25 2009 (r191917)
+++ head/sys/nlm/nlm_prot_impl.c Fri May 8 15:14:52 2009 (r191918)
@@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$");
#include <sys/syscall.h>
#include <sys/sysctl.h>
#include <sys/sysent.h>
+#include <sys/syslog.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
#include <sys/taskqueue.h>
@@ -104,6 +105,16 @@ static bool_t nlm_syscall_registered = F
static int nlm_debug_level;
SYSCTL_INT(_debug, OID_AUTO, nlm_debug, CTLFLAG_RW, &nlm_debug_level, 0, "");
+#define NLM_DEBUG(_level, args...) \
+ do { \
+ if (nlm_debug_level >= (_level)) \
+ log(LOG_DEBUG, args); \
+ } while(0)
+#define NLM_ERR(args...) \
+ do { \
+ log(LOG_ERR, args); \
+ } while(0)
+
/*
* Grace period handling. The value of nlm_grace_threshold is the
* value of time_uptime after which we are serving requests normally.
@@ -254,7 +265,7 @@ nlm_init(void *dummy)
error = syscall_register(&nlm_syscall_offset, &nlm_syscall_sysent,
&nlm_syscall_prev_sysent);
if (error)
- printf("Can't register NLM syscall\n");
+ NLM_ERR("Can't register NLM syscall\n");
else
nlm_syscall_registered = TRUE;
}
@@ -450,9 +461,8 @@ again:
}
/* Otherwise, bad news. */
- printf("NLM: failed to contact remote rpcbind, "
- "stat = %d, port = %d\n",
- (int) stat, port);
+ NLM_ERR("NLM: failed to contact remote rpcbind, "
+ "stat = %d, port = %d\n", (int) stat, port);
CLNT_DESTROY(rpcb);
return (NULL);
}
@@ -506,10 +516,8 @@ nlm_lock_callback(void *arg, int pending
struct nlm_async_lock *af = (struct nlm_async_lock *) arg;
struct rpc_callextra ext;
- if (nlm_debug_level >= 2)
- printf("NLM: async lock %p for %s (sysid %d) granted\n",
- af, af->af_host->nh_caller_name,
- af->af_host->nh_sysid);
+ NLM_DEBUG(2, "NLM: async lock %p for %s (sysid %d) granted\n",
+ af, af->af_host->nh_caller_name, af->af_host->nh_sysid);
/*
* Send the results back to the host.
@@ -608,10 +616,8 @@ nlm_cancel_async_lock(struct nlm_async_l
mtx_lock(&host->nh_lock);
if (!error) {
- if (nlm_debug_level >= 2)
- printf("NLM: async lock %p for %s (sysid %d) "
- "cancelled\n",
- af, host->nh_caller_name, host->nh_sysid);
+ NLM_DEBUG(2, "NLM: async lock %p for %s (sysid %d) "
+ "cancelled\n", af, host->nh_caller_name, host->nh_sysid);
/*
* Remove from the nh_pending list and free now that
@@ -672,15 +678,13 @@ nlm_client_recovery_start(void *arg)
{
struct nlm_host *host = (struct nlm_host *) arg;
- if (nlm_debug_level >= 1)
- printf("NLM: client lock recovery for %s started\n",
- host->nh_caller_name);
+ NLM_DEBUG(1, "NLM: client lock recovery for %s started\n",
+ host->nh_caller_name);
nlm_client_recovery(host);
- if (nlm_debug_level >= 1)
- printf("NLM: client lock recovery for %s completed\n",
- host->nh_caller_name);
+ NLM_DEBUG(1, "NLM: client lock recovery for %s completed\n",
+ host->nh_caller_name);
host->nh_monstate = NLM_MONITORED;
nlm_host_release(host);
@@ -703,10 +707,9 @@ nlm_host_notify(struct nlm_host *host, i
struct nlm_async_lock *af;
if (newstate) {
- if (nlm_debug_level >= 1)
- printf("NLM: host %s (sysid %d) rebooted, new "
- "state is %d\n",
- host->nh_caller_name, host->nh_sysid, newstate);
+ NLM_DEBUG(1, "NLM: host %s (sysid %d) rebooted, new "
+ "state is %d\n", host->nh_caller_name,
+ host->nh_sysid, newstate);
}
/*
@@ -786,9 +789,8 @@ nlm_create_host(const char* caller_name)
mtx_assert(&nlm_global_lock, MA_OWNED);
- if (nlm_debug_level >= 1)
- printf("NLM: new host %s (sysid %d)\n",
- caller_name, nlm_next_sysid);
+ NLM_DEBUG(1, "NLM: new host %s (sysid %d)\n",
+ caller_name, nlm_next_sysid);
host = malloc(sizeof(struct nlm_host), M_NLM, M_NOWAIT|M_ZERO);
if (!host)
return (NULL);
@@ -1078,9 +1080,8 @@ nlm_host_unmonitor(struct nlm_host *host
struct timeval timo;
enum clnt_stat stat;
- if (nlm_debug_level >= 1)
- printf("NLM: unmonitoring %s (sysid %d)\n",
- host->nh_caller_name, host->nh_sysid);
+ NLM_DEBUG(1, "NLM: unmonitoring %s (sysid %d)\n",
+ host->nh_caller_name, host->nh_sysid);
/*
* We put our assigned system ID value in the priv field to
@@ -1100,11 +1101,11 @@ nlm_host_unmonitor(struct nlm_host *host
(xdrproc_t) xdr_sm_stat, &smstat, timo);
if (stat != RPC_SUCCESS) {
- printf("Failed to contact local NSM - rpc error %d\n", stat);
+ NLM_ERR("Failed to contact local NSM - rpc error %d\n", stat);
return;
}
if (smstat.res_stat == stat_fail) {
- printf("Local NSM refuses to unmonitor %s\n",
+ NLM_ERR("Local NSM refuses to unmonitor %s\n",
host->nh_caller_name);
return;
}
@@ -1131,9 +1132,8 @@ nlm_host_monitor(struct nlm_host *host,
* detect host reboots.
*/
host->nh_state = state;
- if (nlm_debug_level >= 1)
- printf("NLM: host %s (sysid %d) has NSM state %d\n",
- host->nh_caller_name, host->nh_sysid, state);
+ NLM_DEBUG(1, "NLM: host %s (sysid %d) has NSM state %d\n",
+ host->nh_caller_name, host->nh_sysid, state);
}
mtx_lock(&host->nh_lock);
@@ -1144,9 +1144,8 @@ nlm_host_monitor(struct nlm_host *host,
host->nh_monstate = NLM_MONITORED;
mtx_unlock(&host->nh_lock);
- if (nlm_debug_level >= 1)
- printf("NLM: monitoring %s (sysid %d)\n",
- host->nh_caller_name, host->nh_sysid);
+ NLM_DEBUG(1, "NLM: monitoring %s (sysid %d)\n",
+ host->nh_caller_name, host->nh_sysid);
/*
* We put our assigned system ID value in the priv field to
@@ -1167,11 +1166,11 @@ nlm_host_monitor(struct nlm_host *host,
(xdrproc_t) xdr_sm_stat, &smstat, timo);
if (stat != RPC_SUCCESS) {
- printf("Failed to contact local NSM - rpc error %d\n", stat);
+ NLM_ERR("Failed to contact local NSM - rpc error %d\n", stat);
return;
}
if (smstat.res_stat == stat_fail) {
- printf("Local NSM refuses to monitor %s\n",
+ NLM_ERR("Local NSM refuses to monitor %s\n",
host->nh_caller_name);
mtx_lock(&host->nh_lock);
host->nh_monstate = NLM_MONITOR_FAILED;
@@ -1369,7 +1368,7 @@ nlm_register_services(SVCPOOL *pool, int
int i, j, error;
if (!addr_count) {
- printf("NLM: no service addresses given - can't start server");
+ NLM_ERR("NLM: no service addresses given - can't start server");
return (EINVAL);
}
@@ -1402,7 +1401,7 @@ nlm_register_services(SVCPOOL *pool, int
goto out;
nconf = getnetconfigent(netid);
if (!nconf) {
- printf("Can't lookup netid %s\n",
+ NLM_ERR("Can't lookup netid %s\n",
netid);
error = EINVAL;
goto out;
@@ -1410,7 +1409,7 @@ nlm_register_services(SVCPOOL *pool, int
xprts[j] = svc_tp_create(pool, dispatchers[i],
NLM_PROG, versions[i], uaddr, nconf);
if (!xprts[j]) {
- printf("NLM: unable to create "
+ NLM_ERR("NLM: unable to create "
"(NLM_PROG, %d).\n", versions[i]);
error = EINVAL;
goto out;
@@ -1421,7 +1420,7 @@ nlm_register_services(SVCPOOL *pool, int
rpcb_unset(NLM_PROG, versions[i], nconf);
if (!svc_reg(xprts[j], NLM_PROG, versions[i],
dispatchers[i], nconf)) {
- printf("NLM: can't register "
+ NLM_ERR("NLM: can't register "
"(NLM_PROG, %d)\n", versions[i]);
error = EINVAL;
goto out;
@@ -1469,7 +1468,8 @@ nlm_server_main(int addr_count, char **a
#endif
if (nlm_socket) {
- printf("NLM: can't start server - it appears to be running already\n");
+ NLM_ERR("NLM: can't start server - "
+ "it appears to be running already\n");
return (EPERM);
}
@@ -1479,7 +1479,7 @@ nlm_server_main(int addr_count, char **a
error = socreate(AF_INET, &nlm_socket, SOCK_DGRAM, 0,
td->td_ucred, td);
if (error) {
- printf("NLM: can't create IPv4 socket - error %d\n", error);
+ NLM_ERR("NLM: can't create IPv4 socket - error %d\n", error);
return (error);
}
opt.sopt_dir = SOPT_SET;
@@ -1495,7 +1495,7 @@ nlm_server_main(int addr_count, char **a
error = socreate(AF_INET6, &nlm_socket6, SOCK_DGRAM, 0,
td->td_ucred, td);
if (error) {
- printf("NLM: can't create IPv6 socket - error %d\n", error);
+ NLM_ERR("NLM: can't create IPv6 socket - error %d\n", error);
goto out;
return (error);
}
@@ -1529,7 +1529,7 @@ nlm_server_main(int addr_count, char **a
#endif
if (!nlm_nsm) {
- printf("Can't start NLM - unable to contact NSM\n");
+ NLM_ERR("Can't start NLM - unable to contact NSM\n");
error = EINVAL;
goto out;
}
@@ -1553,14 +1553,13 @@ nlm_server_main(int addr_count, char **a
struct rpc_err err;
CLNT_GETERR(nlm_nsm, &err);
- printf("NLM: unexpected error contacting NSM, stat=%d, errno=%d\n",
- stat, err.re_errno);
+ NLM_ERR("NLM: unexpected error contacting NSM, "
+ "stat=%d, errno=%d\n", stat, err.re_errno);
error = EINVAL;
goto out;
}
- if (nlm_debug_level >= 1)
- printf("NLM: local NSM state is %d\n", smstat.state);
+ NLM_DEBUG(1, "NLM: local NSM state is %d\n", smstat.state);
nlm_nsm_state = smstat.state;
#ifdef NFSCLIENT
@@ -1692,8 +1691,7 @@ nlm_sm_notify(struct nlm_sm_status *argp
uint32_t sysid;
struct nlm_host *host;
- if (nlm_debug_level >= 3)
- printf("nlm_sm_notify(): mon_name = %s\n", argp->mon_name);
+ NLM_DEBUG(3, "nlm_sm_notify(): mon_name = %s\n", argp->mon_name);
memcpy(&sysid, &argp->priv, sizeof(sysid));
host = nlm_find_host_by_sysid(sysid);
if (host) {
@@ -1822,9 +1820,8 @@ nlm_do_test(nlm4_testargs *argp, nlm4_te
return (ENOMEM);
}
- if (nlm_debug_level >= 3)
- printf("nlm_do_test(): caller_name = %s (sysid = %d)\n",
- host->nh_caller_name, host->nh_sysid);
+ NLM_DEBUG(3, "nlm_do_test(): caller_name = %s (sysid = %d)\n",
+ host->nh_caller_name, host->nh_sysid);
nlm_free_finished_locks(host);
sysid = host->nh_sysid;
@@ -1919,9 +1916,8 @@ nlm_do_lock(nlm4_lockargs *argp, nlm4_re
return (ENOMEM);
}
- if (nlm_debug_level >= 3)
- printf("nlm_do_lock(): caller_name = %s (sysid = %d)\n",
- host->nh_caller_name, host->nh_sysid);
+ NLM_DEBUG(3, "nlm_do_lock(): caller_name = %s (sysid = %d)\n",
+ host->nh_caller_name, host->nh_sysid);
if (monitor && host->nh_state && argp->state
&& host->nh_state != argp->state) {
@@ -2043,10 +2039,8 @@ nlm_do_lock(nlm4_lockargs *argp, nlm4_re
&af->af_granted);
free(af, M_NLM);
} else {
- if (nlm_debug_level >= 2)
- printf("NLM: pending async lock %p for %s "
- "(sysid %d)\n",
- af, host->nh_caller_name, sysid);
+ NLM_DEBUG(2, "NLM: pending async lock %p for %s "
+ "(sysid %d)\n", af, host->nh_caller_name, sysid);
/*
* Don't vrele the vnode just yet - this must
* wait until either the async callback
@@ -2103,9 +2097,8 @@ nlm_do_cancel(nlm4_cancargs *argp, nlm4_
return (ENOMEM);
}
- if (nlm_debug_level >= 3)
- printf("nlm_do_cancel(): caller_name = %s (sysid = %d)\n",
- host->nh_caller_name, host->nh_sysid);
+ NLM_DEBUG(3, "nlm_do_cancel(): caller_name = %s (sysid = %d)\n",
+ host->nh_caller_name, host->nh_sysid);
nlm_free_finished_locks(host);
sysid = host->nh_sysid;
@@ -2193,9 +2186,8 @@ nlm_do_unlock(nlm4_unlockargs *argp, nlm
return (ENOMEM);
}
- if (nlm_debug_level >= 3)
- printf("nlm_do_unlock(): caller_name = %s (sysid = %d)\n",
- host->nh_caller_name, host->nh_sysid);
+ NLM_DEBUG(3, "nlm_do_unlock(): caller_name = %s (sysid = %d)\n",
+ host->nh_caller_name, host->nh_sysid);
nlm_free_finished_locks(host);
sysid = host->nh_sysid;
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