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author | neilbrown <neilbrown> | 2002-09-02 02:31:12 +0000 |
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committer | neilbrown <neilbrown> | 2002-09-02 02:31:12 +0000 |
commit | 55ce21003ee0fb12fe5ef70909cdc8ce00b803e4 (patch) | |
tree | 75151711c32ae998dc51d80256d232cc5e12df75 | |
parent | 9bea78d8f36cd5ab75d18e32224f0b90a635128c (diff) | |
download | nfs-utils-55ce21003ee0fb12fe5ef70909cdc8ce00b803e4.tar.gz nfs-utils-55ce21003ee0fb12fe5ef70909cdc8ce00b803e4.tar.xz nfs-utils-55ce21003ee0fb12fe5ef70909cdc8ce00b803e4.zip |
-N for statd
-rw-r--r-- | ChangeLog | 10 | ||||
-rw-r--r-- | utils/statd/statd.c | 20 | ||||
-rw-r--r-- | utils/statd/statd.h | 2 | ||||
-rw-r--r-- | utils/statd/statd.man | 6 |
4 files changed, 30 insertions, 8 deletions
@@ -1,6 +1,16 @@ 2002-09-02 Juan Gomez <juang@us.ibm.com> NeilBrown <neilb@cse.unsw.edu.au> + Add -N option to statd to run in notify-only mode. + + * utils/statd/statd.h: uncomment MODE_NOTIFY_ONLY + * utils/statd/statd.man: document -N + * utils/statd/statd.c: enabled -N, largely exists but needed to be + uncommented and completed + +2002-09-02 Juan Gomez <juang@us.ibm.com> + NeilBrown <neilb@cse.unsw.edu.au> + statd to have " -P directory" arg to use that directory instead of /var/lib/nfs. This is useful for fail-over clusters. diff --git a/utils/statd/statd.c b/utils/statd/statd.c index 3a6ed61..b1e7304 100644 --- a/utils/statd/statd.c +++ b/utils/statd/statd.c @@ -55,6 +55,7 @@ static struct option longopts[] = { "port", 1, 0, 'p' }, { "name", 1, 0, 'n' }, { "state-directory-path", 1, 0, 'P' }, + { "notify-mode", 0, 0, 'N' }, { NULL, 0, 0, 0 } }; @@ -112,11 +113,11 @@ static void log_modes(void) strcat(buf,"No-Daemon "); if (run_mode & MODE_LOG_STDERR) strcat(buf,"Log-STDERR "); - /* future: IP aliasing + if (run_mode & MODE_NOTIFY_ONLY) { strcat(buf,"Notify-Only "); - } */ + } log(L_WARNING,buf); /* future: IP aliasing if (run_mode & MODE_NOTIFY_ONLY) @@ -141,6 +142,7 @@ usage() fprintf(stderr," -V, -v, --version Display version information and exit.\n"); fprintf(stderr," -n, --name Specify a local hostname.\n"); fprintf(stderr," -P State directory path.\n"); + fprintf(stderr," -N Run in notify only mode.\n"); } /* @@ -174,7 +176,7 @@ int main (int argc, char **argv) MY_NAME = NULL; /* Process command line switches */ - while ((arg = getopt_long(argc, argv, "h?vVFdn:p:o:P:", longopts, NULL)) != EOF) { + while ((arg = getopt_long(argc, argv, "h?vVFNdn:p:o:P:", longopts, NULL)) != EOF) { switch (arg) { case 'V': /* Version */ case 'v': @@ -183,6 +185,9 @@ int main (int argc, char **argv) case 'F': /* Foreground/nodaemon mode */ run_mode |= MODE_NODAEMON; break; + case 'N': + run_mode |= MODE_NOTIFY_ONLY; + break; case 'd': /* No daemon only - log to stderr */ run_mode |= MODE_LOG_STDERR; break; @@ -308,18 +313,19 @@ int main (int argc, char **argv) notify_hosts (); /* Send out notify requests */ ++restart; - /* future: IP aliasing + /* this registers both UDP and TCP services */ if (!(run_mode & MODE_NOTIFY_ONLY)) { rpc_init("statd", SM_PROG, SM_VERS, sm_prog_1, port); - } */ - /* this registers both UDP and TCP services */ - rpc_init("statd", SM_PROG, SM_VERS, sm_prog_1, port); + } /* * Handle incoming requests: SM_NOTIFY socket requests, as * well as callbacks from lockd. */ my_svc_run(); /* I rolled my own, Olaf made it better... */ + + if ((run_mode & MODE_NOTIFY_ONLY)) + break; } return 0; } diff --git a/utils/statd/statd.h b/utils/statd/statd.h index 5e2b6fd..ef90bdd 100644 --- a/utils/statd/statd.h +++ b/utils/statd/statd.h @@ -73,7 +73,7 @@ stat_chge SM_stat_chge; extern int run_mode; #define MODE_NODAEMON 1 /* No-daemon/foreground mode. */ #define MODE_LOG_STDERR 2 /* in foreground mode, log to stderr */ -/*#define MODE_NOTIFY_ONLY 4*/ /* Send SM_NOTIFY to everyone monitored on +#define MODE_NOTIFY_ONLY 4 /* Send SM_NOTIFY to everyone monitored on a single interface/alias */ /* LH - notify_only mode would be for notifying hosts on an IP alias * that just came back up, for ex, when failing over a HA service to diff --git a/utils/statd/statd.man b/utils/statd/statd.man index 2b10803..6a683ff 100644 --- a/utils/statd/statd.man +++ b/utils/statd/statd.man @@ -95,6 +95,12 @@ If this option is not specified the default of .BR /var/lib/nfs is used. .TP +.B -N +Causes statd to run in the notify-only mode. When started in this mode, the +statd program will check its state directory, send notifications to any +monitored nodes, and exit once the notifications have been sent. This mode is +used to enable Highly Available NFS implementations (i.e. HA-NFS). +.TP .B -? Causes .B rpc.statd |