From 9e1d9ba5095bf84d1498516a75b7dac99936216e Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Tue, 12 Jan 2010 12:18:23 +0100
Subject: [PATCH] TODO: server: collect the panic action outout for logging

metze
---
 server/ctdb_logging.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/server/ctdb_logging.c b/server/ctdb_logging.c
index 7e5367ea..ab7cf597 100644
--- a/server/ctdb_logging.c
+++ b/server/ctdb_logging.c
@@ -173,6 +173,44 @@ struct ctdb_log_state {
 
 /* we need this global to keep the DEBUG() syntax */
 static struct ctdb_log_state *log_state;
+static int log_pid;
+
+/*
+  called when log data comes in from a child process
+ */
+static void ctdb_log_handler(struct event_context *ev, struct fd_event *fde,
+			     uint16_t flags, void *private);
+
+static void ctdb_post_panic_logging(void)
+{
+	if (log_pid != getpid()) {
+		return;
+	}
+
+	if (log_state == NULL) {
+		return;
+	}
+
+	while (true) {
+		int ret;
+		int value = 0;
+
+		ret = ioctl(log_state->pfd, FIONREAD, &value);
+		if (ret == -1) {
+			break;
+		}
+
+		if (ret != 0) {
+			break;
+		}
+
+		if (value <= 0) {
+			break;
+		}
+
+		ctdb_log_handler(NULL, NULL, EVENT_FD_READ, log_state);
+	}
+}
 
 /*
   syslog logging function
@@ -332,6 +370,7 @@ int ctdb_set_logfile(struct ctdb_context *ctdb, const char *logfile, bool use_sy
 
 	ctdb->log->ctdb = ctdb;
 	log_state = ctdb->log;
+	log_pid = getpid();
 
 	if (use_syslog) {
 		do_debug_v = ctdb_syslog_log;
@@ -543,6 +582,8 @@ int ctdb_set_child_logging(struct ctdb_context *ctdb)
 
 	DEBUG(DEBUG_DEBUG, (__location__ " Created PIPE FD:%d for logging\n", p[0]));
 
+	post_panic_action_hook = ctdb_post_panic_logging;
+
 	return 0;
 }
 
-- 
2.34.1