This patch adds the body file of nvdimm daemon and compiles nvdimmd
with automake.
Signed-off-by: QI Fuli <qi.f...@jp.fujitsu.com>
---
Makefile.am | 2 +-
configure.ac | 1 +
nvdimmd/Makefile.am | 19 +++++++++
nvdimmd/nvdimmd.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 133 insertions(+), 1 deletion(-)
create mode 100644 nvdimmd/Makefile.am
create mode 100644 nvdimmd/nvdimmd.c
diff --git a/Makefile.am b/Makefile.am
index b538b1f..ff91439 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,7 +1,7 @@
include Makefile.am.in
ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
-SUBDIRS = . daxctl/lib ndctl/lib ndctl daxctl
+SUBDIRS = . daxctl/lib ndctl/lib ndctl daxctl nvdimmd
if ENABLE_DOCS
SUBDIRS += Documentation/ndctl Documentation/daxctl
endif
diff --git a/configure.ac b/configure.ac
index 5b10381..3ce71e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -274,6 +274,7 @@ AC_CONFIG_FILES([
daxctl/lib/Makefile
ndctl/lib/Makefile
ndctl/Makefile
+ nvdimmd/Makefile
daxctl/Makefile
test/Makefile
Documentation/ndctl/Makefile
diff --git a/nvdimmd/Makefile.am b/nvdimmd/Makefile.am
new file mode 100644
index 0000000..9883edd
--- /dev/null
+++ b/nvdimmd/Makefile.am
@@ -0,0 +1,19 @@
+include $(top_srcdir)/Makefile.am.in
+
+bin_PROGRAMS = nvdimmd
+
+nvdimmd_SOURCES =\
+ nvdimmd.c \
+ libnvdimmd.c \
+ util.c \
+ ../util/log.c \
+ ../util/json.c \
+ ../ndctl/util/json-smart.c
+
+nvdimmd_LDADD = ../ndctl/lib/libndctl.la \
+ ../daxctl/lib/libdaxctl.la \
+ ../libutil.a \
+ $(KMOD_LIBS) \
+ $(JSON_LIBS) \
+ $(UUID_LIBS) \
+ $(UDEV_LIBS)
diff --git a/nvdimmd/nvdimmd.c b/nvdimmd/nvdimmd.c
new file mode 100644
index 0000000..f451751
--- /dev/null
+++ b/nvdimmd/nvdimmd.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2017, FUJITSU LIMITED. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
+ * more details.
+ */
+
+/*
+ * Nvdimm daemon is used to monitor the features of over threshold events.
+ * It automatically searches and monitors all of the dimms which support smart
+ * threshold. When an over threshold event fires, it will write a notification
+ * into the system log.
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/stat.h>
+#include <syslog.h>
+#include <errno.h>
+#include <ndctl/lib/private.h>
+#include "libnvdimmd.h"
+
+static int wait_threshold_notify(struct ndctl_ctx *ctx)
+{
+ int rc, maxfd, cnt_dimm;
+ struct threshold_dimm *t_dimm;
+
+ t_dimm = calloc(NUM_MAX_DIMM, sizeof(struct threshold_dimm));
+ if (!t_dimm) {
+ err(ctx, "t_dimm memory not allocated");
+ goto out;
+ }
+
+ fd_set fds;
+ FD_ZERO(&fds);
+
+ cnt_dimm = get_threshold_dimm(ctx, t_dimm, &fds, &maxfd);
+ if (cnt_dimm == 0) {
+ err(ctx, "no dimm supports over threshold notification\n");
+ goto out;
+ }
+
+ rc = select(maxfd + 1, NULL, NULL, &fds, NULL);
+ if (rc < 1) {
+ if (rc == 0)
+ err(ctx, "select unexpected timeout\n");
+ else
+ err(ctx, "select %s\n", strerror(errno));
+ goto out;
+ }
+
+ log_notify(ctx, t_dimm, cnt_dimm, fds, rc);
+
+ free(t_dimm);
+ return 0;
+
+out:
+ return 1;
+}
+
+static void nvdimmd_log_init(struct ndctl_ctx *ctx, int priority,
+ const char *owner, const char *log_env)
+{
+ log_init(&ctx->ctx, owner, log_env);
+ ndctl_set_log_priority(ctx, priority);
+ if (strcmp(nvdimmd_cf->logfile, "syslog") == 0)
+ ndctl_set_log_fn(ctx, log_syslog);
+ else
+ ndctl_set_log_fn(ctx, log_file);
+}
+
+int main(void)
+{
+ if (daemon(0, 0) != 0) {
+ syslog(LOG_ERR, "nvdimmd error: daemon start failed\n");
+ exit(EXIT_FAILURE);
+ }
+ struct ndctl_ctx *ctx;
+ int rc, ret = 0;
+ const char *conf_path = "/etc/nvdimmd/nvdimmd.conf";
+
+ syslog(LOG_INFO, "nvdimmd: started\n");
+
+ if (get_nvdimmd_conf(conf_path) != 0) {
+ syslog(LOG_ERR, "nvdimmd.conf error \n");
+ goto out;
+ }
+
+ while (ret == 0) {
+ rc = ndctl_new(&ctx);
+ if (rc)
+ goto out;
+
+ nvdimmd_log_init(ctx, LOG_NOTICE, "nvdimmd", "NVDIMMD_LOG");
+ ret = wait_threshold_notify(ctx);
+ ndctl_unref(ctx);
+ }
+
+ syslog(LOG_INFO, "nvdimmd: ended\n");
+ return 0;
+
+out:
+ return 1;
+}
--
2.9.5
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