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-rw-r--r--libglusterfs/src/Makefile.am6
-rw-r--r--libglusterfs/src/events.c83
-rw-r--r--libglusterfs/src/events.h.in23
-rw-r--r--libglusterfs/src/eventtypes.h22
-rw-r--r--libglusterfs/src/glusterfs.h4
5 files changed, 138 insertions, 0 deletions
diff --git a/libglusterfs/src/Makefile.am b/libglusterfs/src/Makefile.am
index 2ec0f34a670..1dbea92b2bb 100644
--- a/libglusterfs/src/Makefile.am
+++ b/libglusterfs/src/Makefile.am
@@ -71,6 +71,12 @@ libglusterfs_la_SOURCES += $(CONTRIBDIR)/uuid/clear.c \
$(CONTRIBDIR)/uuid/unpack.c
endif
+if BUILD_EVENTS
+libglusterfs_la_SOURCES += events.c
+
+libglusterfs_la_HEADERS += events.h eventtypes.h
+endif
+
libgfchangelog_HEADERS = changelog.h
EXTRA_DIST = graph.l graph.y defaults-tmpl.c
diff --git a/libglusterfs/src/events.c b/libglusterfs/src/events.c
new file mode 100644
index 00000000000..9d781874a8a
--- /dev/null
+++ b/libglusterfs/src/events.c
@@ -0,0 +1,83 @@
+/*
+ Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <time.h>
+#include <stdarg.h>
+#include <string.h>
+#include "syscall.h"
+#include "mem-pool.h"
+#include "events.h"
+
+int
+gf_event (int event, char *fmt, ...)
+{
+ int sock = -1;
+ char eventstr[EVENTS_MSG_MAX] = "";
+ struct sockaddr_un server;
+ va_list arguments;
+ char *msg = NULL;
+ int ret = 0;
+ size_t eventstr_size = 0;
+
+ if (event < 0 || event >= EVENT_LAST) {
+ ret = EVENT_ERROR_INVALID_INPUTS;
+ goto out;
+ }
+
+ sock = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (sock < 0) {
+ ret = EVENT_ERROR_SOCKET;
+ goto out;
+ }
+ server.sun_family = AF_UNIX;
+ strcpy(server.sun_path, EVENT_PATH);
+
+ if (connect(sock,
+ (struct sockaddr *) &server,
+ sizeof(struct sockaddr_un)) < 0) {
+ ret = EVENT_ERROR_CONNECT;
+ goto out;
+ }
+
+ va_start (arguments, fmt);
+ ret = gf_vasprintf (&msg, fmt, arguments);
+ va_end (arguments);
+ if (ret < 0) {
+ ret = EVENT_ERROR_INVALID_INPUTS;
+ goto out;
+ }
+
+ eventstr_size = snprintf(NULL, 0, "%u %d %s", (unsigned)time(NULL),
+ event, msg);
+
+ if (eventstr_size + 1 > EVENTS_MSG_MAX) {
+ eventstr_size = EVENTS_MSG_MAX - 1;
+ }
+
+ snprintf(eventstr, eventstr_size+1, "%u %d %s",
+ (unsigned)time(NULL), event, msg);
+
+ if (sys_write(sock, eventstr, strlen(eventstr)) <= 0) {
+ ret = EVENT_ERROR_SEND;
+ goto out;
+ }
+
+ ret = EVENT_SEND_OK;
+
+ out:
+ sys_close(sock);
+ GF_FREE(msg);
+ return ret;
+}
diff --git a/libglusterfs/src/events.h.in b/libglusterfs/src/events.h.in
new file mode 100644
index 00000000000..37692bef732
--- /dev/null
+++ b/libglusterfs/src/events.h.in
@@ -0,0 +1,23 @@
+/*
+ Copyright (c) 2016 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#ifndef __EVENTS_H__
+#define __EVENTS_H__
+
+#include <stdio.h>
+
+#include "eventtypes.h"
+
+#define EVENT_PATH "@localstatedir@/run/gluster/events.sock"
+#define EVENTS_MSG_MAX 2048
+
+extern int gf_event(int key, char *fmt, ...);
+
+#endif /* __EVENTS_H__ */
diff --git a/libglusterfs/src/eventtypes.h b/libglusterfs/src/eventtypes.h
new file mode 100644
index 00000000000..874f8ccf114
--- /dev/null
+++ b/libglusterfs/src/eventtypes.h
@@ -0,0 +1,22 @@
+#ifndef __EVENTTYPES_H__
+#define __EVENTTYPES_H__
+
+typedef enum {
+ EVENT_SEND_OK,
+ EVENT_ERROR_INVALID_INPUTS,
+ EVENT_ERROR_SOCKET,
+ EVENT_ERROR_CONNECT,
+ EVENT_ERROR_SEND,
+} event_errors_t;
+
+typedef enum {
+ EVENT_PEER_ATTACH,
+ EVENT_PEER_DETACH,
+ EVENT_VOLUME_CREATE,
+ EVENT_VOLUME_START,
+ EVENT_VOLUME_STOP,
+ EVENT_VOLUME_DELETE,
+ EVENT_LAST
+} eventtypes_t;
+
+#endif /* __EVENTTYPES_H__ */
diff --git a/libglusterfs/src/glusterfs.h b/libglusterfs/src/glusterfs.h
index 8d387bafb3b..d11cbdcb8ee 100644
--- a/libglusterfs/src/glusterfs.h
+++ b/libglusterfs/src/glusterfs.h
@@ -37,6 +37,10 @@
#include "lkowner.h"
#include "compat-uuid.h"
+#if (USE_EVENTS)
+#include "events.h"
+#endif
+
#define GF_YES 1
#define GF_NO 0