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-rw-r--r--libglusterfs/src/events.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/libglusterfs/src/events.c b/libglusterfs/src/events.c
new file mode 100644
index 0000000..9d78187
--- /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;
+}