1 files changed, 83 insertions, 0 deletions
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;
+}