add a small tool that can send smnotify packets

(This used to be ctdb commit 2bf3e1311ed9c68eeae9e18344da9ca08f0d4297)

2 files changed, 162 insertions, 0 deletions

diff --git a/ctdb/utils/smnotify/smnotify.c b/ctdb/utils/smnotify/smnotify.c
new file mode 100644
index 00000000000..89e7582da2e
--- /dev/null
+++ b/ctdb/utils/smnotify/smnotify.c
@@ -0,0 +1,146 @@
+/* 
+   simple smnotify tool
+
+   Copyright (C) Ronnie Sahlberg 2007
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.
+*/
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include "smnotify.h"
+#include "../../lib/popt/popt.h"
+
+static char *client       = NULL;
+static const char *ip     = NULL;
+static const char *server = NULL;
+static int stateval       = 0;
+static int clientport     = 0;
+static int sendport       = 0;
+
+static void useage(void)
+{
+	exit(0);
+}
+
+static int create_socket(const char *addr, int port)
+{
+	int s;
+        struct sockaddr_in sock_in;
+
+	s = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+	if (s == -1) {
+		printf("Failed to open local socket\n");
+		exit(10);
+	}
+
+	bzero(&sock_in, sizeof(sock_in));
+	sock_in.sin_family = PF_INET;
+	sock_in.sin_port   = htons(port);
+	inet_aton(addr, &sock_in.sin_addr);
+	if (bind(s, (struct sockaddr *)&sock_in, sizeof(sock_in)) == -1) {
+		printf("Failed to bind to local socket\n");
+		exit(10);
+	}
+
+	return s;
+}
+
+int main(int argc, const char *argv[])
+{
+	struct poptOption popt_options[] = {
+		POPT_AUTOHELP
+		{ "client", 'c', POPT_ARG_STRING, &client, 0, "remote client to send the notify to", "hostname/ip" },
+		{ "clientport", 0, POPT_ARG_INT, &clientport, 0, "clientport", "integer" },
+		{ "ip", 'i', POPT_ARG_STRING, &ip, 0, "local ip address to send the notification from", "ip" },
+		{ "sendport", 0, POPT_ARG_INT, &sendport, 0, "port to send the notify from", "integer" },
+		{ "server", 's', POPT_ARG_STRING, &server, 0, "servername to use in the notification", "hostname/ip" },
+		{ "stateval", 0, POPT_ARG_INT, &stateval, 0, "stateval", "integer" },
+		POPT_TABLEEND
+	};
+	int opt;
+	poptContext pc;
+	CLIENT *clnt;
+	int s;
+        struct sockaddr_in sock_cl;
+	struct timeval w;
+	struct status st;
+
+	pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
+
+	while ((opt = poptGetNextOpt(pc)) != -1) {
+		switch (opt) {
+		default:
+			fprintf(stderr, "Invalid option %s: %s\n", 
+				poptBadOption(pc, 0), poptStrerror(opt));
+			exit(1);
+		}
+	}
+
+	if (client == NULL) {
+		printf("ERROR: client not specified\n");
+		useage();
+	}
+
+	if (ip == NULL) {
+		printf("ERROR: ip not specified\n");
+		useage();
+	}
+
+	if (server == NULL) {
+		printf("ERROR: server not specified\n");
+		useage();
+	}
+
+	if (stateval == 0) {
+		printf("ERROR: stateval not specified\n");
+		useage();
+	}
+
+
+	/* Since we want to control from which address these packets are
+	   sent we must create the socket ourself and use low-level rpc
+	   calls.
+	*/
+	s = create_socket(ip, sendport);
+
+	/* Setup a sockaddr_in for the client we want to notify */
+	bzero(&sock_cl, sizeof(sock_cl));
+	sock_cl.sin_family = PF_INET;
+	sock_cl.sin_port   = htons(clientport);
+	inet_aton(client, &sock_cl.sin_addr);
+
+	w.tv_sec = 1;
+	w.tv_usec= 0;
+
+	clnt = clntudp_create(&sock_cl, 100024, 1, w, &s);
+	if (clnt == NULL) {
+		printf("ERROR: failed to connect to client\n");
+		exit(10);
+	}
+
+	/* we dont want to wait for any reply */
+	w.tv_sec = 0;
+	w.tv_usec = 0;
+	clnt_control(clnt, CLSET_TIMEOUT, (char *)&w);
+
+	st.mon_name=server;
+	st.state=stateval;
+	sm_notify_1(&st, clnt);
+
+	return 0;
+}
diff --git a/ctdb/utils/smnotify/smnotify.x b/ctdb/utils/smnotify/smnotify.x
new file mode 100644
index 00000000000..0d2c69799ad
--- /dev/null
+++ b/ctdb/utils/smnotify/smnotify.x
@@ -0,0 +1,16 @@
+
+const SM_MAXSTRLEN = 1024;
+
+struct status {
+	string mon_name<SM_MAXSTRLEN>;
+	int state;
+};
+
+
+program SMNOTIFY {
+	version SMVERSION {
+		void SM_NOTIFY(struct status) = 6;
+	} = 1;	
+} = 100024;
+
+