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[Cluster-devel] cluster/dlm Makefile tool/Makefile tool/main.c



CVSROOT:	/cvs/cluster
Module name:	cluster
Changes by:	teigland sourceware org	2007-05-18 16:39:51

Added files:
	dlm            : Makefile 
	dlm/tool       : Makefile main.c 

Log message:
	add dlm_tool, can be used to join/leave lockspace

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/dlm/Makefile.diff?cvsroot=cluster&r1=1.8&r2=1.9
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/dlm/tool/Makefile.diff?cvsroot=cluster&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/cluster/dlm/tool/main.c.diff?cvsroot=cluster&r1=NONE&r2=1.1

--- cluster/dlm/Makefile	2007/04/30 11:22:05	1.8
+++ cluster/dlm/Makefile	2007/05/18 16:39:49	1.9
@@ -1,9 +1,8 @@
 ###############################################################################
 ###############################################################################
 ##
-##  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
-##  Copyright (C) 2004 Red Hat, Inc.  All rights reserved.
-##  
+##  Copyright (C) 2005 Red Hat, Inc.  All rights reserved.
+##
 ##  This copyrighted material is made available to anyone wishing to use,
 ##  modify, copy, or redistribute it subject to the terms and conditions
 ##  of the GNU General Public License v.2.
@@ -11,18 +10,10 @@
 ###############################################################################
 ###############################################################################
 
-all:
-	${MAKE} -C lib all
-
-install: all
-	${MAKE} -C lib install
-
-uninstall:
-	${MAKE} -C lib uninstall
-
-clean:
-	${MAKE} -C lib clean
-	rm -f *~
+SUBDIRS=lib tool
 
-distclean: clean
-	rm -f make/defines.mk
+%:
+	set -e && \
+	for i in ${SUBDIRS}; do \
+		${MAKE} -C $$i $@; \
+	done
/cvs/cluster/cluster/dlm/tool/Makefile,v  -->  standard output
revision 1.1
--- cluster/dlm/tool/Makefile
+++ -	2007-05-18 16:39:52.477544000 +0000
@@ -0,0 +1,39 @@
+###############################################################################
+###############################################################################
+##
+##  Copyright (C) 2005 Red Hat, Inc.  All rights reserved.
+##
+##  This copyrighted material is made available to anyone wishing to use,
+##  modify, copy, or redistribute it subject to the terms and conditions
+##  of the GNU General Public License v.2.
+##
+###############################################################################
+###############################################################################
+
+include ../../make/defines.mk
+
+TARGET= dlm_tool
+
+OBJS=	main.o
+
+CFLAGS += -g
+CFLAGS += -I. -I../lib/
+LDFLAGS += -L../lib -ldlm
+
+all: ${TARGET}
+
+${TARGET}: ${OBJS}
+	$(CC) -o $@ $^ $(LDFLAGS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+clean:
+	rm -f *.o ${TARGET}
+
+install: all
+	install -d ${sbindir}
+	install ${TARGET} ${sbindir}
+
+uninstall:
+	${UNINSTALL} ${TARGET} ${sbindir}
/cvs/cluster/cluster/dlm/tool/main.c,v  -->  standard output
revision 1.1
--- cluster/dlm/tool/main.c
+++ -	2007-05-18 16:39:52.912869000 +0000
@@ -0,0 +1,189 @@
+/******************************************************************************
+*******************************************************************************
+**
+**  Copyright (C) 2007 Red Hat, Inc.  All rights reserved.
+**
+**  This copyrighted material is made available to anyone wishing to use,
+**  modify, copy, or redistribute it subject to the terms and conditions
+**  of the GNU General Public License v.2.
+**
+*******************************************************************************
+******************************************************************************/
+
+#include <sys/types.h>
+#include <sys/un.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <netinet/in.h>
+
+#include "libdlm.h"
+
+#define OPTION_STRING			"hVvd:"
+
+#define OP_JOIN				1
+#define OP_LEAVE			2
+#define OP_JOINLEAVE			3
+
+static char *prog_name;
+static char *lsname;
+static int operation;
+static int opt_ind;
+static int verbose;
+static int opt_dir = 0;
+
+static void print_usage(void)
+{
+	printf("Usage:\n");
+	printf("\n");
+	printf("%s [options] [join|leave]\n", prog_name);
+	printf("\n");
+	printf("Options:\n");
+	printf("  -v               Verbose output, extra event information\n");
+	printf("  -h               Print this help, then exit\n");
+	printf("  -V               Print program version information, then exit\n");
+	printf("  -d <n>           Resource directory off/on (0/1), default 0\n");
+	printf("\n");
+}
+
+static void decode_arguments(int argc, char **argv)
+{
+	int cont = 1;
+	int optchar;
+
+	while (cont) {
+		optchar = getopt(argc, argv, OPTION_STRING);
+
+		switch (optchar) {
+		case 'v':
+			verbose = 1;
+			break;
+
+		case 'h':
+			print_usage();
+			exit(EXIT_SUCCESS);
+			break;
+
+		case 'd':
+			opt_dir = atoi(optarg);
+			break;
+
+		case 'V':
+			printf("%s (built %s %s)\n",
+				prog_name, __DATE__, __TIME__);
+			/* printf("%s\n", REDHAT_COPYRIGHT); */
+			exit(EXIT_SUCCESS);
+			break;
+
+		case ':':
+		case '?':
+			fprintf(stderr, "Please use '-h' for usage.\n");
+			exit(EXIT_FAILURE);
+			break;
+
+		case EOF:
+			cont = 0;
+			break;
+
+		default:
+			fprintf(stderr, "unknown option: %c\n", optchar);
+			exit(EXIT_FAILURE);
+			break;
+		};
+	}
+
+	while (optind < argc) {
+		if (!strncmp(argv[optind], "join", 4) &&
+		    (strlen(argv[optind]) == 4)) {
+			operation = OP_JOIN;
+			opt_ind = optind + 1;
+			break;
+		} else if (!strncmp(argv[optind], "leave", 5) &&
+			   (strlen(argv[optind]) == 5)) {
+			operation = OP_LEAVE;
+			opt_ind = optind + 1;
+			break;
+		} else if (!strncmp(argv[optind], "joinleave", 9) &&
+			   (strlen(argv[optind]) == 9)) {
+			operation = OP_JOINLEAVE;
+			opt_ind = optind + 1;
+			break;
+		}
+		optind++;
+	}
+
+	if (!operation || !opt_ind) {
+		print_usage();
+		exit(EXIT_FAILURE);
+	}
+
+	lsname = argv[opt_ind];
+}
+
+void do_join(char *name)
+{
+	dlm_lshandle_t *dh;
+
+	printf("Joining lockspace \"%s\"\n", name);
+	fflush(stdout);
+
+	dh = dlm_new_lockspace(name, 0600, DLM_LSFL_NODIR);
+	if (!dh) {
+		fprintf(stderr, "dlm_create_lockspace %s error %lu %d\n",
+			name, (unsigned long) dh, errno);
+		exit(-1);
+	}
+
+	dlm_close_lockspace(dh);
+	/* there's no autofree so the ls should stay around */
+	printf("done\n");
+}
+
+void do_leave(char *name)
+{
+	dlm_lshandle_t *dh;
+
+	printf("Leaving lockspace \"%s\"\n", name);
+	fflush(stdout);
+
+	dh = dlm_open_lockspace(name);
+	if (!dh) {
+		fprintf(stderr, "dlm_open_lockspace %s error %lu %d\n",
+			name, (unsigned long) dh, errno);
+		exit(-1);
+	}
+
+	dlm_release_lockspace(name, dh, 1);
+	printf("done\n");
+}
+
+int main(int argc, char **argv)
+{
+	prog_name = argv[0];
+	decode_arguments(argc, argv);
+	/* check_name(lsname); */
+
+	switch (operation) {
+	case OP_JOIN:
+		do_join(lsname);
+		break;
+
+	case OP_LEAVE:
+		do_leave(lsname);
+		break;
+
+	case OP_JOINLEAVE:
+		do_join(lsname);
+		do_leave(lsname);
+		break;
+	}
+
+	return 0;
+}
+


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