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-rw-r--r--ctdb/common/path_tool.c384
1 files changed, 384 insertions, 0 deletions
diff --git a/ctdb/common/path_tool.c b/ctdb/common/path_tool.c
new file mode 100644
index 0000000..44d29b6
--- /dev/null
+++ b/ctdb/common/path_tool.c
@@ -0,0 +1,384 @@
+/*
+ path tool
+
+ Copyright (C) Amitay Isaacs 2018
+
+ 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 "replace.h"
+
+#include <talloc.h>
+
+#include "lib/util/debug.h"
+
+#include "common/logging.h"
+#include "common/cmdline.h"
+#include "common/path.h"
+#include "common/path_tool.h"
+
+struct path_tool_context {
+ struct cmdline_context *cmdline;
+};
+
+static int path_tool_config(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+
+ if (argc != 0) {
+ cmdline_usage(ctx->cmdline, "config");
+ return EINVAL;
+ }
+
+ printf("%s\n", path_config(mem_ctx));
+
+ return 0;
+}
+
+static int path_tool_pidfile(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+ char *p;
+
+ if (argc != 1) {
+ cmdline_usage(ctx->cmdline, "pidfile");
+ return EINVAL;
+ }
+
+ p = path_pidfile(mem_ctx, argv[0]);
+ if (p == NULL) {
+ D_ERR("Memory allocation error\n");
+ return 1;
+ }
+
+ printf("%s\n", p);
+
+ return 0;
+}
+
+static int path_tool_socket(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+ char *p;
+
+ if (argc != 1) {
+ cmdline_usage(ctx->cmdline, "socket");
+ return EINVAL;
+ }
+
+ p = path_socket(mem_ctx, argv[0]);
+ if (p == NULL) {
+ D_ERR("Memory allocation error\n");
+ return 1;
+ }
+
+ printf("%s\n", p);
+
+ return 0;
+}
+
+static int path_tool_datadir(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+
+ if (argc != 0) {
+ cmdline_usage(ctx->cmdline, "datadir");
+ return EINVAL;
+ }
+
+ printf("%s\n", path_datadir());
+
+ return 0;
+}
+
+static int path_tool_datadir_append(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+ char *p;
+
+ if (argc != 1) {
+ cmdline_usage(ctx->cmdline, "datadir append");
+ return EINVAL;
+ }
+
+ p = path_datadir_append(mem_ctx, argv[0]);
+ if (p == NULL) {
+ D_ERR("Memory allocation error\n");
+ return 1;
+ }
+
+ printf("%s\n", p);
+
+ return 0;
+}
+
+static int path_tool_etcdir(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+
+ if (argc != 0) {
+ cmdline_usage(ctx->cmdline, "etcdir");
+ return EINVAL;
+ }
+
+ printf("%s\n", path_etcdir());
+
+ return 0;
+}
+
+static int path_tool_etcdir_append(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+ char *p;
+
+ if (argc != 1) {
+ cmdline_usage(ctx->cmdline, "etcdir append");
+ return EINVAL;
+ }
+
+ p = path_etcdir_append(mem_ctx, argv[0]);
+ if (p == NULL) {
+ D_ERR("Memory allocation error\n");
+ return 1;
+ }
+
+ printf("%s\n", p);
+
+ return 0;
+}
+
+static int path_tool_rundir(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+
+ if (argc != 0) {
+ cmdline_usage(ctx->cmdline, "rundir");
+ return EINVAL;
+ }
+
+ printf("%s\n", path_rundir());
+
+ return 0;
+}
+
+static int path_tool_rundir_append(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+ char *p;
+
+ if (argc != 1) {
+ cmdline_usage(ctx->cmdline, "rundir append");
+ return EINVAL;
+ }
+
+ p = path_rundir_append(mem_ctx, argv[0]);
+ if (p == NULL) {
+ D_ERR("Memory allocation error\n");
+ return 1;
+ }
+
+ printf("%s\n", p);
+
+ return 0;
+}
+
+static int path_tool_vardir(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+
+ if (argc != 0) {
+ cmdline_usage(ctx->cmdline, "vardir");
+ return EINVAL;
+ }
+
+ printf("%s\n", path_vardir());
+
+ return 0;
+}
+
+static int path_tool_vardir_append(TALLOC_CTX *mem_ctx,
+ int argc,
+ const char **argv,
+ void *private_data)
+{
+ struct path_tool_context *ctx = talloc_get_type_abort(
+ private_data, struct path_tool_context);
+ char *p;
+
+ if (argc != 1) {
+ cmdline_usage(ctx->cmdline, "vardir append");
+ return EINVAL;
+ }
+
+ p = path_vardir_append(mem_ctx, argv[0]);
+ if (p == NULL) {
+ D_ERR("Memory allocation error\n");
+ return 1;
+ }
+
+ printf("%s\n", p);
+
+ return 0;
+}
+
+struct cmdline_command path_commands[] = {
+ { "config", path_tool_config,
+ "Get path of CTDB config file", NULL },
+ { "pidfile", path_tool_pidfile,
+ "Get path of CTDB daemon pidfile", "<daemon>" },
+ { "socket", path_tool_socket,
+ "Get path of CTDB daemon socket", "<daemon>" },
+ { "datadir append", path_tool_datadir_append,
+ "Get path relative to CTDB DATADIR", "<path>" },
+ { "datadir", path_tool_datadir,
+ "Get path of CTDB DATADIR", NULL },
+ { "etcdir append", path_tool_etcdir_append,
+ "Get path relative to CTDB ETCDIR", "<path>" },
+ { "etcdir", path_tool_etcdir,
+ "Get path of CTDB ETCDIR", NULL },
+ { "rundir append", path_tool_rundir_append,
+ "Get path relative to CTDB RUNDIR", "<path>" },
+ { "rundir", path_tool_rundir,
+ "Get path of CTDB RUNDIR", NULL },
+ { "vardir append", path_tool_vardir_append,
+ "Get path relative to CTDB VARDIR", "<path>" },
+ { "vardir", path_tool_vardir,
+ "Get path of CTDB VARDIR", NULL },
+ CMDLINE_TABLEEND
+};
+
+int path_tool_init(TALLOC_CTX *mem_ctx,
+ const char *prog,
+ struct poptOption *options,
+ int argc,
+ const char **argv,
+ bool parse_options,
+ struct path_tool_context **result)
+{
+ struct path_tool_context *ctx;
+ int ret;
+
+ ctx = talloc_zero(mem_ctx, struct path_tool_context);
+ if (ctx == NULL) {
+ D_ERR("Memory allocation error\n");
+ return ENOMEM;
+ }
+
+ ret = cmdline_init(ctx,
+ prog,
+ options,
+ NULL,
+ path_commands,
+ &ctx->cmdline);
+ if (ret != 0) {
+ D_ERR("Failed to initialize cmdline, ret=%d\n", ret);
+ talloc_free(ctx);
+ return ret;
+ }
+
+ ret = cmdline_parse(ctx->cmdline, argc, argv, parse_options);
+ if (ret != 0) {
+ cmdline_usage(ctx->cmdline, NULL);
+ talloc_free(ctx);
+ return ret;
+ }
+
+ *result = ctx;
+ return 0;
+}
+
+int path_tool_run(struct path_tool_context *ctx, int *result)
+{
+ return cmdline_run(ctx->cmdline, ctx, result);
+}
+
+#ifdef CTDB_PATH_TOOL
+
+int main(int argc, const char **argv)
+{
+ TALLOC_CTX *mem_ctx;
+ struct path_tool_context *ctx;
+ int ret, result;
+
+ mem_ctx = talloc_new(NULL);
+ if (mem_ctx == NULL) {
+ fprintf(stderr, "Memory allocation error\n");
+ exit(1);
+ }
+
+ ret = path_tool_init(mem_ctx,
+ "ctdb-path",
+ NULL,
+ argc,
+ argv,
+ true,
+ &ctx);
+ if (ret != 0) {
+ talloc_free(mem_ctx);
+ exit(1);
+ }
+
+ setup_logging("ctdb-path", DEBUG_STDERR);
+ debuglevel_set(DEBUG_ERR);
+
+ ret = path_tool_run(ctx, &result);
+ if (ret != 0) {
+ result = 1;
+ }
+
+ talloc_free(mem_ctx);
+ exit(result);
+}
+
+#endif /* CTDB_PATH_TOOL */
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