mirror of
git://sourceware.org/git/lvm2.git
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125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "tools.h"
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#include "lvm2cmdline.h"
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#include "lib/label/label.h"
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#include "lib/mm/memlock.h"
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#include "tools/lvm2cmd.h"
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#include <signal.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <sys/resource.h>
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void *cmdlib_lvm2_init(unsigned static_compile)
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{
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struct cmd_context *cmd;
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init_is_static(static_compile);
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if (!(cmd = init_lvm(1, 1)))
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return NULL;
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if (!lvm_register_commands(cmd, NULL))
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return NULL;
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return (void *) cmd;
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}
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int lvm2_run(void *handle, const char *cmdline)
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{
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int argc, ret, oneoff = 0;
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char *args[MAX_ARGS], **argv, *cmdcopy = NULL;
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struct cmd_context *cmd;
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argv = args;
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if (!handle) {
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oneoff = 1;
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if (!(handle = lvm2_init())) {
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log_error("Handle initialisation failed.");
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return ECMD_FAILED;
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}
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}
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cmd = (struct cmd_context *) handle;
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cmd->argv = argv;
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if (!(cmdcopy = strdup(cmdline))) {
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log_error("Cmdline copy failed.");
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ret = ECMD_FAILED;
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goto out;
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}
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if (lvm_split(cmdcopy, &argc, argv, MAX_ARGS) == MAX_ARGS) {
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log_error("Too many arguments. Limit is %d.", MAX_ARGS);
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ret = EINVALID_CMD_LINE;
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goto out;
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}
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if (!argc) {
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log_error("No command supplied");
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ret = EINVALID_CMD_LINE;
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goto out;
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}
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/* FIXME Temporary - move to libdevmapper */
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ret = ECMD_PROCESSED;
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if (!strcmp(cmdline, "_memlock_inc")) {
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memlock_inc_daemon(cmd);
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} else if (!strcmp(cmdline, "_memlock_dec"))
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memlock_dec_daemon(cmd);
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else if (!strcmp(cmdline, "_dmeventd_thin_command")) {
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if (setenv(cmdline, find_config_tree_str(cmd, dmeventd_thin_command_CFG, NULL), 1))
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ret = ECMD_FAILED;
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} else
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ret = lvm_run_command(cmd, argc, argv);
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out:
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free(cmdcopy);
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if (oneoff)
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lvm2_exit(handle);
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return ret;
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}
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void lvm2_disable_dmeventd_monitoring(void *handle)
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{
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init_run_by_dmeventd((struct cmd_context *) handle);
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}
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void lvm2_log_level(void *handle, int level)
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{
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struct cmd_context *cmd = (struct cmd_context *) handle;
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cmd->default_settings.verbose = level - VERBOSE_BASE_LEVEL;
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}
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void lvm2_log_fn(lvm2_log_fn_t log_fn)
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{
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init_log_fn(log_fn);
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}
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void lvm2_exit(void *handle)
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{
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struct cmd_context *cmd = (struct cmd_context *) handle;
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lvm_fin(cmd);
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}
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