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