static int _report(struct cmd_context *cmd, int argc, char **argv, report_type_t report_type) { void *report_handle; const char *opts; char *str; const char *keys = NULL, *options = NULL, *separator; int r = ECMD_PROCESSED; int aligned, buffered, headings; unsigned args_are_pvs; aligned = find_config_tree_int(cmd, "report/aligned", DEFAULT_REP_ALIGNED); buffered = find_config_tree_int(cmd, "report/buffered", DEFAULT_REP_BUFFERED); headings = find_config_tree_int(cmd, "report/headings", DEFAULT_REP_HEADINGS); separator = find_config_tree_str(cmd, "report/separator", DEFAULT_REP_SEPARATOR); args_are_pvs = (report_type == PVS || report_type == PVSEGS) ? 1 : 0; switch (report_type) { case LVS: keys = find_config_tree_str(cmd, "report/lvs_sort", DEFAULT_LVS_SORT); if (!arg_count(cmd, verbose_ARG)) options = find_config_tree_str(cmd, "report/lvs_cols", DEFAULT_LVS_COLS); else options = find_config_tree_str(cmd, "report/lvs_cols_verbose", DEFAULT_LVS_COLS_VERB); break; case VGS: keys = find_config_tree_str(cmd, "report/vgs_sort", DEFAULT_VGS_SORT); if (!arg_count(cmd, verbose_ARG)) options = find_config_tree_str(cmd, "report/vgs_cols", DEFAULT_VGS_COLS); else options = find_config_tree_str(cmd, "report/vgs_cols_verbose", DEFAULT_VGS_COLS_VERB); break; case PVS: keys = find_config_tree_str(cmd, "report/pvs_sort", DEFAULT_PVS_SORT); if (!arg_count(cmd, verbose_ARG)) options = find_config_tree_str(cmd, "report/pvs_cols", DEFAULT_PVS_COLS); else options = find_config_tree_str(cmd, "report/pvs_cols_verbose", DEFAULT_PVS_COLS_VERB); break; case SEGS: keys = find_config_tree_str(cmd, "report/segs_sort", DEFAULT_SEGS_SORT); if (!arg_count(cmd, verbose_ARG)) options = find_config_tree_str(cmd, "report/segs_cols", DEFAULT_SEGS_COLS); else options = find_config_tree_str(cmd, "report/segs_cols_verbose", DEFAULT_SEGS_COLS_VERB); break; case PVSEGS: keys = find_config_tree_str(cmd, "report/pvsegs_sort", DEFAULT_PVSEGS_SORT); if (!arg_count(cmd, verbose_ARG)) options = find_config_tree_str(cmd, "report/pvsegs_cols", DEFAULT_PVSEGS_COLS); else options = find_config_tree_str(cmd, "report/pvsegs_cols_verbose", DEFAULT_PVSEGS_COLS_VERB); break; } /* If -o supplied use it, else use default for report_type */ if (arg_count(cmd, options_ARG)) { opts = arg_str_value(cmd, options_ARG, ""); if (!opts || !*opts) { log_error("Invalid options string: %s", opts); return 0; } if (*opts == '+') { if (!(str = dm_pool_alloc(cmd->mem, strlen(options) + strlen(opts) + 1))) { log_error("options string allocation failed"); return 0; } strcpy(str, options); strcat(str, ","); strcat(str, opts + 1); options = str; } else options = opts; } /* -O overrides default sort settings */ if (arg_count(cmd, sort_ARG)) keys = arg_str_value(cmd, sort_ARG, ""); if (arg_count(cmd, separator_ARG)) separator = arg_str_value(cmd, separator_ARG, " "); if (arg_count(cmd, separator_ARG)) aligned = 0; if (arg_count(cmd, aligned_ARG)) aligned = 1; if (arg_count(cmd, unbuffered_ARG) && !arg_count(cmd, sort_ARG)) buffered = 0; if (arg_count(cmd, noheadings_ARG)) headings = 0; if (!(report_handle = report_init(cmd, options, keys, &report_type, separator, aligned, buffered, headings))) return_0; /* Ensure options selected are compatible */ if (report_type & SEGS) report_type |= LVS; if (report_type & PVSEGS) report_type |= PVS; if ((report_type & LVS) && (report_type & PVS)) { log_error("Can't report LV and PV fields at the same time"); dm_report_free(report_handle); return 0; } /* Change report type if fields specified makes this necessary */ if (report_type & SEGS) report_type = SEGS; else if (report_type & LVS) report_type = LVS; else if (report_type & PVSEGS) report_type = PVSEGS; else if (report_type & PVS) report_type = PVS; switch (report_type) { case LVS: r = process_each_lv(cmd, argc, argv, LCK_VG_READ, report_handle, &_lvs_single); break; case VGS: r = process_each_vg(cmd, argc, argv, LCK_VG_READ, 0, report_handle, &_vgs_single); break; case PVS: if (args_are_pvs) r = process_each_pv(cmd, argc, argv, NULL, report_handle, &_pvs_single); else r = process_each_vg(cmd, argc, argv, LCK_VG_READ, 0, report_handle, &_pvs_in_vg); break; case SEGS: r = process_each_lv(cmd, argc, argv, LCK_VG_READ, report_handle, &_lvsegs_single); break; case PVSEGS: if (args_are_pvs) r = process_each_pv(cmd, argc, argv, NULL, report_handle, &_pvsegs_single); else r = process_each_vg(cmd, argc, argv, LCK_VG_READ, 0, report_handle, &_pvsegs_in_vg); break; } dm_report_output(report_handle); dm_report_free(report_handle); return r; }
int lvm_shell(struct cmd_context *cmd, struct cmdline_context *cmdline) { int argc, ret; char *input = NULL, *args[MAX_ARGS], **argv; rl_readline_name = "lvm"; rl_attempted_completion_function = (rl_completion_func_t *) _completion; _read_history(cmd); _cmdline = cmdline; cmd->is_interactive = 1; while (1) { free(input); input = readline("lvm> "); /* EOF */ if (!input) { /* readline sends prompt to stdout */ printf("\n"); break; } /* empty line */ if (!*input) continue; add_history(input); argv = args; if (lvm_split(input, &argc, argv, MAX_ARGS) == MAX_ARGS) { log_error("Too many arguments, sorry."); continue; } if (!argc) continue; if (!strcmp(argv[0], "lvm")) { argv++; argc--; } if (!argc) continue; if (!strcmp(argv[0], "quit") || !strcmp(argv[0], "exit")) { remove_history(history_length - 1); log_error("Exiting."); break; } if (cmd->log_rh && strcmp(argv[0], "lastlog")) { /* drop old log report */ dm_report_free(cmd->log_rh); cmd->log_rh = NULL; } ret = lvm_run_command(cmd, argc, argv); if (ret == ENO_SUCH_CMD) log_error("No such command '%s'. Try 'help'.", argv[0]); if ((ret != ECMD_PROCESSED) && !error_message_produced()) { log_debug(INTERNAL_ERROR "Failed command did not use log_error"); log_error("Command failed with status code %d.", ret); } _write_history(); } cmd->is_interactive = 0; free(input); return 0; }