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;
}
