int
cib_process_diff(const char *op, int options, const char *section, xmlNode * req, xmlNode * input,
xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer)
{
const char *originator = NULL;
if (req != NULL) {
originator = crm_element_value(req, F_ORIG);
}
crm_trace("Processing \"%s\" event from %s %s",
op, originator, is_set(options, cib_force_diff)?"(global update)":"");
free_xml(*result_cib);
*result_cib = copy_xml(existing_cib);
return xml_apply_patchset(*result_cib, input, TRUE);
}
int
main(int argc, char **argv)
{
gboolean apply = FALSE;
gboolean raw_1 = FALSE;
gboolean raw_2 = FALSE;
gboolean use_stdin = FALSE;
gboolean as_cib = FALSE;
int argerr = 0;
int flag;
xmlNode *object_1 = NULL;
xmlNode *object_2 = NULL;
xmlNode *output = NULL;
const char *xml_file_1 = NULL;
const char *xml_file_2 = NULL;
int option_index = 0;
crm_log_cli_init("crm_diff");
crm_set_options(NULL, "original_xml operation [options]", long_options,
"A utility for comparing Pacemaker configurations (XML format)\n\n"
"The tool produces a custom (diff-like) output which it can also apply like a patch\n");
if (argc < 2) {
crm_help('?', EX_USAGE);
}
while (1) {
flag = crm_get_option(argc, argv, &option_index);
if (flag == -1)
break;
switch (flag) {
case 'o':
xml_file_1 = optarg;
break;
case 'O':
xml_file_1 = optarg;
raw_1 = TRUE;
break;
case 'n':
xml_file_2 = optarg;
break;
case 'N':
xml_file_2 = optarg;
raw_2 = TRUE;
break;
case 'p':
xml_file_2 = optarg;
apply = TRUE;
break;
case 's':
use_stdin = TRUE;
break;
case 'c':
as_cib = TRUE;
break;
case 'V':
crm_bump_log_level(argc, argv);
break;
case '?':
case '$':
crm_help(flag, EX_OK);
break;
default:
printf("Argument code 0%o (%c)" " is not (?yet?) supported\n", flag, flag);
++argerr;
break;
}
}
if (optind < argc) {
printf("non-option ARGV-elements: ");
while (optind < argc)
printf("%s ", argv[optind++]);
printf("\n");
}
if (optind > argc) {
++argerr;
}
if (argerr) {
crm_help('?', EX_USAGE);
}
if (raw_1) {
object_1 = string2xml(xml_file_1);
} else if (use_stdin) {
fprintf(stderr, "Input first XML fragment:");
object_1 = stdin2xml();
} else if (xml_file_1 != NULL) {
object_1 = filename2xml(xml_file_1);
}
if (raw_2) {
object_2 = string2xml(xml_file_2);
} else if (use_stdin) {
fprintf(stderr, "Input second XML fragment:");
object_2 = stdin2xml();
} else if (xml_file_2 != NULL) {
object_2 = filename2xml(xml_file_2);
}
if (object_1 == NULL) {
fprintf(stderr, "Could not parse the first XML fragment\n");
return 1;
}
if (object_2 == NULL) {
fprintf(stderr, "Could not parse the second XML fragment\n");
return 1;
}
if (apply) {
int rc;
output = copy_xml(object_1);
rc = xml_apply_patchset(output, object_2, as_cib);
if(rc != pcmk_ok) {
fprintf(stderr, "Could not apply patch: %s\n", pcmk_strerror(rc));
return rc;
}
} else {
xml_track_changes(object_2, NULL, object_2, FALSE);
xml_calculate_changes(object_1, object_2);
crm_log_xml_debug(object_2, xml_file_2?xml_file_2:"target");
output = xml_create_patchset(0, object_1, object_2, NULL, FALSE, as_cib);
if(as_cib && output) {
int add[] = { 0, 0, 0 };
int del[] = { 0, 0, 0 };
const char *fmt = NULL;
const char *digest = NULL;
xml_patch_versions(output, add, del);
fmt = crm_element_value(output, "format");
digest = crm_element_value(output, XML_ATTR_DIGEST);
if (add[2] != del[2] || add[1] != del[1] || add[0] != del[0]) {
crm_info("Patch: --- %d.%d.%d %s", del[0], del[1], del[2], fmt);
crm_info("Patch: +++ %d.%d.%d %s", add[0], add[1], add[2], digest);
}
}
xml_log_changes(LOG_INFO, __FUNCTION__, object_2);
xml_log_patchset(LOG_NOTICE, __FUNCTION__, output);
}
if (output != NULL) {
char *buffer = dump_xml_formatted(output);
fprintf(stdout, "%s\n", crm_str(buffer));
free(buffer);
fflush(stdout);
if (apply) {
const char *version = crm_element_value(output, XML_ATTR_CRM_VERSION);
buffer = calculate_xml_versioned_digest(output, FALSE, TRUE, version);
crm_trace("Digest: %s\n", crm_str(buffer));
free(buffer);
}
}
free_xml(object_1);
free_xml(object_2);
free_xml(output);
if (apply == FALSE && output != NULL) {
return 1;
}
return 0;
}
