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add -check

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This commit is contained in:
David Rose 2003-02-04 22:40:35 +00:00
parent 84820396a5
commit 162f3ab06c
2 changed files with 57 additions and 17 deletions
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72
pandaapp/src/httpbackup/httpBackup.cxx
View File

@ -31,6 +31,7 @@ HTTPBackup::
HTTPBackup() {
clear_runlines();
add_runline("[opts] url");
add_runline("-check <days> url");
set_program_description
("This program is designed to run periodically as a "
@ -118,6 +119,14 @@ HTTPBackup() {
"deleting versions older than -maxage. The default is 1.",
&HTTPBackup::dispatch_int, NULL, &_min_keep_versions);
add_option
("check", "days", 0,
"Instead of downloading any document, check the date of the most recent "
"document downloaded. Returns success if that date is no more than the "
"indicated number of days old (which may be a floating-point number), "
"or failure otherwise.",
&HTTPBackup::dispatch_double, &_got_check_days, &_check_days);
_dirname = ".";
_catalog_name = "Catalog";
_version_append = ".%Y-%m-%d.%H-%M";
@ -138,6 +147,12 @@ HTTPBackup() {
////////////////////////////////////////////////////////////////////
bool HTTPBackup::
handle_args(ProgramBase::Args &args) {
if (_got_check_days && !_document_name.empty() && args.empty()) {
// If -check and -n are both specified, we don't really need to
// specify an URL. Accept it if we don't.
return true;
}
if (args.size() != 1) {
nout <<
"You must specify the URL of the document to download "
@ -250,25 +265,48 @@ run() {
}
}
// Now try to fetch the document.
if (!fetch_latest()) {
nout << "Errors while processing latest.\n";
exit(1);
}
if (!cleanup_old()) {
nout << "Errors while cleaning up old versions.\n";
// We don't bother to exit the program in this case.
}
if (_catalog._dirty) {
// Now write out the modified catalog.
nout << "Writing " << _catalog_name << "\n";
_catalog_name.make_dir();
if (!_catalog.write(_catalog_name)) {
nout << "Unable to rewrite " << _catalog_name << ".\n";
if (_got_check_days) {
// We're only checking the date of the latest download.
BackupCatalog::Entries &entries = _catalog._table[_document_name];
if (entries.empty()) {
nout << "No previous downloads for " << _document_name << ".\n";
exit(1);
}
BackupCatalog::Entry *latest = entries[entries.size() - 1];
int diff_secs = _now - latest->get_date();
double diff_days = (double)diff_secs / (double)seconds_per_day;
nout << "Most recent at " << latest->get_date().get_string()
<< ", " << diff_days << " days old.\n";
if (diff_days <= _check_days) {
nout << "OK.\n";
} else {
nout << "Too old!\n";
exit(1);
}
} else {
// Try to do the download.
// Now try to fetch the document.
if (!fetch_latest()) {
nout << "Errors while processing latest.\n";
exit(1);
}
if (!cleanup_old()) {
nout << "Errors while cleaning up old versions.\n";
// We don't bother to exit the program in this case.
}
if (_catalog._dirty) {
// Now write out the modified catalog.
nout << "Writing " << _catalog_name << "\n";
_catalog_name.make_dir();
if (!_catalog.write(_catalog_name)) {
nout << "Unable to rewrite " << _catalog_name << ".\n";
exit(1);
}
}
}
}

2
pandaapp/src/httpbackup/httpBackup.h
View File

@ -74,6 +74,8 @@ private:
int _max_keep_versions;
bool _got_max_keep_versions;
int _min_keep_versions;
double _check_days;
bool _got_check_days;
HTTPDate _max_keep_date;
HTTPDate _min_keep_date;