int
zhashx_refresh (zhashx_t *self)
{
assert (self);
if (self->filename) {
if (zsys_file_modified (self->filename) > self->modified
&& zsys_file_stable (self->filename)) {
// Empty the hash table; code is copied from zhashx_destroy
uint index;
size_t limit = primes [self->prime_index];
for (index = 0; index < limit; index++) {
// Destroy all items in this hash bucket
item_t *cur_item = self->items [index];
while (cur_item) {
item_t *next_item = cur_item->next;
s_item_destroy (self, cur_item, true);
cur_item = next_item;
}
}
zhashx_load (self, self->filename);
}
}
return 0;
}
JNIEXPORT jint JNICALL
Java_org_zeromq_czmq_Zhashx__1_1load (JNIEnv *env, jclass c, jlong self, jstring filename)
{
char *filename_ = (char *) (*env)->GetStringUTFChars (env, filename, NULL);
jint load_ = (jint) zhashx_load ((zhashx_t *) (intptr_t) self, filename_);
(*env)->ReleaseStringUTFChars (env, filename, filename_);
return load_;
}
static int
s_self_handle_pipe (self_t *self)
{
// Get the whole message off the pipe in one go
zmsg_t *request = zmsg_recv (self->pipe);
if (!request)
return -1; // Interrupted
char *command = zmsg_popstr (request);
if (self->verbose)
zsys_info ("zauth: API command=%s", command);
if (streq (command, "ALLOW")) {
char *address = zmsg_popstr (request);
while (address) {
if (self->verbose)
zsys_info ("zauth: - whitelisting ipaddress=%s", address);
zhashx_insert (self->whitelist, address, "OK");
zstr_free (&address);
address = zmsg_popstr (request);
}
zsock_signal (self->pipe, 0);
}
else
if (streq (command, "DENY")) {
char *address = zmsg_popstr (request);
while (address) {
if (self->verbose)
zsys_info ("zauth: - blacklisting ipaddress=%s", address);
zhashx_insert (self->blacklist, address, "OK");
zstr_free (&address);
address = zmsg_popstr (request);
}
zsock_signal (self->pipe, 0);
}
else
if (streq (command, "PLAIN")) {
// Get password file and load into zhash table
// If the file doesn't exist we'll get an empty table
char *filename = zmsg_popstr (request);
zhashx_destroy (&self->passwords);
self->passwords = zhashx_new ();
if (zhashx_load (self->passwords, filename) && self->verbose)
zsys_info ("zauth: could not load file=%s", filename);
zstr_free (&filename);
zsock_signal (self->pipe, 0);
}
else
if (streq (command, "CURVE")) {
// If location is CURVE_ALLOW_ANY, allow all clients. Otherwise
// treat location as a directory that holds the certificates.
char *location = zmsg_popstr (request);
if (streq (location, CURVE_ALLOW_ANY))
self->allow_any = true;
else {
zcertstore_destroy (&self->certstore);
// FIXME: what if this fails?
self->certstore = zcertstore_new (location);
self->allow_any = false;
}
zstr_free (&location);
zsock_signal (self->pipe, 0);
}
else
if (streq (command, "GSSAPI"))
// GSSAPI authentication is not yet implemented here
zsock_signal (self->pipe, 0);
else
if (streq (command, "VERBOSE")) {
self->verbose = true;
zsock_signal (self->pipe, 0);
}
else
if (streq (command, "$TERM"))
self->terminated = true;
else {
zsys_error ("zauth: - invalid command: %s", command);
assert (false);
}
zstr_free (&command);
zmsg_destroy (&request);
return 0;
}
void
zhashx_test (int verbose)
{
printf (" * zhashx: ");
// @selftest
zhashx_t *hash = zhashx_new ();
assert (hash);
assert (zhashx_size (hash) == 0);
assert (zhashx_first (hash) == NULL);
assert (zhashx_cursor (hash) == NULL);
// Insert some items
int rc;
rc = zhashx_insert (hash, "DEADBEEF", "dead beef");
char *item = (char *) zhashx_first (hash);
assert (streq ((char *) zhashx_cursor (hash), "DEADBEEF"));
assert (streq (item, "dead beef"));
assert (rc == 0);
rc = zhashx_insert (hash, "ABADCAFE", "a bad cafe");
assert (rc == 0);
rc = zhashx_insert (hash, "C0DEDBAD", "coded bad");
assert (rc == 0);
rc = zhashx_insert (hash, "DEADF00D", "dead food");
assert (rc == 0);
assert (zhashx_size (hash) == 4);
// Look for existing items
item = (char *) zhashx_lookup (hash, "DEADBEEF");
assert (streq (item, "dead beef"));
item = (char *) zhashx_lookup (hash, "ABADCAFE");
assert (streq (item, "a bad cafe"));
item = (char *) zhashx_lookup (hash, "C0DEDBAD");
assert (streq (item, "coded bad"));
item = (char *) zhashx_lookup (hash, "DEADF00D");
assert (streq (item, "dead food"));
// Look for non-existent items
item = (char *) zhashx_lookup (hash, "foo");
assert (item == NULL);
// Try to insert duplicate items
rc = zhashx_insert (hash, "DEADBEEF", "foo");
assert (rc == -1);
item = (char *) zhashx_lookup (hash, "DEADBEEF");
assert (streq (item, "dead beef"));
// Some rename tests
// Valid rename, key is now LIVEBEEF
rc = zhashx_rename (hash, "DEADBEEF", "LIVEBEEF");
assert (rc == 0);
item = (char *) zhashx_lookup (hash, "LIVEBEEF");
assert (streq (item, "dead beef"));
// Trying to rename an unknown item to a non-existent key
rc = zhashx_rename (hash, "WHATBEEF", "NONESUCH");
assert (rc == -1);
// Trying to rename an unknown item to an existing key
rc = zhashx_rename (hash, "WHATBEEF", "LIVEBEEF");
assert (rc == -1);
item = (char *) zhashx_lookup (hash, "LIVEBEEF");
assert (streq (item, "dead beef"));
// Trying to rename an existing item to another existing item
rc = zhashx_rename (hash, "LIVEBEEF", "ABADCAFE");
assert (rc == -1);
item = (char *) zhashx_lookup (hash, "LIVEBEEF");
assert (streq (item, "dead beef"));
item = (char *) zhashx_lookup (hash, "ABADCAFE");
assert (streq (item, "a bad cafe"));
// Test keys method
zlistx_t *keys = zhashx_keys (hash);
assert (zlistx_size (keys) == 4);
zlistx_destroy (&keys);
zlistx_t *values = zhashx_values(hash);
assert (zlistx_size (values) == 4);
zlistx_destroy (&values);
// Test dup method
zhashx_t *copy = zhashx_dup (hash);
assert (zhashx_size (copy) == 4);
item = (char *) zhashx_lookup (copy, "LIVEBEEF");
assert (item);
assert (streq (item, "dead beef"));
zhashx_destroy (©);
// Test pack/unpack methods
zframe_t *frame = zhashx_pack (hash);
copy = zhashx_unpack (frame);
zframe_destroy (&frame);
assert (zhashx_size (copy) == 4);
item = (char *) zhashx_lookup (copy, "LIVEBEEF");
assert (item);
assert (streq (item, "dead beef"));
zhashx_destroy (©);
// Test save and load
zhashx_comment (hash, "This is a test file");
zhashx_comment (hash, "Created by %s", "czmq_selftest");
zhashx_save (hash, ".cache");
copy = zhashx_new ();
assert (copy);
zhashx_load (copy, ".cache");
item = (char *) zhashx_lookup (copy, "LIVEBEEF");
assert (item);
assert (streq (item, "dead beef"));
zhashx_destroy (©);
zsys_file_delete (".cache");
// Delete a item
zhashx_delete (hash, "LIVEBEEF");
item = (char *) zhashx_lookup (hash, "LIVEBEEF");
assert (item == NULL);
assert (zhashx_size (hash) == 3);
// Check that the queue is robust against random usage
struct {
char name [100];
bool exists;
} testset [200];
memset (testset, 0, sizeof (testset));
int testmax = 200, testnbr, iteration;
srandom ((unsigned) time (NULL));
for (iteration = 0; iteration < 25000; iteration++) {
testnbr = randof (testmax);
if (testset [testnbr].exists) {
item = (char *) zhashx_lookup (hash, testset [testnbr].name);
assert (item);
zhashx_delete (hash, testset [testnbr].name);
testset [testnbr].exists = false;
}
else {
sprintf (testset [testnbr].name, "%x-%x", rand (), rand ());
if (zhashx_insert (hash, testset [testnbr].name, "") == 0)
testset [testnbr].exists = true;
}
}
// Test 10K lookups
for (iteration = 0; iteration < 10000; iteration++)
item = (char *) zhashx_lookup (hash, "DEADBEEFABADCAFE");
// Destructor should be safe to call twice
zhashx_destroy (&hash);
zhashx_destroy (&hash);
assert (hash == NULL);
// Test autofree; automatically copies and frees string values
hash = zhashx_new ();
assert (hash);
zhashx_autofree (hash);
char value [255];
strcpy (value, "This is a string");
rc = zhashx_insert (hash, "key1", value);
assert (rc == 0);
strcpy (value, "Ring a ding ding");
rc = zhashx_insert (hash, "key2", value);
assert (rc == 0);
assert (streq ((char *) zhashx_lookup (hash, "key1"), "This is a string"));
assert (streq ((char *) zhashx_lookup (hash, "key2"), "Ring a ding ding"));
zhashx_destroy (&hash);
// @end
printf ("OK\n");
}
///
// Load hash table from a text file in name=value format; hash table must
// already exist. Hash values must printable strings; keys may not contain
// '=' character. Returns 0 if OK, else -1 if a file was not readable.
int QZhashx::load (const QString &filename)
{
int rv = zhashx_load (self, filename.toUtf8().data());
return rv;
}
