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; }