static void
server_terminate (server_t *self)
{
zactor_destroy (&self->mailbox);
zhashx_destroy (&self->streams);
zhashx_destroy (&self->services);
zhashx_destroy (&self->clients);
}
static void
server_terminate (server_t *self)
{
zactor_destroy (&self->mailbox);
zhashx_destroy (&self->streams);
zhashx_destroy (&self->services);
zhashx_destroy (&self->clients);
mlm_msgq_cfg_destroy (&self->service_queue_cfg);
}
zhashx_t *
zhashx_unpack (zframe_t *frame)
{
zhashx_t *self = zhashx_new ();
if (!self)
return NULL;
assert (frame);
if (zframe_size (frame) < 4)
return self; // Arguable...
byte *needle = zframe_data (frame);
byte *ceiling = needle + zframe_size (frame);
size_t nbr_items = ntohl (*(uint32_t *) needle);
needle += 4;
while (nbr_items && needle < ceiling) {
// Get key as string
size_t key_size = *needle++;
if (needle + key_size <= ceiling) {
char key [256];
memcpy (key, needle, key_size);
key [key_size] = 0;
needle += key_size;
// Get value as longstr
if (needle + 4 <= ceiling) {
size_t value_size = ntohl (*(uint32_t *) needle);
needle += 4;
// Be wary of malformed frames
if (needle + value_size <= ceiling) {
char *value = (char *) zmalloc (value_size + 1);
if (!value) {
zhashx_destroy (&self);
return NULL;
}
memcpy (value, needle, value_size);
value [value_size] = 0;
needle += value_size;
// Hash takes ownership of value
if (zhashx_insert (self, key, value)) {
zhashx_destroy (&self);
break;
}
}
}
}
}
// Hash will free values in destructor
if (self)
zhashx_autofree (self);
return self;
}
static void
server_terminate (server_t *self)
{
zgossip_msg_destroy (&self->message);
zlistx_destroy (&self->remotes);
zhashx_destroy (&self->tuples);
}
zhashx_t *
zhashx_dup (zhashx_t *self)
{
if (!self)
return NULL;
zhashx_t *copy = zhashx_new ();
if (copy) {
copy->destructor = self->destructor;
copy->duplicator = self->duplicator;
uint index;
size_t limit = primes [self->prime_index];
for (index = 0; index < limit; index++) {
item_t *item = self->items [index];
while (item) {
if (zhashx_insert (copy, item->key, item->value)) {
zhashx_destroy (©);
break;
}
item = item->next;
}
}
}
return copy;
}
static void
s_self_destroy (self_t **self_p)
{
assert (self_p);
if (*self_p) {
self_t *self = *self_p;
zhashx_destroy (&self->passwords);
zhashx_destroy (&self->whitelist);
zhashx_destroy (&self->blacklist);
zcertstore_destroy (&self->certstore);
zpoller_destroy (&self->poller);
if (self->handler) {
zsock_unbind (self->handler, ZAP_ENDPOINT);
zsock_destroy (&self->handler);
}
free (self);
*self_p = NULL;
}
}
void
zcertstore_destroy (zcertstore_t **self_p)
{
assert (self_p);
if (*self_p) {
zcertstore_t *self = *self_p;
zhashx_destroy (&self->certs);
free (self->location);
free (self);
*self_p = NULL;
}
}
static void
server_terminate (server_t *self)
{
zgossip_msg_destroy (&self->message);
zlistx_destroy (&self->remotes);
zhashx_destroy (&self->tuples);
zstr_free (&self->public_key);
zstr_free (&self->secret_key);
#ifdef CZMQ_BUILD_DRAFT_API
// DRAFT-API: Security
zstr_free (&self->zap_domain);
#endif
}
void
zcertstore_destroy (zcertstore_t **self_p)
{
assert (self_p);
if (*self_p) {
zcertstore_t *self = *self_p;
zhashx_destroy (&self->certs);
if (self->destructor)
self->destructor (&self->state);
freen (self);
*self_p = NULL;
}
}
void
zgtask_tree_destroy (zgtask_tree_t **self_p)
{
assert (self_p);
if (*self_p) {
zgtask_tree_t *self = *self_p;
// Free class properties
free (self->name);
zgtask_tree_destroy (&self->child);
zgtask_tree_destroy (&self->brother);
// Cleaning net
zgtask_net_t *net = zgtask_tree_get_net (self);
if (net) {
zgtask_net_destroy (&net);
zhashx_delete (self->data, "net");
}
// Cleaning task
zgtask_task_t *task = zgtask_tree_get_task (self);
if (task) {
zgtask_task_destroy (&task);
zhashx_delete (self->data, "task");
}
// Cleaning packet
zgtask_packet_t *packet = zgtask_tree_get_packet (self);
if (packet) {
zgtask_packet_destroy (&packet);
zhashx_delete (self->data, "packet");
}
// Destroying data table
zhashx_destroy (&self->data);
// Free object itself
free (self);
*self_p = NULL;
}
}
zhashx_t *
zhashx_new (void)
{
zhashx_t *self = (zhashx_t *) zmalloc (sizeof (zhashx_t));
if (self) {
self->prime_index = INITIAL_PRIME;
self->chain_limit = INITIAL_CHAIN;
size_t limit = primes [self->prime_index];
self->items = (item_t **) zmalloc (sizeof (item_t *) * limit);
if (self->items) {
self->hasher = s_bernstein_hash;
self->key_destructor = (czmq_destructor *) zstr_free;
self->key_duplicator = (czmq_duplicator *) strdup;
self->key_comparator = (czmq_comparator *) strcmp;
}
else
zhashx_destroy (&self);
}
return self;
}
JNIEXPORT void JNICALL
Java_org_zeromq_czmq_Zhashx__1_1destroy (JNIEnv *env, jclass c, jlong self)
{
zhashx_destroy ((zhashx_t **) &self);
}
static void
server_terminate (server_t *self)
{
s_service_destroy (&self->xrap);
zhashx_destroy (&self->clients);
}
void
ztrie_test (bool verbose)
{
printf (" * ztrie: ");
// @selftest
// Create a new trie for matching strings that can be tokenized by a slash
// (e.g. URLs minus the protocol, address and port).
ztrie_t *self = ztrie_new ('/');
assert (self);
int ret = 0;
// Let's start by inserting a couple of routes into the trie.
// This one is for the route '/foo/bar' the slash at the beginning of the
// route is important because everything before the first delimiter will be
// discarded. A slash at the end of a route is optional though. The data
// associated with this node is passed without destroy function which means
// it must be destroyed by the caller.
int foo_bar_data = 10;
ret = ztrie_insert_route (self, "/foo/bar", &foo_bar_data, NULL);
assert (ret == 0);
// Now suppose we like to match all routes with two tokens that start with
// '/foo/' but aren't '/foo/bar'. This is possible by using regular
// expressions which are enclosed in an opening and closing curly bracket.
// Tokens that contain regular expressions are always match after string
// based tokens.
// Note: There is no order in which regular expressions are sorted thus
// if you enter multiple expressions for a route you will have to make
// sure they don't have overlapping results. For example '/foo/{[^/]+}'
// and '/foo/{\d+} having could turn out badly.
int foo_other_data = 100;
ret = ztrie_insert_route (self, "/foo/{[^/]+}", &foo_other_data, NULL);
assert (ret == 0);
// Regular expression are only matched against tokens of the same level.
// This allows us to append to are route with a regular expression as if
// it were a string.
ret = ztrie_insert_route (self, "/foo/{[^/]+}/gulp", NULL, NULL);
assert (ret == 0);
// Routes are identified by their endpoint, which is the last token of the route.
// It is possible to insert routes for a node that already exists but isn't an
// endpoint yet. The delimiter at the end of a route is optional and has no effect.
ret = ztrie_insert_route (self, "/foo/", NULL, NULL);
assert (ret == 0);
// If you try to insert a route which already exists the method will return -1.
ret = ztrie_insert_route (self, "/foo", NULL, NULL);
assert (ret == -1);
// It is not allowed to insert routes with empty tokens.
ret = ztrie_insert_route (self, "//foo", NULL, NULL);
assert (ret == -1);
// Everything before the first delimiter is ignored so 'foo/bar/baz' is equivalent
// to '/bar/baz'.
ret = ztrie_insert_route (self, "foo/bar/baz", NULL, NULL);
assert (ret == 0);
ret = ztrie_insert_route (self, "/bar/baz", NULL, NULL);
assert (ret == -1);
// Of course you are allowed to remove routes, in case there is data associated with a
// route and a destroy data function has been supplied that data will be destroyed.
ret = ztrie_remove_route (self, "/foo");
assert (ret == 0);
// Removing a non existent route will as well return -1.
ret = ztrie_remove_route (self, "/foo");
assert (ret == -1);
// Removing a route with a regular expression must exactly match the entered one.
ret = ztrie_remove_route (self, "/foo/{[^/]+}");
assert (ret == 0);
// Next we like to match a path by regular expressions and also extract matched
// parts of a route. This can be done by naming the regular expression. The name of a
// regular expression is entered at the beginning of the curly brackets and separated
// by a colon from the regular expression. The first one in this examples is named
// 'name' and names the expression '[^/]'. If there is no capturing group defined in
// the expression the whole matched string will be associated with this parameter. In
// case you don't like the get the whole matched string use a capturing group, like
// it has been done for the 'id' parameter. This is nice but you can even match as
// many parameter for a token as you like. Therefore simply put the parameter names
// separated by colons in front of the regular expression and make sure to add a
// capturing group for each parameter. The first parameter will be associated with
// the first capturing and so on.
char *data = (char *) malloc (80);
sprintf (data, "%s", "Hello World!");
ret = ztrie_insert_route (self, "/baz/{name:[^/]+}/{id:--(\\d+)}/{street:nr:(\\a+)(\\d+)}", data, NULL);
assert (ret == 0);
// There is a lot you can do with regular expression but matching routes
// of arbitrary length wont work. Therefore we make use of the asterisk
// operator. Just place it at the end of your route, e.g. '/config/bar/*'.
ret = ztrie_insert_route (self, "/config/bar/*", NULL, NULL);
assert (ret == 0);
// Appending to an asterisk as you would to with a regular expression
// isn't valid.
ret = ztrie_insert_route (self, "/config/bar/*/bar", NULL, NULL);
assert (ret == -1);
// The asterisk operator will only work as a leaf in the tree. If you
// enter an asterisk in the middle of your route it will simply be
// interpreted as a string.
ret = ztrie_insert_route (self, "/test/*/bar", NULL, NULL);
assert (ret == 0);
// If a parent has an asterisk as child it is not allowed to have
// other siblings.
ret = ztrie_insert_route (self, "/config/bar/foo/glup", NULL, NULL);
assert (ret != 0);
// Test matches
bool hasMatch = false;
// The route '/bar/foo' will fail to match as this route has never been inserted.
hasMatch = ztrie_matches (self, "/bar/foo");
assert (!hasMatch);
// The route '/foo/bar' will match and we can obtain the data associated with it.
hasMatch = ztrie_matches (self, "/foo/bar");
assert (hasMatch);
int foo_bar_hit_data = *((int *) ztrie_hit_data (self));
assert (foo_bar_data == foo_bar_hit_data);
// This route is part of another but is no endpoint itself thus the matches will fail.
hasMatch = ztrie_matches (self, "/baz/blub");
assert (!hasMatch);
// This route will match our named regular expressions route. Thus we can extract data
// from the route by their names.
hasMatch = ztrie_matches (self, "/baz/blub/--11/abc23");
assert (hasMatch);
char *match_data = (char *) ztrie_hit_data (self);
assert (streq ("Hello World!", match_data));
zhashx_t *parameters = ztrie_hit_parameters (self);
assert (zhashx_size (parameters) == 4);
assert (streq ("blub", (char *) zhashx_lookup (parameters, "name")));
assert (streq ("11", (char *) zhashx_lookup (parameters, "id")));
assert (streq ("abc", (char *) zhashx_lookup (parameters, "street")));
assert (streq ("23", (char *) zhashx_lookup (parameters, "nr")));
zhashx_destroy (¶meters);
// This will match our asterisk route '/config/bar/*'. As the result we
// can obtain the asterisk matched part of the route.
hasMatch = ztrie_matches (self, "/config/bar/foo/bar");
assert (hasMatch);
assert (streq (ztrie_hit_asterisk_match (self), "foo/bar"));
zstr_free (&data);
ztrie_destroy (&self);
// @end
printf ("OK\n");
}
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");
}
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;
}
///
// Destroy a hash container and all items in it
QZhashx::~QZhashx ()
{
zhashx_destroy (&self);
}