static void
client_destroy (client_t **self_p)
{
assert (self_p);
if (*self_p) {
client_t *self = *self_p;
fmq_config_destroy (&self->config);
fmq_msg_destroy (&self->request);
fmq_msg_destroy (&self->reply);
// Destroy subscriptions
while (zlist_size (self->subs)) {
sub_t *sub = (sub_t *) zlist_pop (self->subs);
sub_destroy (&sub);
}
zlist_destroy (&self->subs);
free (self);
*self_p = NULL;
}
}
static void
client_destroy (client_t **self_p)
{
assert (self_p);
if (*self_p) {
client_t *self = *self_p;
fmq_config_destroy (&self->config);
int server_nbr;
for (server_nbr = 0; server_nbr < self->nbr_servers; server_nbr++) {
server_t *server = self->servers [server_nbr];
server_destroy (&server);
}
// Destroy subscriptions
while (zlist_size (self->subs)) {
sub_t *sub = (sub_t *) zlist_pop (self->subs);
sub_destroy (&sub);
}
zlist_destroy (&self->subs);
free (self);
*self_p = NULL;
}
}
static void
control_message (client_t *self)
{
zmsg_t *msg = zmsg_recv (self->pipe);
char *method = zmsg_popstr (msg);
if (streq (method, "SUBSCRIBE")) {
char *path = zmsg_popstr (msg);
// Store subscription along with any previous ones
// Check we don't already have a subscription for this path
sub_t *sub = (sub_t *) zlist_first (self->subs);
while (sub) {
if (streq (path, sub->path))
return;
sub = (sub_t *) zlist_next (self->subs);
}
// Subscription path must start with '/'
// We'll do better error handling later
assert (*path == '/');
// New subscription, so store it for later replay
sub = sub_new (self, path);
zlist_append (self->subs, sub);
// If we're connected, then also send to server
if (self->connected) {
fmq_msg_path_set (self->request, path);
self->next_event = subscribe_event;
}
free (path);
}
else
if (streq (method, "CONNECT")) {
char *endpoint = zmsg_popstr (msg);
client_restart (self, endpoint);
free (endpoint);
}
else
if (streq (method, "CONFIG")) {
char *config_file = zmsg_popstr (msg);
fmq_config_destroy (&self->config);
self->config = fmq_config_load (config_file);
if (self->config)
client_apply_config (self);
else {
printf ("E: cannot load config file '%s'\n", config_file);
self->config = fmq_config_new ("root", NULL);
}
free (config_file);
}
else
if (streq (method, "SETOPTION")) {
char *path = zmsg_popstr (msg);
char *value = zmsg_popstr (msg);
fmq_config_path_set (self->config, path, value);
free (path);
free (value);
}
else
if (streq (method, "STOP")) {
zstr_send (self->pipe, "OK");
self->stopped = true;
}
free (method);
zmsg_destroy (&msg);
if (self->next_event)
client_execute (self, self->next_event);
}
// Process message from pipe
static void
client_control_message (client_t *self)
{
zmsg_t *msg = zmsg_recv (self->pipe);
char *method = zmsg_popstr (msg);
if (streq (method, "SUBSCRIBE")) {
char *path = zmsg_popstr (msg);
// Store subscription along with any previous ones
// Check we don't already have a subscription for this path
self->sub = (sub_t *) zlist_first (self->subs);
while (self->sub) {
if (streq (path, self->sub->path))
return;
self->sub = (sub_t *) zlist_next (self->subs);
}
// Subscription path must start with '/'
// We'll do better error handling later
assert (*path == '/');
// New subscription, store it for later replay
char *inbox = fmq_config_resolve (self->config, "client/inbox", ".inbox");
self->sub = sub_new (self, inbox, path);
zlist_append (self->subs, self->sub);
free (path);
}
else
if (streq (method, "SET INBOX")) {
char *path = zmsg_popstr (msg);
fmq_config_path_set (self->config, "client/inbox", path);
free (path);
}
else
if (streq (method, "SET RESYNC")) {
char *enabled_string = zmsg_popstr (msg);
long enabled = atoi (enabled_string);
free (enabled_string);
// Request resynchronization from server
fmq_config_path_set (self->config, "client/resync", enabled? "1" :"0");
}
else
if (streq (method, "CONFIG")) {
char *config_file = zmsg_popstr (msg);
fmq_config_destroy (&self->config);
self->config = fmq_config_load (config_file);
if (self->config)
client_apply_config (self);
else {
printf ("E: cannot load config file '%s'\n", config_file);
self->config = fmq_config_new ("root", NULL);
}
free (config_file);
}
else
if (streq (method, "SETOPTION")) {
char *path = zmsg_popstr (msg);
char *value = zmsg_popstr (msg);
fmq_config_path_set (self->config, path, value);
client_config_self (self);
free (path);
free (value);
}
else
if (streq (method, "STOP")) {
zstr_send (self->pipe, "OK");
self->stopped = true;
}
else
if (streq (method, "CONNECT")) {
char *endpoint = zmsg_popstr (msg);
if (self->nbr_servers < MAX_SERVERS) {
server_t *server = server_new (self->ctx, endpoint);
self->servers [self->nbr_servers++] = server;
self->dirty = true;
client_server_execute (self, server, initialize_event);
}
else
printf ("E: too many server connections (max %d)\n", MAX_SERVERS);
free (endpoint);
}
free (method);
zmsg_destroy (&msg);
}