void *
zfl_device_socket (
zfl_device_t *self,
char *device_name,
char *socket_name,
int socket_type)
{
assert (self);
assert (device_name);
assert (strneq (device_name, "context"));
zfl_config_t *config = zfl_config_locate (self->config, device_name);
if (!config)
return NULL; // No such device
void *socket = zmq_socket (self->context, socket_type);
if (!socket)
return NULL; // Can't create socket
if (zfl_device_verbose (self))
printf ("I: Configuring '%s' socket in '%s' device...\n",
socket_name, device_name);
// Find socket in device
int rc = 0;
config = zfl_config_locate (config, socket_name);
if (config) {
config = zfl_config_child (config);
while (config && rc == 0) {
char *name = zfl_config_name (config);
if (streq (name, "bind"))
rc = zmq_bind (socket, zfl_config_string (config));
else
if (streq (name, "connect"))
rc = zmq_connect (socket, zfl_config_string (config));
else
if (streq (name, "option"))
rc = s_setsockopt (self, socket, config);
//
// else ignore it, user space setting
config = zfl_config_next (config);
}
}
else
if (self->verbose)
printf ("W: No property found for '%s'\n", socket_name);
if (rc) {
printf ("E: property failed - %s\n", zmq_strerror (errno));
zmq_close (socket);
socket = NULL;
}
return socket;
}
// --------------------------------------------------------------------------
// Creates a named 0MQ socket within a named device, and configures the
// socket as specified in the configuration data. Returns NULL if the
// device or socket do not exist, or if there was an error configuring the
// socket.
//
void *
zfl_config_socket (zfl_config_t *self, char *device, char *name, int type)
{
assert (self);
assert (device);
assert (strneq (device, "context"));
zfl_tree_t *tree = zfl_tree_locate (self->tree, device);
if (!tree)
return NULL; // No such device
void *socket = zmq_socket (self->context, type);
if (!socket)
return NULL; // Can't create socket
if (zfl_config_verbose (self))
printf ("I: Configuring '%s' socket in '%s' device...\n", name, device);
// Find socket in device
int rc = 0;
tree = zfl_tree_locate (tree, name);
if (tree) {
tree = zfl_tree_child (tree);
while (tree && rc == 0) {
char *name = zfl_tree_name (tree);
if (streq (name, "bind"))
rc = zmq_bind (socket, zfl_tree_string (tree));
else
if (streq (name, "connect"))
rc = zmq_connect (socket, zfl_tree_string (tree));
else
if (streq (name, "option"))
rc = s_setsockopt (self, socket, tree);
else
if (self->verbose)
printf ("W: ignoring socket setting '%s'\n", name);
tree = zfl_tree_next (tree);
}
}
else
if (self->verbose)
printf ("W: No configuration found for '%s'\n", name);
if (rc) {
printf ("E: configuration failed - %s\n", zmq_strerror (errno));
zmq_close (socket);
socket = NULL;
}
return socket;
}