Manpages - lo_types.h.3

#define LO_DISABLE 0
Disable a boolean option.

#define LO_ENABLE 1
Enable a boolean option.

typedef void * lo_address
A reference to an OSC service.

typedef void * lo_blob
A object to store an opaque binary data object.

typedef void * lo_message
A low-level object used to represent messages passed over OSC.

typedef void * lo_bundle
A low-level object used to represent bundles of messages passed over OSC.

typedef void * lo_method
An object representing an method on a server.

typedef void * lo_server
An object representing an instance of an OSC server.

typedef void * lo_server_thread
An object representing a thread containing an OSC server.

typedef void(* lo_err_handler) (int num, const char *msg, const char *where)
A callback function to receive notification of an error in a server or server thread.

typedef int(* lo_method_handler) (const char path, const char *types, *lo_arg *argv, int argc, *lo_message msg, void *user_data)
A callback function to receive notification of matching message arriving in the server or server thread.

typedef int(* lo_bundle_start_handler) (lo_timetag time, void *user_data)
A callback function to receive notification of a bundle being dispatched by the server or server thread.

typedef int(* lo_bundle_end_handler) (void *user_data)
A callback function to receive notification of a bundle dispatch being completed by the server or server thread.

typedef int(* lo_server_thread_init_callback) (lo_server_thread s, void *user_data)
A callback function to perform initialization when the server thread is started.

typedef void(* lo_server_thread_cleanup_callback) (lo_server_thread s, void *user_data)
A callback function to perform cleanup when the server thread is started.

Disable a boolean option.

Definition at line 37 of file lo_types.h.

Enable a boolean option.

Definition at line 38 of file lo_types.h.

A reference to an OSC service. Created by calls to lo_address_new() or lo_address_new_from_url().

Definition at line 45 of file lo_types.h.

A object to store an opaque binary data object. Can be passed over OSC using the ’b’ type. Created by calls to lo_blob_new().

Definition at line 52 of file lo_types.h.

A low-level object used to represent bundles of messages passed over OSC. Created by calls to lo_bundle_new(), messages can be added with calls to lo_bundle_add_message().

Definition at line 69 of file lo_types.h.

A callback function to receive notification of a bundle dispatch being completed by the server or server thread. If installed with lo_server_add_bundle_handlers, this callback will be called after all the messages of a bundle have been dispatched with user_data set to the user_data parameter passed to lo_server_add_bundle_handlers.

Definition at line 166 of file lo_types.h.

*user_data) A callback function to receive notification of a bundle being dispatched by the server or server thread. This callback allows applications to be aware of incoming bundles and preserve ordering and atomicity of messages in bundles.

If installed with lo_server_add_bundle_handlers, this callback will be called with time set to the time tag of the bundle, and user_data set to the user_data parameter passed to lo_server_add_bundle_handlers.

Note that bundles may be nested, in which case calls to the bundle start and end handlers will also be nested. The application can keep track of nested bundles in a stack-like manner by treating the start handler as ’push’ and the end handler as ’pop’. For example, a bundle containing two bundles would fire 6 callbacks: begin, begin, end, begin, end, end.

Definition at line 155 of file lo_types.h.

*where) A callback function to receive notification of an error in a server or server thread. On callback the parameters will be set to the following values:

Parameters

num An error number that can be used to identify this condition.
msg An error message describing the condidtion.
where A string describing the place the error occured - typically either a function call or method path.

Definition at line 105 of file lo_types.h.

A low-level object used to represent messages passed over OSC. Created by calls to lo_message_new(), arguments can be added with calls to lo_message_add_*().

Definition at line 60 of file lo_types.h.

An object representing an method on a server. Returned by calls to lo_server_thread_add_method() and lo_server_add_method().

Definition at line 77 of file lo_types.h.

types, *lo_arg *argv, int argc, *lo_message msg, void *user_data) A callback function to receive notification of matching message arriving in the server or server thread. The return value tells the method dispatcher whether this handler has dealt with the message correctly: a return value of 0 indicates that it has been handled, and it should not attempt to pass it on to any other handlers, non-0 means that it has not been handled and the dispatcher will attempt to find more handlers that match the path and types of the incoming message.

On callback the paramters will be set to the following values:

Parameters

path That path that the incoming message was sent to
types If you specided types in your method creation call then this will match those and the incoming types will have been coerced to match, otherwise it will be the types of the arguments of the incoming message.
argv An array of lo_arg types containing the values, e.g. if the first argument of the incoming message is of type ’f’ then the value will be found in argv[0]->f.
argc The number of arguments received.
msg A structure containing the original raw message as received. No type coercion will have occured and the data will be in OSC byte order (bigendian).
user_data This contains the user_data value passed in the call to lo_server_thread_add_method.

Definition at line 134 of file lo_types.h.

An object representing an instance of an OSC server. Created by calls to lo_server_new(). If you wish to have the server operate in a background thread, use lo_server_thread instead.

Definition at line 85 of file lo_types.h.

An object representing a thread containing an OSC server. Created by calls to lo_server_thread_new().

Definition at line 92 of file lo_types.h.

s, void *user_data) A callback function to perform cleanup when the server thread is started. If installed with lo_server_thread_set_callbacks, this callback will be called in the server thread, after the server have stopped listening and processing events, before it quits. user_data is set to the user_data parameter passed to lo_server_thread_add_functions.

Definition at line 192 of file lo_types.h.

void *user_data) A callback function to perform initialization when the server thread is started. If installed with lo_server_thread_set_callbacks, this callback will be called in the server thread, just before the server starts listening for events. user_data is set to the user_data parameter passed to lo_server_thread_add_functions.

If the return value is non-zero, the thread start will be aborted.

Definition at line 179 of file lo_types.h.