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diff --git a/liblo/lo/lo_lowlevel.h b/liblo/lo/lo_lowlevel.h new file mode 100644 index 0000000..91459c3 --- /dev/null +++ b/liblo/lo/lo_lowlevel.h @@ -0,0 +1,860 @@ +/* + * Copyright (C) 2004 Steve Harris + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * $Id$ + */ + +#ifndef LO_LOWLEVEL_H +#define LO_LOWLEVEL_H + +#include "lo/lo_osc_types.h" + +/** + * \file lo_lowlevel.h The liblo headerfile defining the low-level API + * functions. + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdarg.h> +#ifdef _MSC_VER +#define ssize_t SSIZE_T +#define uint32_t unsigned __int32 +#else +#include <stdint.h> +#endif + +#include "lo/lo_types.h" +#include "lo/lo_errors.h" + +/** + * \defgroup liblolowlevel Low-level OSC API + * + * Use these functions if you require more precise control over OSC message + * contruction or handling that what is provided in the high-level functions + * described in liblo. + * @{ + */ + +/** + * \brief Type used to represent numerical values in conversions between OSC + * types. + */ +typedef long double lo_hires; + + + + +/** + * \brief Send a lo_message object to target targ + * + * This is slightly more efficient than lo_send() if you want to send a lot of + * similar messages. The messages are constructed with the lo_message_new() and + * \ref lo_message_add_int32 "lo_message_add*()" functions. + */ +int lo_send_message(lo_address targ, const char *path, lo_message msg); + +/** + * \brief Send a lo_message object to target targ from address of serv + * + * This is slightly more efficient than lo_send() if you want to send a lot of + * similar messages. The messages are constructed with the lo_message_new() and + * \ref lo_message_add_int32 "lo_message_add*()" functions. + * + * \param targ The address to send the message to + * \param serv The server socket to send the message from + * (can be NULL to use new socket) + * \param path The path to send the message to + * \param msg The bundle itself + */ +int lo_send_message_from(lo_address targ, lo_server serv, + const char *path, lo_message msg); + +/** + * \brief Send a lo_bundle object to address targ + * + * Bundles are constructed with the + * lo_bundle_new() and lo_bundle_add_message() functions. + */ +int lo_send_bundle(lo_address targ, lo_bundle b); + +/** + * \brief Send a lo_bundle object to address targ from address of serv + * + * Bundles are constructed with the + * lo_bundle_new() and lo_bundle_add_message() functions. + * + * \param targ The address to send the bundle to + * \param serv The server socket to send the bundle from + * (can be NULL to use new socket) + * \param b The bundle itself + */ +int lo_send_bundle_from(lo_address targ, lo_server serv, lo_bundle b); + +/** + * \brief Create a new lo_message object + */ +lo_message lo_message_new(); + +/** + * \brief Free memory allocated by lo_message_new() and any subsequent + * \ref lo_message_add_int32 lo_message_add*() calls. + */ +void lo_message_free(lo_message m); + +/** + * \brief Append a number of arguments to a message. + * + * The data will be added in OSC byteorder (bigendian). + * + * \param m The message to be extended. + * \param types The types of the data items in the message, types are defined in + * lo_types_common.h + * \param ... The data values to be transmitted. The types of the arguments + * passed here must agree with the types specified in the type parameter. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add(lo_message m, const char *types, ...); + +/** \internal \brief the real message_add function (don't call directly) */ +int lo_message_add_internal(lo_message m, const char *file, const int line, + const char *types, ...); + +/** + * \brief Append a varargs list to a message. + * + * The data will be added in OSC byteorder (bigendian). + * IMPORTANT: args list must be terminated with LO_ARGS_END, or this call will + * fail. This is used to do simple error checking on the sizes of parameters + * passed. + * + * \param m The message to be extended. + * \param types The types of the data items in the message, types are defined in + * lo_types_common.h + * \param ap The va_list created by a C function declared with an + * ellipsis (...) argument, and pre-initialised with + * "va_start(ap)". The types of the arguments passed here must agree + * with the types specified in the type parameter. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_varargs(lo_message m, const char *types, va_list ap); + +/** \internal \brief the real message_add_varargs function (don't call directly) */ +int lo_message_add_varargs_internal(lo_message m, const char *types, va_list ap, + const char *file, const int line); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * + * The data will be added in OSC byteorder (bigendian). + * + * \param m The message to be extended. + * \param a The data item. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_int32(lo_message m, int32_t a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_float(lo_message m, float a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_string(lo_message m, const char *a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_blob(lo_message m, lo_blob a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_int64(lo_message m, int64_t a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_timetag(lo_message m, lo_timetag a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_double(lo_message m, double a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_symbol(lo_message m, const char *a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_char(lo_message m, char a); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_midi(lo_message m, uint8_t a[4]); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_true(lo_message m); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_false(lo_message m); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_nil(lo_message m); + +/** + * \brief Append a data item and typechar of the specified type to a message. + * See lo_message_add_int32() for details. + * + * \return Less than 0 on failure, 0 on success. + */ +int lo_message_add_infinitum(lo_message m); + +/** + * \brief Returns the source (lo_address) of an incoming message. + * + * Returns NULL if the message is outgoing. Do not free the returned address. + */ +lo_address lo_message_get_source(lo_message m); + +/** + * \brief Returns the timestamp (lo_timetag *) of a bundled incoming message. + * + * Returns LO_TT_IMMEDIATE if the message is outgoing, or did not arrive + * contained in a bundle. Do not free the returned timetag. + */ +lo_timetag lo_message_get_timestamp(lo_message m); + +/** + * \brief Return the message type tag string. + * + * The result is valid until further data is added with lo_message_add*(). + */ +char *lo_message_get_types(lo_message m); + +/** + * \brief Return the message argument count. + * + * The result is valid until further data is added with lo_message_add*(). + */ +int lo_message_get_argc(lo_message m); + +/** + * \brief Return the message arguments. Do not free the returned data. + * + * The result is valid until further data is added with lo_message_add*(). + */ +lo_arg **lo_message_get_argv(lo_message m); + +/** + * \brief Return the length of a message in bytes. + * + * \param m The message to be sized + * \param path The path the message will be sent to + */ +size_t lo_message_length(lo_message m, const char *path); + +/** + * \brief Serialise the lo_message object to an area of memory and return a + * pointer to the serialised form. Opposite of lo_message_deserialise(). + * + * \param m The message to be serialised + * \param path The path the message will be sent to + * \param to The address to serialise to, memory will be allocated if to is + * NULL. + * \param size If this pointer is non-NULL the size of the memory area + * will be written here + * + * The returned form is suitable to be sent over a low level OSC transport, + * having the correct endianess and bit-packed structure. + */ +void *lo_message_serialise(lo_message m, const char *path, void *to, + size_t *size); + +/** + * \brief Deserialise a raw OSC message and return a new lo_message object. + * Opposite of lo_message_serialise(). + * + * \param data Pointer to the raw OSC message data in network transmission form + * (network byte order where appropriate). + * \param size The size of data in bytes + * \param result If this pointer is non-NULL, the result or error code will + * be written here. + * + * Returns a new lo_message, or NULL if deserialisation fails. + * Use lo_message_free() to free the resulting object. + */ +lo_message lo_message_deserialise(void *data, size_t size, int *result); + +/** + * \brief Dispatch a raw block of memory containing an OSC message. + * + * This is useful when a raw block of memory is available that is + * structured as OSC, and you wish to use liblo to dispatch the + * message to a handler function as if it had been received over the + * network. + * + * \param s The lo_server to use for dispatching. + * \param data Pointer to the raw OSC message data in network transmission form + * (network byte order where appropriate). + * \param size The size of data in bytes + * + * Returns the number of bytes used if successful, or less than 0 otherwise. + */ +int lo_server_dispatch_data(lo_server s, void *data, size_t size); + +/** + * \brief Return the hostname of a lo_address object + * + * Returned value must not be modified or free'd. Value will be a dotted quad, + * colon'd IPV6 address, or resolvable name. + */ +const char *lo_address_get_hostname(lo_address a); + +/** + * \brief Return the port/service name of a lo_address object + * + * Returned value must not be modified or free'd. Value will be a service name + * or ASCII representation of the port number. + */ +const char *lo_address_get_port(lo_address a); + +/** + * \brief Return the protocol of a lo_address object + * + * Returned value will be one of LO_UDP, LO_TCP or LO_UNIX. + */ +int lo_address_get_protocol(lo_address a); + +/** + * \brief Return a URL representing an OSC address + * + * Returned value must be free'd. + */ +char *lo_address_get_url(lo_address a); + +/** + * \brief Set the Time-to-Live value for a given target address. + * + * This is required for sending multicast UDP messages. A value of 1 + * (the usual case) keeps the message within the subnet, while 255 + * means a global, unrestricted scope. + * + * \param t An OSC address. + * \param ttl An integer specifying the scope of a multicast UDP message. + */ +void lo_address_set_ttl(lo_address t, int ttl); + +/** + * \brief Get the Time-to-Live value for a given target address. + * + * \param t An OSC address. + * \return An integer specifying the scope of a multicast UDP message. + */ +int lo_address_get_ttl(lo_address t); + +/** + * \brief Create a new bundle object. + * + * OSC Bundles encapsulate one or more OSC messages and may include a timestamp + * indicating when the bundle should be dispatched. + * + * \param tt The timestamp when the bundle should be handled by the receiver. + * Pass LO_TT_IMMEDIATE if you want the receiving server to dispatch + * the bundle as soon as it receives it. + */ +lo_bundle lo_bundle_new(lo_timetag tt); + +/** + * \brief Adds an OSC message to an existing bundle. + * + * The message passed is appended to the list of messages in the bundle to be + * dispatched to 'path'. + * + * \return 0 if successful, less than 0 otherwise. + */ +int lo_bundle_add_message(lo_bundle b, const char *path, lo_message m); + +/** + * \brief Return the length of a bundle in bytes. + * + * Includes the marker and typetage length. + * + * \param b The bundle to be sized + */ +size_t lo_bundle_length(lo_bundle b); + +/** + * \brief Serialise the bundle object to an area of memory and return a + * pointer to the serialised form. + * + * \param b The bundle to be serialised + * \param to The address to serialise to, memory will be allocated if to is + * NULL. + * \param size If this pointer is non-NULL the size of the memory area + * will be written here + * + * The returned form is suitable to be sent over a low level OSC transport, + * having the correct endianess and bit-packed structure. + */ +void *lo_bundle_serialise(lo_bundle b, void *to, size_t *size); + +/** + * \brief Frees the memory taken by a bundle object. + * + * \param b The bundle to be freed. +*/ +void lo_bundle_free(lo_bundle b); + +/** + * \brief Frees the memory taken by a bundle object and messages in the bundle. + * + * \param b The bundle, which may contain messages, to be freed. +*/ +void lo_bundle_free_messages(lo_bundle b); + +/** + * \brief Return true if the type specified has a numerical value, such as + * LO_INT32, LO_FLOAT etc. + * + * \param a The type to be tested. + */ +int lo_is_numerical_type(lo_type a); + +/** + * \brief Return true if the type specified has a textual value, such as + * LO_STRING or LO_SYMBOL. + * + * \param a The type to be tested. + */ +int lo_is_string_type(lo_type a); + +/** + * \brief Attempt to convert one OSC type to another. + * + * Numerical types (eg LO_INT32, LO_FLOAT etc.) may be converted to other + * numerical types and string types (LO_STRING and LO_SYMBOL) may be converted + * to the other type. This is done automatically if a received message matches + * the path, but not the exact types, and is coercible (ie. all numerical + * types in numerical positions). + * + * On failure no translation occurs and false is returned. + * + * \param type_to The type of the destination variable. + * \param to A pointer to the destination variable. + * \param type_from The type of the source variable. + * \param from A pointer to the source variable. + */ +int lo_coerce(lo_type type_to, lo_arg *to, lo_type type_from, lo_arg *from); + +/** + * \brief Return the numerical value of the given argument with the + * maximum native system precision. + */ +lo_hires lo_hires_val(lo_type type, lo_arg *p); + +/** + * \brief Create a new server instance. + * + * Using lo_server_recv(), lo_servers block until they receive OSC + * messages. If you want non-blocking behaviour see + * lo_server_recv_noblock() or the \ref lo_server_thread_new + * "lo_server_thread_*" functions. + * + * \param port If NULL is passed then an unused UDP port will be chosen by the + * system, its number may be retrieved with lo_server_thread_get_port() + * so it can be passed to clients. Otherwise a decimal port number, service + * name or UNIX domain socket path may be passed. + * \param err_h An error callback function that will be called if there is an + * error in messge reception or server creation. Pass NULL if you do not want + * error handling. + */ +lo_server lo_server_new(const char *port, lo_err_handler err_h); + +/** + * \brief Create a new server instance, specifying protocol. + * + * Using lo_server_recv(), lo_servers block until they receive OSC + * messages. If you want non-blocking behaviour see + * lo_server_recv_noblock() or the \ref lo_server_thread_new + * "lo_server_thread_*" functions. + * + * \param port If using UDP then NULL may be passed to find an unused port. + * Otherwise a decimal port number orservice name or may be passed. + * If using UNIX domain sockets then a socket path should be passed here. + * \param proto The protocol to use, should be one of LO_UDP, LO_TCP or LO_UNIX. + * \param err_h An error callback function that will be called if there is an + * error in messge reception or server creation. Pass NULL if you do not want + * error handling. + */ +lo_server lo_server_new_with_proto(const char *port, int proto, + lo_err_handler err_h); + +/** + * \brief Create a new server instance, and join a UDP multicast group. + * + * \param group The multicast group to join. See documentation on IP + * multicast for the acceptable address range; e.g., http://tldp.org/HOWTO/Multicast-HOWTO-2.html + * \param port If using UDP then NULL may be passed to find an unused port. + * Otherwise a decimal port number or service name or may be passed. + * If using UNIX domain sockets then a socket path should be passed here. + * \param err_h An error callback function that will be called if there is an + * error in messge reception or server creation. Pass NULL if you do not want + * error handling. + */ +lo_server lo_server_new_multicast(const char *group, const char *port, + lo_err_handler err_h); + +/** + * \brief Free up memory used by the lo_server object + */ +void lo_server_free(lo_server s); + +/** + * \brief Wait for an OSC message to be received + * + * \param s The server to wait for connections on. + * \param timeout A timeout in milliseconds to wait for the incoming packet. + * a value of 0 will return immediately. + * + * The return value is 1 if there is a message waiting or 0 if + * there is no message. If there is a message waiting you can now + * call lo_server_recv() to receive that message. + */ +int lo_server_wait(lo_server s, int timeout); + +/** + * \brief Look for an OSC message waiting to be received + * + * \param s The server to wait for connections on. + * \param timeout A timeout in milliseconds to wait for the incoming packet. + * a value of 0 will return immediately. + * + * The return value is the number of bytes in the received message or 0 if + * there is no message. The message will be dispatched to a matching method + * if one is found. + */ +int lo_server_recv_noblock(lo_server s, int timeout); + +/** + * \brief Block, waiting for an OSC message to be received + * + * The return value is the number of bytes in the received message. The message + * will be dispatched to a matching method if one is found. + */ +int lo_server_recv(lo_server s); + +/** + * \brief Add an OSC method to the specifed server. + * + * \param s The server the method is to be added to. + * \param path The OSC path to register the method to. If NULL is passed the + * method will match all paths. + * \param typespec The typespec the method accepts. Incoming messages with + * similar typespecs (e.g. ones with numerical types in the same position) will + * be coerced to the typespec given here. + * \param h The method handler callback function that will be called if a + * matching message is received + * \param user_data A value that will be passed to the callback function, h, + * when its invoked matching from this method. + */ +lo_method lo_server_add_method(lo_server s, const char *path, + const char *typespec, lo_method_handler h, + void *user_data); + +/** + * \brief Delete an OSC method from the specifed server. + * + * \param s The server the method is to be removed from. + * \param path The OSC path of the method to delete. If NULL is passed the + * method will match the generic handler. + * \param typespec The typespec the method accepts. + */ +void lo_server_del_method(lo_server s, const char *path, + const char *typespec); + +/** + * \brief Return the file descriptor of the server socket. + * + * If the server protocol supports exposing the server's underlying + * receive mechanism for monitoring with select() or poll(), this function + * returns the file descriptor needed, otherwise, it returns -1. + * + * WARNING: when using this function beware that not all OSC packets that are + * received are dispatched immediately. lo_server_events_pending() and + * lo_server_next_event_delay() can be used to tell if there are pending + * events and how long before you should attempt to receive them. + */ +int lo_server_get_socket_fd(lo_server s); + +/** + * \brief Return the port number that the server has bound to. + * + * Useful when NULL is passed for the port number and you wish to know how to + * address the server. + */ +int lo_server_get_port(lo_server s); + +/** + * \brief Return the protocol that the server is using. + * + * Returned value will be one of LO_UDP, LO_TCP or LO_UNIX. + */ +int lo_server_get_protocol(lo_server s); + +/** + * \brief Return an OSC URL that can be used to contact the server. + * + * The return value should be free()'d when it is no longer needed. + */ +char *lo_server_get_url(lo_server s); + +/** + * \brief Return true if there are scheduled events (eg. from bundles) + * waiting to be dispatched by the server + */ +int lo_server_events_pending(lo_server s); + +/** + * \brief Return the time in seconds until the next scheduled event. + * + * If the delay is greater than 100 seconds then it will return 100.0. + */ +double lo_server_next_event_delay(lo_server s); + +/** + * \brief Return the protocol portion of an OSC URL, eg. udp, tcp. + * + * This library uses OSC URLs of the form: osc.prot://hostname:port/path if the + * prot part is missing, UDP is assumed. + * + * The return value should be free()'d when it is no longer needed. + */ +char *lo_url_get_protocol(const char *url); + +/** + * \brief Return the protocol ID of an OSC URL. + * + * This library uses OSC URLs of the form: osc.prot://hostname:port/path if the + * prot part is missing, UDP is assumed. + * Returned value will be one of LO_UDP, LO_TCP, LO_UNIX or -1. + * + * \return An integer specifying the protocol. Return -1 when the protocol is + * not supported by liblo. + * + */ +int lo_url_get_protocol_id(const char *url); + +/** + * \brief Return the hostname portion of an OSC URL. + * + * The return value should be free()'d when it is no longer needed. + */ +char *lo_url_get_hostname(const char *url); + +/** + * \brief Return the port portion of an OSC URL. + * + * The return value should be free()'d when it is no longer needed. + */ +char *lo_url_get_port(const char *url); + +/** + * \brief Return the path portion of an OSC URL. + * + * The return value should be free()'d when it is no longer needed. + */ +char *lo_url_get_path(const char *url); + +/* utility functions */ + +/** + * \brief A function to calculate the amount of OSC message space required by a + * C char *. + * + * Returns the storage size in bytes, which will always be a multiple of four. + */ +int lo_strsize(const char *s); + +/** + * \brief A function to calculate the amount of OSC message space required by a + * lo_blob object. + * + * Returns the storage size in bytes, which will always be a multiple of four. + */ +uint32_t lo_blobsize(lo_blob b); + +/** + * \brief Test a string against an OSC pattern glob + * + * \param str The string to test + * \param p The pattern to test against + */ +int lo_pattern_match(const char *str, const char *p); + +/** \internal \brief the real send function (don't call directly) */ +int lo_send_internal(lo_address t, const char *file, const int line, + const char *path, const char *types, ...); +/** \internal \brief the real send_timestamped function (don't call directly) */ +int lo_send_timestamped_internal(lo_address t, const char *file, const int line, + lo_timetag ts, const char *path, const char *types, ...); +/** \internal \brief the real lo_send_from() function (don't call directly) */ +int lo_send_from_internal(lo_address targ, lo_server from, const char *file, + const int line, const lo_timetag ts, + const char *path, const char *types, ...); + + +/** \brief Find the time difference between two timetags + * + * Returns a - b in seconds. + */ +double lo_timetag_diff(lo_timetag a, lo_timetag b); + +/** \brief Return a timetag for the current time + * + * On exit the timetag pointed to by t is filled with the OSC + * representation of this instant in time. + */ +void lo_timetag_now(lo_timetag *t); + +/** + * \brief Return the storage size, in bytes, of the given argument. + */ +size_t lo_arg_size(lo_type type, void *data); + +/** + * \brief Given a raw OSC message, return the message path. + * + * \param data A pointer to the raw OSC message data. + * \param size The size of data in bytes (total buffer bytes). + * + * Returns the message path or NULL if an error occurs. + * Do not free() the returned pointer. + */ +char *lo_get_path(void *data, ssize_t size); + +/** + * \brief Convert the specified argument to host byte order where necessary. + * + * \param type The OSC type of the data item (eg. LO_FLOAT). + * \param data A pointer to the data item to be converted. It is changed + * in-place. + */ +void lo_arg_host_endian(lo_type type, void *data); + +/** + * \brief Convert the specified argument to network byte order where necessary. + * + * \param type The OSC type of the data item (eg. LO_FLOAT). + * \param data A pointer to the data item to be converted. It is changed + * in-place. + */ +void lo_arg_network_endian(lo_type type, void *data); + +/** @} */ + +/* prettyprinters */ + +/** + * \defgroup pp Prettyprinting functions + * + * These functions all print an ASCII representation of their argument to + * stdout. Useful for debugging. + * @{ + */ + +/** \brief Pretty-print a lo_bundle object. */ +void lo_bundle_pp(lo_bundle b); + +/** \brief Pretty-print a lo_message object. */ +void lo_message_pp(lo_message m); + +/** \brief Pretty-print a set of typed arguments. + * \param type A type string in the form provided to lo_send(). + * \param data An OSC data pointer, like that provided in the + * lo_method_handler. + */ +void lo_arg_pp(lo_type type, void *data); + +/** \brief Pretty-print a lo_server object. */ +void lo_server_pp(lo_server s); + +/** \brief Pretty-print a lo_method object. */ +void lo_method_pp(lo_method m); + +/** \brief Pretty-print a lo_method object, but prepend a given prefix + * to all field names. */ +void lo_method_pp_prefix(lo_method m, const char *p); + +/** \brief Pretty-print a lo_server_thread object. */ +void lo_server_thread_pp(lo_server_thread st); +/** @} */ + +#ifdef __cplusplus +} +#endif + +#endif |