6 #include <lo/lo_throw.h>    12 #include <unordered_map>    15 #include <initializer_list>    40 #define LO_ADD_METHOD_RT(ht, argtypes, args, rt, r, r1, r2)             \    41     template <typename H>                                               \    42     Method add_method(const string_type path, const string_type types,  \    43                       H&& h, rt* _unused=0)                             \    45         std::string key(path.s() + "," + types.s());                    \    46         _handlers[key].push_front(                                      \    47             std::unique_ptr<handler>(new handler_type<r ht>(h)));       \    48         lo_method m = _add_method(path, types,                          \    49             [](const char *path, const char *types,                     \    50                lo_arg **argv, int argc, void *msg,                      \    53                 r1 (*static_cast<handler_type<r ht>*>(data)) args;      \    55             }, _handlers[key].front().get());                           \    56         _handlers[key].front()->method = m;                             \    60 #define RT_INT(argtypes) \    61     typename std::enable_if<std::is_same<decltype(h argtypes), int>::value, void>::type    62 #define RT_VOID(argtypes) \    63     typename std::enable_if<std::is_same<decltype(h argtypes), void>::value, void>::type    65 #define LO_ADD_METHOD(ht, argtypes, args)                         \    66     LO_ADD_METHOD_RT(ht, argtypes, args,                          \    67                      RT_INT(argtypes), int, return,);             \    68     LO_ADD_METHOD_RT(ht, argtypes, args,                          \    69                      RT_VOID(argtypes), void, , return 0)    77         string_type(
const char *s=0) { _s = s; }
    78         string_type(
const std::string &s) { _s = s.c_str(); }
    79         operator const char*() 
const { 
return _s; }
    80         std::string s()
 const { 
return _s?_s:
""; }
    84     class num_string_type : 
public string_type {
    86       num_string_type(
const char *s) : string_type(s) {}
    87       num_string_type(
const std::string &s) : string_type(s) {}
    88         num_string_type(
int n) { std::ostringstream ss; ss << n;
    89             _p.reset(
new std::string(ss.str())); _s = _p->c_str(); }
    90         std::unique_ptr<std::string> _p;
   111         Address(
const string_type &host, 
const num_string_type &port,
   115         Address(
const string_type &url)
   119           { address = a; owned=_owned; }
   125         void swap(
Address& b) 
throw () { std::swap(this->address, b.address); }
   130         void set_ttl(
int ttl)
   133         int send(
const string_type &path)
 const   134           { 
return lo_send(address, path, 
""); }
   139         int send(
const string_type &path, 
const string_type type, ...)
 const   144             std::string t = type.s() + 
"$$";
   151         int send(
lo_timetag ts, 
const string_type &path,
   152                  const string_type type, ...)
 const   157             std::string t = std::string(type) + 
"$$";
   166         int send(
const string_type &path, 
lo_message m)
 const   173                       const string_type type, ...) 
const;
   175         int send_from(
lo_server from, 
const string_type &path,
   176                       const string_type type, ...)
 const   181             std::string t = std::string(type) + 
"$$";
   189                       const string_type &path,
   190                       const string_type type, ...)
 const   195             std::string t = std::string(type) + 
"$$";
   212         int get_errno()
 const   215         std::string errstr()
 const   218         std::string hostname()
 const   221         std::string port()
 const   227         std::string url()
 const   230         std::string iface()
 const   233         void set_iface(
const string_type &iface, 
const string_type &ip)
   236         int set_tcp_nodelay(
int enable)
   239         int set_stream_slip(
int enable)
   261             : message(m.message) { 
if (m.message)
   264         Message(
const string_type types, ...)
   270             std::string t(std::string(types)+
"$$");
   271             add_varargs(t.c_str(), q);
   278         void swap(
Message& m) 
throw () { std::swap(this->message, m.message); }
   280         int add(
const string_type types, ...)
   284             std::string t(std::string(types)+
"$$");
   285             return add_varargs(t.c_str(), q);
   288         int add_varargs(
const string_type &types, va_list ap)
   291         int add_int32(int32_t a)
   294         int add_float(
float a)
   297         int add_string(
const string_type &a)
   303         int add_int64(int64_t a)
   309         int add_double(
double a)
   312         int add_symbol(
const string_type &a)
   318         int add_midi(uint8_t a[4])
   364         int add(uint8_t a[4])
   379         std::string types()
 const   388         size_t length(
const string_type &path)
 const   391         void *serialise(
const string_type &path, 
void *to, 
size_t *size)
 const   394         typedef std::pair<int, Message> maybe;
   397         maybe deserialise(
void *data, 
size_t size)
   400               return maybe(result, m); }
   423         template <
typename E>
   424         Server(
const num_string_type &port, E&& e)
   426               [](int num, const char *msg, const char *where){
   427                 auto h = 
static_cast<handler_error*
>(lo_error_get_context());
   428                 if (h) (*h)(num, msg, where);
   432                 lo_server_set_error_context(server,
   433                                             (_error_handler = std::unique_ptr<handler>(
   434                                                                                        new handler_error(e))).
get());
   439         template <
typename E>
   440         Server(
const num_string_type &port, 
int proto, E&& e=0)
   442               [](int num, const char *msg, const char *where){
   443                 auto h = 
static_cast<handler_error*
>(lo_error_get_context());
   444                 (*h)(num, msg, where);
   448                 lo_server_set_error_context(server,
   449                                             (_error_handler = std::unique_ptr<handler>(
   450                                                                                        new handler_error(e))).
get());
   456         template <
typename E>
   457         Server(
const string_type &group, 
const num_string_type &port,
   458                const string_type &iface=0, 
const string_type &ip=0, E&& e=0)
   459             : 
Server((!iface._s || !ip._s)
   461                            [](int num, const char *msg, const char *where){
   462                                auto h = 
static_cast<handler_error*
>(lo_error_get_context());
   463                                (*h)(num, msg, where);
   466                            [](
int num, 
const char *msg, 
const char *where){
   467                                auto h = 
static_cast<handler_error*
>(lo_error_get_context());
   468                                (*h)(num, msg, where);
   472                 lo_server_set_error_context(server,
   473                                             (_error_handler = std::unique_ptr<handler>(
   474                                                                                        new handler_error(e))).
get());
   488         Server(
const string_type &group, 
const num_string_type &port,
   489                const string_type &iface=
"", 
const string_type &ip=
"", 
lo_err_handler err_h=0)
   490             : 
Server((iface._s || ip._s)
   499         bool is_valid()
 const { 
return server!=
nullptr; }
   507             { 
return _add_method(path, types, h, data); }
   514                        ((
char*)0, (
char*)0, (
lo_arg**)0, (
int)0),
   515                        (path, types, argv, argc) );
   520                        ((
char*)0, (
lo_arg**)0, (
int)0),
   521                        (types, argv, argc) );
   524                        (types, argv, argc, 
Message(msg)) );
   537         int del_method(
const string_type &path, 
const string_type &typespec)
   539             _handlers.erase(path.s() + 
"," + typespec.s());
   546           for (
auto &i : _handlers) {
   547             std::remove_if(i.second.begin(), i.second.end(),
   548                            [&](std::unique_ptr<handler>& h){
return h->method == m;});
   553         int dispatch_data(
void *data, 
size_t size)
   556         int wait(
int timeout)
   562         int recv(
int timeout)
   572         template <
typename S, 
typename E>
   573         int add_bundle_handlers(S&& s, E&& e)
   575             _bundle_handlers.reset(
new std::pair<handler_bundle_start,
   577                                        handler_bundle_start(s),
   578                                        handler_bundle_end(e)));
   582                     auto h = (std::pair<handler_bundle_start,
   583                                         handler_bundle_end>*) user_data;
   587                 [](
void *user_data)->
int{
   588                     auto h = (std::pair<handler_bundle_start,
   589                                         handler_bundle_end>*) user_data;
   593                 _bundle_handlers.get());
   596         int socket_fd()
 const   605         std::string url()
 const   608         int enable_queue(
int queue_enabled,
   609                          int dispatch_remaining=1)
   612                                             dispatch_remaining); }
   614         int events_pending()
 const   617         double next_event_delay()
 const   626         friend class ServerThread;
   628         struct handler { Method method; handler(Method m):method(m){} };
   629         template <
typename T>
   630         class handler_type : 
public handler, 
public std::function<T> {
   631           public: 
template<
typename H>handler_type(H&& h, Method m=0)
   632             : handler(m), std::function<T>(h) {}
   634         typedef handler_type<void(int, const char *, const char *)> handler_error;
   635         typedef handler_type<void(int, const std::string&, const std::string&)> handler_error_s;
   636         typedef handler_type<void(lo_timetag)> handler_bundle_start;
   637         typedef handler_type<void()> handler_bundle_end;
   640         std::unordered_map<std::string,
   641             std::list<std::unique_ptr<handler>>> _handlers;
   642         std::unique_ptr<handler> _error_handler;
   643         std::unique_ptr<std::pair<handler_bundle_start,
   644                                   handler_bundle_end>> _bundle_handlers;
   646         virtual Method _add_method(
const char *path, 
const char *types,
   663         template <
typename E>
   668                     [](
int num, 
const char *msg, 
const char *where){
   669                     auto h = 
static_cast<handler_error*
>(lo_error_get_context());
   672                     if (h) (*h)(num, msg, where);});
   675                     auto h = 
new handler_error(e);
   676                     _error_handler.reset(h);
   677                     lo_server_thread_set_error_context(server_thread, h);
   678                     lo_server_set_error_context(server,
   679                                             (_error_handler = std::unique_ptr<handler>(
   680                             new handler_error(e))).
get());
   690         template <
typename E>
   691         ServerThread(
const num_string_type &port, 
int proto, E&& e)
   695                     [](
int num, 
const char *msg, 
const char *where){
   696                     auto h = 
static_cast<handler_error*
>(lo_error_get_context());
   699                     if (h) (*h)(num, msg, where);});
   702                     auto h = 
new handler_error(e);
   703                     _error_handler.reset(h);
   704                     lo_server_thread_set_error_context(server_thread, h);
   705                     lo_server_set_error_context(server,
   706                                             (_error_handler = std::unique_ptr<handler>(
   707                             new handler_error(e))).
get());
   715         template <
typename I, 
typename C>
   716         auto set_callbacks(I&& init, C&& cleanup)
   717             -> 
typename std::enable_if<
   718                 std::is_same<decltype(init()), int>::value, 
void>::type
   721                     _cb_handlers.reset(
new handler_cb_pair(init, cleanup));
   724                            auto cb = (handler_cb_pair*)c;
   725                            return (cb->first)();
   728                            auto cb = (handler_cb_pair*)c;
   730                         }, _cb_handlers.get());
   734         template <
typename I, 
typename C>
   735         auto set_callbacks(I&& init, C&& cleanup)
   736             -> 
typename std::enable_if<
   737                 std::is_same<decltype(init()), void>::value, 
void>::type
   741                         (handler_cb_pair*)
new handler_cb_pair_void(init, cleanup));
   744                            auto cb = (handler_cb_pair_void*)c;
   745                            (cb->first)(); 
return 0;
   748                            auto cb = (handler_cb_pair_void*)c;
   750                         }, _cb_handlers.get());
   758             { 
return server_thread; }
   763         typedef std::pair<handler_type<int()>,handler_type<void()>> handler_cb_pair;
   764         typedef std::pair<handler_type<void()>,handler_type<void()>> handler_cb_pair_void;
   765         std::unique_ptr<handler_cb_pair> _cb_handlers;
   768         virtual Method _add_method(
const char *path, 
const char *types,
   780                                                    const string_type type, ...)
 const   785                 std::string t = std::string(type) + 
"$$";
   804         Blob(int32_t size, 
const void *data=0)
   807         template <
typename T>
   809             : blob(
lo_blob_new(t.size()*
sizeof(t[0]), &t[0])) {}
   814         Blob& operator=(
Blob b) { b.swap(*
this); 
return *
this; }
   815         void swap(
Blob& b) 
throw () { std::swap(this->blob, b.blob); }
   817         uint32_t datasize()
 const   820         void *dataptr()
 const   823         uint32_t size()
 const   838           : path(_path), msg(_msg) {}
   847         template <
typename T>
   852             ElementT(
const string_type _path, 
const Message& _msg)
   856             ElementT(
const T& _bundle)
   862         typedef ElementT<Bundle> Element;
   880         Bundle(
const std::initializer_list<Element> &elements,
   885             for (
auto const &e : elements) {
   901         Bundle& operator=(
Bundle b) { b.swap(*
this); 
return *
this; }
   902         void swap(
Bundle& b) 
throw () { std::swap(this->bundle, b.bundle); }
   904         int add(
const string_type &path, 
lo_message m)
   910         size_t length()
 const   913         unsigned int count()
 const   916         lo_message get_message(
int index, 
const char **path=0)
 const   919         Message get_message(
int index, std::string &path)
 const   925         PathMsg get_message(
int index)
 const   930         Bundle get_bundle(
int index)
 const   933         Element get_element(
int index, 
const char **path=0)
 const   939                     return Element(p, m);
   951         void *serialise(
void *to, 
size_t *size)
 const   968         return std::string(str);
 Class representing an OSC method, proxy for lo_method. 
lo_server lo_server_new_multicast(const char *group, const char *port, lo_err_handler err_h)
Create a new server instance, and join a UDP multicast group. 
lo_message lo_bundle_get_message(lo_bundle b, int index, const char **path)
Gets a message contained within a bundle. 
Class representing an OSC message, proxy for lo_message. 
void lo_bundle_free_messages(lo_bundle b)
Obsolete, use lo_bundle_free_recursive instead. 
int lo_message_add_char(lo_message m, char a)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
lo_timetag lo_bundle_get_timestamp(lo_bundle b)
Get the timestamp associated with a bundle. 
lo_timetag lo_message_get_timestamp(lo_message m)
Returns the timestamp (lo_timetag *) of a bundled incoming message. 
int lo_message_add_nil(lo_message m)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
lo_server_thread lo_server_thread_new(const char *port, lo_err_handler err_h)
Create a new server thread to handle incoming OSC messages. 
int lo_message_add_blob(lo_message m, lo_blob a)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
lo_message lo_message_new()
Create a new lo_message object. 
lo_message lo_message_clone(lo_message m)
Create a new lo_message object by cloning an already existing one. 
lo_server lo_server_new(const char *port, lo_err_handler err_h)
Create a new server instance. 
void lo_server_thread_set_callbacks(lo_server_thread st, lo_server_thread_init_callback init, lo_server_thread_cleanup_callback cleanup, void *user_data)
Set an init and/or a cleanup function to the specifed server thread. 
Class representing an OSC blob, proxy for lo_blob. 
int lo_message_get_argc(lo_message m)
Return the message argument count. 
Union used to read values from incoming messages. 
int lo_server_add_bundle_handlers(lo_server s, lo_bundle_start_handler sh, lo_bundle_end_handler eh, void *user_data)
Add bundle notification handlers to the specified server. 
lo_element_type
An enumeration of bundle element types liblo can handle. 
lo_element_type lo_bundle_get_type(lo_bundle b, int index)
Gets the element type contained within a bundle. 
int lo_bundle_add_message(lo_bundle b, const char *path, lo_message m)
Adds an OSC message to an existing bundle. 
void lo_bundle_incref(lo_bundle b)
Add one to a bundle's reference count. 
const char * lo_address_errstr(lo_address a)
Return the error string from the last failed lo_send() or lo_address_new() call. 
int lo_server_enable_queue(lo_server s, int queue_enabled, int dispatch_remaining)
Toggle event queue. If queueing is enabled, timetagged messages that are sent in advance of the curre...
int lo_send_bundle(lo_address targ, lo_bundle b)
Send a lo_bundle object to address targ. 
int lo_message_add_timetag(lo_message m, lo_timetag a)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
int lo_server_thread_start(lo_server_thread st)
Start the server thread. 
int lo_message_add_string(lo_message m, const char *a)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
int lo_message_add_infinitum(lo_message m)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
void lo_server_del_method(lo_server s, const char *path, const char *typespec)
Delete an OSC method from the specified server. 
Server(const num_string_type &port, int proto, E &&e=0)
Class representing a server thread, proxy for lo_server_thread. 
lo_address lo_message_get_source(lo_message m)
Returns the source (lo_address) of an incoming message. 
int lo_send_bundle_from(lo_address targ, lo_server serv, lo_bundle b)
Send a lo_bundle object to address targ from address of serv. 
int lo_send_message_from(lo_address targ, lo_server serv, const char *path, lo_message msg)
Send a lo_message object to target targ from address of serv. 
Method add_method(const string_type &path, const string_type &types, lo_method_handler h, void *data) const
void lo_blob_free(lo_blob b)
Free the memory taken by a blob. 
void lo_message_free(lo_message m)
Free memory allocated by lo_message_new() and any subsequent lo_message_add_int32 lo_message_add*() c...
Server(const num_string_type &port, int proto, lo_err_handler err_h=0)
lo_bundle lo_bundle_new(lo_timetag tt)
Create a new bundle object. 
int lo_message_add_double(lo_message m, double a)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
void lo_server_free(lo_server s)
Free up memory used by the lo_server object. 
lo_timetag now()
Return the current time in lo_timetag format. 
Server(const num_string_type &port, lo_err_handler err_h=0)
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 thre...
Server(const string_type &group, const num_string_type &port, const string_type &iface=0, const string_type &ip=0, E &&e=0)
lo_arg ** lo_message_get_argv(lo_message m)
Return the message arguments. Do not free the returned data. 
lo_timetag immediate()
Return the OSC timetag representing "immediately". 
lo_address lo_address_new_from_url(const char *url)
Create a lo_address object from an OSC URL. 
#define LO_TT_IMMEDIATE
A timetag constant representing "now". 
void lo_bundle_pp(lo_bundle b)
Pretty-print a lo_bundle object. 
lo_address lo_address_new_with_proto(int proto, const char *host, const char *port)
Declare an OSC destination, given IP address and port number, specifying protocol. 
Class representing an OSC destination address, proxy for lo_address. 
const char * lo_address_get_port(lo_address a)
Return the port/service name of a lo_address object. 
LO_ADD_METHOD((const char *, const char *, lo_arg **, int),((char *) 0,(char *) 0,(lo_arg **) 0,(int) 0),(path, types, argv, argc))
int lo_address_get_protocol(lo_address a)
Return the protocol of a lo_address object. 
lo_method lo_server_thread_add_method(lo_server_thread st, const char *path, const char *typespec, lo_method_handler h, const void *user_data)
Add an OSC method to the specifed server thread. 
size_t lo_message_length(lo_message m, const char *path)
Return the length of a message in bytes. 
lo_server lo_server_new_multicast_iface(const char *group, const char *port, const char *iface, const char *ip, lo_err_handler err_h)
Create a new server instance, and join a UDP multicast group, optionally specifying which network int...
int lo_send_message(lo_address targ, const char *path, lo_message msg)
Send a lo_message object to target targ. 
int lo_message_add_int64(lo_message m, int64_t a)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
void * lo_bundle_serialise(lo_bundle b, void *to, size_t *size)
Serialise the bundle object to an area of memory and return a pointer to the serialised form...
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 thre...
int lo_message_add_int32(lo_message m, int32_t a)
Append a data item and typechar of the specified type to a message. 
int lo_address_set_stream_slip(lo_address t, int enable)
Set outgoing stream connections (e.g., TCP) to be transmitted using the SLIP packetizing protocol...
lo_bundle lo_bundle_get_bundle(lo_bundle b, int index)
Gets a nested bundle contained within a bundle. 
const char * lo_address_get_iface(lo_address t)
Get the name of the network interface assigned to an OSC address. 
int lo_address_set_tcp_nodelay(lo_address t, int enable)
Set the TCP_NODELAY flag on outgoing TCP connections. 
lo_message lo_message_deserialise(void *data, size_t size, int *result)
Deserialise a raw OSC message and return a new lo_message object. Opposite of lo_message_serialise()...
Class representing an OSC path (std::string) and lo::Message pair. 
int lo_address_get_ttl(lo_address t)
Get the Time-to-Live value for a given target address. 
const char * lo_address_get_hostname(lo_address a)
Return the hostname of a lo_address object. 
int lo_message_add_true(lo_message m)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
int lo_server_recv_noblock(lo_server s, int timeout)
Look for an OSC message waiting to be received. 
int lo_bundle_add_bundle(lo_bundle b, lo_bundle n)
Adds an OSC bundle to an existing bundle. 
void * lo_blob
A object to store an opaque binary data object. 
char * lo_server_get_url(lo_server s)
Return an OSC URL that can be used to contact the server. 
void * lo_address
A reference to an OSC service. 
lo_server lo_server_new_with_proto(const char *port, int proto, lo_err_handler err_h)
Create a new server instance, specifying protocol. 
int lo_server_get_port(lo_server s)
Return the port number that the server has bound to. 
Class representing a local OSC server, proxy for lo_server. 
void lo_address_set_ttl(lo_address t, int ttl)
Set the Time-to-Live value for a given target address. 
double lo_server_next_event_delay(lo_server s)
Return the time in seconds until the next scheduled event. 
lo_server lo_server_thread_get_server(lo_server_thread st)
Return the lo_server for a lo_server_thread. 
size_t lo_bundle_length(lo_bundle b)
Return the length of a bundle in bytes. 
int lo_message_add_midi(lo_message m, uint8_t a[4])
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
int lo_message_add_varargs(lo_message m, const char *types, va_list ap)
Append a varargs list to a message. 
char * lo_address_get_url(lo_address a)
Return a URL representing an OSC address. 
Class representing an OSC bundle, proxy for lo_bundle. 
int lo_server_get_socket_fd(lo_server s)
Return the file descriptor of the server socket. 
lo_server_thread lo_server_thread_new_with_proto(const char *port, int proto, lo_err_handler err_h)
Create a new server thread to handle incoming OSC messages, specifying protocol. 
int lo_server_dispatch_data(lo_server s, void *data, size_t size)
Dispatch a raw block of memory containing an OSC message. 
void * lo_server_thread
An object representing a thread containing an OSC server. 
void * lo_message
A low-level object used to represent messages passed over OSC. 
void lo_address_free(lo_address t)
Free the memory used by the lo_address object. 
int lo_server_del_lo_method(lo_server s, lo_method m)
Delete a specific OSC method from the specified server. 
int lo_server_events_pending(lo_server s)
Return true if there are scheduled events (eg. from bundles) waiting to be dispatched by the server...
Server(const num_string_type &port, E &&e)
void lo_bundle_free_recursive(lo_bundle b)
Frees the memory taken by a bundle object and its messages and nested bundles recursively. 
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. 
int lo_server_get_protocol(lo_server s)
Return the protocol that the server is using. 
int lo_server_thread_stop(lo_server_thread st)
Stop the server thread. 
lo_blob lo_blob_new(int32_t size, const void *data)
Create a new OSC blob type. 
uint32_t lo_blob_datasize(lo_blob b)
Return the amount of valid data in a lo_blob object. 
int lo_server_recv(lo_server s)
Block, waiting for an OSC message to be received. 
Server(const string_type &group, const num_string_type &port, const string_type &iface="", const string_type &ip="", lo_err_handler err_h=0)
void * lo_server
An object representing an instance of an OSC server. 
void lo_message_incref(lo_message m)
Add one to a message's reference count. 
int(* lo_bundle_end_handler)(void *user_data)
A callback function to receive notification of a bundle dispatch being completed by the server or ser...
void lo_timetag_now(lo_timetag *t)
Return a timetag for the current time. 
int lo_address_set_iface(lo_address t, const char *iface, const char *ip)
Set the network interface to use for a given target address. 
int lo_message_add_symbol(lo_message m, const char *a)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
char * lo_message_get_types(lo_message m)
Return the message type tag string. 
void lo_version(char *verstr, int verstr_size, int *major, int *minor, char *extra, int extra_size, int *lt_major, int *lt_minor, int *lt_bug)
Get information on the version of liblo current in use. 
lo_method lo_server_add_method(lo_server s, const char *path, const char *typespec, lo_method_handler h, const void *user_data)
Add an OSC method to the specifed server. 
void * lo_message_serialise(lo_message m, const char *path, void *to, size_t *size)
Serialise the lo_message object to an area of memory and return a pointer to the serialised form...
unsigned int lo_bundle_count(lo_bundle b)
Return the number of top-level elements in a bundle. 
int lo_message_add_false(lo_message m)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
int lo_server_wait(lo_server s, int timeout)
Wait for an OSC message to be received. 
int lo_address_errno(lo_address a)
Return the error number from the last failed lo_send() or lo_address_new() call. 
int lo_send(lo_address targ, const char *path, const char *type,...)
Send a OSC formatted message to the address specified. 
void * lo_blob_dataptr(lo_blob b)
Return a pointer to the start of the blob data to allow contents to be changed. 
uint32_t lo_blobsize(lo_blob b)
A function to calculate the amount of OSC message space required by a lo_blob object. 
void lo_server_thread_free(lo_server_thread st)
Free memory taken by a server thread. 
void * lo_method
An object representing an method on a server. 
void * lo_bundle
A low-level object used to represent bundles of messages passed over OSC. 
int lo_message_add_float(lo_message m, float a)
Append a data item and typechar of the specified type to a message. See lo_message_add_int32() for de...
void lo_message_pp(lo_message m)
Pretty-print a lo_message object. 
std::string version()
Return the library version as an std::string.