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#include <string.h>
#include <unistd.h>
#include "rtpmidi.h"
#define BACKEND_NAME "rtpmidi"
/** rtpMIDI backend w/ AppleMIDI support
*
* Global configuration
* bind = 0.0.0.0
* apple-bind = 0.0.0.1
* mdns-bind = 0.0.0.0
* mdns-name = mdns-name
*
* Instance configuration
* interface = 0
* (opt) ssrc = X
*
* apple-session = session-name
* apple-invite = invite-peer
* apple-allow = *
* or
* connect =
* reply-any = 1
*/
static struct /*_rtpmidi_global*/ {
int mdns_fd;
char* mdns_name;
size_t nfds;
rtpmidi_fd* fds;
} cfg = {
.mdns_fd = -1,
.mdns_name = NULL,
.nfds = 0,
.fds = NULL
};
int init(){
backend rtpmidi = {
.name = BACKEND_NAME,
.conf = rtpmidi_configure,
.create = rtpmidi_instance,
.conf_instance = rtpmidi_configure_instance,
.channel = rtpmidi_channel,
.handle = rtpmidi_set,
.process = rtpmidi_handle,
.start = rtpmidi_start,
.shutdown = rtpmidi_shutdown
};
if(mm_backend_register(rtpmidi)){
fprintf(stderr, "Failed to register rtpMIDI backend\n");
return 1;
}
return 0;
}
static int rtpmidi_configure(char* option, char* value){
if(!strcmp(option, "mdns-name")){
if(cfg.mdns_name){
free(cfg.mdns_name);
}
cfg.mdns_name = strdup(value);
if(!cfg.mdns_name){
fprintf(stderr, "Failed to allocate memory\n");
return 1;
}
//TODO this should create the mdns broadcaster and responder socket
return 0;
}
else if(!strcmp(option, "bind")){
//TODO open listening control and data fds
}
fprintf(stderr, "Unknown rtpMIDI backend option %s\n", option);
return 1;
}
static int rtpmidi_configure_instance(instance* inst, char* option, char* value){
//TODO
return 1;
}
static instance* rtpmidi_instance(){
//TODO
return NULL;
}
static channel* rtpmidi_channel(instance* inst, char* spec){
//TODO
return NULL;
}
static int rtpmidi_set(instance* inst, size_t num, channel** c, channel_value* v){
//TODO
return 1;
}
static int rtpmidi_handle(size_t num, managed_fd* fds){
//TODO
return 1;
}
static int rtpmidi_start(){
//TODO
return 1;
}
static int rtpmidi_shutdown(){
size_t u;
free(cfg.mdns_name);
if(cfg.mdns_fd >= 0){
close(cfg.mdns_fd);
}
for(u = 0; u < cfg.nfds; u++){
if(cfg.fds[u].data >= 0){
close(cfg.fds[u].data);
}
if(cfg.fds[u].control >= 0){
close(cfg.fds[u].control);
}
}
return 0;
}
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