95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
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/*
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* $Id$
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*
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*/
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#include <libc.h>
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#include <arpa/nameser.h>
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#include <CoreFoundation/CoreFoundation.h>
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#include <DNSServiceDiscovery/DNSServiceDiscovery.h>
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#include "err.h"
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static void rend_stoprunloop(void) {
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CFRunLoopStop(CFRunLoopGetCurrent());
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}
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static void rend_sigint(int sigraised) {
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DPRINTF(ERR_INFO,"SIGINT\n");
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rend_stoprunloop();
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}
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static void rend_handler(CFMachPortRef port, void *msg, CFIndex size, void *info) {
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DNSServiceDiscovery_handleReply(msg);
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}
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static int rend_addtorunloop(dns_service_discovery_ref client) {
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mach_port_t port=DNSServiceDiscoveryMachPort(client);
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if(!port)
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return -1;
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else {
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CFMachPortContext context = { 0, 0, NULL, NULL, NULL };
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Boolean shouldFreeInfo;
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CFMachPortRef cfMachPort=CFMachPortCreateWithPort(kCFAllocatorDefault,
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port, rend_handler,
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&context, &shouldFreeInfo);
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CFRunLoopSourceRef rls=CFMachPortCreateRunLoopSource(NULL,cfMachPort,0);
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CFRunLoopAddSource(CFRunLoopGetCurrent(),
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rls,kCFRunLoopDefaultMode);
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CFRelease(rls);
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return 0;
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}
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}
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static void rend_reply(DNSServiceRegistrationReplyErrorType errorCode, void *context) {
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switch(errorCode) {
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case kDNSServiceDiscoveryNoError:
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DPRINTF(ERR_DEBUG,"Registered successfully\n");
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break;
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case kDNSServiceDiscoveryNameConflict:
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DPRINTF(ERR_WARN,"Error - name in use\n");
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break;
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default:
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DPRINTF(ERR_WARN,"Error %d\n",errorCode);
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break;
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}
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}
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/*
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* public interface
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*/
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int rend_init(pid_t *pid, char *name, int port) {
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dns_service_discovery_ref daap_ref=NULL;
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dns_service_discovery_ref http_ref=NULL;
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signal(SIGINT, rend_sigint); // SIGINT is what you get for a Ctrl-C
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DPRINTF(ERR_DEBUG,"Registering services\n");
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daap_ref=DNSServiceRegistrationCreate(name,"_daap._tcp",".local",port,"",rend_reply,nil);
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http_ref=DNSServiceRegistrationCreate(name,"_http._tcp",".local",port,"",rend_reply,nil);
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if(rend_addtorunloop(daap_ref) || rend_addtorunloop(http_ref)) {
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DPRINTF(ERR_WARN,"Add to runloop failed\n");
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return -1;
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}
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*pid=fork();
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if(*pid) {
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return 0;
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}
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DPRINTF(ERR_DEBUG,"Registered rendezvous services\n");
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CFRunLoopRun();
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DNSServiceDiscoveryDeallocate(daap_ref);
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DNSServiceDiscoveryDeallocate(http_ref);
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return 0;
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}
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