talksik
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
#include <cstdio>
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#include <dns_sd.h>
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void DNSSD_API serviceResolveCallback(
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DNSServiceRef service, DNSServiceFlags flags, uint32_t interfaceIndex,
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DNSServiceErrorType errorCode, const char *fullName, const char *hostTarget,
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uint16_t port, uint16_t txtLen, const unsigned char *txtRecord,
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void *context) {
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if (errorCode == kDNSServiceErr_NoError) {
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printf("Resolved Service: %s\n", fullName);
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printf("Host: %s\n", hostTarget);
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printf("Port: %u\n", ntohs(port)); // Convert the port to host byte order
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} else {
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printf("Failed to resolve service: %d\n", errorCode);
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}
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}
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void DNSSD_API serviceBrowseCallback(
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DNSServiceRef service, DNSServiceFlags flags, uint32_t interfaceIndex,
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DNSServiceErrorType errorCode, const char *serviceName, const char *regtype,
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const char *replyDomain, void *context) {
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if (errorCode == kDNSServiceErr_NoError) {
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printf("Service found: %s.%s%s\n", serviceName, regtype,
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replyDomain ? replyDomain : "");
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// Now resolve the service to get port and other details
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DNSServiceRef resolveRef;
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DNSServiceErrorType resolveError =
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DNSServiceResolve(&resolveRef, 0, interfaceIndex, serviceName, regtype,
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replyDomain, serviceResolveCallback, nullptr);
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if (resolveError != kDNSServiceErr_NoError) {
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printf("Error resolving service: %d\n", resolveError);
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} else {
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// Process the resolved service
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DNSServiceProcessResult(resolveRef);
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DNSServiceRefDeallocate(resolveRef);
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}
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}
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}
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int browseServices() {
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DNSServiceRef serviceRef;
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DNSServiceErrorType error = DNSServiceBrowse(
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&serviceRef, 0, 0, "_flowy._tcp", NULL, serviceBrowseCallback, NULL);
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if (error != kDNSServiceErr_NoError) {
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fprintf(stderr, "Error browsing services: %d\n", error);
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return -1;
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}
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// Process the mDNS service (this will block until services are discovered)
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DNSServiceProcessResult(serviceRef);
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DNSServiceRefDeallocate(serviceRef);
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return 0;
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}
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int main() {
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browseServices();
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return 0;
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}
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