Function HandleBrowserRecord

engine/dlib/src/dlib/mdns.cpp:1883–2090

    }

    static void HandleBrowserRecord(Browser* browser, const uint8_t* data, uint32_t size, uint32_t* offset)
    {
        char name[256];
        uint16_t type = 0;
        uint16_t klass = 0;
        uint32_t ttl = 0;
        uint16_t rdlength = 0;

        if (!ReadName(data, size, offset, name, sizeof(name))
            || !ReadU16(data, size, offset, &type)
            || !ReadU16(data, size, offset, &klass)
            || !ReadU32(data, size, offset, &ttl)
            || !ReadU16(data, size, offset, &rdlength))
        {
            *offset = size;
            return;
        }

        (void) klass;

        if (*offset + rdlength > size)
        {
            *offset = size;
            return;
        }

        uint32_t rdata_offset = *offset;
        *offset += rdlength;

        if (type == DNS_TYPE_PTR && NameEquals(name, browser->m_ServiceTypeLocal))
        {
            uint32_t name_offset = rdata_offset;
            char full_service_name[256];
            if (!ReadName(data, size, &name_offset, full_service_name, sizeof(full_service_name)))
                return;

            int32_t service_index = FindBrowserService(browser->m_Services, full_service_name);
            bool created = false;
            if (service_index < 0)
            {
                if (browser->m_Services.Full())
                    browser->m_Services.OffsetCapacity(8);

                BrowserService service;
                dmStrlCpy(service.m_FullServiceName, full_service_name, sizeof(service.m_FullServiceName));
                dmStrlCpy(service.m_ServiceTypeLocal, browser->m_ServiceTypeLocal, sizeof(service.m_ServiceTypeLocal));
                BuildInstanceName(service.m_FullServiceName, service.m_ServiceTypeLocal, service.m_InstanceName, sizeof(service.m_InstanceName));
                browser->m_Services.Push(service);
                service_index = (int32_t) (browser->m_Services.Size() - 1);
                created = true;
            }

            BrowserService& service = browser->m_Services[(uint32_t) service_index];

            if (ttl == 0)
            {
                EmitBrowserRemoved(browser, &service);
                browser->m_Services.EraseSwap((uint32_t) service_index);