diff options
Diffstat (limited to 'SDL_Core/src/components/transport_manager/src/tcp/dnssd_service_browser.cc')
| -rw-r--r-- | SDL_Core/src/components/transport_manager/src/tcp/dnssd_service_browser.cc | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/SDL_Core/src/components/transport_manager/src/tcp/dnssd_service_browser.cc b/SDL_Core/src/components/transport_manager/src/tcp/dnssd_service_browser.cc deleted file mode 100644 index 799348cfb..000000000 --- a/SDL_Core/src/components/transport_manager/src/tcp/dnssd_service_browser.cc +++ /dev/null @@ -1,326 +0,0 @@ -/** - * \file dnssd_service_browser.cc - * \brief DnssdServiceBrowser class source file. - * - * Copyright (c) 2013, Ford Motor Company - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following - * disclaimer in the documentation and/or other materials provided with the - * distribution. - * - * Neither the name of the Ford Motor Company nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <algorithm> -#include <map> - -#include "transport_manager/transport_adapter/transport_adapter_impl.h" -#include "transport_manager/tcp/tcp_device.h" -#include "transport_manager/tcp/dnssd_service_browser.h" - -namespace transport_manager { - -namespace transport_adapter { - -bool operator==(const DnssdServiceRecord& a, const DnssdServiceRecord& b) { - return a.name == b.name && a.type == b.type && a.interface == b.interface - && a.protocol == b.protocol && a.domain_name == b.domain_name; -} - -void DnssdServiceBrowser::Terminate() { - if (0 != avahi_threaded_poll_) - avahi_threaded_poll_stop(avahi_threaded_poll_); - if (0 != avahi_service_browser_) - avahi_service_browser_free(avahi_service_browser_); - if (0 != avahi_client_) - avahi_client_free(avahi_client_); - if (0 != avahi_threaded_poll_) - avahi_threaded_poll_free(avahi_threaded_poll_); -} - -bool DnssdServiceBrowser::IsInitialised() const { - return initialised_; -} - -DnssdServiceBrowser::DnssdServiceBrowser(TransportAdapterController* controller) - : controller_(controller), - avahi_service_browser_(0), - avahi_threaded_poll_(0), - avahi_client_(0), - service_records_(), - mutex_(), - initialised_(false) { - pthread_mutex_init(&mutex_, 0); -} - -DnssdServiceBrowser::~DnssdServiceBrowser() { - pthread_mutex_destroy(&mutex_); -} - -void DnssdServiceBrowser::OnClientConnected() { - initialised_ = true; - LOG4CXX_ERROR(logger_, "AvahiClient ready"); -} - -void DnssdServiceBrowser::OnClientFailure() { - const int avahi_errno = avahi_client_errno(avahi_client_); - if (avahi_errno == AVAHI_ERR_DISCONNECTED) { - LOG4CXX_INFO(logger_, "AvahiClient disconnected"); - CreateAvahiClientAndBrowser(); - } else { - LOG4CXX_ERROR(logger_, - "AvahiClient failure: " << avahi_strerror(avahi_errno)); - } -} - -void AvahiClientCallback(AvahiClient *avahi_client, - AvahiClientState avahi_client_state, void* data) { - DnssdServiceBrowser* dnssd_service_browser = - static_cast<DnssdServiceBrowser*>(data); - - switch (avahi_client_state) { - case AVAHI_CLIENT_S_RUNNING: - dnssd_service_browser->OnClientConnected(); - break; - case AVAHI_CLIENT_FAILURE: - dnssd_service_browser->OnClientFailure(); - break; - } -} - -void AvahiServiceBrowserCallback(AvahiServiceBrowser *avahi_service_browser, - AvahiIfIndex interface, AvahiProtocol protocol, - AvahiBrowserEvent event, const char *name, - const char *type, const char *domain, - AvahiLookupResultFlags flags, void* data) { - DnssdServiceBrowser* dnssd_service_browser = - static_cast<DnssdServiceBrowser*>(data); - - int avahi_errno; - switch (event) { - case AVAHI_BROWSER_FAILURE: - avahi_errno = avahi_client_errno( - avahi_service_browser_get_client(avahi_service_browser)); - LOG4CXX_ERROR( - logger_, - "AvahiServiceBrowser failure: " << avahi_strerror(avahi_errno)); - break; - - case AVAHI_BROWSER_NEW: - dnssd_service_browser->AddService(interface, protocol, name, type, - domain); - break; - - case AVAHI_BROWSER_REMOVE: - dnssd_service_browser->RemoveService(interface, protocol, name, type, - domain); - break; - - case AVAHI_BROWSER_ALL_FOR_NOW: - case AVAHI_BROWSER_CACHE_EXHAUSTED: - break; - } -} - -void DnssdServiceBrowser::ServiceResolved( - const DnssdServiceRecord& service_record) { - pthread_mutex_lock(&mutex_); - ServiceRecords::iterator service_record_it = std::find( - service_records_.begin(), service_records_.end(), service_record); - if (service_record_it != service_records_.end()) { - *service_record_it = service_record; - } - DeviceVector device_vector = PrepareDeviceVector(); - controller_->SearchDeviceDone(device_vector); - pthread_mutex_unlock(&mutex_); -} - -void DnssdServiceBrowser::ServiceResolveFailed( - const DnssdServiceRecord& service_record) { - LOG4CXX_ERROR(logger_, - "AvahiServiceResolver failure for: " << service_record.name); - pthread_mutex_lock(&mutex_); - ServiceRecords::iterator service_record_it = std::find( - service_records_.begin(), service_records_.end(), service_record); - if (service_record_it != service_records_.end()) { - service_records_.erase(service_record_it); - } - pthread_mutex_unlock(&mutex_); -} - -void AvahiServiceResolverCallback(AvahiServiceResolver* avahi_service_resolver, - AvahiIfIndex interface, - AvahiProtocol protocol, - AvahiResolverEvent event, const char* name, - const char* type, const char* domain, - const char* host_name, - const AvahiAddress* avahi_address, - uint16_t port, AvahiStringList* txt, - AvahiLookupResultFlags flags, void *data) { - DnssdServiceBrowser* dnssd_service_browser = - static_cast<DnssdServiceBrowser*>(data); - - DnssdServiceRecord service_record; - service_record.interface = interface; - service_record.protocol = protocol; - service_record.domain_name = domain; - service_record.host_name = host_name; - service_record.name = name; - service_record.type = type; - switch (event) { - case AVAHI_RESOLVER_FOUND: - service_record.addr = avahi_address->data.ipv4.address; - service_record.port = port; - dnssd_service_browser->ServiceResolved(service_record); - break; - case AVAHI_RESOLVER_FAILURE: - dnssd_service_browser->ServiceResolveFailed(service_record); - break; - } - - avahi_service_resolver_free(avahi_service_resolver); -} - -TransportAdapter::Error DnssdServiceBrowser::CreateAvahiClientAndBrowser() { - if (0 != avahi_service_browser_) - avahi_service_browser_free(avahi_service_browser_); - if (0 != avahi_client_) - avahi_client_free(avahi_client_); - - int avahi_error; - avahi_client_ = avahi_client_new( - avahi_threaded_poll_get(avahi_threaded_poll_), AVAHI_CLIENT_NO_FAIL, - AvahiClientCallback, this, &avahi_error); - if (0 == avahi_client_) { - LOG4CXX_ERROR( - logger_, - "Failed to create AvahiClient: " << avahi_strerror(avahi_error)); - return TransportAdapter::FAIL; - } - - pthread_mutex_lock(&mutex_); - service_records_.clear(); - pthread_mutex_unlock(&mutex_); - - avahi_service_browser_ = avahi_service_browser_new( - avahi_client_, AVAHI_IF_UNSPEC, /* TODO use only required iface */ - AVAHI_PROTO_INET, DNSSD_DEFAULT_SERVICE_TYPE, NULL, /* use default domain */ - static_cast<AvahiLookupFlags>(0), AvahiServiceBrowserCallback, this); - - return TransportAdapter::OK; -} - -TransportAdapter::Error DnssdServiceBrowser::Init() { - avahi_threaded_poll_ = avahi_threaded_poll_new(); - if (0 == avahi_threaded_poll_) { - LOG4CXX_ERROR(logger_, "Failed to create AvahiThreadedPoll"); - return TransportAdapter::FAIL; - } - - const TransportAdapter::Error err = CreateAvahiClientAndBrowser(); - if (err != TransportAdapter::OK) { - return err; - } - - const int poll_start_status = avahi_threaded_poll_start(avahi_threaded_poll_); - if (poll_start_status != 0) { - LOG4CXX_ERROR(logger_, "Failed to start AvahiThreadedPoll"); - return TransportAdapter::FAIL; - } - - return TransportAdapter::OK; -} - -TransportAdapter::Error DnssdServiceBrowser::Scan() { - return TransportAdapter::NOT_SUPPORTED; -} - -void DnssdServiceBrowser::AddService(AvahiIfIndex interface, - AvahiProtocol protocol, const char* name, - const char* type, const char* domain) { - DnssdServiceRecord record; - record.interface = interface; - record.protocol = protocol; - record.domain_name = domain; - record.name = name; - record.type = type; - - pthread_mutex_lock(&mutex_); - if (service_records_.end() - == std::find(service_records_.begin(), service_records_.end(), record)) { - service_records_.push_back(record); - AvahiServiceResolver* avahi_service_resolver = avahi_service_resolver_new( - avahi_client_, interface, protocol, name, type, domain, - AVAHI_PROTO_INET, static_cast<AvahiLookupFlags>(0), - AvahiServiceResolverCallback, this); - } - pthread_mutex_unlock(&mutex_); -} - -void DnssdServiceBrowser::RemoveService(AvahiIfIndex interface, - AvahiProtocol protocol, - const char* name, const char* type, - const char* domain) { - DnssdServiceRecord record; - record.interface = interface; - record.protocol = protocol; - record.name = name; - record.type = type; - record.domain_name = domain; - - pthread_mutex_lock(&mutex_); - service_records_.erase( - std::remove(service_records_.begin(), service_records_.end(), record), - service_records_.end()); - pthread_mutex_unlock(&mutex_); -} - -DeviceVector DnssdServiceBrowser::PrepareDeviceVector() const { - std::map<uint32_t, TcpDevice*> devices; - for (ServiceRecords::const_iterator it = service_records_.begin(); - it != service_records_.end(); ++it) { - const DnssdServiceRecord& service_record = *it; - if (service_record.host_name.empty()) continue; - if (devices[service_record.addr] == 0) { - devices[service_record.addr] = new TcpDevice(service_record.addr, - service_record.host_name); - } - if (devices[service_record.addr] != 0) { - devices[service_record.addr]->AddDiscoveredApplication( - service_record.port); - } - } - DeviceVector device_vector; - device_vector.reserve(devices.size()); - for (std::map<uint32_t, TcpDevice*>::const_iterator it = devices.begin(); - it != devices.end(); ++it) { - device_vector.push_back(DeviceSptr(it->second)); - } - return device_vector; -} - -} // namespace -} // namespace - |