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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Defines local discovery messages between the browser and utility process.
      6 
      7 // Multiple-included file, no traditional include guard.
      8 #include <vector>
      9 
     10 #include "chrome/common/local_discovery/service_discovery_client.h"
     11 #include "ipc/ipc_message_macros.h"
     12 
     13 #ifndef CHROME_COMMON_LOCAL_DISCOVERY_LOCAL_DISCOVERY_MESSAGES_H_
     14 #define CHROME_COMMON_LOCAL_DISCOVERY_LOCAL_DISCOVERY_MESSAGES_H_
     15 
     16 #if defined(OS_POSIX)
     17 #include "base/file_descriptor_posix.h"
     18 #endif
     19 
     20 #if defined(OS_POSIX)
     21 struct LocalDiscoveryMsg_SocketInfo {
     22   LocalDiscoveryMsg_SocketInfo()
     23       : address_family(net::ADDRESS_FAMILY_UNSPECIFIED),
     24         interface_index(0) {
     25   }
     26 
     27   base::FileDescriptor descriptor;
     28   net::AddressFamily address_family;
     29   uint32 interface_index;
     30 };
     31 #endif  // OS_POSIX
     32 
     33 #endif  // CHROME_COMMON_LOCAL_DISCOVERY_LOCAL_DISCOVERY_MESSAGES_H_
     34 
     35 #define IPC_MESSAGE_START LocalDiscoveryMsgStart
     36 
     37 IPC_ENUM_TRAITS_MAX_VALUE(local_discovery::ServiceWatcher::UpdateType,
     38                           local_discovery::ServiceWatcher::UPDATE_TYPE_LAST)
     39 
     40 IPC_ENUM_TRAITS_MAX_VALUE(
     41     local_discovery::ServiceResolver::RequestStatus,
     42     local_discovery::ServiceResolver::REQUEST_STATUS_LAST)
     43 
     44 IPC_ENUM_TRAITS_MAX_VALUE(net::AddressFamily, net::ADDRESS_FAMILY_LAST)
     45 
     46 IPC_STRUCT_TRAITS_BEGIN(local_discovery::ServiceDescription)
     47   IPC_STRUCT_TRAITS_MEMBER(service_name)
     48   IPC_STRUCT_TRAITS_MEMBER(address)
     49   IPC_STRUCT_TRAITS_MEMBER(metadata)
     50   IPC_STRUCT_TRAITS_MEMBER(ip_address)
     51   IPC_STRUCT_TRAITS_MEMBER(last_seen)
     52 IPC_STRUCT_TRAITS_END()
     53 
     54 #if defined(OS_POSIX)
     55 IPC_STRUCT_TRAITS_BEGIN(LocalDiscoveryMsg_SocketInfo)
     56   IPC_STRUCT_TRAITS_MEMBER(descriptor)
     57   IPC_STRUCT_TRAITS_MEMBER(address_family)
     58   IPC_STRUCT_TRAITS_MEMBER(interface_index)
     59 IPC_STRUCT_TRAITS_END()
     60 #endif  // OS_POSIX
     61 //------------------------------------------------------------------------------
     62 // Utility process messages:
     63 // These are messages from the browser to the utility process.
     64 
     65 #if defined(OS_POSIX)
     66 IPC_MESSAGE_CONTROL1(LocalDiscoveryMsg_SetSockets,
     67                      std::vector<LocalDiscoveryMsg_SocketInfo> /* sockets */)
     68 #endif  // OS_POSIX
     69 
     70 // Creates watcher and starts listening in utility process.
     71 IPC_MESSAGE_CONTROL2(LocalDiscoveryMsg_StartWatcher,
     72                      uint64 /* id */,
     73                      std::string /* service_type */)
     74 
     75 // Discovers new services.
     76 IPC_MESSAGE_CONTROL2(LocalDiscoveryMsg_DiscoverServices,
     77                      uint64 /* id */,
     78                      bool /* force_update */)
     79 
     80 // Discovers new services.
     81 IPC_MESSAGE_CONTROL2(LocalDiscoveryMsg_SetActivelyRefreshServices,
     82                      uint64 /* id */,
     83                      bool /* actively_refresh_services */)
     84 
     85 // Destroys watcher in utility process.
     86 IPC_MESSAGE_CONTROL1(LocalDiscoveryMsg_DestroyWatcher,
     87                      uint64 /* id */)
     88 
     89 // Creates service resolver and starts resolving service in utility process.
     90 IPC_MESSAGE_CONTROL2(LocalDiscoveryMsg_ResolveService,
     91                      uint64 /* id */,
     92                      std::string /* service_name */)
     93 
     94 // Destroys service resolver in utility process.
     95 IPC_MESSAGE_CONTROL1(LocalDiscoveryMsg_DestroyResolver,
     96                      uint64 /* id */)
     97 
     98 // Creates a local domain resolver and starts resolving in utility process.
     99 IPC_MESSAGE_CONTROL3(LocalDiscoveryMsg_ResolveLocalDomain,
    100                      uint64 /* id */,
    101                      std::string /* domain */,
    102                      net::AddressFamily /* address_family */)
    103 
    104 // Destroys local domain resolver in utility process.
    105 IPC_MESSAGE_CONTROL1(LocalDiscoveryMsg_DestroyLocalDomainResolver,
    106                      uint64 /* id */)
    107 
    108 // Stops local discovery in utility process. http://crbug.com/268466.
    109 IPC_MESSAGE_CONTROL0(LocalDiscoveryMsg_ShutdownLocalDiscovery)
    110 
    111 
    112 //------------------------------------------------------------------------------
    113 // Utility process host messages:
    114 // These are messages from the utility process to the browser.
    115 
    116 // Notifies browser process if process failed.
    117 IPC_MESSAGE_CONTROL0(LocalDiscoveryHostMsg_Error)
    118 
    119 // Notifies browser process about new services.
    120 IPC_MESSAGE_CONTROL3(LocalDiscoveryHostMsg_WatcherCallback,
    121                      uint64 /* id */,
    122                      local_discovery::ServiceWatcher::UpdateType /* update */,
    123                      std::string /* service_name */)
    124 
    125 // Notifies browser process about service resolution results.
    126 IPC_MESSAGE_CONTROL3(
    127     LocalDiscoveryHostMsg_ResolverCallback,
    128     uint64 /* id */,
    129     local_discovery::ServiceResolver::RequestStatus /* status */,
    130     local_discovery::ServiceDescription /* description */)
    131 
    132 // Notifies browser process about local domain resolution results.
    133 IPC_MESSAGE_CONTROL4(
    134     LocalDiscoveryHostMsg_LocalDomainResolverCallback,
    135     uint64 /* id */,
    136     bool /* success */,
    137     net::IPAddressNumber /* ip_address_ipv4 */,
    138     net::IPAddressNumber /* ip_address_ipv6 */)
    139