Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 1 | #define LOG_TAG "hwservicemanager" |
| 2 | |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 3 | #include "ServiceManager.h" |
Steven Moreland | 37aed80 | 2017-04-06 09:16:42 -0700 | [diff] [blame] | 4 | #include "Vintf.h" |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 5 | |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 6 | #include <android-base/logging.h> |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 7 | #include <android-base/properties.h> |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 8 | #include <hwbinder/IPCThreadState.h> |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 9 | #include <hidl/HidlSupport.h> |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 10 | #include <hidl/HidlTransportSupport.h> |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 11 | #include <regex> |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 12 | #include <sstream> |
Steven Moreland | 58cef2c | 2018-01-24 16:41:38 -0800 | [diff] [blame] | 13 | #include <thread> |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 14 | |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 15 | using android::hardware::IPCThreadState; |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 16 | using ::android::hardware::interfacesEqual; |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 17 | |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 18 | namespace android { |
| 19 | namespace hidl { |
| 20 | namespace manager { |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 21 | namespace implementation { |
| 22 | |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 23 | static constexpr uint64_t kServiceDiedCookie = 0; |
| 24 | static constexpr uint64_t kPackageListenerDiedCookie = 1; |
| 25 | static constexpr uint64_t kServiceListenerDiedCookie = 2; |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 26 | static constexpr uint64_t kClientCallbackDiedCookie = 3; |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 27 | |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 28 | size_t ServiceManager::countExistingService() const { |
| 29 | size_t total = 0; |
| 30 | forEachExistingService([&] (const HidlService *) { |
| 31 | ++total; |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 32 | return true; // continue |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 33 | }); |
| 34 | return total; |
| 35 | } |
| 36 | |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 37 | void ServiceManager::forEachExistingService(std::function<bool(const HidlService *)> f) const { |
| 38 | forEachServiceEntry([&] (const HidlService *service) { |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 39 | if (service->getService() == nullptr) { |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 40 | return true; // continue |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 41 | } |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 42 | return f(service); |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 43 | }); |
| 44 | } |
| 45 | |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 46 | void ServiceManager::forEachExistingService(std::function<bool(HidlService *)> f) { |
| 47 | forEachServiceEntry([&] (HidlService *service) { |
| 48 | if (service->getService() == nullptr) { |
| 49 | return true; // continue |
| 50 | } |
| 51 | return f(service); |
| 52 | }); |
| 53 | } |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 54 | |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 55 | void ServiceManager::forEachServiceEntry(std::function<bool(const HidlService *)> f) const { |
| 56 | for (const auto& interfaceMapping : mServiceMap) { |
| 57 | const auto& instanceMap = interfaceMapping.second.getInstanceMap(); |
| 58 | |
| 59 | for (const auto& instanceMapping : instanceMap) { |
| 60 | if (!f(instanceMapping.second.get())) { |
| 61 | return; |
| 62 | } |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | void ServiceManager::forEachServiceEntry(std::function<bool(HidlService *)> f) { |
| 68 | for (auto& interfaceMapping : mServiceMap) { |
| 69 | auto& instanceMap = interfaceMapping.second.getInstanceMap(); |
| 70 | |
| 71 | for (auto& instanceMapping : instanceMap) { |
| 72 | if (!f(instanceMapping.second.get())) { |
| 73 | return; |
| 74 | } |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 79 | void ServiceManager::serviceDied(uint64_t cookie, const wp<IBase>& who) { |
Steven Moreland | 3af80b9 | 2018-05-09 15:31:18 -0700 | [diff] [blame] | 80 | bool serviceRemoved = false; |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 81 | switch (cookie) { |
| 82 | case kServiceDiedCookie: |
Steven Moreland | 3af80b9 | 2018-05-09 15:31:18 -0700 | [diff] [blame] | 83 | serviceRemoved = removeService(who, nullptr /* restrictToInstanceName */); |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 84 | break; |
| 85 | case kPackageListenerDiedCookie: |
Steven Moreland | 3af80b9 | 2018-05-09 15:31:18 -0700 | [diff] [blame] | 86 | serviceRemoved = removePackageListener(who); |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 87 | break; |
| 88 | case kServiceListenerDiedCookie: |
Steven Moreland | 3af80b9 | 2018-05-09 15:31:18 -0700 | [diff] [blame] | 89 | serviceRemoved = removeServiceListener(who); |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 90 | break; |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 91 | case kClientCallbackDiedCookie: { |
| 92 | sp<IBase> base = who.promote(); |
| 93 | IClientCallback* callback = static_cast<IClientCallback*>(base.get()); |
| 94 | serviceRemoved = unregisterClientCallback(nullptr /*service*/, |
| 95 | sp<IClientCallback>(callback)); |
| 96 | } break; |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 97 | } |
Steven Moreland | 3af80b9 | 2018-05-09 15:31:18 -0700 | [diff] [blame] | 98 | |
| 99 | if (!serviceRemoved) { |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 100 | LOG(ERROR) << "Received death notification but interface instance not removed. Cookie: " |
| 101 | << cookie << " Service pointer: " << who.promote().get(); |
Steven Moreland | 3af80b9 | 2018-05-09 15:31:18 -0700 | [diff] [blame] | 102 | } |
Martijn Coenen | 46847a6 | 2016-12-19 05:36:12 +0100 | [diff] [blame] | 103 | } |
| 104 | |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 105 | ServiceManager::InstanceMap &ServiceManager::PackageInterfaceMap::getInstanceMap() { |
| 106 | return mInstanceMap; |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 107 | } |
| 108 | |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 109 | const ServiceManager::InstanceMap &ServiceManager::PackageInterfaceMap::getInstanceMap() const { |
| 110 | return mInstanceMap; |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 111 | } |
| 112 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 113 | const HidlService *ServiceManager::PackageInterfaceMap::lookup( |
| 114 | const std::string &name) const { |
| 115 | auto it = mInstanceMap.find(name); |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 116 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 117 | if (it == mInstanceMap.end()) { |
| 118 | return nullptr; |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 119 | } |
| 120 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 121 | return it->second.get(); |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 122 | } |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 123 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 124 | HidlService *ServiceManager::PackageInterfaceMap::lookup( |
| 125 | const std::string &name) { |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 126 | |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 127 | return const_cast<HidlService*>( |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 128 | const_cast<const PackageInterfaceMap*>(this)->lookup(name)); |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | void ServiceManager::PackageInterfaceMap::insertService( |
| 132 | std::unique_ptr<HidlService> &&service) { |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 133 | mInstanceMap.insert({service->getInstanceName(), std::move(service)}); |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | void ServiceManager::PackageInterfaceMap::sendPackageRegistrationNotification( |
| 137 | const hidl_string &fqName, |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 138 | const hidl_string &instanceName) { |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 139 | |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 140 | for (auto it = mPackageListeners.begin(); it != mPackageListeners.end();) { |
| 141 | auto ret = (*it)->onRegistration(fqName, instanceName, false /* preexisting */); |
| 142 | if (ret.isOk()) { |
| 143 | ++it; |
| 144 | } else { |
| 145 | LOG(ERROR) << "Dropping registration callback for " << fqName << "/" << instanceName |
| 146 | << ": transport error."; |
| 147 | it = mPackageListeners.erase(it); |
| 148 | } |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 149 | } |
| 150 | } |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 151 | |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 152 | void ServiceManager::PackageInterfaceMap::addPackageListener(sp<IServiceNotification> listener) { |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 153 | for (const auto &instanceMapping : mInstanceMap) { |
| 154 | const std::unique_ptr<HidlService> &service = instanceMapping.second; |
| 155 | |
| 156 | if (service->getService() == nullptr) { |
| 157 | continue; |
| 158 | } |
| 159 | |
Steven Moreland | 30acc22 | 2017-01-26 11:44:38 -0800 | [diff] [blame] | 160 | auto ret = listener->onRegistration( |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 161 | service->getInterfaceName(), |
| 162 | service->getInstanceName(), |
| 163 | true /* preexisting */); |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 164 | if (!ret.isOk()) { |
| 165 | LOG(ERROR) << "Not adding package listener for " << service->getInterfaceName() |
| 166 | << "/" << service->getInstanceName() << ": transport error " |
| 167 | << "when sending notification for already registered instance."; |
| 168 | return; |
| 169 | } |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 170 | } |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 171 | mPackageListeners.push_back(listener); |
| 172 | } |
| 173 | |
| 174 | bool ServiceManager::PackageInterfaceMap::removePackageListener(const wp<IBase>& who) { |
| 175 | bool found = false; |
| 176 | |
| 177 | for (auto it = mPackageListeners.begin(); it != mPackageListeners.end();) { |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 178 | if (interfacesEqual(*it, who.promote())) { |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 179 | it = mPackageListeners.erase(it); |
| 180 | found = true; |
| 181 | } else { |
| 182 | ++it; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | return found; |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 187 | } |
| 188 | |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 189 | bool ServiceManager::PackageInterfaceMap::removeServiceListener(const wp<IBase>& who) { |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 190 | bool found = false; |
| 191 | |
| 192 | for (auto &servicePair : getInstanceMap()) { |
| 193 | const std::unique_ptr<HidlService> &service = servicePair.second; |
| 194 | found |= service->removeListener(who); |
| 195 | } |
| 196 | |
| 197 | return found; |
| 198 | } |
| 199 | |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 200 | static void tryStartService(const std::string& fqName, const std::string& name) { |
| 201 | using ::android::base::SetProperty; |
| 202 | |
Steven Moreland | 58cef2c | 2018-01-24 16:41:38 -0800 | [diff] [blame] | 203 | std::thread([=] { |
| 204 | bool success = SetProperty("ctl.interface_start", fqName + "/" + name); |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 205 | |
Steven Moreland | 58cef2c | 2018-01-24 16:41:38 -0800 | [diff] [blame] | 206 | if (!success) { |
| 207 | LOG(ERROR) << "Failed to set property for starting " << fqName << "/" << name; |
| 208 | } |
| 209 | }).detach(); |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 210 | } |
| 211 | |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 212 | // Methods from ::android::hidl::manager::V1_0::IServiceManager follow. |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 213 | Return<sp<IBase>> ServiceManager::get(const hidl_string& hidlFqName, |
| 214 | const hidl_string& hidlName) { |
| 215 | const std::string fqName = hidlFqName; |
| 216 | const std::string name = hidlName; |
| 217 | |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 218 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 219 | if (!mAcl.canGet(fqName, pid)) { |
| 220 | return nullptr; |
| 221 | } |
| 222 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 223 | auto ifaceIt = mServiceMap.find(fqName); |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 224 | if (ifaceIt == mServiceMap.end()) { |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 225 | tryStartService(fqName, hidlName); |
Martijn Coenen | 7b02bf9 | 2017-01-02 15:17:58 +0100 | [diff] [blame] | 226 | return nullptr; |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 227 | } |
| 228 | |
Steven Moreland | c06af8d | 2018-10-22 16:35:07 -0700 | [diff] [blame] | 229 | PackageInterfaceMap &ifaceMap = ifaceIt->second; |
| 230 | |
| 231 | // may be modified in post-command task |
| 232 | HidlService *hidlService = ifaceMap.lookup(name); |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 233 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 234 | if (hidlService == nullptr) { |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 235 | tryStartService(fqName, hidlName); |
Martijn Coenen | 7b02bf9 | 2017-01-02 15:17:58 +0100 | [diff] [blame] | 236 | return nullptr; |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 237 | } |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 238 | |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 239 | sp<IBase> service = hidlService->getService(); |
| 240 | if (service == nullptr) { |
| 241 | tryStartService(fqName, hidlName); |
| 242 | return nullptr; |
| 243 | } |
| 244 | |
Steven Moreland | 98db829 | 2018-12-07 13:08:25 -0800 | [diff] [blame] | 245 | // Let HidlService know that we handed out a client. If the client drops the service before the |
| 246 | // next time handleClientCallbacks is called, it will still know that the service had been handed out. |
| 247 | hidlService->guaranteeClient(); |
| 248 | |
Steven Moreland | c06af8d | 2018-10-22 16:35:07 -0700 | [diff] [blame] | 249 | // This is executed immediately after the binder driver confirms the transaction. The driver |
| 250 | // will update the appropriate data structures to reflect the fact that the client now has the |
| 251 | // service this function is returning. Nothing else can update the HidlService at the same |
| 252 | // time. This will run before anything else can modify the HidlService which is owned by this |
| 253 | // object, so it will be in the same state that it was when this function returns. |
| 254 | hardware::addPostCommandTask([hidlService] { |
Peter Kalauskas | 3b27ec5 | 2019-01-17 14:47:24 -0800 | [diff] [blame^] | 255 | hidlService->handleClientCallbacks(false /* isCalledOnInterval */); |
Steven Moreland | c06af8d | 2018-10-22 16:35:07 -0700 | [diff] [blame] | 256 | }); |
| 257 | |
Steven Moreland | 5a31745 | 2017-10-05 18:49:48 -0700 | [diff] [blame] | 258 | return service; |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 259 | } |
| 260 | |
Martijn Coenen | 1a5da1c | 2017-03-06 13:05:39 +0100 | [diff] [blame] | 261 | Return<bool> ServiceManager::add(const hidl_string& name, const sp<IBase>& service) { |
Steven Moreland | 707f22c | 2018-10-11 12:09:34 -0700 | [diff] [blame] | 262 | bool addSuccess = false; |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 263 | |
Martijn Coenen | 1a5da1c | 2017-03-06 13:05:39 +0100 | [diff] [blame] | 264 | if (service == nullptr) { |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 265 | return false; |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 266 | } |
Steven Moreland | 5fb3d65 | 2016-11-03 13:45:18 -0700 | [diff] [blame] | 267 | |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 268 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
Steven Moreland | 4034c1c | 2017-11-03 17:42:27 -0700 | [diff] [blame] | 269 | auto context = mAcl.getContext(pid); |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 270 | |
Martijn Coenen | 1a5da1c | 2017-03-06 13:05:39 +0100 | [diff] [blame] | 271 | auto ret = service->interfaceChain([&](const auto &interfaceChain) { |
Steven Moreland | 707f22c | 2018-10-11 12:09:34 -0700 | [diff] [blame] | 272 | addSuccess = addImpl(name, service, interfaceChain, context, pid); |
Martijn Coenen | 1a5da1c | 2017-03-06 13:05:39 +0100 | [diff] [blame] | 273 | }); |
| 274 | |
| 275 | if (!ret.isOk()) { |
Steven Moreland | 707f22c | 2018-10-11 12:09:34 -0700 | [diff] [blame] | 276 | LOG(ERROR) << "Failed to retrieve interface chain: " << ret.description(); |
Martijn Coenen | 1a5da1c | 2017-03-06 13:05:39 +0100 | [diff] [blame] | 277 | return false; |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 278 | } |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 279 | |
Steven Moreland | 707f22c | 2018-10-11 12:09:34 -0700 | [diff] [blame] | 280 | return addSuccess; |
| 281 | } |
| 282 | |
| 283 | bool ServiceManager::addImpl(const hidl_string& name, |
| 284 | const sp<IBase>& service, |
| 285 | const hidl_vec<hidl_string>& interfaceChain, |
| 286 | const AccessControl::Context &context, |
| 287 | pid_t pid) { |
| 288 | if (interfaceChain.size() == 0) { |
| 289 | LOG(WARNING) << "Empty interface chain for " << name; |
| 290 | return false; |
| 291 | } |
| 292 | |
| 293 | // First, verify you're allowed to add() the whole interface hierarchy |
| 294 | for(size_t i = 0; i < interfaceChain.size(); i++) { |
| 295 | const std::string fqName = interfaceChain[i]; |
| 296 | |
| 297 | if (!mAcl.canAdd(fqName, context, pid)) { |
| 298 | return false; |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | { |
| 303 | // For IBar extends IFoo if IFoo/default is being registered, remove |
| 304 | // IBar/default. This makes sure the following two things are equivalent |
| 305 | // 1). IBar::castFrom(IFoo::getService(X)) |
| 306 | // 2). IBar::getService(X) |
| 307 | // assuming that IBar is declared in the device manifest and there |
| 308 | // is also not an IBaz extends IFoo. |
| 309 | const std::string childFqName = interfaceChain[0]; |
| 310 | const PackageInterfaceMap &ifaceMap = mServiceMap[childFqName]; |
| 311 | const HidlService *hidlService = ifaceMap.lookup(name); |
| 312 | if (hidlService != nullptr) { |
| 313 | const sp<IBase> remove = hidlService->getService(); |
| 314 | |
| 315 | if (remove != nullptr) { |
| 316 | const std::string instanceName = name; |
| 317 | removeService(remove, &instanceName /* restrictToInstanceName */); |
| 318 | } |
| 319 | } |
| 320 | } |
| 321 | |
| 322 | for(size_t i = 0; i < interfaceChain.size(); i++) { |
| 323 | const std::string fqName = interfaceChain[i]; |
| 324 | |
| 325 | PackageInterfaceMap &ifaceMap = mServiceMap[fqName]; |
| 326 | HidlService *hidlService = ifaceMap.lookup(name); |
| 327 | |
| 328 | if (hidlService == nullptr) { |
| 329 | ifaceMap.insertService( |
| 330 | std::make_unique<HidlService>(fqName, name, service, pid)); |
| 331 | } else { |
| 332 | hidlService->setService(service, pid); |
| 333 | } |
| 334 | |
| 335 | ifaceMap.sendPackageRegistrationNotification(fqName, name); |
| 336 | } |
| 337 | |
| 338 | bool linkRet = service->linkToDeath(this, kServiceDiedCookie).withDefault(false); |
| 339 | if (!linkRet) { |
| 340 | LOG(ERROR) << "Could not link to death for " << interfaceChain[0] << "/" << name; |
| 341 | } |
| 342 | |
| 343 | return true; |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 344 | } |
| 345 | |
Steven Moreland | 37aed80 | 2017-04-06 09:16:42 -0700 | [diff] [blame] | 346 | Return<ServiceManager::Transport> ServiceManager::getTransport(const hidl_string& fqName, |
| 347 | const hidl_string& name) { |
| 348 | using ::android::hardware::getTransport; |
| 349 | |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 350 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 351 | if (!mAcl.canGet(fqName, pid)) { |
| 352 | return Transport::EMPTY; |
| 353 | } |
| 354 | |
Steven Moreland | 37aed80 | 2017-04-06 09:16:42 -0700 | [diff] [blame] | 355 | switch (getTransport(fqName, name)) { |
| 356 | case vintf::Transport::HWBINDER: |
| 357 | return Transport::HWBINDER; |
| 358 | case vintf::Transport::PASSTHROUGH: |
| 359 | return Transport::PASSTHROUGH; |
| 360 | case vintf::Transport::EMPTY: |
| 361 | default: |
| 362 | return Transport::EMPTY; |
| 363 | } |
| 364 | } |
| 365 | |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 366 | Return<void> ServiceManager::list(list_cb _hidl_cb) { |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 367 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 368 | if (!mAcl.canList(pid)) { |
| 369 | _hidl_cb({}); |
| 370 | return Void(); |
| 371 | } |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 372 | |
| 373 | hidl_vec<hidl_string> list; |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 374 | |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 375 | list.resize(countExistingService()); |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 376 | |
| 377 | size_t idx = 0; |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 378 | forEachExistingService([&] (const HidlService *service) { |
| 379 | list[idx++] = service->string(); |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 380 | return true; // continue |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 381 | }); |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 382 | |
| 383 | _hidl_cb(list); |
| 384 | return Void(); |
| 385 | } |
| 386 | |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 387 | Return<void> ServiceManager::listByInterface(const hidl_string& fqName, |
| 388 | listByInterface_cb _hidl_cb) { |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 389 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 390 | if (!mAcl.canGet(fqName, pid)) { |
| 391 | _hidl_cb({}); |
| 392 | return Void(); |
| 393 | } |
| 394 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 395 | auto ifaceIt = mServiceMap.find(fqName); |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 396 | if (ifaceIt == mServiceMap.end()) { |
| 397 | _hidl_cb(hidl_vec<hidl_string>()); |
| 398 | return Void(); |
| 399 | } |
| 400 | |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 401 | const auto &instanceMap = ifaceIt->second.getInstanceMap(); |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 402 | |
| 403 | hidl_vec<hidl_string> list; |
Steven Moreland | fc56b61 | 2017-01-23 20:10:45 -0800 | [diff] [blame] | 404 | |
| 405 | size_t total = 0; |
| 406 | for (const auto &serviceMapping : instanceMap) { |
| 407 | const std::unique_ptr<HidlService> &service = serviceMapping.second; |
| 408 | if (service->getService() == nullptr) continue; |
| 409 | |
| 410 | ++total; |
| 411 | } |
| 412 | list.resize(total); |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 413 | |
| 414 | size_t idx = 0; |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 415 | for (const auto &serviceMapping : instanceMap) { |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 416 | const std::unique_ptr<HidlService> &service = serviceMapping.second; |
Steven Moreland | fc56b61 | 2017-01-23 20:10:45 -0800 | [diff] [blame] | 417 | if (service->getService() == nullptr) continue; |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 418 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 419 | list[idx++] = service->getInstanceName(); |
Steven Moreland | 7623781 | 2016-11-08 15:59:04 -0800 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | _hidl_cb(list); |
| 423 | return Void(); |
| 424 | } |
| 425 | |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 426 | Return<bool> ServiceManager::registerForNotifications(const hidl_string& fqName, |
| 427 | const hidl_string& name, |
| 428 | const sp<IServiceNotification>& callback) { |
| 429 | if (callback == nullptr) { |
| 430 | return false; |
| 431 | } |
| 432 | |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 433 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 434 | if (!mAcl.canGet(fqName, pid)) { |
| 435 | return false; |
| 436 | } |
| 437 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 438 | PackageInterfaceMap &ifaceMap = mServiceMap[fqName]; |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 439 | |
| 440 | if (name.empty()) { |
Steven Moreland | 78c899e | 2018-09-27 16:45:18 -0700 | [diff] [blame] | 441 | bool ret = callback->linkToDeath(this, kPackageListenerDiedCookie).withDefault(false); |
| 442 | if (!ret) { |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 443 | LOG(ERROR) << "Failed to register death recipient for " << fqName << "/" << name; |
| 444 | return false; |
| 445 | } |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 446 | ifaceMap.addPackageListener(callback); |
| 447 | return true; |
| 448 | } |
| 449 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 450 | HidlService *service = ifaceMap.lookup(name); |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 451 | |
Steven Moreland | 78c899e | 2018-09-27 16:45:18 -0700 | [diff] [blame] | 452 | bool ret = callback->linkToDeath(this, kServiceListenerDiedCookie).withDefault(false); |
| 453 | if (!ret) { |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 454 | LOG(ERROR) << "Failed to register death recipient for " << fqName << "/" << name; |
| 455 | return false; |
| 456 | } |
| 457 | |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 458 | if (service == nullptr) { |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 459 | auto adding = std::make_unique<HidlService>(fqName, name); |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 460 | adding->addListener(callback); |
| 461 | ifaceMap.insertService(std::move(adding)); |
Steven Moreland | 2173d3c | 2016-11-09 15:00:58 -0800 | [diff] [blame] | 462 | } else { |
| 463 | service->addListener(callback); |
| 464 | } |
| 465 | |
| 466 | return true; |
| 467 | } |
| 468 | |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 469 | Return<bool> ServiceManager::unregisterForNotifications(const hidl_string& fqName, |
| 470 | const hidl_string& name, |
| 471 | const sp<IServiceNotification>& callback) { |
| 472 | if (callback == nullptr) { |
| 473 | LOG(ERROR) << "Cannot unregister null callback for " << fqName << "/" << name; |
| 474 | return false; |
| 475 | } |
| 476 | |
| 477 | // NOTE: don't need ACL since callback is binder token, and if someone has gotten it, |
| 478 | // then they already have access to it. |
| 479 | |
| 480 | if (fqName.empty()) { |
| 481 | bool success = false; |
| 482 | success |= removePackageListener(callback); |
| 483 | success |= removeServiceListener(callback); |
| 484 | return success; |
| 485 | } |
| 486 | |
| 487 | PackageInterfaceMap &ifaceMap = mServiceMap[fqName]; |
| 488 | |
| 489 | if (name.empty()) { |
| 490 | bool success = false; |
| 491 | success |= ifaceMap.removePackageListener(callback); |
| 492 | success |= ifaceMap.removeServiceListener(callback); |
| 493 | return success; |
| 494 | } |
| 495 | |
| 496 | HidlService *service = ifaceMap.lookup(name); |
| 497 | |
| 498 | if (service == nullptr) { |
| 499 | return false; |
| 500 | } |
| 501 | |
| 502 | return service->removeListener(callback); |
| 503 | } |
| 504 | |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 505 | Return<bool> ServiceManager::registerClientCallback(const sp<IBase>& server, |
| 506 | const sp<IClientCallback>& cb) { |
| 507 | if (server == nullptr || cb == nullptr) return false; |
| 508 | |
| 509 | // only the server of the interface can register a client callback |
| 510 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 511 | |
| 512 | HidlService* registered = nullptr; |
| 513 | |
| 514 | forEachExistingService([&] (HidlService *service) { |
| 515 | if (service->getPid() != pid) { |
| 516 | return true; // continue |
| 517 | } |
| 518 | |
| 519 | if (interfacesEqual(service->getService(), server)) { |
| 520 | service->addClientCallback(cb); |
| 521 | registered = service; |
| 522 | return false; // break |
| 523 | } |
| 524 | return true; // continue |
| 525 | }); |
| 526 | |
| 527 | if (registered != nullptr) { |
| 528 | bool linkRet = cb->linkToDeath(this, kClientCallbackDiedCookie).withDefault(false); |
| 529 | if (!linkRet) { |
| 530 | LOG(ERROR) << "Could not link to death for registerClientCallback"; |
| 531 | unregisterClientCallback(server, cb); |
| 532 | registered = nullptr; |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | if (registered != nullptr) { |
Peter Kalauskas | 3b27ec5 | 2019-01-17 14:47:24 -0800 | [diff] [blame^] | 537 | registered->handleClientCallbacks(false /* isCalledOnInterval */); |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 538 | } |
| 539 | |
| 540 | return registered != nullptr; |
| 541 | } |
| 542 | |
| 543 | Return<bool> ServiceManager::unregisterClientCallback(const sp<IBase>& server, |
| 544 | const sp<IClientCallback>& cb) { |
| 545 | if (cb == nullptr) return false; |
| 546 | |
| 547 | bool removed = false; |
| 548 | |
| 549 | forEachExistingService([&] (HidlService *service) { |
| 550 | if (server == nullptr || interfacesEqual(service->getService(), server)) { |
| 551 | removed |= service->removeClientCallback(cb); |
| 552 | } |
| 553 | return true; // continue |
| 554 | }); |
| 555 | |
| 556 | return removed; |
| 557 | } |
| 558 | |
| 559 | void ServiceManager::handleClientCallbacks() { |
| 560 | forEachServiceEntry([&] (HidlService *service) { |
Peter Kalauskas | 3b27ec5 | 2019-01-17 14:47:24 -0800 | [diff] [blame^] | 561 | service->handleClientCallbacks(true /* isCalledOnInterval */); |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 562 | return true; // continue |
| 563 | }); |
| 564 | } |
| 565 | |
Steven Moreland | 707f22c | 2018-10-11 12:09:34 -0700 | [diff] [blame] | 566 | Return<bool> ServiceManager::addWithChain(const hidl_string& name, |
| 567 | const sp<IBase>& service, |
| 568 | const hidl_vec<hidl_string>& chain) { |
| 569 | if (service == nullptr) { |
| 570 | return false; |
| 571 | } |
| 572 | |
| 573 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 574 | auto context = mAcl.getContext(pid); |
| 575 | |
| 576 | return addImpl(name, service, chain, context, pid); |
| 577 | } |
| 578 | |
Steven Moreland | aae4eab | 2018-10-29 13:00:31 -0700 | [diff] [blame] | 579 | Return<void> ServiceManager::listManifestByInterface(const hidl_string& fqName, |
| 580 | listManifestByInterface_cb _hidl_cb) { |
| 581 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 582 | if (!mAcl.canGet(fqName, pid)) { |
| 583 | _hidl_cb({}); |
| 584 | return Void(); |
| 585 | } |
| 586 | |
| 587 | std::set<std::string> instances = getInstances(fqName); |
| 588 | hidl_vec<hidl_string> ret(instances.begin(), instances.end()); |
| 589 | |
| 590 | _hidl_cb(ret); |
| 591 | return Void(); |
| 592 | } |
| 593 | |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 594 | Return<void> ServiceManager::debugDump(debugDump_cb _cb) { |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 595 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 596 | if (!mAcl.canList(pid)) { |
| 597 | _cb({}); |
| 598 | return Void(); |
| 599 | } |
| 600 | |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 601 | std::vector<IServiceManager::InstanceDebugInfo> list; |
| 602 | forEachServiceEntry([&] (const HidlService *service) { |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 603 | hidl_vec<int32_t> clientPids; |
| 604 | clientPids.resize(service->getPassthroughClients().size()); |
| 605 | |
| 606 | size_t i = 0; |
| 607 | for (pid_t p : service->getPassthroughClients()) { |
| 608 | clientPids[i++] = p; |
| 609 | } |
| 610 | |
| 611 | list.push_back({ |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 612 | .pid = service->getPid(), |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 613 | .interfaceName = service->getInterfaceName(), |
| 614 | .instanceName = service->getInstanceName(), |
Yifan Hong | 1d2deb1 | 2017-03-02 16:58:22 -0800 | [diff] [blame] | 615 | .clientPids = clientPids, |
| 616 | .arch = ::android::hidl::base::V1_0::DebugInfo::Architecture::UNKNOWN |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 617 | }); |
Steven Moreland | d853620 | 2018-09-26 10:56:19 -0700 | [diff] [blame] | 618 | |
| 619 | return true; // continue |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 620 | }); |
| 621 | |
| 622 | _cb(list); |
| 623 | return Void(); |
| 624 | } |
| 625 | |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 626 | |
| 627 | Return<void> ServiceManager::registerPassthroughClient(const hidl_string &fqName, |
Martijn Coenen | 737de1b | 2017-04-27 09:29:43 -0700 | [diff] [blame] | 628 | const hidl_string &name) { |
| 629 | pid_t pid = IPCThreadState::self()->getCallingPid(); |
| 630 | if (!mAcl.canGet(fqName, pid)) { |
Martijn Coenen | 7ce83be | 2017-04-07 16:19:32 -0700 | [diff] [blame] | 631 | /* We guard this function with "get", because it's typically used in |
| 632 | * the getService() path, albeit for a passthrough service in this |
| 633 | * case |
| 634 | */ |
| 635 | return Void(); |
| 636 | } |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 637 | |
| 638 | PackageInterfaceMap &ifaceMap = mServiceMap[fqName]; |
| 639 | |
| 640 | if (name.empty()) { |
| 641 | LOG(WARNING) << "registerPassthroughClient encounters empty instance name for " |
| 642 | << fqName.c_str(); |
| 643 | return Void(); |
| 644 | } |
| 645 | |
| 646 | HidlService *service = ifaceMap.lookup(name); |
| 647 | |
| 648 | if (service == nullptr) { |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 649 | auto adding = std::make_unique<HidlService>(fqName, name); |
Yifan Hong | ee531a8 | 2017-02-03 15:10:18 -0800 | [diff] [blame] | 650 | adding->registerPassthroughClient(pid); |
| 651 | ifaceMap.insertService(std::move(adding)); |
| 652 | } else { |
| 653 | service->registerPassthroughClient(pid); |
| 654 | } |
| 655 | return Void(); |
| 656 | } |
| 657 | |
Steven Moreland | 76936fe | 2017-09-19 12:18:30 -0700 | [diff] [blame] | 658 | bool ServiceManager::removeService(const wp<IBase>& who, const std::string* restrictToInstanceName) { |
Steven Moreland | 76936fe | 2017-09-19 12:18:30 -0700 | [diff] [blame] | 659 | bool keepInstance = false; |
| 660 | bool removed = false; |
Martijn Coenen | 46847a6 | 2016-12-19 05:36:12 +0100 | [diff] [blame] | 661 | for (auto &interfaceMapping : mServiceMap) { |
| 662 | auto &instanceMap = interfaceMapping.second.getInstanceMap(); |
| 663 | |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 664 | for (auto &servicePair : instanceMap) { |
Steven Moreland | 76936fe | 2017-09-19 12:18:30 -0700 | [diff] [blame] | 665 | const std::string &instanceName = servicePair.first; |
Steven Moreland | d544cf6 | 2017-01-04 15:24:32 -0800 | [diff] [blame] | 666 | const std::unique_ptr<HidlService> &service = servicePair.second; |
Steven Moreland | 76936fe | 2017-09-19 12:18:30 -0700 | [diff] [blame] | 667 | |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 668 | if (interfacesEqual(service->getService(), who.promote())) { |
Steven Moreland | 76936fe | 2017-09-19 12:18:30 -0700 | [diff] [blame] | 669 | if (restrictToInstanceName != nullptr && *restrictToInstanceName != instanceName) { |
| 670 | // We cannot remove all instances of this service, so we don't return that it |
| 671 | // has been entirely removed. |
| 672 | keepInstance = true; |
| 673 | continue; |
| 674 | } |
| 675 | |
Steven Moreland | cdf9472 | 2017-03-21 12:16:31 -0700 | [diff] [blame] | 676 | service->setService(nullptr, static_cast<pid_t>(IServiceManager::PidConstant::NO_PID)); |
Steven Moreland | 76936fe | 2017-09-19 12:18:30 -0700 | [diff] [blame] | 677 | removed = true; |
Martijn Coenen | 46847a6 | 2016-12-19 05:36:12 +0100 | [diff] [blame] | 678 | } |
| 679 | } |
| 680 | } |
Steven Moreland | 76936fe | 2017-09-19 12:18:30 -0700 | [diff] [blame] | 681 | |
| 682 | return !keepInstance && removed; |
Martijn Coenen | 46847a6 | 2016-12-19 05:36:12 +0100 | [diff] [blame] | 683 | } |
Yifan Hong | 83c49f6 | 2017-01-25 14:16:34 -0800 | [diff] [blame] | 684 | |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 685 | bool ServiceManager::removePackageListener(const wp<IBase>& who) { |
| 686 | bool found = false; |
| 687 | |
| 688 | for (auto &interfaceMapping : mServiceMap) { |
| 689 | found |= interfaceMapping.second.removePackageListener(who); |
| 690 | } |
| 691 | |
| 692 | return found; |
| 693 | } |
| 694 | |
| 695 | bool ServiceManager::removeServiceListener(const wp<IBase>& who) { |
| 696 | bool found = false; |
| 697 | for (auto &interfaceMapping : mServiceMap) { |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 698 | auto &packageInterfaceMap = interfaceMapping.second; |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 699 | |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 700 | found |= packageInterfaceMap.removeServiceListener(who); |
Martijn Coenen | 7fafc14 | 2017-03-06 16:17:51 +0100 | [diff] [blame] | 701 | } |
| 702 | return found; |
| 703 | } |
Steven Moreland | 6f4fbe1 | 2017-07-21 18:07:42 -0700 | [diff] [blame] | 704 | } // namespace implementation |
Steven Moreland | d83d110 | 2016-10-25 15:01:47 -0700 | [diff] [blame] | 705 | } // namespace manager |
| 706 | } // namespace hidl |
| 707 | } // namespace android |