whyred: Import gps from LA.UM.6.2.r2-03600-sdm660.0

gps/core/LocDualContext.cpp

@@ -0,0 +1,150 @@
+/* Copyright (c) 2011-2014, 2016-2017 The Linux Foundation. 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 Linux Foundation, 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 "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
+ *
+ */
+#define LOG_NDEBUG 0
+#define LOG_TAG "LocSvc_DualCtx"
+
+#include <cutils/sched_policy.h>
+#include <unistd.h>
+#include <LocDualContext.h>
+#include <msg_q.h>
+#include <platform_lib_log_util.h>
+#include <loc_log.h>
+
+namespace loc_core {
+
+// nothing exclude for foreground
+const LOC_API_ADAPTER_EVENT_MASK_T
+LocDualContext::mFgExclMask = 0;
+// excluded events for background clients
+const LOC_API_ADAPTER_EVENT_MASK_T
+LocDualContext::mBgExclMask =
+    (LOC_API_ADAPTER_BIT_SATELLITE_REPORT |
+     LOC_API_ADAPTER_BIT_NMEA_1HZ_REPORT |
+     LOC_API_ADAPTER_BIT_NMEA_POSITION_REPORT |
+     LOC_API_ADAPTER_BIT_IOCTL_REPORT |
+     LOC_API_ADAPTER_BIT_STATUS_REPORT |
+     LOC_API_ADAPTER_BIT_GEOFENCE_GEN_ALERT |
+     LOC_API_ADAPTER_BIT_GNSS_MEASUREMENT);
+
+const MsgTask* LocDualContext::mMsgTask = NULL;
+ContextBase* LocDualContext::mFgContext = NULL;
+ContextBase* LocDualContext::mBgContext = NULL;
+ContextBase* LocDualContext::mInjectContext = NULL;
+// the name must be shorter than 15 chars
+const char* LocDualContext::mLocationHalName = "Loc_hal_worker";
+#ifndef USE_GLIB
+const char* LocDualContext::mLBSLibName = "liblbs_core.so";
+#else
+const char* LocDualContext::mLBSLibName = "liblbs_core.so.1";
+#endif
+
+pthread_mutex_t LocDualContext::mGetLocContextMutex = PTHREAD_MUTEX_INITIALIZER;
+
+const MsgTask* LocDualContext::getMsgTask(LocThread::tCreate tCreator,
+                                          const char* name, bool joinable)
+{
+    if (NULL == mMsgTask) {
+        mMsgTask = new MsgTask(tCreator, name, joinable);
+    }
+    return mMsgTask;
+}
+
+inline
+const MsgTask* LocDualContext::getMsgTask(const char* name, bool joinable) {
+    return getMsgTask((LocThread::tCreate)NULL, name, joinable);
+}
+
+ContextBase* LocDualContext::getLocFgContext(LocThread::tCreate tCreator,
+            LocMsg* firstMsg, const char* name, bool joinable)
+{
+    pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
+    LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
+    if (NULL == mFgContext) {
+        LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
+        const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
+        mFgContext = new LocDualContext(msgTask,
+                                        mFgExclMask);
+    }
+    if(NULL == mInjectContext) {
+        LOC_LOGD("%s:%d]: mInjectContext is FgContext", __func__, __LINE__);
+        mInjectContext = mFgContext;
+        injectFeatureConfig(mInjectContext);
+    }
+    pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
+
+    if (firstMsg) {
+        mFgContext->sendMsg(firstMsg);
+    }
+
+    return mFgContext;
+}
+
+ContextBase* LocDualContext::getLocBgContext(LocThread::tCreate tCreator,
+            LocMsg* firstMsg, const char* name, bool joinable)
+{
+    pthread_mutex_lock(&LocDualContext::mGetLocContextMutex);
+    LOC_LOGD("%s:%d]: querying ContextBase with tCreator", __func__, __LINE__);
+    if (NULL == mBgContext) {
+        LOC_LOGD("%s:%d]: creating msgTask with tCreator", __func__, __LINE__);
+        const MsgTask* msgTask = getMsgTask(tCreator, name, joinable);
+        mBgContext = new LocDualContext(msgTask,
+                                        mBgExclMask);
+    }
+    if(NULL == mInjectContext) {
+        LOC_LOGD("%s:%d]: mInjectContext is BgContext", __func__, __LINE__);
+        mInjectContext = mBgContext;
+        injectFeatureConfig(mInjectContext);
+    }
+    pthread_mutex_unlock(&LocDualContext::mGetLocContextMutex);
+
+    if (firstMsg) {
+        mBgContext->sendMsg(firstMsg);
+    }
+
+    return mBgContext;
+}
+
+void LocDualContext :: injectFeatureConfig(ContextBase *curContext)
+{
+    LOC_LOGD("%s:%d]: Enter", __func__, __LINE__);
+    if(curContext == mInjectContext) {
+        LOC_LOGD("%s:%d]: Calling LBSProxy (%p) to inject feature config",
+                 __func__, __LINE__, ((LocDualContext *)mInjectContext)->mLBSProxy);
+        ((LocDualContext *)mInjectContext)->mLBSProxy->injectFeatureConfig(curContext);
+    }
+    LOC_LOGD("%s:%d]: Exit", __func__, __LINE__);
+}
+
+LocDualContext::LocDualContext(const MsgTask* msgTask,
+                               LOC_API_ADAPTER_EVENT_MASK_T exMask) :
+    ContextBase(msgTask, exMask, mLBSLibName)
+{
+}
+
+}