Link Capacity Estimation - RIL support

Change-Id: I9c4d4901d823d719be2b8bdec64f08eda342de53

ril/libril/ril.cpp

@@ -300,6 +300,8 @@ static int responseHardwareConfig(Parcel &p, void *response, size_t responselen)
 static int responseDcRtInfo(Parcel &p, void *response, size_t responselen);
 static int responseRadioCapability(Parcel &p, void *response, size_t responselen);
 static int responseSSData(Parcel &p, void *response, size_t responselen);
+static int responseLceStatus(Parcel &p, void *response, size_t responselen);
+static int responseLceData(Parcel &p, void *response, size_t responselen);
 
 static int decodeVoiceRadioTechnology (RIL_RadioState radioState);
 static int decodeCdmaSubscriptionSource (RIL_RadioState radioState);
@@ -3740,6 +3742,59 @@ static int responseDcRtInfo(Parcel &p, void *response, size_t responselen)
     return 0;
 }
 
+static int responseLceStatus(Parcel &p, void *response, size_t responselen) {
+  if (response == NULL || responselen != sizeof(RIL_LceStatusInfo)) {
+    if (response == NULL) {
+      RLOGE("invalid response: NULL");
+    }
+    else {
+      RLOGE("responseLceStatus: invalid response length %d expecting len: d%",
+            sizeof(RIL_LceStatusInfo), responselen);
+    }
+    return RIL_ERRNO_INVALID_RESPONSE;
+  }
+
+  RIL_LceStatusInfo *p_cur = (RIL_LceStatusInfo *)response;
+  p.write((void *)p_cur, 1);  // p_cur->lce_status takes one byte.
+  p.writeInt32(p_cur->actual_interval_ms);
+
+  startResponse;
+  appendPrintBuf("LCE Status: %d, actual_interval_ms: %d",
+                 p_cur->lce_status, p_cur->actual_interval_ms);
+  closeResponse;
+
+  return 0;
+}
+
+static int responseLceData(Parcel &p, void *response, size_t responselen) {
+  if (response == NULL || responselen != sizeof(RIL_LceDataInfo)) {
+    if (response == NULL) {
+      RLOGE("invalid response: NULL");
+    }
+    else {
+      RLOGE("responseLceData: invalid response length %d expecting len: d%",
+            sizeof(RIL_LceDataInfo), responselen);
+    }
+    return RIL_ERRNO_INVALID_RESPONSE;
+  }
+
+  RIL_LceDataInfo *p_cur = (RIL_LceDataInfo *)response;
+  p.writeInt32(p_cur->last_hop_capacity_kbps);
+
+  /* p_cur->confidence_level and p_cur->lce_suspended take 1 byte each.*/
+  p.write((void *)&(p_cur->confidence_level), 1);
+  p.write((void *)&(p_cur->lce_suspended), 1);
+
+  startResponse;
+  appendPrintBuf("LCE info received: capacity %d confidence level %d
+                  and suspended %d",
+                  p_cur->last_hop_capacity_kbps, p_cur->confidence_level,
+                  p_cur->lce_suspended);
+  closeResponse;
+
+  return 0;
+}
+
 /**
  * A write on the wakeup fd is done just to pop us out of select()
  * We empty the buffer here and then ril_event will reset the timers on the

ril/libril/ril_commands.h

@@ -146,3 +146,6 @@
     {RIL_REQUEST_SHUTDOWN, dispatchVoid, responseVoid},
     {RIL_REQUEST_GET_RADIO_CAPABILITY, dispatchVoid, responseRadioCapability},
     {RIL_REQUEST_SET_RADIO_CAPABILITY, dispatchRadioCapability, responseRadioCapability},
+    {RIL_REQUEST_START_LCE, dispatchInts, responseLceStatus},
+    {RIL_REQUEST_STOP_LCE, dispatchVoid, responseLceStatus},
+    {RIL_REQUEST_PULL_LCEDATA, dispatchVoid, responseLceData},

ril/libril/ril_unsol_commands.h

@@ -59,3 +59,4 @@
     {RIL_UNSOL_RADIO_CAPABILITY, responseRadioCapability, WAKE_PARTIAL},
     {RIL_UNSOL_ON_SS, responseSSData, WAKE_PARTIAL},
     {RIL_UNSOL_STK_CC_ALPHA_NOTIFY, responseString, WAKE_PARTIAL},
+    {RIL_UNSOL_LCEDATA_RECV, responseLceData, WAKE_PARTIAL},