LowCanClient can set filter

Change-Id: I9464b631a5b36cdfeba28ebd146fce3f5ca7f879
Signed-off-by: Yuta Doi <yuta-d@witz-inc.co.jp>

2 files changed, 32 insertions, 3 deletions

diff --git a/src/low_can_client.cpp b/src/low_can_client.cpp
index 01a7340..a42e641 100644
--- a/src/low_can_client.cpp
+++ b/src/low_can_client.cpp
@@ -66,12 +66,20 @@ void LowCanClient::initialize() {
     // low-can subscribe { "event": "headlamp_status" }
     // low-can subscribe { "event": "parking_brake_status" }
     // low-can subscribe { "event": "accelerator.pedal.position" }
-    int num_event = this->kEventName_.size();
-    for (int i=0; i<num_event; i++) {
+    for (int i=SignalNoMin; i<=SignalNoMax; i++) {
+        // Set Event
         json_object *json_obj = json_object_new_object();
-        json_object_object_add(json_obj, "event", json_object_new_string(this->kEventName_[i]));
+        json_object_object_add(json_obj, "event",
+                               json_object_new_string(this->kEventName_[i]));
+
+        // Set filter
+        if (0 != strcmp("", this->kFilterValue_[i])) {
+            json_object_object_add(json_obj, "filter",
+                                   json_tokener_parse(this->kFilterValue_[i]));
+        }
         HMI_DEBUG("wm:lcc", "subscribe message:%s", json_object_get_string(json_obj));
 
+        // Subscribe
         json_object *json_result = json_object_new_object();
         ret = afb_service_call_sync("low-can", "subscribe", json_obj, &json_result);
         if (0 > ret) {
diff --git a/src/low_can_client.hpp b/src/low_can_client.hpp
index 2941e6e..5ba671e 100644
--- a/src/low_can_client.hpp
+++ b/src/low_can_client.hpp
@@ -49,6 +49,19 @@ private:
     LowCanClient(LowCanClient &&) = delete;
     LowCanClient &operator=(LowCanClient &&) = delete;
 
+    enum SignalNo {
+        SignalNoVehicliSpeed = 0,
+        SignalNoTransGearPos,
+        SignalNoHeadlame,
+        SignalNoParkingBrake,
+        SignalNoAccelPedalPos,
+
+        SignalNum,
+
+        SignalNoMin = SignalNoVehicliSpeed,
+        SignalNoMax = SignalNum - 1,
+    };
+
     const std::vector<const char*> kEventName_{
         "vehicle.speed",
         "transmission_gear_position",
@@ -57,6 +70,14 @@ private:
         "accelerator.pedal.position",
     };
 
+    const std::vector<const char*> kFilterValue_{
+        "",
+        "",
+        "",
+        "",
+        "", //"{ \"min\": 0, \"max\": 10}",
+    };
+
     int vehicle_speed_;
     int trans_gear_pos_;
     json_bool headlamp_status_;