1 files changed, 267 insertions, 0 deletions
diff --git a/homescreen/src/homescreenconnect.cpp b/homescreen/src/homescreenconnect.cpp
new file mode 100644
index 0000000..19ccc08
--- /dev/null
+++ b/homescreen/src/homescreenconnect.cpp
@@ -0,0 +1,267 @@
+/*
+ * Copyright (c) 2017, 2018, 2019 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <QFileInfo>
+#include "homescreenconnect.h"
+#include <functional>
+#include <QProcess>
+#include <dirent.h>
+#include <stdio.h>
+#include <qstring.h>
+#include <thread>
+#include "hmi-debug.h"
+#include <unistd.h>
+#include <qdebug.h>
+
+static const char API[] = "alexa-voiceagent";
+static const char CARLACLIENTAPI[] = "carlaclient";
+const string vshl_core_event = "{\"events\": []}";
+const string vshl_core_refreshevent = "{\"refresh_token\": \"ws\"}";
+
+const std::vector<std::string> HomescreenConnect::event_lists {
+    std::string("alexa-voiceagent/voice_cbl_codepair_received_event"),
+};
+
+static void _on_hangup_static(void *closure, struct afb_wsj1 *wsj)
+{
+    static_cast<HomescreenConnect*>(closure)->on_hangup(NULL,wsj);
+}
+
+static void _on_call_static(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg)
+{
+    /* HomescreenConnect is not called from other process */
+}
+
+static void _on_event_static(void* closure, const char* event, struct afb_wsj1_msg *msg)
+{
+    static_cast<HomescreenConnect*>(closure)->on_event(NULL,event,msg);
+}
+
+static void _on_reply_static(void *closure, struct afb_wsj1_msg *msg)
+{
+    static_cast<HomescreenConnect*>(closure)->on_reply(NULL,msg);
+}
+
+static void event_loop_run(struct sd_event* loop){
+    sd_event_loop(loop);
+    sd_event_unref(loop);
+}
+
+HomescreenConnect::HomescreenConnect(QObject *parent) :
+    QObject(parent)
+{
+    timer = new QTimer(this);
+}
+
+HomescreenConnect::~HomescreenConnect()
+{
+    if(sp_websock != NULL)
+    {
+        afb_wsj1_unref(sp_websock);
+    }
+    if(mploop)
+    {
+        sd_event_exit(mploop, 0);
+    }
+}
+
+int HomescreenConnect::init(int port, const string& token)
+{
+    int ret = 0;
+
+    connect(timer,SIGNAL(timeout()),this,SLOT(subscribe()));
+    connect(this,SIGNAL(stopTimer()),this,SLOT(stopGetCode()));
+    if(port > 0 && token.size() > 0)
+    {
+        mport = port;
+        mtoken = token;
+    }
+    else
+    {
+        HMI_ERROR("HomescreenConnect","port and token should be > 0, Initial port and token uses.");
+    }
+
+    ret = initialize_websocket();
+    if(ret != 0 )
+    {
+        HMI_ERROR("HomescreenConnect","Failed to initialize websocket");
+    }
+    else{
+
+        HMI_DEBUG("HomescreenConnect","Initialized");
+        timer->setSingleShot(true);
+        timer->start(3000);
+    }
+
+    return ret;
+}
+
+int HomescreenConnect::initialize_websocket(void)
+{
+    HMI_DEBUG("HomescreenConnect"," initialize_websocket called");
+    mploop = NULL;
+    int ret = sd_event_new(&mploop);
+    if(ret < 0)
+    {
+        HMI_ERROR("HomescreenConnect","Failed to create event loop");
+        return -1;
+    }
+
+    {
+        // enforce context to avoid initialization/goto error
+        std::thread th(event_loop_run, mploop);
+        th.detach();
+    }
+
+    /* Initialize interface from websocket */
+    minterface.on_hangup = _on_hangup_static;
+    minterface.on_call = _on_call_static;
+    minterface.on_event = _on_event_static;
+    muri += "ws://localhost:" + to_string(mport) + "/api?token=" + mtoken; /*To be modified*/
+    sp_websock = afb_ws_client_connect_wsj1(mploop, muri.c_str(), &minterface, this);
+
+    if(sp_websock == NULL)
+    {
+        HMI_ERROR("HomescreenConnect","Failed to create websocket connection");
+       return -1;
+    }
+
+    return 0;
+}
+
+void HomescreenConnect::subscribe(void)
+{
+    HMI_DEBUG("HomescreenConnect"," subscribe called");
+    if(!sp_websock)
+    {
+        return;
+    }
+
+    json_object* j_obj = json_tokener_parse(vshl_core_event.c_str());
+
+    int ret = afb_wsj1_call_j(sp_websock, API, "subscribeToCBLEvents", j_obj, _on_reply_static, this);
+    if (ret < 0) {
+        HMI_ERROR("HomescreenConnect","Failed to call subscribeToCBLEvents verb");
+    }
+
+    json_object* j_obj1 = json_tokener_parse(vshl_core_refreshevent.c_str());
+    ret = afb_wsj1_call_j(sp_websock, API, "setRefreshToken", j_obj1, _on_reply_static, this);
+    if (ret < 0) {
+        HMI_ERROR("HomescreenConnect","Failed to call setRefreshToken verb");
+    }
+
+    HMI_DEBUG("HomescreenConnect"," subscribe OK");
+    return;
+}
+
+/************* Callback Function *************/
+
+void HomescreenConnect::on_hangup(void *closure, struct afb_wsj1 *wsj)
+{
+    HMI_DEBUG("HomescreenConnect"," on_hangup called");
+}
+
+void HomescreenConnect::on_call(void *closure, const char *api, const char *verb, struct afb_wsj1_msg *msg)
+{
+    HMI_DEBUG("HomescreenConnect"," on_call called");
+}
+
+/*
+* event is like "homescreen/hvac"
+* msg is like {"event":"homescreen\/hvac","data":{"type":"tap_shortcut"},"jtype":"afb-event"}
+* so you can get
+    event name : struct json_object obj = json_object_object_get(msg,"event")
+*/
+void HomescreenConnect::on_event(void *closure, const char *event, struct afb_wsj1_msg *msg)
+{
+    HMI_DEBUG("HomescreenConnect","on_event event: (%s) msg: (%s).", event, afb_wsj1_msg_object_s(msg));
+
+    if (strstr(event, API) == NULL) {
+        return;
+    }
+
+    struct json_object* ev_contents = afb_wsj1_msg_object_j(msg);
+    struct json_object *json_event_str;
+
+    if(!json_object_object_get_ex(ev_contents, "event", &json_event_str)) {
+        HMI_ERROR("HomescreenConnect", "got json_event_str error.");
+        return;
+    }
+     const char* eventinfo = json_object_get_string(json_event_str);
+    if(strcasecmp(eventinfo, HomescreenConnect::event_lists[0].c_str()) == 0){
+        struct json_object *json_data_str;
+        if(!json_object_object_get_ex(ev_contents, "data", &json_data_str)) {
+            HMI_ERROR("HomescreenConnect", "got json_data_str error.");
+            return;
+        }
+
+        struct json_object *json_payload;
+        if(!json_object_object_get_ex(json_data_str, "payload", &json_payload)) {
+            HMI_ERROR("HomescreenConnect", "got json_payload error.");
+            return;
+        }
+
+        struct json_object *json_code;
+        struct json_object *json_data = json_tokener_parse(json_object_get_string(json_payload));
+        const char* code = json_object_get_string(json_data);
+        QString str = QString::fromLocal8Bit(code);
+        const char* warnginfo = "Connectting to Alexa.";
+        int index = str.indexOf("\"code\"");
+        if( index != -1 ){
+            QString codestr1 = str.right(str.length()-index-7);
+            const QString pos = "\"";
+            int index1 = codestr1.indexOf(pos);
+            if( index1 != -1 ){
+                QString codestr2 = codestr1.right(codestr1.length()-index1-1);
+                QString codestr = codestr2.left(6);
+                emit showInformation(QString(QLatin1String(warnginfo)));
+                std::string str = codestr.toStdString();
+                if(send_code(str.c_str())){
+                     HMI_ERROR("HomescreenConnect", "send_code error.");
+                }
+                emit stopTimer();
+            }
+        }
+    }
+}
+
+int HomescreenConnect::send_code(const char *str)
+{
+    HMI_DEBUG("HomescreenConnect"," SendCode,%s",str);
+    struct json_object* obj = json_object_new_object();
+    json_object_object_add(obj, "amazon_code", json_object_new_string(str));
+
+    int ret = afb_wsj1_call_j(sp_websock, CARLACLIENTAPI, "set_amazon_code", obj, _on_reply_static, this);
+    if (ret < 0) {
+          HMI_ERROR("HomescreenConnect","Failed to call set_amazon_code verb");
+    }
+
+    return ret;
+}
+
+void HomescreenConnect::stopGetCode(void)
+{
+    timer->stop();
+}
+
+/**
+ * msg is like ({"response":{"verb":"subscribe","error":0},"jtype":"afb-reply","request":{"status":"success","info":"homescreen binder subscribe event name [on_screen_message]"}})
+ * msg is like ({"response":{"verb":"tap_shortcut","error":0},"jtype":"afb-reply","request":{"status":"success","info":"afb_event_push event [tap_shortcut]"}})
+ */
+void HomescreenConnect::on_reply(void *closure, struct afb_wsj1_msg *msg)
+{
+    HMI_DEBUG("HomescreenConnect"," on_reply called,%s",afb_wsj1_msg_object_s(msg));
+}