fix handshake bug
[apps/agl-service-homescreen.git] / src / homescreen.cpp
index 10cc9bc..d63d5aa 100644 (file)
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE
 #endif
+#include <unistd.h>
 #include <memory>
 #include <algorithm>
+#include <unordered_map>
+#include <list>
 #include "hs-helper.h"
-#include "hmi-debug.h"
 #include "hs-clientmanager.h"
 #include "hs-appinfo.h"
+#include "hs-config.h"
+#include "hs-apprecover.h"
+
 
 
 const char _error[] = "error";
@@ -32,14 +37,127 @@ const char _reply_message[] = "reply_message";
 const char _keyData[] = "data";
 const char _keyId[] = "id";
 
-struct hs_instance {
-  HS_ClientManager *client_manager;   // the connection session manager
-  HS_AppInfo *app_info;               // application info
+struct hs_handshake {
+    hs_handshake(int times, int sleep) : m_times(times), m_sleep(sleep) {}
+    int start(afb_api_t api) const;
+
+    enum HandshakeStatus {
+        Handshake_Idle = 0,
+        Handshake_Subscribing,
+        Handshake_Subscribe_Fail,
+        Handshake_WaitEvent,
+        Handshake_Over
+    };
+    static int hs_sts;
+
+private:
+    const std::string sub_event = "windowmanager/handshake";
+    const int m_times;
+    const int m_sleep;
+};
+
+int hs_handshake::hs_sts = hs_handshake::Handshake_Idle;
+
+/**
+ * handshake callback function
+ *
+ * #### Parameters
+ * - obj : reply json object
+ * - error : api_call error
+ * - info : api_call information
+ *
+ * #### Return
+ * None
+ *
+ */
+void handshake_subscribe_callback(struct json_object *obj, const char *error, const char *info)
+{
+    AFB_NOTICE("subscribe handshake reply: obj=%s, error=%s, info=%s", json_object_to_json_string(obj), error, info);
+    if(hs_handshake::hs_sts == hs_handshake::Handshake_Over) {
+        return;
+    }
+    if(error == nullptr) {
+        hs_handshake::hs_sts =  hs_handshake::Handshake_WaitEvent;
+    }
+    else {
+        hs_handshake::hs_sts =  hs_handshake::Handshake_Subscribe_Fail;
+    }
+}
+
+/**
+ * handshake event function
+ *
+ * #### Parameters
+ * - api : the api
+ * - event : received event name
+ * - object : received json object
+ *
+ * #### Return
+ * 0 : event can transfer to others
+ * 1 : event not transfer to others
+ */
+int on_handshake_event(afb_api_t api, const char *event, struct json_object *object)
+{
+    AFB_NOTICE("received handshake event from windowmanager.");
+    hs_handshake::hs_sts =  hs_handshake::Handshake_Over;
+    return 1;
+}
+
+/**
+ * start handshake function
+ *
+ * #### Parameters
+ * - api : the api
+ *
+ * #### Return
+ * None
+ * 0 : handshake success
+ * -1 : handshake fail
+ * 
+ */
+int hs_handshake::start(afb_api_t api) const
+{
+    AFB_NOTICE("start handshake with windowmanager.");
+    int ret = -1;
+    setEventHook(sub_event.c_str(), on_handshake_event);
+    int count = 0;
+    do {
+        // try to subscribe handshake event
+        if(hs_handshake::hs_sts == hs_handshake::Handshake_Idle
+        || hs_handshake::hs_sts == hs_handshake::Handshake_Subscribe_Fail) {
+            hs_handshake::hs_sts = Handshake_Subscribing;
+            HS_WmProxy wm_proxy;
+            wm_proxy.subscribe(api, HS_WmProxy::Event_Handshake, handshake_subscribe_callback);
+        }
 
-  hs_instance() : client_manager(HS_ClientManager::instance()), app_info(HS_AppInfo::instance()) {}
-  int init(afb_api_t api);
+        // wait handshake event
+        if(hs_handshake::hs_sts == hs_handshake::Handshake_Over) {
+            ret = 0;
+            break;
+        }
+
+        ++count;
+        usleep(m_sleep*1000);
+    } while(count < m_times);
+
+    return ret;
+}
+
+struct hs_instance {
+    HS_ClientManager *client_manager;   // the connection session manager
+    HS_AppInfo *app_info;               // application info
+    HS_AppRecover *app_recover;
+
+    hs_instance() : client_manager(HS_ClientManager::instance()), app_info(HS_AppInfo::instance()), app_recover(HS_AppRecover::instance()) {}
+    int init(afb_api_t api);
+    void setEventHook(const char *event, const event_hook_func f);
+    void onEvent(afb_api_t api, const char *event, struct json_object *object);
+private:
+    std::unordered_map<std::string, std::list<event_hook_func>> event_hook_list;
 };
 
+static struct hs_instance *g_hs_instance;
+
 /**
  * init function
  *
@@ -54,21 +172,111 @@ struct hs_instance {
 int hs_instance::init(afb_api_t api)
 {
     if(client_manager == nullptr) {
-        HMI_ERROR("homescreen-service","FATAL ERROR: client_manager is nullptr.");
+        AFB_ERROR("client_manager is nullptr.");
         return -1;
     }
     client_manager->init();
 
     if(app_info == nullptr) {
-        HMI_ERROR("homescreen-service","FATAL ERROR: app_info is nullptr.");
+        AFB_ERROR("app_info is nullptr.");
         return -1;
     }
     app_info->init(api);
 
+    HS_Config hs_config;
+    if(hs_config.readConfig() < 0) {
+        AFB_ERROR("read config file failed.");
+        return -1;
+    }
+
+    const struct handshake_info *h = hs_config.getHandshakeInfo();
+    struct hs_handshake handshake(h->times, h->sleep);
+    if(handshake.start(api) < 0) {
+        AFB_ERROR("handshake with windowmanager failed.");
+        return -1;
+    }
+
+    if(app_recover == nullptr) {
+        AFB_ERROR("app_recover is nullptr.");
+        return -1;
+    }
+    app_recover->init(api);
+    app_recover->startRecovery(api, hs_config.getRecoverMap());
+
     return 0;
 }
 
-static struct hs_instance *g_hs_instance;
+/**
+ * set event hook
+ *
+ * #### Parameters
+ *  - event  : event name
+ *  - f : hook function
+ *
+ * #### Return
+ * Nothing
+ */
+void hs_instance::setEventHook(const char *event, const event_hook_func f)
+{
+    if(event == nullptr || f == nullptr) {
+        AFB_WARNING("argument is null.");
+        return;
+    }
+
+    std::string ev(event);
+    auto it = event_hook_list.find(ev);
+    if(it != event_hook_list.end()) {
+        it->second.push_back(f);
+    }
+    else {
+        std::list<event_hook_func> l;
+        l.push_back(f);
+        event_hook_list[ev] = std::move(l);
+    }
+}
+
+/**
+ * onEvent function
+ *
+ * #### Parameters
+ *  - api : the api serving the request
+ *  - event  : event name
+ *  - object : event json object
+ *
+ * #### Return
+ * Nothing
+ */
+void hs_instance::onEvent(afb_api_t api, const char *event, struct json_object *object)
+{
+    std::string ev(event);
+    auto it = event_hook_list.find(ev);
+    if(it != event_hook_list.end()) {
+        for(auto &ref : it->second) {
+            if(ref(api, event, object))
+                break;
+        }
+    }
+}
+
+/**
+ * set event hook
+ *
+ * #### Parameters
+ *  - event  : event name
+ *  - f : hook function pointer
+ *
+ * #### Return
+ * Nothing
+ */
+void setEventHook(const char *event, const event_hook_func f)
+{
+    if(g_hs_instance == nullptr) {
+        AFB_ERROR("g_hs_instance is null.");
+        return;
+    }
+
+    g_hs_instance->setEventHook(event, f);
+}
 
 /*
 ********** Method of HomeScreen Service (API) **********
@@ -78,7 +286,7 @@ static void pingSample(afb_req_t request)
 {
    static int pingcount = 0;
    afb_req_success_f(request, json_object_new_int(pingcount), "Ping count = %d", pingcount);
-   HMI_NOTICE("homescreen-service","Verbosity macro at level notice invoked at ping invocation count = %d", pingcount);
+   AFB_DEBUG("Verbosity macro at level notice invoked at ping invocation count = %d", pingcount);
    pingcount++;
 }
 
@@ -96,16 +304,17 @@ static void pingSample(afb_req_t request)
  */
 static void tap_shortcut (afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = 0;
     const char* value = afb_req_value(request, _application_id);
     if (value) {
-        HMI_NOTICE("homescreen-service","request appid = %s.", value);
+        AFB_INFO("request appid = %s.", value);
         ret = g_hs_instance->client_manager->handleRequest(request, __FUNCTION__, value);
         if(ret == AFB_REQ_NOT_STARTED_APPLICATION) {
+            g_hs_instance->client_manager->setStartupAppid(std::string(value));
             std::string id = g_hs_instance->app_info->getAppProperty(value, _keyId);
             HS_AfmMainProxy afm_proxy;
-            afm_proxy.start(request, id);
+            afm_proxy.start(request->api, id);
             ret = 0;
         }
     }
@@ -137,7 +346,7 @@ static void tap_shortcut (afb_req_t request)
  */
 static void on_screen_message (afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = g_hs_instance->client_manager->handleRequest(request, __FUNCTION__);
     if (ret) {
         afb_req_fail_f(request, "failed", "called %s, Unknown parameter", __FUNCTION__);
@@ -163,7 +372,7 @@ static void on_screen_message (afb_req_t request)
  */
 static void on_screen_reply (afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = g_hs_instance->client_manager->handleRequest(request, __FUNCTION__);
     if (ret) {
         afb_req_fail_f(request, "failed", "called %s, Unknown parameter", __FUNCTION__);
@@ -188,7 +397,7 @@ static void on_screen_reply (afb_req_t request)
  */
 static void subscribe(afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = 0;
     std::string req_appid = std::move(get_application_id(request));
     if(!req_appid.empty()) {
@@ -221,7 +430,7 @@ static void subscribe(afb_req_t request)
  */
 static void unsubscribe(afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = 0;
     std::string req_appid = std::move(get_application_id(request));
     if(!req_appid.empty()) {
@@ -254,15 +463,16 @@ static void unsubscribe(afb_req_t request)
  */
 static void showWindow(afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = 0;
     const char* value = afb_req_value(request, _application_id);
     if (value) {
         ret = g_hs_instance->client_manager->handleRequest(request, __FUNCTION__, value);
         if(ret == AFB_REQ_NOT_STARTED_APPLICATION) {
+            g_hs_instance->client_manager->setStartupAppid(std::string(value));
             std::string id = g_hs_instance->app_info->getAppProperty(value, _keyId);
             HS_AfmMainProxy afm_proxy;
-            afm_proxy.start(request, id);
+            afm_proxy.start(request->api, id);
             ret = 0;
         }
     }
@@ -293,7 +503,7 @@ static void showWindow(afb_req_t request)
  */
 static void hideWindow(afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = 0;
     const char* value = afb_req_value(request, _application_id);
     if (value) {
@@ -326,7 +536,7 @@ static void hideWindow(afb_req_t request)
  */
 static void replyShowWindow(afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = 0;
     const char* value = afb_req_value(request, _application_id);
     if (value) {
@@ -361,7 +571,7 @@ static void replyShowWindow(afb_req_t request)
  */
 static void showNotification(afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = g_hs_instance->client_manager->handleRequest(request, __FUNCTION__, "homescreen");
     if (ret) {
         afb_req_fail_f(request, "failed", "called %s, Unknown parameter", __FUNCTION__);
@@ -388,7 +598,7 @@ static void showNotification(afb_req_t request)
  */
 static void showInformation(afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     int ret = g_hs_instance->client_manager->handleRequest(request,  __FUNCTION__, "homescreen");
     if (ret) {
         afb_req_fail_f(request, "failed", "called %s, Unknown parameter", __FUNCTION__);
@@ -413,7 +623,7 @@ static void showInformation(afb_req_t request)
  */
 static void getRunnables(afb_req_t request)
 {
-    HMI_NOTICE("homescreen-service","called.");
+    AFB_DEBUG("called.");
     struct json_object* j_runnable = json_object_new_array();
     g_hs_instance->app_info->getRunnables(&j_runnable);
 
@@ -456,8 +666,8 @@ static const afb_verb_t verbs[]= {
  */
 static int preinit(afb_api_t api)
 {
-   HMI_NOTICE("homescreen-service","binding preinit (was register)");
-   return 0;
+    AFB_DEBUG("binding preinit (was register)");
+    return 0;
 }
 
 /**
@@ -472,18 +682,19 @@ static int preinit(afb_api_t api)
  */
 static int init(afb_api_t api)
 {
-    HMI_NOTICE("homescreen-service","binding init");
+    AFB_DEBUG("binding init");
 
     if(g_hs_instance != nullptr) {
-        HMI_WARNING("homescreen-service", "g_hs_instance isn't null.");
+        AFB_WARNING( "g_hs_instance isn't null.");
         delete g_hs_instance->client_manager;
         delete g_hs_instance->app_info;
+        delete g_hs_instance->app_recover;
         delete g_hs_instance;
         g_hs_instance = nullptr;
     }
     g_hs_instance = new hs_instance();
     if(g_hs_instance == nullptr) {
-        HMI_ERROR("homescreen-service", "Fatal Error: new g_hs_instance failed.");
+        AFB_ERROR( "Fatal Error: new g_hs_instance failed.");
         return -1;
     }
 
@@ -504,8 +715,8 @@ static int init(afb_api_t api)
  */
 static void onevent(afb_api_t api, const char *event, struct json_object *object)
 {
-    HMI_NOTICE("homescreen-service","on_event %s", event);
-    g_hs_instance->app_info->onEvent(api, event, object);
+    AFB_INFO("on_event %s", event);
+    g_hs_instance->onEvent(api, event, object);
 }
 
 const afb_binding_t afbBindingExport = {