Rework: Block the sequence

Todo:
* emit error event
** decide error format
* rework release WR

Change-Id: Id96fa629aff984aa03ed68f1d3db711bb43ba77b
Signed-off-by: Kazumasa Mitsunari <knimitz@witz-inc.co.jp>

4 files changed, 202 insertions, 132 deletions

diff --git a/src/app.cpp b/src/app.cpp
index 7462c99..e64b248 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -122,9 +122,14 @@ processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
 
 void App::timerHandler()
 {
-    // TODO: write reset process
     unsigned seq = app_list.currentSequenceNumber();
+    HMI_SEQ_DEBUG(seq, "Timer expired remove Request");
     app_list.removeRequest(seq);
+    app_list.next();
+    if (app_list.haveRequest())
+    {
+        this->process_request();
+    }
 }
 
 /**
@@ -400,29 +405,13 @@ void App::layout_commit()
     this->display->flush();
 }
 
-void App::do_allocate_window_resource(unsigned sequence_number)
-{
-    do
-    {
-        // TODO: Tasks will be changed according to policy manager result
-        // do task(onTransition (activate))
-    } while (!app_list.requestFinished());
-
-    // lm_.updateLayout(jobj);
-    // TODO: emit syncDraw with application
-    do
-    {
-        //client->emit_syncdraw(role);
-    } while (!app_list.requestFinished());
-
-    // is the below necessary?
-    //app_list.setAllocated(sequence_number);
-
+void App::set_timer(){
+    HMI_SEQ_DEBUG(app_list.currentSequenceNumber(), "Timer set activate");
     if (timer_ev_src != nullptr)
     {
         // firsttime set into sd_event
         int ret = sd_event_add_time(afb_daemon_get_event_loop(), &timer_ev_src,
-                                    CLOCK_BOOTTIME, time(NULL) + TIME_OUT, 0, processTimerHandler, this);
+                                    CLOCK_REALTIME, time(NULL) + TIME_OUT, 0, processTimerHandler, this);
         if (ret < 0)
         {
             HMI_ERROR("wm", "Can't set timer");
@@ -436,54 +425,13 @@ void App::do_allocate_window_resource(unsigned sequence_number)
     }
 }
 
-void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
+bool App::do_allocate_window_resource(unsigned request_seq)
 {
-    ST();
-
-    /*
-   * Check Phase
-   */
-
-    auto const &surface_id = this->lookup_id(drawing_name);
-    std::string id = appid;
-    std::string role = drawing_name;
-    std::string area = drawing_area;
-
-    if(!app_list.contains(id)){
-        reply("app doesn't request 'requestSurface' yet");
-        return;
-    }
-
-    auto client = app_list.lookUpClient(id);
-
-    /*
-   * Queueing Phase
-   */
-    unsigned current = app_list.currentSequenceNumber();
-    unsigned requested_num = app_list.getSequenceNumber(id);
-    if (requested_num != 0)
-    {
-        HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
-        reply("already requested");
-        return;
-    }
-
-    WMRequest req = WMRequest(id, role, area, Task::TASK_ALLOCATE);
-    unsigned new_req = app_list.addAllocateRequest(req);
-
-    HMI_SEQ_DEBUG(new_req, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
-
-    if (new_req != current)
-    {
-        // Add request, then invoked after the previous task is finished
-        HMI_SEQ_DEBUG(new_req, "request is accepted");
-        reply(nullptr);
-        return;
-    }
-
     /*
     * Check Policy
     */
+   // get current trigger
+    auto trigger = app_list.getRequest(request_seq);
 
     // json_object* newState = checkPolicy(role);
     /* The following error check is not necessary because main.cpp will reject the message form not registered object
@@ -491,53 +439,31 @@ void App::api_activate_surface(char const *appid, char const *drawing_name, char
        reply("client is not registered");
        return;
    } */
+    HMI_SEQ_NOTICE(request_seq, "ATM, Policy manager does't exist, then set WMAction as is");
 
-    // get surfaceID from role
-    /* auto const &surface_id_tmp = client->surfaceID(role);
-   auto const &layer_id_tmp = client->layerID();
+    bool ret = app_list.setAction(request_seq, trigger.appid, trigger.role, trigger.area);
 
-   if(!surface_id_tmp && !layer_id_tmp){
-       reply("invalid window manager client");
-       HMI_DEBUG("appid:%s, requested_role:%s, surfaceID:%d in layer %d",
-          appid, role, surface_id_tmp, layer_id_tmp);
-   } */
+    app_list.req_dump();
+    // TODO: Tasks will be changed according to policy manager result
+    // do task(onTransition (activate))
 
-    /*
-    * Do allocate tasks
-    */
-    this->do_allocate_window_resource(new_req);
-
-    if (!surface_id)
-    {
-        reply("Surface does not exist");
-        return;
-    }
+    // lm_.updateLayout(jobj);
+    // TODO: emit syncDraw with application
 
-    if (!this->controller->surface_exists(*surface_id))
-    {
-        reply("Surface does not exist in controller!");
-        return;
+    //client->emit_syncdraw(role);
+    if (ret) {
+        this->set_timer();
+    } else {
+        //this->emit_error(request_seq, 0 /*error_num*/, "error happens"); // test
     }
+    return ret;
+}
 
+void App::lm_layout_change(unsigned req, const char* drawing_name)
+{
+    auto const &surface_id = this->lookup_id(drawing_name);
     auto layer_id = this->layers.get_layer_id(*surface_id);
-
-    if (!layer_id)
-    {
-        reply("Surface is not on any layer!");
-        return;
-    }
-
     auto o_state = *this->layers.get_layout_state(*surface_id);
-
-    if (o_state == nullptr)
-    {
-        reply("Could not find layer for surface");
-        return;
-    }
-
-    HMI_DEBUG("wm", "surface %d is detected", *surface_id);
-    reply(nullptr);
-
     struct LayoutState &state = *o_state;
 
     // disable layers that are above our current layer
@@ -678,6 +604,106 @@ void App::api_activate_surface(char const *appid, char const *drawing_name, char
     }
 }
 
+const char* App::check_surface_exist(unsigned req, const char* drawing_name)
+{
+    auto const &surface_id = this->lookup_id(drawing_name);
+    if (!surface_id)
+    {
+        //reply("Surface does not exist");
+        return "Surface does not exist";
+    }
+
+    if (!this->controller->surface_exists(*surface_id))
+    {
+        //reply("Surface does not exist in controller!");
+        return "Surface does not exist in controller!";
+    }
+
+    auto layer_id = this->layers.get_layer_id(*surface_id);
+
+    if (!layer_id)
+    {
+        //reply("Surface is not on any layer!");
+        return "Surface is not on any layer!";
+    }
+
+    auto o_state = *this->layers.get_layout_state(*surface_id);
+
+    if (o_state == nullptr)
+    {
+        //reply("Could not find layer for surface");
+        return "Could not find layer for surface";
+    }
+
+    HMI_DEBUG("wm", "surface %d is detected", *surface_id);
+    return nullptr;
+    //reply(nullptr);
+}
+
+void App::api_activate_surface(char const *appid, char const *drawing_name, char const *drawing_area, const reply_func &reply)
+{
+    ST();
+
+    /*
+   * Check Phase
+   */
+
+    std::string id = appid;
+    std::string role = drawing_name;
+    std::string area = drawing_area;
+
+    if(!app_list.contains(id)){
+        reply("app doesn't request 'requestSurface' yet");
+        return;
+    }
+
+    auto client = app_list.lookUpClient(id);
+
+    /*
+   * Queueing Phase
+   */
+    unsigned current = app_list.currentSequenceNumber();
+    unsigned requested_num = app_list.getSequenceNumber(id);
+    if (requested_num != 0)
+    {
+        HMI_SEQ_INFO(requested_num, "%s %s %s request is already queued", id.c_str(), role.c_str(), area.c_str());
+        reply("already requested");
+        return;
+    }
+
+    WMRequest req = WMRequest(id, role, area, Task::TASK_ALLOCATE);
+    unsigned new_req = app_list.addAllocateRequest(req);
+    app_list.req_dump();
+
+    HMI_SEQ_DEBUG(current, "%s start sequence with %s, %s", id.c_str(), role.c_str(), area.c_str());
+
+    if (new_req != current)
+    {
+        // Add request, then invoked after the previous task is finished
+        HMI_SEQ_DEBUG(new_req, "request is accepted");
+        reply(nullptr);
+        return;
+    }
+
+    /*
+    * Do allocate tasks
+    */
+    bool ret = this->do_allocate_window_resource(new_req);
+
+    // layer manager task
+    const char* msg = this->check_surface_exist(new_req, drawing_name); // this function will be integrated in do_allocate_window_resource()
+
+    if(msg){
+        HMI_SEQ_DEBUG(new_req,"surface doesn't exist");
+        reply(msg);
+        app_list.removeRequest(new_req);
+        return;
+    }
+    this->lm_layout_change(new_req, drawing_name); // this function will be integrated in do_allocate_window_resource()
+
+    reply(nullptr);
+}
+
 void App::api_deactivate_surface(char const *appid, char const *drawing_name, const reply_func &reply)
 {
     ST();
@@ -805,25 +831,46 @@ void App::check_flushdraw(int surface_id)
     }
 }
 
-void App::do_enddraw(unsigned sequence_number)
-{
-    HMI_SEQ_INFO(sequence_number, "do endDraw");
-    do
+void App::lm_enddraw(const char* drawing_name){
+    HMI_DEBUG("wm", "end draw %s", drawing_name);
+    for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
     {
-        // make visible application
-    } while (!app_list.requestFinished());
+        auto n = this->lookup_name(this->pending_end_draw[i]);
+        if (n && *n == drawing_name)
+        {
+            std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
+            this->pending_end_draw.resize(iend - 1);
+            this->activate(this->pending_end_draw[i]);
+            this->emit_flushdraw(drawing_name);
+        }
+    }
+}
+
+void App::do_enddraw(unsigned request_seq)
+{
+    // get actions
+    auto actions = app_list.getActions(request_seq);
+    HMI_SEQ_INFO(request_seq, "do endDraw");
 
-    HMI_SEQ_INFO(sequence_number, "emit flushDraw");
-    do
+    for(const auto& act : actions){
+        HMI_SEQ_DEBUG(request_seq, "visible %s", act.role.c_str());
+        this->lm_enddraw(act.role.c_str());
+    }
+
+    HMI_SEQ_INFO(request_seq, "emit flushDraw");
+/*     do
     {
         // emit flush Draw
         //emitFlushDrawToAll(&app_list, request_seq);
         // emit status change event
-    } while (!app_list.requestFinished());
+    } while (!app_list.requestFinished());*/
 }
 
 void App::process_request()
 {
+    unsigned req = app_list.currentSequenceNumber();
+    HMI_SEQ_DEBUG(req, "Do next request");
+    do_allocate_window_resource(req);
 }
 
 void App::api_enddraw(char const *appid, char const *drawing_name)
@@ -832,6 +879,7 @@ void App::api_enddraw(char const *appid, char const *drawing_name)
     std::string role(drawing_name);
     unsigned current_seq = app_list.currentSequenceNumber();
     bool result = app_list.setEndDrawFinished(current_seq, id, role);
+
     if (!result)
     {
         HMI_ERROR("wm", "%s doesn't have Window Resource", id.c_str());
@@ -841,9 +889,11 @@ void App::api_enddraw(char const *appid, char const *drawing_name)
     if (app_list.endDrawFullfilled(current_seq))
     {
         // do task for endDraw
+        //this->stop_timer();
         this->do_enddraw(current_seq);
+
         app_list.removeRequest(current_seq);
-        HMI_SEQ_INFO(current_seq, "Finish sequence");
+        HMI_SEQ_INFO(current_seq, "Finish request");
         app_list.next();
         if (app_list.haveRequest())
         {
@@ -855,17 +905,6 @@ void App::api_enddraw(char const *appid, char const *drawing_name)
         HMI_SEQ_INFO(current_seq, "Wait other App call endDraw");
         return;
     }
-    for (unsigned i = 0, iend = this->pending_end_draw.size(); i < iend; i++)
-    {
-        auto n = this->lookup_name(this->pending_end_draw[i]);
-        if (n && *n == drawing_name)
-        {
-            std::swap(this->pending_end_draw[i], this->pending_end_draw[iend - 1]);
-            this->pending_end_draw.resize(iend - 1);
-            this->activate(this->pending_end_draw[i]);
-            this->emit_flushdraw(drawing_name);
-        }
-    }
 }
 
 void App::api_ping() { this->dispatch_pending_events(); }
diff --git a/src/app.hpp b/src/app.hpp
index b25f568..1950680 100644
--- a/src/app.hpp
+++ b/src/app.hpp
@@ -243,9 +243,10 @@ struct App {
    void emit_invisible(char const *label);
    void emit_visible(char const *label);
 
-   void do_allocate_window_resource(unsigned sequence_number);
+   bool do_allocate_window_resource(unsigned sequence_number);
    void do_enddraw(unsigned sequence_number);
    void process_request();
+   void set_timer();
 
    void activate(int id);
    void deactivate(int id);
@@ -255,6 +256,12 @@ struct App {
    void try_layout(struct LayoutState &state,
                    struct LayoutState const &new_layout,
                    std::function<void(LayoutState const &nl)> apply);
+
+   // The following function is temporary.
+   // Then will be removed when layermanager is finished
+   void lm_layout_change(unsigned req, const char* drawing_name);
+   void lm_enddraw(const char* drawing_name);
+   const char *check_surface_exist(unsigned req, const char *drawing_name);
 };
 
 }  // namespace wm
diff --git a/src/applist.cpp b/src/applist.cpp
index be88977..36c5917 100644
--- a/src/applist.cpp
+++ b/src/applist.cpp
@@ -21,6 +21,7 @@
 using std::shared_ptr;
 using std::string;
 using std::unique_ptr;
+using std::vector;
 
 namespace wm {
 
@@ -81,19 +82,39 @@ unsigned AppList::getSequenceNumber(const string &appid){
 
 unsigned AppList::addAllocateRequest(WMRequest req){
     if(req_list.size() == 0){
-        req.seq_num = 1;
+        req.seq_num = current_seq;
     }
     else{
+        HMI_SEQ_DEBUG(current_seq, "real: %d", req_list.back().seq_num + 1);
         req.seq_num = req_list.back().seq_num + 1;
     }
     req_list.push_back(req);
-    return req.seq_num;
+    return req.seq_num; // return 1; if you test time_expire
 }
 
 bool AppList::requestFinished(){
     return req_list.empty();
 }
 
+struct WMTrigger AppList::getRequest(unsigned request_seq){
+    for(auto& x : req_list){
+        if (request_seq == x.seq_num)
+        {
+            return x.trigger;
+        }
+    }
+}
+
+const vector<struct WMAction>& AppList::getActions(unsigned request_seq){
+    for (auto &x : req_list)
+    {
+        if (request_seq == x.seq_num)
+        {
+            return x.sync_draw_req;
+        }
+    }
+}
+
 bool AppList::setAction(unsigned request_seq, const string &appid, const string &role, const string &area){
     bool result = false;
     for (auto& x : req_list)
@@ -190,9 +211,9 @@ void AppList::client_dump(){
 void AppList::req_dump()
 {
     DUMP("======= req dump =====");
-    DUMP("current sequence: %d", current_seq);
+    DUMP("current request : %d", current_seq);
     for(const auto& x : req_list){
-        DUMP("sequence number: %d", x.seq_num);
+        DUMP("requested with  : %d", x.seq_num);
         DUMP("Trigger : (APPID :%s, ROLE :%s, AREA :%s, TASK: %d)",
              x.trigger.appid.c_str(),
              x.trigger.role.c_str(),
@@ -201,7 +222,7 @@ void AppList::req_dump()
 
         for (const auto& y : x.sync_draw_req){
             DUMP(
-                "Action : (APPID :%s, ROLE :%s, AREA :%s, END_RAW_FINISHED: %d)",
+                "Action  : (APPID :%s, ROLE :%s, AREA :%s, END_DRAW_FINISHED: %d)",
                 y.appid.c_str(),
                 y.role.c_str(),
                 y.area.c_str(),
diff --git a/src/applist.hpp b/src/applist.hpp
index 5da91cf..f91e7c8 100644
--- a/src/applist.hpp
+++ b/src/applist.hpp
@@ -33,7 +33,7 @@ typedef enum Task{
     TASK_RELEASE
 }ResourceTask;
 
-struct WMTriger {
+struct WMTrigger {
     std::string appid;
     std::string role;
     std::string area;
@@ -57,7 +57,7 @@ struct WMRequest
     WMRequest(const WMRequest &obj);
 
     unsigned seq_num;
-    struct WMTriger trigger;
+    struct WMTrigger trigger;
     std::vector<struct WMAction> sync_draw_req;
 };
 
@@ -89,6 +89,9 @@ public:
     void     next();
     bool     haveRequest();
 
+    struct WMTrigger getRequest(unsigned request_seq);
+    const std::vector<struct WMAction>& getActions(unsigned request_seq);
+
     void    client_dump();
     void    req_dump();