Initial check-inhalibut_7.90.0halibut/7.90.0guppy_6.99.4guppy_6.99.3guppy/6.99.4guppy/6.99.37.90.06.99.46.99.3

Demo instrument cluster receiver application to receive a h264 stream
sent via RTP from another host running Wayland and Weston with the
gst-recorder feature for streaming a virtual display patched in.

The gstreamer pipeline used is based on what was being used with
gst-launch-1.0 in the previously hand-constructed instrument cluster
demo.  The use of vaapisink likely constrains use to Intel based
platforms at present, future work should allow working on other
platforms.

The app/surface.{hpp,cpp} files are adapted from code from
xdg-launcher:

https://gerrit.automotivelinux.org/gerrit/staging/xdg-launcher

Note that they are MIT licensed while all other source files are
Apache 2.0.  Other than significant refactoring to ease integration,
the functional differences from the runxdg code in xdg-launcher are
that homescreen support has been removed, as the instrument cluster
platform does not use it, and the logging has been reworked to use the
hmi-debug mechanism used by the windowmanager and homescreen.

There is also an implicit assumption that the windowmanager
configuration is such that the "app" role will map the receiver's
surface to the desired location in the center of the dashboard.

Change-Id: Ieddef6463efb744d9c9c28b1508cc930a32981a4
Signed-off-by: Scott Murray <scott.murray@konsulko.com>

1 files changed, 193 insertions, 0 deletions

diff --git a/app/surface.cpp b/app/surface.cpp
new file mode 100644
index 0000000..8f6c49f
--- /dev/null
+++ b/app/surface.cpp
@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 2017 Panasonic Corporation
+ * Copyright (c) 2018 Konsulko Group
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <cstdio>
+#include <cstdarg>
+#include "surface.hpp"
+#include "hmi-debug.h"
+
+#define AREA_NORMAL_FULL "normal.full"
+
+SurfaceHandler::SurfaceHandler(const int port, const std::string &token, const std::string &role)
+{
+	m_port = port;
+	m_token = token;
+	m_role = role;
+
+	m_rid = getpid();
+
+	// Setup HomeScreen/WindowManager API
+	if (init_wm()) {
+		HMI_ERROR("receiver:sh", "cannot setup windowmanager API");
+		exit(1);
+	}
+
+	// Setup ilmController API
+	m_ic = new ILMControl(notify_ivi_control_cb_static, this);
+	if (!m_ic) {
+		HMI_ERROR("receiver:sh", "cannot setup IVI layer management API");
+		exit(1);
+	}
+}
+
+int SurfaceHandler::init_wm(void)
+{
+	m_wm = new LibWindowmanager();
+	if (m_wm->init(m_port, m_token.c_str())) {
+		HMI_ERROR("receiver:sh", "cannot initialize windowmanager");
+		return -1;
+	}
+
+	std::function< void(json_object*) > h_active =
+		[](json_object* object) {
+			HMI_DEBUG("receiver:sh", "Got Event_Active");
+		};
+
+	std::function< void(json_object*) > h_inactive =
+		[](json_object* object) {
+			HMI_DEBUG("receiver:sh", "Got Event_Inactive");
+		};
+
+	std::function< void(json_object*) > h_visible =
+		[](json_object* object) {
+			HMI_DEBUG("receiver:sh", "Got Event_Visible");
+		};
+
+	std::function< void(json_object*) > h_invisible =
+		[](json_object* object) {
+			HMI_DEBUG("receiver:sh", "Got Event_Invisible");
+		};
+
+	std::function< void(json_object*) > h_syncdraw =
+		[this](json_object* object) {
+			HMI_DEBUG("receiver:sh", "Got Event_SyncDraw");
+			this->m_wm->endDraw(this->m_role.c_str());
+		};
+
+	std::function< void(json_object*) > h_flushdraw =
+		[](json_object* object) {
+			HMI_DEBUG("receiver:sh", "Got Event_FlushDraw");
+		};
+
+	m_wm->set_event_handler(LibWindowmanager::Event_Active, h_active);
+	m_wm->set_event_handler(LibWindowmanager::Event_Inactive, h_inactive);
+	m_wm->set_event_handler(LibWindowmanager::Event_Visible, h_visible);
+	m_wm->set_event_handler(LibWindowmanager::Event_Invisible, h_invisible);
+	m_wm->set_event_handler(LibWindowmanager::Event_SyncDraw, h_syncdraw);
+	m_wm->set_event_handler(LibWindowmanager::Event_FlushDraw, h_flushdraw);
+
+	return 0;
+}
+
+void SurfaceHandler::notify_ivi_control_cb(ilmObjectType object,
+					   t_ilm_uint id,
+					   t_ilm_bool created)
+{
+	if (object == ILM_SURFACE) {
+		struct ilmSurfaceProperties surf_props;
+
+		ilm_getPropertiesOfSurface(id, &surf_props);
+		pid_t surf_pid = surf_props.creatorPid;
+
+		if (!created) {
+			HMI_DEBUG("receiver:sh", "ivi surface (id=%d, pid=%d) destroyed.", id, surf_pid);
+			unregister_surfpid(surf_pid);
+			m_surfaces.erase(surf_pid);
+			return;
+		}
+
+		HMI_DEBUG("receiver:sh", "ivi surface (id=%d, pid=%d) is created.", id, surf_pid);
+
+		register_surfpid(surf_pid);
+		if (m_rid && surf_pid == find_surfpid_by_rid(m_rid)) {
+			setup_surface(id);
+		}
+		m_surfaces[surf_pid] = id;
+	} else if (object == ILM_LAYER) {
+		if (created)
+			HMI_DEBUG("receiver:sh", "ivi layer: %d created.", id);
+		else
+			HMI_DEBUG("receiver:sh", "ivi layer: %d destroyed.", id);
+	}
+
+}
+
+void SurfaceHandler::notify_ivi_control_cb_static (ilmObjectType object,
+						   t_ilm_uint id,
+						   t_ilm_bool created,
+						   void *user_data)
+{
+	SurfaceHandler *handler = static_cast<SurfaceHandler*>(user_data);
+	handler->notify_ivi_control_cb(object, id, created);
+}
+
+void SurfaceHandler::register_surfpid (pid_t surf_pid)
+{
+	if (surf_pid == m_rid) {
+		if (!std::count(m_pid_v.begin(), m_pid_v.end(), surf_pid)) {
+			HMI_DEBUG("receiver:sh", "surface creator(pid=%d) registered", surf_pid);
+			m_pid_v.push_back(surf_pid);
+			HMI_DEBUG("receiver:sh", "m_pid_v.count(%d) = %d", surf_pid,
+				  std::count(m_pid_v.begin(), m_pid_v.end(), surf_pid));
+		}
+	}
+}
+
+void SurfaceHandler::unregister_surfpid (pid_t surf_pid)
+{
+	auto itr = m_pid_v.begin();
+	while (itr != m_pid_v.end()) {
+		if (*itr == surf_pid) {
+			m_pid_v.erase(itr++);
+		} else {
+			++itr;
+		}
+	}
+}
+
+pid_t SurfaceHandler::find_surfpid_by_rid (pid_t rid)
+{
+	HMI_DEBUG("receiver:sh", "find surfpid by rid(%d)", rid);
+	if (std::count(m_pid_v.begin(), m_pid_v.end(), rid)) {
+		HMI_DEBUG("receiver:sh", "found return(%d)", rid);
+		return rid;
+	}
+
+	return -1;
+}
+
+void SurfaceHandler::setup_surface (int id)
+{
+	std::string sid = std::to_string(id);
+
+	// This surface is mine, register pair app_name and ivi id.
+	HMI_DEBUG("receiver:sh", "requestSurfaceXDG(%s,%d)", m_role.c_str(), id);
+	m_wm->requestSurfaceXDG(m_role.c_str(), id);
+
+	if (m_pending_create) {
+		// Activate window if it has not been yet
+		HMI_DEBUG("receiver:sh", "calling activateWindow on (%s,%d)", m_role.c_str(), id);
+		m_pending_create = false;
+		m_wm->activateWindow(m_role.c_str(), AREA_NORMAL_FULL);
+	}
+}