[HICN-408] add a face manager interface for face priority control

Change-Id: I166cb56e7376fe896d41d6d371ecb3727b7563ce
Signed-off-by: Junsu Choi <junsu.choi@samsung.com>

3 files changed, 163 insertions, 0 deletions

diff --git a/ctrl/facemgr/src/interfaces/CMakeLists.txt b/ctrl/facemgr/src/interfaces/CMakeLists.txt
index 8d079612a..e4d4423e9 100644
--- a/ctrl/facemgr/src/interfaces/CMakeLists.txt
+++ b/ctrl/facemgr/src/interfaces/CMakeLists.txt
@@ -29,6 +29,7 @@ endif()
 
 if(ANDROID)
 add_subdirectory(android_utility)
+add_subdirectory(priority_controller)
 endif()
 
 if(WITH_EXAMPLE_DUMMY)
diff --git a/ctrl/facemgr/src/interfaces/priority_controller/CMakeLists.txt b/ctrl/facemgr/src/interfaces/priority_controller/CMakeLists.txt
new file mode 100644
index 000000000..8d18800db
--- /dev/null
+++ b/ctrl/facemgr/src/interfaces/priority_controller/CMakeLists.txt
@@ -0,0 +1,30 @@
+# Copyright (c) 2017-2019 Cisco and/or its affiliates.
+# 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.
+
+list(APPEND HEADER_FILES
+)
+
+list(APPEND SOURCE_FILES
+    ${CMAKE_CURRENT_SOURCE_DIR}/priority_controller.c
+)
+
+list(APPEND INCLUDE_DIRS
+)
+
+list(APPEND LIBRARIES
+)
+
+set(SOURCE_FILES ${SOURCE_FILES} PARENT_SCOPE)
+set(HEADER_FILES ${HEADER_FILES} PARENT_SCOPE)
+set(INCLUDE_DIRS ${INCLUDE_DIRS} PARENT_SCOPE)
+set(LIBRARIES    ${LIBRARIES}    PARENT_SCOPE)
diff --git a/ctrl/facemgr/src/interfaces/priority_controller/priority_controller.c b/ctrl/facemgr/src/interfaces/priority_controller/priority_controller.c
new file mode 100644
index 000000000..5c5afdb6c
--- /dev/null
+++ b/ctrl/facemgr/src/interfaces/priority_controller/priority_controller.c
@@ -0,0 +1,132 @@
+#include <assert.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <hicn/facemgr.h>
+
+#include "../../common.h"
+#include "../../interface.h"
+
+typedef struct {
+    int fd;
+} pc_data_t;
+
+int priority_controller_initialize(interface_t * interface, void * cfg)
+{
+    INFO("Initializing priority controller");
+    struct sockaddr_in addr;
+
+    pc_data_t * data = malloc(sizeof(pc_data_t));
+    if (!data) {
+        INFO("Priority controller data memory allocation error");
+        return -1;
+    }
+
+    interface->data = data;
+
+    data->fd = socket(AF_INET, SOCK_DGRAM, 0);
+    //data->fd = socket(AF_INET, SOCK_STREAM, 0);
+    if (data->fd < 0) {
+        INFO("Priority controller socket error");
+        perror("socket error");
+        return -1;
+    }
+
+    memset(&addr, 0, sizeof(addr));
+    addr.sin_family = AF_INET;
+    addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+    addr.sin_port = htons(9533);
+
+    if (bind(data->fd, (struct sockaddr*)&addr, sizeof(addr)) < 0) {
+        INFO("Priority controller socket bind error");
+        perror("bind error");
+        return -1;
+    }
+    interface_register_fd(interface, data->fd, NULL);
+
+    INFO("Priority controller successfully initialized");
+    return data->fd;
+}
+
+int priority_controller_finalize(interface_t * interface)
+{
+    pc_data_t * data = (pc_data_t*)interface->data;
+
+    if (data->fd > 0) {close(data->fd);}
+    free(data);
+
+    return 0;
+}
+
+int priority_controller_callback(interface_t * interface, int fd, void * unused)
+{
+    pc_data_t * data = (pc_data_t*)interface->data;
+    char buf[100];
+    int rc;
+
+    struct sockaddr_in addr;
+    memset(&addr, 0, sizeof(addr));
+    addr.sin_family = AF_INET;
+    addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+    addr.sin_port = htons(9533);
+
+    INFO("Priority controller receiving command");
+
+    rc = recv(data->fd, buf, 100, 0);
+
+    if (rc < 0) {
+        INFO("Priority controller read error");
+        return -1;
+    }
+
+    INFO("Priority controller received command: %02X", buf[0]);
+
+    facelet_t * facelet_w = facelet_create();
+    facelet_t * facelet_c = facelet_create();
+    facelet_set_netdevice_type(facelet_w, NETDEVICE_TYPE_WIFI);
+    facelet_set_netdevice_type(facelet_c, NETDEVICE_TYPE_CELLULAR);
+    facelet_set_status(facelet_w, FACELET_STATUS_CLEAN);
+    facelet_set_status(facelet_c, FACELET_STATUS_CLEAN);
+    switch(buf[0]) {
+        case '\0':
+            facelet_set_priority(facelet_w, 0);
+            facelet_set_priority(facelet_c, 10);
+            INFO("Priority controller configuring Cellular preferred");
+            break;
+        case '\1':
+            facelet_set_priority(facelet_w, 10);
+            facelet_set_priority(facelet_c, 0);
+            INFO("Priority controller configuring Wi-Fi preferred");
+            break;
+        case '\2':
+            facelet_set_priority(facelet_w, 0);
+            facelet_set_priority(facelet_c, 0);
+            INFO("Priority controller configuring both Cellular and Wi-Fi preferred");
+            break;
+        default:
+            INFO("Priority cntroller invalid data received from updown server. Ignoring...");
+            facelet_free(facelet_w);
+            facelet_free(facelet_c);
+            return -1;
+    }
+
+    facelet_set_event(facelet_w, FACELET_EVENT_UPDATE);
+    facelet_set_event(facelet_c, FACELET_EVENT_UPDATE);
+
+    interface_raise_event(interface, facelet_w);
+    interface_raise_event(interface, facelet_c);
+
+    facelet_free(facelet_w);
+    facelet_free(facelet_c);
+    return 0;
+}
+
+interface_ops_t priority_controller_ops = {
+    .type = "priority_controller",
+    .initialize = priority_controller_initialize,
+    .finalize = priority_controller_finalize,
+    .callback = priority_controller_callback,
+};