Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

features/nanostack/FEATURE_NANOSTACK/mbed-mesh-api/source/AbstractMesh.cpp@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

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elessair 0:f269e3021894 1 /*
elessair 0:f269e3021894 2 * Copyright (c) 2015 ARM Limited. All rights reserved.
elessair 0:f269e3021894 3 * SPDX-License-Identifier: Apache-2.0
elessair 0:f269e3021894 4 * Licensed under the Apache License, Version 2.0 (the License); you may
elessair 0:f269e3021894 5 * not use this file except in compliance with the License.
elessair 0:f269e3021894 6 * You may obtain a copy of the License at
elessair 0:f269e3021894 7 *
elessair 0:f269e3021894 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 9 *
elessair 0:f269e3021894 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
elessair 0:f269e3021894 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 13 * See the License for the specific language governing permissions and
elessair 0:f269e3021894 14 * limitations under the License.
elessair 0:f269e3021894 15 */
elessair 0:f269e3021894 16
elessair 0:f269e3021894 17 /*
elessair 0:f269e3021894 18 * Mesh networking interface.
elessair 0:f269e3021894 19 */
elessair 0:f269e3021894 20
elessair 0:f269e3021894 21 #include "mbed-mesh-api/AbstractMesh.h"
elessair 0:f269e3021894 22 #include "mbed-mesh-api/MeshThread.h"
elessair 0:f269e3021894 23 #include "mbed-mesh-api/Mesh6LoWPAN_ND.h"
elessair 0:f269e3021894 24 #include "include/callback_handler.h"
elessair 0:f269e3021894 25 #include "include/mesh_system.h"
elessair 0:f269e3021894 26 #include "include/nd_tasklet.h"
elessair 0:f269e3021894 27 #include "include/thread_tasklet.h"
elessair 0:f269e3021894 28
elessair 0:f269e3021894 29 #define HAVE_DEBUG 1
elessair 0:f269e3021894 30 #include "ns_trace.h"
elessair 0:f269e3021894 31
elessair 0:f269e3021894 32 #define TRACE_GROUP "m6La"
elessair 0:f269e3021894 33
elessair 0:f269e3021894 34 AbstractMesh::AbstractMesh(mesh_network_type_t type) :
elessair 0:f269e3021894 35 _mesh_network_handler(NULL), _network_interface_id(-1), _device_id(-1)
elessair 0:f269e3021894 36 {
elessair 0:f269e3021894 37 __abstract_mesh_interface = this;
elessair 0:f269e3021894 38 _mesh_network_type = type;
elessair 0:f269e3021894 39 // initialize mesh networking resources, memory, timers, etc...
elessair 0:f269e3021894 40 mesh_system_init();
elessair 0:f269e3021894 41 }
elessair 0:f269e3021894 42
elessair 0:f269e3021894 43 AbstractMesh::~AbstractMesh()
elessair 0:f269e3021894 44 {
elessair 0:f269e3021894 45 tr_debug("~AbstractMesh()");
elessair 0:f269e3021894 46 __abstract_mesh_interface = NULL;
elessair 0:f269e3021894 47 }
elessair 0:f269e3021894 48
elessair 0:f269e3021894 49 mesh_error_t AbstractMesh::init(int8_t registered_device_id, mesh_network_handler_t callbackHandler)
elessair 0:f269e3021894 50 {
elessair 0:f269e3021894 51 tr_debug("init()");
elessair 0:f269e3021894 52
elessair 0:f269e3021894 53 if (callbackHandler == (mesh_network_handler_t)NULL) {
elessair 0:f269e3021894 54 return MESH_ERROR_PARAM;
elessair 0:f269e3021894 55 }
elessair 0:f269e3021894 56
elessair 0:f269e3021894 57 _device_id = registered_device_id;
elessair 0:f269e3021894 58 _mesh_network_handler = callbackHandler;
elessair 0:f269e3021894 59
elessair 0:f269e3021894 60 // Create network interface
elessair 0:f269e3021894 61 if (_mesh_network_type == MESH_TYPE_THREAD) {
elessair 0:f269e3021894 62 thread_tasklet_init();
elessair 0:f269e3021894 63 _network_interface_id = thread_tasklet_network_init(_device_id);
elessair 0:f269e3021894 64 } else if (_mesh_network_type == MESH_TYPE_6LOWPAN_ND) {
elessair 0:f269e3021894 65 nd_tasklet_init();
elessair 0:f269e3021894 66 _network_interface_id = nd_tasklet_network_init(_device_id);
elessair 0:f269e3021894 67 }
elessair 0:f269e3021894 68
elessair 0:f269e3021894 69 if (_network_interface_id >= 0) {
elessair 0:f269e3021894 70 return MESH_ERROR_NONE;
elessair 0:f269e3021894 71 } else if (_network_interface_id == -2) {
elessair 0:f269e3021894 72 return MESH_ERROR_PARAM;
elessair 0:f269e3021894 73 } else if (_network_interface_id == -3) {
elessair 0:f269e3021894 74 return MESH_ERROR_MEMORY;
elessair 0:f269e3021894 75 }
elessair 0:f269e3021894 76
elessair 0:f269e3021894 77 return MESH_ERROR_UNKNOWN;
elessair 0:f269e3021894 78 }
elessair 0:f269e3021894 79
elessair 0:f269e3021894 80 mesh_error_t AbstractMesh::connect()
elessair 0:f269e3021894 81 {
elessair 0:f269e3021894 82 int8_t status = -9; // init to unknown error
elessair 0:f269e3021894 83 tr_debug("connect()");
elessair 0:f269e3021894 84
elessair 0:f269e3021894 85 if (_mesh_network_handler == (mesh_network_handler_t)NULL) {
elessair 0:f269e3021894 86 // initialization hasn't been made and connect gets called
elessair 0:f269e3021894 87 return MESH_ERROR_PARAM;
elessair 0:f269e3021894 88 }
elessair 0:f269e3021894 89
elessair 0:f269e3021894 90 if (_mesh_network_type == MESH_TYPE_THREAD) {
elessair 0:f269e3021894 91 status = thread_tasklet_connect(&__mesh_handler_c_callback, _network_interface_id);
elessair 0:f269e3021894 92 } else if (_mesh_network_type == MESH_TYPE_6LOWPAN_ND) {
elessair 0:f269e3021894 93 status = nd_tasklet_connect(&__mesh_handler_c_callback, _network_interface_id);
elessair 0:f269e3021894 94 }
elessair 0:f269e3021894 95
elessair 0:f269e3021894 96 if (status >= 0) {
elessair 0:f269e3021894 97 return MESH_ERROR_NONE;
elessair 0:f269e3021894 98 } else if (status == -1) {
elessair 0:f269e3021894 99 return MESH_ERROR_PARAM;
elessair 0:f269e3021894 100 } else if (status == -2) {
elessair 0:f269e3021894 101 return MESH_ERROR_MEMORY;
elessair 0:f269e3021894 102 } else if (status == -3) {
elessair 0:f269e3021894 103 return MESH_ERROR_STATE;
elessair 0:f269e3021894 104 } else {
elessair 0:f269e3021894 105 return MESH_ERROR_UNKNOWN;
elessair 0:f269e3021894 106 }
elessair 0:f269e3021894 107 }
elessair 0:f269e3021894 108
elessair 0:f269e3021894 109 /*
elessair 0:f269e3021894 110 * Disable optimization as gcc compiler fails to return correct enum value.
elessair 0:f269e3021894 111 */
elessair 0:f269e3021894 112 #if defined(__GNUC__) && !defined(__ARMCC_VERSION)
elessair 0:f269e3021894 113 #define DISABLE_GCC_OPT __attribute__((optimize("O0")))
elessair 0:f269e3021894 114 #else
elessair 0:f269e3021894 115 #define DISABLE_GCC_OPT
elessair 0:f269e3021894 116 #endif
elessair 0:f269e3021894 117
elessair 0:f269e3021894 118 mesh_error_t DISABLE_GCC_OPT AbstractMesh::disconnect()
elessair 0:f269e3021894 119 {
elessair 0:f269e3021894 120 int8_t status = -1;
elessair 0:f269e3021894 121
elessair 0:f269e3021894 122 if (_mesh_network_type == MESH_TYPE_THREAD) {
elessair 0:f269e3021894 123 status = thread_tasklet_disconnect(true);
elessair 0:f269e3021894 124 } else if (_mesh_network_type == MESH_TYPE_6LOWPAN_ND) {
elessair 0:f269e3021894 125 status = nd_tasklet_disconnect(true);
elessair 0:f269e3021894 126 }
elessair 0:f269e3021894 127
elessair 0:f269e3021894 128 if (status >= 0) {
elessair 0:f269e3021894 129 return MESH_ERROR_NONE;
elessair 0:f269e3021894 130 }
elessair 0:f269e3021894 131
elessair 0:f269e3021894 132 return MESH_ERROR_UNKNOWN;
elessair 0:f269e3021894 133 }
elessair 0:f269e3021894 134
elessair 0:f269e3021894 135 void AbstractMesh::callback(mesh_connection_status_t state)
elessair 0:f269e3021894 136 {
elessair 0:f269e3021894 137 if (_mesh_network_handler) {
elessair 0:f269e3021894 138 _mesh_network_handler(state);
elessair 0:f269e3021894 139 }
elessair 0:f269e3021894 140 }