1 /******************************************************************
3 * Copyright 2014 Samsung Electronics All Rights Reserved.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
19 ******************************************************************/
21 #include "caipinterface.h"
27 #include <utility/server_drv.h>
28 #include <utility/wifi_drv.h>
29 #include <IPAddress.h>
33 #include "cainterface.h"
34 #include "caadapterinterface.h"
35 #include "caipadapter.h"
36 #include "caadapterutils.h"
37 #include "oic_malloc.h"
38 #include "oic_string.h"
42 // Length of the IP address decimal notation string
43 #define IPNAMESIZE (16)
45 // Start offsets based on end of received data buffer
46 #define IP_RECBUF_IPADDR_OFFSET (6)
47 #define IP_RECBUF_PORT_OFFSET (2)
49 #define IP_RECBUF_IPADDR_SIZE (IP_RECBUF_IPADDR_OFFSET - IP_RECBUF_PORT_OFFSET)
50 #define IP_RECBUF_PORT_SIZE (IP_RECBUF_PORT_OFFSET - 0)
51 #define IP_RECBUF_FOOTER_SIZE (IP_RECBUF_IPADDR_SIZE + IP_RECBUF_PORT_SIZE)
53 static void CAArduinoCheckData();
54 static void CAPacketReceivedCallback(const char *ipAddress, const uint16_t port,
55 const void *data, const uint32_t dataLength);
57 static CAIPPacketReceivedCallback gPacketReceivedCallback = NULL;
58 static int32_t gUnicastSocket = 0;
59 static bool gServerRunning = false;
65 static uint16_t g_unicastPort = 0;
67 CAResult_t CAIPInitializeServer(const ca_thread_pool_t threadPool)
70 * This API is to keep design in sync with other platforms.
71 * The required implementation is done in Start() api's.
76 void CAIPTerminateServer(void)
79 * This API is to keep design in sync with other platforms.
80 * The required implementation is done in Stop() api's.
84 uint16_t CAGetServerPortNum(const char *ipAddress, bool isSecured)
89 CAResult_t CAIPStartUnicastServer(const char *localAddress, uint16_t *port,
92 OIC_LOG(DEBUG, TAG, "IN");
93 VERIFY_NON_NULL(port, TAG, "port");
98 OIC_LOG(DEBUG, TAG, "Error");
99 return CA_STATUS_FAILED;
102 if (WiFi.status() != WL_CONNECTED)
104 OIC_LOG(ERROR, TAG, "ERROR:No WIFI");
105 return CA_STATUS_FAILED;
108 OIC_LOG_V(DEBUG, TAG, "port: %u", *port);
110 Udp.begin((uint16_t ) *port);
111 gServerRunning = true;
112 g_unicastPort = *port;
113 caglobals.ip.u4.port = *port;
114 OIC_LOG(DEBUG, TAG, "OUT");
118 CAResult_t CAIPStartMulticastServer(const char *localAddress, const char *multicastAddress,
119 uint16_t multicastPort)
121 // wifi shield does not support multicast
122 OIC_LOG(DEBUG, TAG, "IN");
123 OIC_LOG(DEBUG, TAG, "OUT");
124 return CA_NOT_SUPPORTED;
127 CAResult_t CAIPStartServer()
129 uint16_t unicastPort = 55555;
131 CAResult_t ret = CAIPStartUnicastServer("0.0.0.0", &unicastPort, false);
132 if (CA_STATUS_OK != ret)
134 OIC_LOG_V(ERROR, TAG, "Start unicast server failed[%d]", ret);
137 ret = CAIPStartMulticastServer("0.0.0.0", "224.0.1.187", 5683);
138 if (CA_STATUS_OK != ret)
140 OIC_LOG_V(ERROR, TAG, "Start multicast failed[%d]", ret);
145 CAResult_t CAIPStopUnicastServer()
147 OIC_LOG(DEBUG, TAG, "IN");
150 gServerRunning = false;
151 caglobals.ip.u4.port = 0;
152 OIC_LOG(DEBUG, TAG, "OUT");
156 CAResult_t CAIPStopMulticastServer()
158 return CAIPStopUnicastServer();
161 void CAIPStopServer()
163 OIC_LOG(DEBUG, TAG, "IN");
164 CAResult_t result = CAIPStopUnicastServer();
165 if (CA_STATUS_OK != result)
167 OIC_LOG_V(ERROR, TAG, "stop ucast srv fail:%d", result);
170 CAIPSetUnicastSocket(-1);
171 CAIPSetUnicastPort(0);
173 result = CAIPStopMulticastServer();
174 if (CA_STATUS_OK != result)
176 OIC_LOG_V(ERROR, TAG, "stop mcast srv fail:%d", result);
178 OIC_LOG(DEBUG, TAG, "OUT");
181 void CAPacketReceivedCallback(const char *ipAddress, const uint16_t port,
182 const void *data, const uint32_t dataLength)
184 OIC_LOG(DEBUG, TAG, "IN");
185 if (gPacketReceivedCallback)
187 CASecureEndpoint_t sep =
188 {.endpoint = {.adapter = CA_ADAPTER_IP, .flags = CA_IPV4, .port = port}};
190 OICStrcpy(sep.endpoint.addr, sizeof(sep.endpoint.addr), ipAddress);
191 gPacketReceivedCallback(&sep, data, dataLength);
192 OIC_LOG(DEBUG, TAG, "Notified network packet");
194 OIC_LOG(DEBUG, TAG, "OUT");
197 void CAArduinoCheckData()
199 OIC_LOG(DEBUG, TAG, "IN");
200 char addr[IPNAMESIZE] = {0};
201 uint16_t senderPort = 0;
202 int16_t packetSize = Udp.parsePacket();
203 OIC_LOG_V(DEBUG, TAG, "Rcv packet of size:%d ", packetSize);
206 packetSize = packetSize > COAP_MAX_PDU_SIZE ? COAP_MAX_PDU_SIZE:packetSize;
207 char *data = (char *)OICMalloc(packetSize + 1);
212 IPAddress remoteIp = Udp.remoteIP();
213 senderPort = Udp.remotePort();
214 sprintf(addr, "%d.%d.%d.%d", remoteIp[0], remoteIp[1], remoteIp[2], remoteIp[3]);
215 OIC_LOG_V(DEBUG, TAG, "remoteip: %s, port: %d", addr, senderPort);
216 // read the packet into packetBufffer
217 int32_t dataLen = Udp.read(data, COAP_MAX_PDU_SIZE);
222 CAPacketReceivedCallback(addr, senderPort, data, dataLen);
225 OIC_LOG(DEBUG, TAG, "OUT");
228 void CAIPSetPacketReceiveCallback(CAIPPacketReceivedCallback callback)
230 OIC_LOG(DEBUG, TAG, "IN");
231 gPacketReceivedCallback = callback;
232 OIC_LOG(DEBUG, TAG, "OUT");
235 void CAIPSetExceptionCallback(CAIPExceptionCallback callback)
240 void CAIPSetErrorHandleCallback(CAIPErrorHandleCallback ipErrorCallback)
242 OIC_LOG(DEBUG, TAG, "IN");
243 OIC_LOG(DEBUG, TAG, "OUT");
248 CAArduinoCheckData();
251 CAResult_t CAGetIPInterfaceInformation(CAEndpoint_t **info, uint32_t *size)
253 OIC_LOG(DEBUG, TAG, "IN");
255 VERIFY_NON_NULL(info, TAG, "info is NULL");
256 VERIFY_NON_NULL(size, TAG, "size is NULL");
258 u_arraylist_t *iflist = CAIPGetInterfaceInformation(0);
261 OIC_LOG(ERROR, TAG, "get interface info failed");
262 return CA_STATUS_FAILED;
265 uint32_t len = u_arraylist_length(iflist);
267 CAEndpoint_t *eps = (CAEndpoint_t *)OICCalloc(len, sizeof (CAEndpoint_t));
270 OIC_LOG(ERROR, TAG, "Malloc Failed");
271 u_arraylist_destroy(iflist);
272 return CA_MEMORY_ALLOC_FAILED;
275 for (uint32_t i = 0, j = 0; i < len; i++)
277 CAInterface_t *ifitem = (CAInterface_t *)u_arraylist_get(iflist, i);
279 unsigned char *addr= (unsigned char *) &(ifitem->ipv4addr);
280 snprintf(eps[j].addr, MAX_ADDR_STR_SIZE_CA, "%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]);
282 eps[j].flags = CA_IPV4;
283 eps[j].adapter = CA_ADAPTER_IP;
284 eps[j].interface = 0;
285 eps[j].port = caglobals.ip.u4.port;
292 u_arraylist_destroy(iflist);
294 OIC_LOG(DEBUG, TAG, "OUT");