#define RM_TAG "OIC_RM_RAP"
/**
+ * Default routing option data length is 1 byte with any of the following values.
+ * 00 - source and destination address is not present.
+ * 01 - source and destination address is present with message type as ACK.
+ * 10 - source and destination address is present with message type as RESET.
+ * 11 - source and destination address is present with message type as NORMAL.
+ */
+#define DEFAULT_ROUTE_OPTION_LEN 1
+
+/**
* Minimum routing option data length is
- * length of src address(1byte) + length of destination address(1byte) +
- * Seq Num(2bytes) + Msg Type(1 bytes)
+ * Msg Type(1 bytes) + length of src address(1byte) + length of destination address(1byte) +
+ * Seq Num(2bytes)
*/
#define MIN_ROUTE_OPTION_LEN 5
/**
+ * Acknowledge message type is denoted as 01000000
+ */
+#define ACK_MESSAGE_TYPE (1 << 6)
+
+/**
+ * Reset message type is denoted as 10000000
+ */
+#define RST_MESSAGE_TYPE (1 << 7)
+
+/**
+ * Normal message type is denoted as 11000000
+ */
+#define NORMAL_MESSAGE_TYPE (3 << 6)
+
+/**
* Stack mode.
*/
static OCMode g_rmStackMode = OC_CLIENT;
}
// Update Endpoint with source address from RM header option.
- if (0 != (*options + routeIndex)->optionLength)
+ if (DEFAULT_ROUTE_OPTION_LEN < (*options + routeIndex)->optionLength )
{
uint8_t dLen = 0;
- uint16_t count = sizeof(dLen);
- memcpy(&dLen, (*options + routeIndex)->optionData, sizeof(dLen));
+ uint16_t count = sizeof(dLen) + DEFAULT_ROUTE_OPTION_LEN;
+ memcpy(&dLen, (*options + routeIndex)->optionData + DEFAULT_ROUTE_OPTION_LEN, sizeof(dLen));
count += dLen;
uint8_t sLen = 0;
memcpy(&sLen, (*options + routeIndex)->optionData + count, sizeof(sLen));
(optValue->srcEp ? ENDPOINT_ID_LENGTH:0);
OIC_LOG_V(DEBUG, RM_TAG, "createoption dlen %u slen [%u]", dLen, sLen);
- unsigned int totalLength = MIN_ROUTE_OPTION_LEN + dLen + sLen;
- void *tempData = OICCalloc(totalLength, sizeof(char));
- if (NULL == tempData)
+
+ unsigned int totalLength = 0;
+ void *tempData = NULL;
+ if (0 == dLen && 0 == sLen)
{
- OIC_LOG(ERROR, RM_TAG, "Calloc failed");
- return OC_STACK_NO_MEMORY;
+ OIC_LOG(DEBUG, RM_TAG, "Source and destination is not present");
+ totalLength = DEFAULT_ROUTE_OPTION_LEN;
+ tempData = OICCalloc(totalLength, sizeof(char));
+ if (NULL == tempData)
+ {
+ OIC_LOG(ERROR, RM_TAG, "Calloc failed");
+ return OC_STACK_NO_MEMORY;
+ }
+
+ if (ACK == optValue->msgType)
+ {
+ OIC_LOG(DEBUG, RM_TAG, "OptValue ACK Message Type");
+ memset(tempData, ACK_MESSAGE_TYPE, DEFAULT_ROUTE_OPTION_LEN);
+ }
+ else if (RST == optValue->msgType)
+ {
+ OIC_LOG(DEBUG, RM_TAG, "OptValue RST Message Type");
+ memset(tempData, RST_MESSAGE_TYPE, DEFAULT_ROUTE_OPTION_LEN);
+ }
+ else
+ {
+ OIC_LOG(DEBUG, RM_TAG, "OptValue NOR Message Type");
+ memset(tempData, NORMAL_MESSAGE_TYPE, DEFAULT_ROUTE_OPTION_LEN);
+ }
}
- memcpy(tempData, &dLen, sizeof(dLen));
- unsigned int count = sizeof(dLen);
- if (0 < dLen)
+ else
{
- if (optValue->destGw)
+ totalLength = MIN_ROUTE_OPTION_LEN + dLen + sLen;
+ tempData = OICCalloc(totalLength, sizeof(char));
+ if (NULL == tempData)
{
- memcpy(tempData + count, &(optValue->destGw), GATEWAY_ID_LENGTH);
- count += GATEWAY_ID_LENGTH;
+ OIC_LOG(ERROR, RM_TAG, "Calloc failed");
+ return OC_STACK_NO_MEMORY;
}
- if (optValue->destEp)
+ if (ACK == optValue->msgType)
{
- memcpy(tempData + count, &(optValue->destEp), ENDPOINT_ID_LENGTH);
- count += ENDPOINT_ID_LENGTH;
+ OIC_LOG(DEBUG, RM_TAG, "OptValue ACK Message Type");
+ memset(tempData, ACK_MESSAGE_TYPE, DEFAULT_ROUTE_OPTION_LEN);
+ }
+ else if (RST == optValue->msgType)
+ {
+ OIC_LOG(DEBUG, RM_TAG, "OptValue RST Message Type");
+ memset(tempData, RST_MESSAGE_TYPE, DEFAULT_ROUTE_OPTION_LEN);
+ }
+ else
+ {
+ OIC_LOG(DEBUG, RM_TAG, "OptValue NOR Message Type");
+ memset(tempData, NORMAL_MESSAGE_TYPE, DEFAULT_ROUTE_OPTION_LEN);
}
- }
- memcpy(tempData + count, &sLen, sizeof(sLen));
- count += sizeof(sLen);
- if (0 < sLen)
- {
- if (optValue->srcGw)
+ memcpy(tempData + DEFAULT_ROUTE_OPTION_LEN, &dLen, sizeof(dLen));
+ unsigned int count = sizeof(dLen) + DEFAULT_ROUTE_OPTION_LEN;
+ if (0 < dLen)
{
- memcpy(tempData + count, &(optValue->srcGw), GATEWAY_ID_LENGTH);
- count += GATEWAY_ID_LENGTH;
+ if (optValue->destGw)
+ {
+ memcpy(tempData + count, &(optValue->destGw), GATEWAY_ID_LENGTH);
+ count += GATEWAY_ID_LENGTH;
+ }
+
+ if (optValue->destEp)
+ {
+ memcpy(tempData + count, &(optValue->destEp), ENDPOINT_ID_LENGTH);
+ count += ENDPOINT_ID_LENGTH;
+ }
}
- if (optValue->srcEp)
+ memcpy(tempData + count, &sLen, sizeof(sLen));
+ count += sizeof(sLen);
+ if (0 < sLen)
{
- memcpy(tempData + count, &(optValue->srcEp), ENDPOINT_ID_LENGTH);
- count += ENDPOINT_ID_LENGTH;
+ if (optValue->srcGw)
+ {
+ memcpy(tempData + count, &(optValue->srcGw), GATEWAY_ID_LENGTH);
+ count += GATEWAY_ID_LENGTH;
+ }
+
+ if (optValue->srcEp)
+ {
+ memcpy(tempData + count, &(optValue->srcEp), ENDPOINT_ID_LENGTH);
+ count += ENDPOINT_ID_LENGTH;
+ }
}
+
+ memcpy(tempData + count, &optValue->mSeqNum, sizeof(optValue->mSeqNum));
}
- memcpy(tempData + count, &optValue->mSeqNum, sizeof(optValue->mSeqNum));
- count += sizeof(optValue->mSeqNum);
- memcpy(tempData + count, &optValue->msgType, sizeof(optValue->msgType));
memcpy(options->optionData, tempData, totalLength);
options->optionID = RM_OPTION_MESSAGE_SWITCHING;
return OC_STACK_ERROR;
}
- uint8_t dLen = 0 ;
- uint16_t count = sizeof(dLen);
- memcpy(&dLen, options->optionData, sizeof(dLen));
- if (0 < dLen)
- {
- memcpy(&(optValue->destGw), options->optionData + count, GATEWAY_ID_LENGTH);
- count += GATEWAY_ID_LENGTH;
+ OIC_LOG_V(DEBUG, RM_TAG, "Option Length is %d", options->optionLength);
+ uint8_t mType = 0;
+ memcpy(&mType, options->optionData, sizeof(mType));
- if (GATEWAY_ID_LENGTH < dLen)
- {
- memcpy(&(optValue->destEp), options->optionData + count, ENDPOINT_ID_LENGTH);
- count += ENDPOINT_ID_LENGTH;
- }
+ if (ACK_MESSAGE_TYPE == mType)
+ {
+ OIC_LOG(INFO, RM_TAG, "ACK_MESSAGE_TYPE");
+ optValue->msgType = ACK;
+ }
+ else if (RST_MESSAGE_TYPE == mType)
+ {
+ OIC_LOG(INFO, RM_TAG, "RST_MESSAGE_TYPE");
+ optValue->msgType = RST;
+ }
+ else if (NORMAL_MESSAGE_TYPE == mType)
+ {
+ OIC_LOG(INFO, RM_TAG, "NOR_MESSAGE_TYPE");
+ optValue->msgType = NOR;
}
- uint8_t sLen = 0;
- memcpy(&sLen, options->optionData + count, sizeof(sLen));
- count += sizeof(sLen);
- if (0 < sLen)
+ if (DEFAULT_ROUTE_OPTION_LEN == options->optionLength)
{
- memcpy(&(optValue->srcGw), options->optionData + count, GATEWAY_ID_LENGTH);
- count += GATEWAY_ID_LENGTH;
+ OIC_LOG(INFO, RM_TAG, "No source and destination are present");
+ }
+ else
+ {
+ uint8_t dLen = 0 ;
+ uint16_t count = DEFAULT_ROUTE_OPTION_LEN;
+ memcpy(&dLen, options->optionData + count, sizeof(dLen));
+ count += sizeof(dLen);
+ if (0 < dLen)
+ {
+ memcpy(&(optValue->destGw), options->optionData + count, GATEWAY_ID_LENGTH);
+ count += GATEWAY_ID_LENGTH;
+
+ if (GATEWAY_ID_LENGTH < dLen)
+ {
+ memcpy(&(optValue->destEp), options->optionData + count, ENDPOINT_ID_LENGTH);
+ count += ENDPOINT_ID_LENGTH;
+ }
+ }
- if (GATEWAY_ID_LENGTH < sLen)
+ uint8_t sLen = 0;
+ memcpy(&sLen, options->optionData + count, sizeof(sLen));
+ count += sizeof(sLen);
+ if (0 < sLen)
{
- memcpy(&(optValue->srcEp), options->optionData + count, ENDPOINT_ID_LENGTH);
- count += ENDPOINT_ID_LENGTH;
+ memcpy(&(optValue->srcGw), options->optionData + count, GATEWAY_ID_LENGTH);
+ count += GATEWAY_ID_LENGTH;
+
+ if (GATEWAY_ID_LENGTH < sLen)
+ {
+ memcpy(&(optValue->srcEp), options->optionData + count, ENDPOINT_ID_LENGTH);
+ count += ENDPOINT_ID_LENGTH;
+ }
}
+ memcpy(&optValue->mSeqNum, options->optionData + count, sizeof(optValue->mSeqNum));
}
- memcpy(&optValue->mSeqNum, options->optionData + count, sizeof(optValue->mSeqNum));
- count += sizeof(optValue->mSeqNum);
- memcpy(&optValue->msgType, options->optionData + count, sizeof(optValue->msgType));
OIC_LOG_V(INFO, RM_TAG, "Option hopcount is %d", optValue->mSeqNum);
OIC_LOG_V(INFO, RM_TAG, "Option Sender Addr is [%u][%u]", optValue->srcGw, optValue->srcEp);