void send_response(const CAEndpoint_t *endpoint, const CAInfo_t *info)
{
printf("entering send_response\n");
printf("\n=============================================\n");
printf("\tselect message type\n");
printf("CON : 0\n");
printf("NON : 1\n");
printf("ACK : 2\n");
printf("RESET : 3\n");
printf("select : ");
char buf[MAX_BUF_LEN] = { 0 };
if (CA_STATUS_OK != get_input_data(buf, MAX_BUF_LEN))
{
return;
}
int messageType = buf[0] - '0';
if (0 > messageType || 3 < messageType)
{
printf("Invalid message type\n");
return;
}
int responseCode = 0 ;
char responseCodeBuf[MAX_BUF_LEN] = { 0 };
if (CA_MSG_RESET != messageType)
{
printf("\n=============================================\n");
printf("\tselect response code\n");
printf("EMPTY : 0\n");
printf("SUCCESS : 200\n");
printf("CREATED : 201\n");
printf("DELETED : 202\n");
printf("VALID : 203\n");
printf("CHANGED : 204\n");
printf("CONTENT : 205\n");
printf("BAD_REQ : 400\n");
printf("BAD_OPT : 402\n");
printf("NOT_FOUND : 404\n");
printf("INTERNAL_SERVER_ERROR : 500\n");
printf("RETRANSMIT_TIMEOUT : 504\n");
printf("select : ");
if (CA_STATUS_OK != get_input_data(responseCodeBuf, MAX_BUF_LEN))
{
return;
}
responseCode = atoi(responseCodeBuf);
}
// create response data
uint16_t messageId = (info != NULL) ? info->messageId : 0;
CAURI_t resourceUri = (info != NULL) ? info->resourceUri : 0;
CAInfo_t responseData = { .type = messageType,
.messageId = messageId,
.token = NULL,
.tokenLength = 0,
.options = NULL,
.numOptions = 0,
.payload = NULL,
.payloadSize = 0,
.resourceUri = resourceUri };
if(CA_MSG_RESET != messageType)
{
responseData.token = (info != NULL) ? info->token : NULL;
responseData.tokenLength = (info != NULL) ? info->tokenLength : 0;
if (endpoint->flags & CA_SECURE)
{
if(!responseData.resourceUri)
{
printf("resourceUri not available in SECURE\n");
return;
}
printf("Sending response on secure communication\n");
uint32_t length = sizeof(SECURE_INFO_DATA) + strlen(responseData.resourceUri);
responseData.payload = (CAPayload_t) calloc(length, sizeof(char));
if (NULL == responseData.payload)
{
printf("Memory allocation fail\n");
return;
}
snprintf((char *) responseData.payload, length, SECURE_INFO_DATA,
(const char *) responseData.resourceUri, g_local_secure_port);
responseData.payloadSize = length;
}
else
{
printf("Sending response on non-secure communication\n");
bool useBigPayload = select_payload_type();
if (useBigPayload)
{
size_t payloadLength = 0;
CAPayload_t binaryPayload = get_binary_payload(&payloadLength);
if (NULL == binaryPayload)
{
free(binaryPayload);
return;
}
responseData.payload = (CAPayload_t) malloc(payloadLength);
if (NULL == responseData.payload)
{
printf("Memory allocation failed!");
free(binaryPayload);
return;
}
memcpy(responseData.payload, binaryPayload, payloadLength);
responseData.payloadSize = payloadLength;
// memory free
free(binaryPayload);
}
else
{
if(!responseData.resourceUri)
{
printf("resourceUri not available in NON-SECURE\n");
return;
}
uint32_t length = sizeof(NORMAL_INFO_DATA) + strlen(responseData.resourceUri);
responseData.payload = (CAPayload_t) calloc(length, sizeof(char));
if (NULL == responseData.payload)
{
printf("Memory allocation fail\n");
return;
}
snprintf((char *) responseData.payload, length, NORMAL_INFO_DATA,
(const char *) responseData.resourceUri);
responseData.payloadSize = length;
}
}
}
CAResponseInfo_t responseInfo = { .result = responseCode,
.info = responseData };
// send response (transportType from remoteEndpoint of request Info)
CAResult_t res = CASendResponse(endpoint, &responseInfo);
if (CA_STATUS_OK != res)
{
printf("Send response error\n");
}
else
{
printf("Send response success\n");
}
if (responseData.payload)
{
free(responseData.payload);
}
printf("=============================================\n");
}
int get_secure_information(CAPayload_t payLoad)
{
printf("Entering get_secure_information\n");
if (!payLoad)
{
printf("Payload is NULL\n");
return -1;
}
char *subString = NULL;
if (NULL == (subString = strstr((const char *) payLoad, "\"sec\":1")))
{
printf("This is not secure resource\n");
return -1;
}
if (NULL == (subString = strstr((const char *) payLoad, "\"port\":")))
{
printf("This secure resource does not have port information\n");
return -1;
}
char *startPos = strstr(subString, ":");
if (!startPos)
{
printf("Parsing failed !\n");
return -1;
}
char *endPos = strstr(startPos, "}");
if (!endPos)
{
printf("Parsing failed !\n");
return -1;
}
char portStr[6] = {0};
OICStrcpyPartial(portStr, sizeof(portStr), startPos + 1, (endPos - 1) - startPos);
printf("secured port is: %s\n", portStr);
return atoi(portStr);
}
void send_request()
{
CATransportFlags_t flags = CA_DEFAULT_FLAGS;
CAResult_t res = get_network_type(&flags);
if (CA_STATUS_OK != res)
{
return;
}
printf("Do you want to send secure request ?.... enter (0/1): ");
char secureRequest[MAX_BUF_LEN] = {0};
if (CA_STATUS_OK != get_input_data(secureRequest, MAX_BUF_LEN))
{
return;
}
if (strcmp(secureRequest, "1") == 0)
{
printf("Enter the URI like below....\n");
printf("coaps://10.11.12.13:4545/resource_uri ( for IP secure)\n");
}
else if (strcmp(secureRequest, "0") == 0)
{
printf("Enter the URI like below....\n");
printf("coap://10.11.12.13:4545/resource_uri ( for IP )\n");
printf("coap://10:11:12:13:45:45/resource_uri ( for BT )\n");
printf("coap+tcp://10:11:12:13:45:45/resource_uri ( for TCP )\n");
}
else
{
printf("Input data is wrong value\n");
return;
}
char uri[MAX_BUF_LEN] = {'\0'};
if (CA_STATUS_OK != get_input_data(uri, MAX_BUF_LEN))
{
return;
}
printf("URI : %s\n", uri);
addressSet_t address = {{}, 0};
parsing_coap_uri(uri, &address, &flags);
// create remote endpoint
CAEndpoint_t *endpoint = NULL;
res = CACreateEndpoint(flags, g_selected_nw_type,
(const char*)address.ipAddress, address.port, &endpoint);
if (CA_STATUS_OK != res || !endpoint)
{
printf("Failed to create remote endpoint, error code : %d\n", res);
return;
}
printf("\n=============================================\n");
printf("0:CON, 1:NON\n");
printf("select message type : ");
char buf[MAX_BUF_LEN] = { 0 };
if (CA_STATUS_OK != get_input_data(buf, MAX_BUF_LEN))
{
CADestroyEndpoint(endpoint);
return;
}
CAMessageType_t msgType = (buf[0] == '1') ? 1 : 0;
// create token
CAToken_t token = NULL;
uint8_t tokenLength = CA_MAX_TOKEN_LEN;
res = CAGenerateToken(&token, tokenLength);
if ((CA_STATUS_OK != res) || (!token))
{
printf("Token generate error, error code : %d\n", res);
CADestroyEndpoint(endpoint);
return;
}
// extract relative resourceuri from give uri
char resourceURI[RESOURCE_URI_LENGTH + 1] = {0};
get_resource_uri(uri, resourceURI, RESOURCE_URI_LENGTH);
printf("resourceURI : %s\n", resourceURI);
// create request data
CAInfo_t requestData = { .type = msgType,
.messageId = 0,
.token = token,
.tokenLength = tokenLength,
.options = NULL,
.numOptions = 0,
.payload = NULL,
.payloadSize = 0,
.resourceUri = (CAURI_t)resourceURI };
if (strcmp(secureRequest, "1") == 0)
{
size_t length = sizeof(SECURE_INFO_DATA) + strlen(resourceURI);
requestData.payload = (CAPayload_t) calloc(length, sizeof(char));
if (NULL == requestData.payload)
{
printf("Memory allocation fail\n");
goto exit;
}
snprintf((char *) requestData.payload, length, SECURE_INFO_DATA,
(const char *) resourceURI, g_local_secure_port);
requestData.payloadSize = length;
}
else
{
bool useBigPayload = select_payload_type();
if (useBigPayload)
{
size_t payloadLength = 0;
CAPayload_t binaryPayload = get_binary_payload(&payloadLength);
if (!binaryPayload)
{
free(binaryPayload);
goto exit;
}
requestData.payload = (CAPayload_t) malloc(payloadLength);
if (NULL == requestData.payload)
{
printf("Memory allocation failed!");
free(binaryPayload);
goto exit;
}
memcpy(requestData.payload, binaryPayload, payloadLength);
requestData.payloadSize = payloadLength;
// memory free
free(binaryPayload);
}
else
{
size_t length = sizeof(NORMAL_INFO_DATA) + strlen(resourceURI);
requestData.payload = (CAPayload_t) calloc(length, sizeof(char));
if (NULL == requestData.payload)
{
printf("Memory allocation fail\n");
goto exit;
}
snprintf((char *) requestData.payload, length, NORMAL_INFO_DATA,
(const char *) resourceURI);
requestData.payloadSize = length;
}
}
CAHeaderOption_t* headerOpt = get_option_data(&requestData);
CARequestInfo_t requestInfo = { .method = CA_GET,
.info = requestData,
.isMulticast = false };
// send request
res = CASendRequest(endpoint, &requestInfo);
if (CA_STATUS_OK != res)
{
printf("Could not send request : %d\n", res);
}
free(headerOpt);
free(requestData.payload);
exit:
// cleanup
CADestroyToken(token);
CADestroyEndpoint(endpoint);
printf("=============================================\n");
}
void send_secure_request()
{
char uri[MAX_BUF_LEN];
char ipv4addr[CA_IPADDR_SIZE];
printf("\n=============================================\n");
printf("Enter IPv4 address of the source hosting secure resource (Ex: 11.12.13.14)\n");
if (CA_STATUS_OK != get_input_data(ipv4addr, CA_IPADDR_SIZE))
{
return;
}
snprintf(uri, MAX_BUF_LEN, "%s%s:5684/a/light", COAPS_PREFIX, ipv4addr);
// create remote endpoint
CAEndpoint_t *endpoint = NULL;
CAResult_t res = CACreateEndpoint(0, CA_ADAPTER_IP, ipv4addr, SECURE_DEFAULT_PORT, &endpoint);
if (CA_STATUS_OK != res)
{
printf("Failed to create remote endpoint, error code: %d\n", res);
goto exit;
}
// create token
CAToken_t token = NULL;
uint8_t tokenLength = CA_MAX_TOKEN_LEN;
res = CAGenerateToken(&token, tokenLength);
if (CA_STATUS_OK != res)
{
printf("Token generate error, error code : %d\n", res);
goto exit;
}
// create request data
CAInfo_t requestData = { .type = CA_MSG_NONCONFIRM,
.messageId = 0,
.token = token,
.tokenLength = tokenLength,
.options = NULL,
.numOptions = 0,
.payload = NULL,
.payloadSize = 0,
.resourceUri = NULL };
CARequestInfo_t requestInfo = { .method = CA_GET,
.info = requestData,
.isMulticast = false };
// send request
CASendRequest(endpoint, &requestInfo);
exit:
// cleanup
CADestroyToken(token);
CADestroyEndpoint(endpoint);
printf("=============================================\n");
}
void send_request_all()
{
CATransportFlags_t flags = CA_DEFAULT_FLAGS;
CAResult_t res = get_network_type(&flags);
if (CA_STATUS_OK != res)
{
return;
}
printf("\n=============================================\n");
printf("ex) /a/light\n");
printf("resource uri : ");
char resourceURI[MAX_BUF_LEN] = { 0 };
if (CA_STATUS_OK != get_input_data(resourceURI, MAX_BUF_LEN))
{
return;
}
// create remote endpoint
CAEndpoint_t *group = NULL;
res = CACreateEndpoint(flags, g_selected_nw_type, NULL, 0, &group);
if (CA_STATUS_OK != res)
{
printf("Create remote endpoint error, error code: %d\n", res);
return;
}
// create token
CAToken_t token = NULL;
uint8_t tokenLength = CA_MAX_TOKEN_LEN;
res = CAGenerateToken(&token, tokenLength);
if ((CA_STATUS_OK != res) || (!token))
{
printf("Token generate error!!\n");
CADestroyEndpoint(group);
return;
}
// create request data
CAPayload_t payload = (CAPayload_t) "TempJsonPayload";
size_t payloadSize = strlen((const char *) payload);
CAInfo_t requestData = { .type = CA_MSG_NONCONFIRM,
.messageId = 0,
.token = token,
.tokenLength = tokenLength,
.options = NULL,
.numOptions = 0,
.payload = payload,
.payloadSize = payloadSize,
.resourceUri = (CAURI_t) resourceURI };
CARequestInfo_t requestInfo = { .method = CA_GET,
.info = requestData,
.isMulticast = true };
CAHeaderOption_t* headerOpt = get_option_data(&requestData);
// send request
res = CASendRequest(group, &requestInfo);
if (CA_STATUS_OK != res)
{
printf("Could not send request to all\n");
CADestroyToken(token);
}
else
{
CADestroyToken(g_last_request_token);
g_last_request_token = token;
}
free(headerOpt);
// destroy remote endpoint
CADestroyEndpoint(group);
printf("=============================================\n");
}
void send_notification()
{
CATransportFlags_t flags = CA_DEFAULT_FLAGS;
CAResult_t res = get_network_type(&flags);
if (CA_STATUS_OK != res)
{
return;
}
printf("\n=============================================\n");
printf("Enter the URI like below....\n");
printf("coap://10.11.12.13:4545/resource_uri ( for IP )\n");
printf("coap://10:11:12:13:45:45/resource_uri ( for BT )\n");
printf("coap+tcp://10:11:12:13:45:45/resource_uri ( for TCP )\n");
printf("uri : ");
char uri[MAX_BUF_LEN] = { 0 };
if (CA_STATUS_OK != get_input_data(uri, MAX_BUF_LEN))
{
return;
}
printf("\n=============================================\n");
printf("\tselect message type\n");
printf("CON : 0\n");
printf("NON : 1\n");
printf("ACK : 2\n");
printf("RESET : 3\n");
printf("select : ");
char messageTypeBuf[MAX_BUF_LEN] = { 0 };
if (CA_STATUS_OK != get_input_data(messageTypeBuf, MAX_BUF_LEN))
{
return;
}
int messageType = messageTypeBuf[0] - '0';
addressSet_t address = {{}, 0};
parsing_coap_uri(uri, &address, &flags);
// create remote endpoint
CAEndpoint_t *endpoint = NULL;
res = CACreateEndpoint(flags, g_selected_nw_type, address.ipAddress, address.port, &endpoint);
if (CA_STATUS_OK != res)
{
printf("Create remote endpoint error, error code: %d\n", res);
return;
}
// create token
CAToken_t token = NULL;
uint8_t tokenLength = CA_MAX_TOKEN_LEN;
res = CAGenerateToken(&token, tokenLength);
if ((CA_STATUS_OK != res) || (!token))
{
printf("Token generate error!!\n");
CADestroyEndpoint(endpoint);
return;
}
// create response data
CAPayload_t payload = (CAPayload_t) "TempNotificationData";
size_t payloadSize = strlen((const char *) payload);
CAInfo_t requestData = { .type = messageType,
.messageId = 0,
.token = token,
.tokenLength = tokenLength,
.options = NULL,
.numOptions = 0,
.payload = payload,
.payloadSize = payloadSize,
.resourceUri = (CAURI_t) uri };
CARequestInfo_t requestInfo = { .method = CA_GET,
.info = requestData };
// send request
res = CASendRequest(endpoint, &requestInfo);
if (CA_STATUS_OK != res)
{
printf("Send notification error, error code: %d\n", res);
}
else
{
printf("Send notification success\n");
}
// destroy token
CADestroyToken(token);
// destroy remote endpoint
CADestroyEndpoint(endpoint);
printf("\n=============================================\n");
}
void select_network()
{
printf("\n=============================================\n");
printf("\tselect network\n");
printf("IP : 0\n");
printf("GATT : 1\n");
printf("RFCOMM : 2\n");
printf("TCP : 4\n");
printf("select : ");
char buf[MAX_BUF_LEN] = { 0 };
if (CA_STATUS_OK != get_input_data(buf, MAX_BUF_LEN))
{
return;
}
int number = buf[0] - '0';
if (number < 0 || number > 4)
{
printf("Invalid network type\n");
return;
}
CAResult_t res = CASelectNetwork(1 << number);
if (CA_STATUS_OK != res)
{
printf("Select network error\n");
}
else
{
printf("Select network success\n");
}
printf("=============================================\n");
}
