Library for handling subset of coap functionality by radio transmitter.
Dependencies: nRF24L01P cantcoap
Diff: coapServer.cpp
- Revision:
- 2:c3ca8b8526e0
- Parent:
- 1:1d936c763440
- Child:
- 4:9f635ab44d8e
--- a/coapServer.cpp Sun Jan 20 13:48:02 2019 +0000 +++ b/coapServer.cpp Sun Jan 20 23:27:10 2019 +0000 @@ -3,18 +3,20 @@ // #include "coapServer.h" +#include "dbg.h" int CoapServer::listen(uint8_t* buffer, int len, METHOD* requestMethod, int* uriNumber) { uint8_t requestBuffer[radioWrapper.packetSize()]; int ret = radioWrapper.read(requestBuffer, radioWrapper.packetSize(), this->listeningTimeout); + DBG("REC: %d \r\n", ret); if (ret < 0) { return RADIO_NOT_WORKING; - } else { - CoapPDU request(requestBuffer, radioWrapper.packetSize(), ret); + } else if (ret > 0) { + CoapPDU request(requestBuffer, ret, radioWrapper.packetSize()); if (request.validate()) { - + request.printHuman(); this->lastMessageId = request.getMessageID(); - std::memcpy(this->lastMessageToken, request.getTokenPointer(), 4); + std::memcpy(this->lastMessageToken, request.getTokenPointer(), 1); if (request.getPayloadLength() <= len) { std::memcpy(buffer, request.getPayloadPointer(), static_cast<size_t>(request.getPayloadLength())); if (request.getCode() == CoapPDU::COAP_GET) { @@ -26,13 +28,14 @@ int requestUriLen = 0; request.getURI(requestUri, 32, &requestUriLen); bool foundMatchingUri = false; + DBG("URI: %s", requestUri); for (int i = 0; i < urisNumber; ++i) { - if(std::strcmp(requestUri, this->uris[i].data()) == 0) { + if (std::strcmp(requestUri, this->uris[i].data()) == 0) { *uriNumber = i; foundMatchingUri = true; } } - if(!foundMatchingUri) { + if (!foundMatchingUri) { return UNKNOWN_URI; } return request.getPayloadLength(); @@ -48,21 +51,28 @@ CoapPDU response = CoapPDU(); prepareAckPDU(response); response.setCode(responseCode); + + DBG("uri: %d, %s", (int) uris[uri].size(), uris[uri].data()); + if (response.addOption(CoapPDU::COAP_OPTION_URI_PATH, (int) uris[uri].size(), (uint8_t*) uris[uri].data()) != 0) { + return COAP_ERROR; + } + DBG("SEND RESPONSE"); response.setPayload(buffer, len); - response.setURI((char*) uris[uri].data(), (int)uris[uri].size()); + response.printHuman(); int ret = radioWrapper.write(response.getPDUPointer(), response.getPDULength()); - if(ret < 0) { + if (ret < 0) { return RADIO_NOT_WORKING; } - return 0; + return ret; } void CoapServer::prepareAckPDU(CoapPDU& coapPDU) { coapPDU.setVersion(1); coapPDU.setType(CoapPDU::COAP_ACKNOWLEDGEMENT); coapPDU.setMessageID(this->lastMessageId); - coapPDU.setToken(this->lastMessageToken, 4); + coapPDU.setToken(this->lastMessageToken, 1); } -CoapServer::CoapServer(int timeout, std::string* uris, int urisNumber, int channel, unsigned long long rx_address, unsigned long long tx_address): -listeningTimeout(timeout), radioWrapper(channel, rx_address, tx_address), urisNumber(urisNumber), uris(uris) {} \ No newline at end of file +CoapServer::CoapServer(int timeout, std::string* uris, int urisNumber, int channel, unsigned long long rx_address, + unsigned long long tx_address) : + listeningTimeout(timeout), radioWrapper(channel, rx_address, tx_address), urisNumber(urisNumber), uris(uris) {} \ No newline at end of file