102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
/*
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###############################################################################
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#
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# Temboo CoAP Edge Device library
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#
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# Copyright (C) 2017, Temboo Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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# either express or implied. See the License for the specific
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# language governing permissions and limitations under the License.
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#
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###############################################################################
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*/
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#ifndef TEMBOOCOAPIPSTACK_H_
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#define TEMBOOCOAPIPSTACK_H_
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#include <string.h>
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#include <Udp.h>
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#include "TembooGlobal.h"
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class TembooCoAPIPStack
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{
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public:
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enum Error {
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SUCCESS = 0,
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ERROR_RESOLVING,
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ERROR_WRITING,
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ERROR_SENDING,
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ERROR_RECEIVING
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};
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TembooCoAPIPStack(UDP& udp) : m_udp(udp) {}
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int sendDatagram(IPAddress address, uint16_t port, uint8_t* data, size_t len) {
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if (0 == m_udp.beginPacket(address, port)) {
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TEMBOO_TRACE("ERROR: ");
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TEMBOO_TRACELN("UDP begin");
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return ERROR_RESOLVING;
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}
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uint16_t c = m_udp.write(data, len);
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if (len != c) {
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TEMBOO_TRACE("ERROR: ");
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TEMBOO_TRACELN("UDP write");
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Serial.println(len);
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Serial.println(c);
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Serial.println((char*)data);
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return ERROR_WRITING;
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}
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if (0 == m_udp.endPacket()) {
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TEMBOO_TRACE("ERROR: ");
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TEMBOO_TRACELN("UDP send");
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return ERROR_SENDING;
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}
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return SUCCESS;
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}
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int recvDatagram(uint8_t* buffer, size_t maxLen, int32_t& count) {
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memset(buffer, 0, maxLen);
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count = 0;
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if (m_udp.parsePacket() > 0) {
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count = m_udp.read(buffer, maxLen);
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if (count < 0) {
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TEMBOO_TRACE("ERROR: ");
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TEMBOO_TRACELN("UDP read");
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return ERROR_RECEIVING;
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}
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}
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return SUCCESS;
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}
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IPAddress getRemoteAddress() {
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return m_udp.remoteIP();
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}
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uint16_t getRemotePort() {
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return m_udp.remotePort();
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}
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protected:
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UDP& m_udp;
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};
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#endif
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