124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
/*
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Copyright 2016-2019 Bo Zimmerman
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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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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#define PACKET_BUF_SIZE 256
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#ifdef ZIMODEM_ESP32
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# include <WiFiClientSecure.h>
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#endif
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#ifdef INCLUDE_SSH
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# include "wifisshclient.h"
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#endif
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static WiFiClient *createWiFiClient(bool SSL)
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{
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#ifdef ZIMODEM_ESP32
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if(SSL)
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{
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WiFiClientSecure *c = new WiFiClientSecure();
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c->setInsecure();
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return c;
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}
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else
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#else
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//WiFiClientSecure *c = new WiFiClientSecure();
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//c->setInsecure();
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#endif
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return new WiFiClient();
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}
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typedef struct Packet
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{
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uint8_t num = 0;
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uint16_t len = 0;
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uint8_t buf[PACKET_BUF_SIZE] = {0};
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};
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class WiFiClientNode : public Stream
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{
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private:
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void finishConnectionLink();
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int flushOverflowBuffer();
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void fillUnderflowBuf();
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WiFiClient client;
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WiFiClient *clientPtr;
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bool answered=true;
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int ringsRemain=0;
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unsigned long nextRingMillis = 0;
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unsigned long nextDisconnect = 0;
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void constructNode();
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void constructNode(char *hostIp, int newport, int flagsBitmap, int ringDelay);
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void constructNode(char *hostIp, int newport, char *username, char *password, int flagsBitmap, int ringDelay);
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public:
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int id=0;
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char *host;
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int port;
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bool wasConnected=false;
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bool serverClient=false;
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int flagsBitmap = 0;
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char *delimiters = NULL;
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char *maskOuts = NULL;
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char *stateMachine = NULL;
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char *machineState = NULL;
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String machineQue = "";
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uint8_t nextPacketNum=1;
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uint8_t blankPackets=0;
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struct Packet lastPacket[3]; // 0 = current buf, 1&2 are back-cache bufs
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//struct Packet underflowBuf; // underflows no longer handled this way
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WiFiClientNode *next = null;
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WiFiClientNode(char *hostIp, int newport, int flagsBitmap);
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WiFiClientNode(char *hostIp, int newport, char *username, char *password, int flagsBitmap);
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WiFiClientNode(WiFiClient newClient, int flagsBitmap, int ringDelay);
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~WiFiClientNode();
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bool isConnected();
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FlowControlType getFlowControl();
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bool isPETSCII();
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bool isEcho();
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bool isTelnet();
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bool isAnswered();
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void answer();
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int ringsRemaining(int delta);
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unsigned long nextRingTime(long delta);
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void markForDisconnect();
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bool isMarkedForDisconnect();
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bool isDisconnectedOnStreamExit();
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void setDisconnectOnStreamExit(bool tf);
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void setNoDelay(bool tf);
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size_t write(uint8_t c);
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size_t write(const uint8_t *buf, size_t size);
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void print(String s);
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int read();
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int peek();
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void flush();
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void flushAlways();
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int available();
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int read(uint8_t *buf, size_t size);
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String readLine(unsigned int timeout);
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static int getNumOpenWiFiConnections();
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static void checkForAutoDisconnections();
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};
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