small linux related changes

docs/networks.txt

@@ -39,5 +39,60 @@ route add 192.168.0.177 mask 255.255.255.255 192.168.8.10 if 18
 to print out interface id's  in Windows:     route print
 
 
+Jetson iptables
+------------------------------
+almost everywhere, eth0 to teensy interface  is "WAN", wlan0 is "LAN"
+https://serverfault.com/questions/564866/how-to-set-up-linux-server-as-a-router-with-nat
+
+systemctl enable networkd-dispatcher.service   from https://askubuntu.com/questions/1256921/cant-get-networkd-dispatcher-scripts-working
+https://ittricks.ru/administrirovanie/linux/531/iptables-poryadok-proxozhdeniya-tablic-i-cepochek
+
+---------------------------------------------------------------------------------
+jetson iptables:
+# Generated by iptables-save v1.8.4 on Sat Sep 16 20:49:44 2023
+*nat
+:PREROUTING ACCEPT [153:11293]
+:INPUT ACCEPT [153:11293]
+:OUTPUT ACCEPT [906:68481]
+:POSTROUTING ACCEPT [337:24815]
+:DOCKER - [0:0]
+-A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
+-A OUTPUT ! -d 127.0.0.0/8 -m addrtype --dst-type LOCAL -j DOCKER
+-A POSTROUTING -s 172.17.0.0/16 ! -o docker0 -j MASQUERADE
+-A POSTROUTING -o eth0 -j MASQUERADE
+-A POSTROUTING -o wlan0 -j MASQUERADE
+-A DOCKER -i docker0 -j RETURN
+COMMIT
+# Completed on Sat Sep 16 20:49:44 2023
+# Generated by iptables-save v1.8.4 on Sat Sep 16 20:49:44 2023
+*filter
+:INPUT ACCEPT [90993:195069867]
+:FORWARD ACCEPT [0:0]
+:OUTPUT ACCEPT [73917:26499861]
+:DOCKER - [0:0]
+:DOCKER-ISOLATION-STAGE-1 - [0:0]
+:DOCKER-ISOLATION-STAGE-2 - [0:0]
+:DOCKER-USER - [0:0]
+-A FORWARD -j DOCKER-USER
+-A FORWARD -j DOCKER-ISOLATION-STAGE-1
+-A FORWARD -o docker0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+-A FORWARD -o docker0 -j DOCKER
+-A FORWARD -i docker0 ! -o docker0 -j ACCEPT
+-A FORWARD -i docker0 -o docker0 -j ACCEPT
+-A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
+-A FORWARD -i wlan0 -o eth0 -j ACCEPT
+-A FORWARD -i eth0 -j ACCEPT
+-A DOCKER-ISOLATION-STAGE-1 -i docker0 ! -o docker0 -j DOCKER-ISOLATION-STAGE-2
+-A DOCKER-ISOLATION-STAGE-1 -j RETURN
+-A DOCKER-ISOLATION-STAGE-2 -o docker0 -j DROP
+-A DOCKER-ISOLATION-STAGE-2 -j RETURN
+-A DOCKER-USER -j RETURN
+COMMIT
+# Completed on Sat Sep 16 20:49:44 2023
+
+
+
+
+
 
 

interface/console/console.cpp

@@ -2,6 +2,8 @@
 
 #ifdef WIN32
 	#include <SDKDDKVer.h>
+#else
+	//#include <ncurses.h>
 #endif
 
 #include <stdio.h>
@@ -12,10 +14,12 @@
 
 #include "inproc.h"
 #include "eth_client.h"
+#include <stdarg.h>
 #include <xmroundbuf.h>
 
 EthClient cli;
 std::chrono::time_point<std::chrono::steady_clock> pingTime;
+int xmprintf(const char * s, ...);
 
 struct PingInfo {
 	unsigned char id;
@@ -27,11 +31,11 @@ XMRoundBuf<PingInfo, 10> pingInfo;
 
 void teeData(char* s, int size) {
 	s[size] = 0;
-	//printf("\n teeData {%s} \n", s);
-	printf("%s", s);
+	//xmprintf("\n teeData {%s} \n", s);
+	xmprintf("%s", s);
 }
 void inpData(char* s) {
-	//printf(" INPDATA {%s} \n", s);
+	//xmprintf(" INPDATA {%s} \n", s);
 	cli.do_write(s);
 }
 
@@ -46,78 +50,77 @@ void ping(unsigned char id, unsigned int time) {
 
 
 int main(int argc, char *argv[]) {
-	//printf("starting .. ");
+	//xmprintf("starting .. ");
 	//boost::asio::io_context io_context1;
 	//boost::asio::ip::tcp::socket s1(io_context1);
 
+	#ifndef WIN32
+
+	#endif
+
 
 	using namespace std::chrono_literals;
+	std::thread inp(inputProc, inpData);
 	pingInfo.clear();
 	pingTime = std::chrono::steady_clock::now();
-	//printf("console starting .. ");
+	//xmprintf("console starting .. ");
 	//cli.startClient(teeData);
 	std::thread tcp([&] { cli.startClient(teeData, ping); } );
 	std::unique_lock<std::mutex> lk(mu);
 	if (cv.wait_for(lk, 1800ms, [] {return cli.connected; })) {
-		printf("tee\n");
+		xmprintf("tee\n");
 	} else {
-		printf("cannot connect to server \n");
+		xmprintf("cannot connect to server \n");
 		cli.StopClient();
 		std::this_thread::sleep_for(200ms);
 		tcp.join();
 		return 0;
 	}
-
-
-	std::thread inp(inputProc, inpData);
-
-
-	//printf("main thread started \n");
+	//xmprintf("main thread started \n");
 	while (!inpExitRequest) {
 		std::this_thread::sleep_for(200ms);
 
 		std::chrono::time_point<std::chrono::steady_clock> now = std::chrono::steady_clock::now();
 		long long dt = std::chrono::duration_cast<std::chrono::milliseconds>(now - pingTime).count() ;
 		if (dt > 1500) {
-			printf("ping timeout; dt = %llu milliseconds \r\n", dt);
+			xmprintf("ping timeout; dt = %llu milliseconds \r\n", dt);
 			inpExitRequest = true;
-			//printf("111 \r\n");	
-			printf("ping times: \r\n");
+			//xmprintf("111 \r\n");	
+			xmprintf("ping times: \r\n");
 			for (int i = 0; i < pingInfo.num; i++) {
 				long long dx = std::chrono::duration_cast<std::chrono::milliseconds>(now - pingInfo[i].pcTime).count();
-				printf("%d\t(%u, %u, %llu)   \r\n", i, pingInfo[i].id, pingInfo[i].teensyTime, dx);
+				xmprintf("%d\t(%u, %u, %llu)   \r\n", i, pingInfo[i].id, pingInfo[i].teensyTime, dx);
 			}
 
 			break;
 		}
 		if (!cli.connected) {
-			printf("server disconnected \r\n");
+			xmprintf("server disconnected \r\n");
 			break;
 		}
 	}
-	//printf("222 \r\n");
+	//xmprintf("222 \r\n");
 	inpExitRequest = true;
 	//ungetc('q', stdin);
-	//printf("exiting .. ");
+	//xmprintf("exiting .. ");
 	//std::cout << "exiting .. ";
 	//for (int i = 0; i < 250; i++) { ungetc('q', stdin);   ungetc('\r', stdin);    ungetc('\n', stdin);  }
 
-	printf("stopping tcp .. \r\n");
+	xmprintf("stopping tcp .. \r\n");
 	cli.StopClient();
 	tcp.join();
-	printf("tcp thread finished \r\n");
+	xmprintf("tcp thread finished \r\n");
 
 	std::this_thread::sleep_for(200ms);
 	inp.join();
-	printf("inp thread finished \r\n");
+	xmprintf("inp thread finished \r\n");
 
-	printf("console stop\r\n");
+	xmprintf("console stop\r\n");
 	return 0;
 }
 
-
 void assert_failed(const char* file, unsigned int line, const char* str) {
-	printf("AF: file %s, line %d, (%s)\n", file, line, str);
+	xmprintf("AF: file %s, line %d, (%s)\n", file, line, str);
 }
 
 int XQSendInfo(const unsigned char* data, unsigned short int size) {