restructuring

2026-02-28 11:54:30 +03:00 · 2022-03-10 11:04:14 +03:00
parent 29560b7c0c
commit 733dbd75d2
1758 changed files with 14 additions and 26855 deletions
--- a/deprecated/F1/client-term/Makefile
+++ b/deprecated/F1/client-term/Makefile
@@ -0,0 +1,22 @@
+PROGRAM = client
+LDFLAGS =
+SRCS = client.c
+CC = gcc
+DEFINES = -D_XOPEN_SOURCE=501
+CXX = gcc
+CFLAGS = -Wall -Werror $(DEFINES)
+OBJS = $(SRCS:.c=.o)
+all : $(PROGRAM) clean
+$(PROGRAM) : $(OBJS)
+	$(CC) $(CFLAGS) $(OBJS) $(LDFLAGS) -o $(PROGRAM)
+
+# some addition dependencies
+# %.o: %.c
+#        $(CC) $(LDFLAGS) $(CFLAGS) $< -o $@
+#$(SRCS) : %.c : %.h $(INDEPENDENT_HEADERS)
+#        @touch $@
+
+clean:
+	/bin/rm -f *.o *~
+depend:
+	$(CXX) -MM $(CXX.SRCS)
--- a/deprecated/F1/client-term/client.c
+++ b/deprecated/F1/client-term/client.c
@@ -0,0 +1,273 @@
+/*
+ * client.c - simple terminal client
+ *
+ * Copyright 2013 Edward V. Emelianoff <eddy@sao.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#include <termios.h>		// tcsetattr
+#include <unistd.h>			// tcsetattr, close, read, write
+#include <sys/ioctl.h>		// ioctl
+#include <stdio.h>			// printf, getchar, fopen, perror
+#include <stdlib.h>			// exit
+#include <sys/stat.h>		// read
+#include <fcntl.h>			// read
+#include <signal.h>			// signal
+#include <time.h>			// time
+#include <string.h>			// memcpy
+#include <stdint.h>			// int types
+#include <sys/time.h>		// gettimeofday
+
+#define BUFLEN 1024
+
+double t0; // start time
+
+FILE *fout = NULL; // file for messages duplicating
+char *comdev = "/dev/ttyUSB0";
+int BAUD_RATE = B115200;
+struct termio oldtty, tty; // TTY flags
+struct termios oldt, newt; // terminal flags
+int comfd; // TTY fd
+
+#define DBG(...) do{fprintf(stderr, __VA_ARGS__);}while(0)
+
+/**
+ * function for different purposes that need to know time intervals
+ * @return double value: time in seconds
+ */
+double dtime(){
+	double t;
+	struct timeval tv;
+	gettimeofday(&tv, NULL);
+	t = tv.tv_sec + ((double)tv.tv_usec)/1e6;
+	return t;
+}
+
+/**
+ * Exit & return terminal to old state
+ * @param ex_stat - status (return code)
+ */
+void quit(int ex_stat){
+	tcsetattr(STDIN_FILENO, TCSANOW, &oldt); // return terminal to previous state
+	ioctl(comfd, TCSANOW, &oldtty ); // return TTY to previous state
+	close(comfd);
+	if(fout) fclose(fout);
+	printf("Exit! (%d)\n", ex_stat);
+	exit(ex_stat);
+}
+
+/**
+ * Open & setup TTY, terminal
+ */
+void tty_init(){
+	// terminal without echo
+	tcgetattr(STDIN_FILENO, &oldt);
+	newt = oldt;
+	newt.c_lflag &= ~(ICANON | ECHO);
+	if(tcsetattr(STDIN_FILENO, TCSANOW, &newt) < 0) quit(-2);
+	printf("\nOpen port...\n");
+	if ((comfd = open(comdev,O_RDWR|O_NOCTTY|O_NONBLOCK)) < 0){
+		fprintf(stderr,"Can't use port %s\n",comdev);
+		quit(1);
+	}
+	printf(" OK\nGet current settings...\n");
+	if(ioctl(comfd,TCGETA,&oldtty) < 0) exit(-1); // Get settings
+	tty = oldtty;
+	tty.c_lflag     = 0; // ~(ICANON | ECHO | ECHOE | ISIG)
+	tty.c_oflag     = 0;
+	tty.c_cflag     = BAUD_RATE|CS8|CREAD|CLOCAL; // 9.6k, 8N1, RW, ignore line ctrl
+	tty.c_cc[VMIN]  = 0;  // non-canonical mode
+	tty.c_cc[VTIME] = 5;
+	if(ioctl(comfd,TCSETA,&tty) < 0) exit(-1); // set new mode
+	printf(" OK\n");
+	tcsetattr(STDIN_FILENO, TCSANOW, &newt);
+}
+
+/**
+ * getchar() without echo
+ * wait until at least one character pressed
+ * @return character readed
+ *
+int mygetchar(){
+	int ret;
+	do ret = read_console();
+	while(ret == 0);
+	return ret;
+}*/
+
+/**
+ * read both tty & console
+ * @param buff (o)    - buffer for messages readed from tty
+ * @param length (io) - buff's length (return readed len or 0)
+ * @param rb (o)      - byte readed from console or -1
+ * @return 1 if something was readed here or there
+ */
+int read_tty_and_console(char *buff, size_t *length, int *rb){
+	ssize_t L;
+	// ssize_t l;
+	size_t buffsz = *length;
+	struct timeval tv;
+	int sel, retval = 0;
+	fd_set rfds;
+	FD_ZERO(&rfds);
+	FD_SET(STDIN_FILENO, &rfds);
+	FD_SET(comfd, &rfds);
+	tv.tv_sec = 0; tv.tv_usec = 10000;
+	sel = select(comfd + 1, &rfds, NULL, NULL, &tv);
+	if(sel > 0){
+		if(FD_ISSET(STDIN_FILENO, &rfds)){
+			*rb = getchar();
+			retval = 1;
+		}else{
+			*rb = -1;
+		}
+		if(FD_ISSET(comfd, &rfds)){
+			if((L = read(comfd, buff, buffsz)) < 1){ // disconnect or other troubles
+				fprintf(stderr, "USB error or disconnected!\n");
+				quit(1);
+			}else{
+				if(L == 0){ // USB disconnected
+					fprintf(stderr, "USB disconnected!\n");
+					quit(1);
+				}
+				// all OK continue reading
+		/*		DBG("readed %zd bytes, try more.. ", L);
+				buffsz -= L;
+				while(buffsz > 0 && (l = read(comfd, buff+L, buffsz)) > 0){
+					L += l;
+					buffsz -= l;
+				}
+				DBG("full len: %zd\n", L); */
+				*length = (size_t) L;
+				retval = 1;
+			}
+		}else{
+			*length = 0;
+		}
+	}
+	return retval;
+}
+
+void help(){
+	printf("Use this commands:\n"
+		"h\tShow this help\n"
+		"q\tQuit\n"
+	);
+}
+
+void con_sig(int rb){
+	char cmd;
+	if(rb < 1) return;
+	if(rb == 'q') quit(0); // q == exit
+	cmd = (char) rb;
+	write(comfd, &cmd, 1);
+	/*switch(rb){
+		case 'h':
+			help();
+		break;
+		default:
+			cmd = (uint8_t) rb;
+			write(comfd, &cmd, 1);
+	}*/
+}
+
+/**
+ * Get integer value from buffer
+ * @param buff (i) - buffer with int
+ * @param len      - length of data in buffer (could be 2 or 4)
+ * @return
+ */
+uint32_t get_int(char *buff, size_t len){
+	if(len != 2 && len != 4){
+		fprintf(stdout, "Bad data length!\n");
+		return 0xffffffff;
+	}
+	uint32_t data = 0;
+	uint8_t *i8 = (uint8_t*) &data;
+	if(len == 2) memcpy(i8, buff, 2);
+	else memcpy(i8, buff, 4);
+	return data;
+}
+
+/**
+ * Copy line by line buffer buff to file removing cmd starting from newline
+ * @param buffer - data to put into file
+ * @param cmd - symbol to remove from line startint (if found, change *cmd to (-1)
+ * 			or NULL, (-1) if no command to remove
+ */
+void copy_buf_to_file(char *buffer, int *cmd){
+	char *buff, *line, *ptr;
+	if(!cmd || *cmd < 0){
+		fprintf(fout, "%s", buffer);
+		return;
+	}
+	buff = strdup(buffer), ptr = buff;
+	do{
+		if(!*ptr) break;
+		if(ptr[0] == (char)*cmd){
+			*cmd = -1;
+			ptr++;
+			if(ptr[0] == '\n') ptr++;
+			if(!*ptr) break;
+		}
+		line = ptr;
+		ptr = strchr(buff, '\n');
+		if(ptr){
+			*ptr++ = 0;
+			//fprintf(fout, "%s\n", line);
+		}//else
+			//fprintf(fout, "%s", line); // no newline found in buffer
+		fprintf(fout, "%s\n", line);
+	}while(ptr);
+	free(buff);
+}
+
+int main(int argc, char *argv[]){
+	int rb, oldcmd = -1;
+	char buff[BUFLEN+1];
+	size_t L;
+	if(argc == 2){
+		fout = fopen(argv[1], "a");
+		if(!fout){
+			perror("Can't open output file");
+			exit(-1);
+		}
+		setbuf(fout, NULL);
+	}
+	tty_init();
+	signal(SIGTERM, quit);		// kill (-15)
+	signal(SIGINT, quit);		// ctrl+C
+	signal(SIGQUIT, SIG_IGN);	// ctrl+\   .
+	signal(SIGTSTP, SIG_IGN);	// ctrl+Z
+	setbuf(stdout, NULL);
+	t0 = dtime();
+	while(1){
+		L = BUFLEN;
+		if(read_tty_and_console(buff, &L, &rb)){
+			if(rb > 0){
+				con_sig(rb);
+				oldcmd = rb;
+			}
+			if(L){
+				buff[L] = 0;
+				printf("%s", buff);
+				if(fout){
+					copy_buf_to_file(buff, &oldcmd);
+				}
+			}
+		}
+	}
+}