--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rvinterf/lowlevel/rvifmain.c	Sat Nov 23 07:40:13 2013 +0000
@@ -0,0 +1,117 @@
+/*
+ * This module contains the main() function for rvinterf
+ */
+
+#include <sys/types.h>
+#include <sys/errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include "../pktmux.h"
+
+extern int target_fd;
+extern char *baudrate_name;
+
+extern u_char rxpkt[];
+extern size_t rxpkt_len;
+
+char *logfname;
+FILE *logF;
+time_t logtime;
+int background;
+
+main(argc, argv)
+	char **argv;
+{
+	extern char *optarg;
+	extern int optind;
+	int c;
+	fd_set fds;
+
+	while ((c = getopt(argc, argv, "bB:d:l:")) != EOF)
+		switch (c) {
+		case 'b':
+			background++;
+			continue;
+		case 'B':
+			baudrate_name = optarg;
+			continue;
+		case 'd':
+			target_fd = atoi(optarg);
+			continue;
+		case 'l':
+			logfname = optarg;
+			continue;
+		case '?':
+		default:
+usage:			fprintf(stderr,
+				"usage: %s [options] ttyport\n", argv[0]);
+			exit(1);
+		}
+	if (target_fd <= 0) {
+		if (argc - optind != 1)
+			goto usage;
+		open_target_serial(argv[optind]);
+	}
+
+	set_serial_nonblock(0);
+	setlinebuf(stdout);
+	if (logfname) {
+		logF = fopen(logfname, "w");
+		if (!logF) {
+			perror(logfname);
+			exit(1);
+		}
+		fprintf(logF, "*** Log of rvinterf session ***\n");
+		setlinebuf(logF);
+	}
+	if (background) {
+		c = fork();
+		if (c < 0) {
+			perror("fork");
+			exit(1);
+		}
+		if (c) {
+			printf("rvinterf forked into background (pid %d)\n", c);
+			exit(0);
+		}
+	}
+	for (;;) {
+		FD_ZERO(&fds);
+		FD_SET(target_fd, &fds);
+		c = select(target_fd+1, &fds, 0, 0, 0);
+		time(&logtime);
+		if (c < 0) {
+			if (errno == EINTR)
+				continue;
+			perror("select");
+			exit(1);
+		}
+		if (FD_ISSET(target_fd, &fds))
+			process_serial_rx();
+	}
+}
+
+handle_rx_packet()
+{
+	switch (rxpkt[0]) {
+	case RVT_RV_HEADER:
+		if (rxpkt_len < 6)
+			goto unknown;
+		print_rv_trace();
+		return;
+	case RVT_L1_HEADER:
+		print_l1_trace();
+		return;
+	case RVT_L23_HEADER:
+		print_g23_trace();
+		return;
+	case RVT_TM_HEADER:
+		print_etm_output_raw();
+		return;
+	default:
+	unknown:
+		print_unknown_packet();
+	}
+}