Revision 53110989
Added by Hamish Coleman almost 16 years ago
- ID 53110989d0c9efe1f8f2e4b7fb29d5a5ddce4930
| wconsd.c | ||
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#define VERSION "0.1.2"
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#define HEADER "wconsd " VERSION " a serial port server\r\n\r\n"
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#define HELP "available commands:\r\n\n port, speed, data, parity, stop\r\n help, status, copyright\r\n open, close, autoclose\r\n"
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/* Size of buffers for send and receive */
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#define BUFSIZE 1024
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#define MAXLEN 1024
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return 0;
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}
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void send_header(SOCKET cs) {
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#define HEADER "wconsd " VERSION " a serial port server\r\n\r\n"
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send(cs,HEADER,strlen(HEADER),0);
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}
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void send_help(SOCKET cs) {
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#define HELP "available commands:\r\n\n port, speed, data, parity, stop\r\n help, status, copyright\r\n open, close, autoclose\r\n"
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send(cs,HELP,strlen(HELP),0);
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}
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int process_menu_command(char *command, char *parameter) {
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BYTE msg[MAXLEN];
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DWORD errcode;
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BOOL menu=TRUE;
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if (!strcmp(command, "help") || !strcmp(command, "?")) { // help
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send_help(cs);
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} else if (!strcmp(command, "status")) { // status
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sprintf(msg, "status:\r\n\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "copyright")) { // copyright
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sprintf(msg, " Copyright (c) 2003 by Benjamin Schweizer <gopher at h07 dot org>\r\n 1998 by Stephen Early <Stephen.Early@cl.cam.ac.uk>\r\n\r\n\r\n This program is free software; you can redistribute it and/or modify\r\n it under the terms of the GNU General Public License as published by\r\n the Free Software Foundation; either version 2 of the License, or\r\n (at your option) any later version.\r\n \r\n This program is distributed in the hope that it will be useful,\r\n but WITHOUT ANY WARRANTY; without even the implied warranty of\r\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r\n GNU General Public License for more details.\r\n \r\n You should have received a copy of the GNU General Public License\r\n along with this program; if not, write to the Free Software\r\n Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\r\n\n");
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "port")) { // port
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if (atoi(parameter) >= 1 && atoi(parameter) <= 16) {
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com_port=atoi(parameter);
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "speed")) { // speed
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if (atoi(parameter) > 0) {
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com_speed=atoi(parameter);
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "data")) { // data
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if (!strcmp(parameter, "5")) {
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com_data=5;
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} else if (!strcmp(parameter, "6")) {
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com_data=6;
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} else if (!strcmp(parameter, "7")) {
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com_data=7;
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} else if (!strcmp(parameter, "8")) {
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com_data=8;
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "parity")) { // parity
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if (!strcmp(parameter, "no") || !strcmp(parameter, "0")) {
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com_parity=NOPARITY;
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} else if (!strcmp(parameter, "even") || !strcmp(parameter, "2")) {
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com_parity=EVENPARITY;
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} else if (!strcmp(parameter, "odd") || !strcmp(parameter, "1")) {
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com_parity=ODDPARITY;
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} else if (!strcmp(parameter, "mark")) {
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com_parity=MARKPARITY;
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} else if (!strcmp(parameter, "space")) {
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com_parity=SPACEPARITY;
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "stop")) {
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if (!strcmp(parameter, "one") || !strcmp(parameter, "1")) {
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com_stop=ONESTOPBIT;
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} else if (!strcmp(parameter, "one5") || !strcmp(parameter, "1.5")) {
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com_stop=ONE5STOPBITS;
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} else if (!strcmp(parameter, "two") || !strcmp(parameter, "2")) {
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com_stop=TWOSTOPBITS;
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "open")) { // open
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if (atoi(parameter) > 0) { // optional port parameter
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com_port=atoi(parameter);
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}
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if (!com_state) {
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if (!open_com_port(&errcode)) {
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send(cs,"\r\n\f",3,0);
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menu=FALSE;
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return menu;
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} else {
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sprintf(msg, "error:\r\n can't open port.\r\n\n");
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send(cs,msg,strlen(msg),0);
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}
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} else { // port ist still open
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send(cs,"\r\n\f",3,0);
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menu=FALSE;
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return menu;
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}
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} else if (!strcmp(command, "close")) { // close
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close_com_port();
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sprintf(msg, "info:\r\n actual com port closed.\r\n\n");
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "autoclose")) { // autoclose
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if (!strcmp(parameter, "true") || !strcmp(parameter, "1") || !strcmp(parameter, "yes")) {
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com_autoclose=TRUE;
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} else if (!strcmp(parameter, "false") || !strcmp(parameter, "0") || !strcmp(parameter, "no")) {
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com_autoclose=FALSE;
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else { // else
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sprintf(msg, "debug:\r\n command: '%s' parameter: '%s'\r\n\n", command, parameter);
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send(cs,msg,strlen(msg),0);
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sprintf(msg, "\r\n\n");
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send(cs,msg,strlen(msg),0);
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}
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return menu;
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}
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int run_menu() {
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/* no comment */
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BYTE buf[BUFSIZE], msg[MAXLEN], line[MAXLEN], command[MAXLEN], parameter[MAXLEN];
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DWORD errcode;
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DWORD size, linelen=0;
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char *buf2split=0, *cmdsplit=0;
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BOOL menu=TRUE;
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char *linep;
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unsigned long zero=0;
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send(cs,HEADER,strlen(HEADER),0);
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send(cs,HELP,strlen(HELP),0);
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send_header(cs);
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send_help(cs);
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send(cs,"> ",2,0);
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while (menu) {
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size=recv(cs,buf,BUFSIZE,0);
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if (size==SOCKET_ERROR) {
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/* General paranoia about blocking sockets */
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ioctlsocket(cs,FIONBIO,&zero);
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continue;
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}
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if (size!=SOCKET_ERROR) {
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for (i = 0; i < size; i++) {
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if (buf[i] == 127) { // backspace
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if (linelen > 0) {
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send(cs,"\x7f",1,0);
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linelen--;
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} else {
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send(cs,"\x07",1,0); // bell
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}
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} else if (buf[i] == 13) { // cr
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send(cs,HEADER,strlen(HEADER),0);
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line[linelen]=32; // ensure that there is
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line[linelen+1]=0; // at least one seperator
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linep=line;
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memcpy(command,line, strchr(linep, 32) - linep); // seperator
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memcpy(parameter,strchr(line, 32)+1, linep+linelen-strchr(line, 32)); // seperator
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command[strchr(line, 32) - linep]=0;
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if (linep+linelen-strchr(line, 32)-1 < 0) {
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parameter[0]=0;
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} else {
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parameter[linep+linelen-strchr(line, 32)-1]=0;
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}
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if (!strcmp(command, "help") || !strcmp(command, "?")) { // help
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send(cs,HELP,strlen(HELP),0);
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} else if (!strcmp(command, "status")) { // status
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sprintf(msg, "status:\r\n\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "copyright")) { // copyright
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sprintf(msg, " Copyright (c) 2003 by Benjamin Schweizer <gopher at h07 dot org>\r\n 1998 by Stephen Early <Stephen.Early@cl.cam.ac.uk>\r\n\r\n\r\n This program is free software; you can redistribute it and/or modify\r\n it under the terms of the GNU General Public License as published by\r\n the Free Software Foundation; either version 2 of the License, or\r\n (at your option) any later version.\r\n \r\n This program is distributed in the hope that it will be useful,\r\n but WITHOUT ANY WARRANTY; without even the implied warranty of\r\n MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r\n GNU General Public License for more details.\r\n \r\n You should have received a copy of the GNU General Public License\r\n along with this program; if not, write to the Free Software\r\n Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.\r\n\n");
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "port")) { // port
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if (atoi(parameter) >= 1 && atoi(parameter) <= 16) {
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com_port=atoi(parameter);
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "speed")) { // speed
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if (atoi(parameter) > 0) {
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com_speed=atoi(parameter);
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "data")) { // data
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if (!strcmp(parameter, "5")) {
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com_data=5;
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} else if (!strcmp(parameter, "6")) {
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com_data=6;
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} else if (!strcmp(parameter, "7")) {
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com_data=7;
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} else if (!strcmp(parameter, "8")) {
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com_data=8;
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "parity")) { // parity
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if (!strcmp(parameter, "no") || !strcmp(parameter, "0")) {
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com_parity=NOPARITY;
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} else if (!strcmp(parameter, "even") || !strcmp(parameter, "2")) {
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com_parity=EVENPARITY;
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} else if (!strcmp(parameter, "odd") || !strcmp(parameter, "1")) {
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com_parity=ODDPARITY;
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} else if (!strcmp(parameter, "mark")) {
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com_parity=MARKPARITY;
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} else if (!strcmp(parameter, "space")) {
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com_parity=SPACEPARITY;
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "stop")) {
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if (!strcmp(parameter, "one") || !strcmp(parameter, "1")) {
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com_stop=ONESTOPBIT;
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} else if (!strcmp(parameter, "one5") || !strcmp(parameter, "1.5")) {
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com_stop=ONE5STOPBITS;
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} else if (!strcmp(parameter, "two") || !strcmp(parameter, "2")) {
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com_stop=TWOSTOPBITS;
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}
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sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
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send(cs,msg,strlen(msg),0);
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if(com_state) {
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sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
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} else {
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sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
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}
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send(cs,msg,strlen(msg),0);
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} else if (!strcmp(command, "open")) { // open
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if (atoi(parameter) > 0) { // optional port parameter
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com_port=atoi(parameter);
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}
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if (!com_state) {
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if (!open_com_port(&errcode)) {
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send(cs,"\r\n\f",3,0);
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menu=FALSE;
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return 0;
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} else {
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sprintf(msg, "error:\r\n can't open port.\r\n\n");
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send(cs,msg,strlen(msg),0);
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}
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} else { // port ist still open
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||
|
send(cs,"\r\n\f",3,0);
|
||
|
menu=FALSE;
|
||
|
return 0;
|
||
|
}
|
||
|
} else if (!strcmp(command, "close")) { // close
|
||
|
close_com_port();
|
||
|
sprintf(msg, "info:\r\n actual com port closed.\r\n\n");
|
||
|
send(cs,msg,strlen(msg),0);
|
||
|
} else if (!strcmp(command, "autoclose")) { // autoclose
|
||
|
if (!strcmp(parameter, "true") || !strcmp(parameter, "1") || !strcmp(parameter, "yes")) {
|
||
|
com_autoclose=TRUE;
|
||
|
} else if (!strcmp(parameter, "false") || !strcmp(parameter, "0") || !strcmp(parameter, "no")) {
|
||
|
com_autoclose=FALSE;
|
||
|
}
|
||
|
sprintf(msg, "status:\r\n port=%d speed=%d data=%d parity=%d stop=%d\r\n\n", com_port, com_speed, com_data, com_parity, com_stop);
|
||
|
send(cs,msg,strlen(msg),0);
|
||
|
if(com_state) {
|
||
|
sprintf(msg, " state=open autoclose=%d\r\n\n", com_autoclose);
|
||
|
} else {
|
||
|
sprintf(msg, " state=closed autoclose=%d\r\n\n", com_autoclose);
|
||
|
}
|
||
|
send(cs,msg,strlen(msg),0);
|
||
|
} else { // else
|
||
|
sprintf(msg, "debug:\r\n command: '%s' parameter: '%s'\r\n\n", command, parameter);
|
||
|
send(cs,msg,strlen(msg),0);
|
||
|
sprintf(msg, "\r\n\n");
|
||
|
send(cs,msg,strlen(msg),0);
|
||
|
}
|
||
|
send(cs,"> ",2,0);
|
||
|
linelen=0;
|
||
|
} else { // other chars
|
||
|
if (linelen < MAXLEN - 1) {
|
||
|
line[linelen] = buf[i];
|
||
|
linelen++;
|
||
|
send(cs,buf+i,1,0);
|
||
|
} else {
|
||
|
send(cs,"\x07",1,0); // bell
|
||
|
}
|
||
|
for (i = 0; i < size; i++) {
|
||
|
if (buf[i] == 127 || buf[i]==8) { // backspace
|
||
|
if (linelen > 0) {
|
||
|
send(cs,"\x7f",1,0);
|
||
|
linelen--;
|
||
|
} else {
|
||
|
send(cs,"\x07",1,0); // bell
|
||
|
}
|
||
|
} else if (buf[i] == 10) {
|
||
|
// ignore LF chars
|
||
|
continue;
|
||
|
} else if (buf[i] == 13) { // cr
|
||
|
line[linelen]=' '; // ensure that there is
|
||
|
line[linelen+1]=0; // at least one seperator
|
||
|
linep=line;
|
||
|
|
||
|
memcpy(command,line, strchr(linep, ' ') - linep); // seperator
|
||
|
memcpy(parameter,strchr(line, ' ')+1, linep+linelen-strchr(line, ' ')); // seperator
|
||
|
command[strchr(line, ' ') - linep]=0;
|
||
|
|
||
|
if (linep+linelen-strchr(line, ' ')-1 < 0) {
|
||
|
parameter[0]=0;
|
||
|
} else {
|
||
|
parameter[linep+linelen-strchr(line, ' ')-1]=0;
|
||
|
}
|
||
|
|
||
|
menu = process_menu_command(command,parameter);
|
||
|
|
||
|
if (!menu) {
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
send(cs,"> ",2,0);
|
||
|
linelen=0;
|
||
|
} else {
|
||
|
// other chars
|
||
|
if (linelen < MAXLEN - 1) {
|
||
|
line[linelen] = buf[i];
|
||
|
linelen++;
|
||
|
// FIXME - dont echo if the other end is in
|
||
|
// linemode
|
||
|
send(cs,&buf[i],1,0); // echo the char
|
||
|
} else {
|
||
|
send(cs,"\x07",1,0); // bell
|
||
|
}
|
||
|
}
|
||
|
}
|
||
| ... | ... | |
|
cs=as;
|
||
|
zero=0;
|
||
|
ioctlsocket(cs,FIONBIO,&zero);
|
||
|
|
||
|
// run the menu to ask the user questions
|
||
|
run_menu();
|
||
|
|
||
|
// they must have opened the com port, so start the threads
|
||
|
PurgeComm(hCom,PURGE_RXCLEAR|PURGE_RXABORT);
|
||
|
netThread=CreateThread(NULL,0,wconsd_net_to_com,NULL,0,NULL);
|
||
|
comThread=CreateThread(NULL,0,wconsd_com_to_net,NULL,0,NULL);
|
||
| ... | ... | |
|
{ NULL, NULL }
|
||
|
};
|
||
|
|
||
|
dprintf(0,"wconsd: start\n");
|
||
|
|
||
|
if (argc==1 || argc==0) {
|
||
|
// We are running from the service control manager
|
||
|
debug_mode=0;
|
||
|
if (!StartServiceCtrlDispatcher(DispatchTable)) {
|
||
|
dprintf(1,"wconsd: StartServiceCtrlDispatcher error = %d\n", GetLastError());
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
// We are running in debug mode (or any other command-line mode)
|
||
|
debug_mode=1;
|
||
|
|
||
|
if (strcmp(argv[1],"-i")==0) {
|
||
|
// request service installation
|
||
|
if (argc!=3) {
|
||
|
usage();
|
||
|
return 1;
|
||
|
}
|
||
|
RegisterService(argv[2]);
|
||
|
} else if (strcmp(argv[1],"-r")==0) {
|
||
|
// request service removal
|
||
|
RemoveService();
|
||
|
} else if (strcmp(argv[1],"-d")==0) {
|
||
|
int r;
|
||
Also available in: Unified diff
Factor the menu handling code and slightly clean it up.
closes 18