/*
* $Log$
+ * Revision 1.6 2008/02/20 17:18:33 james
+ * *** empty log message ***
+ *
* Revision 1.5 2008/02/20 15:50:14 james
* *** empty log message ***
*
*
*/
+#include <stdarg.h>
#include <sympathy.h>
#include "mainloop.h"
+char *fatal_moan(char *fmt,...)
+{
+va_list ap;
+
+
+va_start(ap, fmt);
+n = vfprintf (stderr,fmt,ap);
+va_end(ap);
+
+putc('\n',stderr);
+exit(1);
+}
+
+
+
+/*make the path in fmt from home (hence the name) */
+
+char *mome(char *fmt,...)
+{
+
+ int n;
+ int homelen;
+ char *buf,*home;
+ va_list ap;
+
+
+ home=getenv("HOME");
+ if (!home) return NULL;
+
+ homelen=strlen(home)+1;
+
+ size=1024+homelen;
+
+ buf = malloc (size);
+
+ if (!buf)
+ fatal_moan("malloc failed");
+
+ strcpy(buf,home);
+ strcat(buf,"/");
+
+ while (1) {
+
+
+ va_start(ap, fmt);
+ n = vsnprintf (buf+homelen, size-homelen, fmt, ap);
+ va_end(ap);
+
+ if (n > -1 && n < len)
+ return buf;
+
+ if (n > -1) /* glibc 2.1 */
+ size = homelen+n+1;
+ else /* glibc 2.0 */
+ size *= 2; /* twice the old size */
+
+ buf=realloc(buf,size);
+
+ if (!buf)
+ fatal_moan("malloc failed");
+ }
+ }
+}
+
+
+
int
main (int argc, char *argv[])
{
extern char *optarg;
extern int optind, opterr, optopt;
- int tflag = 0, cflag = 0, sflag = 0, rflag = 0;
- int lflag = 0, dflag = 0, bflag = 0, pflag = 0;
- int kflag = 0;
+ int oflags[128];
+ char *oargs[128];
- int nhistory = 200;
- int baud = -1;
- char *rid, *device_path;
- char *socket_path;
+ Socket *server_socket = NULL, *client_socket = NULL;
+ ANSI *ansi = NULL;
+ TTY *tty = NULL;
- Log *log=NULL;
+ memset (oflags[128], 0, sizeof (oflags));
+ memset (oargs[128], 0, sizeof (oargs));
while ((c = getopt (argc, argv, "tscr:d:pb:fL:Fk:n:")) != EOF)
{
switch (c)
{
- case 't':
- tflag++;
- break;
- case 's':
- sflag++;
- break;
- case 'c':
- cflag++;
- break;
- case 'r':
- rflag++;
- rid=optarg;
- break;
- case 'L':
- if (log) moan("only one -L argument is allowed");
- log=file_log_new(optarg);
- if (!log) moan("couldn't open %s as a log file",optarg);
- default:
+ case ':':
+ case 'h':
+ case '?':
usage ();
+ default:
+ if ((c > 64) && (c < 91))
+ {
+ oflags[c]++;
+ oargs[c] = optarg;
+ }
+ else if ((c > 96) && (c < 123))
+ {
+ oflags[c]++;
+ oargs[c] = optarg;
+ }
+ else
+ {
+ moan ("unknown option %c", c);
+ usage ();
+ }
}
+
+ }
+
+ if (!oflags['s'] && !oflags['c'] && !oflags['t'] && !oflags['r'])
+ {
+ /*If no mode is specified behave like screen */
+ oflags['s']++;
+ oflags['c']++;
}
+ if ((oflags['t'] && ((oflags['s'] || oflags['c']) || oflags['r'])) ||
+ (oflags['r'] && ((oflags['s'] || oflags['c']) || oflags['t'])) ||
+ ((oflags['s'] || oflags['c']) && (oflags['r'] || oflags['t'])))
+ fatal_moan ("specifiy exactly one of ( -c and or -s ), -t and -r");
+
+ if (oflags['r'] && oflags['k'])
+ fatal_moan ("-k is incompatible with -r");
+ /*Fold -r into -c */
+ if (oflags['r'])
+ {
+ int id = safe_atoi (oargs['r']);
+ if (id < 0)
+ fatal_moan ("cannot parse -r %s as an integer", oargs['r']);
+
+ oflags['k']++;
+ oargs['k'] = mome ("/.sympathy/%d", id);
+ oflags['r'] = 0;
+ oflags['c']++;
+ }
+
+ if (oflags['c'] && !oflags['k'])
+ fatal_moan ("-c requires a socket to be specified with -s or -k");
+
+ if (oflags['p'] && oflags['d'])
+ fatal_moan ("-p incompatible with -d");
+
+ /*implement server and client by opening the server socket to prevent */
+ /*a race condition, and then forking and munging the cmd line options */
+ /*in the parent and child so that the child is the server and the */
+ /*parent becomes its client */
+
+ if (oflags['c'] && oflags['s'] && oflags['F'])
+ fatal_moan ("-F is incompatible with -c -s");
+
+ if (oflags['s'] && !oflags['k'])
+ {
+ char *path;
+ path = mome ("/.sympathy");
+ mkdir (path, 0700);
+ free (path);
+
+ oargs['k'] = mome ("/.sympathy/%d", getpid ());
+ oflags['k']++;
+ }
+
+ if (oflags['s'])
+ {
+ server_socket = socket_listen (oargs['k']);
+ if (!server_socket)
+ fatal_moan ("failed to create socket %s for listening", oargs['k']);
+ }
+
+ switch (fork ())
+ {
+ case 0: /*child becomes the server */
+ oflags['c'] = 0;
+ oflags['H'] = 0;
+ break;
+ case -1:
+ fatal_moan ("fork failed");
+ default:
+ oflags['s'] = 0;
+ oflags['K'] = 0;
+ oflags['d'] = 0;
+ oflags['p'] = 0;
+ oflags['b'] = 0;
+ oflags['f'] = 0;
+ oflags['L'] = 0;
+ oflags['n'] = 0;
+ }
+
+
+ if ((oflags['p'] || oflags['d'] || oflags['K'] || oflags['b'] || oflags['f']
+ || oflags['L']) && oflags['c'])
+ fatal_moan ("-c or -r are incompatible with -p, -d, -K, -b, -f or -L");
+
+ if (oflags['t'] || oflags['s'])
+ {
+ if (!oflags['p'] && !oflags['d'])
+ oflags['p']++;
+ }
+
+
+ if (oflags['s'] || oflags['t'])
+ {
+
+ if (oflags['L'])
+ {
+ log = file_log_new (oargs['L']);
+ if (!log)
+ fatal_moan ("unable to access log file %s", oargs['L']);
+ }
+
+ if (oflags['p'])
+ {
+ tty = ptty_open (NULL, NULL);
+ }
+ else
+ {
+ tty =
+ serial_open (oargs['d'],
+ oflags['K'] ? SERIAL_LOCK_ACTIVE :
+ SERIAL_LOCK_PASSIVE);
+ if (tty)
+ fatal_moan ("unable to open serial port %s", oargs['d']);
+ }
+
+ if (oflags['b'])
+ {
+ int baud = safe_atoi (oargs['b']);
+
+ if (baud < 0)
+ fatal_maon ("Unable to parse baudrate %s", oargs['b']);
+
+ tty_set_baud (tty, baud);
+
+ }
+
+ tty_set_flow (tty, oflags['f'] ? 1 : 0);
+
+ }
+
+ if (oflags['c'])
+ {
+
+ client_socket = socket_connect (oargs['k']);
+ if (!client_socket)
+ fatal_moan ("failed to connect to socket %s", oargs['k']);
+
+
+ }
+
+ if (oflags['c'] || oflags['t'])
+ {
+
+ if (oflags['H'])
+ {
+ fatal_moan ("fix a bug in HTML dispatcher before this works");
+ }
+ else
+ {
+ ansi = (ANSI *) malloc (sizeof (ANSI));
+ memset (ansi, 0, sizeof (ANSI));
+
+ terminal_register_handlers ();
+ ansi->terminal = terminal_open (0, 1);
+ ansi_reset (ansi, NULL);
+ }
+ }
+
+ if (oflags['s'] && !oflags['F']) {
+ /*FIXME become a daemon*/
+ }
+
+ mainloop (tty, server_socket, client_socket, ansi, log);
+
+ if (ansi)
+ {
+ ansi_terminal_reset (ansi);
+ terminal_atexit ();
+ }
-#if 0
- "sympathy -t [-l] [-d serialdev|-p] [-b baud] [-f] [-L log]\n"
- "sympathy -s [-l] [-d serialdev|-p] [-b baud] [-f] [-L log] [-F] [-k skt]\n"
- " [-n hlines]\n"
- "sympathy [-s -c] [-l] [-d serialdev|-p] [-b baud] [-f] [-L log] [-k skt]\n"
- " [-n hlines]\n"
- "sympathy -c [-H] -k skt\n" "sympathy -r id [-H]\n" "\n" client ();
-#endif
+ return 0;
}
/*
* $Log$
+ * Revision 1.4 2008/02/20 17:18:33 james
+ * *** empty log message ***
+ *
* Revision 1.3 2008/02/20 02:11:35 james
* *** empty log message ***
*
{
fprintf (stderr, "Usage:\n"
- "sympathy -t [-l] [-d serialdev|-p] [-b baud] [-f] [-L log]\n"
- "sympathy -s [-l] [-d serialdev|-p] [-b baud] [-f] [-L log] [-F] [-k skt]\n"
+ "sympathy -t [-K] [-d serialdev|-p] [-b baud] [-f] [-L log]\n"
+ "sympathy -s [-K] [-d serialdev|-p] [-b baud] [-f] [-L log] [-F] [-k skt]\n"
" [-n hlines]\n"
- "sympathy [-s -c] [-l] [-d serialdev|-p] [-b baud] [-f] [-L log] [-k skt]\n"
+ "sympathy [-s -c] [-K] [-d serialdev|-p] [-b baud] [-f] [-L log] [-k skt]\n"
" [-n hlines]\n"
"sympathy -c [-H] -k skt\n"
"sympathy -r id [-H]\n"
+ "sympathy {-l|-ls}\n"
"sympathy -h\n"
"\n"
"Main mode:\n"
" -c client mode: connect to server mode process\n"
" -r id client mode: connect to server mode process on socket\n"
" ~/.sympathy/id\n"
+ " -l or -ls list active sockets in ~/.sympathy\n"
"\n"
"Options:\n"
- " -l lock the serial device. By default sympathy checks that no\n"
+ " -K lock the serial device. By default sympathy checks that no\n"
" other process has create a lock file, and temporarily ceases\n"
" to access the serial port if it spots one. With this option\n"
" sympathy creates a lock file and prevents other programs\n"
~ianmdlvl / sympathy.git / commitdiff