*** empty log message ***

[sympathy.git] / src / serial.c

diff --git a/src/serial.c b/src/serial.c
index 5fff1bd5a9409a9f177e4d1e0eb66ba61b12cc68..e269c83b8e44073c641127d5b007f5fc2ce96fe1 100644 (file)
--- a/src/serial.c
+++ b/src/serial.c
@@ -1,5 +1,5 @@
 /*
- * ptty.c:
+ * serial.c:
  *
  * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
  * All rights reserved.
@@ -10,6 +10,39 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.12  2008/02/28 16:57:52  james
+ * *** empty log message ***
+ *
+ * Revision 1.11  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
+ * Revision 1.10  2008/02/24 00:47:14  james
+ * *** empty log message ***
+ *
+ * Revision 1.9  2008/02/24 00:42:53  james
+ * *** empty log message ***
+ *
+ * Revision 1.8  2008/02/23 13:05:58  staffcvs
+ * *** empty log message ***
+ *
+ * Revision 1.7  2008/02/15 23:52:12  james
+ * *** empty log message ***
+ *
+ * Revision 1.6  2008/02/15 19:51:30  james
+ * *** empty log message ***
+ *
+ * Revision 1.5  2008/02/15 19:09:00  james
+ * *** empty log message ***
+ *
+ * Revision 1.4  2008/02/15 16:48:56  james
+ * *** empty log message ***
+ *
+ * Revision 1.3  2008/02/15 03:32:07  james
+ * *** empty log message ***
+ *
+ * Revision 1.2  2008/02/14 16:21:17  james
+ * *** empty log message ***
+ *
  * Revision 1.1  2008/02/14 12:51:14  james
  * *** empty log message ***
  *
@@ -43,36 +76,44 @@ static char rcsid[] = "$Id$";
  */
 
 #include "project.h"
+#include <pwd.h>
+#include <dirent.h>
+#include <sys/stat.h>
 
 
 typedef struct
 {
   TTY_SIGNATURE;
+  Serial_lock *lock;
   int fd;
-  pid_t child;
-} PTTY;
+} Serial;
 
 
 static void
-ptty_close (TTY * _t)
+serial_close (TTY * _t)
 {
-  PTTY *t = (PTTY *) _t;
+  Serial *t = (Serial *) _t;
 
   if (!t)
     return;
 
+  tcflush (t->fd, TCIOFLUSH);
   close (t->fd);
   free (t);
 }
 
 
-
 static int
-ptty_read (TTY * _t, void *buf, int len)
+serial_read (TTY * _t, void *buf, int len)
 {
-  PTTY *t = (PTTY *) _t;
+  Serial *t = (Serial *) _t;
   int red, done = 0;
 
+  t->blocked = serial_lock_check (t->lock);
+
+  if (t->blocked)
+    return 0;
+
   do
     {
 
@@ -94,10 +135,14 @@ ptty_read (TTY * _t, void *buf, int len)
 
 
 static int
-ptty_write (TTY * _t, void *buf, int len)
+serial_write (TTY * _t, void *buf, int len)
 {
   int writ, done = 0;
-  PTTY *t = (PTTY *) _t;
+  Serial *t = (Serial *) _t;
+
+  t->blocked = serial_lock_check (t->lock);
+  if (t->blocked)
+    return 0;
 
   do
     {
@@ -119,58 +164,56 @@ ptty_write (TTY * _t, void *buf, int len)
 }
 
 TTY *
-ptty_open (char *path, char *argv[])
+serial_open (char *path, int lock_mode)
 {
-  PTTY *t;
+  Serial *t;
   pid_t child;
   char name[1024];
   struct winsize winsize = { 0 };
   struct termios termios;
   int fd;
-  char *default_argv[] = { "-", (char *) 0 };
+  Serial_lock *l;
 
+  l = serial_lock_new (path, lock_mode);
+  if (!l)
+    return NULL;
 
-  default_termios (&termios);
 
-  winsize.ws_row = VT102_ROWS;
-  winsize.ws_col = VT102_COLS;
+  fd = open (path, O_RDWR | O_NOCTTY | O_NONBLOCK);
+
+  set_nonblocking (fd);
 
-  child = forkpty (&fd, name, &termios, &winsize);
 
-  switch (child)
+  if (tcgetattr (fd, &termios))
     {
-    case -1:                   /*boo hiss */
+      close (fd);
       return NULL;
-    case 0:                    /*waaah */
-      setenv ("TERM", "vt102", 1);
-      setenv ("LANG", "C", 1);
-      if (!path)
-        path = "/bin/sh";
-
-      if (!argv)
-        argv = default_argv;
+    }
+  default_termios (&termios);
 
-      execv (path, argv);
-      _exit (-1);
+  if (tcsetattr (fd, TCSANOW, &termios))
+    {
+      close (fd);
+      return NULL;
     }
 
-  set_nonblocking (fd);
+  t = (Serial *) malloc (sizeof (Serial));
 
-  t = (PTTY *) malloc (sizeof (PTTY));
+  t->lock = l;
 
-  strncpy (t->name, name, sizeof (t->name));
+  strncpy (t->name, path, sizeof (t->name));
   t->name[sizeof (t->name) - 1] = 0;
 
-  t->recv = ptty_read;
-  t->xmit = ptty_write;
-  t->close = ptty_close;
+  t->recv = serial_read;
+  t->xmit = serial_write;
+  t->close = serial_close;
   t->fd = fd;
-  t->child = child;
   t->rfd = t->fd;
   t->wfd = t->fd;
-  t->size.x = winsize.ws_row;
-  t->size.y = winsize.ws_col;
-  t->blocked = 0;
+  t->size.x = VT102_COLS_80;
+  t->size.y = VT102_ROWS_24;
+  t->blocked = serial_lock_check (t->lock);
+  t->hanging_up = 0;
 
   return (TTY *) t;
 }