X-Git-Url: https://git.realraum.at/?a=blobdiff_plain;f=serial_console%2Fusocket.c;h=01d50907dc5491ecd90a239fd57e57faa87907f3;hb=37d6abaf740685bd337da1632e1652fc77916760;hp=d00a8b5f3cbe9ff172417c618f4fe916fe2dd361;hpb=51b8c0cb530de874de351d6a7d954c21a7644a3e;p=svn42.git

diff --git a/serial_console/usocket.c b/serial_console/usocket.c
index d00a8b5..01d5090 100644
--- a/serial_console/usocket.c
+++ b/serial_console/usocket.c
@@ -42,6 +42,7 @@ void  connect_terminal(int fd)
   fd_set fds_r;
   char buffer[1024];
   int num_byte=0;
+  char stdin_valid_fd=1;
   FD_ZERO(&fds_r);
 
   FD_SET(STDIN_FILENO,&fds_r);
@@ -58,18 +59,29 @@ void  connect_terminal(int fd)
       if (num_byte == 0 || (num_byte <0 && errno != EAGAIN))
         return;
     }    
-    if (FD_ISSET(STDIN_FILENO,&fds_r))
+    if (stdin_valid_fd && FD_ISSET(STDIN_FILENO,&fds_r))
     {
       while((num_byte = read(STDIN_FILENO,buffer, 1024)) > 0)
       {
         send(fd,buffer,num_byte,0);
       }
-      if (num_byte == 0 || (num_byte <0 && errno != EAGAIN))
+      if (num_byte <0 && errno != EAGAIN)
         return;
+      if (num_byte == 0)
+      {
+        if (quit_on_eof_)
+          return;
+        else
+        {
+          stdin_valid_fd=0;
+          FD_CLR(STDIN_FILENO,&fds_r);
+        }
+      }
     }
     
-    FD_SET(STDIN_FILENO,&fds_r);
     FD_SET(fd,&fds_r);
+    if (stdin_valid_fd)
+      FD_SET(STDIN_FILENO,&fds_r);
   }
 }
 
@@ -104,12 +116,19 @@ int main(int argc, char* argv[])
 {
   int ret = 0;
   int socket_fd = 0;
+  char *socket_file;
   //~ struct termios tmio_prev;
+  if (argc > 1)
+    socket_file = argv[1];
+  else
+    socket_file = default_socket_file_;
   
-  if (argc > 0)
-    socket_file_ = argv[1];
+  //give a second argument, to not quit on EOF on stdin.
+  //useful if you just want to pipe some commands to usocket with echo and then listen to stdout
+  if (argc > 2)
+    quit_on_eof_=0;
   
-  socket_fd = establish_socket_connection(socket_file_);
+  socket_fd = establish_socket_connection(socket_file);
   if(socket_fd)
   {
     //~ ret = set_tty_raw(STDIN_FILENO,&tmio_prev);
@@ -124,7 +143,7 @@ int main(int argc, char* argv[])
   }
   else
   {
-    fprintf(stderr, "%s error, aborting..\n", socket_file_);
+    fprintf(stderr, "%s error, aborting..\n", socket_file);
     ret=2;
   }