* server.el (server-eval-at): Handle non-tcp connections. Decode

result string.

2 files changed, 37 insertions, 28 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index abb3872d1ac..0e2a791f0e9 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2012-03-11  Andreas Schwab  <schwab@linux-m68k.org>
 
+        * server.el (server-eval-at): Handle non-tcp connections.  Decode
+        result string.
+
         * server.el (server-msg-size): New constant.
         (server-reply-print): New function.
         (server-eval-and-print): Use it.
diff --git a/lisp/server.el b/lisp/server.el
index 78b81e0b05b..ed83225eccd 100644
--- a/lisp/server.el
+++ b/lisp/server.el
@@ -1559,34 +1559,39 @@ only these files will be asked to be saved."
 Returns the result of the evaluation, or signals an error if it
 cannot contact the specified server.  For example:
   \(server-eval-at \"server\" '(emacs-pid))
-returns the process ID of the Emacs instance running \"server\".
-This function requires the use of TCP sockets. "
-  (or server-use-tcp
-      (error "This function requires TCP sockets"))
-  (let ((auth-file (expand-file-name server server-auth-dir))
-        (coding-system-for-read 'binary)
-        (coding-system-for-write 'binary)
-        address port secret process)
-    (unless (file-exists-p auth-file)
-      (error "No such server definition: %s" auth-file))
+returns the process ID of the Emacs instance running \"server\"."
+  (let* ((server-dir (if server-use-tcp server-auth-dir server-socket-dir))
+         (server-file (expand-file-name server server-dir))
+         (coding-system-for-read 'binary)
+         (coding-system-for-write 'binary)
+         address port secret process)
+    (unless (file-exists-p server-file)
+      (error "No such server: %s" server))
     (with-temp-buffer
-      (insert-file-contents auth-file)
-      (unless (looking-at "\\([0-9.]+\\):\\([0-9]+\\)")
-        (error "Invalid auth file"))
-      (setq address (match-string 1)
-            port (string-to-number (match-string 2)))
-      (forward-line 1)
-      (setq secret (buffer-substring (point) (line-end-position)))
-      (erase-buffer)
-      (unless (setq process (open-network-stream "eval-at" (current-buffer)
-                                                 address port))
-        (error "Unable to contact the server"))
-      (set-process-query-on-exit-flag process nil)
-      (process-send-string
-       process
-       (concat "-auth " secret " -eval "
-               (server-quote-arg (format "%S" form))
-               "\n"))
+      (when server-use-tcp
+        (let ((coding-system-for-read 'no-conversion))
+          (insert-file-contents server-file)
+          (unless (looking-at "\\([0-9.]+\\):\\([0-9]+\\)")
+            (error "Invalid auth file"))
+          (setq address (match-string 1)
+                port (string-to-number (match-string 2)))
+          (forward-line 1)
+          (setq secret (buffer-substring (point) (line-end-position)))
+          (erase-buffer)))
+      (unless (setq process (make-network-process
+                             :name "eval-at"
+                             :buffer (current-buffer)
+                             :host address
+                             :service (if server-use-tcp port server-file)
+                             :family (if server-use-tcp 'ipv4 'local)
+                             :noquery t))
+               (error "Unable to contact the server"))
+      (if server-use-tcp
+          (process-send-string process (concat "-auth " secret "\n")))
+      (process-send-string process
+                           (concat "-eval "
+                                   (server-quote-arg (format "%S" form))
+                                   "\n"))
       (while (memq (process-status process) '(open run))
         (accept-process-output process 0 10))
       (goto-char (point-min))
@@ -1600,7 +1605,8 @@ This function requires the use of TCP sockets. "
                                           (progn (skip-chars-forward "^\n")
                                                  (point))))))
         (if (not (equal answer ""))
-            (read (server-unquote-arg answer)))))))
+            (read (decode-coding-string (server-unquote-arg answer)
+                                        'emacs-internal)))))))
 
 
 (provide 'server)