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authorReinhard Tartler <siretart@tauware.de>2011-10-10 18:02:52 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 18:02:52 +0200
commit5b4ca0f93c44d7bbc8d6a3eebdd5c458e3a84c14 (patch)
treeb6f59ec830436134aaccf47aa71a070aa2ad2992 /nx-X11/programs/Xserver/hw/nxagent/Binder.c
parente29a112097fa74b520ba619eb07e2e0e0a7f2f3e (diff)
parente01b9177b41f7d27a934d41fa38d550fa0026b45 (diff)
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Merge branch 'nxagent'
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/Binder.c')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Binder.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Binder.c b/nx-X11/programs/Xserver/hw/nxagent/Binder.c
new file mode 100644
index 000000000..d40aaebe6
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/Binder.c
@@ -0,0 +1,177 @@
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NXAGENT, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of Medialogic S.p.A. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#include "NX.h"
+
+#include "Binder.h"
+#include "Options.h"
+
+/*
+ * Set here the required log level.
+ */
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+
+int nxagentCheckBinder(int argc, char *argv[], int i)
+{
+ if (++i < argc)
+ {
+ char *display;
+ char *found;
+
+ int port;
+
+ display = argv[i];
+
+ /*
+ * Check if a display specification follows
+ * the -B switch.
+ */
+
+ found = rindex(display, ':');
+
+ if (found == NULL || *(found + 1) == '\0' ||
+ isdigit(*(found + 1)) == 0)
+ {
+ fprintf(stderr, "Error: Can't identify the display port in string '%s'.\n",
+ display);
+
+ return 0;
+ }
+
+ port = atoi(found + 1);
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentCheckBinder: Identified agent display port [%d].\n",
+ port);
+ #endif
+
+ /*
+ * The NX options must be specified in the DISPLAY
+ * environment. Check if the display specified on
+ * the command line matches the NX virtual display.
+ */
+
+ display = getenv("DISPLAY");
+
+ if (display == NULL || *display == '\0')
+ {
+ fprintf(stderr, "Error: No DISPLAY environment found.\n");
+
+ return 0;
+ }
+
+ found = rindex(display, ':');
+
+ if (found == NULL || *(found + 1) == '\0' ||
+ isdigit(*(found + 1)) == 0 || atoi(found + 1) != port)
+ {
+ fprintf(stderr, "Error: The NX display doesn't match the agent display :%d.\n",
+ port);
+
+ return 0;
+ }
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentCheckBinder: Identified NX display port [%d].\n",
+ atoi(found + 1));
+ #endif
+
+ /*
+ * Save the proxy options. They will be later
+ * used to create the transport.
+ */
+
+ nxagentChangeOption(Rootless, False);
+ nxagentChangeOption(Desktop, False);
+ nxagentChangeOption(Binder, True);
+
+ /*
+ * FIXME: This now points to the buffer that was
+ * returned by getenv(). It is to be decided how
+ * to handle the values of type string in the
+ * Options repository.
+ */
+
+ nxagentChangeOption(BinderOptions, display);
+
+ return 2;
+ }
+
+ fprintf(stderr, "Error: No display port specified in command.\n");
+
+ return 0;
+}
+
+int nxagentBinderLoop()
+{
+ struct timeval timeout;
+
+ char *options = nxagentOption(BinderOptions);
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentBinderLoop: Creating the NX transport.\n");
+ #endif
+
+ if (NXTransCreate(NX_FD_ANY, NX_MODE_CLIENT, options) < 0)
+ {
+ #ifdef TEST
+ fprintf(stderr, "nxagentBinderLoop: PANIC! Error creating the NX transport.\n");
+ #endif
+
+ return -1;
+ }
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentBinderLoop: Yielding control to the NX entry point.\n");
+ #endif
+
+ while (NXTransRunning(NX_FD_ANY))
+ {
+ #ifdef DEBUG
+ fprintf(stderr, "nxagentBinderLoop: Going to run a new NX proxy loop.\n");
+ #endif
+
+ timeout.tv_sec = 10;
+ timeout.tv_usec = 0;
+
+ NXTransContinue(&timeout);
+
+ #ifdef DEBUG
+ fprintf(stderr, "nxagentBinderLoop: Completed execution of the NX loop.\n");
+ #endif
+ }
+
+ #ifdef TEST
+ fprintf(stderr, "nxagentBinderLoop: Exiting the NX proxy binder loop.\n");
+ #endif
+
+ return 1;
+}
+
+void nxagentBinderExit(int code)
+{
+ NXTransExit(code);
+}