Initial evemu commit

Evemu is a kernel device and emulator, which allows for remote
creation and testing of arbitrary devices.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 75 insertions, 0 deletions

diff --git a/tools/evemu-echo.c b/tools/evemu-echo.c
new file mode 100644
index 0000000..d3501ea
--- /dev/null
+++ b/tools/evemu-echo.c
@@ -0,0 +1,75 @@
+/*****************************************************************************
+ *
+ * evemu - Kernel device emulation
+ *
+ * Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se>
+ * Copyright (C) 2010 Canonical Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ ****************************************************************************/
+
+#include "evemu.h"
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+
+static int evemu_echo_describe(FILE *fp)
+{
+        struct evemu_device dev;
+        int ret;
+
+        ret = evemu_read(&dev, fp);
+        if (ret <= 0)
+                return ret;
+
+        evemu_write(&dev, stdout);
+
+        return 0;
+}
+
+static int evemu_echo_event(FILE *fp)
+{
+        struct input_event ev;
+        int ret;
+
+        while ((ret = evemu_read_event(fp, &ev)) > 0)
+                evemu_write_event(stdout, &ev);
+
+        return ret;
+}
+
+int main(int argc, char *argv[])
+{
+        FILE *fp;
+        if (argc < 2) {
+                fprintf(stderr, "Usage: %s <dev.prop>\n", argv[0]);
+                return -1;
+        }
+        fp = fopen(argv[1], "r");
+        if (!fp) {
+                fprintf(stderr, "error: could not open file\n");
+                return -1;
+        }
+        evemu_echo_describe(fp);
+        evemu_echo_event(fp);
+        fclose(fp);
+        return 0;
+}