swc

commit 3ac3712ef45aee47da8b49c9f5e56490a6a42ae9
parent 6cc5eba3b6f014bee710ae4767bd1201657b1d57
Author: Michael Forney <mforney@mforney.org>
Date:   Fri, 21 Jun 2013 01:16:49 -0700

Add launch-related utility functions

Diffstat:
M
Makefile.am
 | 
2
+-
M
util.c
 | 
52
++++++++++++++++++++++++++++++++++++++++++++++++++++
M
util.h
 | 
4
++++

3 files changed, 57 insertions(+), 1 deletion(-)
diff --git a/Makefile.am b/Makefile.am
@@ -27,7 +27,7 @@ libswc_la_SOURCES = \
 
 libswc_la_LIBADD = $(wayland_server_LIBS) $(udev_LIBS) $(xkbcommon_LIBS) \
 	$(drm_LIBS) $(drm_intel_LIBS) $(gbm_LIBS) $(egl_LIBS) $(pixman_LIBS) \
-	intel/libintel.la
+	intel/libintel.la launch/liblaunch-protocol.la
 
 SUBDIRS = launch intel
 
diff --git a/util.c b/util.c
@@ -1,10 +1,62 @@
 #include "util.h"
+#include "launch/protocol.h"
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
+#include <drm.h>
+#include <sys/socket.h>
 
 void swc_remove_resource(struct wl_resource * resource)
 {
     wl_list_remove(wl_resource_get_link(resource));
 }
 
+bool swc_launch_drm_master(int socket, int fd, bool set)
+{
+    ssize_t size;
+    struct swc_launch_request request;
+    struct swc_launch_response response;
+
+    request.type = SWC_LAUNCH_REQUEST_DRM_MASTER;
+    request.set = set;
+
+    size = send_fd(socket, fd, &request, sizeof request);
+
+    if (size == -1)
+        return false;
+
+    size = recv(socket, &response, sizeof response, 0);
+
+    if (size == -1)
+        return false;
+
+    return true;
+}
+
+int swc_launch_open_input_device(int socket, const char * path, int flags)
+{
+    size_t path_size = strlen(path);
+    char buffer[sizeof(struct swc_launch_request) + path_size + 1];
+    struct swc_launch_request * request = (void *) buffer;
+    struct swc_launch_response response;
+    ssize_t size;
+    int fd;
+
+    request->type = SWC_LAUNCH_REQUEST_OPEN_INPUT_DEVICE;
+    request->flags = flags;
+    strcpy(request->path, path);
+
+    size = send(socket, buffer, sizeof buffer, 0);
+
+    if (size == -1)
+        return -1;
+
+    size = receive_fd(socket, &fd, &response, sizeof response);
+
+    if (size == -1)
+        return -1;
+
+    return fd;
+}
+
diff --git a/util.h b/util.h
@@ -1,9 +1,13 @@
 #ifndef SWC_UTIL_H
 #define SWC_UTIL_H 1
 
+#include <stdbool.h>
 #include <wayland-server.h>
 
 void swc_remove_resource(struct wl_resource * resource);
 
+int swc_launch_open_input_device(int socket, const char * path, int flags);
+bool swc_launch_drm_master(int socket, int fd, bool set);
+
 #endif