vold2: Rename DeviceVolume -> DirectVolume

Signed-off-by: San Mehat <san@android.com>

1 files changed, 121 insertions, 0 deletions

diff --git a/DirectVolume.cpp b/DirectVolume.cpp
new file mode 100644
index 0000000..0817624
--- /dev/null
+++ b/DirectVolume.cpp
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#define LOG_TAG "Vold"
+
+#include <cutils/log.h>
+#include <sysutils/NetlinkEvent.h>
+
+#include "DirectVolume.h"
+
+DirectVolume::DirectVolume(const char *label, const char *mount_point, int partIdx) :
+              Volume(label, mount_point) {
+    mPartIdx = partIdx;
+  
+    mPaths = new PathCollection();
+}
+
+DirectVolume::~DirectVolume() {
+    PathCollection::iterator it;
+
+    for (it = mPaths->begin(); it != mPaths->end(); ++it)
+        free(*it);
+    delete mPaths;
+}
+
+int DirectVolume::addPath(const char *path) {
+    mPaths->push_back(strdup(path));
+    return 0;
+}
+
+int DirectVolume::handleBlockEvent(NetlinkEvent *evt) {
+    const char *dp = evt->findParam("DEVPATH");
+
+    PathCollection::iterator  it;
+    for (it = mPaths->begin(); it != mPaths->end(); ++it) {
+        if (!strncmp(dp, *it, strlen(*it))) {
+            /* We can handle this disk */
+            int action = evt->getAction();
+            const char *devtype = evt->findParam("DEVTYPE");
+
+            if (!strcmp(devtype, "disk")) {
+                if (action == NetlinkEvent::NlActionAdd)
+                    handleDiskAdded(dp, evt);
+                else if (action == NetlinkEvent::NlActionRemove)
+                    handleDiskRemoved(dp, evt);
+                else
+                    LOGD("Ignoring non add/remove event");
+            } else {
+                if (action == NetlinkEvent::NlActionAdd)
+                    handlePartitionAdded(dp, evt);
+                else if (action == NetlinkEvent::NlActionRemove)
+                    handlePartitionRemoved(dp, evt);
+                else
+                    LOGD("Ignoring non add/remove event");
+            }
+
+            return 0;
+        }
+    }
+    errno = ENODEV;
+    return -1;
+}
+
+void DirectVolume::handleDiskAdded(const char *devpath, NetlinkEvent *evt) {
+    mDiskMaj = atoi(evt->findParam("MAJOR"));
+    mDiskNumParts = atoi(evt->findParam("NPARTS"));
+
+    int partmask = 0;
+    int i;
+    for (i = 1; i <= mDiskNumParts; i++) {
+        partmask |= (1 << i);
+    }
+    mPendingPartMap = partmask;
+
+    if (mDiskNumParts == 0) {
+        LOGD("Dv::diskIns - No partitions - good to go son!");
+        setState(Volume::State_Idle);
+    } else {
+        LOGD("Dv::diskIns - waiting for %d partitions (mask 0x%x)",
+             mDiskNumParts, mPendingPartMap);
+        setState(Volume::State_Pending);
+    }
+}
+
+void DirectVolume::handlePartitionAdded(const char *devpath, NetlinkEvent *evt) {
+    int major = atoi(evt->findParam("MAJOR"));
+    int minor = atoi(evt->findParam("MINOR"));
+    int part_num = atoi(evt->findParam("PARTN"));
+
+    mPendingPartMap &= ~(1 << part_num);
+    if (!mPendingPartMap) {
+        LOGD("Dv:partAdd: Got all partitions - ready to rock!");
+        setState(Volume::State_Idle);
+    } else {
+        LOGD("Dv:partAdd: pending mask now = 0x%x", mPendingPartMap);
+    }
+}
+
+void DirectVolume::handleDiskRemoved(const char *devpath, NetlinkEvent *evt) {
+}
+
+void DirectVolume::handlePartitionRemoved(const char *devpath, NetlinkEvent *evt) {
+}