system: vold2: Initial skeleton for vold2.

  Let there be light.

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

1 files changed, 159 insertions, 0 deletions

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 00000000..1ccd1470
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,159 @@
+/*
+ * 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 <errno.h>
+#include <string.h>
+
+#define LOG_TAG "Vold"
+
+#include "cutils/log.h"
+
+#include "VolumeManager.h"
+#include "CommandListener.h"
+#include "NetlinkManager.h"
+#include "DeviceVolume.h"
+
+static int process_config(VolumeManager *vm);
+
+int main() {
+
+    VolumeManager *vm;
+    CommandListener *cl;
+    NetlinkManager *nm;
+
+    LOGI("Vold 2.0 firing up");
+
+    /* Create our singleton managers */
+    if (!(vm = VolumeManager::Instance())) {
+        LOGE("Unable to create VolumeManager");
+        exit(1);
+    };
+
+    if (!(nm = NetlinkManager::Instance())) {
+        LOGE("Unable to create NetlinkManager");
+        exit(1);
+    };
+
+    cl = new CommandListener();
+    vm->setBroadcaster((SocketListener *) cl);
+    nm->setBroadcaster((SocketListener *) cl);
+
+    if (vm->start()) {
+        LOGE("Unable to start VolumeManager (%s)", strerror(errno));
+        exit(1);
+    }
+
+    if (process_config(vm)) {
+        LOGE("Error reading configuration (%s)", strerror(errno));
+        exit(1);
+    }
+
+    if (nm->start()) {
+        LOGE("Unable to start NetlinkManager (%s)", strerror(errno));
+        exit(1);
+    }
+
+    /*
+     * Now that we're up, we can respond to commands
+     */
+    if (cl->startListener()) {
+        LOGE("Unable to start CommandListener (%s)", strerror(errno));
+        exit(1);
+    }
+
+    // Eventually we'll become the monitoring thread
+    while(1) {
+        sleep(1000);
+    }
+
+    LOGI("Vold exiting");
+    exit(0);
+}
+
+static int process_config(VolumeManager *vm) {
+    FILE *fp;
+    int n = 0;
+    char line[255];
+
+    if (!(fp = fopen("/etc/vold.fstab", "r"))) {
+        return -1;
+    }
+
+    while(fgets(line, sizeof(line), fp)) {
+        char *next = line;
+        char *type, *label, *mount_point;
+
+        n++;
+        line[strlen(line)-1] = '\0';
+
+        if (line[0] == '#' || line[0] == '\0')
+            continue;
+
+        if (!(type = strsep(&next, " \t"))) {
+            LOGE("Error parsing type");
+            goto out_syntax;
+        }
+        if (!(label = strsep(&next, " \t"))) {
+            LOGE("Error parsing label");
+            goto out_syntax;
+        }
+        if (!(mount_point = strsep(&next, " \t"))) {
+            LOGE("Error parsing mount point");
+            goto out_syntax;
+        }
+
+        if (!strcmp(type, "dev_mount")) {
+            DeviceVolume *dv = NULL;
+            char *part, *sysfs_path;
+
+            if (!(part = strsep(&next, " \t"))) {
+                LOGE("Error parsing partition");
+                goto out_syntax;
+            }
+            if (strcmp(part, "auto") && atoi(part) == 0) {
+                LOGE("Partition must either be 'auto' or 1 based index instead of '%s'", part);
+                goto out_syntax;
+            }
+
+            dv = new DeviceVolume(label, mount_point, atoi(part));
+
+            while((sysfs_path = strsep(&next, " \t"))) {
+                if (dv->addPath(sysfs_path)) {
+                    LOGE("Failed to add devpath %s to volume %s", sysfs_path,
+                         label);
+                    goto out_fail;
+                }
+            }
+            vm->addVolume(dv);
+        } else if (!strcmp(type, "map_mount")) {
+        } else {
+            LOGE("Unknown type '%s'", type);
+            goto out_syntax;
+        }
+    }
+
+    fclose(fp);
+    return 0;
+
+out_syntax:
+    LOGE("Syntax error on config line %d", n);
+    errno = -EINVAL;
+out_fail:
+    fclose(fp);
+    return -1;   
+}