Examples with LocalSocket android.net.LocalSocket used on opensource projects

Example 1 with LocalSocket

use of android.net.LocalSocket in project android_frameworks_base by ParanoidAndroid.

the class UsbDebuggingManager method listenToSocket.

private void listenToSocket() throws IOException {
    try {
        byte[] buffer = new byte[BUFFER_SIZE];
        LocalSocketAddress address = new LocalSocketAddress(ADBD_SOCKET, LocalSocketAddress.Namespace.RESERVED);
        InputStream inputStream = null;
        mSocket = new LocalSocket();
        mSocket.connect(address);
        mOutputStream = mSocket.getOutputStream();
        inputStream = mSocket.getInputStream();
        while (true) {
            int count = inputStream.read(buffer);
            if (count < 0) {
                Slog.e(TAG, "got " + count + " reading");
                break;
            }
            if (buffer[0] == 'P' && buffer[1] == 'K') {
                String key = new String(Arrays.copyOfRange(buffer, 2, count));
                Slog.d(TAG, "Received public key: " + key);
                Message msg = mHandler.obtainMessage(UsbDebuggingHandler.MESSAGE_ADB_CONFIRM);
                msg.obj = key;
                mHandler.sendMessage(msg);
            } else {
                Slog.e(TAG, "Wrong message: " + (new String(Arrays.copyOfRange(buffer, 0, 2))));
                break;
            }
        }
    } catch (IOException ex) {
        Slog.e(TAG, "Communication error: ", ex);
        throw ex;
    } finally {
        closeSocket();
    }
}

Example 2 with LocalSocket

use of android.net.LocalSocket in project android_frameworks_base by ParanoidAndroid.

the class Process method openZygoteSocketIfNeeded.

/**
     * Tries to open socket to Zygote process if not already open. If
     * already open, does nothing.  May block and retry.
     */
private static void openZygoteSocketIfNeeded() throws ZygoteStartFailedEx {
    int retryCount;
    if (sPreviousZygoteOpenFailed) {
        /*
             * If we've failed before, expect that we'll fail again and
             * don't pause for retries.
             */
        retryCount = 0;
    } else {
        retryCount = 10;
    }
    /*
         * See bug #811181: Sometimes runtime can make it up before zygote.
         * Really, we'd like to do something better to avoid this condition,
         * but for now just wait a bit...
         */
    for (int retry = 0; (sZygoteSocket == null) && (retry < (retryCount + 1)); retry++) {
        if (retry > 0) {
            try {
                Log.i("Zygote", "Zygote not up yet, sleeping...");
                Thread.sleep(ZYGOTE_RETRY_MILLIS);
            } catch (InterruptedException ex) {
            // should never happen
            }
        }
        try {
            sZygoteSocket = new LocalSocket();
            sZygoteSocket.connect(new LocalSocketAddress(ZYGOTE_SOCKET, LocalSocketAddress.Namespace.RESERVED));
            sZygoteInputStream = new DataInputStream(sZygoteSocket.getInputStream());
            sZygoteWriter = new BufferedWriter(new OutputStreamWriter(sZygoteSocket.getOutputStream()), 256);
            Log.i("Zygote", "Process: zygote socket opened");
            sPreviousZygoteOpenFailed = false;
            break;
        } catch (IOException ex) {
            if (sZygoteSocket != null) {
                try {
                    sZygoteSocket.close();
                } catch (IOException ex2) {
                    Log.e(LOG_TAG, "I/O exception on close after exception", ex2);
                }
            }
            sZygoteSocket = null;
        }
    }
    if (sZygoteSocket == null) {
        sPreviousZygoteOpenFailed = true;
        throw new ZygoteStartFailedEx("connect failed");
    }
}

Example 3 with LocalSocket

use of android.net.LocalSocket in project XobotOS by xamarin.

the class Process method openZygoteSocketIfNeeded.

/**
     * Tries to open socket to Zygote process if not already open. If
     * already open, does nothing.  May block and retry.
     */
private static void openZygoteSocketIfNeeded() throws ZygoteStartFailedEx {
    int retryCount;
    if (sPreviousZygoteOpenFailed) {
        /*
             * If we've failed before, expect that we'll fail again and
             * don't pause for retries.
             */
        retryCount = 0;
    } else {
        retryCount = 10;
    }
    /*
         * See bug #811181: Sometimes runtime can make it up before zygote.
         * Really, we'd like to do something better to avoid this condition,
         * but for now just wait a bit...
         */
    for (int retry = 0; (sZygoteSocket == null) && (retry < (retryCount + 1)); retry++) {
        if (retry > 0) {
            try {
                Log.i("Zygote", "Zygote not up yet, sleeping...");
                Thread.sleep(ZYGOTE_RETRY_MILLIS);
            } catch (InterruptedException ex) {
            // should never happen
            }
        }
        try {
            sZygoteSocket = new LocalSocket();
            sZygoteSocket.connect(new LocalSocketAddress(ZYGOTE_SOCKET, LocalSocketAddress.Namespace.RESERVED));
            sZygoteInputStream = new DataInputStream(sZygoteSocket.getInputStream());
            sZygoteWriter = new BufferedWriter(new OutputStreamWriter(sZygoteSocket.getOutputStream()), 256);
            Log.i("Zygote", "Process: zygote socket opened");
            sPreviousZygoteOpenFailed = false;
            break;
        } catch (IOException ex) {
            if (sZygoteSocket != null) {
                try {
                    sZygoteSocket.close();
                } catch (IOException ex2) {
                    Log.e(LOG_TAG, "I/O exception on close after exception", ex2);
                }
            }
            sZygoteSocket = null;
        }
    }
    if (sZygoteSocket == null) {
        sPreviousZygoteOpenFailed = true;
        throw new ZygoteStartFailedEx("connect failed");
    }
}

Example 4 with LocalSocket

use of android.net.LocalSocket in project android_frameworks_base by ResurrectionRemix.

the class NativeDaemonConnector method listenToSocket.

private void listenToSocket() throws IOException {
    LocalSocket socket = null;
    try {
        socket = new LocalSocket();
        LocalSocketAddress address = determineSocketAddress();
        socket.connect(address);
        InputStream inputStream = socket.getInputStream();
        synchronized (mDaemonLock) {
            mOutputStream = socket.getOutputStream();
        }
        mCallbacks.onDaemonConnected();
        FileDescriptor[] fdList = null;
        byte[] buffer = new byte[BUFFER_SIZE];
        int start = 0;
        while (true) {
            int count = inputStream.read(buffer, start, BUFFER_SIZE - start);
            if (count < 0) {
                loge("got " + count + " reading with start = " + start);
                break;
            }
            fdList = socket.getAncillaryFileDescriptors();
            // Add our starting point to the count and reset the start.
            count += start;
            start = 0;
            for (int i = 0; i < count; i++) {
                if (buffer[i] == 0) {
                    // Note - do not log this raw message since it may contain
                    // sensitive data
                    final String rawEvent = new String(buffer, start, i - start, StandardCharsets.UTF_8);
                    boolean releaseWl = false;
                    try {
                        final NativeDaemonEvent event = NativeDaemonEvent.parseRawEvent(rawEvent, fdList);
                        log("RCV <- {" + event + "}");
                        if (event.isClassUnsolicited()) {
                            // TODO: migrate to sending NativeDaemonEvent instances
                            if (mCallbacks.onCheckHoldWakeLock(event.getCode()) && mWakeLock != null) {
                                mWakeLock.acquire();
                                releaseWl = true;
                            }
                            Message msg = mCallbackHandler.obtainMessage(event.getCode(), uptimeMillisInt(), 0, event.getRawEvent());
                            if (mCallbackHandler.sendMessage(msg)) {
                                releaseWl = false;
                            }
                        } else {
                            mResponseQueue.add(event.getCmdNumber(), event);
                        }
                    } catch (IllegalArgumentException e) {
                        log("Problem parsing message " + e);
                    } finally {
                        if (releaseWl) {
                            mWakeLock.release();
                        }
                    }
                    start = i + 1;
                }
            }
            if (start == 0) {
                log("RCV incomplete");
            }
            // buffer and read again.
            if (start != count) {
                final int remaining = BUFFER_SIZE - start;
                System.arraycopy(buffer, start, buffer, 0, remaining);
                start = remaining;
            } else {
                start = 0;
            }
        }
    } catch (IOException ex) {
        loge("Communications error: " + ex);
        throw ex;
    } finally {
        synchronized (mDaemonLock) {
            if (mOutputStream != null) {
                try {
                    loge("closing stream for " + mSocket);
                    mOutputStream.close();
                } catch (IOException e) {
                    loge("Failed closing output stream: " + e);
                }
                mOutputStream = null;
            }
        }
        try {
            if (socket != null) {
                socket.close();
            }
        } catch (IOException ex) {
            loge("Failed closing socket: " + ex);
        }
    }
}

Example 5 with LocalSocket

use of android.net.LocalSocket in project android_frameworks_base by ResurrectionRemix.

the class InstallerConnection method connect.

private boolean connect() {
    if (mSocket != null) {
        return true;
    }
    Slog.i(TAG, "connecting...");
    try {
        mSocket = new LocalSocket();
        LocalSocketAddress address = new LocalSocketAddress("installd", LocalSocketAddress.Namespace.RESERVED);
        mSocket.connect(address);
        mIn = mSocket.getInputStream();
        mOut = mSocket.getOutputStream();
    } catch (IOException ex) {
        disconnect();
        return false;
    }
    return true;
}