You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.2 KiB
70 lines
2.2 KiB
/* |
|
* Copyright (C) 2006 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. |
|
*/ |
|
|
|
#pragma once |
|
|
|
#include <errno.h> |
|
#include <stdbool.h> |
|
#include <stdio.h> |
|
#include <stdlib.h> |
|
#include <string.h> |
|
#include <sys/socket.h> |
|
|
|
#define ANDROID_SOCKET_ENV_PREFIX "ANDROID_SOCKET_" |
|
#define ANDROID_SOCKET_DIR "/dev/socket" |
|
|
|
/* |
|
* osi_android_get_control_socket - simple helper function to get the file |
|
* descriptor of our init-managed Unix domain socket. `name' is the name of the |
|
* socket, as given in init.rc. Returns -1 on error. |
|
* |
|
* This is inline and not in libcutils proper because we want to use this in |
|
* third-party daemons with minimal modification. |
|
*/ |
|
static inline int osi_android_get_control_socket(const char* name) { |
|
char key[64]; |
|
snprintf(key, sizeof(key), ANDROID_SOCKET_ENV_PREFIX "%s", name); |
|
|
|
const char* val = getenv(key); |
|
if (!val) { |
|
return -1; |
|
} |
|
|
|
errno = 0; |
|
int fd = strtol(val, NULL, 10); |
|
if (errno) { |
|
return -1; |
|
} |
|
|
|
return fd; |
|
} |
|
|
|
/* |
|
* See also android.os.LocalSocketAddress.Namespace |
|
*/ |
|
// Linux "abstract" (non-filesystem) namespace |
|
#define ANDROID_SOCKET_NAMESPACE_ABSTRACT 0 |
|
// Android "reserved" (/dev/socket) namespace |
|
#define ANDROID_SOCKET_NAMESPACE_RESERVED 1 |
|
// Normal filesystem namespace |
|
#define ANDROID_SOCKET_NAMESPACE_FILESYSTEM 2 |
|
|
|
extern int osi_socket_local_server(const char* name, int namespaceId, int type); |
|
extern int osi_socket_local_server_bind(int s, const char* name, |
|
int namespaceId); |
|
extern int osi_socket_local_client_connect(int fd, const char* name, |
|
int namespaceId, int type); |
|
extern int osi_socket_local_client(const char* name, int namespaceId, int type);
|
|
|