tequilaOS/platform_bootable_recovery
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
platform_bootable_recovery/minadbd/adb.h
Doug Zongker 18a78e0a16 refactor fuse sideloading code 
Split the adb-specific portions (fetching a block from the adb host
and closing the connections) out from the rest of the FUSE filesystem
code, so that we can reuse the fuse stuff for installing off sdcards
as well.

Change-Id: I0ba385fd35999c5f5cad27842bc82024a264dd14
2014-07-10 10:55:07 -07:00

424 lines
12 KiB
C
Raw Blame History

/*
* Copyright (C) 2007 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.
*/
#ifndef __ADB_H
#define __ADB_H
#include <limits.h>
#include "transport.h" /* readx(), writex() */
#include "fdevent.h"
#define MAX_PAYLOAD 4096
#define A_SYNC 0x434e5953
#define A_CNXN 0x4e584e43
#define A_OPEN 0x4e45504f
#define A_OKAY 0x59414b4f
#define A_CLSE 0x45534c43
#define A_WRTE 0x45545257
#define A_VERSION 0x01000000 // ADB protocol version
#define ADB_VERSION_MAJOR 1 // Used for help/version information
#define ADB_VERSION_MINOR 0 // Used for help/version information
#define ADB_SERVER_VERSION 29 // Increment this when we want to force users to start a new adb server
typedef struct amessage amessage;
typedef struct apacket apacket;
typedef struct asocket asocket;
typedef struct aservice aservice;
typedef struct atransport atransport;
typedef struct adisconnect adisconnect;
typedef struct usb_handle usb_handle;
struct amessage {
unsigned command; /* command identifier constant */
unsigned arg0; /* first argument */
unsigned arg1; /* second argument */
unsigned data_length; /* length of payload (0 is allowed) */
unsigned data_check; /* checksum of data payload */
unsigned magic; /* command ^ 0xffffffff */
};
struct apacket
{
apacket *next;
unsigned len;
unsigned char *ptr;
amessage msg;
unsigned char data[MAX_PAYLOAD];
};
/* An asocket represents one half of a connection between a local and
** remote entity. A local asocket is bound to a file descriptor. A
** remote asocket is bound to the protocol engine.
*/
struct asocket {
/* chain pointers for the local/remote list of
** asockets that this asocket lives in
*/
asocket *next;
asocket *prev;
/* the unique identifier for this asocket
*/
unsigned id;
/* flag: set when the socket's peer has closed
** but packets are still queued for delivery
*/
int closing;
/* the asocket we are connected to
*/
asocket *peer;
/* For local asockets, the fde is used to bind
** us to our fd event system. For remote asockets
** these fields are not used.
*/
fdevent fde;
int fd;
/* queue of apackets waiting to be written
*/
apacket *pkt_first;
apacket *pkt_last;
/* enqueue is called by our peer when it has data
** for us. It should return 0 if we can accept more
** data or 1 if not. If we return 1, we must call
** peer->ready() when we once again are ready to
** receive data.
*/
int (*enqueue)(asocket *s, apacket *pkt);
/* ready is called by the peer when it is ready for
** us to send data via enqueue again
*/
void (*ready)(asocket *s);
/* close is called by the peer when it has gone away.
** we are not allowed to make any further calls on the
** peer once our close method is called.
*/
void (*close)(asocket *s);
/* socket-type-specific extradata */
void *extra;
/* A socket is bound to atransport */
atransport *transport;
};
/* the adisconnect structure is used to record a callback that
** will be called whenever a transport is disconnected (e.g. by the user)
** this should be used to cleanup objects that depend on the
** transport (e.g. remote sockets, etc...)
*/
struct adisconnect
{
void (*func)(void* opaque, atransport* t);
void* opaque;
adisconnect* next;
adisconnect* prev;
};
/* a transport object models the connection to a remote device or emulator
** there is one transport per connected device/emulator. a "local transport"
** connects through TCP (for the emulator), while a "usb transport" through
** USB (for real devices)
**
** note that kTransportHost doesn't really correspond to a real transport
** object, it's a special value used to indicate that a client wants to
** connect to a service implemented within the ADB server itself.
*/
typedef enum transport_type {
kTransportUsb,
kTransportLocal,
kTransportAny,
kTransportHost,
} transport_type;
struct atransport
{
atransport *next;
atransport *prev;
int (*read_from_remote)(apacket *p, atransport *t);
int (*write_to_remote)(apacket *p, atransport *t);
void (*close)(atransport *t);
void (*kick)(atransport *t);
int fd;
int transport_socket;
fdevent transport_fde;
int ref_count;
unsigned sync_token;
int connection_state;
transport_type type;
/* usb handle or socket fd as needed */
usb_handle *usb;
int sfd;
/* used to identify transports for clients */
char *serial;
char *product;
int adb_port; // Use for emulators (local transport)
/* a list of adisconnect callbacks called when the transport is kicked */
int kicked;
adisconnect disconnects;
};
void print_packet(const char *label, apacket *p);
asocket *find_local_socket(unsigned id);
void install_local_socket(asocket *s);
void remove_socket(asocket *s);
void close_all_sockets(atransport *t);
#define LOCAL_CLIENT_PREFIX "emulator-"
asocket *create_local_socket(int fd);
asocket *create_local_service_socket(const char *destination);
asocket *create_remote_socket(unsigned id, atransport *t);
void connect_to_remote(asocket *s, const char *destination);
void connect_to_smartsocket(asocket *s);
void fatal(const char *fmt, ...);
void fatal_errno(const char *fmt, ...);
void handle_packet(apacket *p, atransport *t);
void send_packet(apacket *p, atransport *t);
void get_my_path(char *s, size_t maxLen);
int launch_server(int server_port);
int adb_main();
/* transports are ref-counted
** get_device_transport does an acquire on your behalf before returning
*/
void init_transport_registration(void);
int list_transports(char *buf, size_t bufsize);
void update_transports(void);
asocket* create_device_tracker(void);
/* Obtain a transport from the available transports.
** If state is != CS_ANY, only transports in that state are considered.
** If serial is non-NULL then only the device with that serial will be chosen.
** If no suitable transport is found, error is set.
*/
atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char **error_out);
void add_transport_disconnect( atransport* t, adisconnect* dis );
void remove_transport_disconnect( atransport* t, adisconnect* dis );
void run_transport_disconnects( atransport* t );
void kick_transport( atransport* t );
/* initialize a transport object's func pointers and state */
#if ADB_HOST
int get_available_local_transport_index();
#endif
void init_usb_transport(atransport *t, usb_handle *usb, int state);
/* for MacOS X cleanup */
void close_usb_devices();
/* these should only be used for the "adb disconnect" command */
void unregister_transport(atransport *t);
void unregister_all_tcp_transports();
void register_usb_transport(usb_handle *h, const char *serial, unsigned writeable);
/* this should only be used for transports with connection_state == CS_NOPERM */
void unregister_usb_transport(usb_handle *usb);
atransport *find_transport(const char *serial);
#if ADB_HOST
atransport* find_emulator_transport_by_adb_port(int adb_port);
#endif
int service_to_fd(const char *name);
#if ADB_HOST
asocket *host_service_to_socket(const char* name, const char *serial);
#endif
#if !ADB_HOST
typedef enum {
BACKUP,
RESTORE
} BackupOperation;
int backup_service(BackupOperation operation, char* args);
void framebuffer_service(int fd, void *cookie);
void log_service(int fd, void *cookie);
void remount_service(int fd, void *cookie);
char * get_log_file_path(const char * log_name);
#endif
/* packet allocator */
apacket *get_apacket(void);
void put_apacket(apacket *p);
int check_header(apacket *p);
int check_data(apacket *p);
/* define ADB_TRACE to 1 to enable tracing support, or 0 to disable it */
#define ADB_TRACE 1
/* IMPORTANT: if you change the following list, don't
* forget to update the corresponding 'tags' table in
* the adb_trace_init() function implemented in adb.c
*/
typedef enum {
TRACE_ADB = 0, /* 0x001 */
TRACE_SOCKETS,
TRACE_PACKETS,
TRACE_TRANSPORT,
TRACE_RWX, /* 0x010 */
TRACE_USB,
TRACE_SYNC,
TRACE_SYSDEPS,
TRACE_JDWP, /* 0x100 */
TRACE_SERVICES,
} AdbTrace;
#if ADB_TRACE
extern int adb_trace_mask;
extern unsigned char adb_trace_output_count;
void adb_trace_init(void);
# define ADB_TRACING ((adb_trace_mask & (1 << TRACE_TAG)) != 0)
/* you must define TRACE_TAG before using this macro */
# define D(...) \
do { \
if (ADB_TRACING) { \
int save_errno = errno; \
adb_mutex_lock(&D_lock); \
fprintf(stderr, "%s::%s():", \
__FILE__, __FUNCTION__); \
errno = save_errno; \
fprintf(stderr, __VA_ARGS__ ); \
fflush(stderr); \
adb_mutex_unlock(&D_lock); \
errno = save_errno; \
} \
} while (0)
# define DR(...) \
do { \
if (ADB_TRACING) { \
int save_errno = errno; \
adb_mutex_lock(&D_lock); \
errno = save_errno; \
fprintf(stderr, __VA_ARGS__ ); \
fflush(stderr); \
adb_mutex_unlock(&D_lock); \
errno = save_errno; \
} \
} while (0)
#else
# define D(...) ((void)0)
# define DR(...) ((void)0)
# define ADB_TRACING 0
#endif
#if !TRACE_PACKETS
#define print_packet(tag,p) do {} while (0)
#endif
#if ADB_HOST_ON_TARGET
/* adb and adbd are coexisting on the target, so use 5038 for adb
* to avoid conflicting with adbd's usage of 5037
*/
# define DEFAULT_ADB_PORT 5038
#else
# define DEFAULT_ADB_PORT 5037
#endif
#define DEFAULT_ADB_LOCAL_TRANSPORT_PORT 5555
#define ADB_CLASS 0xff
#define ADB_SUBCLASS 0x42
#define ADB_PROTOCOL 0x1
void local_init(int port);
int local_connect(int port);
int local_connect_arbitrary_ports(int console_port, int adb_port);
/* usb host/client interface */
void usb_init();
void usb_cleanup();
int usb_write(usb_handle *h, const void *data, int len);
int usb_read(usb_handle *h, void *data, int len);
int usb_close(usb_handle *h);
void usb_kick(usb_handle *h);
/* used for USB device detection */
#if ADB_HOST
int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol);
#endif
unsigned host_to_le32(unsigned n);
int adb_commandline(int argc, char **argv);
int connection_state(atransport *t);
#define CS_ANY -1
#define CS_OFFLINE 0
#define CS_BOOTLOADER 1
#define CS_DEVICE 2
#define CS_HOST 3
#define CS_RECOVERY 4
#define CS_NOPERM 5 /* Insufficient permissions to communicate with the device */
#define CS_SIDELOAD 6
#define CS_UNAUTHORIZED 7
extern int HOST;
extern int SHELL_EXIT_NOTIFY_FD;
#define CHUNK_SIZE (64*1024)
#if !ADB_HOST
#define USB_ADB_PATH "/dev/android_adb"
#define USB_FFS_ADB_PATH "/dev/usb-ffs/adb/"
#define USB_FFS_ADB_EP(x) USB_FFS_ADB_PATH#x
#define USB_FFS_ADB_EP0 USB_FFS_ADB_EP(ep0)
#define USB_FFS_ADB_OUT USB_FFS_ADB_EP(ep1)
#define USB_FFS_ADB_IN USB_FFS_ADB_EP(ep2)
#endif
int sendfailmsg(int fd, const char *reason);
int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s);
#endif
Reference in a new issue View git blame Copy permalink