adb.h revision c29569c5d3c1358983915596267e85e85c7f82e2
1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef __ADB_H 18#define __ADB_H 19 20#include <limits.h> 21 22#include "transport.h" /* readx(), writex() */ 23 24#define MAX_PAYLOAD 4096 25 26#define A_SYNC 0x434e5953 27#define A_CNXN 0x4e584e43 28#define A_OPEN 0x4e45504f 29#define A_OKAY 0x59414b4f 30#define A_CLSE 0x45534c43 31#define A_WRTE 0x45545257 32 33#define A_VERSION 0x01000000 // ADB protocol version 34 35#define ADB_VERSION_MAJOR 1 // Used for help/version information 36#define ADB_VERSION_MINOR 0 // Used for help/version information 37 38#define ADB_SERVER_VERSION 29 // Increment this when we want to force users to start a new adb server 39 40typedef struct amessage amessage; 41typedef struct apacket apacket; 42typedef struct asocket asocket; 43typedef struct alistener alistener; 44typedef struct aservice aservice; 45typedef struct atransport atransport; 46typedef struct adisconnect adisconnect; 47typedef struct usb_handle usb_handle; 48 49struct amessage { 50 unsigned command; /* command identifier constant */ 51 unsigned arg0; /* first argument */ 52 unsigned arg1; /* second argument */ 53 unsigned data_length; /* length of payload (0 is allowed) */ 54 unsigned data_check; /* checksum of data payload */ 55 unsigned magic; /* command ^ 0xffffffff */ 56}; 57 58struct apacket 59{ 60 apacket *next; 61 62 unsigned len; 63 unsigned char *ptr; 64 65 amessage msg; 66 unsigned char data[MAX_PAYLOAD]; 67}; 68 69/* An asocket represents one half of a connection between a local and 70** remote entity. A local asocket is bound to a file descriptor. A 71** remote asocket is bound to the protocol engine. 72*/ 73struct asocket { 74 /* chain pointers for the local/remote list of 75 ** asockets that this asocket lives in 76 */ 77 asocket *next; 78 asocket *prev; 79 80 /* the unique identifier for this asocket 81 */ 82 unsigned id; 83 84 /* flag: set when the socket's peer has closed 85 ** but packets are still queued for delivery 86 */ 87 int closing; 88 89 /* flag: quit adbd when both ends close the 90 ** local service socket 91 */ 92 int exit_on_close; 93 94 /* the asocket we are connected to 95 */ 96 97 asocket *peer; 98 99 /* For local asockets, the fde is used to bind 100 ** us to our fd event system. For remote asockets 101 ** these fields are not used. 102 */ 103 fdevent fde; 104 int fd; 105 106 /* queue of apackets waiting to be written 107 */ 108 apacket *pkt_first; 109 apacket *pkt_last; 110 111 /* enqueue is called by our peer when it has data 112 ** for us. It should return 0 if we can accept more 113 ** data or 1 if not. If we return 1, we must call 114 ** peer->ready() when we once again are ready to 115 ** receive data. 116 */ 117 int (*enqueue)(asocket *s, apacket *pkt); 118 119 /* ready is called by the peer when it is ready for 120 ** us to send data via enqueue again 121 */ 122 void (*ready)(asocket *s); 123 124 /* close is called by the peer when it has gone away. 125 ** we are not allowed to make any further calls on the 126 ** peer once our close method is called. 127 */ 128 void (*close)(asocket *s); 129 130 /* socket-type-specific extradata */ 131 void *extra; 132 133 /* A socket is bound to atransport */ 134 atransport *transport; 135}; 136 137 138/* the adisconnect structure is used to record a callback that 139** will be called whenever a transport is disconnected (e.g. by the user) 140** this should be used to cleanup objects that depend on the 141** transport (e.g. remote sockets, listeners, etc...) 142*/ 143struct adisconnect 144{ 145 void (*func)(void* opaque, atransport* t); 146 void* opaque; 147 adisconnect* next; 148 adisconnect* prev; 149}; 150 151 152/* a transport object models the connection to a remote device or emulator 153** there is one transport per connected device/emulator. a "local transport" 154** connects through TCP (for the emulator), while a "usb transport" through 155** USB (for real devices) 156** 157** note that kTransportHost doesn't really correspond to a real transport 158** object, it's a special value used to indicate that a client wants to 159** connect to a service implemented within the ADB server itself. 160*/ 161typedef enum transport_type { 162 kTransportUsb, 163 kTransportLocal, 164 kTransportAny, 165 kTransportHost, 166} transport_type; 167 168struct atransport 169{ 170 atransport *next; 171 atransport *prev; 172 173 int (*read_from_remote)(apacket *p, atransport *t); 174 int (*write_to_remote)(apacket *p, atransport *t); 175 void (*close)(atransport *t); 176 void (*kick)(atransport *t); 177 178 int fd; 179 int transport_socket; 180 fdevent transport_fde; 181 int ref_count; 182 unsigned sync_token; 183 int connection_state; 184 transport_type type; 185 186 /* usb handle or socket fd as needed */ 187 usb_handle *usb; 188 int sfd; 189 190 /* used to identify transports for clients */ 191 char *serial; 192 char *product; 193 char *model; 194 char *device; 195 char *devpath; 196 int adb_port; // Use for emulators (local transport) 197 198 /* a list of adisconnect callbacks called when the transport is kicked */ 199 int kicked; 200 adisconnect disconnects; 201}; 202 203 204/* A listener is an entity which binds to a local port 205** and, upon receiving a connection on that port, creates 206** an asocket to connect the new local connection to a 207** specific remote service. 208** 209** TODO: some listeners read from the new connection to 210** determine what exact service to connect to on the far 211** side. 212*/ 213struct alistener 214{ 215 alistener *next; 216 alistener *prev; 217 218 fdevent fde; 219 int fd; 220 221 const char *local_name; 222 const char *connect_to; 223 atransport *transport; 224 adisconnect disconnect; 225}; 226 227 228void print_packet(const char *label, apacket *p); 229 230asocket *find_local_socket(unsigned id); 231void install_local_socket(asocket *s); 232void remove_socket(asocket *s); 233void close_all_sockets(atransport *t); 234 235#define LOCAL_CLIENT_PREFIX "emulator-" 236 237asocket *create_local_socket(int fd); 238asocket *create_local_service_socket(const char *destination); 239 240asocket *create_remote_socket(unsigned id, atransport *t); 241void connect_to_remote(asocket *s, const char *destination); 242void connect_to_smartsocket(asocket *s); 243 244void fatal(const char *fmt, ...); 245void fatal_errno(const char *fmt, ...); 246 247void handle_packet(apacket *p, atransport *t); 248void send_packet(apacket *p, atransport *t); 249 250void get_my_path(char *s, size_t maxLen); 251int launch_server(int server_port); 252int adb_main(int is_daemon, int server_port); 253 254 255/* transports are ref-counted 256** get_device_transport does an acquire on your behalf before returning 257*/ 258void init_transport_registration(void); 259int list_transports(char *buf, size_t bufsize, int long_listing); 260void update_transports(void); 261 262asocket* create_device_tracker(void); 263 264/* Obtain a transport from the available transports. 265** If state is != CS_ANY, only transports in that state are considered. 266** If serial is non-NULL then only the device with that serial will be chosen. 267** If no suitable transport is found, error is set. 268*/ 269atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char **error_out); 270void add_transport_disconnect( atransport* t, adisconnect* dis ); 271void remove_transport_disconnect( atransport* t, adisconnect* dis ); 272void run_transport_disconnects( atransport* t ); 273void kick_transport( atransport* t ); 274 275/* initialize a transport object's func pointers and state */ 276#if ADB_HOST 277int get_available_local_transport_index(); 278#endif 279int init_socket_transport(atransport *t, int s, int port, int local); 280void init_usb_transport(atransport *t, usb_handle *usb, int state); 281 282/* for MacOS X cleanup */ 283void close_usb_devices(); 284 285/* cause new transports to be init'd and added to the list */ 286void register_socket_transport(int s, const char *serial, int port, int local); 287 288/* these should only be used for the "adb disconnect" command */ 289void unregister_transport(atransport *t); 290void unregister_all_tcp_transports(); 291 292void register_usb_transport(usb_handle *h, const char *serial, const char *devpath, unsigned writeable); 293 294/* this should only be used for transports with connection_state == CS_NOPERM */ 295void unregister_usb_transport(usb_handle *usb); 296 297atransport *find_transport(const char *serial); 298#if ADB_HOST 299atransport* find_emulator_transport_by_adb_port(int adb_port); 300#endif 301 302int service_to_fd(const char *name); 303#if ADB_HOST 304asocket *host_service_to_socket(const char* name, const char *serial); 305#endif 306 307#if !ADB_HOST 308int init_jdwp(void); 309asocket* create_jdwp_service_socket(); 310asocket* create_jdwp_tracker_service_socket(); 311int create_jdwp_connection_fd(int jdwp_pid); 312#endif 313 314#if !ADB_HOST 315typedef enum { 316 BACKUP, 317 RESTORE 318} BackupOperation; 319int backup_service(BackupOperation operation, char* args); 320void framebuffer_service(int fd, void *cookie); 321void log_service(int fd, void *cookie); 322void remount_service(int fd, void *cookie); 323char * get_log_file_path(const char * log_name); 324#endif 325 326/* packet allocator */ 327apacket *get_apacket(void); 328void put_apacket(apacket *p); 329 330int check_header(apacket *p); 331int check_data(apacket *p); 332 333/* define ADB_TRACE to 1 to enable tracing support, or 0 to disable it */ 334 335#define ADB_TRACE 1 336 337/* IMPORTANT: if you change the following list, don't 338 * forget to update the corresponding 'tags' table in 339 * the adb_trace_init() function implemented in adb.c 340 */ 341typedef enum { 342 TRACE_ADB = 0, /* 0x001 */ 343 TRACE_SOCKETS, 344 TRACE_PACKETS, 345 TRACE_TRANSPORT, 346 TRACE_RWX, /* 0x010 */ 347 TRACE_USB, 348 TRACE_SYNC, 349 TRACE_SYSDEPS, 350 TRACE_JDWP, /* 0x100 */ 351 TRACE_SERVICES, 352} AdbTrace; 353 354#if ADB_TRACE 355 356#if !ADB_HOST 357/* 358 * When running inside the emulator, guest's adbd can connect to 'adb-debug' 359 * qemud service that can display adb trace messages (on condition that emulator 360 * has been started with '-debug adb' option). 361 */ 362 363/* Delivers a trace message to the emulator via QEMU pipe. */ 364void adb_qemu_trace(const char* fmt, ...); 365/* Macro to use to send ADB trace messages to the emulator. */ 366#define DQ(...) adb_qemu_trace(__VA_ARGS__) 367#else 368#define DQ(...) ((void)0) 369#endif /* !ADB_HOST */ 370 371 extern int adb_trace_mask; 372 extern unsigned char adb_trace_output_count; 373 void adb_trace_init(void); 374 375# define ADB_TRACING ((adb_trace_mask & (1 << TRACE_TAG)) != 0) 376 377 /* you must define TRACE_TAG before using this macro */ 378# define D(...) \ 379 do { \ 380 if (ADB_TRACING) { \ 381 int save_errno = errno; \ 382 adb_mutex_lock(&D_lock); \ 383 fprintf(stderr, "%s::%s():", \ 384 __FILE__, __FUNCTION__); \ 385 errno = save_errno; \ 386 fprintf(stderr, __VA_ARGS__ ); \ 387 fflush(stderr); \ 388 adb_mutex_unlock(&D_lock); \ 389 errno = save_errno; \ 390 } \ 391 } while (0) 392# define DR(...) \ 393 do { \ 394 if (ADB_TRACING) { \ 395 int save_errno = errno; \ 396 adb_mutex_lock(&D_lock); \ 397 errno = save_errno; \ 398 fprintf(stderr, __VA_ARGS__ ); \ 399 fflush(stderr); \ 400 adb_mutex_unlock(&D_lock); \ 401 errno = save_errno; \ 402 } \ 403 } while (0) 404#else 405# define D(...) ((void)0) 406# define DR(...) ((void)0) 407# define ADB_TRACING 0 408#endif 409 410 411#if !TRACE_PACKETS 412#define print_packet(tag,p) do {} while (0) 413#endif 414 415#if ADB_HOST_ON_TARGET 416/* adb and adbd are coexisting on the target, so use 5038 for adb 417 * to avoid conflicting with adbd's usage of 5037 418 */ 419# define DEFAULT_ADB_PORT 5038 420#else 421# define DEFAULT_ADB_PORT 5037 422#endif 423 424#define DEFAULT_ADB_LOCAL_TRANSPORT_PORT 5555 425 426#define ADB_CLASS 0xff 427#define ADB_SUBCLASS 0x42 428#define ADB_PROTOCOL 0x1 429 430 431void local_init(int port); 432int local_connect(int port); 433int local_connect_arbitrary_ports(int console_port, int adb_port); 434 435/* usb host/client interface */ 436void usb_init(); 437void usb_cleanup(); 438int usb_write(usb_handle *h, const void *data, int len); 439int usb_read(usb_handle *h, void *data, int len); 440int usb_close(usb_handle *h); 441void usb_kick(usb_handle *h); 442 443/* used for USB device detection */ 444#if ADB_HOST 445int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol); 446#endif 447 448unsigned host_to_le32(unsigned n); 449int adb_commandline(int argc, char **argv); 450 451int connection_state(atransport *t); 452 453#define CS_ANY -1 454#define CS_OFFLINE 0 455#define CS_BOOTLOADER 1 456#define CS_DEVICE 2 457#define CS_HOST 3 458#define CS_RECOVERY 4 459#define CS_NOPERM 5 /* Insufficient permissions to communicate with the device */ 460#define CS_SIDELOAD 6 461 462extern int HOST; 463extern int SHELL_EXIT_NOTIFY_FD; 464 465#define CHUNK_SIZE (64*1024) 466 467#if !ADB_HOST 468#define USB_ADB_PATH "/dev/android_adb" 469 470#define USB_FFS_ADB_PATH "/dev/usb-ffs/adb/" 471#define USB_FFS_ADB_EP(x) USB_FFS_ADB_PATH#x 472 473#define USB_FFS_ADB_EP0 USB_FFS_ADB_EP(ep0) 474#define USB_FFS_ADB_OUT USB_FFS_ADB_EP(ep1) 475#define USB_FFS_ADB_IN USB_FFS_ADB_EP(ep2) 476#endif 477 478int sendfailmsg(int fd, const char *reason); 479int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s); 480 481#endif 482