2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
23 #include "transport.h" /* readx(), writex() */
26 #include "commandline_sdbd.h"
29 #define MAX_PAYLOAD 4096
31 #define A_SYNC 0x434e5953
32 #define A_CNXN 0x4e584e43
33 #define A_OPEN 0x4e45504f
34 #define A_OKAY 0x59414b4f
35 #define A_CLSE 0x45534c43
36 #define A_WRTE 0x45545257
38 #define A_VERSION 0x01000000 // SDB protocol version
40 #define SDB_VERSION_MAJOR 2 // Used for help/version information
41 #define SDB_VERSION_MINOR 1 // Used for help/version information
43 #define SDB_SERVER_VERSION 0 // Increment this when we want to force users to start a new sdb server
45 typedef struct amessage amessage;
46 typedef struct apacket apacket;
47 typedef struct asocket asocket;
48 typedef struct alistener alistener;
49 typedef struct aservice aservice;
50 typedef struct atransport atransport;
51 typedef struct adisconnect adisconnect;
52 typedef struct usb_handle usb_handle;
55 unsigned command; /* command identifier constant */
56 unsigned arg0; /* first argument */
57 unsigned arg1; /* second argument */
58 unsigned data_length; /* length of payload (0 is allowed) */
59 unsigned data_check; /* checksum of data payload */
60 unsigned magic; /* command ^ 0xffffffff */
71 unsigned char data[MAX_PAYLOAD];
74 /* An asocket represents one half of a connection between a local and
75 ** remote entity. A local asocket is bound to a file descriptor. A
76 ** remote asocket is bound to the protocol engine.
79 /* chain pointers for the local/remote list of
80 ** asockets that this asocket lives in
85 /* the unique identifier for this asocket
89 /* flag: set when the socket's peer has closed
90 ** but packets are still queued for delivery
94 /* flag: quit adbd when both ends close the
95 ** local service socket
99 /* the asocket we are connected to
104 /* For local asockets, the fde is used to bind
105 ** us to our fd event system. For remote asockets
106 ** these fields are not used.
111 /* queue of apackets waiting to be written
116 /* enqueue is called by our peer when it has data
117 ** for us. It should return 0 if we can accept more
118 ** data or 1 if not. If we return 1, we must call
119 ** peer->ready() when we once again are ready to
122 int (*enqueue)(asocket *s, apacket *pkt);
124 /* ready is called by the peer when it is ready for
125 ** us to send data via enqueue again
127 void (*ready)(asocket *s);
129 /* close is called by the peer when it has gone away.
130 ** we are not allowed to make any further calls on the
131 ** peer once our close method is called.
133 void (*close)(asocket *s);
135 /* socket-type-specific extradata */
138 /* A socket is bound to atransport */
139 atransport *transport;
143 /* the adisconnect structure is used to record a callback that
144 ** will be called whenever a transport is disconnected (e.g. by the user)
145 ** this should be used to cleanup objects that depend on the
146 ** transport (e.g. remote sockets, listeners, etc...)
150 void (*func)(void* opaque, atransport* t);
157 /* a transport object models the connection to a remote device or emulator
158 ** there is one transport per connected device/emulator. a "local transport"
159 ** connects through TCP (for the emulator), while a "usb transport" through
160 ** USB (for real devices)
162 ** note that kTransportHost doesn't really correspond to a real transport
163 ** object, it's a special value used to indicate that a client wants to
164 ** connect to a service implemented within the SDB server itself.
166 typedef enum transport_type {
178 int (*read_from_remote)(apacket *p, atransport *t);
179 int (*write_to_remote)(apacket *p, atransport *t);
180 void (*close)(atransport *t);
181 void (*kick)(atransport *t);
184 int transport_socket;
185 fdevent transport_fde;
188 int connection_state;
191 /* usb handle or socket fd as needed */
195 /* used to identify transports for clients */
198 int sdb_port; // Use for emulators (local transport)
199 char *device_name; // for connection explorer
201 /* a list of adisconnect callbacks called when the transport is kicked */
203 adisconnect disconnects;
207 /* A listener is an entity which binds to a local port
208 ** and, upon receiving a connection on that port, creates
209 ** an asocket to connect the new local connection to a
210 ** specific remote service.
212 ** TODO: some listeners read from the new connection to
213 ** determine what exact service to connect to on the far
224 const char *local_name;
225 const char *connect_to;
226 atransport *transport;
227 adisconnect disconnect;
231 void print_packet(const char *label, apacket *p);
233 asocket *find_local_socket(unsigned id);
234 void install_local_socket(asocket *s);
235 void remove_socket(asocket *s);
236 void close_all_sockets(atransport *t);
238 #define LOCAL_CLIENT_PREFIX "emulator-"
240 asocket *create_local_socket(int fd);
241 asocket *create_local_service_socket(const char *destination);
243 asocket *create_remote_socket(unsigned id, atransport *t);
244 void connect_to_remote(asocket *s, const char *destination);
245 void connect_to_smartsocket(asocket *s);
247 void fatal(const char *fmt, ...);
248 void fatal_errno(const char *fmt, ...);
250 void handle_packet(apacket *p, atransport *t);
251 void send_packet(apacket *p, atransport *t);
253 void get_my_path(char *s, size_t maxLen);
254 int launch_server(int server_port);
255 int sdb_main(int is_daemon, int server_port);
258 /* transports are ref-counted
259 ** get_device_transport does an acquire on your behalf before returning
261 void init_transport_registration(void);
262 int list_transports(char *buf, size_t bufsize);
263 void update_transports(void);
265 asocket* create_device_tracker(void);
267 /* Obtain a transport from the available transports.
268 ** If state is != CS_ANY, only transports in that state are considered.
269 ** If serial is non-NULL then only the device with that serial will be chosen.
270 ** If no suitable transport is found, error is set.
272 atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char **error_out);
273 void add_transport_disconnect( atransport* t, adisconnect* dis );
274 void remove_transport_disconnect( atransport* t, adisconnect* dis );
275 void run_transport_disconnects( atransport* t );
276 void kick_transport( atransport* t );
278 /* initialize a transport object's func pointers and state */
280 int get_available_local_transport_index();
282 int init_socket_transport(atransport *t, int s, int port, int local);
283 void init_usb_transport(atransport *t, usb_handle *usb, int state);
285 /* for MacOS X cleanup */
286 void close_usb_devices();
288 /* cause new transports to be init'd and added to the list */
289 void register_socket_transport(int s, const char *serial, int port, int local, const char *device_name);
291 /* these should only be used for the "sdb disconnect" command */
292 void unregister_transport(atransport *t);
293 void unregister_all_tcp_transports();
295 void register_usb_transport(usb_handle *h, const char *serial, unsigned writeable);
297 /* this should only be used for transports with connection_state == CS_NOPERM */
298 void unregister_usb_transport(usb_handle *usb);
300 atransport *find_transport(const char *serial);
302 atransport* find_emulator_transport_by_sdb_port(int sdb_port);
305 int service_to_fd(const char *name);
307 asocket *host_service_to_socket(const char* name, const char *serial);
312 asocket* create_jdwp_service_socket();
313 asocket* create_jdwp_tracker_service_socket();
314 int create_jdwp_connection_fd(int jdwp_pid);
322 int backup_service(BackupOperation operation, char* args);
323 void framebuffer_service(int fd, void *cookie);
324 void log_service(int fd, void *cookie);
325 void remount_service(int fd, void *cookie);
326 char * get_log_file_path(const char * log_name);
328 int rootshell_mode;// 0: developer, 1: root
330 // This is the users and groups config for the platform
332 #define SID_ROOT 0 /* traditional unix root user */
333 #define SID_TTY 5 /* group for /dev/ptmx */
334 #define SID_APP 5000 /* application */
335 #define SID_DEVELOPER 5100 /* developer with SDK */
336 #define SID_APP_LOGGING 6509
337 #define SID_SYS_LOGGING 6527
338 #define SID_INPUT 1004
342 int should_drop_privileges(void);
343 int set_developer_privileges();
344 void set_root_privileges();
346 int get_emulator_forward_port(void);
347 int get_emulator_name(char str[], int str_size);
348 int get_device_name(char str[], int str_size);
349 /* packet allocator */
350 apacket *get_apacket(void);
351 void put_apacket(apacket *p);
353 int check_header(apacket *p);
354 int check_data(apacket *p);
356 /* define SDB_TRACE to 1 to enable tracing support, or 0 to disable it */
360 /* IMPORTANT: if you change the following list, don't
361 * forget to update the corresponding 'tags' table in
362 * the sdb_trace_init() function implemented in sdb.c
383 * When running inside the emulator, guest's sdbd can connect to 'sdb-debug'
384 * qemud service that can display sdb trace messages (on condition that emulator
385 * has been started with '-debug sdb' option).
388 /* Delivers a trace message to the emulator via QEMU pipe. */
389 void sdb_qemu_trace(const char* fmt, ...);
390 /* Macro to use to send SDB trace messages to the emulator. */
391 #define DQ(...) sdb_qemu_trace(__VA_ARGS__)
393 #define DQ(...) ((void)0)
394 #endif /* !SDB_HOST */
396 extern int sdb_trace_mask;
397 extern unsigned char sdb_trace_output_count;
398 void sdb_trace_init(void);
400 # define SDB_TRACING ((sdb_trace_mask & (1 << TRACE_TAG)) != 0)
402 /* you must define TRACE_TAG before using this macro */
406 int save_errno = errno; \
407 sdb_mutex_lock(&D_lock); \
408 fprintf(stderr, "%s::%s():", \
409 __FILE__, __FUNCTION__); \
410 errno = save_errno; \
411 fprintf(stderr, __VA_ARGS__ ); \
413 sdb_mutex_unlock(&D_lock); \
414 errno = save_errno; \
420 int save_errno = errno; \
421 sdb_mutex_lock(&D_lock); \
422 errno = save_errno; \
423 fprintf(stderr, __VA_ARGS__ ); \
425 sdb_mutex_unlock(&D_lock); \
426 errno = save_errno; \
430 # define D(...) ((void)0)
431 # define DR(...) ((void)0)
432 # define SDB_TRACING 0
437 #define print_packet(tag,p) do {} while (0)
440 #if SDB_HOST_ON_TARGET
441 /* sdb and sdbd are coexisting on the target, so use 26099 for sdb
442 * to avoid conflicting with sdbd's usage of 26098
444 # define DEFAULT_SDB_PORT 26099 /* tizen specific */
446 # define DEFAULT_SDB_PORT 26099 /* tizen specific */
449 # define QEMU_FORWARD_IP "10.0.2.2"
451 #define DEFAULT_SDB_LOCAL_TRANSPORT_PORT 26101 /* tizen specific */
452 #define DEFAULT_SENSORS_LOCAL_TRANSPORT_PORT 26103 /* tizen specific */
454 #define SDB_CLASS 0xff
455 #define SDB_SUBCLASS 0x20 //0x42 /* tizen specific */
456 #define SDB_PROTOCOL 0x02 //0x01 /* tizen specific */
459 void local_init(int port);
460 int local_connect(int port, const char *device_name);
461 int local_connect_arbitrary_ports(int console_port, int sdb_port, const char *device_name);
463 /* usb host/client interface */
466 int usb_write(usb_handle *h, const void *data, int len);
467 int usb_read(usb_handle *h, void *data, int len);
468 int usb_close(usb_handle *h);
469 void usb_kick(usb_handle *h);
471 /* used for USB device detection */
473 int is_sdb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol);
476 unsigned host_to_le32(unsigned n);
477 int sdb_commandline(int argc, char **argv);
479 int connection_state(atransport *t);
483 #define CS_BOOTLOADER 1
486 #define CS_RECOVERY 4
487 #define CS_NOPERM 5 /* Insufficient permissions to communicate with the device */
488 #define CS_SIDELOAD 6
491 extern int SHELL_EXIT_NOTIFY_FD;
493 extern SdbdCommandlineArgs sdbd_commandline_args;
496 #define CHUNK_SIZE (64*1024)
498 int sendfailmsg(int fd, const char *reason);
499 int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s);
501 int is_emulator(void);
502 #define DEFAULT_DEVICENAME "unknown"
504 #if SDB_HOST /* tizen-specific */
505 #define DEVICEMAP_SEPARATOR ":"
506 #define DEVICENAME_MAX 256
507 #define VMS_PATH OS_PATH_SEPARATOR_STR "vms" OS_PATH_SEPARATOR_STR // should include sysdeps.h above
509 void register_device_name(const char *device_type, const char *device_name, int port);
510 int get_devicename_from_shdmem(int port, char *device_name);
511 int read_line(const int fd, char* ptr, const size_t maxlen);
515 #define USB_NODE_FILE "/dev/samsung_sdb"