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Author SHA1 Message Date
Romain Vimont
b9b8b6aab8 Simplify Windows process inheritance configuration 
Merge if-blocks together.
 2021-11-26 09:41:11 +01:00
Romain Vimont
3e54773c48 Remove intermediate static functions from adb.c 
They can easily be inlined into the public functions.
 2021-11-26 09:41:11 +01:00
Romain Vimont
b90c89766b Set CLOEXEC flag on sockets 
If SOCK_CLOEXEC exists, then set the flag on socket creation.

Otherwise, use fcntl() (or SetHandleInformation() on Windows) to set the
flag afterwards.

This avoids the sockets to be inherited in child processes.

Refs #2783 <https://github.com/Genymobile/scrcpy/pull/2783>
 2021-11-26 09:40:39 +01:00
Romain Vimont
904f0ae61e Check process success locally for adb commands 
Remove sc_process_check_success() from the process API, it is too
specific.
 2021-11-25 22:22:34 +01:00
Romain Vimont
680d2cc940 Extract command argv building 
This simplifies adb_execute_p().
 2021-11-25 22:22:34 +01:00
Romain Vimont
8ed3328055 Use unsigned for connection attempts count 
There is no reason to use an explicit uint32_t.
 2021-11-25 22:22:34 +01:00
Romain Vimont
d31725f077 Reorder cli sanity checks 
Check unexpected additional arguments before other sanity checks.
 2021-11-25 22:22:34 +01:00
Romain Vimont
b0eb1a55d6 Fix adb get-serialno error handling 
If pipe read fails, return.
 2021-11-25 22:22:34 +01:00
Romain Vimont
3653fb6b15 Add OutOfMemory log helper 
Add a special LOG_OOM() function to log all OutOfMemory errors (i.e.
allocations returning NULL).
 2021-11-24 22:06:49 +01:00
Romain Vimont
92a458e846 Remove unreachable return statements 2021-11-24 21:48:57 +01:00
Romain Vimont
73e0311d14 Add missing return on file_handler failure 
Mistake introduced by 84334cf7db.
 2021-11-24 21:46:02 +01:00
Romain Vimont
007f616302 Add missing includes 
Include these headers explicitly instead of relying on transitivity.
 2021-11-24 21:44:29 +01:00
Romain Vimont
7b29f5fd2d Do not pass default values to the server 
By default, only pass the version and the bit rate (the default bitrate
is a client compilation option).
 2021-11-24 21:31:12 +01:00
Romain Vimont
04e5537f8c Pass server parameters as key=value pairs 
The options values to configure the server were identified by their
command-line argument index. Now that there are a lot of arguments, many
of them being booleans, it became unreadable and error-prone.

Identify the arguments by a key string instead, and make them optional.

This will also simplify running the server manually for debugging.
 2021-11-24 21:23:20 +01:00
Romain Vimont
2eb881c5f1 Allocate and format server command args 
This simplifies formatting.
 2021-11-24 21:10:18 +01:00
Romain Vimont
5434ea543c Remove local "serial" variable 
In execute_server(), the serial is used only once. Moreover, it can be
retrieved from the `params` argument directly.
 2021-11-24 21:01:25 +01:00
Romain Vimont
d5f6697f3a Add (v)asprintf compatibility functions 
In case they are not available on the platform.
 2021-11-24 19:55:00 +01:00
Romain Vimont
d6c0054545 Move check_functions in meson script 
Move the variable to the place it is actually used.
 2021-11-24 19:38:33 +01:00
Romain Vimont
6f487a2892 Add missing includes in compat implementation 
These includes are necessary for the strdup() compat implementation.
 2021-11-24 19:37:33 +01:00
Romain Vimont
dc0ac01e00 Define common feature test macros for all systems 
_POSIX_C_SOURCE, _XOPEN_SOURCE and _GNU_SOURCE are also used on Windows.

Fix regression introduced by ba547e3895.
 2021-11-24 19:36:33 +01:00
Romain Vimont
6abff46c9f Add option to disable clipboard autosync 
By default, scrcpy automatically synchronizes the computer clipboard to
the device clipboard before injecting Ctrl+v, and the device clipboard
to the computer clipboard whenever it changes.

This new option --no-clipboard-autosync disables this automatic
synchronization.

Fixes #2228 <https://github.com/Genymobile/scrcpy/issues/2228>
PR #2817 <https://github.com/Genymobile/scrcpy/pull/2817>
 2021-11-24 09:44:39 +01:00
Romain Vimont
5d17bcf1bc Wait SET_CLIPBOARD ack before Ctrl+v via HID 
To allow seamless copy-paste, on Ctrl+v, a SET_CLIPBOARD request is
performed before injecting Ctrl+v.

But when HID keyboard is enabled, the Ctrl+v injection is not sent on
the same channel as the clipboard request, so they are not serialized,
and may occur in any order. If Ctrl+v happens to be injected before the
new clipboard content is set, then the old content is pasted instead,
which is incorrect.

To minimize the probability of occurrence of the wrong order, a delay of
2 milliseconds was added before injecting Ctrl+v. Then 5ms. But even
with 5ms, the wrong behavior sometimes happens.

To handle it properly, add an acknowledgement mechanism, so that Ctrl+v
is injected over AOA only after the SET_CLIPBOARD request has been
performed and acknowledged by the server.

Refs e4163321f0
Refs 45b0f8123a

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
 2021-11-24 09:41:21 +01:00
Romain Vimont
2d5525eac1 Move PRIu64 Windows workaround to compat.h 
So that we can use it from several files.

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
 2021-11-23 21:15:05 +01:00
Romain Vimont
2a0730ee9b Add device clipboard set acknowledgement 
Add a device message type so that the device could send acknowledgements
for SET_CLIPBOARD requests.

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
 2021-11-23 21:15:05 +01:00
Romain Vimont
901d837165 Add sequence number to set_clipboard request 
This will allow the client to request an acknowledgement.

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
 2021-11-23 21:15:05 +01:00
Romain Vimont
aba1fc03c3 Add acksync helper to wait for acks 
This will allow to send requests with sequence numbers to the server
and wait for acknowledgements.

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
 2021-11-23 21:15:05 +01:00
Romain Vimont
5b3856c3b6 Explicitly indicate when device clipboard is set 
Pass the information that device clipboard has been set to the key
processor. This avoids the keyprocessor to "guess", and paves the way to
implement a proper acknowledgement mechanism.

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
 2021-11-23 21:15:05 +01:00
Romain Vimont
854de9659a Do not inject Ctrl+v if clipboard sync failed 
This prevents to paste the current Android clipboard, which would be
unexpected.

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
 2021-11-23 21:15:05 +01:00
Romain Vimont
ea8028332c Synchronize computer-to-device empty clipboard 
Set the device clipboard to empty string if necessary. Otherwise, the
current device clipboard will be pasted on Ctrl+v.

PR #2814 <https://github.com/Genymobile/scrcpy/pull/2814>
 2021-11-23 21:14:49 +01:00
Romain Vimont
0427a981e5 Use UINT64_C macro for uint64_t constant in tests 
A long constant might not be sufficient.
 2021-11-21 22:57:33 +01:00
Romain Vimont
68eaee5bb0 Force adb forward if tunnel host/port is provided 
Tunnel host and port are only meaningful in "adb forward" mode.

They indicate where the client must connect to communicate with the
server. In "adb reverse" mode, the client _listens_, it does not
_connect_.

Refs #2807 <https://github.com/Genymobile/scrcpy/pull/2807>
 2021-11-21 22:37:52 +01:00
RipleyTom
7bdbde7363 Add options to configure tunnel host and port 
In "adb forward" mode, by default, scrcpy connects to localhost:PORT,
where PORT is the local port passed to "adb forward". This assumes that
the tunnel is established on the local host with a local adb server
(which is the common case).

For advanced usage, add --tunnel-host and --tunnel-port to force the
connection to a different destination.

Fixes #2801 <https://github.com/Genymobile/scrcpy/issues/2801>
PR #2807 <https://github.com/Genymobile/scrcpy/pull/2807>

Signed-off-by: Romain Vimont <rom@rom1v.com>
 2021-11-21 22:37:52 +01:00
RipleyTom
52e5181c84 Add function to parse IPv4 addresses 
PR #2807 <https://github.com/Genymobile/scrcpy/pull/2807>

Signed-off-by: Romain Vimont <rom@rom1v.com>
 2021-11-21 22:37:37 +01:00
Romain Vimont
ba547e3895 Configure feature test macros in meson 
Refs #2807 <https://github.com/Genymobile/scrcpy/pull/2807>

Co-authored-by: RipleyTom <RipleyTom@users.noreply.github.com>
 2021-11-21 00:20:11 +01:00
Romain Vimont
226f3b2c91 Add missing include config.h 2021-11-21 00:13:25 +01:00
Romain Vimont
6da6d905c2 Print scrcpy header first 
Inconditionnally print the scrcpy version first, without using LOGI().

The log level is configured only after parsing the command line
parameters (it may be changed via -V), and command line parsing logs
should not appear before the scrcpy version.
 2021-11-19 09:45:02 +01:00
Romain Vimont
b25404ee4b Print help to stdout 
The output of -h/--help was printed on stderr, although it is not an
error.

Printing on stdout allows to pipe the result directly:

    scrcpy --help | less

Instead of (in bash):

    scrcpy --help |& less
 2021-11-19 08:18:13 +01:00
Romain Vimont
4cfc1cd70a Assert that long options are correctly set 2021-11-19 08:06:23 +01:00
Romain Vimont
2fc80eae2d Simplify adb_tunnel 
With the new adb functions, the static adb_tunnel functions become
unnecessary.
 2021-11-19 07:25:03 +01:00
Romain Vimont
3fdbd994e0 Privatize low-level adb functions 
Only expose the interruptible user-friendly API.
 2021-11-19 07:25:03 +01:00
Romain Vimont
ce225f019a Use new user-friendly adb API 
Replace the adb_exec_*() calls by the new adb functions to simplify.
 2021-11-18 22:11:19 +01:00
Romain Vimont
b7559744a7 Expose new user-friendly adb functions 
Expose interruptible adb functions which return the expected result
directly, without exposing the process (sc_pid) to the caller.
 2021-11-18 22:08:15 +01:00
Romain Vimont
afb5a5e80f Rename adb functions to adb_exec_* 
This paves the way to replace them by more user-friendly functions that
will call them internally.
 2021-11-18 21:47:17 +01:00
Romain Vimont
84334cf7db Use sc_intr in file_handler 
Replace manual interruption handling by the recent sc_intr mechanism.
 2021-11-18 21:33:25 +01:00
Romain Vimont
0ba2686e1d Simplify file_handler 
Call the target functions directly.
 2021-11-18 19:46:47 +01:00
Romain Vimont
55648d4d64 Improve file_handler readability 
Use local variables as short name aliases.
 2021-11-18 19:46:40 +01:00
Romain Vimont
13fd693b50 Simplify adb_execute_p() 
Only pass the stdout pipe as parameter, scrcpy never writes to stdin or
reads from stderr of an adb process.
 2021-11-18 19:43:10 +01:00
Romain Vimont
0426ae885c Make "adb get-serialno" interruptible 
All process executions must be interruptible, so that Ctrl+c reacts
immediately.
 2021-11-18 19:41:41 +01:00
Romain Vimont
ea454e9cee Add interruptible function to read from pipe 
This will avoid to block Ctrl+c if the process the pipe is read from
takes too much time.
 2021-11-18 19:39:11 +01:00
Romain Vimont
cb65531533 Simplify sc_str_truncate() 
Use strcspn() to get the prefix length directly.
 2021-11-18 19:37:53 +01:00
Romain Vimont
9619ade706 Generalize string trunctation util function 
Add an additional argument to let the client pass the possible end
chars.
 2021-11-18 18:48:16 +01:00
Romain Vimont
f2781a8b6d Expose util function to truncate first line 
Move the local implementation from adb functions to the string util
functions.
 2021-11-18 18:48:16 +01:00
Romain Vimont
443cb14d6e Assume non-NULL serial in file_handler 
The previous commit guarantees to always initialize the serial, so the
file_handle may assume it is never NULL.
 2021-11-18 18:48:11 +01:00
Romain Vimont
b30c3a429f Always retrieve device serial 
This allows to execute all adb commands with the specific -s parameter,
even if it is not provided by the user.

In practice, calling adb without -s works if there is exactly one device
connected. But some adb commands (for example "adb push" on drag & drop)
could be executed after another device is connected, so the actual
device serial must be known.
 2021-11-18 18:32:15 +01:00
Romain Vimont
632bd5697b Add missing error handling 
If "adb get-serialno" fails, attempting to read from the uninitialized
pipe is incorrect.
 2021-11-18 18:32:15 +01:00
Romain Vimont
de50846905 Close process on check success 
The interruptible version of the function to check process success
(sc_process_check_success_intr()) did not accept a close parameter to
avoid a race condition. But as the result, the processes were not closed
at all.

Add a close parameter, and close the process separately to avoid the
race condition.
 2021-11-18 18:31:36 +01:00
Romain Vimont
9cb14b5166 Inherit only specific handles on Windows 
To be able to communicate with a child process via stdin, stdout and
stderr, the CreateProcess() parameter bInheritHandles must be set to
TRUE. But this causes *all* handles to be inherited, including sockets.

As a result, the server socket was inherited by the process running adb
to execute the server on the device, so it could not be closed properly,
causing other scrcpy instances to fail.

To fix the issue, use an extended API to explicitly set the HANDLEs to
inherit:
 - <https://stackoverflow.com/a/28185363/1987178>
 - <https://devblogs.microsoft.com/oldnewthing/20111216-00/?p=8873>

Fixes #2779 <https://github.com/Genymobile/scrcpy/issues/2779>
PR #2783 <https://github.com/Genymobile/scrcpy/pull/2783>
 2021-11-15 10:13:30 +01:00
Romain Vimont
9cb8766220 Factorize resource release after CreateProcess() 
Free the wide characters string in all cases before checking for errors.
 2021-11-15 07:49:01 +01:00
Romain Vimont
fd4ec784e0 Remove useless assignments on error 
Leave the output parameter untouched on error.
 2021-11-14 22:53:49 +01:00
Romain Vimont
52cebe1597 Fix Windows sc_pipe function names 
The implementation name was incorrect (it was harmless, because they are
not used on Windows).
 2021-11-14 22:41:38 +01:00
Romain Vimont
6a27062f48 Stop connection attempts if interrupted 
If the interruptor is interrupted, every network call will fail, but the
retry-on-error mechanism must also be stopped.
 2021-11-14 15:40:59 +01:00
Romain Vimont
739ff9dce0 Fix compilation errors with old SDL versions 
SDL_PixelFormatEnum has been introduced in SDL 2.0.10:
<cc6a8ac87e>

SDL_PIXELFORMAT_BGR444 has been introduced in SDL 2.0.12:
<a1c11854f2>

Fixes #2777 <https://github.com/Genymobile/scrcpy/issues/2777>
PR #2781 <https://github.com/Genymobile/scrcpy/pull/2781>

Reviewed-by: Yu-Chen Lin <npes87184@gmail.com>
 2021-11-14 15:37:30 +01:00
Romain Vimont
45b0f8123a Increase delay to inject HID on Ctrl+v 
2 milliseconds turn out to be insufficient sometimes. It seems that 5
milliseconds is enough (and still not noticeable).
 2021-11-14 01:23:06 +01:00
Romain Vimont
c1a34881d7 Use sc_ prefix for server 2021-11-14 01:23:05 +01:00
Romain Vimont
057c7a4df4 Move str_util to str 
Simplify naming.
 2021-11-14 01:22:22 +01:00
Romain Vimont
979ce64dc0 Improve string util API 
Use prefixed names and improve documentation.
 2021-11-14 01:22:22 +01:00
Romain Vimont
9a0bd545d5 Rename SC_INVALID_SOCKET to SC_SOCKET_NONE 
For consistency with SC_PROCESS_NONE.
 2021-11-14 01:22:22 +01:00
Romain Vimont
c4d008b96a Extract adb tunnel to a separate component 
This simplifies the server code.
 2021-11-14 01:22:22 +01:00
Romain Vimont
0d45c29d13 Move IPV4_LOCALHOST to net.h 
This constant will be used from several files.
 2021-11-14 01:22:22 +01:00
Romain Vimont
37c840a4c8 Interrupt on process terminated 
Interrupt any blocking call on process terminated, like on
server_stop().

This allows to interrupt any blocking accept() with correct
synchronization without additional complexity.
 2021-11-14 01:22:22 +01:00
Romain Vimont
f488cbd7e7 Make server interruptible 
Use an interruptor to immediately wake up blocking calls on
server_stop().
 2021-11-14 01:22:20 +01:00
Romain Vimont
40340509d9 Add interruptor utilities 
Expose wrapper functions for interrupting blocking calls, for process
and sockets.
 2021-11-13 22:54:18 +01:00
Romain Vimont
e0896142db Introduce interruptor tool 
An interruptor instance will help to wake up a blocking call from
another thread (typically to terminate immediately on Ctrl+C).
 2021-11-13 22:53:07 +01:00
Romain Vimont
0426708544 Run the server from a dedicated thread 
Define server callbacks, start the server asynchronously and listen to
connection events to initialize scrcpy properly.

It will help to simplify the server code, and allows to run the UI event
loop while the server is connecting. In particular, this will allow to
receive SIGINT/Ctrl+C events during connection to interrupt immediately.
 2021-11-13 10:19:52 +01:00
Romain Vimont
5b9c88693e Wait using a condition variable in server 
Currently, server_stop() is called from the same thread as
server_connect_to(), so interruption may never happen.

This is a step to prepare executing the server from a dedicated thread.
 2021-11-13 10:17:51 +01:00
Romain Vimont
a54dc8212f Reorder server functions 
This will avoid forward declarations in future commits.
 2021-11-13 10:16:35 +01:00
Romain Vimont
882e4cff5f Copy server params 
This is a preliminary step necessary to move the server to a separate
thread.
 2021-11-13 10:05:20 +01:00
Romain Vimont
9fa4d1cd4a Reorder server and server_params 
This will allow to define a server_params field in server.
 2021-11-13 10:05:20 +01:00
Romain Vimont
0bfa75a48b Split socket creation and connect/listen 
This will allow to assign the socket to a variable before connecting or
listening, so that it can be interrupted from another thread.
 2021-11-13 10:05:20 +01:00
Romain Vimont
ed19901db1 Set video and control sockets only on success 
Store the video and control sockets only if server_connect_to() returns
successfully.
 2021-11-13 10:05:01 +01:00
Romain Vimont
e69356c550 Initialize tunnel_enabled flag internally 
Set the flag from the inner methods, to avoid bypassing the assignment
by mistake (on error for example).
 2021-11-13 10:03:03 +01:00
Romain Vimont
03de9224fc Introduce process observer 
Add a tool to easily observe process termination.

This allows to move this complexity out of the server code.
 2021-11-13 10:02:23 +01:00
Romain Vimont
aa011832c1 Improve process API 
Prefix symbols and constants names and improve documentation.
 2021-11-12 22:44:37 +01:00
Romain Vimont
7e93abcf6d Factorize common impl of process_execute() 
Both implementations are the same. Move them to the common process.c.
 2021-11-12 22:44:37 +01:00
Romain Vimont
e80e6631e4 Remove duplicate function declaration 
The function process_terminate() was declared twice.
 2021-11-12 22:44:37 +01:00
Romain Vimont
fcc04f967b Improve file API 
Prefix symbols and constants names and improve documentation.
 2021-11-12 22:44:37 +01:00
Romain Vimont
d4c262301f Move functions from process to file 
Move filesystem-related functions from process.[ch] to file.[ch].
 2021-11-12 22:44:37 +01:00
Romain Vimont
be55e250ca Make screen_render() static 
It is only used from screen.c.
 2021-11-12 22:44:22 +01:00
Romain Vimont
7a733328bc Adapt help to terminal size 
If the error stream is a terminal, and we can retrieve the terminal
size, wrap the help content according to the terminal width.
 2021-11-11 15:22:39 +01:00
Romain Vimont
38332f683c Add util function to get terminal size 2021-11-11 15:22:39 +01:00
Romain Vimont
3f51a2ab43 Generate getopt params from option structures 
Use the option descriptions to generate the optstring and longopts
parameters for the getopt_long() command.

That way, the options are completely described in a single place.
 2021-11-11 14:59:34 +01:00
Romain Vimont
74ab0a4df8 Structure shortcuts help 2021-11-11 14:59:34 +01:00
Romain Vimont
f59e9e3cb0 Structure command line options help 
It will allow to correctly print the help for the current terminal size
(even if for now it is hardcoded to 80 columns).
 2021-11-11 14:59:34 +01:00
Romain Vimont
9ec3406568 Add line wrapper 
Add a tool to wrap lines at words boundaries (spaces) to fit in a
specified number of columns, left-indented by a specified number of
spaces.
 2021-11-11 14:55:53 +01:00
Romain Vimont
6dba1922c1 Add string buffer util 
This will help to build strings incrementally.
 2021-11-11 14:55:52 +01:00
Romain Vimont
570a003c39 Remove deprecated -T option 
The short option -T is deprecated since v1.11. Only the long version
(--always-on-top) remains.
 2021-11-07 21:35:57 +01:00
Romain Vimont
b62df7ee91 Remove deprecated -c option 
The short option -c is deprecated since v1.11. Only the long version
(--crop) remains.
 2021-11-07 21:35:53 +01:00
Romain Vimont
30d40f4e78 Document --power-off-on-close 
The option was not documented.

Refs #824 <https://github.com/Genymobile/scrcpy/pull/824>
 2021-11-07 19:27:53 +01:00
Romain Vimont
f489f7fcad Mention drag & drop for non-APK files in help 2021-11-07 18:51:22 +01:00
Romain Vimont
f65c3fde69 Fix typos in help 2021-11-07 18:50:24 +01:00