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wanyanglan
14c9021696
Signed-off-by: wanyanglan <wanyanglan1@huawei.com> Change-Id: I2564094cef9c6c41263e37faf9ffbbec14223dc7
22 lines
1.2 KiB
Markdown
22 lines
1.2 KiB
Markdown
# Communication between debugger and VSCode
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Server is an application that receives commands through the socket and executes them in debugger.
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Command `ark --debugger --debugger-port=<port_number> --debugger-library-path=<path_to_debugger_library>` launches debug server.
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`--debugger-library-path` is an optional parameter.
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VSCode provides us client interface and sending commands to the debugger with socket.
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### Description of debug starting process
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Server side
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1. Server creates a TCP socket for communication with client.
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2. Firstly server accepts a test client.
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3. Secondly server accepts a real client and debug session begins.
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Client side
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1. Client runs a server other than waiting for a TCP socket.
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2. It's critical for VSCode to have a debug server initialized at allocated time so we establish a test connection firstly to check it.
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3. We create a test client every 100 milliseconds to check is socket ready for a debug session.
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4. When the connection is established (if it is at the allocated time) test client disconnects and real client connects to server.
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5. If connection was not established at the allocated time the `Can not launch debug server` error will be thrown.
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