lightning

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Commit Graph

Author	SHA1	Message	Date
Rusty Russell	e0d14bddb9	jsonrpc: allow multiple commands at once. We now keep multiple commands for a json_connection, and an array of json_streams. When a command wants to write something, we allocate a new json_stream at the end of the array. We always output from the first available json_stream; once that command has finished, we free that and move to the next. Once all are done, we wake the reader. This means we won't read a new command if output is still pending, but as most commands don't start writing until they're ready to write everything, we still get command parallelism. In particular, you can now 'waitinvoice' and 'delinvoice' and it will work even though the 'waitinvoice' blocks. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>	6 years ago
Rusty Russell	e17f69ce2d	json_stream: disentangle JSON handling from command. We promote 'struct json_stream' to contain the membuf; we only attach the json_stream to the command when we actually call json_stream_success / json_stream_fail. This means we are closer to 'struct json_stream' being an independent layer; the tests are already modified to use it directly to create JSON. This is also the first step toward re-enabling non-serial command execution. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>	6 years ago

Author

SHA1

Message

Date

Rusty Russell

e0d14bddb9

jsonrpc: allow multiple commands at once.

We now keep multiple commands for a json_connection, and an array of
json_streams.

When a command wants to write something, we allocate a new json_stream
at the end of the array.

We always output from the first available json_stream; once that
command has finished, we free that and move to the next.  Once all are
done, we wake the reader.

This means we won't read a new command if output is still pending, but
as most commands don't start writing until they're ready to write
everything, we still get command parallelism.

In particular, you can now 'waitinvoice' and 'delinvoice' and it will
work even though the 'waitinvoice' blocks.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

6 years ago

Rusty Russell

e17f69ce2d

json_stream: disentangle JSON handling from command.

We promote 'struct json_stream' to contain the membuf; we only attach
the json_stream to the command when we actually call
json_stream_success / json_stream_fail.

This means we are closer to 'struct json_stream' being an independent
layer; the tests are already modified to use it directly to create
JSON.

This is also the first step toward re-enabling non-serial command
execution.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

6 years ago

2 Commits (dc4fb650dc0d3a8dce0ace5c66306510f6515a1a)