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diff --git a/doc/README.md b/doc/README.md new file mode 100644 index 00000000..709df603 --- /dev/null +++ b/doc/README.md @@ -0,0 +1,21 @@ +This is the drawio diagrams showing basic workflows inside RoadRunner 2.0 + +Simple HTTP workflow description: + + +1. Allocate sync workers. When plugin starts (which use workers pool), then it allocates required number of processes + via `cmd.exec` command. + +2. When user send HTTP request to the RR2, HTTP plugin receive it and transfer to the workers pool `Exec/ExecWithContex` +method. And workers pool ask Worker watcher to get free worker. + +3. Workers watcher uses stack data structure under the hood and making POP operation to get first free worker. If there are +no workers in the `stack`, watcher waits for the specified via config (`allocate_timeout`) time. + +4. Stack returns free worker to the watcher. +5. Watcher returns that worker to the `pool`. +6. Pool invoke `Exec/ExecWithTimeout` method on the golang worker with provided request payload. +7. Golang worker send that request to the PHP worker via various set of transports (`pkg/transport` package). +8. PHP worker send back response to the golang worker (or error via stderr). +9. Golang worker return response payload to the pool. +10. Pool process this response and return answer to the user. |