server

Documentation

Overview

gRPC counter service

This service offers counter methods, described in lib/grpcapi package

Usage

Run from command line:

server [OPTIONS]

Application Options:

--listen=          Addr and port which server listens (default: :50051)

Logging Options:

--log_level=       Log level [warn|info|debug] (default: debug)
--log_stdout       Log to STDOUT without color and timestamps

API Options:

--init_number=     Initial number (default: 0)
--init_step=       Increment step (default: 1)
--init_limit=      Increment loop limit (default: 100)
--store_strict     Do not ignore store errors

Storage Options:

--db_file=         Bolt database file (default: base.db)
--db_bucket=       Bucket name (default: counter)
--db_number_key=   Key name for current number (default: number)
--db_settings_key= Key name for settings data (default: config)

Help Options:

-h, --help         Show help message

Examples

Run with defaults:

$ ./server
DEBU[0000] Create logger                                 config="{debug false}"
INFO[0000] Counter server v0.1
DEBU[0000] Create listener                               addr=":50051"
DEBU[0000] Create store                                  config="{base.db counter number config}"
DEBU[0000] Create API                                    config="{0 1 100 false}"
DEBU[0000] Load Settings from db                         settings="{3 20}"
DEBU[0000] Load Number from db                           number=3
INFO[0000] API created

^C
INFO[0001] Got signal: interrupt
WARN[0001] Final state                                   number=3 settings="{3 20}"

Run without debug logs:

$ ./server --log_level info
INFO[0000] Counter server v0.1
INFO[0000] API created

^C
INFO[0003] Got signal: interrupt
WARN[0003] Final state                                   number=3 settings="{3 20}"