zzh@ZZHPC:~$ evans --help
evans 0.10.11
Usage: evans [global options ...] <command>
Options:
--silent, -s hide redundant output (default "false")
--path strings comma-separated proto file paths (default "[]")
--proto strings comma-separated proto file names (default "[]")
--host string gRPC server host
--port, -p string gRPC server port (default "50051")
--header slice of strings default headers that set to each requests (example: foo=bar) (default "[]")
--web use gRPC-Web protocol (default "false")
--reflection, -r use gRPC reflection (default "false")
--tls, -t use a secure TLS connection (default "false")
--cacert string the CA certificate file for verifying the server
--cert string the certificate file for mutual TLS auth. it must be provided with --certkey.
--certkey string the private key file for mutual TLS auth. it must be provided with --cert.
--servername string override the server name used to verify the hostname (ignored if --tls is disabled)
--edit, -e edit the project config file by using $EDITOR (default "false")
--edit-global edit the global config file by using $EDITOR (default "false")
--verbose verbose output (default "false")
--version, -v display version and exit (default "false")
--help, -h display help text and exit (default "false")
Available Commands:
cli CLI mode
repl REPL mode
A read–eval–print loop (REPL), also termed an interactive toplevel or language shell.
zzh@ZZHPC:~$ evans cli
evans 0.10.11
Usage: evans [global options ...] cli
Options:
--help, -h display help text and exit (default "false")
Available Commands:
call, c call a method
desc, describe describe the descriptor of a symbol
list, ls, show list services or methods
evans: invalid config condition: 1 error occurred:
* one or more proto files, or gRPC reflection required
zzh@ZZHPC:~$ evans cli list
evans 0.10.11
Usage: evans [global options ...] cli list [options ...] [fully-qualified service/method name]
list provides listing feature against to gRPC services or methods belong to a service.
If a fully-qualified service name (in the form of <package name>.<service name>),
list lists method names belong to the service. If not, list lists all services.
Examples:
$ evans -r cli list # list all services
$ evans -r cli list -o json # list all services with JSON format
$ evans -r cli list api.Service # list all methods belong to service "api.Service"
Options:
--output, -o string output format. one of "json" or "name". (default "name")
--help, -h display help text and exit (default "false")
evans: invalid config condition: 1 error occurred:
* one or more proto files, or gRPC reflection required
zzh@ZZHPC:~$ evans --port 9090 -r cli list
grpc.reflection.v1.ServerReflection
grpc.reflection.v1alpha.ServerReflection
pb.ZimpleBank
The cli mode can list the services.
The repl mode works well too:
zzh@ZZHPC:~$ which evans /home/zzh/Downloads/sfw/evans zzh@ZZHPC:~$ evans --port 9090 -r repl ______ | ____| | |__ __ __ __ _ _ __ ___ | __| \ \ / / / _. | | '_ \ / __| | |____ \ V / | (_| | | | | | \__ \ |______| \_/ \__,_| |_| |_| |___/ more expressive universal gRPC client 127.0.0.1:9090> show package +-------------------------+ | PACKAGE | +-------------------------+ | grpc.reflection.v1 | | grpc.reflection.v1alpha | | pb | +-------------------------+ 127.0.0.1:9090> package pb pb@127.0.0.1:9090> show service +------------+------------+-------------------+--------------------+ | SERVICE | RPC | REQUEST TYPE | RESPONSE TYPE | +------------+------------+-------------------+--------------------+ | ZimpleBank | CreateUser | CreateUserRequest | CreateUserResponse | | ZimpleBank | LoginUser | LoginUserRequest | LoginUserResponse | +------------+------------+-------------------+--------------------+ pb@127.0.0.1:9090> show message +--------------------+ | MESSAGE | +--------------------+ | CreateUserRequest | | CreateUserResponse | | LoginUserRequest | | LoginUserResponse | +--------------------+ pb@127.0.0.1:9090> service ZimpleBank pb.ZimpleBank@127.0.0.1:9090> call CreateUser username (TYPE_STRING) => alice full_name (TYPE_STRING) => Alice email (TYPE_STRING) => alice@example.com password (TYPE_STRING) => alice123
