内容纲要

Syntax:

--> data sent to Server
<-- data sent to Client

rpc call with positional parameters:

--> {"jsonrpc": "2.0", "method": "subtract", "params": [42, 23], "id": 1}
<-- {"jsonrpc": "2.0", "result": 19, "id": 1}

--> {"jsonrpc": "2.0", "method": "subtract", "params": [23, 42], "id": 2}
<-- {"jsonrpc": "2.0", "result": -19, "id": 2}

rpc call with named parameters:

--> {"jsonrpc": "2.0", "method": "subtract", "params": {"subtrahend": 23, "minuend": 42}, "id": 3}
<-- {"jsonrpc": "2.0", "result": 19, "id": 3}

--> {"jsonrpc": "2.0", "method": "subtract", "params": {"minuend": 42, "subtrahend": 23}, "id": 4}
<-- {"jsonrpc": "2.0", "result": 19, "id": 4}

a Notification:

--> {"jsonrpc": "2.0", "method": "update", "params": [1,2,3,4,5]}
--> {"jsonrpc": "2.0", "method": "foobar"}

rpc call of non-existent method:

--> {"jsonrpc": "2.0", "method": "foobar", "id": "1"}
<-- {"jsonrpc": "2.0", "error": {"code": -32601, "message": "Method not found"}, "id": "1"}

rpc call with invalid JSON:

--> {"jsonrpc": "2.0", "method": "foobar, "params": "bar", "baz]
<-- {"jsonrpc": "2.0", "error": {"code": -32700, "message": "Parse error"}, "id": null}

rpc call with invalid Request object:

--> {"jsonrpc": "2.0", "method": 1, "params": "bar"}
<-- {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}

rpc call Batch, invalid JSON:

--> [
  {"jsonrpc": "2.0", "method": "sum", "params": [1,2,4], "id": "1"},
  {"jsonrpc": "2.0", "method"
]
<-- {"jsonrpc": "2.0", "error": {"code": -32700, "message": "Parse error"}, "id": null}

rpc call with an empty Array:

--> []
<-- {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}

rpc call with an invalid Batch (but not empty):

--> [1]
<-- [
  {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}
]

rpc call with invalid Batch:

--> [1,2,3]
<-- [
  {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null},
  {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null},
  {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null}
]

rpc call Batch:

--> [
        {"jsonrpc": "2.0", "method": "sum", "params": [1,2,4], "id": "1"},
        {"jsonrpc": "2.0", "method": "notify_hello", "params": [7]},
        {"jsonrpc": "2.0", "method": "subtract", "params": [42,23], "id": "2"},
        {"foo": "boo"},
        {"jsonrpc": "2.0", "method": "foo.get", "params": {"name": "myself"}, "id": "5"},
        {"jsonrpc": "2.0", "method": "get_data", "id": "9"} 
    ]
<-- [
        {"jsonrpc": "2.0", "result": 7, "id": "1"},
        {"jsonrpc": "2.0", "result": 19, "id": "2"},
        {"jsonrpc": "2.0", "error": {"code": -32600, "message": "Invalid Request"}, "id": null},
        {"jsonrpc": "2.0", "error": {"code": -32601, "message": "Method not found"}, "id": "5"},
        {"jsonrpc": "2.0", "result": ["hello", 5], "id": "9"}
    ]

rpc call Batch (all notifications):

--> [
        {"jsonrpc": "2.0", "method": "notify_sum", "params": [1,2,4]},
        {"jsonrpc": "2.0", "method": "notify_hello", "params": [7]}
    ]
<-- //Nothing is returned for all notification batches

参考

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