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40 lines
1006 B
Go
40 lines
1006 B
Go
// rpc_client.go
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// if the server is not started:
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// can't get the server to start, so client stops immediately with error:
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// 2011/08/01 16:08:05 Error dialing:dial tcp :1234:
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// The requested address is not valid in its context.
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// with serverAddress = localhost:
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// 2011/08/01 16:09:23 Error dialing:dial tcp 127.0.0.1:1234:
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// No connection could be made because the target machine actively refused it.
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package main
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import (
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"fmt"
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"log"
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"net/rpc"
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"./rpc_objects"
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)
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const serverAddress = "localhost"
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func main() {
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client, err := rpc.DialHTTP("tcp", serverAddress + ":1234")
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if err != nil {
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log.Fatal("Error dialing:", err)
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}
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// Synchronous call
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args := &rpc_objects.Args{7, 8}
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var reply int
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err = client.Call("Args.Multiply", args, &reply)
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if err != nil {
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log.Fatal("Args error:", err)
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}
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fmt.Printf("Args: %d * %d = %d", args.N, args.M, reply)
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}
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/* Output:
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Starting Process E:/Go/GoBoek/code_examples/chapter_14/rpc_client.exe ...
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Args: 7 * 8 = 56
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End Process exit status 0
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*/
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