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mex_utils_test.go
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// Copyright (c) 2015 Uber Technologies, Inc.
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package tchannel
import (
"fmt"
"strings"
)
// CheckEmptyExchanges checks whether all exchanges for the given connection are empty.
// If there are exchanges, a string with information about leftover exchanges is returned.
func CheckEmptyExchanges(c *Connection) string {
c.inbound.mut.RLock()
c.outbound.mut.RLock()
defer c.inbound.mut.RUnlock()
defer c.outbound.mut.RUnlock()
var errors []string
for _, v := range c.inbound.exchanges {
errors = append(errors, fmt.Sprintf("inbound exchange: %v:%v", v.msgID, v.msgType))
}
for _, v := range c.outbound.exchanges {
errors = append(errors, fmt.Sprintf("outbound exchange: %v:%v", v.msgID, v.msgType))
}
if len(errors) == 0 {
return ""
}
return fmt.Sprintf("Connection %d has leftover exchanges:\n\t%v", c.connID, strings.Join(errors, "\n\t"))
}
// CheckEmptyExchangesConns checks that all exchanges for the given connections are empty.
func CheckEmptyExchangesConns(connections []*Connection) string {
var errors []string
for _, c := range connections {
if v := CheckEmptyExchanges(c); v != "" {
errors = append(errors, v)
}
}
return strings.Join(errors, "\n")
}