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55 lines
1.5 KiB
55 lines
1.5 KiB
/** |
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* Copyright 2019 Confluent Inc. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package kafka |
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import "C" |
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import ( |
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"context" |
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"time" |
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) |
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const ( |
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cTimeoutInfinite = C.int(-1) // Blocks indefinitely until completion. |
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cTimeoutNoWait = C.int(0) // Returns immediately without blocking. |
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) |
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// cTimeoutFromContext returns the remaining time after which work done on behalf of this context |
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// should be canceled, in milliseconds. |
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// |
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// If no deadline/timeout is set, or if the timeout does not fit in an int32, it returns |
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// cTimeoutInfinite; |
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// If there is no time left in this context, it returns cTimeoutNoWait. |
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func cTimeoutFromContext(ctx context.Context) C.int { |
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if ctx == nil { |
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return cTimeoutInfinite |
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} |
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timeout, hasTimeout := timeout(ctx) |
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if !hasTimeout { |
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return cTimeoutInfinite |
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} |
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if timeout <= 0 { |
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return cTimeoutNoWait |
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} |
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timeoutMs := int64(timeout / time.Millisecond) |
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if int64(int32(timeoutMs)) < timeoutMs { |
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return cTimeoutInfinite |
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} |
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return C.int(timeoutMs) |
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}
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