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疯狂创客圈
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netty_redis_zookeeper高并发实战源码
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NioDemos中NioSendClient发送时没有对write后的buffer做判断,网络拥塞时可能会导致丢包
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#I3IGKE
阿泽今天秃头了么
Opened this issue
2021-04-12 20:10
源码位置: NioDemos/src/main/java/com/crazymakercircle/iodemo/socketDemos/NioSendClient.java ``` while ((length = fileChannel.read(buffer)) > 0) { buffer.flip(); socketChannel.write(buffer); buffer.clear(); progress += length; Logger.debug("| " + (100 * progress / file.length()) + "% |"); } ``` Java API文档中有描述: write的返回值可能为0,此时此段数据包没能写入到channel中无法进行发送,会导致文件发送的不完整,可修改为 ``` while ((length = fileChannel.read(buffer)) > 0) { buffer.flip(); socketChannel.write(buffer); while(buffer.position()<buffer.limit()){ Logger.debug("network congestion ,not send temporarily ,sleep for one second"); try { Thread.sleep(1000); } catch (InterruptedException e) { log.error("InterruptedException", e); } socketChannel.write(buffer); } buffer.clear(); progress += length; Logger.debug("| " + (100 * progress / file.length()) + "% |"); } ```
源码位置: NioDemos/src/main/java/com/crazymakercircle/iodemo/socketDemos/NioSendClient.java ``` while ((length = fileChannel.read(buffer)) > 0) { buffer.flip(); socketChannel.write(buffer); buffer.clear(); progress += length; Logger.debug("| " + (100 * progress / file.length()) + "% |"); } ``` Java API文档中有描述: write的返回值可能为0,此时此段数据包没能写入到channel中无法进行发送,会导致文件发送的不完整,可修改为 ``` while ((length = fileChannel.read(buffer)) > 0) { buffer.flip(); socketChannel.write(buffer); while(buffer.position()<buffer.limit()){ Logger.debug("network congestion ,not send temporarily ,sleep for one second"); try { Thread.sleep(1000); } catch (InterruptedException e) { log.error("InterruptedException", e); } socketChannel.write(buffer); } buffer.clear(); progress += length; Logger.debug("| " + (100 * progress / file.length()) + "% |"); } ```
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