我为偷窃申请建立了一个投入渠道如下:
ftpStream = CFReadStreamCreateWithFTPURL(NULL, (CFURLRef) url);
networkStream = (NSInputStream *) ftpStream;
[self.networkStream read:<#(uint8_t *)#> maxLength:<#(NSUInteger)#>]
当我读到数据时,如果服务器无法连接,方案将按上面第3行 st。 是否有办法在你能够界定的后一种方法可以阻止联系? 或是否有其他办法处理这一问题?
Don t do a synchronous read. 相反,在下游物体上设一名代表,在跑道上排出,并打电话<代码>-开放<>。 如果你重新看一看一看一看,现在就把返回控制回到框架,并将为你们管理。 如果你重读背景线或撰写指挥线工具,则掌握read。 如果有数据可以读到,将叫你代表。
为了确定连接时间,你可以安排一个时间。 或者,如果你重新管理 run,你就只能限制你管理它的时间。 如果在建立联系之前时间已经届满,那么就在上游结束。
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