On Wed, Apr 5, 2017 at 6:43 PM, Praveen Pvs <meetpraveenpvs_at_gmail.com>
wrote:

> Hi,
>
> Will CURL resend the data/packet on its own in case of any error?
>
> Here is the problem we are facing:
>
> Our application has sent data to the server through CURL. But at TCP
> level, client has not received the ACK from the server but server received
> the data and processed it. Since client has not received the ACK and it
> resent the data again to the server. After that client received the
> response(Duplicate Transaction) from the server since it has received it
> again.
>
> At application level, its making the curl_easy_perform call and receiving
> the response that its Duplicate transaction(Our is Payment transaction). so
> the application would not know or aware that data was resent/retried to the
> server.
>
> When we reviewed the Wireshark traces we figured out that client has not
> received the ACK for the application data thats been sent that why its been
> retried.
>
> Wanted to know if this retry has been done by CURL? If so is there way to
> disable this retry at CURL by setting some option.
>

Can someone help me here! Thank you.

>
> Could you please help me. Thank you for your time.
>
> $ *curl -V*
>
> curl *7.39.0* (arm-unknown-linux-gnu) libcurl/7.39.0 OpenSSL/1.0.1i
> zlib/1.2.5
>
> Protocols: dict file ftp ftps gopher http https imap imaps pop3 pop3s rtsp
> smtp smtps telnet tftp
>
> Features: Largefile NTLM NTLM_WB SSL libz TLS-SRP
>
> Regards
> Praveen
>

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Received on 2017-04-06