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https://issues.apache.org/jira/browse/TS-2520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14746396#comment-14746396
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Bryan Call commented on TS-2520:
--------------------------------
Simple client to test it:
{code}
[bcall@homer test_code]$ cat test_tfo.cc
#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <string.h>
#include <netdb.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
int main() {
int sd = socket(AF_INET, SOCK_STREAM, 6);
const char* data = "GET / HTTP/1.1\r\nHost: foo.com\r\n\r\n";
int data_len = strlen(data);
// setup the hints
struct addrinfo hints;
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
// look up the address
struct addrinfo *addr;
getaddrinfo("localhost", "8080", &hints, &addr);
ssize_t status = sendto(sd, (const void *) data, data_len, MSG_FASTOPEN,
(const struct sockaddr *) addr->ai_addr,
sizeof(struct sockaddr_in));
if (status < 0) {
fprintf(stderr, "sendto: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
char buffer[4096];
read(sd, buffer, sizeof(buffer));
fprintf(stdout, "%s", buffer);
}
{code}
> Add TCP fastopen support for incoming TCP connections
> -----------------------------------------------------
>
> Key: TS-2520
> URL: https://issues.apache.org/jira/browse/TS-2520
> Project: Traffic Server
> Issue Type: New Feature
> Components: Network
> Reporter: Alex Sandro Garzão
> Priority: Trivial
> Fix For: 6.1.0
>
>
> TFO (TCP Fast Open) can be enabled on all listen sockets in the kernel.
> Nevertheless, I would like that only ATS try using TFO.
> One possibility is a configuration variable that informs ATS to set
> TCP_FASTOPEN.
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