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tcpkeepalive: support TCP_KEEPIDLE/TCP_KEEPINTVL on win32 

Patch by: Robert Wruck
Bug: http://curl.haxx.se/bug/view.cgi?id=1209
This commit is contained in:
Daniel Stenberg 2013-03-31 23:17:16 +02:00
parent e839e7c61b
commit c4d7c1514f
1 changed files with 29 additions and 2 deletions
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31
lib/connect.c
View File

@ -87,13 +87,23 @@
static bool verifyconnect(curl_socket_t sockfd, int *error);
#ifdef __DragonFly__
/* DragonFlyBSD uses millisecond as KEEPIDLE and KEEPINTVL units */
#if defined(__DragonFly__) || defined(HAVE_WINSOCK_H)
/* DragonFlyBSD and Windows use millisecond units */
#define KEEPALIVE_FACTOR(x) (x *= 1000)
#else
#define KEEPALIVE_FACTOR(x)
#endif
#if defined(HAVE_WINSOCK_H) && !defined(SIO_KEEPALIVE_VALS)
#define SIO_KEEPALIVE_VALS _WSAIOW(IOC_VENDOR,4)
struct tcp_keepalive {
u_long onoff;
u_long keepalivetime;
u_long keepaliveinterval;
};
#endif
static void
tcpkeepalive(struct SessionHandle *data,
curl_socket_t sockfd)
@ -106,6 +116,22 @@ tcpkeepalive(struct SessionHandle *data,
infof(data, "Failed to set SO_KEEPALIVE on fd %d\n", sockfd);
}
else {
#if defined(SIO_KEEPALIVE_VALS)
struct tcp_keepalive vals;
DWORD dummy;
vals.onoff = 1;
optval = curlx_sltosi(data->set.tcp_keepidle);
KEEPALIVE_FACTOR(optval);
vals.keepalivetime = optval;
optval = curlx_sltosi(data->set.tcp_keepintvl);
KEEPALIVE_FACTOR(optval);
vals.keepaliveinterval = optval;
if (WSAIoctl(sockfd, SIO_KEEPALIVE_VALS, (LPVOID) &vals, sizeof(vals),
NULL, 0, &dummy, NULL, NULL) != 0) {
infof(data, "Failed to set SIO_KEEPALIVE_VALS on fd %d: %d\n",
(int)sockfd, WSAGetLastError());
}
#else
#ifdef TCP_KEEPIDLE
optval = curlx_sltosi(data->set.tcp_keepidle);
KEEPALIVE_FACTOR(optval);
@ -121,6 +147,7 @@ tcpkeepalive(struct SessionHandle *data,
(void *)&optval, sizeof(optval)) < 0) {
infof(data, "Failed to set TCP_KEEPINTVL on fd %d\n", sockfd);
}
#endif
#endif
}
}