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Add setters for TCP keepalive values

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This patch adds 3 functions to set the 3 keepalive values TCP_KEEPIDLE, TCP_KEEPCNT
and TCP_KEEPINTVL. The values have to be set after iscsi context creation and are
then configured on the socket on each new connection.
This commit is contained in:
Peter Lieven
2012-10-19 23:40:12 +02:00
parent abd20f3587
commit ad9cd56b2d
7 changed files with 57 additions and 1 deletions
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20
lib/socket.c
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@@ -160,7 +160,7 @@ iscsi_connect_async(struct iscsi_context *iscsi, const char *portal,
set_nonblocking(iscsi->fd);
iscsi_set_tcp_keepalive(iscsi, 30, 3, 30);
iscsi_set_tcp_keepalive(iscsi, iscsi->tcp_keepidle, iscsi->tcp_keepcnt, iscsi->tcp_keepintvl);
if (iscsi->tcp_user_timeout > 0) {
set_tcp_user_timeout(iscsi);
@@ -563,6 +563,24 @@ void iscsi_set_tcp_user_timeout(struct iscsi_context *iscsi, int timeout_ms)
DPRINTF(iscsi,2,"TCP_USER_TIMEOUT will be set to %dms on next socket creation",timeout_ms);
}
void iscsi_set_tcp_keepidle(struct iscsi_context *iscsi, int value)
{
iscsi->tcp_keepidle=value;
DPRINTF(iscsi,2,"TCP_KEEPIDLE will be set to %d on next socket creation",value);
}
void iscsi_set_tcp_keepcnt(struct iscsi_context *iscsi, int value)
{
iscsi->tcp_keepcnt=value;
DPRINTF(iscsi,2,"TCP_KEEPCNT will be set to %d on next socket creation",value);
}
void iscsi_set_tcp_keepintvl(struct iscsi_context *iscsi, int value)
{
iscsi->tcp_keepintvl=value;
DPRINTF(iscsi,2,"TCP_KEEPINTVL will be set to %d on next socket creation",value);
}
int iscsi_set_tcp_keepalive(struct iscsi_context *iscsi, int idle, int count, int interval)
{
int level, value;