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Add various environment variables

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This patch allows the following parameters inside libiscsi to be adjusted without code modification:
LIBISCSI_DEBUG
LIBISCSI_TCP_USER_TIMEOUT
LIBISCSI_TCP_KEEPIDLE
LIBISCSI_TCP_KEEPCNT
LIBISCSI_TCP_KEEPINTVL

You can now enable debugging of libiscsi inside e.g. qemu-kvm with
LIBISCSI_DEBUG=3 qemu-kvm -hda iscsi://...
This commit is contained in:
Peter Lieven
2012-10-20 18:11:35 +02:00
parent 236aaa011f
commit d1110b7515
1 changed files with 20 additions and 0 deletions
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20
lib/init.c
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@@ -74,6 +74,26 @@ iscsi_create_context(const char *initiator_name)
iscsi->tcp_keepcnt=3;
iscsi->tcp_keepintvl=30;
iscsi->tcp_keepidle=30;
if (getenv("LIBISCSI_TCP_USER_TIMEOUT") != NULL) {
iscsi_set_tcp_user_timeout(iscsi,atoi(getenv("LIBISCSI_TCP_USER_TIMEOUT")));
}
if (getenv("LIBISCSI_TCP_KEEPCNT") != NULL) {
iscsi_set_tcp_keepcnt(iscsi,atoi(getenv("LIBISCSI_TCP_KEEPCNT")));
}
if (getenv("LIBISCSI_TCP_KEEPINTVL") != NULL) {
iscsi_set_tcp_keepintvl(iscsi,atoi(getenv("LIBISCSI_TCP_KEEPINTVL")));
}
if (getenv("LIBISCSI_TCP_KEEPIDLE") != NULL) {
iscsi_set_tcp_keepidle(iscsi,atoi(getenv("LIBISCSI_TCP_KEEPIDLE")));
}
if (getenv("LIBISCSI_DEBUG") != NULL) {
iscsi_set_debug(iscsi,atoi(getenv("LIBISCSI_DEBUG")));
}
return iscsi;
}