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libceph: start separating connection flags from state

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A ceph_connection holds a mixture of connection state (as in "state
machine" state) and connection flags in a single "state" field.  To
make the distinction more clear, define a new "flags" field and use
it rather than the "state" field to hold Boolean flag values.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Sage Weil<sage@inktank.com>
This commit is contained in:
Alex Elder
2012-05-22 11:41:43 -05:00
committed by Alex Elder
parent 15d9882c33
commit 928443cd96
2 changed files with 37 additions and 31 deletions
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18
include/linux/ceph/messenger.h
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@@ -103,20 +103,25 @@ struct ceph_msg_pos {
#define MAX_DELAY_INTERVAL (5 * 60 * HZ)
/*
* ceph_connection state bit flags
* ceph_connection flag bits
*/
#define LOSSYTX 0 /* we can close channel or drop messages on errors */
#define CONNECTING 1
#define NEGOTIATING 2
#define KEEPALIVE_PENDING 3
#define WRITE_PENDING 4 /* we have data ready to send */
#define SOCK_CLOSED 11 /* socket state changed to closed */
#define BACKOFF 15
/*
* ceph_connection states
*/
#define CONNECTING 1
#define NEGOTIATING 2
#define STANDBY 8 /* no outgoing messages, socket closed. we keep
* the ceph_connection around to maintain shared
* state with the peer. */
#define CLOSED 10 /* we've closed the connection */
#define SOCK_CLOSED 11 /* socket state changed to closed */
#define OPENING 13 /* open connection w/ (possibly new) peer */
#define BACKOFF 15
/*
* A single connection with another host.
@@ -133,7 +138,8 @@ struct ceph_connection {
struct ceph_messenger *msgr;
struct socket *sock;
unsigned long state; /* connection state (see flags above) */
unsigned long flags;
unsigned long state;
const char *error_msg; /* error message, if any */
struct ceph_entity_addr peer_addr; /* peer address */