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smb: Added state change functions to assist with debugging

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For debugging purposes, and as per other protocols within curl, added
state change functions rather than changing the states directly.
This commit is contained in:
Steve Holme 2014-12-13 12:12:45 +00:00
parent 783b5c3b11
commit 2ecce667a6
1 changed files with 52 additions and 5 deletions
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57
lib/smb.c
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@ -177,6 +177,53 @@ struct smb_request {
CURLcode result;
};
static void conn_state(struct connectdata *conn, enum smb_conn_state newstate)
{
struct smb_conn *smb = &conn->proto.smbc;
#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
/* For debug purposes */
static const char * const names[] = {
"SMB_NOT_CONNECTED",
"SMB_CONNECTING",
"SMB_NEGOTIATE",
"SMB_SETUP",
"SMB_CONNECTED",
/* LAST */
};
if(smb->state != newstate)
infof(conn->data, "SMB conn %p state change from %s to %s\n",
(void *)smb, names[smb->state], names[newstate]);
#endif
smb->state = newstate;
}
static void request_state(struct connectdata *conn, enum smb_req_state newstate)
{
struct smb_request *req = conn->data->req.protop;
#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
/* For debug purposes */
static const char * const names[] = {
"SMB_REQUESTING",
"SMB_TREE_CONNECT",
"SMB_OPEN",
"SMB_DOWNLOAD",
"SMB_UPLOAD",
"SMB_CLOSE",
"SMB_TREE_DISCONNECT",
"SMB_DONE",
/* LAST */
};
if(req->state != newstate)
infof(conn->data, "SMB request %p state change from %s to %s\n",
(void *)req, names[req->state], names[newstate]);
#endif
req->state = newstate;
}
static CURLcode smb_setup(struct connectdata *conn)
{
struct smb_request *req;
@ -592,7 +639,7 @@ static CURLcode smb_connection_state(struct connectdata *conn, bool *done)
return result;
}
smbc->state = SMB_NEGOTIATE;
conn_state(conn, SMB_NEGOTIATE);
}
/* Send the previous message and check for a response */
@ -621,7 +668,7 @@ static CURLcode smb_connection_state(struct connectdata *conn, bool *done)
connclose(conn, "SMB: failed to send setup message");
return result;
}
smbc->state = SMB_SETUP;
conn_state(conn, SMB_SETUP);
break;
case SMB_SETUP:
@ -630,7 +677,7 @@ static CURLcode smb_connection_state(struct connectdata *conn, bool *done)
return CURLE_LOGIN_DENIED;
}
smbc->uid = smb_swap16(h->uid);
smbc->state = SMB_CONNECTED;
conn_state(conn, SMB_CONNECTED);
*done = true;
break;
@ -662,7 +709,7 @@ static CURLcode smb_request_state(struct connectdata *conn, bool *done)
return result;
}
req->state = SMB_TREE_CONNECT;
request_state(conn, SMB_TREE_CONNECT);
}
/* Send the previous message and check for a response */
@ -801,7 +848,7 @@ static CURLcode smb_request_state(struct connectdata *conn, bool *done)
return result;
}
req->state = next_state;
request_state(conn, next_state);
return CURLE_OK;
}