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Snapshot of failure tolerance changes.

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Added a lot of logging to error, trace and message logs which should help the user to handle errors which can't be automatically resolved, like attempt to use nonexisting database.
This commit is contained in:
VilhoRaatikka
2014-06-06 23:32:04 +03:00
parent 7bca4e383f
commit 7e6cb7afc2
19 changed files with 518 additions and 169 deletions
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13
server/modules/routing/GaleraHACRoute.c
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@ -58,12 +58,14 @@ static void GHACloseSession(ROUTER *instance, void *router_session);
static void GHAFreeSession(ROUTER *instance, void *router_session);
static int GHARouteQuery(ROUTER *instance, void *router_session, GWBUF *queue);
static void GHADiagnostics(ROUTER *instance, DCB *dcb);
static void GHAClientReply(
ROUTER *instance,
void *router_session,
GWBUF *queue,
DCB *backend_dcb);
static void GHAErrorReply(
static void GHAHandleError(
ROUTER *instance,
void *router_session,
char *message,
@ -79,7 +81,7 @@ static ROUTER_OBJECT MyObject = {
GHARouteQuery,
GHADiagnostics,
GHAClientReply,
GHAErrorReply
GHAHandleError
};
static bool rses_begin_router_action(
@ -630,10 +632,9 @@ GHAClientReply(
}
/**
* Error Reply routine
* Error handling routine
*
* The routine will reply to client errors and/or closing the session
* or try to open a new backend connection.
* The routine will handle error occurred in backend.
*
* @param instance The router instance
* @param router_session The router session
@ -643,7 +644,7 @@ GHAClientReply(
*
*/
static void
GHAErrorReply(
GHAHandleError(
ROUTER *instance,
void *router_session,
char *message,