diff options
Diffstat (limited to 'server/providers/fail_over.h')
| -rw-r--r-- | server/providers/fail_over.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/server/providers/fail_over.h b/server/providers/fail_over.h deleted file mode 100644 index e581fbaf..00000000 --- a/server/providers/fail_over.h +++ /dev/null @@ -1,108 +0,0 @@ -#ifndef __FAIL_OVER_H__ -#define __FAIL_OVER_H__ - -#include <stdbool.h> -#include <talloc.h> - -/* Some forward declarations that don't have to do anything with fail over. */ -struct hostent; -struct resolv_ctx; -struct tevent_context; -struct tevent_req; - -enum port_status { - PORT_NEUTRAL, /* We didn't try this port yet. */ - PORT_WORKING, /* This port was reported to work. */ - PORT_NOT_WORKING /* This port was reported to not work. */ -}; - -enum server_status { - SERVER_NAME_NOT_RESOLVED, /* We didn't yet resolved the host name. */ - SERVER_RESOLVING_NAME, /* Name resolving is in progress. */ - SERVER_NAME_RESOLVED, /* We resolved the host name but didn't try to connect. */ - SERVER_WORKING, /* We successfully connected to the server. */ - SERVER_NOT_WORKING /* We tried and failed to connect to the server. */ -}; - -struct fo_ctx; -struct fo_service; -struct fo_server; - -/* - * Create a new fail over context. The 'retry_timeout' argument specifies the - * duration in seconds of how long a server or port will be considered - * non-working after being marked as such. - */ -struct fo_ctx *fo_context_init(TALLOC_CTX *mem_ctx, - time_t retry_timeout); - -/* - * Create a new service structure for 'ctx', saving it to the location pointed - * to by '_service'. The needed memory will be allocated from 'ctx'. - * Service name will be set to 'name'. - */ -int fo_new_service(struct fo_ctx *ctx, - const char *name, - struct fo_service **_service); - -/* - * Look up service named 'name' from the 'ctx' service list. Target of - * '_service' will be set to the service if it was found. - */ -int fo_get_service(struct fo_ctx *ctx, - const char *name, - struct fo_service **_service); - -/* - * Adds a server 'name' to the 'service'. Port 'port' will be used for - * connection. If 'name' is NULL, no server resolution will be done. - */ -int fo_add_server(struct fo_service *service, - const char *name, - int port, - void *user_data); - -/* - * Request the first server from the service's list of servers. It is only - * considered if it is not marked as not working (or the retry interval already - * passed). If the server address wasn't resolved yet, it will be done. - */ -struct tevent_req *fo_resolve_service_send(TALLOC_CTX *mem_ctx, - struct tevent_context *ev, - struct resolv_ctx *resolv, - struct fo_service *service); - -int fo_resolve_service_recv(struct tevent_req *req, - struct fo_server **server); - -/* - * Set feedback about 'server'. Caller should use this to indicate a problem - * with the server itself, not only with the service on that server. This - * should be used, for example, when the IP address of the server can't be - * reached. This setting can affect other services as well, since they can - * share the same server. - */ -void fo_set_server_status(struct fo_server *server, - enum server_status status); - -/* - * Set feedback about the port status. This function should be used when - * the server itself is working but the service is not. When status is set - * to PORT_WORKING, 'server' is also marked as an "active server" for its - * service. When the next fo_resolve_service_send() function is called, this - * server will be preferred. This will hold as long as it is not marked as - * not-working. - */ -void fo_set_port_status(struct fo_server *server, - enum port_status status); - - -void *fo_get_server_user_data(struct fo_server *server); - -int fo_get_server_port(struct fo_server *server); - -const char *fo_get_server_name(struct fo_server *server); - -struct hostent *fo_get_server_hostent(struct fo_server *server); - -#endif /* !__FAIL_OVER_H__ */ |