diff options
Diffstat (limited to 'lib/tevent')
| -rw-r--r-- | lib/tevent/tevent.h | 11 | ||||
| -rw-r--r-- | lib/tevent/tevent_req.c | 27 |
2 files changed, 35 insertions, 3 deletions
diff --git a/lib/tevent/tevent.h b/lib/tevent/tevent.h index b3611228aa..185a8fa193 100644 --- a/lib/tevent/tevent.h +++ b/lib/tevent/tevent.h @@ -212,6 +212,15 @@ struct tevent_req { void *private_state; /** + * @brief A function to overwrite the default print function + * + * The implementation doing the work may want to imeplement a + * custom function to print the text representation of the async + * request. + */ + char *(*private_print)(struct tevent_req *req, TALLOC_CTX *mem_ctx); + + /** * @brief Internal state of the request * * Callers should only access this via functions and never directly. @@ -267,6 +276,8 @@ struct tevent_req { } internal; }; +char *tevent_req_default_print(struct tevent_req *req, TALLOC_CTX *mem_ctx); + char *tevent_req_print(TALLOC_CTX *mem_ctx, struct tevent_req *req); struct tevent_req *_tevent_req_create(TALLOC_CTX *mem_ctx, diff --git a/lib/tevent/tevent_req.c b/lib/tevent/tevent_req.c index c17587b16c..e243c7de5d 100644 --- a/lib/tevent/tevent_req.c +++ b/lib/tevent/tevent_req.c @@ -28,14 +28,17 @@ #include "tevent_util.h" /** - * @brief Print an tevent_req structure in debug messages - * @param[in] mem_ctx The memory context for the result + * @brief The default print function for creating debug messages * @param[in] req The request to be printed + * @param[in] mem_ctx The memory context for the result * @retval Text representation of req * + * The function should not be used by users of the asynx API, + * but custom print function can use it and append custom text + * to the string. */ -char *tevent_req_print(TALLOC_CTX *mem_ctx, struct tevent_req *req) +char *tevent_req_default_print(struct tevent_req *req, TALLOC_CTX *mem_ctx) { return talloc_asprintf(mem_ctx, "tevent_req[%p/%s]: state[%d] error[%lld (0x%llX)] " @@ -51,6 +54,24 @@ char *tevent_req_print(TALLOC_CTX *mem_ctx, struct tevent_req *req) } /** + * @brief Print an tevent_req structure in debug messages + * @param[in] mem_ctx The memory context for the result + * @param[in] req The request to be printed + * @retval Text representation of req + * + * This function should be used by callers of the async API + */ + +char *tevent_req_print(TALLOC_CTX *mem_ctx, struct tevent_req *req) +{ + if (!req->private_print) { + return tevent_req_default_print(req, mem_ctx); + } + + return req->private_print(req, mem_ctx); +} + +/** * @brief Create an async request * @param[in] mem_ctx The memory context for the result * @param[in] ev The event context this async request will be driven by |