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-rw-r--r--src/H5Clog_json.c1365
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diff --git a/src/H5Clog_json.c b/src/H5Clog_json.c
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+++ b/src/H5Clog_json.c
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * Copyright by the Board of Trustees of the University of Illinois. *
+ * All rights reserved. *
+ * *
+ * This file is part of HDF5. The full HDF5 copyright notice, including *
+ * terms governing use, modification, and redistribution, is contained in *
+ * the COPYING file, which can be found at the root of the source code *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
+ * If you do not have access to either file, you may request a copy from *
+ * help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5Clog_json.c
+ *
+ * Purpose: Cache log implementation that emits JSON-formatted log
+ * entries for consumption by new-fangled data analysis tools.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+/****************/
+/* Module Setup */
+/****************/
+#include "H5Cmodule.h" /* This source code file is part of the H5C module */
+
+/***********/
+/* Headers */
+/***********/
+#include "H5private.h" /* Generic Functions */
+#include "H5Cpkg.h" /* Cache */
+#include "H5Clog.h" /* Cache logging */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5MMprivate.h" /* Memory management */
+
+
+/****************/
+/* Local Macros */
+/****************/
+
+/* Max log message size */
+#define H5C_MAX_JSON_LOG_MSG_SIZE 128
+
+
+/******************/
+/* Local Typedefs */
+/******************/
+
+
+/********************/
+/* Package Typedefs */
+/********************/
+
+typedef struct H5C_log_json_udata_t {
+ FILE *outfile;
+ char *message;
+} H5C_log_json_udata_t;
+
+
+/********************/
+/* Local Prototypes */
+/********************/
+
+/* Internal message handling calls */
+static herr_t H5C__json_write_log_message(H5C_log_json_udata_t *json_udata);
+
+/* Log message callbacks */
+static herr_t H5C__json_tear_down_logging(H5C_log_info_t *log_info);
+static herr_t H5C__json_write_start_log_msg(void *udata);
+static herr_t H5C__json_write_stop_log_msg(void *udata);
+static herr_t H5C__json_write_create_cache_log_msg(void *udata, herr_t fxn_ret_value);
+static herr_t H5C__json_write_destroy_cache_log_msg(void *udata);
+static herr_t H5C__json_write_evict_cache_log_msg(void *udata, herr_t fxn_ret_value);
+static herr_t H5C__json_write_expunge_entry_log_msg(void *udata, haddr_t address, int type_id, herr_t fxn_ret_value);
+static herr_t H5C__json_write_flush_cache_log_msg(void *udata, herr_t fxn_ret_value);
+static herr_t H5C__json_write_insert_entry_log_msg(void *udata, haddr_t address, int type_id, unsigned flags, size_t size, herr_t fxn_ret_value);
+static herr_t H5C__json_write_mark_entry_dirty_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value);
+static herr_t H5C__json_write_mark_entry_clean_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value);
+static herr_t H5C__json_write_mark_unserialized_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value);
+static herr_t H5C__json_write_mark_serialized_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value);
+static herr_t H5C__json_write_move_entry_log_msg(void *udata, haddr_t old_addr, haddr_t new_addr, int type_id, herr_t fxn_ret_value);
+static herr_t H5C__json_write_pin_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value);
+static herr_t H5C__json_write_create_fd_log_msg(void *udata, const H5C_cache_entry_t *parent, const H5C_cache_entry_t *child, herr_t fxn_ret_value);
+static herr_t H5C__json_write_protect_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, int type_id, unsigned flags, herr_t fxn_ret_value);
+static herr_t H5C__json_write_resize_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, size_t new_size, herr_t fxn_ret_value);
+static herr_t H5C__json_write_unpin_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value);
+static herr_t H5C__json_write_destroy_fd_log_msg(void *udata, const H5C_cache_entry_t *parent, const H5C_cache_entry_t *child, herr_t fxn_ret_value);
+static herr_t H5C__json_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, int type_id, unsigned flags, herr_t fxn_ret_value);
+static herr_t H5C__json_write_set_cache_config_log_msg(void *udata, const H5AC_cache_config_t *config, herr_t fxn_ret_value);
+static herr_t H5C__json_write_remove_entry_log_msg(void *udata, const H5C_cache_entry_t *entry, herr_t fxn_ret_value);
+
+
+/*********************/
+/* Package Variables */
+/*********************/
+
+
+/*****************************/
+/* Library Private Variables */
+/*****************************/
+
+
+/*******************/
+/* Local Variables */
+/*******************/
+
+/* Note that there's no cache set up call since that's the
+ * place where this struct is wired into the cache.
+ */
+static H5C_log_class_t H5C_json_log_class_g = {
+ "json",
+ H5C__json_tear_down_logging,
+ NULL, /* start logging */
+ NULL, /* stop logging */
+ H5C__json_write_start_log_msg,
+ H5C__json_write_stop_log_msg,
+ H5C__json_write_create_cache_log_msg,
+ H5C__json_write_destroy_cache_log_msg,
+ H5C__json_write_evict_cache_log_msg,
+ H5C__json_write_expunge_entry_log_msg,
+ H5C__json_write_flush_cache_log_msg,
+ H5C__json_write_insert_entry_log_msg,
+ H5C__json_write_mark_entry_dirty_log_msg,
+ H5C__json_write_mark_entry_clean_log_msg,
+ H5C__json_write_mark_unserialized_entry_log_msg,
+ H5C__json_write_mark_serialized_entry_log_msg,
+ H5C__json_write_move_entry_log_msg,
+ H5C__json_write_pin_entry_log_msg,
+ H5C__json_write_create_fd_log_msg,
+ H5C__json_write_protect_entry_log_msg,
+ H5C__json_write_resize_entry_log_msg,
+ H5C__json_write_unpin_entry_log_msg,
+ H5C__json_write_destroy_fd_log_msg,
+ H5C__json_write_unprotect_entry_log_msg,
+ H5C__json_write_set_cache_config_log_msg,
+ H5C__json_write_remove_entry_log_msg
+};
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_log_message
+ *
+ * Purpose: Write a message to the log file and flush the file.
+ * The message string is neither modified nor freed.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_log_message(H5C_log_json_udata_t *json_udata)
+{
+ size_t n_chars;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->outfile);
+ HDassert(json_udata->message);
+
+ /* Write the log message and flush */
+ n_chars = HDstrlen(json_udata->message);
+ if((int)n_chars != HDfprintf(json_udata->outfile, json_udata->message))
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "error writing log message")
+ HDmemset((void *)(json_udata->message), 0, (size_t)(n_chars * sizeof(char)));
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_log_message() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C_log_json_set_up
+ *
+ * Purpose: Setup for metadata cache logging.
+ *
+ * Metadata logging is enabled and disabled at two levels. This
+ * function and the associated tear_down function open and close
+ * the log file. the start_ and stop_logging functions are then
+ * used to switch logging on/off. Optionally, logging can begin
+ * as soon as the log file is opened (set via the start_immediately
+ * parameter to this function).
+ *
+ * The log functionality is split between the H5C and H5AC
+ * packages. Log state and direct log manipulation resides in
+ * H5C. Log messages are generated in H5AC and sent to
+ * the H5C__json_write_log_message function.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5C_log_json_set_up(H5C_log_info_t *log_info, const char log_location[], int mpi_rank)
+{
+ H5C_log_json_udata_t *json_udata = NULL;
+ char *file_name = NULL;
+ size_t n_chars;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(FAIL)
+
+ /* Sanity checks */
+ HDassert(log_info);
+ HDassert(log_location);
+
+ /* Set up the class struct */
+ log_info->cls = &H5C_json_log_class_g;
+
+ /* Allocate memory for the JSON-specific data */
+ if(NULL == (log_info->udata = H5MM_calloc(sizeof(H5C_log_json_udata_t))))
+ HGOTO_ERROR(H5E_CACHE, H5E_CANTALLOC, FAIL, "memory allocation failed")
+ json_udata = (H5C_log_json_udata_t *)(log_info->udata);
+
+ /* Allocate memory for the message buffer */
+ if(NULL == (json_udata->message = (char *)H5MM_calloc(H5C_MAX_JSON_LOG_MSG_SIZE * sizeof(char))))
+ HGOTO_ERROR(H5E_CACHE, H5E_CANTALLOC, FAIL, "memory allocation failed")
+
+ /* Possibly fix up the log file name.
+ * The extra 39 characters are for adding the rank to the file name
+ * under parallel HDF5. 39 characters allows > 2^127 processes which
+ * should be enough for anybody.
+ *
+ * allocation size = "RANK_" + <rank # length> + dot + <path length> + \0
+ */
+ n_chars = 5 + 39 + 1 + HDstrlen(log_location) + 1;
+ if(NULL == (file_name = (char *)H5MM_calloc(n_chars * sizeof(char))))
+ HGOTO_ERROR(H5E_CACHE, H5E_CANTALLOC, FAIL, "can't allocate memory for mdc log file name manipulation")
+
+ /* Add the rank to the log file name when MPI is in use */
+ if(-1 == mpi_rank)
+ HDsnprintf(file_name, n_chars, "%s", log_location);
+ else
+ HDsnprintf(file_name, n_chars, "RANK_%d.%s", mpi_rank, log_location);
+
+ /* Open log file and set it to be unbuffered */
+ if(NULL == (json_udata->outfile = HDfopen(file_name, "w")))
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "can't create mdc log file")
+ HDsetbuf(json_udata->outfile, NULL);
+
+ done:
+ if(file_name)
+ H5MM_xfree(file_name);
+
+ /* Free and reset the log info struct on errors */
+ if(FAIL == ret_value) {
+ /* Free */
+ if(json_udata && json_udata->message)
+ H5MM_xfree(json_udata->message);
+ if(json_udata)
+ H5MM_xfree(json_udata);
+
+ /* Reset */
+ log_info->udata = NULL;
+ log_info->cls = NULL;
+ }
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C_log_json_set_up() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_tear_down_logging
+ *
+ * Purpose: Tear-down for metadata cache logging.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_tear_down_logging(H5C_log_info_t *log_info)
+{
+ H5C_log_json_udata_t *json_udata = NULL;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(log_info);
+
+ /* Alias */
+ json_udata = (H5C_log_json_udata_t *)(log_info->udata);
+
+ /* Free the message buffer */
+ H5MM_xfree(json_udata->message);
+
+ /* Close log file */
+ if(EOF == HDfclose(json_udata->outfile))
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "problem closing mdc log file")
+ json_udata->outfile = NULL;
+
+ /* Fre the udata */
+ H5MM_xfree(json_udata);
+
+ /* Reset the log class info and udata */
+ log_info->cls = NULL;
+ log_info->udata = NULL;
+
+ done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_tear_down_logging() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_start_log_msg
+ *
+ * Purpose: Write a log message when logging starts.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_start_log_msg(void *udata)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string (opens the JSON array) */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\n\
+\"HDF5 metadata cache log messages\" : [\n\
+{\
+\"timestamp\":%lld,\
+\"action\":\"logging start\"\
+},\n\
+"
+ , (long long)HDtime(NULL));
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_start_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_stop_log_msg
+ *
+ * Purpose: Write a log message when logging ends.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_stop_log_msg(void *udata)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string (closes the JSON array) */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"logging stop\"\
+}\n\
+]}\n\
+"
+ , (long long)HDtime(NULL));
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_stop_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_create_cache_log_msg
+ *
+ * Purpose: Write a log message for cache creation.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_create_cache_log_msg(void *udata, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"create\",\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_create_cache_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_destroy_cache_log_msg
+ *
+ * Purpose: Write a log message for cache destruction.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_destroy_cache_log_msg(void *udata)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"destroy\"\
+},\n\
+"
+ , (long long)HDtime(NULL));
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_destroy_cache_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_evict_cache_log_msg
+ *
+ * Purpose: Write a log message for eviction of cache entries.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_evict_cache_log_msg(void *udata, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"evict\",\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_evict_cache_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_expunge_entry_log_msg
+ *
+ * Purpose: Write a log message for expunge of cache entries.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_expunge_entry_log_msg(void *udata, haddr_t address,
+ int type_id, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"expunge\",\
+\"address\":0x%lx,\
+\"type_id\":%d,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)address, (int)type_id, (int)fxn_ret_value);
+
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_expunge_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_flush_cache_log_msg
+ *
+ * Purpose: Write a log message for cache flushes.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_flush_cache_log_msg(void *udata, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"flush\",\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_flush_cache_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_insert_entry_log_msg
+ *
+ * Purpose: Write a log message for insertion of cache entries.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_insert_entry_log_msg(void *udata, haddr_t address,
+ int type_id, unsigned flags, size_t size, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"insert\",\
+\"address\":0x%lx,\
+\"type_id\":%d,\
+\"flags\":0x%x,\
+\"size\":%d,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)address, type_id, flags,
+ (int)size, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_insert_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_mark_entry_dirty_log_msg
+ *
+ * Purpose: Write a log message for marking cache entries as dirty.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_mark_entry_dirty_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"dirty\",\
+\"address\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_mark_entry_dirty_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_mark_entry_clean_log_msg
+ *
+ * Purpose: Write a log message for marking cache entries as clean.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_mark_entry_clean_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"clean\",\
+\"address\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_mark_entry_clean_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_mark_unserialized_entry_log_msg
+ *
+ * Purpose: Write a log message for marking cache entries as unserialized.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_mark_unserialized_entry_log_msg(void *udata,
+ const H5C_cache_entry_t *entry, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"unserialized\",\
+\"address\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_mark_unserialized_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_mark_serialize_entry_log_msg
+ *
+ * Purpose: Write a log message for marking cache entries as serialize.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_mark_serialized_entry_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"serialized\",\
+\"address\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_mark_serialized_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_move_entry_log_msg
+ *
+ * Purpose: Write a log message for moving a cache entry.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_move_entry_log_msg(void *udata, haddr_t old_addr, haddr_t new_addr,
+ int type_id, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"move\",\
+\"old_address\":0x%lx,\
+\"new_address\":0x%lx,\
+\"type_id\":%d,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)old_addr,
+ (unsigned long)new_addr, type_id, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_move_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_pin_entry_log_msg
+ *
+ * Purpose: Write a log message for pinning a cache entry.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_pin_entry_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"pin\",\
+\"address\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr,
+ (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_pin_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_create_fd_log_msg
+ *
+ * Purpose: Write a log message for creating a flush dependency between
+ * two cache entries.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_create_fd_log_msg(void *udata, const H5C_cache_entry_t *parent,
+ const H5C_cache_entry_t *child, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(parent);
+ HDassert(child);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"create_fd\",\
+\"parent_addr\":0x%lx,\
+\"child_addr\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)parent->addr,
+ (unsigned long)child->addr, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_create_fd_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_protect_entry_log_msg
+ *
+ * Purpose: Write a log message for protecting a cache entry.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_protect_entry_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ int type_id, unsigned flags, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ char rw_s[16];
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ if(H5C__READ_ONLY_FLAG == flags)
+ HDstrcpy(rw_s, "READ");
+ else
+ HDstrcpy(rw_s, "WRITE");
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"protect\",\
+\"address\":0x%lx,\
+\"type_id\":%d,\
+\"readwrite\":\"%s\",\
+\"size\":%d,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr,
+ type_id, rw_s, (int)entry->size, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_protect_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_resize_entry_log_msg
+ *
+ * Purpose: Write a log message for resizing a cache entry.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_resize_entry_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ size_t new_size, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"resize\",\
+\"address\":0x%lx,\
+\"new_size\":%d,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr,
+ (int)new_size, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_resize_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_unpin_entry_log_msg
+ *
+ * Purpose: Write a log message for unpinning a cache entry.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_unpin_entry_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"unpin\",\
+\"address\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr,
+ (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_unpin_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_destroy_fd_log_msg
+ *
+ * Purpose: Write a log message for destroying a flush dependency
+ * between two cache entries.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_destroy_fd_log_msg(void *udata, const H5C_cache_entry_t *parent,
+ const H5C_cache_entry_t *child, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(parent);
+ HDassert(child);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"destroy_fd\",\
+\"parent_addr\":0x%lx,\
+\"child_addr\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)parent->addr,
+ (unsigned long)child->addr, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_destroy_fd_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_unprotect_entry_log_msg
+ *
+ * Purpose: Write a log message for unprotecting a cache entry.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_unprotect_entry_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ int type_id, unsigned flags, herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"unprotect\",\
+\"address\":0x%lx,\
+\"id\":%d,\
+\"flags\":%x,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr,
+ type_id, flags, (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_unprotect_entry_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_set_cache_config_log_msg
+ *
+ * Purpose: Write a log message for setting the cache configuration.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_set_cache_config_log_msg(void *udata, const H5AC_cache_config_t *config,
+ herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(config);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"set_config\",\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (int)fxn_ret_value);
+
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_set_cache_config_log_msg() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5C__json_write_remove_entry_log_msg
+ *
+ * Purpose: Write a log message for removing a cache entry.
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Dana Robinson
+ * Fall 2018
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5C__json_write_remove_entry_log_msg(void *udata, const H5C_cache_entry_t *entry,
+ herr_t fxn_ret_value)
+{
+ H5C_log_json_udata_t *json_udata = (H5C_log_json_udata_t *)(udata);
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_STATIC
+
+ /* Sanity checks */
+ HDassert(json_udata);
+ HDassert(json_udata->message);
+ HDassert(entry);
+
+ /* Create the log message string */
+ HDsnprintf(json_udata->message, H5C_MAX_JSON_LOG_MSG_SIZE,
+"\
+{\
+\"timestamp\":%lld,\
+\"action\":\"remove\",\
+\"address\":0x%lx,\
+\"returned\":%d\
+},\n\
+"
+ , (long long)HDtime(NULL), (unsigned long)entry->addr,
+ (int)fxn_ret_value);
+
+ /* Write the log message to the file */
+ if(H5C__json_write_log_message(json_udata) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_LOGGING, FAIL, "unable to emit log message")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5C__json_write_remove_entry_log_msg() */
+