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Diffstat (limited to 'testpar')
| -rw-r--r-- | testpar/t_cache.c | 3487 |
1 files changed, 3487 insertions, 0 deletions
diff --git a/testpar/t_cache.c b/testpar/t_cache.c new file mode 100644 index 0000000..c1b52c5 --- /dev/null +++ b/testpar/t_cache.c @@ -0,0 +1,3487 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* + * Parallel metadata cache tests. + * + */ + +#include "h5test.h" +#include "testpar.h" +#include "H5Iprivate.h" +#include "H5ACprivate.h" + +#define H5C_PACKAGE /*suppress error about including H5Cpkg */ + +#include "H5Cpkg.h" + +#define H5F_PACKAGE /*suppress error about including H5Fpkg */ + +#include "H5Fpkg.h" + + +int nerrors = 0; +int failures = 0; +hbool_t verbose = TRUE; /* used to control error messages */ +#if 0 +/* So far we haven't needed this, but that may change. + * Keep it around for now + */ +hid_t noblock_dxpl_id=(-1); +#endif + +#define NFILENAME 2 +#define PARATESTFILE filenames[0] +const char *FILENAME[NFILENAME]={"CacheTestDummy", NULL}; +char filenames[NFILENAME][PATH_MAX]; +hid_t fapl; /* file access property list */ + + +int world_mpi_size = -1; +int world_mpi_rank = -1; +int world_server_mpi_rank = -1; +MPI_Comm world_mpi_comm = MPI_COMM_NULL; +int file_mpi_size = -1; +int file_mpi_rank = -1; +MPI_Comm file_mpi_comm = MPI_COMM_NULL; + + +/***************************************************************************** + * struct datum + * + * Instances of struct datum are used to store information on entries + * that may be loaded into the cache. The individual fields are + * discussed below: + * + * header: Instance of H5C_cache_entry_t used by the for its data. + * This field is only used on the file processes, not on the + * server process. + * + * This field MUST be the first entry in this structure. + * + * base_addr: Base address of the entry. + * + * len: Length of the entry. + * + * ver: Version number of the entry. This number is initialize + * to zero, and incremented each time the entry is modified. + * + * dirty: Boolean flag indicating whether the entry is dirty. + * + * For current purposes, an entry is clean until it is + * modified, and dirty until written to the server (cache + * on process 0) or until it is marked clean (all other + * caches). + * + * valid: Boolean flag indicating whether the entry contains + * valid data. Attempts to read an entry whose valid + * flag is not set should trigger an error. + * + * locked: Boolean flag that is set to true iff the entry is in + * the cache and locked. + * + * index: Index of this instance of datum in the data_index[] array + * discussed below. + * + *****************************************************************************/ + +struct datum +{ + H5C_cache_entry_t header; + haddr_t base_addr; + size_t len; + int ver; + hbool_t dirty; + hbool_t valid; + hbool_t locked; + int index; +}; + +/***************************************************************************** + * data array + * + * The data array is an array of instances of datum of size + * NUM_DATA_ENTRIES that is used to track the particulars of all + * the entries that may be loaded into the cache. + * + * It exists on all processes, although the master copy is maintained + * by the server process. If the cache is performing correctly, all + * versions should be effectively identical. By that I mean that + * the data received from the server should always match that in + * the local version of the data array. + * + *****************************************************************************/ + +#define NUM_DATA_ENTRIES 100000 + +struct datum data[NUM_DATA_ENTRIES]; + + +/***************************************************************************** + * data_index array + * + * The data_index array is an array of integer used to maintain a list + * of instances of datum in the data array in increasing base_addr order. + * + * This array is necessary, as rename operations can swap the values + * of the base_addr fields of two instances of datum. Without this + * array, we would no longer be able to use a binary search on a sorted + * list to find the indexes of instances of datum given the values of + * their base_addr fields. + * + *****************************************************************************/ + +int data_index[NUM_DATA_ENTRIES]; + + +/***************************************************************************** + * struct mssg + * + * The mssg structure is used as a generic container for messages to + * and from the server. Not all fields are used in all cases. + * + * req: Integer field containing the type of the message. + * + * src: World communicator MPI rank of the sending process. + * + * dest: World communicator MPI rank of the destination process. + * + * mssg_num: Serial number assigned to the message by the sender. + * + * base_addr: Base address of a datum. Not used in all mssgs. + * + * len: Length of a datum (in bytes). Not used in all mssgs. + * + * ver: Version number of a datum. Not used in all mssgs. + * + * magic: Magic number for error detection. Must be set to + * MSSG_MAGIC. + * + *****************************************************************************/ + +#define WRITE_REQ_CODE 0 +#define READ_REQ_CODE 1 +#define READ_REQ_REPLY_CODE 2 +#define DONE_REQ_CODE 3 +#define MAX_REQ_CODE 3 + +#define MSSG_MAGIC 0x1248 + +typedef struct mssg_t +{ + int req; + int src; + int dest; + long int mssg_num; + haddr_t base_addr; + int len; + int ver; + unsigned magic; +}; + +MPI_Datatype mpi_mssg_t; /* for MPI derived type created from mssg */ + + +/*****************************************************************************/ +/************************** function declarations ****************************/ +/*****************************************************************************/ + +/* MPI setup functions */ + +hbool_t set_up_file_communicator(void); + + +/* data array manipulation functions */ + +int addr_to_datum_index(haddr_t base_addr); +void init_data(void); + + +/* mssg xfer related functions */ + +int get_max_nerrors(void); +hbool_t recv_mssg(struct mssg_t *mssg_ptr); +hbool_t send_mssg(struct mssg_t *mssg_ptr); +hbool_t setup_derived_types(void); +hbool_t takedown_derived_types(void); + + +/* server functions */ + +hbool_t server_main(void); +hbool_t serve_read_request(struct mssg_t * mssg_ptr); +hbool_t serve_write_request(struct mssg_t * mssg_ptr); + + +/* call back functions & related data structures */ + +herr_t clear_datum(H5F_t * f, void * thing, hbool_t dest); +herr_t destroy_datum(H5F_t UNUSED * f, void * thing); +herr_t flush_datum(H5F_t *f, hid_t UNUSED dxpl_id, hbool_t dest, haddr_t addr, + void *thing); +void * load_datum(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, haddr_t addr, + const void UNUSED *udata1, void UNUSED *udata2); +herr_t size_datum(H5F_t UNUSED * f, void * thing, size_t * size_ptr); + +#define DATUM_ENTRY_TYPE H5AC_TEST_ID + +#define NUMBER_OF_ENTRY_TYPES 1 + +const H5C_class_t types[NUMBER_OF_ENTRY_TYPES] = +{ + { + DATUM_ENTRY_TYPE, + (H5C_load_func_t)load_datum, + (H5C_flush_func_t)flush_datum, + (H5C_dest_func_t)destroy_datum, + (H5C_clear_func_t)clear_datum, + (H5C_size_func_t)size_datum + } +}; + + +/* test utility functions */ + +void insert_entry(H5C_t * cache_ptr, H5F_t * file_ptr, + int32_t idx, unsigned int flags); +void lock_and_unlock_random_entries(H5C_t * cache_ptr, H5F_t * file_ptr, + int min_idx, int max_idx, + int min_count, int max_count); +void lock_and_unlock_random_entry(H5C_t * cache_ptr, H5F_t * file_ptr, + int min_idx, int max_idx); +void lock_entry(H5C_t * cache_ptr, H5F_t * file_ptr, int32_t idx); +void rename_entry(H5C_t * cache_ptr, H5F_t * file_ptr, + int32_t old_idx, int32_t new_idx); +hbool_t setup_cache_for_test(hid_t * fid_ptr, H5F_t ** file_ptr_ptr, + H5C_t ** cache_ptr_ptr); +void setup_rand(void); +hbool_t take_down_cache(hid_t fid); +void unlock_entry(H5C_t * cache_ptr, H5F_t * file_ptr, + int32_t type, unsigned int flags); + + +/* test functions */ + +hbool_t server_smoke_check(void); +hbool_t smoke_check_1(void); +hbool_t smoke_check_2(void); +hbool_t smoke_check_3(void); +hbool_t smoke_check_4(void); + + +/*****************************************************************************/ +/**************************** MPI setup functions ****************************/ +/*****************************************************************************/ + +/***************************************************************************** + * + * Function: set_up_file_communicator() + * + * Purpose: Create the MPI communicator used to open a HDF5 file with. + * In passing, also initialize the file_mpi... globals. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 11/16/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +set_up_file_communicator(void) +{ + const char * fcn_name = "set_up_file_communicator()"; + hbool_t success = TRUE; + int mpi_result; + int num_excluded_ranks; + int excluded_ranks[1]; + MPI_Group file_group; + MPI_Group world_group; + + if ( success ) { + + mpi_result = MPI_Comm_group(world_mpi_comm, &world_group); + + if ( mpi_result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + fprintf(stdout, + "%d:%s: MPI_Comm_group() failed with error %d.\n", + world_mpi_rank, fcn_name, mpi_result); + } + } + } + + if ( success ) { + + num_excluded_ranks = 1; + excluded_ranks[0] = world_server_mpi_rank; + mpi_result = MPI_Group_excl(world_group, num_excluded_ranks, + excluded_ranks, &file_group); + + if ( mpi_result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + fprintf(stdout, + "%d:%s: MPI_Group_excl() failed with error %d.\n", + world_mpi_rank, fcn_name, mpi_result); + } + } + } + + if ( success ) { + + mpi_result = MPI_Comm_create(world_mpi_comm, file_group, + &file_mpi_comm); + + if ( mpi_result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + fprintf(stdout, + "%d:%s: MPI_Comm_create() failed with error %d.\n", + world_mpi_rank, fcn_name, mpi_result); + } + + } else { + + if ( world_mpi_rank != world_server_mpi_rank ) { + + if ( file_mpi_comm == MPI_COMM_NULL ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + fprintf(stdout, + "%d:%s: file_mpi_comm == MPI_COMM_NULL.\n", + world_mpi_rank, fcn_name); + } + } + } else { + + file_mpi_size = world_mpi_size - 1; /* needed by the server */ + + if ( file_mpi_comm != MPI_COMM_NULL ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + fprintf(stdout, + "%d:%s: file_mpi_comm != MPI_COMM_NULL.\n", + world_mpi_rank, fcn_name); + } + } + } + } + } + + if ( ( success ) && ( world_mpi_rank != world_server_mpi_rank ) ) { + + mpi_result = MPI_Comm_size(file_mpi_comm, &file_mpi_size); + + if ( mpi_result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + fprintf(stdout, + "%d:%s: MPI_Comm_size() failed with error %d.\n", + world_mpi_rank, fcn_name, mpi_result); + } + } + } + + if ( ( success ) && ( world_mpi_rank != world_server_mpi_rank ) ) { + + mpi_result = MPI_Comm_rank(file_mpi_comm, &file_mpi_rank); + + if ( mpi_result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + fprintf(stdout, + "%d:%s: MPI_Comm_rank() failed with error %d.\n", + world_mpi_rank, fcn_name, mpi_result); + } + } + } + +#if 0 /* Useful debuggging code -- lets keep it around for a while */ + if ( success ) { + + fprintf(stdout, "%d:%s: file mpi size = %d, file mpi rank = %d.\n", + world_mpi_rank, fcn_name, file_mpi_size, file_mpi_rank); + } +#endif /* JRM */ + + return(success); + +} /* set_up_file_communicator() */ + + +/*****************************************************************************/ +/******************** data array manipulation functions **********************/ +/*****************************************************************************/ + +/***************************************************************************** + * + * Function: addr_to_datum_index() + * + * Purpose: Given the base address of a datum, find and return its index + * in the data array. + * + * Return: Success: index of target datum. + * + * Failure: -1. + * + * Programmer: JRM -- 12/20/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +int +addr_to_datum_index(haddr_t base_addr) +{ + const char * fcn_name = "addr_to_datum_index()"; + int top = NUM_DATA_ENTRIES - 1; + int bottom = 0; + int middle = (NUM_DATA_ENTRIES - 1) / 2; + int ret_value = -1; + + while ( top >= bottom ) + { + if ( base_addr < data[data_index[middle]].base_addr ) { + + top = middle - 1; + middle = (top + bottom) / 2; + + } else if ( base_addr > data[data_index[middle]].base_addr ) { + + bottom = middle + 1; + middle = (top + bottom) / 2; + + } else /* ( base_addr == data[data_index[middle]].base_addr ) */ { + + ret_value = data_index[middle]; + bottom = top + 1; /* to force exit from while loop */ + + } + } + + return(ret_value); + +} /* addr_to_datum_index() */ + + +/***************************************************************************** + * + * Function: init_data_array() + * + * Purpose: Initialize the data array, from which cache entries are + * loaded. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/20/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +void +init_data(void) +{ + const char * fcn_name = "init_data()"; + /* The set of address offsets is chosen so as to avoid allowing the + * base addresses to fall in a pattern of that will annoy the hash + * table, and to give a good range of entry sizes. + * + * At present, I am using the first 20 entries of the Fibonacci + * sequence multiplied by 2. We will see how it works. + */ + const int num_addr_offsets = 20; + const haddr_t addr_offsets[20] = { 2, 2, 4, 6, 10, + 16, 26, 42, 68, 110, + 178, 288, 466, 754, 1220, + 1974, 3194, 5168, 8362, 13539}; + int i; + int j = 0; + haddr_t addr = 0; + + /* this must hold so renames don't change entry size. */ + HDassert( (NUM_DATA_ENTRIES / 2) % 20 == 0 ); + + for ( i = 0; i < NUM_DATA_ENTRIES; i++ ) + { + data[i].base_addr = addr; + data[i].len = (size_t)(addr_offsets[j]); + data[i].ver = 0; + data[i].dirty = FALSE; + data[i].valid = FALSE; + data[i].locked = FALSE; + data[i].index = i; + + data_index[i] = i; + + addr += addr_offsets[j]; + HDassert( addr > data[i].base_addr ); + + j = (j + 1) % num_addr_offsets; + } + + return; + +} /* init_data() */ + + +/*****************************************************************************/ +/************************ mssg xfer related functions ************************/ +/*****************************************************************************/ + +/***************************************************************************** + * + * Function: get_max_nerrors() + * + * Purpose: Do an MPI_Allreduce to obtain the maximum value of nerrors + * across all processes. Return this value. + * + * Return: Success: Maximum of the nerrors global variables across + * all processes. + * + * Failure: -1 + * + * Programmer: JRM -- 1/3/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +int +get_max_nerrors(void) +{ + const char * fcn_name = "get_max_nerrors()"; + int max_nerrors; + int result; + + result = MPI_Allreduce((void *)&nerrors, + (void *)&max_nerrors, + 1, + MPI_INT, + MPI_MAX, + world_mpi_comm); + + if ( result != MPI_SUCCESS ) { + + nerrors++; + max_nerrors = -1; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: MPI_Allreduce() failed.\n", + world_mpi_rank, fcn_name ); + } + } + + return(max_nerrors); + +} /* get_max_nerrors() */ + + +/***************************************************************************** + * + * Function: recv_mssg() + * + * Purpose: Receive a message from any process in the provided instance + * of struct mssg. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/22/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +#define CACHE_TEST_TAG 99 /* different from any used by the library */ + +hbool_t +recv_mssg(struct mssg_t *mssg_ptr) +{ + const char * fcn_name = "recv_mssg()"; + hbool_t success = TRUE; + int result; + static long mssg_num = 0; + MPI_Status status; + + if ( mssg_ptr == NULL ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: NULL mssg_ptr on entry.\n", + world_mpi_rank, fcn_name); + } + } + + if ( success ) { + + result = MPI_Recv((void *)mssg_ptr, 1, mpi_mssg_t, MPI_ANY_SOURCE, + CACHE_TEST_TAG, world_mpi_comm, &status); + + if ( result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: MPI_Recv() failed.\n", + world_mpi_rank, fcn_name ); + } + } else if ( mssg_ptr->magic != MSSG_MAGIC ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: invalid magic.\n", world_mpi_rank, + fcn_name); + } + } else if ( mssg_ptr->src != status.MPI_SOURCE ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, + "%d:%s: mssg_ptr->src != status.MPI_SOURCE.\n", + world_mpi_rank, fcn_name); + } + } + } + + return(success); + +} /* recv_mssg() */ + + +/***************************************************************************** + * + * Function: send_mssg() + * + * Purpose: Send the provided instance of mssg to the indicated target. + * + * Note that all source and destination ranks are in the + * global communicator. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/22/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +send_mssg(struct mssg_t *mssg_ptr) +{ + const char * fcn_name = "send_mssg()"; + hbool_t success = TRUE; + int result; + static long mssg_num = 0; + + if ( ( mssg_ptr == NULL ) || + ( mssg_ptr->src != world_mpi_rank ) || + ( mssg_ptr->dest < 0 ) || + ( mssg_ptr->dest == mssg_ptr->src ) || + ( mssg_ptr->dest >= world_mpi_size ) || + ( mssg_ptr->req < 0 ) || + ( mssg_ptr->req > MAX_REQ_CODE ) || + ( mssg_ptr->magic != MSSG_MAGIC ) ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Invalid mssg on entry.\n", + world_mpi_rank, fcn_name); + } + } + + if ( success ) { + + mssg_ptr->mssg_num = mssg_num++; + + result = MPI_Send((void *)mssg_ptr, 1, mpi_mssg_t, + mssg_ptr->dest, CACHE_TEST_TAG, world_mpi_comm); + + if ( result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: MPI_Send() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + return(success); + +} /* send_mssg() */ + + +/***************************************************************************** + * + * Function: setup_derived_types() + * + * Purpose: Set up the derived types used by the test bed. At present, + * only the mpi_mssg derived type is needed. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/22/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +setup_derived_types(void) +{ + const char * fcn_name = "setup_derived_types()"; + hbool_t success = TRUE; + int i; + int result; + MPI_Datatype types[8] = {MPI_INT, MPI_INT, MPI_INT, MPI_LONG, + HADDR_AS_MPI_TYPE, MPI_INT, MPI_INT, + MPI_UNSIGNED}; + int block_len[8] = {1, 1, 1, 1, 1, 1, 1, 1}; + MPI_Aint displs[8]; + struct mssg_t sample; /* used to compute displacements */ + + /* setup the displacements array */ + if ( ( MPI_SUCCESS != MPI_Address(&sample.req, &displs[0]) ) || + ( MPI_SUCCESS != MPI_Address(&sample.src, &displs[1]) ) || + ( MPI_SUCCESS != MPI_Address(&sample.dest, &displs[2]) ) || + ( MPI_SUCCESS != MPI_Address(&sample.mssg_num, &displs[3]) ) || + ( MPI_SUCCESS != MPI_Address(&sample.base_addr, &displs[4]) ) || + ( MPI_SUCCESS != MPI_Address(&sample.len, &displs[5]) ) || + ( MPI_SUCCESS != MPI_Address(&sample.ver, &displs[6]) ) || + ( MPI_SUCCESS != MPI_Address(&sample.magic, &displs[7]) ) ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: MPI_Address() call failed.\n", + world_mpi_rank, fcn_name); + } + + } else { + + /* Now calculate the actual displacements */ + for ( i = 7; i >= 0; --i) + { + displs[i] -= displs[0]; + } + } + + if ( success ) { + + result = MPI_Type_struct(8, block_len, displs, types, &mpi_mssg_t); + + if ( result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: MPI_Type_struct() call failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + if ( success ) { + + result = MPI_Type_commit(&mpi_mssg_t); + + if ( result != MPI_SUCCESS) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: MPI_Type_commit() call failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + return(success); + +} /* setup_derived_types */ + + +/***************************************************************************** + * + * Function: takedown_derived_types() + * + * Purpose: take down the derived types used by the test bed. At present, + * only the mpi_mssg derived type is needed. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/22/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +takedown_derived_types(void) +{ + const char * fcn_name = "takedown_derived_types()"; + hbool_t success = TRUE; + int i; + int result; + + result = MPI_Type_free(&mpi_mssg_t); + + if ( result != MPI_SUCCESS ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: MPI_Type_free() call failed.\n", + world_mpi_rank, fcn_name); + } + } + + return(success); + +} /* takedown_derived_types() */ + + +/*****************************************************************************/ +/***************************** server functions ******************************/ +/*****************************************************************************/ + +/***************************************************************************** + * + * Function: server_main() + * + * Purpose: Main function for the server process. This process exists + * to provide an independant view of the data array. + * + * The function handles request from the other processes in + * the test until the count of done messages received equals + * the number of client processes. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/22/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +server_main(void) +{ + const char * fcn_name = "server_main()"; + hbool_t done = FALSE; + hbool_t success = TRUE; + int done_count = 0; + struct mssg_t mssg; + + if ( world_mpi_rank != world_server_mpi_rank ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: This isn't the server process?!?!?\n", + world_mpi_rank, fcn_name); + } + } + + + while ( ( success ) && ( ! done ) ) + { + success = recv_mssg(&mssg); + + if ( success ) { + + switch ( mssg.req ) + { + case WRITE_REQ_CODE: + success = serve_write_request(&mssg); + break; + + case READ_REQ_CODE: + success = serve_read_request(&mssg); + break; + + case READ_REQ_REPLY_CODE: + success = FALSE; + HDfprintf(stdout, "%s: Received read req reply?!?.\n", + fcn_name); + break; + + case DONE_REQ_CODE: + done_count++; + /* HDfprintf(stdout, "%d:%s: done_count = %d.\n", + world_mpi_rank, fcn_name, done_count); */ + if ( done_count >= file_mpi_size ) { + + done = TRUE; + } + break; + + default: + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Unknown request code.\n", + world_mpi_rank, fcn_name); + } + break; + } + } + } + + return(success); + +} /* server_main() */ + + +/***************************************************************************** + * + * Function: serve_read_request() + * + * Purpose: Serve a read request. + * + * The function accepts a pointer to an instance of struct + * mssg_t as input. If all sanity checks pass, it sends + * a copy of the indicated datum from the data array to + * the requesting process. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/22/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +serve_read_request(struct mssg_t * mssg_ptr) +{ + const char * fcn_name = "serve_read_request()"; + hbool_t success = TRUE; + int target_index; + haddr_t target_addr; + struct mssg_t reply; + + if ( ( mssg_ptr == NULL ) || + ( mssg_ptr->req != READ_REQ_CODE ) || + ( mssg_ptr->magic != MSSG_MAGIC ) ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Bad mssg on entry.\n", + world_mpi_rank, fcn_name); + } + } + + if ( success ) { + + target_addr = mssg_ptr->base_addr; + target_index = addr_to_datum_index(target_addr); + + if ( target_index < 0 ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: addr lookup failed for %a.\n", + world_mpi_rank, fcn_name, target_addr); + } + } else if ( data[target_index].len != mssg_ptr->len ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, + "%d:%s: data[i].len = %d != mssg->len = %d.\n", + world_mpi_rank, fcn_name, + data[target_index].len, mssg_ptr->len); + } + } else if ( ! (data[target_index].valid) ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, + "%d:%s: proc %d read invalid entry. base_addr = %a.\n", + world_mpi_rank, fcn_name, + mssg_ptr->src, data[target_index].base_addr); + } + } else { + + /* compose the reply message */ + reply.req = READ_REQ_REPLY_CODE; + reply.src = world_mpi_rank; + reply.dest = mssg_ptr->src; + reply.mssg_num = -1; /* set by send function */ + reply.base_addr = data[target_index].base_addr; + reply.len = data[target_index].len; + reply.ver = data[target_index].ver; + reply.magic = MSSG_MAGIC; + } + } + + if ( success ) { + + success = send_mssg(&reply); + } + + return(success); + +} /* serve_read_request() */ + + +/***************************************************************************** + * + * Function: serve_write_request() + * + * Purpose: Serve a write request. + * + * The function accepts a pointer to an instance of struct + * mssg_t as input. If all sanity checks pass, it updates + * the version number of the target data array entry as + * specified in the message. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/21/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +serve_write_request(struct mssg_t * mssg_ptr) +{ + const char * fcn_name = "serve_write_request()"; + hbool_t success = TRUE; + int target_index; + int new_ver_num; + haddr_t target_addr; + + if ( ( mssg_ptr == NULL ) || + ( mssg_ptr->req != WRITE_REQ_CODE ) || + ( mssg_ptr->magic != MSSG_MAGIC ) ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Bad mssg on entry.\n", + world_mpi_rank, fcn_name); + } + } + + if ( success ) { + + target_addr = mssg_ptr->base_addr; + target_index = addr_to_datum_index(target_addr); + + if ( target_index < 0 ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: addr lookup failed for %a.\n", + world_mpi_rank, fcn_name, target_addr); + } + } else if ( data[target_index].len != mssg_ptr->len ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, + "%d:%s: data[i].len = %d != mssg->len = %d.\n", + world_mpi_rank, fcn_name, + data[target_index].len, mssg_ptr->len); + } + } + } + + if ( success ) { + + new_ver_num = mssg_ptr->ver; + + if ( new_ver_num <= data[target_index].ver ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: new ver = %d <= old ver = %d.\n", + world_mpi_rank, fcn_name, + new_ver_num, data[target_index].ver); + } + } + } + + if ( success ) { + + data[target_index].ver = new_ver_num; + data[target_index].valid = TRUE; + } + + return(success); + +} /* serve_write_request() */ + + +/*****************************************************************************/ +/**************************** Call back functions ****************************/ +/*****************************************************************************/ + +/*------------------------------------------------------------------------- + * Function: clear_datum + * + * Purpose: Mark the datum as clean and destroy it if requested. + * Do not write it to the server, or increment the version. + * + * Return: SUCCEED + * + * Programmer: John Mainzer + * 12/29/05 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t +clear_datum(H5F_t * f, + void * thing, + hbool_t dest) +{ + int index; + struct datum * entry_ptr; + + HDassert( thing ); + + entry_ptr = (struct datum *)thing; + + index = addr_to_datum_index(entry_ptr->base_addr); + + HDassert( index >= 0 ); + HDassert( index < NUM_DATA_ENTRIES ); + HDassert( &(data[index]) == entry_ptr ); + + HDassert( entry_ptr->header.addr == entry_ptr->base_addr ); + HDassert( entry_ptr->header.size == entry_ptr->len ); + + entry_ptr->header.is_dirty = FALSE; + entry_ptr->dirty = FALSE; + + if ( dest ) { + + destroy_datum(f, thing); + + } + + return(SUCCEED); + +} /* clear_datum() */ + +/*------------------------------------------------------------------------- + * Function: destroy_datum() + * + * Purpose: Destroy the entry. At present, this means do nothing other + * than verify that the entry is clean. In particular, do not + * write it to the server process. + * + * Return: SUCCEED + * + * Programmer: John Mainzer + * 12/29/05 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t +destroy_datum(H5F_t UNUSED * f, + void * thing) +{ + int index; + struct datum * entry_ptr; + + HDassert( thing ); + + entry_ptr = (struct datum *)thing; + + index = addr_to_datum_index(entry_ptr->base_addr); + + HDassert( index >= 0 ); + HDassert( index < NUM_DATA_ENTRIES ); + HDassert( &(data[index]) == entry_ptr ); + + HDassert( entry_ptr->header.addr == entry_ptr->base_addr ); + HDassert( entry_ptr->header.size == entry_ptr->len ); + + HDassert( !(entry_ptr->dirty) ); + HDassert( !(entry_ptr->header.is_dirty) ); + + return(SUCCEED); + +} /* destroy_datum() */ + +/*------------------------------------------------------------------------- + * Function: flush_datum + * + * Purpose: Flush the entry to the server process and mark it as clean. + * Then destroy the entry if requested. + * + * Return: SUCCEED if successful, and FAIL otherwise. + * + * Programmer: John Mainzer + * 12/29/05 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t +flush_datum(H5F_t *f, + hid_t UNUSED dxpl_id, + hbool_t dest, + haddr_t addr, + void *thing) +{ + const char * fcn_name = "flush_datum()"; + herr_t ret_value = SUCCEED; + int index; + struct datum * entry_ptr; + struct mssg_t mssg; + + HDassert( thing ); + + entry_ptr = (struct datum *)thing; + + index = addr_to_datum_index(entry_ptr->base_addr); + + HDassert( index >= 0 ); + HDassert( index < NUM_DATA_ENTRIES ); + HDassert( &(data[index]) == entry_ptr ); + + HDassert( entry_ptr->header.addr == entry_ptr->base_addr ); + HDassert( entry_ptr->header.size == entry_ptr->len ); + + HDassert( entry_ptr->header.is_dirty == entry_ptr->dirty ); + + if ( ( file_mpi_rank != 0 ) && ( entry_ptr->dirty ) ) { + + ret_value = FAIL; + HDfprintf(stdout, + "%d:%s: Flushed dirty entry from non-zero file process.", + world_mpi_rank, fcn_name); + } + + if ( ret_value == SUCCEED ) { + + if ( entry_ptr->header.is_dirty ) { + + /* compose the message */ + mssg.req = WRITE_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = entry_ptr->base_addr; + mssg.len = entry_ptr->len; + mssg.ver = entry_ptr->ver; + mssg.magic = MSSG_MAGIC; + + if ( ! send_mssg(&mssg) ) { + + nerrors++; + ret_value = FAIL; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed.\n", + world_mpi_rank, fcn_name); + } + } + else + { + entry_ptr->header.is_dirty = FALSE; + entry_ptr->dirty = FALSE; + } + } + } + + if ( ret_value == SUCCEED ) { + + if ( dest ) { + + ret_value = destroy_datum(f, thing); + } + } + + return(ret_value); + +} /* flush_datum() */ + +/*------------------------------------------------------------------------- + * Function: load_datum + * + * Purpose: Read the requested entry from the server and mark it as + * clean. + * + * Return: SUCCEED if successful, FAIL otherwise. + * + * Programmer: John Mainzer + * 12/29/05 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +void * +load_datum(H5F_t UNUSED *f, + hid_t UNUSED dxpl_id, + haddr_t addr, + const void UNUSED *udata1, + void UNUSED *udata2) +{ + const char * fcn_name = "load_datum()"; + hbool_t success = TRUE; + int index; + struct datum * entry_ptr = NULL; + struct mssg_t mssg; + + index = addr_to_datum_index(addr); + + HDassert( index >= 0 ); + HDassert( index < NUM_DATA_ENTRIES ); + + entry_ptr = &(data[index]); + + HDassert( addr == entry_ptr->base_addr ); + + /* compose the read message */ + mssg.req = READ_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = entry_ptr->base_addr; + mssg.len = entry_ptr->len; + mssg.ver = 0; /* bogus -- should be corrected by server */ + mssg.magic = MSSG_MAGIC; + + if ( ! send_mssg(&mssg) ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed.\n", + world_mpi_rank, fcn_name); + } + } + + if ( success ) { + + if ( ! recv_mssg(&mssg) ) { + + nerrors++; + success = FAIL; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: recv_mssg() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + if ( success ) { + + if ( ( mssg.req != READ_REQ_REPLY_CODE ) || + ( mssg.src != world_server_mpi_rank ) || + ( mssg.dest != world_mpi_rank ) || + ( mssg.base_addr != entry_ptr->base_addr ) || + ( mssg.len != entry_ptr->len ) || + ( mssg.ver < entry_ptr->ver ) || + ( mssg.magic != MSSG_MAGIC ) ) { + + nerrors++; + success = FALSE; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Bad data in read req reply.\n", + world_mpi_rank, fcn_name); + } + } else { + + entry_ptr->ver = mssg.ver; + entry_ptr->header.is_dirty = FALSE; + entry_ptr->dirty = FALSE; + } + } + + if ( ! success ) { + + entry_ptr = NULL; + + } + + return(entry_ptr); + +} /* load_datum() */ + +/*------------------------------------------------------------------------- + * Function: size_datum + * + * Purpose: Get the size of the specified entry. Just look at the + * local copy, as size can't change. + * + * Return: SUCCEED + * + * Programmer: John Mainzer + * 6/10/04 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ + +herr_t +size_datum(H5F_t UNUSED * f, + void * thing, + size_t * size_ptr) +{ + int index; + struct datum * entry_ptr; + + HDassert( thing ); + HDassert( size_ptr ); + + entry_ptr = (struct datum *)thing; + + index = addr_to_datum_index(entry_ptr->base_addr); + + HDassert( index >= 0 ); + HDassert( index < NUM_DATA_ENTRIES ); + HDassert( &(data[index]) == entry_ptr ); + + HDassert( entry_ptr->header.addr == entry_ptr->base_addr ); + + *size_ptr = entry_ptr->len; + + return(SUCCEED); + +} /* size_datum() */ + + +/*****************************************************************************/ +/************************** test utility functions ***************************/ +/*****************************************************************************/ + +/***************************************************************************** + * Function: insert_entry() + * + * Purpose: Insert the entry indicated by the type and index, mark it + * as dirty, and increment its version number. + * + * Do nothing if nerrors is non-zero on entry. + * + * Return: void + * + * Programmer: John Mainzer + * 01/04/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +void +insert_entry(H5C_t * cache_ptr, + H5F_t * file_ptr, + int32_t idx, + unsigned int flags) +{ + const char * fcn_name = "insert_entry()"; + herr_t result; + struct datum * entry_ptr; + + HDassert( cache_ptr ); + HDassert( file_ptr ); + HDassert( ( 0 <= idx ) && ( idx < NUM_DATA_ENTRIES ) ); + + entry_ptr = &(data[idx]); + + HDassert( !(entry_ptr->locked) ); + + if ( nerrors == 0 ) { + + (entry_ptr->ver)++; + entry_ptr->dirty = TRUE; + + result = H5AC_set(file_ptr, -1, &(types[0]), entry_ptr->base_addr, + (void *)(&(entry_ptr->header)), flags); + + if ( ( result < 0 ) || + ( entry_ptr->header.type != &(types[0]) ) || + ( entry_ptr->len != entry_ptr->header.size ) || + ( entry_ptr->base_addr != entry_ptr->header.addr ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Error in H5AC_set().\n", + world_mpi_rank, fcn_name); + } + } + + if ( ! (entry_ptr->header.is_dirty) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: data[%d].header.is_dirty = %d.\n", + world_mpi_rank, fcn_name, idx, + (int)(data[idx].header.is_dirty)); + } + } + + /* HDassert( entry_ptr->header.is_dirty ); */ + HDassert( ((entry_ptr->header).type)->id == DATUM_ENTRY_TYPE ); + } + + return; + +} /* insert_entry() */ + + +/***************************************************************************** + * Function: lock_and_unlock_random_entries() + * + * Purpose: Obtain a random number in the closed interval [min_count, + * max_count]. Then protect and unprotect that number of + * random entries. + * + * Do nothing if nerrors is non-zero on entry. + * + * Return: void + * + * Programmer: John Mainzer + * 1/12/06 + * + * Modifications: + * + *****************************************************************************/ + +void +lock_and_unlock_random_entries(H5C_t * cache_ptr, + H5F_t * file_ptr, + int min_idx, + int max_idx, + int min_count, + int max_count) +{ + const char * fcn_name = "lock_and_unlock_random_entries()"; + int count; + int i; + + if ( nerrors == 0 ) { + + HDassert( cache_ptr ); + HDassert( file_ptr ); + HDassert( 0 <= min_count ); + HDassert( min_count < max_count ); + + count = (HDrand() % (max_count - min_count)) + min_count; + + HDassert( min_count <= count ); + HDassert( count <= max_count ); + + for ( i = 0; i < count; i++ ) + { + lock_and_unlock_random_entry(cache_ptr, file_ptr, min_idx, max_idx); + } + } + + return; + +} /* lock_and_unlock_random_entries() */ + + +/***************************************************************************** + * Function: lock_and_unlock_random_entry() + * + * Purpose: Protect and then unprotect a random entry with index in + * the data[] array in the close interval [min_idx, max_idx]. + * + * Do nothing if nerrors is non-zero on entry. + * + * Return: void + * + * Programmer: John Mainzer + * 1/4/06 + * + * Modifications: + * + *****************************************************************************/ + +void +lock_and_unlock_random_entry(H5C_t * cache_ptr, + H5F_t * file_ptr, + int min_idx, + int max_idx) +{ + const char * fcn_name = "lock_and_unlock_random_entry()"; + int index; + + if ( nerrors == 0 ) { + + HDassert( cache_ptr ); + HDassert( file_ptr ); + HDassert( 0 <= min_idx ); + HDassert( min_idx < max_idx ); + HDassert( max_idx < NUM_DATA_ENTRIES ); + + index = (HDrand() % (max_idx - min_idx)) + min_idx; + + HDassert( min_idx <= index ); + HDassert( index <= max_idx ); + + lock_entry(cache_ptr, file_ptr, index); + unlock_entry(cache_ptr, file_ptr, index, H5AC__NO_FLAGS_SET); + } + + return; + +} /* lock_and_unlock_random_entry() */ + + +/***************************************************************************** + * Function: lock_entry() + * + * Purpose: Protect the entry indicated by the index. + * + * Do nothing if nerrors is non-zero on entry. + * + * Return: void + * + * Programmer: John Mainzer + * 1/4/06 + * + * Modifications: + * + *****************************************************************************/ + +void +lock_entry(H5C_t * cache_ptr, + H5F_t * file_ptr, + int32_t idx) +{ + const char * fcn_name = "lock_entry()"; + struct datum * entry_ptr; + H5C_cache_entry_t * cache_entry_ptr; + + if ( nerrors == 0 ) { + + HDassert( cache_ptr ); + HDassert( ( 0 <= idx ) && ( idx < NUM_DATA_ENTRIES ) ); + + entry_ptr = &(data[idx]); + + cache_entry_ptr = H5AC_protect(file_ptr, -1, &(types[0]), + entry_ptr->base_addr, + NULL, NULL, H5AC_WRITE); + + if ( ( cache_entry_ptr != (void *)(&(entry_ptr->header)) ) || + ( entry_ptr->header.type != &(types[0]) ) || + ( entry_ptr->len != entry_ptr->header.size ) || + ( entry_ptr->base_addr != entry_ptr->header.addr ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: error in H5AC_protect().\n", + world_mpi_rank, fcn_name); + } + } + + HDassert( ((entry_ptr->header).type)->id == DATUM_ENTRY_TYPE ); + } + + return; + +} /* lock_entry() */ + + +/***************************************************************************** + * Function: rename_entry() + * + * Purpose: Rename the entry indicated old_idx to the entry indicated + * by new_idex. Touch up the data array so that flush will + * not choke. + * + * Do nothing if nerrors isn't zero, or if old_idx equals + * new_idx. + * + * Return: void + * + * Programmer: John Mainzer + * 1/10/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +void +rename_entry(H5C_t * cache_ptr, + H5F_t * file_ptr, + int32_t old_idx, + int32_t new_idx) +{ + const char * fcn_name = "rename_entry()"; + herr_t result; + int tmp; + hbool_t done = TRUE; /* will set to FALSE if we have work to do */ + haddr_t old_addr = HADDR_UNDEF; + haddr_t new_addr = HADDR_UNDEF; + struct datum * old_entry_ptr; + struct datum * new_entry_ptr; + + if ( ( nerrors == 0 ) && ( old_idx != new_idx ) ) { + + HDassert( cache_ptr ); + HDassert( file_ptr ); + HDassert( ( 0 <= old_idx ) && ( old_idx < NUM_DATA_ENTRIES ) ); + HDassert( ( 0 <= new_idx ) && ( new_idx < NUM_DATA_ENTRIES ) ); + + old_entry_ptr = &(data[old_idx]); + new_entry_ptr = &(data[new_idx]); + + HDassert( ((old_entry_ptr->header).type)->id == DATUM_ENTRY_TYPE ); + HDassert( !(old_entry_ptr->header.is_protected) ); + HDassert( !(old_entry_ptr->locked) ); + HDassert( old_entry_ptr->len == new_entry_ptr->len ); + + old_addr = old_entry_ptr->base_addr; + new_addr = new_entry_ptr->base_addr; + + result = H5AC_rename(file_ptr, &(types[0]), old_addr, new_addr); + + if ( ( result < 0 ) || ( old_entry_ptr->header.addr != new_addr ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5AC_rename() failed.\n", + world_mpi_rank, fcn_name); + } + + } else { + + HDassert( ((old_entry_ptr->header).type)->id == DATUM_ENTRY_TYPE ); + HDassert( old_entry_ptr->header.is_dirty ); + old_entry_ptr->dirty = TRUE; + + /* touch up versions, base_addrs, and data_index */ + + if ( old_entry_ptr->ver < new_entry_ptr->ver ) { + + old_entry_ptr->ver = new_entry_ptr->ver; + + } else { + + (old_entry_ptr->ver)++; + + } + + old_entry_ptr->base_addr = new_addr; + new_entry_ptr->base_addr = old_addr; + + data_index[old_entry_ptr->index] = new_idx; + data_index[new_entry_ptr->index] = old_idx; + + tmp = old_entry_ptr->index; + old_entry_ptr->index = new_entry_ptr->index; + new_entry_ptr->index = tmp; + } + } + + return; + +} /* rename_entry() */ + + +/***************************************************************************** + * + * Function: setup_cache_for_test() + * + * Purpose: Setup the parallel cache for a test, and return the file id + * and a pointer to the cache's internal data structures. + * + * To do this, we must create a file, flush it (so that we + * don't have to worry about entries in the metadata cache), + * look up the address of the metadata cache, and then instruct + * the cache to omit sanity checks on dxpl IDs. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 1/4/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +setup_cache_for_test(hid_t * fid_ptr, + H5F_t ** file_ptr_ptr, + H5C_t ** cache_ptr_ptr) +{ + const char * fcn_name = "setup_cache_for_test()"; + hbool_t success = FALSE; /* will set to TRUE if appropriate. */ + hbool_t enable_rpt_fcn = FALSE; + hid_t fid = -1; + H5AC_cache_config_t config; + H5F_t * file_ptr = NULL; + H5C_t * cache_ptr = NULL; + + HDassert ( fid_ptr != NULL ); + HDassert ( file_ptr_ptr != NULL ); + HDassert ( cache_ptr_ptr != NULL ); + + fid = H5Fcreate(filenames[0], H5F_ACC_TRUNC, H5P_DEFAULT, fapl); + + if ( fid < 0 ) { + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5Fcreate() failed.\n", + world_mpi_rank, fcn_name); + } + } else if ( H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0 ) { + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5Fflush() failed.\n", + world_mpi_rank, fcn_name); + } + } else { + file_ptr = H5I_object_verify(fid, H5I_FILE); + } + + if ( file_ptr == NULL ) { + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Can't get file_ptr.\n", + world_mpi_rank, fcn_name); + } + } else { + cache_ptr = file_ptr->shared->cache; + } + + if ( cache_ptr == NULL ) { + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Can't get cache_ptr.\n", + world_mpi_rank, fcn_name); + } + } else if ( cache_ptr->magic != H5C__H5C_T_MAGIC ) { + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Bad cache_ptr magic.\n", + world_mpi_rank, fcn_name); + } + } else { + *fid_ptr = fid; + *file_ptr_ptr = file_ptr; + *cache_ptr_ptr = cache_ptr; + H5C_set_skip_flags(cache_ptr, TRUE, TRUE); + H5C_stats__reset(cache_ptr); + success = TRUE; + } + + if ( ( success ) && ( enable_rpt_fcn ) ) { + + config.version = H5AC__CURR_CACHE_CONFIG_VERSION; + + if ( H5AC_get_cache_auto_resize_config(cache_ptr, &config) + != SUCCEED ) { + + HDfprintf(stdout, + "%d:%s: H5AC_get_cache_auto_resize_config() failed.\n", + world_mpi_rank, fcn_name); + + } else { + + config.rpt_fcn_enabled = TRUE; + + if ( H5AC_set_cache_auto_resize_config(cache_ptr, &config) + != SUCCEED ) { + + HDfprintf(stdout, + "%d:%s: H5AC_set_cache_auto_resize_config() failed.\n", + world_mpi_rank, fcn_name); + } else { + + HDfprintf(stdout, "%d:%s: rpt_fcn enabled.\n", + world_mpi_rank, fcn_name); + } + } + } + + return(success); + +} /* setup_cache_for_test() */ + + +/***************************************************************************** + * + * Function: setup_noblock_dxpl_id() + * + * Purpose: Setup the noblock_dxpl_id global. Increment nerrors if + * errors are detected. Do nothing if nerrors is non-zero + * on entry. + * + * Return: void. + * + * Programmer: JRM -- 1/5/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ +/* So far we haven't needed this, but that may change. + * Keep it around for now + */ +#if 0 +void +setup_noblock_dxpl_id(void) +{ + const char * fcn_name = "setup_noblock_dxpl_id()"; + H5P_genclass_t *xfer_pclass; /* Dataset transfer property list + * class object + */ + H5P_genplist_t *xfer_plist; /* Dataset transfer property list object */ + unsigned block_before_meta_write; /* "block before meta write" + * property value + */ + unsigned library_internal = 1; /* "library internal" property value */ + H5FD_mpio_xfer_t xfer_mode; /* I/O transfer mode property value */ + + /* Sanity check */ + HDassert(H5P_CLS_DATASET_XFER_g!=(-1)); + + /* Get the dataset transfer property list class object */ + if ( ( nerrors == 0 ) && + ( NULL == (xfer_pclass = H5I_object(H5P_CLS_DATASET_XFER_g)) ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: can't get property list class.\n", + world_mpi_rank, fcn_name); + } + } + + /* Get an ID for the non-blocking, collective H5AC dxpl */ + if ( ( nerrors == 0 ) && + ( (noblock_dxpl_id = H5P_create_id(xfer_pclass)) < 0 ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: can't register property list.\n", + world_mpi_rank, fcn_name); + } + } + + /* Get the property list object */ + if ( ( nerrors == 0 ) && + ( NULL == (xfer_plist = H5I_object(H5AC_noblock_dxpl_id)) ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: can't get new property list object.\n", + world_mpi_rank, fcn_name); + } + } + + /* Insert 'block before metadata write' property */ + block_before_meta_write=0; + if ( ( nerrors == 0 ) && + ( H5P_insert(xfer_plist, H5AC_BLOCK_BEFORE_META_WRITE_NAME, + H5AC_BLOCK_BEFORE_META_WRITE_SIZE, + &block_before_meta_write, + NULL, NULL, NULL, NULL, NULL, NULL) < 0 ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, + "%d:%s: can't insert metadata cache dxpl property 1.\n", + world_mpi_rank, fcn_name); + } + } + + /* Insert 'library internal' property */ + if ( ( nerrors == 0 ) && + ( H5P_insert(xfer_plist, H5AC_LIBRARY_INTERNAL_NAME, + H5AC_LIBRARY_INTERNAL_SIZE, &library_internal, + NULL, NULL, NULL, NULL, NULL, NULL ) < 0 ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, + "%d:%s: can't insert metadata cache dxpl property 2.\n", + world_mpi_rank, fcn_name); + } + } + + /* Set the transfer mode */ + xfer_mode = H5FD_MPIO_COLLECTIVE; + if ( ( nerrors == 0 ) && + ( H5P_set(xfer_plist, H5D_XFER_IO_XFER_MODE_NAME, &xfer_mode) < 0 ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: unable to set value.\n", world_mpi_rank, + fcn_name); + } + } + + return(success); + +} /* setup_noblock_dxpl_id() */ +#endif + + +/***************************************************************************** + * + * Function: setup_rand() + * + * Purpose: Use gettimeofday() to obtain a seed for rand(), print the + * seed to stdout, and then pass it to srand(). + * + * Increment nerrors if any errors are detected. + * + * Return: void. + * + * Programmer: JRM -- 1/12/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +void +setup_rand(void) +{ + const char * fcn_name = "setup_rand()"; + unsigned seed; + struct timeval tv; + struct timezone tz; + + if ( HDgettimeofday(&tv, &tz) != 0 ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: gettimeofday() failed.\n", + world_mpi_rank, fcn_name); + } + } else { + seed = (unsigned)tv.tv_usec; + HDfprintf(stdout, "%d:%s: seed = %d.\n", + world_mpi_rank, fcn_name, seed); + HDsrand(seed); + } + + return; + +} /* setup_rand() */ + + +/***************************************************************************** + * + * Function: take_down_cache() + * + * Purpose: Take down the parallel cache after a test. + * + * To do this, we must close the file, and delete if if + * possible. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 1/4/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +take_down_cache(hid_t fid) +{ + const char * fcn_name = "take_down_cache()"; + hbool_t success = FALSE; /* will set to TRUE if appropriate. */ + + /* close the file and delete it */ + if ( H5Fclose(fid) < 0 ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5Fclose() failed.\n", + world_mpi_rank, fcn_name); + } + + } else if ( world_mpi_rank == world_server_mpi_rank ) { + + if ( HDremove(filenames[0]) < 0 ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: HDremove() failed.\n", + world_mpi_rank, fcn_name); + } + } else { + + success = TRUE; + } + } else { + + success = TRUE; + } + + return(success); + +} /* take_down_cache() */ + + +/***************************************************************************** + * Function: unlock_entry() + * + * Purpose: Unprotect the entry indicated by the index. + * + * Do nothing if nerrors is non-zero on entry. + * + * Return: void + * + * Programmer: John Mainzer + * 1/4/06 + * + * Modifications: + * + *****************************************************************************/ + +void +unlock_entry(H5C_t * cache_ptr, + H5F_t * file_ptr, + int32_t idx, + unsigned int flags) +{ + const char * fcn_name = "unlock_entry()"; + herr_t dirtied; + herr_t result; + struct datum * entry_ptr; + + if ( nerrors == 0 ) { + + HDassert( cache_ptr ); + HDassert( file_ptr ); + HDassert( ( 0 <= idx ) && ( idx < NUM_DATA_ENTRIES ) ); + + entry_ptr = &(data[idx]); + + dirtied = ((flags & H5AC__DIRTIED_FLAG) == H5AC__DIRTIED_FLAG ); + + if ( dirtied ) { + + (entry_ptr->ver)++; + entry_ptr->dirty = TRUE; + } + + result = H5AC_unprotect(file_ptr, -1, &(types[0]), entry_ptr->base_addr, + (void *)(&(entry_ptr->header)), flags); + + if ( ( result < 0 ) || + ( entry_ptr->header.type != &(types[0]) ) || + ( entry_ptr->len != entry_ptr->header.size ) || + ( entry_ptr->base_addr != entry_ptr->header.addr ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: error in H5C_unprotect().\n", + world_mpi_rank, fcn_name); + } + } + + HDassert( ((entry_ptr->header).type)->id == DATUM_ENTRY_TYPE ); + + if ( ( flags & H5AC__DIRTIED_FLAG ) != 0 + && ( (flags & H5C__DELETED_FLAG) == 0 ) ) { + + HDassert( entry_ptr->header.is_dirty ); + HDassert( entry_ptr->dirty ); + } + } + + return; + +} /* unlock_entry() */ + + +/*****************************************************************************/ +/****************************** test functions *******************************/ +/*****************************************************************************/ + +/***************************************************************************** + * + * Function: server_smoke_check() + * + * Purpose: Quick smoke check for the server process. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 12/21/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +server_smoke_check(void) +{ + const char * fcn_name = "server_smoke_check()"; + hbool_t success = TRUE; + int max_nerrors; + struct mssg_t mssg; + + if ( world_mpi_rank == 0 ) { + + TESTING("server smoke check"); + } + + nerrors = 0; + init_data(); + + if ( world_mpi_rank == world_server_mpi_rank ) { + + if ( ! server_main() ) { + + /* some error occured in the server -- report failure */ + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: server_main() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + else /* run the clients */ + { + /* compose the write message */ + mssg.req = WRITE_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = data[world_mpi_rank].base_addr; + mssg.len = data[world_mpi_rank].len; + mssg.ver = ++(data[world_mpi_rank].ver); + mssg.magic = MSSG_MAGIC; + + if ( ! ( success = send_mssg(&mssg) ) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed on write.\n", + world_mpi_rank, fcn_name); + } + } + + /* compose the read message */ + mssg.req = READ_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = data[world_mpi_rank].base_addr; + mssg.len = data[world_mpi_rank].len; + mssg.ver = 0; /* bogus -- should be corrected by server */ + mssg.magic = MSSG_MAGIC; + + if ( success ) { + + success = send_mssg(&mssg); + + if ( ! success ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed on write.\n", + world_mpi_rank, fcn_name); + } + } + } + + /* try to receive the reply from the server */ + if ( success ) { + + success = recv_mssg(&mssg); + + if ( ! success ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: recv_mssg() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + /* verify that we got the expected result */ + if ( success ) { + + if ( ( mssg.req != READ_REQ_REPLY_CODE ) || + ( mssg.src != world_server_mpi_rank ) || + ( mssg.dest != world_mpi_rank ) || + ( mssg.base_addr != data[world_mpi_rank].base_addr ) || + ( mssg.len != data[world_mpi_rank].len ) || + ( mssg.ver != data[world_mpi_rank].ver ) || + ( mssg.magic != MSSG_MAGIC ) ) { + + success = FALSE; + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: Bad data in read req reply.\n", + world_mpi_rank, fcn_name); + } + } + } + + /* compose the done message */ + mssg.req = DONE_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = 0; /* not used */ + mssg.len = 0; /* not used */ + mssg.ver = 0; /* not used */ + mssg.magic = MSSG_MAGIC; + + if ( success ) { + + success = send_mssg(&mssg); + + if ( ! success ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed on done.\n", + world_mpi_rank, fcn_name); + } + } + } + } + + max_nerrors = get_max_nerrors(); + + if ( world_mpi_rank == 0 ) { + + if ( max_nerrors == 0 ) { + + PASSED(); + + } else { + + failures++; + H5_FAILED(); + } + } + + success = ( ( success ) && ( max_nerrors == 0 ) ); + + return(success); + +} /* server_smoke_check() */ + +/***************************************************************************** + * + * Function: smoke_check_1() + * + * Purpose: First smoke check for the parallel cache. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 1/4/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +smoke_check_1(void) +{ + const char * fcn_name = "smoke_check_1()"; + hbool_t success = TRUE; + int i; + int max_nerrors; + hid_t fid = -1; + H5F_t * file_ptr = NULL; + H5C_t * cache_ptr = NULL; + struct mssg_t mssg; + + if ( world_mpi_rank == 0 ) { + + TESTING("smoke check #1"); + } + + nerrors = 0; + init_data(); + + if ( world_mpi_rank == world_server_mpi_rank ) { + + if ( ! server_main() ) { + + /* some error occured in the server -- report failure */ + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: server_main() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + else /* run the clients */ + { + if ( ! setup_cache_for_test(&fid, &file_ptr, &cache_ptr) ) { + + nerrors++; + fid = -1; + cache_ptr = NULL; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: setup_cache_for_test() failed.\n", + world_mpi_rank, fcn_name); + } + } + + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i++ ) + { + insert_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + } + + for ( i = (NUM_DATA_ENTRIES / 2) - 1; i >= 0; i-- ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + } + + /* rename the first half of the entries... */ + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i++ ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + rename_entry(cache_ptr, file_ptr, i, (i + (NUM_DATA_ENTRIES / 2))); + } + + /* ...and then rename them back. */ + for ( i = (NUM_DATA_ENTRIES / 2) - 1; i >= 0; i-- ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + rename_entry(cache_ptr, file_ptr, i, (i + (NUM_DATA_ENTRIES / 2))); + } + + if ( fid >= 0 ) { + + if ( ! take_down_cache(fid) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: take_down_cache() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + /* verify that all instance of datum are back where the started + * and are clean. + */ + + for ( i = 0; i < NUM_DATA_ENTRIES; i++ ) + { + HDassert( data_index[i] == i ); + HDassert( ! (data[i].dirty) ); + } + + /* compose the done message */ + mssg.req = DONE_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = 0; /* not used */ + mssg.len = 0; /* not used */ + mssg.ver = 0; /* not used */ + mssg.magic = MSSG_MAGIC; + + if ( success ) { + + + success = send_mssg(&mssg); + + if ( ! success ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed on done.\n", + world_mpi_rank, fcn_name); + } + } + } + } + + max_nerrors = get_max_nerrors(); + + if ( world_mpi_rank == 0 ) { + + if ( max_nerrors == 0 ) { + + PASSED(); + + } else { + + failures++; + H5_FAILED(); + } + } + + success = ( ( success ) && ( max_nerrors == 0 ) ); + + return(success); + +} /* smoke_check_1() */ + + +/***************************************************************************** + * + * Function: smoke_check_2() + * + * Purpose: Second smoke check for the parallel cache. + * + * Introduce random reads, but keep all processes with roughly + * the same work load. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 1/12/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +smoke_check_2(void) +{ + const char * fcn_name = "smoke_check_2()"; + hbool_t success = TRUE; + int i; + int max_nerrors; + hid_t fid = -1; + H5F_t * file_ptr = NULL; + H5C_t * cache_ptr = NULL; + struct mssg_t mssg; + + if ( world_mpi_rank == 0 ) { + + TESTING("smoke check #2"); + } + + nerrors = 0; + init_data(); + + if ( world_mpi_rank == world_server_mpi_rank ) { + + if ( ! server_main() ) { + + /* some error occured in the server -- report failure */ + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: server_main() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + else /* run the clients */ + { + if ( ! setup_cache_for_test(&fid, &file_ptr, &cache_ptr) ) { + + nerrors++; + fid = -1; + cache_ptr = NULL; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: setup_cache_for_test() failed.\n", + world_mpi_rank, fcn_name); + } + } + + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i++ ) + { + insert_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + + if ( i > 100 ) { + + lock_and_unlock_random_entries(cache_ptr, file_ptr, + (i - 100), i, 0, 10); + } + } + + for ( i = (NUM_DATA_ENTRIES / 2) - 1; i >= 0; i-=2 ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + 0, (NUM_DATA_ENTRIES / 20), 0, 100); + } + + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i+=2 ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__DIRTIED_FLAG); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + 0, (NUM_DATA_ENTRIES / 10), 0, 100); + } + + /* rename the first half of the entries... */ + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i++ ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + rename_entry(cache_ptr, file_ptr, i, (i + (NUM_DATA_ENTRIES / 2))); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + 0, ((NUM_DATA_ENTRIES / 50) - 1), + 0, 100); + } + + /* ...and then rename them back. */ + for ( i = (NUM_DATA_ENTRIES / 2) - 1; i >= 0; i-- ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__DIRTIED_FLAG); + rename_entry(cache_ptr, file_ptr, i, (i + (NUM_DATA_ENTRIES / 2))); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + 0, (NUM_DATA_ENTRIES / 100), 0, 100); + } + + if ( fid >= 0 ) { + + if ( ! take_down_cache(fid) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: take_down_cache() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + /* verify that all instance of datum are back where the started + * and are clean. + */ + + for ( i = 0; i < NUM_DATA_ENTRIES; i++ ) + { + HDassert( data_index[i] == i ); + HDassert( ! (data[i].dirty) ); + } + + /* compose the done message */ + mssg.req = DONE_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = 0; /* not used */ + mssg.len = 0; /* not used */ + mssg.ver = 0; /* not used */ + mssg.magic = MSSG_MAGIC; + + if ( success ) { + + + success = send_mssg(&mssg); + + if ( ! success ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed on done.\n", + world_mpi_rank, fcn_name); + } + } + } + } + + max_nerrors = get_max_nerrors(); + + if ( world_mpi_rank == 0 ) { + + if ( max_nerrors == 0 ) { + + PASSED(); + + } else { + + failures++; + H5_FAILED(); + } + } + + success = ( ( success ) && ( max_nerrors == 0 ) ); + + return(success); + +} /* smoke_check_2() */ + + +/***************************************************************************** + * + * Function: smoke_check_3() + * + * Purpose: Third smoke check for the parallel cache. + * + * Use random reads to vary the loads on the diffferent + * processors. Also force different cache size adjustments. + * + * In this test, load process 0 heavily, and the other + * processes lightly. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 1/13/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +smoke_check_3(void) +{ + const char * fcn_name = "smoke_check_3()"; + hbool_t success = TRUE; + int i; + int max_nerrors; + int min_count; + int max_count; + int min_idx; + int max_idx; + hid_t fid = -1; + H5F_t * file_ptr = NULL; + H5C_t * cache_ptr = NULL; + struct mssg_t mssg; + + if ( world_mpi_rank == 0 ) { + + TESTING("smoke check #3"); + } + + nerrors = 0; + init_data(); + + if ( world_mpi_rank == world_server_mpi_rank ) { + + if ( ! server_main() ) { + + /* some error occured in the server -- report failure */ + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: server_main() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + else /* run the clients */ + { + if ( ! setup_cache_for_test(&fid, &file_ptr, &cache_ptr) ) { + + nerrors++; + fid = -1; + cache_ptr = NULL; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: setup_cache_for_test() failed.\n", + world_mpi_rank, fcn_name); + } + } + + + min_count = 100 / ((file_mpi_rank + 1) * (file_mpi_rank + 1)); + max_count = min_count + 50; + + for ( i = 0; i < (NUM_DATA_ENTRIES / 4); i++ ) + { + insert_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + + if ( i > 100 ) { + + lock_and_unlock_random_entries(cache_ptr, file_ptr, + (i - 100), i, + min_count, max_count); + } + } + + min_count = 100 / ((file_mpi_rank + 2) * (file_mpi_rank + 2)); + max_count = min_count + 50; + + for ( i = (NUM_DATA_ENTRIES / 4); i < (NUM_DATA_ENTRIES / 2); i++ ) + { + insert_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + + if ( i > 100 ) { + + lock_and_unlock_random_entries(cache_ptr, file_ptr, + (i - 100), i, + min_count, max_count); + } + } + + min_idx = 0; + max_idx = ((NUM_DATA_ENTRIES / 10) / + ((file_mpi_rank + 1) * (file_mpi_rank + 1))) - 1; + + for ( i = (NUM_DATA_ENTRIES / 2) - 1; i >= 0; i-=2 ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + min_idx, max_idx, 0, 100); + } + + min_idx = 0; + max_idx = ((NUM_DATA_ENTRIES / 10) / + ((file_mpi_rank + 3) * (file_mpi_rank + 3))) - 1; + + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i+=2 ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__DIRTIED_FLAG); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + min_idx, max_idx, 0, 100); + } + + min_count = 10 / (file_mpi_rank + 1); + max_count = min_count + 100; + + /* rename the first half of the entries... */ + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i++ ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + rename_entry(cache_ptr, file_ptr, i, (i + (NUM_DATA_ENTRIES / 2))); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + 0, (NUM_DATA_ENTRIES / 20), + min_count, max_count); + } + + /* ...and then rename them back. */ + for ( i = (NUM_DATA_ENTRIES / 2) - 1; i >= 0; i-- ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__DIRTIED_FLAG); + rename_entry(cache_ptr, file_ptr, i, (i + (NUM_DATA_ENTRIES / 2))); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + 0, (NUM_DATA_ENTRIES / 40), + min_count, max_count); + } + + /* finally, do some dirty lock/unlocks while we give the cache + * a chance t reduce its size. + */ + min_count = 200 / ((file_mpi_rank + 1) * (file_mpi_rank + 1)); + max_count = min_count + 100; + + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i+=2 ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__DIRTIED_FLAG); + + if ( i > 100 ) { + + lock_and_unlock_random_entries(cache_ptr, file_ptr, + (i - 100), i, + min_count, max_count); + } + } + + if ( fid >= 0 ) { + + if ( ! take_down_cache(fid) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: take_down_cache() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + /* verify that all instance of datum are back where the started + * and are clean. + */ + + for ( i = 0; i < NUM_DATA_ENTRIES; i++ ) + { + HDassert( data_index[i] == i ); + HDassert( ! (data[i].dirty) ); + } + + /* compose the done message */ + mssg.req = DONE_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = 0; /* not used */ + mssg.len = 0; /* not used */ + mssg.ver = 0; /* not used */ + mssg.magic = MSSG_MAGIC; + + if ( success ) { + + + success = send_mssg(&mssg); + + if ( ! success ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed on done.\n", + world_mpi_rank, fcn_name); + } + } + } + } + + max_nerrors = get_max_nerrors(); + + if ( world_mpi_rank == 0 ) { + + if ( max_nerrors == 0 ) { + + PASSED(); + + } else { + + failures++; + H5_FAILED(); + } + } + + success = ( ( success ) && ( max_nerrors == 0 ) ); + + return(success); + +} /* smoke_check_3() */ + + +/***************************************************************************** + * + * Function: smoke_check_4() + * + * Purpose: Fourth smoke check for the parallel cache. + * + * Use random reads to vary the loads on the diffferent + * processors. Also force different cache size adjustments. + * + * In this test, load process 0 lightly, and the other + * processes heavily. + * + * Return: Success: TRUE + * + * Failure: FALSE + * + * Programmer: JRM -- 1/13/06 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +hbool_t +smoke_check_4(void) +{ + const char * fcn_name = "smoke_check_4()"; + hbool_t success = TRUE; + int i; + int max_nerrors; + int min_count; + int max_count; + int min_idx; + int max_idx; + hid_t fid = -1; + H5F_t * file_ptr = NULL; + H5C_t * cache_ptr = NULL; + struct mssg_t mssg; + + if ( world_mpi_rank == 0 ) { + + TESTING("smoke check #4"); + } + + nerrors = 0; + init_data(); + + if ( world_mpi_rank == world_server_mpi_rank ) { + + if ( ! server_main() ) { + + /* some error occured in the server -- report failure */ + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: server_main() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + else /* run the clients */ + { + if ( ! setup_cache_for_test(&fid, &file_ptr, &cache_ptr) ) { + + nerrors++; + fid = -1; + cache_ptr = NULL; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: setup_cache_for_test() failed.\n", + world_mpi_rank, fcn_name); + } + } + + + min_count = 100 * file_mpi_rank; + max_count = min_count + 50; + + for ( i = 0; i < (NUM_DATA_ENTRIES / 4); i++ ) + { + insert_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + + if ( i > 100 ) { + + lock_and_unlock_random_entries(cache_ptr, file_ptr, + (i - 100), i, + min_count, max_count); + } + } + + min_count = 10 * file_mpi_rank; + max_count = min_count + 100; + + for ( i = (NUM_DATA_ENTRIES / 4); i < (NUM_DATA_ENTRIES / 2); i++ ) + { + insert_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + + if ( i > 100 ) { + + lock_and_unlock_random_entries(cache_ptr, file_ptr, + (i - 100), i, + min_count, max_count); + } + } + + min_idx = 0; + max_idx = (((NUM_DATA_ENTRIES / 10) / 4) * + ((file_mpi_rank % 4) + 1)) - 1; + + for ( i = (NUM_DATA_ENTRIES / 2) - 1; i >= 0; i-=2 ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + min_idx, max_idx, 0, 100); + } + + min_idx = 0; + max_idx = (((NUM_DATA_ENTRIES / 10) / 8) * + ((file_mpi_rank % 4) + 1)) - 1; + + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i+=2 ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__DIRTIED_FLAG); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + min_idx, max_idx, 0, 100); + } + + min_count = 10 * file_mpi_rank; + max_count = min_count + 100; + + /* rename the first half of the entries... */ + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i++ ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__NO_FLAGS_SET); + rename_entry(cache_ptr, file_ptr, i, (i + (NUM_DATA_ENTRIES / 2))); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + 0, (NUM_DATA_ENTRIES / 20), + min_count, max_count); + } + + /* ...and then rename them back. */ + for ( i = (NUM_DATA_ENTRIES / 2) - 1; i >= 0; i-- ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__DIRTIED_FLAG); + rename_entry(cache_ptr, file_ptr, i, (i + (NUM_DATA_ENTRIES / 2))); + lock_and_unlock_random_entries(cache_ptr, file_ptr, + 0, (NUM_DATA_ENTRIES / 40), + min_count, max_count); + } + + /* finally, do some dirty lock/unlocks while we give the cache + * a chance t reduce its size. + */ + min_count = 100 * file_mpi_rank; + max_count = min_count + 100; + + for ( i = 0; i < (NUM_DATA_ENTRIES / 2); i+=2 ) + { + lock_entry(cache_ptr, file_ptr, i); + unlock_entry(cache_ptr, file_ptr, i, H5AC__DIRTIED_FLAG); + + if ( i > 100 ) { + + lock_and_unlock_random_entries(cache_ptr, file_ptr, + (i - 100), i, + min_count, max_count); + } + } + + if ( fid >= 0 ) { + + if ( ! take_down_cache(fid) ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: take_down_cache() failed.\n", + world_mpi_rank, fcn_name); + } + } + } + + /* verify that all instance of datum are back where the started + * and are clean. + */ + + for ( i = 0; i < NUM_DATA_ENTRIES; i++ ) + { + HDassert( data_index[i] == i ); + HDassert( ! (data[i].dirty) ); + } + + /* compose the done message */ + mssg.req = DONE_REQ_CODE; + mssg.src = world_mpi_rank; + mssg.dest = world_server_mpi_rank; + mssg.mssg_num = -1; /* set by send function */ + mssg.base_addr = 0; /* not used */ + mssg.len = 0; /* not used */ + mssg.ver = 0; /* not used */ + mssg.magic = MSSG_MAGIC; + + if ( success ) { + + + success = send_mssg(&mssg); + + if ( ! success ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: send_mssg() failed on done.\n", + world_mpi_rank, fcn_name); + } + } + } + } + + max_nerrors = get_max_nerrors(); + + if ( world_mpi_rank == 0 ) { + + if ( max_nerrors == 0 ) { + + PASSED(); + + } else { + + failures++; + H5_FAILED(); + } + } + + success = ( ( success ) && ( max_nerrors == 0 ) ); + + return(success); + +} /* smoke_check_4() */ + + +/***************************************************************************** + * + * Function: main() + * + * Purpose: Main function for the parallel cache test. + * + * Return: Success: 0 + * + * Failure: 1 + * + * Programmer: JRM -- 12/23/05 + * + * Modifications: + * + * None. + * + *****************************************************************************/ + +int +main(int argc, char **argv) +{ + const char * fcn_name = "main()"; + int i; + int mpi_size; + int mpi_rank; + int ret_code; + int max_nerrors; + + MPI_Init(&argc, &argv); + MPI_Comm_size(MPI_COMM_WORLD, &mpi_size); + MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank); + + world_mpi_size = mpi_size; + world_mpi_rank = mpi_rank; + world_server_mpi_rank = mpi_size - 1; + world_mpi_comm = MPI_COMM_WORLD; + + H5open(); + + if (MAINPROCESS){ + printf("===================================\n"); + printf("Parallel metadata cache tests\n"); + printf(" mpi_size = %d\n", mpi_size); + printf("===================================\n"); + } + + if ( mpi_size < 3 ) { + + if ( MAINPROCESS ) { + + printf(" Need at least 3 processes. Exiting.\n"); + } + goto finish; + } + + set_up_file_communicator(); + + setup_derived_types(); + + /* h5_fixname() will hang some processes don't participate. + * + * Thus we set up the fapl global with the world communicator, + * make our calls to h5_fixname(), discard the fapl, and then + * create it again with the file communicator. + */ + + /* setup file access property list with the world communicator */ + if ( FAIL == (fapl = H5Pcreate(H5P_FILE_ACCESS)) ) { + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5Pcreate() failed 1.\n", + world_mpi_rank, fcn_name); + } + } + + if ( H5Pset_fapl_mpio(fapl, world_mpi_comm, MPI_INFO_NULL) < 0 ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5Pset_fapl_mpio() failed 1.\n", + world_mpi_rank, fcn_name); + } + } + + /* fix the file names */ + for ( i = 0; i < sizeof(FILENAME) / sizeof(FILENAME[0]) - 1; ++i ) + { + if ( h5_fixname(FILENAME[i], fapl, filenames[i], + sizeof(filenames[i])) == NULL ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: h5_fixname() failed.\n", + world_mpi_rank, fcn_name); + } + break; + } + } + + /* close the fapl before we set it up again */ + if ( H5Pclose(fapl) < 0 ) { + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5Pclose() failed.\n", + world_mpi_rank, fcn_name); + } + } + + /* now create the fapl again, excluding the server process. */ + if ( world_mpi_rank != world_server_mpi_rank ) { + + /* setup file access property list */ + if ( FAIL == (fapl = H5Pcreate(H5P_FILE_ACCESS)) ) { + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5Pcreate() failed 2.\n", + world_mpi_rank, fcn_name); + } + } + + if ( H5Pset_fapl_mpio(fapl, file_mpi_comm, MPI_INFO_NULL) < 0 ) { + + nerrors++; + if ( verbose ) { + HDfprintf(stdout, "%d:%s: H5Pset_fapl_mpio() failed 2.\n", + world_mpi_rank, fcn_name); + } + } + } + + setup_rand(); + + max_nerrors = get_max_nerrors(); + + if ( max_nerrors != 0 ) { + + /* errors in setup -- no point in continuing */ + + if ( world_mpi_rank == 0 ) { + + HDfprintf(stdout, "Errors in test initialization. Exiting.\n"); + } + goto finish; + } + + /* run the tests */ +#if 1 + server_smoke_check(); + smoke_check_1(); +#endif +#if 1 + smoke_check_2(); +#endif +#if 1 + smoke_check_3(); +#endif +#if 1 + smoke_check_4(); +#endif + +finish: + /* make sure all processes are finished before final report, cleanup + * and exit. + */ + MPI_Barrier(MPI_COMM_WORLD); + if (MAINPROCESS){ /* only process 0 reports */ + printf("===================================\n"); + if (failures){ + printf("***metadata cache tests detected %d failures***\n", + failures); + } + else{ + printf("metadata cache tests finished with no failures\n"); + } + printf("===================================\n"); + } + + /* close HDF5 library */ + H5close(); + + /* MPI_Finalize must be called AFTER H5close which may use MPI calls */ + MPI_Finalize(); + + /* cannot just return (failures) because exit code is limited to 1byte */ + return(failures != 0); +} + |