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/*
* Copyright 2001, 2002, 2003 David Mansfield and Cobite, Inc.
* See COPYING file for license information
*/
#include <stdio.h>
#include <string.h>
#include <search.h>
#include <cbtcommon/hash.h>
#include "cvsps_types.h"
#include "cvsps.h"
static unsigned int num_patch_sets = 0;
static unsigned int num_ps_member = 0, max_ps_member_in_ps = 0;
static unsigned int num_authors = 0, max_author_len = 0, total_author_len = 0;
static unsigned int max_descr_len = 0, total_descr_len = 0;
struct hash_table *author_hash;
static void count_hash(struct hash_table *hash, unsigned int *total,
unsigned int *max_val)
{
int counter = 0;
struct hash_entry *fh;
reset_hash_iterator(hash);
while ((fh = next_hash_entry(hash)))
counter++;
*total += counter;
*max_val= MAX(*max_val, counter);
}
static void stat_ps_tree_node(const void * nodep, const VISIT which, const int depth)
{
int desc_len;
PatchSet * ps;
struct list_head * next;
int counter;
void * old;
/* Make sure we have it if we do statistics */
if (!author_hash)
author_hash = create_hash_table(1023);
switch(which)
{
case postorder:
case leaf:
ps = *(PatchSet**)nodep;
num_patch_sets++;
old = NULL;
/* Author statistics */
if (put_hash_object_ex(author_hash, ps->author, ps->author, HT_NO_KEYCOPY, NULL, &old) >= 0 && !old)
{
int len = strlen(ps->author);
num_authors++;
max_author_len = MAX(max_author_len, len);
total_author_len += len;
}
/* Log message statistics */
desc_len = strlen(ps->descr);
max_descr_len = MAX(max_descr_len, desc_len);
total_descr_len += desc_len;
/* PatchSet member statistics */
counter = 0;
next = ps->members.next;
while (next != &ps->members)
{
counter++;
next = next->next;
}
num_ps_member += counter;
max_ps_member_in_ps = MAX(max_ps_member_in_ps, counter);
break;
default:
break;
}
}
void print_statistics(void * ps_tree)
{
/* Statistics data */
unsigned int num_files = 0, max_file_len = 0, total_file_len = 0;
unsigned int total_revisions = 0, max_revisions_for_file = 0;
unsigned int total_branches = 0, max_branches_for_file = 0;
unsigned int total_branches_sym = 0, max_branches_sym_for_file = 0;
/* Other vars */
struct hash_entry *he;
printf("Statistics:\n");
fflush(stdout);
/* Gather file statistics */
reset_hash_iterator(file_hash);
while ((he=next_hash_entry(file_hash)))
{
int len = strlen(he->he_key);
CvsFile *file = (CvsFile *)he->he_obj;
num_files++;
max_file_len = MAX(max_file_len, len);
total_file_len += len;
count_hash(file->revisions, &total_revisions, &max_revisions_for_file);
count_hash(file->branches, &total_branches, &max_branches_for_file);
count_hash(file->branches_sym, &total_branches_sym,
&max_branches_sym_for_file);
}
/* Print file statistics */
printf("Num files: %d\nMax filename len: %d, Average filename len: %.2f\n",
num_files, max_file_len, (float)total_file_len/num_files);
printf("Max revisions for file: %d, Average revisions for file: %.2f\n",
max_revisions_for_file, (float)total_revisions/num_files);
printf("Max branches for file: %d, Average branches for file: %.2f\n",
max_branches_for_file, (float)total_branches/num_files);
printf("Max branches_sym for file: %d, Average branches_sym for file: %.2f\n",
max_branches_sym_for_file, (float)total_branches_sym/num_files);
/* Gather patchset statistics */
twalk(ps_tree, stat_ps_tree_node);
/* Print patchset statistics */
printf("Num patchsets: %d\n", num_patch_sets);
printf("Max PS members in PS: %d\nAverage PS members in PS: %.2f\n",
max_ps_member_in_ps, (float)num_ps_member/num_patch_sets);
printf("Num authors: %d, Max author len: %d, Avg. author len: %.2f\n",
num_authors, max_author_len, (float)total_author_len/num_authors);
printf("Max desc len: %d, Avg. desc len: %.2f\n",
max_descr_len, (float)total_descr_len/num_patch_sets);
}
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