darshan-convert.c 10.3 KB
Newer Older
1
/*
2
3
4
 * Copyright (C) 2015 University of Chicago.
 * See COPYRIGHT notice in top-level directory.
 *
5
6
7
8
9
10
11
12
13
14
15
16
17
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <zlib.h>
#include <time.h>
#include <stdlib.h>
#include <getopt.h>
#include <assert.h>
18
#include <errno.h>
19
20
21

#include "darshan-logutils.h"

22
23
#define DEF_MOD_BUF_SIZE 1024 /* 1 KiB is enough for all current mod records ... */

24
extern uint32_t darshan_hashlittle(const void *key, size_t length, uint32_t initval);
25
26
27
28
29
30

int usage (char *exename)
{
    fprintf(stderr, "Usage: %s [options] <infile> <outfile>\n", exename);
    fprintf(stderr, "       Converts darshan log from infile to outfile.\n");
    fprintf(stderr, "       rewrites the log file into the newest format.\n");
31
    fprintf(stderr, "       --bzip2 Use bzip2 compression instead of zlib.\n");
32
    fprintf(stderr, "       --obfuscate Obfuscate items in the log.\n");
33
34
    fprintf(stderr, "       --key <key> Key to use when obfuscating.\n");
    fprintf(stderr, "       --annotate <string> Additional metadata to add.\n");
35
    fprintf(stderr, "       --file <hash> Limit output to specified (hashed) file only.\n");
36
    fprintf(stderr, "       --reset-md Reset old metadata during conversion.\n");
37
38
39
40

    exit(1);
}

41
void parse_args (int argc, char **argv, char **infile, char **outfile,
42
43
                 int *bzip2, int *obfuscate, int *reset_md, int *key,
                 char **annotate, uint64_t* hash)
44
45
{
    int index;
46
47
    int ret;

48
49
    static struct option long_opts[] =
    {
50
        {"bzip2", 0, NULL, 'b'},
51
        {"annotate", 1, NULL, 'a'},
52
        {"obfuscate", 0, NULL, 'o'},
53
        {"reset-md", 0, NULL, 'r'},
54
        {"key", 1, NULL, 'k'},
55
        {"file", 1, NULL, 'f'},
56
57
        {"help",  0, NULL, 0},
        { 0, 0, 0, 0 }
58
59
    };

60
    *bzip2 = 0;
61
    *obfuscate = 0;
62
    *reset_md = 0;
63
    *key = 0;
64
65
    *hash = 0;

66
67
68
69
70
71
72
73
    while(1)
    {
        int c = getopt_long(argc, argv, "", long_opts, &index);

        if (c == -1) break;

        switch(c)
        {
74
75
76
            case 'b':
                *bzip2 = 1;
                break;
77
78
79
            case 'a':
                *annotate = optarg;
                break;
80
81
82
            case 'o':
                *obfuscate = 1;
                break;
83
84
85
            case 'r':
                *reset_md = 1;
                break;
86
87
88
            case 'k':
                *key = atoi(optarg);
                break;
89
90
91
92
93
            case 'f':
                ret = sscanf(optarg, "%" PRIu64, hash);
                if(ret != 1)
                    usage(argv[0]);
                break;
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
            case 0:
            case '?':
            default:
                usage(argv[0]);
                break;
        }
    }

    if (optind + 2 == argc)
    {
        *infile = argv[optind];
        *outfile = argv[optind+1];
    }
    else
    {
        usage(argv[0]);
    }

    return;
}

115
116
117
118
119
120
static void reset_md_job(struct darshan_job *job)
{
    job->metadata[0] = '\0';
    return;
}

121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
void obfuscate_job(int key, struct darshan_job *job)
{
    job->uid   = (int64_t) darshan_hashlittle(&job->uid, sizeof(job->uid), key);
    if (job->jobid != 0)
    {
        job->jobid = (int64_t) darshan_hashlittle(&job->jobid, sizeof(job->jobid), key);
    }

    return;
}

void obfuscate_exe(int key, char *exe)
{
    uint32_t hashed;

    hashed = darshan_hashlittle(exe, strlen(exe), key);
    memset(exe, 0, strlen(exe));
    sprintf(exe, "%u", hashed);

    return;
}

143
void obfuscate_filenames(int key, struct darshan_record_ref *rec_hash)
144
{
145
    struct darshan_record_ref *ref, *tmp;
146
    uint32_t hashed;
147
    char tmp_string[32];
148

149
150
151
152
153
154
155
156
157
    HASH_ITER(hlink, rec_hash, ref, tmp)
    {
        hashed = darshan_hashlittle(ref->rec.name, strlen(ref->rec.name), key);
        sprintf(tmp_string, "%u", hashed);
        free(ref->rec.name);
        ref->rec.name = malloc(strlen(tmp_string));
        assert(ref->rec.name);
        memcpy(ref->rec.name, tmp_string, strlen(tmp_string));
    }
158
159
160
161

    return;
}

162
163
164
165
166
void add_annotation (char *annotation,
                     struct darshan_job *job)
{
    char *token;
    char *save;
167
    int len;
168
    
169
170
171
172
173
174
175
176
177
178
179
    /* check for newline in existing metadata, insert if needed */
    len = strlen(job->metadata);
    if(len > 0 && len < sizeof(job->metadata))
    {
        if(job->metadata[len-1] != '\n')
        {
            job->metadata[len] = '\n';
            job->metadata[len+1] = '\0';
        }
    }

180
181
    /* determine remaining space in metadata string */
    int remaining = sizeof(job->metadata) - strlen(job->metadata);
182
183
184
185
186

    for(token=strtok_r(annotation, "\t", &save);
        token != NULL;
        token=strtok_r(NULL, "\t", &save))
    {
187
188
189
190
191
192
193
194
195
196
        if ((strlen(token)+1) < remaining)
        {
            strcat(job->metadata, token);
            strcat(job->metadata, "\n");
            remaining -= (strlen(token)+1);
        }
        else
        {
            fprintf(stderr,
                    "not enough space left in metadata for: current=%s token=%s (remain=%d:need=%d)\n",
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
                    job->metadata, token, remaining-1, (int)strlen(token)+1);
        }
    }

    return;
}

static void remove_hash_recs(struct darshan_record_ref **rec_hash, darshan_record_id hash)
{
    struct darshan_record_ref *ref, *tmp;

    HASH_ITER(hlink, *rec_hash, ref, tmp)
    {
        if(ref->rec.id != hash)
        {
            HASH_DELETE(hlink, *rec_hash, ref);
            free(ref->rec.name);
            free(ref);
215
        }
216
217
218
219
220
    }

    return;
}

221
222
223
224
225
226
int main(int argc, char **argv)
{
    int ret;
    char *infile_name;
    char *outfile_name;
    struct darshan_job job;
227
    char tmp_string[4096] = {0};
228
229
230
231
232
    darshan_fd infile;
    darshan_fd outfile;
    int i;
    int mount_count;
    char** mnt_pts;
233
    char** fs_types;
234
235
    struct darshan_record_ref *rec_hash = NULL;
    struct darshan_record_ref *ref, *tmp;
236
    char mod_buf[DEF_MOD_BUF_SIZE];
237
    enum darshan_comp_type comp_type;
238
239
240
    int bzip2;
    int obfuscate;
    int key;
241
    char *annotation = NULL;
242
243
    darshan_record_id hash;
    int reset_md;
244

245
246
    parse_args(argc, argv, &infile_name, &outfile_name, &bzip2, &obfuscate,
               &reset_md, &key, &annotation, &hash);
247

248
    infile = darshan_log_open(infile_name);
249
250
251
    if(!infile)
        return(-1);
 
252
253
    comp_type = bzip2 ? comp_type = DARSHAN_BZIP2_COMP : DARSHAN_ZLIB_COMP;
    outfile = darshan_log_create(outfile_name, comp_type);
254
255
    if(!outfile)
    {
256
257
258
259
        darshan_log_close(infile);
        return(-1);
    }

260
261
262
263
264
    /* read job info */
    ret = darshan_log_getjob(infile, &job);
    if(ret < 0)
    {
        darshan_log_close(infile);
265
        darshan_log_close(outfile);
266
        unlink(outfile_name);
267
268
269
        return(-1);
    }

270
    if (reset_md) reset_md_job(&job);
271
    if (obfuscate) obfuscate_job(key, &job);
272
    if (annotation) add_annotation(annotation, &job);
273

274
275
276
    ret = darshan_log_putjob(outfile, &job);
    if (ret < 0)
    {
277
        darshan_log_close(infile);
278
279
280
281
        darshan_log_close(outfile);
        return(-1);
    }

282
    ret = darshan_log_getexe(infile, tmp_string);
283
284
285
    if(ret < 0)
    {
        darshan_log_close(infile);
286
        darshan_log_close(outfile);
287
        unlink(outfile_name);
288
289
        return(-1);
    }
290

291
292
    if (obfuscate) obfuscate_exe(key, tmp_string);

293
294
295
    ret = darshan_log_putexe(outfile, tmp_string);
    if(ret < 0)
    {
296
        darshan_log_close(infile);
297
298
299
        darshan_log_close(outfile);
        return(-1);
    }
300
301

    ret = darshan_log_getmounts(infile, &mnt_pts, &fs_types, &mount_count);
302
303
304
    if(ret < 0)
    {
        darshan_log_close(infile);
305
        darshan_log_close(outfile);
306
        unlink(outfile_name);
307
308
309
        return(-1);
    }

310
    ret = darshan_log_putmounts(outfile, mnt_pts, fs_types, mount_count);
311
312
    if(ret < 0)
    {
313
        darshan_log_close(infile);
314
315
316
317
        darshan_log_close(outfile);
        return(-1);
    }

318
    ret = darshan_log_gethash(infile, &rec_hash);
319
320
    if(ret < 0)
    {
321
322
        darshan_log_close(infile);
        darshan_log_close(outfile);
323
        unlink(outfile_name);
324
        return(-1);
325
    }
326

327
328
329
330
331
332
    /* NOTE: obfuscating filepaths breaks the ability to map files
     * to the corresponding FS & mount info maintained by darshan
     */
    if(obfuscate) obfuscate_filenames(key, rec_hash);
    if(hash) remove_hash_recs(&rec_hash, hash);

333
334
    ret = darshan_log_puthash(outfile, rec_hash);
    if(ret < 0)
335
    {
336
337
338
        darshan_log_close(infile);
        darshan_log_close(outfile);
        return(-1);
339
340
    }

341
    /* loop over each module and convert it's data to the new format */
342
    for(i=0; i<DARSHAN_MAX_MODS; i++)
343
    {
344
345
        darshan_record_id rec_id;

346
        /* check each module for any data */
347
        if(infile->mod_map[i].len == 0)
348
            continue;
349
        else if(!mod_logutils[i])
350
351
        {
            fprintf(stderr, "Warning: no log utility handlers defined "
352
                "for module %s, SKIPPING.\n", darshan_module_names[i]);
353
354
355
            continue;
        }

356
        /* we have module data to convert */
357
        memset(mod_buf, 0, DEF_MOD_BUF_SIZE);
358

359
360
        ret = mod_logutils[i]->log_get_record(infile, mod_buf, &rec_id);
        if(ret != 1)
361
        {
362
            fprintf(stderr, "Error: failed to parse the first %s module record.\n",
363
364
365
                darshan_module_names[i]);
            darshan_log_close(infile);
            darshan_log_close(outfile);
366
            unlink(outfile_name);
367
368
            return(-1);
        }
369

370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
        /* loop over each of the module's records and convert */
        do
        {
            if(!hash || hash == rec_id)
            {
                ret = mod_logutils[i]->log_put_record(outfile, mod_buf);
                if(ret < 0)
                {
                    darshan_log_close(infile);
                    darshan_log_close(outfile);
                    return(-1);
                }

                memset(mod_buf, 0, DEF_MOD_BUF_SIZE);
            }
        } while((ret = mod_logutils[i]->log_get_record(infile, mod_buf, &rec_id)) == 1);
386
387
388
389
390
    }

    darshan_log_close(infile);
    darshan_log_close(outfile);

391
392
393
394
395
396
397
398
399
400
    for(i=0; i<mount_count; i++)
    {
        free(mnt_pts[i]);
        free(fs_types[i]);
    }
    if(mount_count > 0)
    {
        free(mnt_pts);
        free(fs_types);
    }
401
402
403
404
405
406
407
408

    HASH_ITER(hlink, rec_hash, ref, tmp)
    {
        HASH_DELETE(hlink, rec_hash, ref);
        free(ref->rec.name);
        free(ref);
    }

409
    return(ret);
410
411
}

412
413
414
415
416
417
418
419
/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 * End:
 *
 * vim: ts=8 sts=4 sw=4 expandtab
 */