darshan-convert.c 7.8 KB
Newer Older
1
/*
Kevin Harms's avatar
Kevin Harms committed
2
 *  (C) 2011 by Argonne National Laboratory.
3 4 5 6 7 8 9 10 11 12 13 14 15 16
 *      See COPYRIGHT in top-level directory.
 */

#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>
17
#include <errno.h>
18 19 20

#include "darshan-logutils.h"

21
extern uint32_t darshan_hashlittle(const void *key, size_t length, uint32_t initval);
22 23 24 25 26 27

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");
28
    fprintf(stderr, "       --obfuscate Obfuscate items in the log.\n");
29 30
    fprintf(stderr, "       --key <key> Key to use when obfuscating.\n");
    fprintf(stderr, "       --annotate <string> Additional metadata to add.\n");
31
    fprintf(stderr, "       --file <hash> Limit output to specified (hashed) file only.\n");
32 33 34 35

    exit(1);
}

36
void parse_args (int argc, char **argv, char **infile, char **outfile,
37
                 int *obfuscate, int *key, char **annotate, uint64_t* hash)
38 39
{
    int index;
40 41
    int ret;

42 43
    static struct option long_opts[] =
    {
44
        {"annotate", 1, NULL, 'a'},
45 46
        {"obfuscate", 0, NULL, 'o'},
        {"key", 1, NULL, 'k'},
47
        {"file", 1, NULL, 'f'},
48 49
        {"help",  0, NULL, 0},
        { 0, 0, 0, 0 }
50 51
    };

52 53
    *hash = 0;

54 55 56 57 58 59 60 61
    while(1)
    {
        int c = getopt_long(argc, argv, "", long_opts, &index);

        if (c == -1) break;

        switch(c)
        {
62 63 64
            case 'a':
                *annotate = optarg;
                break;
65 66 67 68 69 70
            case 'o':
                *obfuscate = 1;
                break;
            case 'k':
                *key = atoi(optarg);
                break;
71 72 73 74 75
            case 'f':
                ret = sscanf(optarg, "%" PRIu64, hash);
                if(ret != 1)
                    usage(argv[0]);
                break;
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96
            case 0:
            case '?':
            default:
                usage(argv[0]);
                break;
        }
    }

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

    return;
}

97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
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;
}

void obfuscate_file(int key, struct darshan_file *file)
{
    uint32_t hashed;

    hashed = darshan_hashlittle(file->name_suffix, sizeof(file->name_suffix), key);
    memset(file->name_suffix, 0, sizeof(file->name_suffix));
    sprintf(file->name_suffix, "%u", hashed);

    return;
}

130 131 132 133 134
void add_annotation (char *annotation,
                     struct darshan_job *job)
{
    char *token;
    char *save;
135 136 137
    
    /* determine remaining space in metadata string */
    int remaining = sizeof(job->metadata) - strlen(job->metadata);
138 139 140 141 142

    for(token=strtok_r(annotation, "\t", &save);
        token != NULL;
        token=strtok_r(NULL, "\t", &save))
    {
143 144 145 146 147 148 149 150 151 152 153 154
        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",
                    job->metadata, token, remaining-1, strlen(token)+1);
        }
155 156 157 158 159
    }

    return;
}

160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175
int main(int argc, char **argv)
{
    int ret;
    char *infile_name;
    char *outfile_name;
    struct darshan_job job;
    struct darshan_file cp_file;
    char tmp_string[1024];
    darshan_fd infile;
    darshan_fd outfile;
    int i;
    int mount_count;
    int64_t* devs;
    char** mnt_pts;
    char** fs_types;
    int last_rank = 0;
176 177
    int obfuscate = 0;
    int key = 0;
178
    char *annotation = NULL;
179
    uint64_t hash;
180

181
    parse_args(argc, argv, &infile_name, &outfile_name, &obfuscate, &key, &annotation, &hash);
182 183 184 185

    infile = darshan_log_open(infile_name, "r");
    if(!infile)
    {
186
        fprintf(stderr, "darshan_log_open() failed to open %s\n.", infile_name);
187 188 189 190 191 192 193 194 195
        return(-1);
    }
 
    /* TODO: safety check that outfile_name doesn't exist; we don't want to
     * overwrite something by accident.
     */
    outfile = darshan_log_open(outfile_name, "w");
    if(!outfile)
    {
196
        fprintf(stderr, "darshan_log_open() failed to open %s\n.", outfile_name);
197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213
        return(-1);
    }

    /* TODO: for now this tool is just reading the input file and throwing
     * away the data.  Need to write the log_put*() functions and use this
     * program as a test harness
     */
  
    /* read job info */
    ret = darshan_log_getjob(infile, &job);
    if(ret < 0)
    {
        fprintf(stderr, "Error: unable to read job information from log file.\n");
        darshan_log_close(infile);
        return(-1);
    }

214
    if (obfuscate) obfuscate_job(key, &job);
215
    if (annotation) add_annotation(annotation, &job);
216

217 218 219 220 221 222 223 224
    ret = darshan_log_putjob(outfile, &job);
    if (ret < 0)
    {
        fprintf(stderr, "Error: unable to write job information to log file.\n");
        darshan_log_close(outfile);
        return(-1);
    }

225
    ret = darshan_log_getexe(infile, tmp_string);
226 227 228 229 230 231
    if(ret < 0)
    {
        fprintf(stderr, "Error: unable to read trailing job information.\n");
        darshan_log_close(infile);
        return(-1);
    }
232

233 234
    if (obfuscate) obfuscate_exe(key, tmp_string);

235 236 237 238 239 240 241
    ret = darshan_log_putexe(outfile, tmp_string);
    if(ret < 0)
    {
        fprintf(stderr, "Error: unable to write trailing job information.\n");
        darshan_log_close(outfile);
        return(-1);
    }
242
   
243
    ret = darshan_log_getmounts(infile, &devs, &mnt_pts, &fs_types, &mount_count);
244 245 246 247 248 249 250
    if(ret < 0)
    {
        fprintf(stderr, "Error: unable to read trailing job information.\n");
        darshan_log_close(infile);
        return(-1);
    }

251 252 253 254 255 256 257 258
    ret = darshan_log_putmounts(outfile, devs, mnt_pts, fs_types, mount_count);
    if(ret < 0)
    {
        fprintf(stderr, "Error: unable to write mount information.\n");
        darshan_log_close(outfile);
        return(-1);
    }

259 260 261 262 263 264 265
    ret = darshan_log_getfile(infile, &job, &cp_file);
    if(ret < 0)
    {
        fprintf(stderr, "Error: failed to process log file.\n");
        fflush(stderr);
    }
    if(ret == 0)
266
    {
267
        goto done;
268 269
    }

270
    do
271 272 273 274 275 276 277 278 279
    {
        if(cp_file.rank != -1 && cp_file.rank < last_rank)
        {
            fprintf(stderr, "Error: log file contains out of order rank data.\n");
            fflush(stderr);
            return(-1);
        }
        if(cp_file.rank != -1)
            last_rank = cp_file.rank;
280

281
        if(!hash || hash == cp_file.hash)
282
        {
283 284 285 286 287 288 289 290
            if (obfuscate) obfuscate_file(key, &cp_file);

            ret = darshan_log_putfile(outfile, &job, &cp_file);
            if (ret < 0)
            {
                fprintf(stderr, "Error: failed to write file record.\n");
                break;
            }
291
        }
292
    } while((ret = darshan_log_getfile(infile, &job, &cp_file)) == 1);
293 294 295

    if(ret < 0)
    {
296
        fprintf(stderr, "Error: failed to process log file.\n");
297 298 299
        fflush(stderr);
    }

300
done:
301 302 303 304 305 306 307 308 309 310 311 312 313 314 315
    for(i=0; i<mount_count; i++)
    {
        free(mnt_pts[i]);
        free(fs_types[i]);
    }
    if(mount_count > 0)
    {
        free(devs);
        free(mnt_pts);
        free(fs_types);
    }
 
    darshan_log_close(infile);
    darshan_log_close(outfile);

316
    return(ret);
317 318
}

319