1 /*****************************************************************************
2 * RRDtool 1.0.33 Copyright Tobias Oetiker, 1997 - 2000
3 *****************************************************************************
4 * change header parameters of an rrd
5 *****************************************************************************
8 * Revision 1.1 2001/02/25 22:25:06 oetiker
11 *****************************************************************************/
16 rrd_tune(int argc, char **argv)
23 char ds_nam[DS_NAM_SIZE];
24 char ds_new[DS_NAM_SIZE];
31 if(rrd_open(argv[1],&rrd_file,&rrd, RRD_READWRITE)==-1){
37 static struct option long_options[] =
39 {"heartbeat", required_argument, 0, 'h'},
40 {"minimum", required_argument, 0, 'i'},
41 {"maximum", required_argument, 0, 'a'},
42 {"data-source-type", required_argument, 0, 'd'},
43 {"data-source-rename", required_argument, 0, 'r'},
48 opt = getopt_long(argc, argv, "h:i:a:d:r:",
49 long_options, &option_index);
56 if ((matches = sscanf(optarg, DS_NAM_FMT ":%ld",ds_nam,&heartbeat)) != 2){
57 rrd_set_error("invalid arguments for heartbeat");
62 if ((ds=ds_match(&rrd,ds_nam))==-1){
67 rrd.ds_def[ds].par[DS_mrhb_cnt].u_cnt = heartbeat;
71 if ((matches = sscanf(optarg,DS_NAM_FMT ":%lf",ds_nam,&min)) <1){
72 rrd_set_error("invalid arguments for minimum ds value");
77 if ((ds=ds_match(&rrd,ds_nam))==-1){
85 rrd.ds_def[ds].par[DS_min_val].u_val = min;
89 if ((matches = sscanf(optarg, DS_NAM_FMT ":%lf",ds_nam,&max)) <1){
90 rrd_set_error("invalid arguments for maximum ds value");
95 if ((ds=ds_match(&rrd,ds_nam))==-1){
102 rrd.ds_def[ds].par[DS_max_val].u_val = max;
106 if ((matches = sscanf(optarg, DS_NAM_FMT ":" DST_FMT ,ds_nam,dst)) != 2){
107 rrd_set_error("invalid arguments for data source type");
112 if ((ds=ds_match(&rrd,ds_nam))==-1){
117 if (dst_conv(dst) == -1){
122 strncpy(rrd.ds_def[ds].dst,dst,DST_SIZE-1);
123 rrd.ds_def[ds].dst[DST_SIZE-1]='\0';
125 rrd.pdp_prep[ds].last_ds[0] = 'U';
126 rrd.pdp_prep[ds].last_ds[1] = 'N';
127 rrd.pdp_prep[ds].last_ds[2] = 'K';
128 rrd.pdp_prep[ds].last_ds[3] = 'N';
129 rrd.pdp_prep[ds].last_ds[4] = '\0';
134 sscanf(optarg,DS_NAM_FMT ":" DS_NAM_FMT , ds_nam,ds_new)) != 2){
135 rrd_set_error("invalid arguments for data source type");
140 if ((ds=ds_match(&rrd,ds_nam))==-1){
145 strncpy(rrd.ds_def[ds].ds_nam,ds_new,DS_NAM_SIZE-1);
146 rrd.ds_def[ds].ds_nam[DS_NAM_SIZE-1]='\0';
150 rrd_set_error("unknown option '%c'", optopt);
152 rrd_set_error("unknown option '%s'",argv[optind-1]);
160 fseek(rrd_file,0,SEEK_SET);
161 fwrite(rrd.stat_head,
162 sizeof(stat_head_t),1, rrd_file);
164 sizeof(ds_def_t), rrd.stat_head->ds_cnt, rrd_file);
167 for(i=0;i< rrd.stat_head->ds_cnt;i++)
168 printf("DS[%s] typ: %s\thbt: %ld\tmin: %1.4f\tmax: %1.4f\n",
169 rrd.ds_def[i].ds_nam,
171 rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt,
172 rrd.ds_def[i].par[DS_min_val].u_val,
173 rrd.ds_def[i].par[DS_max_val].u_val);