jobid format and parse

src/lib/utils.c

@@ -15,6 +15,7 @@
 #include <execinfo.h>
 #endif
 
+#include <regex.h>
 #include <tlog.h>
 
 #include "config.h"
@@ -409,3 +410,110 @@ void free_strlist(xce_strlist_t* l)
 
     FREEUP(l->data);
 }
+
+int fmt_jobid(char* buf, size_t sz, uint64_t jobid)
+{
+    uint32_t tag, id_cluster, id_apiserver, id_timestamp;
+    char     data[128];
+    int      len = 0;
+
+    tag          = EXTRACT_ID_TAG(jobid);
+    id_cluster   = EXTRACT_ID_CLUSTER(jobid);
+    id_apiserver = EXTRACT_ID_APISERVER(jobid);
+    id_timestamp = EXTRACT_ID_TIMESTAMP(jobid);
+
+    memset(data, 0x0, sizeof(data));
+
+    if ((tag & TAG_JOB_ARRAY) != 0) {
+        uint32_t id_job, id_idx;
+
+        id_job = EXTRACT_ARRAY_JOB(jobid);
+        id_idx = EXTRACT_ARRAY_IDX(jobid);
+
+        snprintf(data, sizeof(data) - 1, "%d-%d-%d-%d[%d]", id_cluster,
+                 id_apiserver, id_timestamp, id_job, id_idx);
+    } else {
+        uint32_t id_seq;
+
+        id_seq = EXTRACT_ID_SEQUENCE(jobid);
+        snprintf(data, sizeof(data) - 1, "%d-%d-%d-%d", id_cluster,
+                 id_apiserver, id_timestamp, id_seq);
+    }
+
+    len = strlen(data);
+    if (len > sz - 1) {
+        return -1;
+    }
+
+    strncpy(buf, data, sz);
+    return len;
+}
+
+int parse_jobid(uint64_t* jobid, char* buf)
+{
+    regex_t    regex;
+    regmatch_t pmatch[N_MAX_FIELDS_JOBID + 1];
+    int        rc;
+    int        len = strlen(buf);
+
+    if ((jobid == NULL) || (buf == NULL)) {
+        return -EINVAL;
+    }
+
+    rc = regcomp(&regex, REGEX_JOBARRAY_ID, REG_EXTENDED);
+    if (rc != 0) {
+        return -errno;
+    }
+
+    *jobid = 0;
+    rc     = regexec(&regex, buf, N_EL_ARRAY(pmatch), pmatch, 0);
+    if (rc == 0) {
+        regfree(&regex);
+
+        if ((pmatch[0].rm_so == 0) && (pmatch[0].rm_eo == len)) {
+            uint32_t tag, id_cluster, id_apiserver, id_timestamp, id_job,
+                id_idx;
+
+            tag          = 0x01; /* job array */
+            id_cluster   = atoi(&buf[pmatch[1].rm_so]);
+            id_apiserver = atoi(&buf[pmatch[2].rm_so]);
+            id_timestamp = atoi(&buf[pmatch[3].rm_so]);
+            id_job       = atoi(&buf[pmatch[4].rm_so]);
+            id_idx       = atoi(&buf[pmatch[5].rm_so]);
+
+            *jobid = MAKE_JOBID(id_cluster, id_apiserver, id_timestamp, tag,
+                                id_job + id_idx);
+            return 1;
+        }
+    }
+
+    regfree(&regex);
+    rc = regcomp(&regex, REGEX_JOBID, REG_EXTENDED);
+    if (rc != 0) {
+        return -errno;
+    }
+
+    rc = regexec(&regex, buf, N_EL_ARRAY(pmatch), pmatch, 0);
+    if (rc == 0) {
+        uint32_t id_cluster, id_apiserver, id_timestamp, id_job;
+
+        if ((pmatch[0].rm_so != 0) || (pmatch[0].rm_eo != len)) {
+            regfree(&regex);
+            return -EINVAL;
+        }
+
+        id_cluster   = atoi(&buf[pmatch[1].rm_so]);
+        id_apiserver = atoi(&buf[pmatch[2].rm_so]);
+        id_timestamp = atoi(&buf[pmatch[3].rm_so]);
+        id_job       = atoi(&buf[pmatch[4].rm_so]);
+
+        *jobid
+            = MAKE_JOBID(id_cluster, id_apiserver, id_timestamp, 0x0, id_job);
+
+        regfree(&regex);
+        return 1;
+    }
+
+    regfree(&regex);
+    return -EINVAL;
+}