buildhistory: improve performance of image info collection

Reduce the number of calls to the packaging tool, especially in the case
of rpm, using helper utilities to gather the required information more
efficiently where possible.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

1 files changed, 110 insertions, 7 deletions

diff --git a/meta/recipes-devtools/rpm/rpmresolve/rpmresolve.c b/meta/recipes-devtools/rpm/rpmresolve/rpmresolve.c
index 9f6cdf28b8..2d9ed141f4 100644
--- a/meta/recipes-devtools/rpm/rpmresolve/rpmresolve.c
+++ b/meta/recipes-devtools/rpm/rpmresolve/rpmresolve.c
@@ -204,10 +204,104 @@ int processPackages(rpmts *ts, int tscount, const char *packagelistfn, int ignor
     return rc;
 }
 
+int lookupProvider(rpmts ts, const char *req, char **provider)
+{
+    int rc = 0;
+    rpmmi provmi = rpmtsInitIterator(ts, RPMTAG_PROVIDENAME, req, 0);
+    if(provmi) {
+        Header h;
+        if ((h = rpmmiNext(provmi)) != NULL) {
+            HE_t he = (HE_t) memset(alloca(sizeof(*he)), 0, sizeof(*he));
+            he->tag = RPMTAG_NAME;
+            rc = (headerGet(h, he, 0) != 1);
+            if(rc==0)
+                *provider = strdup((char *)he->p.ptr);
+        }
+        (void)rpmmiFree(provmi);
+    }
+    else {
+        rc = -1;
+    }
+    return rc;
+}
+
+int printDepList(rpmts *ts, int tscount)
+{
+    int rc = 0;
+
+    if( tscount > 1 )
+        printf(">1 database specified with dependency list, using first only\n");
+
+    /* Get list of names */
+    rpmdb db = rpmtsGetRdb(ts[0]);
+    ARGV_t names = NULL;
+    rc = rpmdbMireApply(db, RPMTAG_NAME,
+                RPMMIRE_STRCMP, NULL, &names);
+    int nnames = argvCount(names);
+
+    /* Get list of NVRAs */
+    ARGV_t keys = NULL;
+    rc = rpmdbMireApply(db, RPMTAG_NVRA,
+                RPMMIRE_STRCMP, NULL, &keys);
+    if (keys) {
+        int i, j;
+        HE_t he = (HE_t) memset(alloca(sizeof(*he)), 0, sizeof(*he));
+        int nkeys = argvCount(keys);
+        for(i=0; i<nkeys; i++) {
+            rpmmi mi = rpmtsInitIterator(ts[0], RPMTAG_NVRA, keys[i], 0);
+            Header h;
+            if ((h = rpmmiNext(mi)) != NULL) {
+                /* Get name of package */
+                he->tag = RPMTAG_NAME;
+                rc = (headerGet(h, he, 0) != 1);
+                char *name = strdup((char *)he->p.ptr);
+                /* Get its requires */
+                he->tag = RPMTAG_REQUIRENAME;
+                rc = (headerGet(h, he, 0) != 1);
+                ARGV_t reqs = (ARGV_t)he->p.ptr;
+                /* Get its requireflags */
+                he->tag = RPMTAG_REQUIREFLAGS;
+                rc = (headerGet(h, he, 0) != 1);
+                rpmuint32_t *reqflags = (rpmuint32_t *)he->p.ui32p;
+                for(j=0; j<he->c; j++) {
+                    int k;
+                    char *prov = NULL;
+                    for(k=0; k<nnames; k++) {
+                        if(strcmp(names[k], reqs[j]) == 0) {
+                            prov = names[k];
+                            break;
+                        }
+                    }
+                    if(prov) {
+                        if((int)reqflags[j] & 0x80000)
+                            printf("%s|%s [REC]\n", name, prov);
+                        else
+                            printf("%s|%s\n", name, prov);
+                    }
+                    else {
+                        rc = lookupProvider(ts[0], reqs[j], &prov);
+                        if(rc==0 && prov) {
+                            if((int)reqflags[j] & 0x80000)
+                                printf("%s|%s [REC]\n", name, prov);
+                            else
+                                printf("%s|%s\n", name, prov);
+                            free(prov);
+                        }
+                    }
+                }
+                free(name);
+            }
+            (void)rpmmiFree(mi);
+        }
+    }
+
+    return rc;
+}
+
 void usage()
 {
     fprintf(stderr, "OpenEmbedded rpm resolver utility\n");
-    fprintf(stderr, "syntax: rpmresolve [-i] <dblistfile> <packagelistfile>\n");
+    fprintf(stderr, "syntax: rpmresolve [-i] [-d] <dblistfile> <packagelistfile>\n");
 }
 
 int main(int argc, char **argv)
@@ -218,13 +312,17 @@ int main(int argc, char **argv)
     int i;
     int c;
     int ignoremissing = 0;
+    int deplistmode = 0;
 
     opterr = 0;
-    while ((c = getopt (argc, argv, "i")) != -1) {
+    while ((c = getopt (argc, argv, "id")) != -1) {
         switch (c) {
             case 'i':
                 ignoremissing = 1;
                 break;
+            case 'd':
+                deplistmode = 1;
+                break;
             case '?':
                 if(isprint(optopt))
                     fprintf(stderr, "Unknown option `-%c'.\n", optopt);
@@ -258,12 +356,17 @@ int main(int argc, char **argv)
         return 1;
     }
 
-    if( argc - optind < 2 ) {
-        fprintf(stderr, "Please specify package list file\n");
-        return 1;
+    if(deplistmode) {
+        rc = printDepList(ts, tscount);
+    }
+    else {
+        if( argc - optind < 2 ) {
+            fprintf(stderr, "Please specify package list file\n");
+            return 1;
+        }
+        const char *pkglistfn = argv[optind+1];
+        rc = processPackages(ts, tscount, pkglistfn, ignoremissing);
     }
-    const char *pkglistfn = argv[optind+1];
-    rc = processPackages(ts, tscount, pkglistfn, ignoremissing);
 
     for(i=0; i<tscount; i++)
         (void) rpmtsCloseDB(ts[i]);