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added debug message for when sqlite returns results that it shouldn't.

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(FILESIZE BETWEEN X and Y is not behaving correctly -- it sometimes
returns results with the out of bounds FILESIZE values). #9
This commit is contained in:
gardners 2012-10-02 18:46:02 +09:30
parent c356ead09c
commit 0d988921ac
1 changed files with 14 additions and 8 deletions
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22
rhizome_direct.c
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@ -256,12 +256,12 @@ int rhizome_direct_conclude_sync_request(rhizome_direct_sync_request *r)
/*
This function is called with the list of BARs for a specified cursor range
that the far-end possesses, i.e., what we are given is a list of "I have"'s.
To produce our reply, we need to work out corresponding list of "I have"'s, and
then compare them to produce the list of "you have and I want" and "I have and
you want" that if fulfilled, would result in both ends having the same set of
BARs for the specified cursor range. The potential presense of multiple versions
of a given bundle introduces only a slight complication.
that the far-end possesses, i.e., what we are given is a list of the far end's
"I have"'s. To produce our reply, we need to work out corresponding list of
"I have"'s, and then compare them to produce the list of "you have and I want"
and "I have and you want" that if fulfilled, would result in both ends having the
same set of BARs for the specified cursor range. The potential presense of
multiple versions of a given bundle introduces only a slight complication.
*/
rhizome_direct_bundle_cursor *rhizome_direct_get_fill_response
@ -724,7 +724,7 @@ int rhizome_direct_get_bars(const unsigned char bid_low[RHIZOME_MANIFEST_ID_BYTE
char query[1024];
snprintf(query,1024,
"SELECT BAR,ROWID,ID FROM MANIFESTS"
"SELECT BAR,ROWID,ID,FILESIZE FROM MANIFESTS"
" WHERE ID>='%s' AND ID<='%s' AND FILESIZE BETWEEN %lld AND %lld"
" ORDER BY BAR LIMIT %d;",
alloca_tohex(bid_low,RHIZOME_MANIFEST_ID_BYTES),
@ -747,6 +747,12 @@ int rhizome_direct_get_bars(const unsigned char bid_low[RHIZOME_MANIFEST_ID_BYTE
sqlite3_blob_close(blob);
blob = NULL;
int ret;
int64_t filesize = sqlite3_column_int64(statement, 3);
if (filesize<size_low||filesize>size_high) {
DEBUGF("WEIRDNESS ALERT: filesize=%lld, but query was: %s",
filesize,query);
break;
}
int64_t rowid = sqlite3_column_int64(statement, 1);
do ret = sqlite3_blob_open(rhizome_db, "main", "manifests", "bar",
rowid, 0 /* read only */, &blob);
@ -780,7 +786,7 @@ int rhizome_direct_get_bars(const unsigned char bid_low[RHIZOME_MANIFEST_ID_BYTE
break;
default:
/* non-BLOB field. This is an error, but we will persevere with subsequent
rows, becuase they might be fine. */
rows, because they might be fine. */
break;
}
}