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ssb: Add entries to the blob wants cache when requesting a missing blob from the web. #120
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Cory McWilliams
2025-05-17 12:46:47 -04:00
parent 476fec2757
commit e3fcdea362
3 changed files with 47 additions and 1 deletions
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34
src/ssb.db.c
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@ -379,6 +379,15 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
_tf_ssb_db_exec(db, "COMMIT TRANSACTION");
tf_printf("Done.\n");
}
if (!_tf_ssb_db_has_rows(db, "SELECT * FROM sqlite_schema WHERE type = 'index' AND name = 'blob_wants_cache_source_id_unique_index'"))
{
tf_printf("Creating blob_wants_cache UNIQUE constraint.\n");
_tf_ssb_db_exec(db, "BEGIN TRANSACTION");
_tf_ssb_db_exec(db, "DELETE FROM blob_wants_cache WHERE source IS NULL");
_tf_ssb_db_exec(db, "CREATE UNIQUE INDEX blob_wants_cache_source_id_unique_index ON blob_wants_cache (COALESCE(source, ''), id)");
_tf_ssb_db_exec(db, "COMMIT TRANSACTION");
tf_printf("Done.\n");
}
_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS blob_wants_cache_id_idx ON blob_wants_cache (id)");
_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS blob_wants_cache_timestamp_id_idx ON blob_wants_cache (timestamp, id)");
@ -840,6 +849,31 @@ bool tf_ssb_db_blob_get(tf_ssb_t* ssb, const char* id, uint8_t** out_blob, size_
return result;
}
void tf_ssb_db_add_blob_wants(sqlite3* db, const char* id)
{
sqlite3_stmt* statement;
if (sqlite3_prepare(db, "INSERT OR REPLACE INTO blob_wants_cache (id, timestamp) VALUES (?, unixepoch() * 1000) ON CONFLICT DO UPDATE SET timestamp = excluded.timestamp", -1,
&statement, NULL) == SQLITE_OK)
{
if (sqlite3_bind_text(statement, 1, id, -1, NULL) == SQLITE_OK)
{
if (sqlite3_step(statement) != SQLITE_DONE)
{
tf_printf("blob wants cache update failed: %s.\n", sqlite3_errmsg(db));
}
else
{
tf_printf("want: %s\n", id);
}
}
sqlite3_finalize(statement);
}
else
{
tf_printf("prepare failed: %s\n", sqlite3_errmsg(db));
}
}
typedef struct _blob_get_async_t
{
tf_ssb_t* ssb;