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-rw-r--r--nix/libstore/local-store.cc174
1 files changed, 0 insertions, 174 deletions
diff --git a/nix/libstore/local-store.cc b/nix/libstore/local-store.cc
index 9fdd094cbf..6d298cda43 100644
--- a/nix/libstore/local-store.cc
+++ b/nix/libstore/local-store.cc
@@ -40,180 +40,6 @@
namespace nix {
-MakeError(SQLiteError, Error);
-MakeError(SQLiteBusy, SQLiteError);
-
-
-static void throwSQLiteError(sqlite3 * db, const format & f)
- __attribute__ ((noreturn));
-
-static void throwSQLiteError(sqlite3 * db, const format & f)
-{
- int err = sqlite3_errcode(db);
- if (err == SQLITE_BUSY || err == SQLITE_PROTOCOL) {
- if (err == SQLITE_PROTOCOL)
- printMsg(lvlError, "warning: SQLite database is busy (SQLITE_PROTOCOL)");
- else {
- static bool warned = false;
- if (!warned) {
- printMsg(lvlError, "warning: SQLite database is busy");
- warned = true;
- }
- }
- /* Sleep for a while since retrying the transaction right away
- is likely to fail again. */
-#if HAVE_NANOSLEEP
- struct timespec t;
- t.tv_sec = 0;
- t.tv_nsec = (random() % 100) * 1000 * 1000; /* <= 0.1s */
- nanosleep(&t, 0);
-#else
- sleep(1);
-#endif
- throw SQLiteBusy(format("%1%: %2%") % f.str() % sqlite3_errmsg(db));
- }
- else
- throw SQLiteError(format("%1%: %2%") % f.str() % sqlite3_errmsg(db));
-}
-
-
-/* Convenience function for retrying a SQLite transaction when the
- database is busy. */
-template<typename T>
-T retrySQLite(std::function<T()> fun)
-{
- while (true) {
- try {
- return fun();
- } catch (SQLiteBusy & e) {
- }
- }
-}
-
-
-SQLite::~SQLite()
-{
- try {
- if (db && sqlite3_close(db) != SQLITE_OK)
- throwSQLiteError(db, "closing database");
- } catch (...) {
- ignoreException();
- }
-}
-
-
-void SQLiteStmt::create(sqlite3 * db, const string & s)
-{
- checkInterrupt();
- assert(!stmt);
- if (sqlite3_prepare_v2(db, s.c_str(), -1, &stmt, 0) != SQLITE_OK)
- throwSQLiteError(db, "creating statement");
- this->db = db;
-}
-
-
-void SQLiteStmt::reset()
-{
- assert(stmt);
- /* Note: sqlite3_reset() returns the error code for the most
- recent call to sqlite3_step(). So ignore it. */
- sqlite3_reset(stmt);
- curArg = 1;
-}
-
-
-SQLiteStmt::~SQLiteStmt()
-{
- try {
- if (stmt && sqlite3_finalize(stmt) != SQLITE_OK)
- throwSQLiteError(db, "finalizing statement");
- } catch (...) {
- ignoreException();
- }
-}
-
-
-void SQLiteStmt::bind(const string & value)
-{
- if (sqlite3_bind_text(stmt, curArg++, value.c_str(), -1, SQLITE_TRANSIENT) != SQLITE_OK)
- throwSQLiteError(db, "binding argument");
-}
-
-
-void SQLiteStmt::bind(int value)
-{
- if (sqlite3_bind_int(stmt, curArg++, value) != SQLITE_OK)
- throwSQLiteError(db, "binding argument");
-}
-
-
-void SQLiteStmt::bind64(long long value)
-{
- if (sqlite3_bind_int64(stmt, curArg++, value) != SQLITE_OK)
- throwSQLiteError(db, "binding argument");
-}
-
-
-void SQLiteStmt::bind()
-{
- if (sqlite3_bind_null(stmt, curArg++) != SQLITE_OK)
- throwSQLiteError(db, "binding argument");
-}
-
-
-/* Helper class to ensure that prepared statements are reset when
- leaving the scope that uses them. Unfinished prepared statements
- prevent transactions from being aborted, and can cause locks to be
- kept when they should be released. */
-struct SQLiteStmtUse
-{
- SQLiteStmt & stmt;
- SQLiteStmtUse(SQLiteStmt & stmt) : stmt(stmt)
- {
- stmt.reset();
- }
- ~SQLiteStmtUse()
- {
- try {
- stmt.reset();
- } catch (...) {
- ignoreException();
- }
- }
-};
-
-
-struct SQLiteTxn
-{
- bool active;
- sqlite3 * db;
-
- SQLiteTxn(sqlite3 * db) : active(false) {
- this->db = db;
- if (sqlite3_exec(db, "begin;", 0, 0, 0) != SQLITE_OK)
- throwSQLiteError(db, "starting transaction");
- active = true;
- }
-
- void commit()
- {
- if (sqlite3_exec(db, "commit;", 0, 0, 0) != SQLITE_OK)
- throwSQLiteError(db, "committing transaction");
- active = false;
- }
-
- ~SQLiteTxn()
- {
- try {
- if (active && sqlite3_exec(db, "rollback;", 0, 0, 0) != SQLITE_OK)
- throwSQLiteError(db, "aborting transaction");
- } catch (...) {
- ignoreException();
- }
- }
-};
-
-
void checkStoreNotSymlink()
{
if (getEnv("NIX_IGNORE_SYMLINK_STORE") == "1") return;