#pragma once

#include <functional>
#include <string>

#include "types.hh"

class sqlite3;
class sqlite3_stmt;

namespace nix {

/* RAII wrapper to close a SQLite database automatically. */
struct SQLite
{
    sqlite3 * db;
    SQLite() { db = 0; }
    ~SQLite();
    operator sqlite3 * () { return db; }
};

/* RAII wrapper to create and destroy SQLite prepared statements. */
struct SQLiteStmt
{
    sqlite3 * db = 0;
    sqlite3_stmt * stmt = 0;
    SQLiteStmt() { }
    void create(sqlite3 * db, const std::string & s);
    ~SQLiteStmt();
    operator sqlite3_stmt * () { return stmt; }

    /* Helper for binding / executing statements. */
    class Use
    {
        friend struct SQLiteStmt;
    private:
        SQLiteStmt & stmt;
        unsigned int curArg = 1;
        Use(SQLiteStmt & stmt);

    public:

        ~Use();

        /* Bind the next parameter. */
        Use & operator () (const std::string & value, bool notNull = true);
        Use & operator () (int64_t value, bool notNull = true);
        Use & bind(); // null

        int step();

        /* Execute a statement that does not return rows. */
        void exec();

        /* For statements that return 0 or more rows. Returns true iff
           a row is available. */
        bool next();

        std::string getStr(int col);
        int64_t getInt(int col);
    };

    Use use()
    {
        return Use(*this);
    }
};

/* RAII helper that ensures transactions are aborted unless explicitly
   committed. */
struct SQLiteTxn
{
    bool active = false;
    sqlite3 * db;

    SQLiteTxn(sqlite3 * db);

    void commit();

    ~SQLiteTxn();
};


MakeError(SQLiteError, Error);
MakeError(SQLiteBusy, SQLiteError);

[[noreturn]] void throwSQLiteError(sqlite3 * db, const format & f);

/* 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) {
        }
    }
}

}
ct>
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</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=90340ecc07b984809dfa37d4d1411177f92f61d0&amp;showmsg=1'>root</a>/<a href='/guix/log/gnu?id=90340ecc07b984809dfa37d4d1411177f92f61d0&amp;showmsg=1'>gnu</a>/<a href='/guix/log/gnu/tests?id=90340ecc07b984809dfa37d4d1411177f92f61d0&amp;showmsg=1'>tests</a>/<a href='/guix/log/gnu/tests/security.scm?id=90340ecc07b984809dfa37d4d1411177f92f61d0&amp;showmsg=1'>security.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/tests/security.scm?id=90340ecc07b984809dfa37d4d1411177f92f61d0'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2024-01-12 17:26:24 +0100'>2024-01-12</span></td><td class='logsubject'><a href='/guix/commit/gnu/tests/security.scm?id=0d7e40473b1054b23307e5362e9f4b1ef2766f5b'>tests: security: Fix fail2ban-extension-test.</a></td><td>Tomas Volf</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
The openssh-service-type requires 'networking to be setup.  So add a
static-networking-service-type that provides it.

* gnu/tests/security.scm
(run-fail2ban-extension-test)[simple-operating-system]: Add
static-networking-service-type service.

Change-Id: I8d736cbf3fcaa54f86fbd60c52b3595b647731e2
Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-08-28 21:46:30 -0400'>2022-08-28</span></td><td class='logsubject'><a href='/guix/commit/gnu/tests/security.scm?id=3c2d2b453832167df02f4aa25de4857a003fbecf'>gnu: security: Add fail2ban-service-type.</a></td><td>muradm</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/services/security.scm: New module.
* gnu/tests/security.scm: New module.
* gnu/local.mk: Add new security module and tests.
* doc/guix.text: Add fail2ban-service-type documentation.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;


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