src/lib-dict/test-dict-client.c

/* Copyright (c) 2016-2018 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "ioloop.h"
#include "dict-private.h"

#include <stdio.h>

static int pending = 0;

static void lookup_callback(const struct dict_lookup_result *result,
                void *context ATTR_UNUSED)
{
    if (result->error != NULL)
        i_error("%s", result->error);
    /*else if (result->ret == 0)
        i_info("not found");
    else
        i_info("%s", result->value);*/
    pending--;
}

static void commit_callback(const struct dict_commit_result *result,
                void *context ATTR_UNUSED)
{
    if (result->ret < 0)
        i_error("commit %d", result->ret);
    pending--;
}

int main(int argc, char *argv[])
{
    const char *prefix, *uri;
    struct dict *dict;
    struct dict_settings set;
    struct ioloop *ioloop;
    const char *error;
    unsigned int i;
    char key[1000], value[100];

    lib_init();
    ioloop = io_loop_create();
    dict_driver_register(&dict_driver_client);

    if (argc < 3)
        i_fatal("Usage: <prefix> <uri>");
    prefix = argv[1];
    uri = argv[2];

    i_zero(&set);
    set.base_dir = "/var/run/dovecot";
    set.username = "testuser";

    if (dict_init(uri, &set, &dict, &error) < 0)
        i_fatal("dict_init(%s) failed: %s", argv[1], error);

    for (i = 0;; i++) {
        i_snprintf(key, sizeof(key), "%s/%02x", prefix,
               i_rand_limit(0xff));
        i_snprintf(value, sizeof(value), "%04x", i_rand_limit(0xffff));
        switch (i_rand_limit(4)) {
        case 0:
            pending++;
            dict_lookup_async(dict, key, lookup_callback, NULL);
            break;
        case 1: {
            struct dict_transaction_context *trans;

            pending++;
            trans = dict_transaction_begin(dict);
            dict_set(trans, key, value);
            dict_transaction_commit_async(&trans, commit_callback, NULL);
            break;
        }
        case 2: {
            struct dict_transaction_context *trans;

            pending++;
            trans = dict_transaction_begin(dict);
            dict_unset(trans, key);
            dict_transaction_commit_async(&trans, commit_callback, NULL);
            break;
        }
        case 3: {
            struct dict_iterate_context *iter;
            const char *k, *v;

            iter = dict_iterate_init(dict, prefix, DICT_ITERATE_FLAG_EXACT_KEY);
            while (dict_iterate(iter, &k, &v)) ;
            if (dict_iterate_deinit(&iter, &error) < 0)
                i_error("iter failed: %s", error);
            break;
        }
        }
        while (pending > 100) {
            dict_wait(dict);
            printf("%d\n", pending); fflush(stdout);
        }
    }
    dict_deinit(&dict);

    io_loop_destroy(&ioloop);
    lib_deinit();
}