#include "stdafx.h"
#include "proto/redis_coder.h"
#include "action/redis_handler.h"
#include "master_service.h"

static char *var_cfg_dbpath;
static char *var_cfg_dbtype;

acl::master_str_tbl var_conf_str_tab[] = {
    { "dbpath",     "./dbpath",     &var_cfg_dbpath },
    { "dbtype",     "rdb",          &var_cfg_dbtype },

    { 0,    0,  0   }
};

int var_cfg_disable_serialize;
int var_cfg_disable_save;

acl::master_bool_tbl var_conf_bool_tab[] = {
    { "disable_serialize", 0, &var_cfg_disable_serialize },
    { "disable_save", 0, &var_cfg_disable_save },

    { 0,    0,  0   }
};

static int  var_cfg_io_timeout;
static int  var_cfg_buf_size;

acl::master_int_tbl var_conf_int_tab[] = {
    { "io_timeout",     120,    &var_cfg_io_timeout,    0,  0   },
    { "buf_size",       8192,   &var_cfg_buf_size,  0,  0 },

    { 0, 0 , 0 , 0, 0 }
};

acl::master_int64_tbl var_conf_int64_tab[] = {
    { 0, 0 , 0 , 0, 0 }
};


//////////////////////////////////////////////////////////////////////////

using namespace pkv;

void master_service::on_accept(acl::socket_stream& conn) {
    //conn.set_rw_timeout(var_cfg_io_timeout);
    logger(">>>accept connection: %d", conn.sock_handle());

    run(conn, var_cfg_buf_size);

    logger("Disconnect from peer, fd=%d", conn.sock_handle());
}

void master_service::run(acl::socket_stream& conn, size_t size) {
    pkv::redis_coder parser;
    pkv::redis_handler handler(db_, parser, conn);
    char buf[size];

    while(true) {
        int ret = conn.read(buf, sizeof(buf) - 1, false);
        if (ret <= 0) {
            break;
        }

        buf[ret] = 0;

        size_t len = (size_t) ret;
        const char* data = parser.update(buf, len);
        auto obj = parser.get_curr();
        assert(obj);
        if (obj->failed()) {
            break;
        }

        assert(*data == '\0' && len == 0);

        if (!handler.handle()) {
            break;
        }

        parser.clear();
    }
}

void master_service::proc_pre_jail() {
    logger(">>>proc_pre_jail<<<");
}

void master_service::proc_on_listen(acl::server_socket& ss) {
    logger(">>>listen %s ok<<<", ss.get_addr());
}

void master_service::proc_on_init() {
    logger(">>>proc_on_init<<<");
    if (strcasecmp(var_cfg_dbtype, "rdb") == 0) {
        db_ = db::create_rdb();
        if (!db_->open(var_cfg_dbpath)) {
            logger_error("open db(%s) error %s", var_cfg_dbpath,
                         acl::last_serror());
            exit(1);
        }
    } else if (strcasecmp(var_cfg_dbtype, "wdb") == 0) {
        db_ = db::create_wdb();
        if (!db_->open(var_cfg_dbpath)) {
            logger_error("open db(%s) error", var_cfg_dbpath);
            exit(1);
        }
    } else {
        logger_error("unknown dbtype=%s", var_cfg_dbtype);
        exit(1);
    }
}

void master_service::proc_on_exit() {
    logger(">>>proc_on_exit<<<");
}

bool master_service::proc_on_sighup(acl::string&) {
    logger(">>>proc_on_sighup<<<");
    return true;
}