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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2015 Daniel Campora
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdint.h>
#include <string.h>
#include "py/mpconfig.h"
#include "py/misc.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "serverstask.h"
#include "simplelink.h"
#include "debug.h"
#include "telnet.h"
#include "ftp.h"
#include "pybwdt.h"
#include "modusocket.h"
#include "mpexception.h"
#include "modnetwork.h"
#include "modwlan.h"
/******************************************************************************
DEFINE PRIVATE TYPES
******************************************************************************/
typedef struct {
uint32_t timeout;
bool enabled;
bool do_disable;
bool do_enable;
bool do_reset;
bool do_wlan_cycle_power;
} servers_data_t;
/******************************************************************************
DECLARE PRIVATE DATA
******************************************************************************/
static servers_data_t servers_data = {.timeout = SERVERS_DEF_TIMEOUT_MS};
static volatile bool sleep_sockets = false;
/******************************************************************************
DECLARE PRIVATE FUNCTIONS
******************************************************************************/
/******************************************************************************
DECLARE PUBLIC DATA
******************************************************************************/
// This is the static memory (TCB and stack) for the servers task
StaticTask_t svTaskTCB __attribute__ ((section (".rtos_heap")));
StackType_t svTaskStack[SERVERS_STACK_LEN] __attribute__ ((section (".rtos_heap"))) __attribute__((aligned (8)));
char servers_user[SERVERS_USER_PASS_LEN_MAX + 1];
char servers_pass[SERVERS_USER_PASS_LEN_MAX + 1];
/******************************************************************************
DECLARE PUBLIC FUNCTIONS
******************************************************************************/
void TASK_Servers (void *pvParameters) {
bool cycle = false;
strcpy (servers_user, SERVERS_DEF_USER);
strcpy (servers_pass, SERVERS_DEF_PASS);
telnet_init();
ftp_init();
for ( ;; ) {
if (servers_data.do_enable) {
// enable network services
telnet_enable();
ftp_enable();
// now set/clear the flags
servers_data.enabled = true;
servers_data.do_enable = false;
}
else if (servers_data.do_disable) {
// disable network services
telnet_disable();
ftp_disable();
// now clear the flags
servers_data.do_disable = false;
servers_data.enabled = false;
}
else if (servers_data.do_reset) {
// resetting the servers is needed to prevent half-open sockets
servers_data.do_reset = false;
if (servers_data.enabled) {
telnet_reset();
ftp_reset();
}
// and we should also close all user sockets. We do it here
// for convinience and to save on code size.
modusocket_close_all_user_sockets();
}
if (cycle) {
telnet_run();
}
else {
ftp_run();
}
if (sleep_sockets) {
pybwdt_srv_sleeping(true);
modusocket_enter_sleep();
pybwdt_srv_sleeping(false);
mp_hal_delay_ms(SERVERS_CYCLE_TIME_MS * 2);
if (servers_data.do_wlan_cycle_power) {
servers_data.do_wlan_cycle_power = false;
wlan_off_on();
}
sleep_sockets = false;
}
// set the alive flag for the wdt
pybwdt_srv_alive();
// move to the next cycle
cycle = cycle ? false : true;
mp_hal_delay_ms(SERVERS_CYCLE_TIME_MS);
}
}
void servers_start (void) {
servers_data.do_enable = true;
mp_hal_delay_ms(SERVERS_CYCLE_TIME_MS * 3);
}
void servers_stop (void) {
servers_data.do_disable = true;
do {
mp_hal_delay_ms(SERVERS_CYCLE_TIME_MS);
} while (servers_are_enabled());
mp_hal_delay_ms(SERVERS_CYCLE_TIME_MS * 3);
}
void servers_reset (void) {
servers_data.do_reset = true;
}
void servers_wlan_cycle_power (void) {
servers_data.do_wlan_cycle_power = true;
}
bool servers_are_enabled (void) {
return servers_data.enabled;
}
void server_sleep_sockets (void) {
sleep_sockets = true;
mp_hal_delay_ms(SERVERS_CYCLE_TIME_MS + 1);
}
void servers_close_socket (int16_t *sd) {
if (*sd > 0) {
modusocket_socket_delete(*sd);
sl_Close(*sd);
*sd = -1;
}
}
void servers_set_login (char *user, char *pass) {
if (strlen(user) > SERVERS_USER_PASS_LEN_MAX || strlen(pass) > SERVERS_USER_PASS_LEN_MAX) {
mp_raise_ValueError(mpexception_value_invalid_arguments);
}
memcpy(servers_user, user, SERVERS_USER_PASS_LEN_MAX);
memcpy(servers_pass, pass, SERVERS_USER_PASS_LEN_MAX);
}
void servers_set_timeout (uint32_t timeout) {
if (timeout < SERVERS_MIN_TIMEOUT_MS) {
// timeout is too low
mp_raise_ValueError(mpexception_value_invalid_arguments);
}
servers_data.timeout = timeout;
}
uint32_t servers_get_timeout (void) {
return servers_data.timeout;
}
/******************************************************************************
DEFINE PRIVATE FUNCTIONS
******************************************************************************/