add: mqtt status client

This commit is contained in:
Tobias Reisinger 2020-06-26 01:28:00 +02:00
parent 1d1ae61310
commit 679175f1a9
11 changed files with 119 additions and 40 deletions

View file

@ -1,6 +1,6 @@
cmake_minimum_required (VERSION 3.7)
project(controller
VERSION 0.1.0
VERSION 0.2.0
LANGUAGES C)
add_executable(controller src/main.c)

View file

@ -1,6 +1,11 @@
[controller]
name = new emgauwa device
: 4422 for testing; 4421 for dev-env; 4420 for testing-env; 4419 for prod-env
discovery-port = 4421
: 1886 for testing; 1885 for dev-env; 1884 for testing-env; 1883 for prod-env
mqtt-port = 1885
relay-count = 10
database = controller_db.lmdb
log-level = debug

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@ -21,6 +21,7 @@ typedef struct
run_type_t run_type;
char name[MAX_NAME_LENGTH + 1];
uint16_t discovery_port;
uint16_t mqtt_port;
uint8_t relay_count;
config_relay_t *relay_configs;
} config_t;

17
include/connections.h Normal file
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@ -0,0 +1,17 @@
#ifndef CONTROLLER_CONNECTIONS_H
#define CONTROLLER_CONNECTIONS_H
#include <mongoose.h>
struct mg_connection*
connection_discovery_bind(struct mg_mgr *mgr);
struct mg_connection*
connection_command_bind(struct mg_mgr *mgr);
struct mg_connection*
connection_mqtt_connect(struct mg_mgr *mgr);
extern struct mg_connection *global_connection_mqtt;
#endif /* CONTROLLER_CONNECTIONS_H */

View file

@ -12,6 +12,7 @@ typedef struct
{
uint8_t number;
int is_on;
int sent_to_broker;
char name[MAX_NAME_LENGTH + 1];
schedule_t *schedules[7];
} relay_t;

35
src/connections.c Normal file
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@ -0,0 +1,35 @@
#include <stdio.h>
#include <connections.h>
#include <models/controller.h>
#include <config.h>
#include <handlers.h>
struct mg_connection *global_connection_mqtt;
struct mg_connection*
connection_discovery_bind(struct mg_mgr *mgr)
{
char address[100];
sprintf(address, "udp://0.0.0.0:%u", global_controller->discovery_port);
struct mg_connection *c = mg_bind(mgr, address, handler_discovery);
return c;
}
struct mg_connection*
connection_command_bind(struct mg_mgr *mgr)
{
char address[100];
sprintf(address, "tcp://0.0.0.0:%u", global_controller->command_port);
struct mg_connection *c = mg_bind(mgr, address, handler_command);
return c;
}
struct mg_connection*
connection_mqtt_connect(struct mg_mgr *mgr)
{
char address[100];
sprintf(address, "tcp://localhost:%u", global_config.mqtt_port);
struct mg_connection *c = mg_connect(mgr, address, handler_mqtt);
return c;
}

View file

@ -35,12 +35,16 @@ handler_loop(struct mg_connection *c_mqtt)
}
if(relay->is_on != is_active)
{
relay->sent_to_broker = 0;
}
if(!relay->sent_to_broker && c_mqtt)
{
sprintf(topic_buf, "controller/%s/relay/%u", controller_uid, i);
sprintf(payload_buf, "%u", is_active);
mg_mqtt_publish(c_mqtt, topic_buf, 0, MG_MQTT_QOS(0), payload_buf, strlen(payload_buf));
relay->sent_to_broker = 1;
}
relay->is_on = is_active;
if(global_config.relay_configs[i].inverted)

View file

@ -1,37 +1,43 @@
#include <logger.h>
#include <handlers.h>
#include <connections.h>
#include <models/controller.h>
void
handler_mqtt(struct mg_connection *nc, int ev, void *p) {
struct mg_mqtt_message *msg = (struct mg_mqtt_message *) p;
(void) nc;
struct mg_mqtt_message *msg = (struct mg_mqtt_message *) p;
(void) nc;
if (ev != MG_EV_POLL) LOG_DEBUG("USER HANDLER GOT EVENT %d\n", ev);
switch (ev)
{
case MG_EV_CONNECT:
{
struct mg_send_mqtt_handshake_opts opts;
memset(&opts, 0, sizeof(opts));
// TODO add password
switch (ev) {
case MG_EV_CONNECT: {
struct mg_send_mqtt_handshake_opts opts;
memset(&opts, 0, sizeof(opts));
// TODO add password
mg_set_protocol_mqtt(nc);
mg_send_mqtt_handshake_opt(nc, global_controller->name, opts);
break;
mg_set_protocol_mqtt(nc);
mg_send_mqtt_handshake_opt(nc, global_controller->name, opts);
break;
}
case MG_EV_MQTT_CONNACK:
if(msg->connack_ret_code != MG_EV_MQTT_CONNACK_ACCEPTED)
{
LOG_INFO("Got MQTT connection error: %d\n", msg->connack_ret_code);
break;
}
if(!global_connection_mqtt)
{
LOG_DEBUG("connected to MQTT server\n");
global_connection_mqtt = nc;
}
break;
case MG_EV_CLOSE:
if(global_connection_mqtt)
{
LOG_DEBUG("disconnected from MQTT server\n");
}
global_connection_mqtt = NULL;
break;
}
case MG_EV_MQTT_CONNACK:
if (msg->connack_ret_code != MG_EV_MQTT_CONNACK_ACCEPTED) {
LOG_DEBUG("Got mqtt connection error: %d\n", msg->connack_ret_code);
exit(1);
}
break;
case MG_EV_MQTT_PUBACK:
LOG_DEBUG("Message publishing acknowledged (msg_id: %d)\n", msg->message_id);
break;
case MG_EV_MQTT_SUBACK:
LOG_DEBUG("Subscription acknowledged, forwarding to '/test'\n");
break;
case MG_EV_CLOSE:
LOG_DEBUG("Connection closed\n");
}
}

View file

@ -70,6 +70,11 @@ helper_load_config(IniDispatch *disp, void *config_void)
config->discovery_port = atoi(disp->value);
return 0;
}
if(CONFINI_IS_KEY("controller", "mqtt-port"))
{
config->mqtt_port = atoi(disp->value);
return 0;
}
if(CONFINI_IS_KEY("controller", "relay-count"))
{
config->relay_count = atoi(disp->value);

View file

@ -10,6 +10,7 @@
#include <models/controller.h>
#include <database.h>
#include <config.h>
#include <connections.h>
#include <constants.h>
#include <handlers.h>
#include <drivers.h>
@ -32,8 +33,9 @@ terminate(int signum)
{
LOG_INFO("terminating controller (%d)\n", signum);
LOG_DEBUG("freeing mongoose manager\n");
mg_mgr_free(&mgr);
// TODO fix mg_mgr_free() causing loop (can't terminate)
//LOG_DEBUG("freeing mongoose manager\n");
//mg_mgr_free(&mgr);
LOG_DEBUG("closing database\n");
mdb_env_close(global_mdb_env);
@ -71,6 +73,8 @@ main(int argc, const char** argv)
global_config.file = "controller.ini";
global_config.log_level = LOG_LEVEL_INFO;
global_config.discovery_port = 4421;
global_config.mqtt_port = 1885;
helper_parse_cli(argc, argv, &global_config);
@ -102,15 +106,10 @@ main(int argc, const char** argv)
global_controller = controller_load(global_mdb_env);
char address[100];
sprintf(address, "udp://0.0.0.0:%u", global_controller->discovery_port);
struct mg_connection *c_discovery = mg_bind(&mgr, address, handler_discovery);
sprintf(address, "tcp://0.0.0.0:%u", global_controller->command_port);
struct mg_connection *c_command = mg_bind(&mgr, address, handler_command);
sprintf(address, "tcp://localhost:%u", 1883);
struct mg_connection *c_mqtt = mg_connect(&mgr, address, handler_mqtt);
connection_discovery_bind(&mgr);
connection_mqtt_connect(&mgr);
struct mg_connection *c_command = connection_command_bind(&mgr);
(void)c_discovery; // still unused
global_controller->command_port = helper_get_port(c_command->sock);
controller_save(global_controller, global_mdb_env);
@ -144,7 +143,12 @@ main(int argc, const char** argv)
for(;;)
{
mg_mgr_poll(&mgr, 1000);
handler_loop(c_mqtt);
if(!global_connection_mqtt)
{
LOG_DEBUG("mqtt connection is not open\n");
connection_mqtt_connect(&mgr);
}
handler_loop(global_connection_mqtt);
}
terminate(0);

View file

@ -15,6 +15,7 @@ relay_create(uint8_t number)
new_relay->name[0] = '\0';
new_relay->is_on = -1;
new_relay->sent_to_broker = 0;
uuid_t off_id;
memset(off_id, 0, sizeof(uuid_t));