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remove files of mqtt_unthreaded node type since this is implemented in mqtt type now

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Sonja Happ 2019-09-13 10:15:03 +02:00 • committed by Steffen Vogel
parent e52d2f77ee
commit ff8151bee0
3 changed files with 1 additions and 389 deletions
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49
include/villas/nodes/mqtt_unthreaded.hpp
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@ -1,49 +0,0 @@
/** Node type: mqtt_unthreaded
*
* @file
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
* @copyright 2014-2019, Institute for Automation of Complex Power Systems, EONERC
* @license GNU General Public License (version 3)
*
* VILLASnode
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************************/
/**
* @addtogroup mqtt_unthreaded mqtt unthreaded node type
* @ingroup node
* @{
*/
#pragma once
#include <villas/nodes/mqtt.hpp>
/** @see node_type::open */
int mqtt_unthreaded_start(struct node *n);
/** @see node_type::close */
int mqtt_unthreaded_stop(struct node *n);
/** @see node_type::read */
int mqtt_unthreaded_read(struct node *n, struct sample *smps[], unsigned cnt, unsigned *release);
/** @see node_type::write */
int mqtt_unthreaded_write(struct node *n, struct sample *smps[], unsigned cnt, unsigned *release);
/** perform MQTT network operations */
int mqtt_unthreaded_loop(struct node *n);
/** @} */

2
lib/nodes/CMakeLists.txt
View file

@ -126,7 +126,7 @@ endif()
# Enable MQTT support
if(WITH_NODE_MQTT)
list(APPEND NODE_SRC mqtt.cpp mqtt_unthreaded.cpp)
list(APPEND NODE_SRC mqtt.cpp)
list(APPEND INCLUDE_DIRS ${MOSQUITTO_INCLUDE_DIRS})
list(APPEND LIBRARIES ${MOSQUITTO_LIBRARIES})
endif()

339
lib/nodes/mqtt_unthreaded.cpp
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@ -1,339 +0,0 @@
/** Node type: mqtt_unthreaded
*
* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
* @copyright 2014-2019, Institute for Automation of Complex Power Systems, EONERC
* @license GNU General Public License (version 3)
*
* VILLASnode
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************************/
#include <string.h>
#include <mosquitto.h>
#include <villas/nodes/mqtt_unthreaded.hpp>
#include <villas/plugin.h>
#include <villas/utils.hpp>
#include <villas/format_type.h>
static void mqtt_unthreaded_log_cb(struct mosquitto *mosq, void *userdata, int level, const char *str)
{
switch (level) {
case MOSQ_LOG_NONE:
case MOSQ_LOG_INFO:
case MOSQ_LOG_NOTICE:
info("MQTT: %s", str);
break;
case MOSQ_LOG_WARNING:
warning("MQTT: %s", str);
break;
case MOSQ_LOG_ERR:
error("MQTT: %s", str);
break;
case MOSQ_LOG_DEBUG:
debug(5, "MQTT: %s", str);
break;
}
}
static void mqtt_unthreaded_connect_cb(struct mosquitto *mosq, void *userdata, int result)
{
struct node *n = (struct node *) userdata;
struct mqtt *m = (struct mqtt *) n->_vd;
int ret;
info("MQTT: Node %s connected to broker %s", node_name(n), m->host);
if (m->subscribe) {
ret = mosquitto_subscribe(m->client, nullptr, m->subscribe, m->qos);
if (ret)
warning("MQTT: failed to subscribe to topic '%s' for node %s: %s", m->subscribe, node_name(n), mosquitto_strerror(ret));
}
else
warning("MQTT: no subscribe for node %s as no subscribe topic is given", node_name(n));
mqtt_unthreaded_loop(n);
}
static void mqtt_unthreaded_message_cb(struct mosquitto *mosq, void *userdata, const struct mosquitto_message *msg)
{
int ret;
struct node *n = (struct node *) userdata;
struct mqtt *m = (struct mqtt *) n->_vd;
struct sample *smps[n->in.vectorize];
debug(5, "MQTT: Node %s received a message of %d bytes from broker %s", node_name(n), msg->payloadlen, m->host);
ret = sample_alloc_many(&m->pool, smps, n->in.vectorize);
if (ret <= 0) {
warning("Pool underrun in subscriber of %s", node_name(n));
return;
}
ret = io_sscan(&m->io, (char *) msg->payload, msg->payloadlen, nullptr, smps, n->in.vectorize);
if (ret < 0) {
warning("MQTT: Node %s received an invalid message", node_name(n));
warning(" Payload: %s", (char *) msg->payload);
return;
}
if (ret == 0) {
debug(4, "MQTT: skip empty message for node %s", node_name(n));
sample_decref_many(smps, n->in.vectorize);
return;
}
queue_signalled_push_many(&m->queue, (void **) smps, n->in.vectorize);
mqtt_unthreaded_loop(n);
}
static void mqtt_unthreaded_disconnect_cb(struct mosquitto *mosq, void *userdata, int result)
{
struct node *n = (struct node *) userdata;
struct mqtt *m = (struct mqtt *) n->_vd;
info("MQTT: Node %s disconnected from broker %s", node_name(n), m->host);
}
static void mqtt_unthreaded_subscribe_cb(struct mosquitto *mosq, void *userdata, int mid, int qos_count, const int *granted_qos)
{
struct node *n = (struct node *) userdata;
struct mqtt *m = (struct mqtt *) n->_vd;
info("MQTT: Node %s subscribed to broker %s", node_name(n), m->host);
n->state=STATE_STARTED;
}
int mqtt_unthreaded_check(struct node *n)
{
int ret;
struct mqtt *m = (struct mqtt *) n->_vd;
ret = mosquitto_sub_topic_check(m->subscribe);
if (ret != MOSQ_ERR_SUCCESS)
error("Invalid subscribe topic: '%s' for node %s: %s", m->subscribe, node_name(n), mosquitto_strerror(ret));
ret = mosquitto_pub_topic_check(m->publish);
if (ret != MOSQ_ERR_SUCCESS)
error("Invalid publish topic: '%s' for node %s: %s", m->publish, node_name(n), mosquitto_strerror(ret));
return 0;
}
int mqtt_unthreaded_start(struct node *n)
{
int ret;
struct mqtt *m = (struct mqtt *) n->_vd;
m->client = mosquitto_new(n->name, 0, (void *) n);
if (!m->client)
return -1;
if (m->username && m->password) {
ret = mosquitto_username_pw_set(m->client, m->username, m->password);
if (ret)
goto mosquitto_error;
}
if (m->ssl.enabled) {
ret = mosquitto_tls_set(m->client, m->ssl.cafile, m->ssl.capath, m->ssl.certfile, m->ssl.keyfile, nullptr);
if (ret)
goto mosquitto_error;
ret = mosquitto_tls_insecure_set(m->client, m->ssl.insecure);
if (ret)
goto mosquitto_error;
}
mosquitto_log_callback_set(m->client, mqtt_unthreaded_log_cb);
mosquitto_connect_callback_set(m->client, mqtt_unthreaded_connect_cb);
mosquitto_disconnect_callback_set(m->client, mqtt_unthreaded_disconnect_cb);
mosquitto_message_callback_set(m->client, mqtt_unthreaded_message_cb);
mosquitto_subscribe_callback_set(m->client, mqtt_unthreaded_subscribe_cb);
ret = io_init(&m->io, m->format, &n->in.signals, SAMPLE_HAS_ALL & ~SAMPLE_HAS_OFFSET);
if (ret)
return ret;
ret = io_check(&m->io);
if (ret)
return ret;
ret = pool_init(&m->pool, 1024, SAMPLE_LENGTH(vlist_length(&n->in.signals)), &memory_hugepage);
if (ret)
return ret;
ret = queue_signalled_init(&m->queue, 1024, &memory_hugepage, 0);
if (ret)
return ret;
ret = mosquitto_connect(m->client, m->host, m->port, m->keepalive);
if (ret)
goto mosquitto_error;
//The following while loop exists upon completion of subscibe procedure
while(n->state == STATE_PREPARED){
mqtt_unthreaded_loop(n);
}
return 0;
mosquitto_error:
warning("MQTT: %s", mosquitto_strerror(ret));
return ret;
}
int mqtt_unthreaded_stop(struct node *n)
{
int ret;
struct mqtt *m = (struct mqtt *) n->_vd;
ret = mosquitto_disconnect(m->client);
if (ret)
goto mosquitto_error;
ret = io_destroy(&m->io);
if (ret)
return ret;
return 0;
mosquitto_error:
warning("MQTT: %s", mosquitto_strerror(ret));
return ret;
}
int mqtt_unthreaded_read(struct node *n, struct sample *smps[], unsigned cnt, unsigned *release)
{
int pulled=0;
mqtt_unthreaded_loop(n);
if(cnt > 0){
struct mqtt *m = (struct mqtt *) n->_vd;
struct sample *smpt[cnt];
pulled = queue_signalled_pull_many(&m->queue, (void **) smpt, cnt);
sample_copy_many(smps, smpt, pulled);
sample_decref_many(smpt, pulled);
}
return pulled;
}
int mqtt_unthreaded_write(struct node *n, struct sample *smps[], unsigned cnt, unsigned *release)
{
int ret;
struct mqtt *m = (struct mqtt *) n->_vd;
size_t wbytes;
char data[1500];
ret = io_sprint(&m->io, data, sizeof(data), &wbytes, smps, cnt);
if (ret < 0)
return ret;
if (m->publish) {
ret = mosquitto_publish(m->client, nullptr /* mid */, m->publish, wbytes, data, m->qos, m->retain);
if (ret != MOSQ_ERR_SUCCESS) {
warning("MQTT: publish failed for node %s: %s", node_name(n), mosquitto_strerror(ret));
return -abs(ret);
}
}
else
warning("MQTT: no publish for node %s possible because no publish topic is given", node_name(n));
mqtt_unthreaded_loop(n);
return cnt;
}
int mqtt_unthreaded_loop(struct node *n){
int ret;
struct mqtt *m = (struct mqtt *) n->_vd;
//Carry out network operations in a synchronous way.
ret = mosquitto_loop(m->client, 0, 1);
if(ret){
warning("MQTT: connection error for node %s: %s, attempting reconnect", node_name(n), mosquitto_strerror(ret));
ret = mosquitto_reconnect(m->client);
if(ret != MOSQ_ERR_SUCCESS){
error("MQTT: reconnection to broker failed for node %s: %s", node_name(n), mosquitto_strerror(ret));
}
else{
warning("MQTT: successfully reconnected to broker for node %s: %s", node_name(n), mosquitto_strerror(ret));
}
ret = mosquitto_loop(m->client, -1, 1);
if(ret != MOSQ_ERR_SUCCESS){
error("MQTT: persisting connection error for node %s: %s", node_name(n), mosquitto_strerror(ret));
}
}
return 0;
}
int mqtt_unthreaded_poll_fds(struct node *n, int fds[])
{
struct mqtt *m = (struct mqtt *) n->_vd;
fds[0] = queue_signalled_fd(&m->queue);
return 1;
}
static struct plugin p;
__attribute__((constructor(110)))
static void register_plugin() {
if (plugins.state == STATE_DESTROYED)
vlist_init(&plugins);
p.name = "mqtt_unthreaded";
p.description = "Message Queuing Telemetry Transport (libmosquitto), unthreaded variant";
p.type = PLUGIN_TYPE_NODE;
p.node.instances.state = STATE_DESTROYED;
p.node.vectorize = 0;
p.node.size = sizeof(struct mqtt);
p.node.type.start = mqtt_type_start;
p.node.type.stop = mqtt_type_stop;
p.node.destroy = mqtt_destroy;
p.node.parse = mqtt_parse;
p.node.check = mqtt_unthreaded_check;
p.node.print = mqtt_print;
p.node.start = mqtt_unthreaded_start;
p.node.stop = mqtt_unthreaded_stop;
p.node.read = mqtt_unthreaded_read;
p.node.write = mqtt_unthreaded_write;
p.node.reverse = mqtt_reverse;
p.node.poll_fds = mqtt_unthreaded_poll_fds;
vlist_init(&p.node.instances);
vlist_push(&plugins, &p);
}
__attribute__((destructor(110)))
static void deregister_plugin() {
if (plugins.state != STATE_DESTROYED)
vlist_remove_all(&plugins, &p);
}