The MQTT broker URL used as default in the examples has ceased operation. All examples and documention have been updated to point to the new domain mqtt.eclipse.org.
This also required an update of the python example test scripts to use TLS 1.2
try:
if transport in ["ws", "wss"]:
client = mqtt.Client(transport="websockets")
- client.ws_set_options(path="/ws", headers=None)
else:
client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
if transport in ["ssl", "wss"]:
- client.tls_set(None, None, None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1, ciphers=None)
+ client.tls_set(None, None, None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)
client.tls_insecure_set(True)
print("Connecting...")
client.connect(broker_host[transport], broker_port[transport], 60)
- Curently support ``mqtt``, ``mqtts``, ``ws``, ``wss`` schemes
- MQTT over TCP samples:
- - ``mqtt://iot.eclipse.org``: MQTT over TCP, default port 1883:
- - ``mqtt://iot.eclipse.org:1884`` MQTT over TCP, port 1884:
- - ``mqtt://username:password@iot.eclipse.org:1884`` MQTT over TCP,
+ - ``mqtt://mqtt.eclipse.org``: MQTT over TCP, default port 1883:
+ - ``mqtt://mqtt.eclipse.org:1884`` MQTT over TCP, port 1884:
+ - ``mqtt://username:password@mqtt.eclipse.org:1884`` MQTT over TCP,
port 1884, with username and password
- MQTT over SSL samples:
- - ``mqtts://iot.eclipse.org``: MQTT over SSL, port 8883
- - ``mqtts://iot.eclipse.org:8884``: MQTT over SSL, port 8884
+ - ``mqtts://mqtt.eclipse.org``: MQTT over SSL, port 8883
+ - ``mqtts://mqtt.eclipse.org:8884``: MQTT over SSL, port 8884
- MQTT over Websocket samples:
- - ``ws://iot.eclipse.org:80/ws``
+ - ``ws://mqtt.eclipse.org:80/mqtt``
- MQTT over Websocket Secure samples:
- - ``wss://iot.eclipse.org:443/ws``
+ - ``wss://mqtt.eclipse.org:443/mqtt``
- Minimal configurations:
.. code:: c
const esp_mqtt_client_config_t mqtt_cfg = {
- .uri = "mqtt://iot.eclipse.org",
+ .uri = "mqtt://mqtt.eclipse.org",
// .user_context = (void *)your_context
};
esp_mqtt_client_handle_t client = esp_mqtt_client_init(&mqtt_cfg);
.. code:: c
const esp_mqtt_client_config_t mqtt_cfg = {
- .uri = "mqtt://iot.eclipse.org:1234",
+ .uri = "mqtt://mqtt.eclipse.org:1234",
.port = 4567,
};
- //MQTT client will connect to iot.eclipse.org using port 4567
+ //MQTT client will connect to mqtt.eclipse.org using port 4567
SSL
^^^
-- Get certificate from server, example: ``iot.eclipse.org``
- ``openssl s_client -showcerts -connect iot.eclipse.org:8883 </dev/null 2>/dev/null|openssl x509 -outform PEM >iot_eclipse_org.pem``
+- Get certificate from server, example: ``mqtt.eclipse.org``
+ ``openssl s_client -showcerts -connect mqtt.eclipse.org:8883 </dev/null 2>/dev/null|openssl x509 -outform PEM >mqtt_eclipse_org.pem``
- Check the sample application: ``examples/mqtt_ssl``
- Configuration:
.. code:: cpp
const esp_mqtt_client_config_t mqtt_cfg = {
- .uri = "mqtts://iot.eclipse.org:8883",
+ .uri = "mqtts://mqtt.eclipse.org:8883",
.event_handle = mqtt_event_handler,
- .cert_pem = (const char *)iot_eclipse_org_pem_start,
+ .cert_pem = (const char *)mqtt_eclipse_org_pem_start,
};
For more options on ``esp_mqtt_client_config_t``, please refer to API reference below
project(mqtt_publish)
-target_add_binary_data(mqtt_publish.elf "main/iot_eclipse_org.pem" TEXT)
+target_add_binary_data(mqtt_publish.elf "main/mqtt_eclipse_org.pem" TEXT)
config EXAMPLE_BROKER_SSL_URI
string "Broker SSL URL"
- default "mqtts://iot.eclipse.org:8883"
+ default "mqtts://mqtt.eclipse.org:8883"
help
URL of an mqtt broker for ssl transport
config EXAMPLE_BROKER_TCP_URI
string "Broker TCP URL"
- default "mqtt://iot.eclipse.org:1883"
+ default "mqtt://mqtt.eclipse.org:1883"
help
URL of an mqtt broker for tcp transport
config EXAMPLE_BROKER_WS_URI
string "Broker WS URL"
- default "ws://iot.eclipse.org:80/ws"
+ default "ws://mqtt.eclipse.org:80/mqtt"
help
URL of an mqtt broker for ws transport
config EXAMPLE_BROKER_WSS_URI
string "Broker WSS URL"
- default "wss://iot.eclipse.org:443/ws"
+ default "wss://mqtt.eclipse.org:443/mqtt"
help
URL of an mqtt broker for wss transport
-COMPONENT_EMBED_TXTFILES := iot_eclipse_org.pem
+COMPONENT_EMBED_TXTFILES := mqtt_eclipse_org.pem
#if CONFIG_EXAMPLE_BROKER_CERTIFICATE_OVERRIDDEN == 1
-static const uint8_t iot_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_EXAMPLE_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
+static const uint8_t mqtt_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_EXAMPLE_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
#else
-extern const uint8_t iot_eclipse_org_pem_start[] asm("_binary_iot_eclipse_org_pem_start");
+extern const uint8_t mqtt_eclipse_org_pem_start[] asm("_binary_mqtt_eclipse_org_pem_start");
#endif
-extern const uint8_t iot_eclipse_org_pem_end[] asm("_binary_iot_eclipse_org_pem_end");
+extern const uint8_t mqtt_eclipse_org_pem_end[] asm("_binary_mqtt_eclipse_org_pem_end");
static esp_err_t mqtt_event_handler(esp_mqtt_event_handle_t event)
{
mqtt_event_group = xEventGroupCreate();
const esp_mqtt_client_config_t mqtt_cfg = {
.event_handle = mqtt_event_handler,
- .cert_pem = (const char *)iot_eclipse_org_pem_start,
+ .cert_pem = (const char *)mqtt_eclipse_org_pem_start,
};
ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(mqtt_ssl)
-target_add_binary_data(mqtt_ssl.elf "main/iot_eclipse_org.pem" TEXT)
+target_add_binary_data(mqtt_ssl.elf "main/mqtt_eclipse_org.pem" TEXT)
(See the README.md file in the upper level 'examples' directory for more information about examples.)
-This example connects to the broker iot.eclipse.org using ssl transport and as a demonstration subscribes/unsubscribes and send a message on certain topic.
+This example connects to the broker mqtt.eclipse.org using ssl transport and as a demonstration subscribes/unsubscribes and send a message on certain topic.
(Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.
* Configure Wi-Fi or Ethernet under "Example Connection Configuration" menu. See "Establishing Wi-Fi or Ethernet Connection" section in [examples/protocols/README.md](../../README.md) for more details.
* When using Make build system, set `Default serial port` under `Serial flasher config`.
-PEM certificate for this example could be extracted from an openssl `s_client` command connecting to iot.eclipse.org.
+PEM certificate for this example could be extracted from an openssl `s_client` command connecting to mqtt.eclipse.org.
In case a host operating system has `openssl` and `sed` packages installed, one could execute the following command to download and save the root certificate to a file (Note for Windows users: Both Linux like environment or Windows native packages may be used).
```
-echo "" | openssl s_client -showcerts -connect iot.eclipse.org:8883 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >iot_eclipse_org.pem
+echo "" | openssl s_client -showcerts -connect mqtt.eclipse.org:8883 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >mqtt_eclipse_org.pem
```
Please note that this is not a general command for downloading a root certificate for an arbitrary host;
-this command works with iot.eclipse.org as the site provides root certificate in the chain, which then could be extracted
+this command works with mqtt.eclipse.org as the site provides root certificate in the chain, which then could be extracted
with text operation.
### Build and Flash
config BROKER_URI
string "Broker URL"
- default "mqtts://iot.eclipse.org:8883"
+ default "mqtts://mqtt.eclipse.org:8883"
help
URL of an mqtt broker which this example connects to.
#if CONFIG_BROKER_CERTIFICATE_OVERRIDDEN == 1
-static const uint8_t iot_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
+static const uint8_t mqtt_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
#else
-extern const uint8_t iot_eclipse_org_pem_start[] asm("_binary_iot_eclipse_org_pem_start");
+extern const uint8_t mqtt_eclipse_org_pem_start[] asm("_binary_mqtt_eclipse_org_pem_start");
#endif
-extern const uint8_t iot_eclipse_org_pem_end[] asm("_binary_iot_eclipse_org_pem_end");
+extern const uint8_t mqtt_eclipse_org_pem_end[] asm("_binary_mqtt_eclipse_org_pem_end");
static esp_err_t mqtt_event_handler_cb(esp_mqtt_event_handle_t event)
{
{
const esp_mqtt_client_config_t mqtt_cfg = {
.uri = CONFIG_BROKER_URI,
- .cert_pem = (const char *)iot_eclipse_org_pem_start,
+ .cert_pem = (const char *)mqtt_eclipse_org_pem_start,
};
ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
-COMPONENT_EMBED_TXTFILES := iot_eclipse_org.pem
+COMPONENT_EMBED_TXTFILES := mqtt_eclipse_org.pem
client.on_message = on_message
client.tls_set(None,
None,
- None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1, ciphers=None)
+ None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)
client.tls_insecure_set(True)
print("Connecting...")
client.connect(broker_url, broker_port, 60)
config BROKER_URL
string "Broker URL"
- default "mqtt://iot.eclipse.org"
+ default "mqtt://mqtt.eclipse.org"
help
URL of the broker to connect to
(See the README.md file in the upper level 'examples' directory for more information about examples.)
-This example connects to the broker iot.eclipse.org over web sockets as a demonstration subscribes/unsubscribes and send a message on certain topic.
+This example connects to the broker mqtt.eclipse.org over web sockets as a demonstration subscribes/unsubscribes and send a message on certain topic.
(Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.
config BROKER_URI
string "Broker URL"
- default "ws://iot.eclipse.org:80/ws"
+ default "ws://mqtt.eclipse.org:80/mqtt"
help
URL of an mqtt broker which this example connects to.
client = mqtt.Client(transport="websockets")
client.on_connect = on_connect
client.on_message = on_message
- client.ws_set_options(path="/ws", headers=None)
print("Connecting...")
client.connect(broker_url, broker_port, 60)
except Exception:
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(mqtt_websocket_secure)
-target_add_binary_data(mqtt_websocket_secure.elf "main/iot_eclipse_org.pem" TEXT)
+target_add_binary_data(mqtt_websocket_secure.elf "main/mqtt_eclipse_org.pem" TEXT)
# ESP-MQTT MQTT over WSS Sample application
(See the README.md file in the upper level 'examples' directory for more information about examples.)
-This example connects to the broker iot.eclipse.org over secure websockets and as a demonstration subscribes/unsubscribes and send a message on certain topic.
+This example connects to the broker mqtt.eclipse.org over secure websockets and as a demonstration subscribes/unsubscribes and send a message on certain topic.
(Please note that the public broker is maintained by the community so may not be always available, for details please see this [disclaimer](https://iot.eclipse.org/getting-started/#sandboxes))
It uses ESP-MQTT library which implements mqtt client to connect to mqtt broker.
* Configure Wi-Fi or Ethernet under "Example Connection Configuration" menu. See "Establishing Wi-Fi or Ethernet Connection" section in [examples/protocols/README.md](../../README.md) for more details.
* When using Make build system, set `Default serial port` under `Serial flasher config`.
-Note how to create a PEM certificate for iot.eclipse.org:
+Note how to create a PEM certificate for mqtt.eclipse.org:
-PEM certificate for this example could be extracted from an openssl `s_client` command connecting to iot.eclipse.org.
+PEM certificate for this example could be extracted from an openssl `s_client` command connecting to mqtt.eclipse.org.
In case a host operating system has `openssl` and `sed` packages installed, one could execute the following command to download and save the root certificate to a file (Note for Windows users: Both Linux like environment or Windows native packages may be used).
```
-echo "" | openssl s_client -showcerts -connect iot.eclipse.org:443 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >iot_eclipse_org.pem
+echo "" | openssl s_client -showcerts -connect mqtt.eclipse.org:443 | sed -n "1,/Root/d; /BEGIN/,/END/p" | openssl x509 -outform PEM >mqtt_eclipse_org.pem
```
Please note that this is not a general command for downloading a root certificate for an arbitrary host;
-this command works with iot.eclipse.org as the site provides root certificate in the chain, which then could be extracted
+this command works with mqtt.eclipse.org as the site provides root certificate in the chain, which then could be extracted
with text operation.
### Build and Flash
config BROKER_URI
string "Broker URL"
- default "wss://iot.eclipse.org:443/ws"
+ default "wss://mqtt.eclipse.org:443/mqtt"
help
URL of an mqtt broker which this example connects to.
#if CONFIG_BROKER_CERTIFICATE_OVERRIDDEN == 1
-static const uint8_t iot_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
+static const uint8_t mqtt_eclipse_org_pem_start[] = "-----BEGIN CERTIFICATE-----\n" CONFIG_BROKER_CERTIFICATE_OVERRIDE "\n-----END CERTIFICATE-----";
#else
-extern const uint8_t iot_eclipse_org_pem_start[] asm("_binary_iot_eclipse_org_pem_start");
+extern const uint8_t mqtt_eclipse_org_pem_start[] asm("_binary_mqtt_eclipse_org_pem_start");
#endif
-extern const uint8_t iot_eclipse_org_pem_end[] asm("_binary_iot_eclipse_org_pem_end");
+extern const uint8_t mqtt_eclipse_org_pem_end[] asm("_binary_mqtt_eclipse_org_pem_end");
static esp_err_t mqtt_event_handler_cb(esp_mqtt_event_handle_t event)
{
{
const esp_mqtt_client_config_t mqtt_cfg = {
.uri = CONFIG_BROKER_URI,
- .cert_pem = (const char *)iot_eclipse_org_pem_start,
+ .cert_pem = (const char *)mqtt_eclipse_org_pem_start,
};
ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
-COMPONENT_EMBED_TXTFILES := iot_eclipse_org.pem
+COMPONENT_EMBED_TXTFILES := mqtt_eclipse_org.pem
client.on_message = on_message
client.tls_set(None,
None,
- None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1, ciphers=None)
+ None, cert_reqs=ssl.CERT_NONE, tls_version=ssl.PROTOCOL_TLSv1_2, ciphers=None)
print("Connecting...")
client.connect(broker_url, broker_port, 60)
except Exception:
#include "sim800.h"
#include "bg96.h"
-#define BROKER_URL "mqtt://iot.eclipse.org"
+#define BROKER_URL "mqtt://mqtt.eclipse.org"
static const char *TAG = "pppos_example";
static EventGroupHandle_t event_group = NULL;
projects / esp-idf / commitdiff