diff --git a/apps/emqx_coap/LICENSE b/apps/emqx_coap/LICENSE deleted file mode 100644 index 5a5418f0f..000000000 --- a/apps/emqx_coap/LICENSE +++ /dev/null @@ -1,191 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - - 2. Grant of Copyright License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - copyright license to reproduce, prepare Derivative Works of, - publicly display, publicly perform, sublicense, and distribute the - Work and such Derivative Works in Source or Object form. - - 3. Grant of Patent License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - (except as stated in this section) patent license to make, have made, - use, offer to sell, sell, import, and otherwise transfer the Work, - where such license applies only to those patent claims licensable - by such Contributor that are necessarily infringed by their - Contribution(s) alone or by combination of their Contribution(s) - with the Work to which such Contribution(s) was submitted. If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - - 4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - - 5. Submission of Contributions. Unless You explicitly state otherwise, - any Contribution intentionally submitted for inclusion in the Work - by You to the Licensor shall be under the terms and conditions of - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - - 6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - - 7. Disclaimer of Warranty. Unless required by applicable law or - agreed to in writing, Licensor provides the Work (and each - Contributor provides its Contributions) on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - implied, including, without limitation, any warranties or conditions - of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A - PARTICULAR PURPOSE. You are solely responsible for determining the - appropriateness of using or redistributing the Work and assume any - risks associated with Your exercise of permissions under this License. - - 8. Limitation of Liability. In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - - Copyright 2023, JianBo He . - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - diff --git a/apps/emqx_exproto/LICENSE b/apps/emqx_exproto/LICENSE deleted file mode 100644 index 5a5418f0f..000000000 --- a/apps/emqx_exproto/LICENSE +++ /dev/null @@ -1,191 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - - 2. Grant of Copyright License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - copyright license to reproduce, prepare Derivative Works of, - publicly display, publicly perform, sublicense, and distribute the - Work and such Derivative Works in Source or Object form. - - 3. Grant of Patent License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - (except as stated in this section) patent license to make, have made, - use, offer to sell, sell, import, and otherwise transfer the Work, - where such license applies only to those patent claims licensable - by such Contributor that are necessarily infringed by their - Contribution(s) alone or by combination of their Contribution(s) - with the Work to which such Contribution(s) was submitted. If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - - 4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - - 5. Submission of Contributions. Unless You explicitly state otherwise, - any Contribution intentionally submitted for inclusion in the Work - by You to the Licensor shall be under the terms and conditions of - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - - 6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - - 7. Disclaimer of Warranty. Unless required by applicable law or - agreed to in writing, Licensor provides the Work (and each - Contributor provides its Contributions) on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - implied, including, without limitation, any warranties or conditions - of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A - PARTICULAR PURPOSE. You are solely responsible for determining the - appropriateness of using or redistributing the Work and assume any - risks associated with Your exercise of permissions under this License. - - 8. Limitation of Liability. In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - - Copyright 2023, JianBo He . - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - diff --git a/apps/emqx_lwm2m/LICENSE b/apps/emqx_lwm2m/LICENSE deleted file mode 100644 index 5a5418f0f..000000000 --- a/apps/emqx_lwm2m/LICENSE +++ /dev/null @@ -1,191 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - - 2. Grant of Copyright License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - copyright license to reproduce, prepare Derivative Works of, - publicly display, publicly perform, sublicense, and distribute the - Work and such Derivative Works in Source or Object form. - - 3. Grant of Patent License. Subject to the terms and conditions of - this License, each Contributor hereby grants to You a perpetual, - worldwide, non-exclusive, no-charge, royalty-free, irrevocable - (except as stated in this section) patent license to make, have made, - use, offer to sell, sell, import, and otherwise transfer the Work, - where such license applies only to those patent claims licensable - by such Contributor that are necessarily infringed by their - Contribution(s) alone or by combination of their Contribution(s) - with the Work to which such Contribution(s) was submitted. If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - - 4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - - 5. Submission of Contributions. Unless You explicitly state otherwise, - any Contribution intentionally submitted for inclusion in the Work - by You to the Licensor shall be under the terms and conditions of - this License, without any additional terms or conditions. - Notwithstanding the above, nothing herein shall supersede or modify - the terms of any separate license agreement you may have executed - with Licensor regarding such Contributions. - - 6. Trademarks. This License does not grant permission to use the trade - names, trademarks, service marks, or product names of the Licensor, - except as required for reasonable and customary use in describing the - origin of the Work and reproducing the content of the NOTICE file. - - 7. Disclaimer of Warranty. Unless required by applicable law or - agreed to in writing, Licensor provides the Work (and each - Contributor provides its Contributions) on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or - implied, including, without limitation, any warranties or conditions - of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A - PARTICULAR PURPOSE. You are solely responsible for determining the - appropriateness of using or redistributing the Work and assume any - risks associated with Your exercise of permissions under this License. - - 8. Limitation of Liability. In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - - Copyright 2023, JianBo He . - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - diff --git a/apps/emqx_lwm2m/README.md b/apps/emqx_lwm2m/README.md index faca6dad3..678d74dcf 100644 --- a/apps/emqx_lwm2m/README.md +++ b/apps/emqx_lwm2m/README.md @@ -1,356 +1,61 @@ -# LwM2M Gateway +# emqx_lwm2m -[The LwM2M Specifications](http://www.openmobilealliance.org/release/LightweightM2M) is a Lightweight Machine to Machine protocol. +[LwM2M (Lightweight Machine-to-Machine)](https://lwm2m.openmobilealliance.org/) +is a protocol designed for IoT devices and machine-to-machine communication. +It is a lightweight protocol that supports devices with limited processing power and memory. -With `emqx_lwm2m`, user is able to send LwM2M commands(READ/WRITE/EXECUTE/...) and get LwM2M response in MQTT way. `emqx_lwm2m` transforms data between MQTT and LwM2M protocol. + +The **LwM2M Gateway** in EMQX can accept LwM2M clients and translate theirevents +and messages into MQTT Publish messages. + +In the current implementation, it has the following limitations: +- Based UDP/DTLS transport. +- Only supports v1.0.2. The v1.1.x and v1.2.x is not supported yet. +- Not included LwM2M Bootstrap services. + +## Quick Start + +In EMQX 5.0, LwM2M gateways can be configured and enabled through the Dashboard. + +It can also be enabled via the HTTP API, and emqx.conf e.g, In emqx.conf: + +```properties +gateway.lwm2m { + xml_dir = "etc/lwm2m_xml/" + auto_observe = true + enable_stats = true + idle_timeout = "30s" + lifetime_max = "86400s" + lifetime_min = "1s" + mountpoint = "lwm2m/${endpoint_namea}/" + qmode_time_window = "22s" + update_msg_publish_condition = "contains_object_list" + translators { + command {qos = 0, topic = "dn/#"} + notify {qos = 0, topic = "up/notify"} + register {qos = 0, topic = "up/resp"} + response {qos = 0, topic = "up/resp"} + update {qos = 0, topic = "up/update"} + } + listeners { + udp { + default { + bind = "5783" + max_conn_rate = 1000 + max_connections = 1024000 + } + } + } +} +``` + +> Note: +> Configuring the gateway via emqx.conf requires changes on a per-node basis, +> but configuring it via Dashboard or the HTTP API will take effect across the cluster. +::: + +## Object definations emqx_lwm2m needs object definitions to parse data from lwm2m devices. Object definitions are declared by organizations in XML format, you could find those XMLs from [LwM2MRegistry](http://www.openmobilealliance.org/wp/OMNA/LwM2M/LwM2MRegistry.html), download and put them into the directory specified by `lwm2m.xml_dir`. If no associated object definition is found, response from device will be discarded and report an error message in log. -## Load emqx_lwm2m - -``` -./bin/emqx_ctl plugins load emqx_lwm2m -``` - -## Test emqx-lwm2m using *wakaama* - -[wakaama](https://github.com/eclipse/wakaama) is an easy-to-use lwm2m client command line tool. - -Start *lwm2mclient* using an endpoint name `ep1`: -``` -./lwm2mclient -n ep1 -h 127.0.0.1 -p 5683 -4 -``` - -To send an LwM2M DISCOVER command to *lwm2mclient*, publish an MQTT message to topic `lwm2m//dn` (where `` is the endpoint name of the client), with following payload: - -```json -{ - "reqID": "2", - "msgType": "discover", - "data": { - "path": "/3/0" - } -} -``` - -The MQTT message will be translated to an LwM2M DISCOVER command and sent to the *lwm2mclient*. Then the response of *lwm2mclient* will be in turn translated to an MQTT message, with topic `lwm2m//up/resp`, with following payload: - -```json -{ - "reqID": "2", - "msgType": "discover", - "data": { - "code":"2.05", - "codeMsg": "content", - "content": [ - ";dim=8", - "", - "", - "", - "" - ] - } -} -``` - -## LwM2M <--> MQTT Mapping - -### Register/Update (LwM2M Client Registration Interface) - -- **LwM2M Register and Update message will be converted to following MQTT message:** - - - **Method:** PUBLISH - - **Topic:** `lwm2m/{?EndpointName}/up/resp` (configurable) - - **Payload**: - - MsgType **register** and **update**: - ```json - { - "msgType": {?MsgType}, - "data": { - "ep": {?EndpointName}, - "lt": {?LifeTime}, - "sms": {?MSISDN}, - "lwm2m": {?Lwm2mVersion}, - "b": {?Binding}, - "alternatePath": {?AlternatePath}, - "objectList": {?ObjectList} - } - } - ``` - - {?EndpointName}: String, the endpoint name of the LwM2M client - - {?MsgType}: String, could be: - - "register": LwM2M Register - - "update": LwM2M Update - - "data" contains the query options and the object-list of the register message - - The *update* message is only published if the object-list changed. - -### Downlink Command and Uplink Response (LwM2M Device Management & Service Enablement Interface) - -- **To send a downlink command to device, publish following MQTT message:** - - **Method:** PUBLISH - - **Topic:** `lwm2m/{?EndpointName}/dn` - - **Request Payload**: - ```json - { - "reqID": {?ReqID}, - "msgType": {?MsgType}, - "data": {?Data} - } - ``` - - {?ReqID}: Integer, request-id, used for matching the response to the request - - {?MsgType}: String, can be one of the following: - - "read": LwM2M Read - - "discover": LwM2M Discover - - "write": LwM2M Write - - "write-attr": LwM2M Write Attributes - - "execute": LwM2M Execute - - "create": LwM2M Create - - "delete": LwM2M Delete - - {?Data}: JSON Object, its value depends on the {?MsgType}: - - **If {?MsgType} = "read" or "discover"**: - ```json - { - "path": {?ResourcePath} - } - ``` - - {?ResourcePath}: String, LwM2M full resource path. e.g. "3/0", "/3/0/0", "/3/0/6/0" - - **If {?MsgType} = "write" (single write)**: - ```json - { - "path": {?ResourcePath}, - "type": {?ValueType}, - "value": {?Value} - } - ``` - - {?ValueType}: String, can be: "Time", "String", "Integer", "Float", "Boolean", "Opaque", "Objlnk" - - {?Value}: Value of the resource, depends on "type". - - **If {?MsgType} = "write" (batch write)**: - ```json - { - "basePath": {?BasePath}, - "content": [ - { - "path": {?ResourcePath}, - "type": {?ValueType}, - "value": {?Value} - } - ] - } - ``` - - The full path is concatenation of "basePath" and "path". - - **If {?MsgType} = "write-attr"**: - ```json - { - "path": {?ResourcePath}, - "pmin": {?PeriodMin}, - "pmax": {?PeriodMax}, - "gt": {?GreaterThan}, - "lt": {?LessThan}, - "st": {?Step} - } - ``` - - {?PeriodMin}: Number, LwM2M Notification Class Attribute - Minimum Period. - - {?PeriodMax}: Number, LwM2M Notification Class Attribute - Maximum Period. - - {?GreaterThan}: Number, LwM2M Notification Class Attribute - Greater Than. - - {?LessThan}: Number, LwM2M Notification Class Attribute - Less Than. - - {?Step}: Number, LwM2M Notification Class Attribute - Step. - - - **If {?MsgType} = "execute"**: - ```json - { - "path": {?ResourcePath}, - "args": {?Arguments} - } - ``` - - {?Arguments}: String, LwM2M Execute Arguments. - - - **If {?MsgType} = "create"**: - ```json - { - "basePath": "/{?ObjectID}", - "content": [ - { - "path": {?ResourcePath}, - "type": {?ValueType}, - "value": {?Value} - } - ] - } - ``` - - {?ObjectID}: Integer, LwM2M Object ID - - - **If {?MsgType} = "delete"**: - ```json - { - "path": "{?ObjectID}/{?ObjectInstanceID}" - } - ``` - - {?ObjectInstanceID}: Integer, LwM2M Object Instance ID - -- **The response of LwM2M will be converted to following MQTT message:** - - **Method:** PUBLISH - - **Topic:** `"lwm2m/{?EndpointName}/up/resp"` - - **Response Payload:** - - ```json - { - "reqID": {?ReqID}, - "imei": {?IMEI}, - "imsi": {?IMSI}, - "msgType": {?MsgType}, - "data": {?Data} - } - ``` - - - {?MsgType}: String, can be: - - "read": LwM2M Read - - "discover": LwM2M Discover - - "write": LwM2M Write - - "write-attr": LwM2M Write Attributes - - "execute": LwM2M Execute - - "create": LwM2M Create - - "delete": LwM2M Delete - - **"ack"**: [CoAP Empty ACK](https://tools.ietf.org/html/rfc7252#section-5.2.2) - - {?Data}: JSON Object, its value depends on {?MsgType}: - - **If {?MsgType} = "write", "write-attr", "execute", "create", "delete", or "read"(when response without content)**: - ```json - { - "code": {?StatusCode}, - "codeMsg": {?CodeMsg}, - "reqPath": {?RequestPath} - } - ``` - - {?StatusCode}: String, LwM2M status code, e.g. "2.01", "4.00", etc. - - {?CodeMsg}: String, LwM2M response message, e.g. "content", "bad_request" - - {?RequestPath}: String, the requested "path" or "basePath" - - - **If {?MsgType} = "discover"**: - ```json - { - "code": {?StatusCode}, - "codeMsg": {?CodeMsg}, - "reqPath": {?RequestPath}, - "content": [ - {?Link}, - ... - ] - } - ``` - - {?Link}: String(LwM2M link format) e.g. `""`, `"<3/0/1>;dim=8"` - - - **If {?MsgType} = "read"(when response with content)**: - ```json - { - "code": {?StatusCode}, - "codeMsg": {?CodeMsg}, - "content": {?Content} - } - ``` - - {?Content} - ```json - [ - { - "path": {?ResourcePath}, - "value": {?Value} - } - ] - ``` - - - **If {?MsgType} = "ack", "data" does not exists** - -### Observe (Information Reporting Interface - Observe/Cancel-Observe) - -- **To observe/cancel-observe LwM2M client, send following MQTT PUBLISH:** - - **Method:** PUBLISH - - **Topic:** `lwm2m/{?EndpointName}/dn` - - **Request Payload**: - ```json - { - "reqID": {?ReqID}, - "msgType": {?MsgType}, - "data": { - "path": {?ResourcePath} - } - } - ``` - - {?ResourcePath}: String, the LwM2M resource to be observed/cancel-observed. - - {?MsgType}: String, can be: - - "observe": LwM2M Observe - - "cancel-observe": LwM2M Cancel Observe - - {?ReqID}: Integer, request-id, is the {?ReqID} in the request - -- **Responses will be converted to following MQTT message:** - - **Method:** PUBLISH - - **Topic:** `lwm2m/{?EndpointName}/up/resp` - - **Response Payload**: - ```json - { - "reqID": {?ReqID}, - "msgType": {?MsgType}, - "data": { - "code": {?StatusCode}, - "codeMsg": {?CodeMsg}, - "reqPath": {?RequestPath}, - "content": [ - { - "path": {?ResourcePath}, - "value": {?Value} - } - ] - } - } - ``` - - {?MsgType}: String, can be: - - "observe": LwM2M Observe - - "cancel-observe": LwM2M Cancel Observe - - **"ack"**: [CoAP Empty ACK](https://tools.ietf.org/html/rfc7252#section-5.2.2) - -### Notification (Information Reporting Interface - Notify) - -- **The notifications from LwM2M clients will be converted to MQTT PUBLISH:** - - **Method:** PUBLISH - - **Topic:** `lwm2m/{?EndpiontName}/up/notify` - - **Notification Payload**: - ```json - { - "reqID": {?ReqID}, - "msgType": {?MsgType}, - "seqNum": {?ObserveSeqNum}, - "data": { - "code": {?StatusCode}, - "codeMsg": {?CodeMsg}, - "reqPath": {?RequestPath}, - "content": [ - { - "path": {?ResourcePath}, - "value": {?Value} - } - ] - } - } - ``` - - {?MsgType}: String, must be "notify" - - {?ObserveSeqNum}: Number, value of "Observe" option in CoAP message - - "content": same to the "content" field contains in the response of "read" command - -## Feature limitations - -- emqx_lwm2m implements LwM2M gateway to EMQX, not a full-featured and independent LwM2M server. -- emqx_lwm2m does not include LwM2M bootstrap server. -- emqx_lwm2m supports UDP binding, no SMS binding yet. -- Firmware object is not fully supported now since mqtt to coap block-wise transfer is not available. -- Object Versioning is not supported now. - -## DTLS - -emqx-lwm2m support DTLS to secure UDP data. - -Please config lwm2m.certfile and lwm2m.keyfile in emqx_lwm2m.conf. If certfile or keyfile are invalid, DTLS will be turned off and you could read a error message in the log. - -## License - -Apache License Version 2.0 - -## Author - -EMQX-Men Team. +More documentations: [LwM2M Gateway](https://www.emqx.io/docs/en/v5.0/gateway/lwm2m.html) diff --git a/apps/emqx_mqttsn/LICENSE b/apps/emqx_mqttsn/LICENSE deleted file mode 100644 index 5a5418f0f..000000000 --- a/apps/emqx_mqttsn/LICENSE +++ /dev/null @@ -1,191 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. 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However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - - Copyright 2023, JianBo He . - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - diff --git a/apps/emqx_stomp/LICENSE b/apps/emqx_stomp/LICENSE deleted file mode 100644 index 5a5418f0f..000000000 --- a/apps/emqx_stomp/LICENSE +++ /dev/null @@ -1,191 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. 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