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### GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc.
<https://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.
### Preamble
The GNU General Public License is a free, copyleft license for
software and other kinds of works.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom
to share and change all versions of a program--to make sure it remains
free software for all its users. We, the Free Software Foundation, use
the GNU General Public License for most of our software; it applies
also to any other work released this way by its authors. You can apply
it to your programs, too.
When we speak of free software, we are referring to freedom, not
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Developers that use the GNU GPL protect your rights with two steps:
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The precise terms and conditions for copying, distribution and
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### TERMS AND CONDITIONS
#### 0. Definitions.
"This License" refers to version 3 of the GNU General Public License.
"Copyright" also means copyright-like laws that apply to other kinds
of works, such as semiconductor masks.
"The Program" refers to any copyrightable work licensed under this
License. Each licensee is addressed as "you". "Licensees" and
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To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of
an exact copy. The resulting work is called a "modified version" of
the earlier work or a work "based on" the earlier work.
A "covered work" means either the unmodified Program or a work based
on the Program.
To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy. Propagation includes copying,
distribution (with or without modification), making available to the
public, and in some countries other activities as well.
To "convey" a work means any kind of propagation that enables other
parties to make or receive copies. Mere interaction with a user
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An interactive user interface displays "Appropriate Legal Notices" to
the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License. If
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.
#### 1. Source Code.
The "source code" for a work means the preferred form of the work for
making modifications to it. "Object code" means any non-source form of
a work.
A "Standard Interface" means an interface that either is an official
standard defined by a recognized standards body, or, in the case of
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is widely used among developers working in that language.
The "System Libraries" of an executable work include anything, other
than the work as a whole, that (a) is included in the normal form of
packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that
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"Major Component", in this context, means a major essential component
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produce the work, or an object code interpreter used to run it.
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work) run the object code and to modify the work, including scripts to
control those activities. However, it does not include the work's
System Libraries, or general-purpose tools or generally available free
programs which are used unmodified in performing those activities but
which are not part of the work. For example, Corresponding Source
includes interface definition files associated with source files for
the work, and the source code for shared libraries and dynamically
linked subprograms that the work is specifically designed to require,
such as by intimate data communication or control flow between those
subprograms and other parts of the work.
The Corresponding Source need not include anything that users can
regenerate automatically from other parts of the Corresponding Source.
The Corresponding Source for a work in source code form is that same
work.
#### 2. Basic Permissions.
All rights granted under this License are granted for the term of
copyright on the Program, and are irrevocable provided the stated
conditions are met. This License explicitly affirms your unlimited
permission to run the unmodified Program. The output from running a
covered work is covered by this License only if the output, given its
content, constitutes a covered work. This License acknowledges your
rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not convey,
without conditions so long as your license otherwise remains in force.
You may convey covered works to others for the sole purpose of having
them make modifications exclusively for you, or provide you with
facilities for running those works, provided that you comply with the
terms of this License in conveying all material for which you do not
control copyright. Those thus making or running the covered works for
you must do so exclusively on your behalf, under your direction and
control, on terms that prohibit them from making any copies of your
copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under the
conditions stated below. Sublicensing is not allowed; section 10 makes
it unnecessary.
#### 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological
measure under any applicable law fulfilling obligations under article
11 of the WIPO copyright treaty adopted on 20 December 1996, or
similar laws prohibiting or restricting circumvention of such
measures.
When you convey a covered work, you waive any legal power to forbid
circumvention of technological measures to the extent such
circumvention is effected by exercising rights under this License with
respect to the covered work, and you disclaim any intention to limit
operation or modification of the work as a means of enforcing, against
the work's users, your or third parties' legal rights to forbid
circumvention of technological measures.
#### 4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you
receive it, in any medium, provided that you conspicuously and
appropriately publish on each copy an appropriate copyright notice;
keep intact all notices stating that this License and any
non-permissive terms added in accord with section 7 apply to the code;
keep intact all notices of the absence of any warranty; and give all
recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey,
and you may offer support or warranty protection for a fee.
#### 5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to
produce it from the Program, in the form of source code under the
terms of section 4, provided that you also meet all of these
conditions:
- a) The work must carry prominent notices stating that you modified
it, and giving a relevant date.
- b) The work must carry prominent notices stating that it is
released under this License and any conditions added under
section 7. This requirement modifies the requirement in section 4
to "keep intact all notices".
- c) You must license the entire work, as a whole, under this
License to anyone who comes into possession of a copy. This
License will therefore apply, along with any applicable section 7
additional terms, to the whole of the work, and all its parts,
regardless of how they are packaged. This License gives no
permission to license the work in any other way, but it does not
invalidate such permission if you have separately received it.
- d) If the work has interactive user interfaces, each must display
Appropriate Legal Notices; however, if the Program has interactive
interfaces that do not display Appropriate Legal Notices, your
work need not make them do so.
A compilation of a covered work with other separate and independent
works, which are not by their nature extensions of the covered work,
and which are not combined with it such as to form a larger program,
in or on a volume of a storage or distribution medium, is called an
"aggregate" if the compilation and its resulting copyright are not
used to limit the access or legal rights of the compilation's users
beyond what the individual works permit. Inclusion of a covered work
in an aggregate does not cause this License to apply to the other
parts of the aggregate.
#### 6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of
sections 4 and 5, provided that you also convey the machine-readable
Corresponding Source under the terms of this License, in one of these
ways:
- a) Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by the
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customarily used for software interchange.
- b) Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by a
written offer, valid for at least three years and valid for as
long as you offer spare parts or customer support for that product
model, to give anyone who possesses the object code either (1) a
copy of the Corresponding Source for all the software in the
product that is covered by this License, on a durable physical
medium customarily used for software interchange, for a price no
more than your reasonable cost of physically performing this
conveying of source, or (2) access to copy the Corresponding
Source from a network server at no charge.
- c) Convey individual copies of the object code with a copy of the
written offer to provide the Corresponding Source. This
alternative is allowed only occasionally and noncommercially, and
only if you received the object code with such an offer, in accord
with subsection 6b.
- d) Convey the object code by offering access from a designated
place (gratis or for a charge), and offer equivalent access to the
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further charge. You need not require recipients to copy the
Corresponding Source along with the object code. If the place to
copy the object code is a network server, the Corresponding Source
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If you convey an object code work under this section in, or with, or
specifically for use in, a User Product, and the conveying occurs as
part of a transaction in which the right of possession and use of the
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recipient, or for the User Product in which it has been modified or
installed. Access to a network may be denied when the modification
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Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.
#### 7. Additional Terms.
"Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law. If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it. (Additional permissions may be written to require their own
removal in certain cases when you modify the work.) You may place
additional permissions on material, added by you to a covered work,
for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you
add to a covered work, you may (if authorized by the copyright holders
of that material) supplement the terms of this License with terms:
- a) Disclaiming warranty or limiting liability differently from the
terms of sections 15 and 16 of this License; or
- b) Requiring preservation of specified reasonable legal notices or
author attributions in that material or in the Appropriate Legal
Notices displayed by works containing it; or
- c) Prohibiting misrepresentation of the origin of that material,
or requiring that modified versions of such material be marked in
reasonable ways as different from the original version; or
- d) Limiting the use for publicity purposes of names of licensors
or authors of the material; or
- e) Declining to grant rights under trademark law for use of some
trade names, trademarks, or service marks; or
- f) Requiring indemnification of licensors and authors of that
material by anyone who conveys the material (or modified versions
of it) with contractual assumptions of liability to the recipient,
for any liability that these contractual assumptions directly
impose on those licensors and authors.
All other non-permissive additional terms are considered "further
restrictions" within the meaning of section 10. If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term. If a license document contains
a further restriction but permits relicensing or conveying under this
License, you may add to a covered work material governed by the terms
of that license document, provided that the further restriction does
not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions; the
above requirements apply either way.
#### 8. Termination.
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your license
from a particular copyright holder is reinstated (a) provisionally,
unless and until the copyright holder explicitly and finally
terminates your license, and (b) permanently, if the copyright holder
fails to notify you of the violation by some reasonable means prior to
60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
#### 9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or run
a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.
#### 10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License. You are not responsible
for enforcing compliance by third parties with this License.
An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
#### 11. Patents.
A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's "contributor version".
A contributor's "essential patent claims" are all patent claims owned
or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is "discriminatory" if it does not include within the
scope of its coverage, prohibits the exercise of, or is conditioned on
the non-exercise of one or more of the rights that are specifically
granted under this License. You may not convey a covered work if you
are a party to an arrangement with a third party that is in the
business of distributing software, under which you make payment to the
third party based on the extent of your activity of conveying the
work, and under which the third party grants, to any of the parties
who would receive the covered work from you, a discriminatory patent
license (a) in connection with copies of the covered work conveyed by
you (or copies made from those copies), or (b) primarily for and in
connection with specific products or compilations that contain the
covered work, unless you entered into that arrangement, or that patent
license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
#### 12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under
this License and any other pertinent obligations, then as a
consequence you may not convey it at all. For example, if you agree to
terms that obligate you to collect a royalty for further conveying
from those to whom you convey the Program, the only way you could
satisfy both those terms and this License would be to refrain entirely
from conveying the Program.
#### 13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.
#### 14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions
of the GNU General Public License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in
detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies that a certain numbered version of the GNU General Public
License "or any later version" applies to it, you have the option of
following the terms and conditions either of that numbered version or
of any later version published by the Free Software Foundation. If the
Program does not specify a version number of the GNU General Public
License, you may choose any version ever published by the Free
Software Foundation.
If the Program specifies that a proxy can decide which future versions
of the GNU General Public License can be used, that proxy's public
statement of acceptance of a version permanently authorizes you to
choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
#### 15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
CORRECTION.
#### 16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
#### 17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
### How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these
terms.
To do so, attach the following notices to the program. It is safest to
attach them to the start of each source file to most effectively state
the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
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
(at your option) 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 <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper
mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands \`show w' and \`show c' should show the
appropriate parts of the General Public License. Of course, your
program's commands might be different; for a GUI interface, you would
use an "about box".
You should also get your employer (if you work as a programmer) or
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. For more information on this, and how to apply and follow
the GNU GPL, see <https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your
program into proprietary programs. If your program is a subroutine
library, you may consider it more useful to permit linking proprietary
applications with the library. If this is what you want to do, use the
GNU Lesser General Public License instead of this License. But first,
please read <https://www.gnu.org/licenses/why-not-lgpl.html>.

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hap-z2m Bridge
===============
A HomeKit <-> Zigbee2MQTT bridge written in Go, so I don't have to install more NodeJS rubbish.
It is essentially a Homebridge + homebride-z2m replacement.
It compiles down to a <10 MB static binary instead of another 200++ MB Docker container.
It uses the [hap library](https://github.com/brutella/hap) for interfacing with HomeKit.
It is quite barebones, so there is no configuration for the bridge, apart from the MQTT server & credentials.
The bridge configures and exposes devices based on z2m's MQTT messages.
Currently only supports the types of Zigbee devices I have:
- Climate sensors (temp, humidity)
- Contact sensors
- Wall switch
If you do use this software, note that it's in development and may contains bugs,
or may even burn your house down. I offer no warranty, but you are welcome to file bugs.
Building
=========
To compile `hap-z2m`, use:
go build -v -trimpath -ldflags="-s -w" ./cmd/...
License
========
hap-z2m is licensed under the GNU General Public License v3.
Copyright (C) 2023 Darell Tan
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 (at your option) 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 <https://www.gnu.org/licenses/>.

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package hapz2m
import (
"github.com/brutella/hap"
"github.com/brutella/hap/accessory"
mqtt "github.com/eclipse/paho.mqtt.golang"
"context"
"encoding/json"
"fmt"
"log"
"net/http"
"strings"
"sync"
"time"
)
var (
ErrDeviceExists = fmt.Errorf("device already exists")
ErrDuplicateExposesMapping = fmt.Errorf("duplicate property name in Exposes mapping")
ErrUpdateTimeout = fmt.Errorf("update timeout")
ErrAlreadyConnected = fmt.Errorf("already connected")
)
const (
MQTT_TOPIC_PREFIX = "zigbee2mqtt/"
// Store name for persisting zigbee2mqtt state
Z2M_STATE_STORE = "z2m_state"
// timeout for UpdateZ2MState
Z2M_UPDATE_TIMEOUT = 3 * time.Second
)
const BRIDGE_DEBUG = false
type Bridge struct {
// MQTT broker and credentials
Server string
Username string
Password string
ctx context.Context
bridgeAcc *accessory.Bridge
devices map[string]*BridgeDevice
server *hap.Server
store hap.Store
// RWMutex protects hap init variables below
hapInitMutex sync.RWMutex
hapInitDone bool
hapInitCh chan struct{}
pendingUpdates sync.Map // queued updates before HAP init
mqttClient mqtt.Client
updateListeners sync.Map
}
type BridgeDevice struct {
Device *Device
Accessory *accessory.A
Mappings map[string]*ExposeMapping
}
// Creates and initializes a Bridge.
func NewBridge(ctx context.Context, storeDir string) *Bridge {
br := &Bridge{
ctx: ctx,
store: hap.NewFsStore(storeDir),
hapInitCh: make(chan struct{}),
devices: make(map[string]*BridgeDevice),
}
br.bridgeAcc = accessory.NewBridge(accessory.Info{
Name: "hap-z2m Bridge",
Manufacturer: "geekman",
})
return br
}
// Initializes the hap.Server and calls ListenAndServe().
// ListenAndServe() will block until the context is cancelled
func (br *Bridge) StartHAP() error {
if br.bridgeAcc == nil {
return fmt.Errorf("bridge accessory not created yet")
}
br.hapInitMutex.RLock()
if !br.hapInitDone {
br.hapInitMutex.RUnlock()
return fmt.Errorf("HAP accessories not yet initialized")
}
acc := br.accessories()
br.hapInitMutex.RUnlock()
var err error
br.server, err = hap.NewServer(br.store, br.bridgeAcc.A, acc...)
if err != nil {
return err
}
err = br.server.ListenAndServe(br.ctx)
// disconnect from MQTT
br.mqttClient.Disconnect(1000)
// flush z2m state to disk
if err := br.saveZ2MState(); err != nil {
log.Printf("cannot persist Z2M state: %s", err)
}
return err
}
// Waits until the Bridge has configured itself from Z2M state.
// Once that happens, subsequent calls return immediately.
func (br *Bridge) WaitConfigured() {
for !br.hapInitDone {
<-br.hapInitCh
}
}
// Connects to the MQTT server.
// Blocks until the connection is established, then auto-reconnect logic takes over
func (br *Bridge) ConnectMQTT() error {
if br.mqttClient != nil && br.mqttClient.IsConnected() {
return ErrAlreadyConnected
}
opts := mqtt.NewClientOptions().
AddBroker(br.Server).
SetUsername(br.Username).
SetPassword(br.Password).
SetClientID("hap-z2m").
SetKeepAlive(60 * time.Second).
SetPingTimeout(2 * time.Second).
SetConnectRetry(true)
opts.SetOnConnectHandler(func(c mqtt.Client) {
log.Printf("connected to MQTT broker")
tok := c.Subscribe(MQTT_TOPIC_PREFIX+"#", 0, br.handleMqttMessage)
if tok.Wait() && tok.Error() != nil {
log.Fatal(tok.Error())
}
log.Printf("subscribed to MQTT topic")
})
br.mqttClient = mqtt.NewClient(opts)
if tok := br.mqttClient.Connect(); tok.Wait() && tok.Error() != nil {
return tok.Error()
}
return nil
}
// Load the Z2M state from hap.Store into the sync.Map.
// If the state was blank or not found, a nil error will be returned.
// Existing state for devices in the Map will not be overwritten.
func (br *Bridge) loadZ2MState(m *sync.Map) error {
state, err := br.store.Get(Z2M_STATE_STORE)
if err != nil || len(state) == 0 {
return nil
}
var stateMap map[string][]byte
err = json.Unmarshal(state, &stateMap)
if err != nil {
return err
}
for k, v := range stateMap {
// LoadOrStore retains existing data, only storing if empty
if _, exists := m.LoadOrStore(k, v); exists {
log.Printf("skipping %s, newer data is available", k)
}
}
return nil
}
// Persists the Z2M state into hap.Store
// Returns an error if there was a problem with translation, serialization or storing.
func (br *Bridge) saveZ2MState() error {
devices := make(map[string][]byte)
for name, dev := range br.devices {
devState := make(map[string]any)
for prop, mapping := range dev.Mappings {
v, err := mapping.ToExposedValue(mapping.Characteristic.Val)
if err != nil {
return err
}
devState[prop] = v
}
// serialize into JSON
jsonState, err := json.Marshal(devState)
if err != nil {
return err
}
devices[name] = jsonState
}
allJson, err := json.Marshal(devices)
if err != nil {
return err
}
return br.store.Set(Z2M_STATE_STORE, allJson)
}
func (br *Bridge) handleMqttMessage(_ mqtt.Client, msg mqtt.Message) {
topic, payload := msg.Topic(), msg.Payload()
//log.Printf("received %s %s", topic, payload)
// check for topic prefix and remove it
l := len(MQTT_TOPIC_PREFIX)
if len(topic) <= l || topic[:l] != MQTT_TOPIC_PREFIX {
return
}
topic = topic[l:]
// strip leading slashes if we have to
if topic[0] == '/' {
topic = topic[1:]
}
// ignore /set and /get requests, not sent by z2m
l = len(topic)
if l > len("/get") {
topicSuffix := topic[l-4:]
if topicSuffix == "/get" || topicSuffix == "/set" {
return
}
}
// spawn a goroutine to handle message, since mutex might block
go func() {
br.hapInitMutex.RLock()
defer br.hapInitMutex.RUnlock()
// check if HAP bridge device has been initialized
if !br.hapInitDone {
if strings.HasPrefix(topic, "bridge/") {
// need to look out for bridge/devices for intiial setup
if topic == "bridge/devices" {
err := br.AddDevicesFromJSON(payload)
if err != nil {
log.Printf("unable to add devices from JSON: %v", err)
}
// populate initial characteristic values from cache, if available
err = br.loadZ2MState(&br.pendingUpdates)
if err != nil {
log.Printf("cannot load z2m state: %s", err)
}
// "upgrade" to write lock for modifications
br.hapInitMutex.RUnlock() // unlock now, relock again later
defer br.hapInitMutex.RLock() // ... before defer kicks in
br.hapInitMutex.Lock()
defer br.hapInitMutex.Unlock()
// dequeue and apply state updates
log.Print("applying deferred updates...")
br.pendingUpdates.Range(func(k, v any) bool {
devName := k.(string)
br.UpdateAccessoryState(devName, v.([]byte))
return true // continue
})
br.hapInitDone = true
close(br.hapInitCh) // signal to waiting threads
}
} else {
// queue other messages for state updating after setup
// only keep latest message for each device
log.Printf("queueing updates for %s", topic)
br.pendingUpdates.Store(topic, payload)
}
} else {
br.UpdateAccessoryState(topic, payload)
}
}()
}
// Gets a list of all added accessories
func (br *Bridge) accessories() []*accessory.A {
var acc []*accessory.A
for _, d := range br.devices {
acc = append(acc, d.Accessory)
}
return acc
}
// Creates and calls AddDevice() based on the JSON definitions from zigbee2mqtt/bridge/devices.
func (br *Bridge) AddDevicesFromJSON(devJson []byte) error {
var devices []Device
err := json.Unmarshal(devJson, &devices)
if err != nil {
return err
}
for _, dev := range devices {
dev := dev // make a copy
acc, exp, err := createAccessory(&dev)
if err != nil {
if err == ErrDeviceSkipped {
continue
}
return err
}
err = br.AddDevice(&dev, acc, exp)
if err != nil {
return err
}
}
return nil
}
// Adds a device to this Bridge
func (br *Bridge) AddDevice(dev *Device, acc *accessory.A, mappings []*ExposeMapping) error {
name := dev.FriendlyName
if _, exists := br.devices[name]; exists {
return ErrDeviceExists
}
// put ExposeMapping into a map
em := make(map[string]*ExposeMapping)
for _, m := range mappings {
prop := m.ExposesEntry.Property
if _, exists := em[prop]; exists {
return ErrDuplicateExposesMapping
}
em[prop] = m
}
// wire up accessory's remote value update functions
for _, m := range mappings {
m := m
if m.ExposesEntry.IsSettable() {
m.Characteristic.SetValueRequestFunc = func(newVal any, req *http.Request) (any, int) {
// handle remote value updates only
if req != nil {
updated, err := br.UpdateZ2MState(dev, m, newVal)
if !updated {
log.Printf("error updating z2m for %s: %s", dev.FriendlyName, err)
return nil, hap.JsonStatusServiceCommunicationFailure
}
}
return nil, 0
}
}
}
br.devices[name] = &BridgeDevice{dev, acc, em}
return nil
}
func makeUpdateKey(dev *Device, mapping *ExposeMapping) string {
return dev.FriendlyName + "/" + mapping.ExposesEntry.Property
}
// Updates zigbee2mqtt device state over MQTT.
// It then waits (with timeout) for zigbee2mqtt to send the updated state via MQTT,
// as acknowledgement of receipt, before returning with an updated status.
// If z2m doesn't respond in time, ErrUpdateTimeout is returned.
func (br *Bridge) UpdateZ2MState(dev *Device, mapping *ExposeMapping, newVal any) (updated bool, err error) {
prop := mapping.ExposesEntry.Property
// map Characteristic to exposed value
expVal, err := mapping.ToExposedValue(newVal)
if err != nil {
return updated, err
}
ch := make(chan any, 2)
defer close(ch)
// only one update should occur at a time
key := makeUpdateKey(dev, mapping)
if _, exists := br.updateListeners.LoadOrStore(key, ch); exists {
return updated, fmt.Errorf("already a pending update on property %s", key)
}
ctx, cancel := context.WithTimeout(br.ctx, Z2M_UPDATE_TIMEOUT)
defer cancel()
log.Printf("updating Z2M state %q -> %+v", prop, expVal)
br.PublishState(dev, map[string]any{prop: expVal})
wait:
for {
select {
case updatedVal := <-ch:
if BRIDGE_DEBUG {
log.Printf("received value %q (expected %q) for %s", updatedVal, expVal, key)
}
if updatedVal == expVal {
updated = true
break wait
}
case <-ctx.Done():
break wait
}
}
//br.updateListeners.CompareAndDelete(key, ch) // needs go 1.20
br.updateListeners.Delete(key)
if !updated {
err = ErrUpdateTimeout
}
return updated, err
}
// Publish to the MQTT broker for the specific device
func (br *Bridge) PublishState(dev *Device, payload map[string]any) error {
topic := MQTT_TOPIC_PREFIX + dev.FriendlyName + "/set"
jsonPayload, err := json.Marshal(payload)
if err != nil {
return err
}
if BRIDGE_DEBUG {
log.Printf("publishing %q payload %s", topic, jsonPayload)
}
br.mqttClient.Publish(topic, 0, false, jsonPayload)
return nil
}
// Handle MQTT message to update accessory state
func (br *Bridge) UpdateAccessoryState(devName string, payload []byte) {
dev := br.devices[devName]
if dev == nil {
// skip unknown device
//log.Printf("unknown device %q", devName)
return
}
if BRIDGE_DEBUG {
log.Printf("received update for device %q", devName)
}
var newState map[string]any
err := json.Unmarshal([]byte(payload), &newState)
if err != nil {
log.Printf("unable to parse JSON payload: %v", err)
return
}
for prop, mapping := range dev.Mappings {
newVal, exists := newState[prop]
if !exists {
continue
}
// send updates via channel if requested
if mapping.ExposesEntry.IsSettable() {
updateKey := makeUpdateKey(dev.Device, mapping)
if ch, waiting := br.updateListeners.Load(updateKey); waiting {
if BRIDGE_DEBUG {
log.Printf("sending new value for %q via chan", updateKey)
}
select {
case ch.(chan any) <- newVal:
default:
// couldn't send message
log.Printf("cannot deliver updated value via channel")
}
continue // next property
}
}
// update value into Characteristic
if BRIDGE_DEBUG {
log.Printf("updating %q to %+v", prop, newVal)
}
_, errCode := mapping.SetCharacteristicValue(newVal)
if errCode != 0 {
log.Printf("unable to update characteristic value for %q: %d", prop, errCode)
}
}
}

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package main
import (
"hapz2m"
"context"
"encoding/json"
"flag"
"fmt"
"log"
"net/http"
"os"
"os/signal"
"regexp"
"syscall"
)
var (
// matches whole line comments in config file
CONFIG_COMMENTS_RE = regexp.MustCompile(`(?m)^\s*//.*$`)
// for MQTT server URI validation
SERVER_URL_RE = regexp.MustCompile(`^[a-z]+://.*:[0-9]{1,5}$`)
)
var (
configFile = flag.String("config", "/etc/hapz2m.conf", "config file")
dbPath = flag.String("db", "/var/lib/hapz2m", "db path")
)
type config struct {
Server, Username, Password string
}
func parseConfig(fname string) (cfg *config, err error) {
cfgStr, err := os.ReadFile(fname)
if err != nil {
return
}
// remove line comments, json.Unmarshal can't parse them
cfgStr = CONFIG_COMMENTS_RE.ReplaceAllLiteral(cfgStr, []byte{})
cfg = &config{}
if err = json.Unmarshal(cfgStr, cfg); err != nil {
return
}
// sanity check
if cfg.Server == "" {
err = fmt.Errorf("MQTT server not specified")
} else if !SERVER_URL_RE.MatchString(cfg.Server) {
err = fmt.Errorf("invalid MQTT server: needs to be in URL format with port")
}
return
}
func main() {
flag.Parse()
cfg, err := parseConfig(*configFile)
if err != nil {
log.Fatalf("config file error: %v", err)
}
ctx, shutdown := context.WithCancel(context.Background())
br := hapz2m.NewBridge(ctx, *dbPath)
br.Server = cfg.Server
br.Username = cfg.Username
br.Password = cfg.Password
err = br.ConnectMQTT()
if err != nil {
log.Printf("cannot connect to MQTT: %s", err)
return
}
// listen for termination signals
c := make(chan os.Signal, 1) // use `1` here to appear go vet: https://github.com/golang/go/issues/45604
signal.Notify(c, os.Interrupt)
signal.Notify(c, syscall.SIGTERM)
go func() {
<-c
signal.Stop(c)
shutdown()
}()
br.WaitConfigured()
log.Println("hapz2m configured. starting HAP server...")
err = br.StartHAP()
if err != nil {
if err == http.ErrServerClosed {
log.Printf("HAP server was shutdown")
} else {
log.Printf("error starting server: %v", err)
}
}
}

24
go.mod Normal file
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module hapz2m
go 1.20
require (
github.com/brutella/hap v0.0.26-0.20230413145315-4d1fbc179bbb
github.com/eclipse/paho.mqtt.golang v1.4.2
)
require (
github.com/brutella/dnssd v1.2.6 // indirect
github.com/go-chi/chi v1.5.4 // indirect
github.com/gorilla/websocket v1.4.2 // indirect
github.com/miekg/dns v1.1.53 // indirect
github.com/tadglines/go-pkgs v0.0.0-20210623144937-b983b20f54f9 // indirect
github.com/xiam/to v0.0.0-20200126224905-d60d31e03561 // indirect
golang.org/x/crypto v0.8.0 // indirect
golang.org/x/mod v0.10.0 // indirect
golang.org/x/net v0.9.0 // indirect
golang.org/x/sync v0.1.0 // indirect
golang.org/x/sys v0.7.0 // indirect
golang.org/x/text v0.9.0 // indirect
golang.org/x/tools v0.8.0 // indirect
)

86
go.sum Normal file
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@@ -0,0 +1,86 @@
github.com/brutella/dnssd v1.2.6 h1:/0P13JkHLRzeLQkWRPEn4hJCr4T3NfknIFw3aNPIC34=
github.com/brutella/dnssd v1.2.6/go.mod h1:JoW2sJUrmVIef25G6lrLj7HS6Xdwh6q8WUIvMkkBYXs=
github.com/brutella/hap v0.0.26-0.20230413145315-4d1fbc179bbb h1:Pfh+FPHinTvHjGjvf3xW+IrJl+FL1tAZOlW2l2sWQ2g=
github.com/brutella/hap v0.0.26-0.20230413145315-4d1fbc179bbb/go.mod h1:jq5zNqV0/sUSWnYQ9hBUDDXGfBiZJm1TtnptNw02PfI=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/eclipse/paho.mqtt.golang v1.4.2 h1:66wOzfUHSSI1zamx7jR6yMEI5EuHnT1G6rNA5PM12m4=
github.com/eclipse/paho.mqtt.golang v1.4.2/go.mod h1:JGt0RsEwEX+Xa/agj90YJ9d9DH2b7upDZMK9HRbFvCA=
github.com/go-chi/chi v1.5.4 h1:QHdzF2szwjqVV4wmByUnTcsbIg7UGaQ0tPF2t5GcAIs=
github.com/go-chi/chi v1.5.4/go.mod h1:uaf8YgoFazUOkPBG7fxPftUylNumIev9awIWOENIuEg=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/miekg/dns v1.1.50/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
github.com/miekg/dns v1.1.53 h1:ZBkuHr5dxHtB1caEOlZTLPo7D3L3TWckgUUs/RHfDxw=
github.com/miekg/dns v1.1.53/go.mod h1:uInx36IzPl7FYnDcMeVWxj9byh7DutNykX4G9Sj60FY=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/tadglines/go-pkgs v0.0.0-20210623144937-b983b20f54f9 h1:aeN+ghOV0b2VCmKKO3gqnDQ8mLbpABZgRR2FVYx4ouI=
github.com/tadglines/go-pkgs v0.0.0-20210623144937-b983b20f54f9/go.mod h1:roo6cZ/uqpwKMuvPG0YmzI5+AmUiMWfjCBZpGXqbTxE=
github.com/xiam/to v0.0.0-20200126224905-d60d31e03561 h1:SVoNK97S6JlaYlHcaC+79tg3JUlQABcc0dH2VQ4Y+9s=
github.com/xiam/to v0.0.0-20200126224905-d60d31e03561/go.mod h1:cqbG7phSzrbdg3aj+Kn63bpVruzwDZi58CpxlZkjwzw=
github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/crypto v0.0.0-20220131195533-30dcbda58838/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
golang.org/x/crypto v0.8.0 h1:pd9TJtTueMTVQXzk8E2XESSMQDj/U7OUu0PqJqPXQjQ=
golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE=
golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/mod v0.10.0 h1:lFO9qtOdlre5W1jxS3r/4szv2/6iXxScdzjoBMXNhYk=
golang.org/x/mod v0.10.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200425230154-ff2c4b7c35a0/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/net v0.9.0 h1:aWJ/m6xSmxWBx+V0XRHTlrYrPG56jKsLdTFmsSsCzOM=
golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/tools v0.8.0 h1:vSDcovVPld282ceKgDimkRSC8kpaH1dgyc9UMzlt84Y=
golang.org/x/tools v0.8.0/go.mod h1:JxBZ99ISMI5ViVkT1tr6tdNmXeTrcpVSD3vZ1RsRdN4=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

6
hapz2m.conf Normal file
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@@ -0,0 +1,6 @@
{
// MQTT server credentials
"Server": "tcp://localhost:1883",
"Username": "hapz2m",
"Password": "my_s3cr3t_PasSw0rd"
}

34
s_battery.go Normal file
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@@ -0,0 +1,34 @@
package hapz2m
import (
"github.com/brutella/hap/accessory"
"github.com/brutella/hap/characteristic"
"github.com/brutella/hap/service"
)
func createBatteryServices(dev *Device) (byte, []*service.S, []*ExposeMapping, error) {
var svcs []*service.S
var exposes []*ExposeMapping
for _, exp := range dev.Definition.Exposes {
if exp.Ignored() {
continue
}
switch {
case exp.Type == "numeric" && exp.Name == "battery":
exp := exp // create a copy
batt := service.NewBatteryService()
batt.ChargingState.SetValue(characteristic.ChargingStateNotChargeable)
svcs = append(svcs, batt.S)
exposes = append(exposes, &ExposeMapping{&exp, batt.BatteryLevel.C, nil})
}
}
return accessory.TypeUnknown, svcs, exposes, nil
}
func init() {
RegisterCreateServiceHandler(createBatteryServices)
}

53
s_climate_sensors.go Normal file
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@@ -0,0 +1,53 @@
package hapz2m
import (
"github.com/brutella/hap/accessory"
"github.com/brutella/hap/service"
)
func createClimateServices(dev *Device) (byte, []*service.S, []*ExposeMapping, error) {
var svcs []*service.S
var exposes []*ExposeMapping
for _, exp := range dev.Definition.Exposes {
if exp.Ignored() {
continue
}
// climate sensors are numeric only
if exp.Type != "numeric" {
continue
}
exp := exp // create a copy
switch {
case exp.Name == "temperature":
s := service.NewTemperatureSensor()
// doesn't do anything, since the Home app seem to round values to 0.25 increments regardless
// https://developer.apple.com/forums/thread/674461
// https://github.com/home-assistant/core/issues/45332
s.CurrentTemperature.SetStepValue(0.01)
svcs = append(svcs, s.S)
exposes = append(exposes, &ExposeMapping{&exp, s.CurrentTemperature.C, nil})
case exp.Name == "humidity":
s := service.NewHumiditySensor()
s.CurrentRelativeHumidity.SetStepValue(0.01) // ditto, but 1% increments
svcs = append(svcs, s.S)
exposes = append(exposes, &ExposeMapping{&exp, s.CurrentRelativeHumidity.C, nil})
case exp.Name == "pressure":
// TODO looks like pressure is not standard in HomeKit
// Eve has custom UUIDs: https://gist.github.com/simont77/3f4d4330fa55b83f8ca96388d9004e7d
}
}
return accessory.TypeSensor, svcs, exposes, nil
}
func init() {
RegisterCreateServiceHandler(createClimateServices)
}

37
s_contact_sensor.go Normal file
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@@ -0,0 +1,37 @@
package hapz2m
import (
"github.com/brutella/hap/accessory"
"github.com/brutella/hap/characteristic"
"github.com/brutella/hap/service"
)
func createContactServices(dev *Device) (byte, []*service.S, []*ExposeMapping, error) {
var svcs []*service.S
var exposes []*ExposeMapping
for _, exp := range dev.Definition.Exposes {
if exp.Ignored() {
continue
}
switch {
case exp.Type == "binary" && exp.Name == "contact":
exp := exp // create a copy
s := service.NewContactSensor()
svcs = append(svcs, s.S)
exposes = append(exposes, &ExposeMapping{&exp, s.ContactSensorState.C,
&BoolTranslator{
characteristic.ContactSensorStateContactNotDetected,
characteristic.ContactSensorStateContactDetected}})
}
}
return accessory.TypeSensor, svcs, exposes, nil
}
func init() {
RegisterCreateServiceHandler(createContactServices)
}

51
s_switch.go Normal file
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@@ -0,0 +1,51 @@
package hapz2m
import (
"github.com/brutella/hap/accessory"
"github.com/brutella/hap/characteristic"
"github.com/brutella/hap/service"
"regexp"
)
var outletRegex = regexp.MustCompile(`(?i)\boutlet\b`)
func createSwitchServices(dev *Device) (byte, []*service.S, []*ExposeMapping, error) {
var svcs []*service.S
var exposes []*ExposeMapping
for _, exp := range dev.Definition.Exposes {
if exp.Ignored() {
continue
}
switch {
case exp.Type == "switch" && len(exp.Features) > 0:
exp := exp // create a copy
f := exp.Features[0]
if f.Name == "state" && f.Type == "binary" && f.IsStateSetGet() {
sw := service.NewSwitch()
// add a name/label for this switch
n := characteristic.NewName()
n.SetValue(f.Endpoint)
sw.AddC(n.C)
svcs = append(svcs, sw.S)
exposes = append(exposes, &ExposeMapping{&f, sw.On.C, nil})
}
}
}
accTyp := accessory.TypeSwitch
if outletRegex.MatchString(dev.Definition.Description) {
accTyp = accessory.TypeOutlet
}
return accTyp, svcs, exposes, nil
}
func init() {
RegisterCreateServiceHandler(createSwitchServices)
}

432
z2m.go Normal file
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@@ -0,0 +1,432 @@
package hapz2m
import (
"encoding/json"
"fmt"
"regexp"
"reflect"
"runtime"
"github.com/brutella/hap/accessory"
"github.com/brutella/hap/characteristic"
"github.com/brutella/hap/service"
)
const Z2M_DEBUG = false
// exposed properties to ignore
var IgnoreProperties = map[string]bool{
"linkquality": true,
"device_temperature": true,
}
var (
ErrDeviceSkipped = fmt.Errorf("device is skipped")
ErrMalfomedDevice = fmt.Errorf("device is malformed")
ErrNotNumericCharacteristic = fmt.Errorf("characteristic is non-numeric")
)
// Creates a HAP Accessory from a Z2M Device
// It may return ErrDeviceSkipped if the device is not supported or still being interviewed.
func createAccessory(dev *Device) (*accessory.A, []*ExposeMapping, error) {
if dev.Disabled ||
!dev.Supported ||
!dev.InterviewCompleted {
return nil, nil, ErrDeviceSkipped
}
if dev.Definition == nil {
return nil, nil, ErrMalfomedDevice
}
// check that network address is not zero
// we use this for accessory ID
if dev.NetworkAddress == 0 {
return nil, nil, ErrMalfomedDevice
}
if Z2M_DEBUG {
fmt.Printf("%s %s %d\n", dev.Definition.Model, dev.Definition.Vendor, dev.NetworkAddress)
for _, exp := range dev.Definition.Exposes {
ignored := ""
if exp.Ignored() {
ignored = " [ignored]"
}
fmt.Printf(" - %s: %d %s %s%s\n", exp.Type, exp.Access, exp.Name, exp.Property, ignored)
if exp.Type == "enum" {
fmt.Printf(" %+v\n", exp.Values)
}
}
}
// remove "0x" prefix of address for serial number
serialNum := dev.IEEEAddress
if len(serialNum) > 5 && serialNum[0] == '0' && serialNum[1] == 'x' {
serialNum = serialNum[2:]
}
// create accessory first, then see if any handler wants to modify it
acc := accessory.New(accessory.Info{
Name: dev.Definition.Description,
SerialNumber: serialNum,
Manufacturer: dev.Manufacturer,
Model: dev.Definition.Model,
Firmware: dev.SoftwareBuildId,
}, accessory.TypeUnknown)
// use network address as accessory ID
acc.Id = uint64(dev.NetworkAddress)
var guessedAccTypes []byte
var allSvcs []*service.S
var allExposes []*ExposeMapping
for _, createFunc := range createServiceHandlers {
accType, svcs, exposes, err := createFunc(dev)
if err != nil {
panic(err)
}
if Z2M_DEBUG {
f := runtime.FuncForPC(reflect.ValueOf(createFunc).Pointer())
fmt.Printf("----- %s -----\n", f.Name())
if accType != accessory.TypeUnknown {
fmt.Printf("typ: %#v\n", accType)
}
fmt.Print("svc: [")
for _, s := range svcs {
fmt.Printf("%+v", s)
}
fmt.Println("]")
fmt.Print("exp: [")
for _, e := range exposes {
fmt.Printf("%+v", e)
}
fmt.Println("]")
}
if accType != accessory.TypeUnknown && len(svcs) > 0 && len(exposes) > 0 {
guessedAccTypes = append(guessedAccTypes, accType)
}
allSvcs = append(allSvcs, svcs...)
allExposes = append(allExposes, exposes...)
}
// copy value ranges
for _, e := range allExposes {
if e.ExposesEntry.Type != "numeric" {
continue
}
err := e.ExposesEntry.CopyValueRanges(e.Characteristic)
if err != nil {
return nil, nil, fmt.Errorf("cant copy value ranges for %s to cfmt %s: %s",
e.ExposesEntry.Property, e.Characteristic.Type, err)
}
}
// guess main accessory type
// XXX in case of tie?
uniqAccTypes := uniq(guessedAccTypes)
if len(uniqAccTypes) == 1 {
acc.Type = uniqAccTypes[0]
}
// add services to accessory
for _, s := range allSvcs {
acc.AddS(s)
}
return acc, allExposes, nil
}
var (
accPermsFormattingRE = regexp.MustCompile(`(?isU)"perms":\s*\[.*\]`)
accPermsWhitespaceRE = regexp.MustCompile(`( \[|,)?\s*(\S)(\])?`)
)
// Dumps the Accessory structure
func dumpAccessory(acc *accessory.A) error {
s, err := json.MarshalIndent(acc, "", " ")
if err != nil {
return err
}
// performs some formatting to keep "perms" on a single-line to reduce space
s = accPermsFormattingRE.ReplaceAllFunc(s, func(s []byte) []byte {
return accPermsWhitespaceRE.ReplaceAll(s, []byte("$1$2$3"))
})
fmt.Println(string(s))
return nil
}
// Returns unique items from the slice
func uniq[T comparable](items []T) []T {
m := make(map[T]bool)
for _, e := range items {
m[e] = true
}
u := make([]T, len(m))
i := 0
for k := range m {
u[i] = k
i++
}
return u
}
// Implements a translator between the exposed property and Characteristic
type MappingTranslator interface {
ToCharacteristicValue(exposedValue any) (cValue any, err error)
ToExposedValue(cValue any) (exposedValue any, err error)
}
// Default pass-through "translator", where both exposed and Characteristic
// values are of the same or similar types.
type PassthruTranslator struct{}
var defaultTranslator = &PassthruTranslator{}
func (p *PassthruTranslator) ToExposedValue(v any) (any, error) { return v, nil }
func (p *PassthruTranslator) ToCharacteristicValue(v any) (any, error) { return v, nil }
var ErrTranslationError = fmt.Errorf("cannot translate value")
// Translates a "binary" type exposed value to arbitrary Characteristic values
type BoolTranslator struct{ TrueValue, FalseValue any }
func (t *BoolTranslator) ToExposedValue(cVal any) (any, error) {
switch cVal {
case t.TrueValue:
return true, nil
case t.FalseValue:
return false, nil
}
return nil, ErrTranslationError
}
func (t *BoolTranslator) ToCharacteristicValue(eVal any) (any, error) {
bVal, ok := eVal.(bool)
if !ok {
return nil, ErrTranslationError
} else if bVal {
return t.TrueValue, nil
}
return t.FalseValue, nil
}
//////////////////////////////
// Maps a zigbee2mqtt device property into a HAP characteristic.
// Contains convenience methods to translate values between the two systems.
// z2m "binary" types are inherently translated to bool using the ValueOn/Off properties defined,
// so no translator is required for that.
// A MappingTranslator is required if the values are not pass-through (like float to float, or float to int).
// An example is the ContactSensor, where HAP defines contact as [0, 1] instead of a bool ("binary").
// The BoolTranslator assists with this by providing true & false values that correspond to a bool.
type ExposeMapping struct {
ExposesEntry *ExposesEntry
Characteristic *characteristic.C
Translator MappingTranslator
}
func (m *ExposeMapping) String() string {
return fmt.Sprintf("{%q,%s -> ctyp %s}",
m.ExposesEntry.Name, m.ExposesEntry.Type, m.Characteristic.Type)
}
// Converts a Characteristic value to its corresponding z2m value
func (m *ExposeMapping) ToExposedValue(v any) (any, error) {
t := m.Translator
if t == nil {
t = defaultTranslator
}
expVal, err := t.ToExposedValue(v)
if err != nil {
return expVal, err
}
// additional mapping is required for "binary" types to ValueOn/Off
if m.ExposesEntry.Type == "binary" {
b, isbool := expVal.(bool)
if !isbool {
return expVal, fmt.Errorf("translated value for binary type is not bool: %[1]T %[1]v", expVal)
}
expVal = m.ExposesEntry.ValueOff
if b {
expVal = m.ExposesEntry.ValueOn
}
}
return expVal, err
}
// Calls c.SetValueRequest() with the translated exposed value
// if the error code is -1, there was a translation error.
// Otherwise it's a HAP error code
func (m *ExposeMapping) SetCharacteristicValue(v any) (any, int) {
t := m.Translator
if t == nil {
t = defaultTranslator
}
// mapping for "binary" types to bool
if m.ExposesEntry.Type == "binary" {
switch v {
case m.ExposesEntry.ValueOn:
v = true
case m.ExposesEntry.ValueOff:
v = false
default:
return v, -1
}
}
cv, err := t.ToCharacteristicValue(v)
if err != nil {
return v, -1
}
return m.Characteristic.SetValueRequest(cv, nil)
}
//////////////////////////////
// Function that creates services from a z2m Device, invoked by createAccessory()
// These functions are registered using RegisterCreateServiceHandler()
type CreateServiceFunc func(dev *Device) (byte, []*service.S, []*ExposeMapping, error)
// Registers a CreateServiceFunc for use by createAccessory()
func RegisterCreateServiceHandler(f CreateServiceFunc) {
createServiceHandlers = append(createServiceHandlers, f)
}
// registered createService handlers
var createServiceHandlers []CreateServiceFunc
//////////////////////////////
type Device struct {
FriendlyName string `json:"friendly_name"`
IEEEAddress string `json:"ieee_address"`
InterviewCompleted bool `json:"interview_completed"`
Interviewing bool `json:"interviewing"`
Manufacturer string `json:"manufacturer"`
ModelId string `json:"model_id"`
NetworkAddress int `json:"network_address"`
PowerSource string `json:"power_source"`
SoftwareBuildId string `json:"software_build_id"`
DateCode string `json:"date_code"`
Definition *DevDefinition `json:"definition"`
Disabled bool `json:"disabled"`
Supported bool `json:"supported"`
Type string `json:"type"`
}
type DevDefinition struct {
Description string `json:"description"`
Model string `json:"model"`
Vendor string `json:"vendor"`
Exposes []ExposesEntry `json:"exposes"`
}
type ExposesEntry struct {
Access int `json:"access"`
Description string `json:"description"`
Name string `json:"name"`
Property string `json:"property"`
Type string `json:"type"`
Unit string `json:"unit"`
Endpoint string `json:"endpoint"`
Features []ExposesEntry `json:"features"`
// values
Values []string `json:"values"`
ValueOn any `json:"value_on"`
ValueOff any `json:"value_off"`
ValueMax *float64 `json:"value_max"`
ValueMin *float64 `json:"value_min"`
ValueStep *float64 `json:"value_step"`
}
func (e *ExposesEntry) Ignored() bool { return IgnoreProperties[e.Name] }
// https://github.com/Koenkk/zigbee-herdsman-converters/blob/v15.0.0/lib/exposes.js#L458-L486
func (e *ExposesEntry) IsStateSetGet() bool { return e.Access == 0b111 }
func (e *ExposesEntry) IsSettable() bool { return e.Access&0b10 == 0b10 }
// Updates MinVal, MaxVal and StepVal for the Characteristic
func (e *ExposesEntry) CopyValueRanges(c *characteristic.C) error {
// ensure characteristic has a numeric type
switch c.Format {
case characteristic.FormatFloat, characteristic.FormatUInt8,
characteristic.FormatUInt16, characteristic.FormatUInt32,
characteristic.FormatUInt64, characteristic.FormatInt32:
break
default:
return ErrNotNumericCharacteristic
}
if err := copyToCVal(e.ValueMin, &c.MinVal, c.Format); err != nil {
return err
}
if err := copyToCVal(e.ValueMax, &c.MaxVal, c.Format); err != nil {
return err
}
if err := copyToCVal(e.ValueStep, &c.StepVal, c.Format); err != nil {
return err
}
return nil
}
func floatToCVal(v float64, cfmt string) (any, error) {
switch cfmt {
case characteristic.FormatFloat:
return v, nil
case characteristic.FormatInt32:
return int(v), nil
case characteristic.FormatUInt8, characteristic.FormatUInt16,
characteristic.FormatUInt32, characteristic.FormatUInt64:
if v < 0 {
return 0, fmt.Errorf("cant convert %v to %s", v, cfmt)
}
return int(v), nil
default:
return 0, fmt.Errorf("unknown C value type %s\n", cfmt)
}
}
func copyToCVal(v *float64, targetCVal *any, cfmt string) error {
if v == nil {
return nil
}
cv, err := floatToCVal(*v, cfmt)
if err == nil {
*targetCVal = cv
}
return err
}

217
z2m_test.go Normal file
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package hapz2m
import (
"encoding/json"
"testing"
"github.com/brutella/hap/characteristic"
"github.com/brutella/hap/service"
)
const ContactSensor = `{
"date_code": "20161128",
"definition": {
"description": "Aqara door & window contact sensor",
"exposes": [
{
"access": 1,
"description": "Remaining battery in %, can take up to 24 hours before reported.",
"name": "battery",
"property": "battery",
"type": "numeric",
"unit": "%",
"value_max": 100,
"value_min": 0
},
{
"access": 1,
"description": "Indicates if the contact is closed (= true) or open (= false)",
"name": "contact",
"property": "contact",
"type": "binary",
"value_off": true,
"value_on": false
},
{
"access": 1,
"description": "Temperature of the device",
"name": "device_temperature",
"property": "device_temperature",
"type": "numeric",
"unit": "°C"
},
{
"access": 1,
"description": "Voltage of the battery in millivolts",
"name": "voltage",
"property": "voltage",
"type": "numeric",
"unit": "mV"
},
{
"access": 1,
"description": "Number of power outages",
"name": "power_outage_count",
"property": "power_outage_count",
"type": "numeric"
},
{
"access": 1,
"description": "Link quality (signal strength)",
"name": "linkquality",
"property": "linkquality",
"type": "numeric",
"unit": "lqi",
"value_max": 255,
"value_min": 0
}
],
"model": "MCCGQ11LM",
"options": [
{
"access": 2,
"description": "Calibrates the device_temperature value (absolute offset), takes into effect on next report of device.",
"name": "device_temperature_calibration",
"property": "device_temperature_calibration",
"type": "numeric"
}
],
"supports_ota": false,
"vendor": "Xiaomi"
},
"disabled": false,
"endpoints": {
"1": {
"bindings": [],
"clusters": {
"input": [
"genBasic",
"genIdentify",
"65535",
"genOnOff"
],
"output": [
"genBasic",
"genGroups",
"65535"
]
},
"configured_reportings": [],
"scenes": []
}
},
"friendly_name": "0x00158d00aabbccdd",
"ieee_address": "0x00158d00aabbccdd",
"interview_completed": true,
"interviewing": false,
"manufacturer": "LUMI",
"model_id": "lumi.sensor_magnet.aq2",
"network_address": 18350,
"power_source": "Battery",
"software_build_id": "3000-0001",
"supported": true,
"type": "EndDevice"
}`
func TestCreateAccessory(t *testing.T) {
var dev Device
err := json.Unmarshal([]byte(ContactSensor), &dev)
if err != nil {
panic(err)
}
acc, exp, err := createAccessory(&dev)
if err != nil {
t.Fatal(err)
}
dumpAccessory(acc)
_ = exp
}
func exposeMappingFromJson(jstr string) *ExposesEntry {
exp := &ExposesEntry{}
err := json.Unmarshal([]byte(jstr), &exp)
if err != nil {
panic(err)
}
return exp
}
func TestMappingTranslation(t *testing.T) {
exp := exposeMappingFromJson(`{
"access": 1,
"name": "contact",
"property": "contact",
"type": "binary",
"value_off": "NO_CONTACT",
"value_on": "CONTACT"
}`)
s := service.NewContactSensor()
m := &ExposeMapping{exp, s.ContactSensorState.C,
&BoolTranslator{
characteristic.ContactSensorStateContactDetected,
characteristic.ContactSensorStateContactNotDetected}}
for _, test := range []struct{ e, c any }{
{"CONTACT", characteristic.ContactSensorStateContactDetected},
{"NO_CONTACT", characteristic.ContactSensorStateContactNotDetected},
} {
v, errCode := m.SetCharacteristicValue(test.e)
t.Logf("exposed = %+v, v = %+v", test.e, v)
if errCode != 0 {
t.Fatalf("cant set cvalue, err %d", errCode)
}
newV := m.Characteristic.Val
if newV != test.c {
t.Fatalf("characteristic value was wrong. wanted %v got %v", test.c, v)
}
}
if _, errCode := m.SetCharacteristicValue("NO_CONTACTSS"); errCode != -1 {
t.Fatalf("expected translation error, but errCode was %d", errCode)
}
}
func TestMappingNumeric(t *testing.T) {
exp := exposeMappingFromJson(`{
"access": 1,
"name": "Temperature",
"property": "temperature",
"type": "numeric",
"unit": "°C"
}`)
s := service.NewTemperatureSensor()
m := &ExposeMapping{exp, s.CurrentTemperature.C, nil}
for _, test := range []struct {
v any
desc string
}{
{10.0, "temp 10.0"},
{10.5, "temp 10.5"},
{0.5, "temp 0.5"},
{0., "temp 0"},
} {
_, errCode := m.SetCharacteristicValue(test.v)
if errCode != 0 {
t.Fatalf("errCode for %s: %d", test.desc, errCode)
}
cv := s.CurrentTemperature.Value()
t.Logf("%s: ctemp %f", test.desc, cv)
if test.v != cv {
t.Fatalf("%s mismatch. want %f, got %f", test.desc, test.v, cv)
}
ev, err := m.ToExposedValue(cv)
if err != nil {
t.Fatalf("err converting back %s: %v", test.desc, err)
}
if ev != test.v {
t.Fatalf("%s reverse: want %f, got %f", test.desc, test.v, ev)
}
}
}