179 lines
4.1 KiB
Markdown
179 lines
4.1 KiB
Markdown
# midi-request-trigger
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A service that triggers HTTP requests and/or MQTT messages when MIDI messages are recieved and triggers MIDI messages when HTTP requests and/or MQTT messages are received.
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## Install
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You can install by building.
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### Building
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Building should be as simple as running:
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```bash
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go build
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```
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### Running as a service
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You are likely going to want to run the tool as a service to ensure it runs at boot and restarts in case of failures. Below is an example service config file you can place in `/etc/systemd/system/midi-request-trigger.service` on a linux system to run as a service if you install the binary in `/usr/local/bin/`.
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```systemd
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[Unit]
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Description=MIDI Request Trigger
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After=network.target
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StartLimitIntervalSec=500
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StartLimitBurst=5
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[Service]
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ExecStart=/usr/local/bin/midi-request-trigger
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ExecReload=/bin/kill -s HUP $MAINPID
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Restart=on-failure
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RestartSec=5s
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[Install]
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WantedBy=multi-user.target
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```
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Once the service file is installed, you can run the following to start it:
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```bash
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systemctl daemon-reload
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systemctl start midi-request-trigger.service
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```
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On MacOS, you can setup a Launch Agent in `~/Library/LaunchAgents/com.mrgeckosmedia.midi-request-trigger.plist` as follows:
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```xml
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>Label</key>
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<string>com.mrgeckosmedia.midi-request-trigger</string>
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<key>ProgramArguments</key>
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<array>
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<string>/path/to/bin/midi-request-trigger</string>
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<string>-c</string>
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<string>/path/to/config.yaml</string>
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</array>
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<key>KeepAlive</key>
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<dict>
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<key>Crashed</key>
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<true/>
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<key>SuccessfulExit</key>
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<false/>
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</dict>
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<key>RunAtLoad</key>
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<true/>
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<key>OnDemand</key>
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<false/>
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</dict>
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</plist>
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```
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Start with:
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```bash
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launchctl load ~/Library/LaunchAgents/com.mrgeckosmedia.midi-request-trigger.plist
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```
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Check status with:
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```bash
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launchctl list com.mrgeckosmedia.midi-request-trigger
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```
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Stop with:
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```bash
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launchctl unload ~/Library/LaunchAgents/com.mrgeckosmedia.midi-request-trigger.plist
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```
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## Config
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The default configuration paths are:
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- `./config.yaml` - A file in the current working directory.
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- `~/.config/midi-request-trigger/config.yaml` - A file in your home directory's config path.
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- `/etc/midi-request-trigger/config.yaml` - A file in the etc config folder.
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### To verify listener works
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You can find the device name by running the following:
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```bash
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midi-request-trigger -l
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```
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On MacOS, there is an IAC Driver that can be enabled in Audio MIDI Setup.
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```yaml
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---
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midi_routers:
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- name: service_notifications
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device: IAC Driver Bus 1
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debug_listener: true
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```
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### Example note trigger configuration
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```yaml
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---
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midi_routers:
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- name: service_notifications
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device: IAC Driver Bus 1
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debug_listener: true
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note_triggers:
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- channel: 0
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note: 0
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match_all_velocities: true
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url: http://example.com
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midi_info_in_request: true
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```
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### Example request trigger configuration
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```yaml
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---
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midi_routers:
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- name: service_notifications
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device: IAC Driver Bus 1
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debug_listener: true
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request_triggers:
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- channel: 0
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note: 0
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velocity: 1
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midi_info_in_request: true
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uri: /send_note
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```
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### Example multi part request
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```yaml
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---
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midi_routers:
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- name: service_notifications
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device: IAC Driver Bus 1
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debug_listener: true
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note_triggers:
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- channel: 0
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note: 0
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match_all_velocities: true
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url: http://example.com
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method: POST
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body: |
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-----------------------------888832887744
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Content-Disposition: form-data; name="message"
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example variable
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-----------------------------888832887744
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Content-Disposition: form-data; name="file"; filename="example.txt"
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Content-Type: text/plain
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Content of file.
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-----------------------------888832887744--
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headers:
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Content-Type:
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- multipart/form-data; boundary=---------------------------888832887744
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debug_request: true
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```
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