🎉 Implement working Audio Mixer backend with Jack support
This commit is contained in:
3
.gitignore
vendored
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3
.gitignore
vendored
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@ -0,0 +1,3 @@
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data/
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go-mix
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apidoc/environments/
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297
api.go
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297
api.go
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@ -0,0 +1,297 @@
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package main
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import (
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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)
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func initApi() {
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gin.SetMode(gin.ReleaseMode)
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router := gin.Default()
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router.SetTrustedProxies(nil)
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router.GET("/api/ports", func(c *gin.Context) {
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c.JSON(200, portConfig)
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})
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router.GET("/api/port", handleGetPort)
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router.POST("/api/ports", handleCreatePort)
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router.DELETE("/api/ports", handleDeletePort)
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router.GET("/api/state", handleGetState)
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router.PUT("/api/state", handleSetState)
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router.POST("/api/routes", handleCreateRoute)
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router.PUT("/api/routes", handleSetRoute)
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router.DELETE("/api/routes", handleDeleteRoute)
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router.Run(fmt.Sprintf("%s:%d", config.Web.Bind, config.Web.Port))
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}
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func handleGetPort(c *gin.Context) {
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id := c.Query("UUID")
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if id == "" {
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c.JSON(400, gin.H{"success": false, "error": "`UUID` parameter missing!"})
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return
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}
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port, portIndex, _ := findPort(id)
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if portIndex < 0 {
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c.JSON(400, gin.H{"success": false, "error": "Port with provided UUID does not exist!"})
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return
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}
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c.JSON(200, port)
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}
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type CreatePortRequest struct {
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Name string
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Backend string
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Channels uint8
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Type string
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}
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func handleCreatePort(c *gin.Context) {
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var body CreatePortRequest
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if err := c.BindJSON(&body); err != nil {
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c.JSON(500, gin.H{"success": false, "error": "Parsing request body failed!"})
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return
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}
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if body.Name == "" || body.Backend == "" || body.Channels == 0 || body.Type == "" {
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c.JSON(400, gin.H{"success": false, "error": "Required parameters missing!"})
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return
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}
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if body.Type != "input" && body.Type != "output" {
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c.JSON(400, gin.H{"success": false, "error": "`Type` must either be `input` or `output`"})
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return
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}
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id := uuid.New()
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newPort := Port{
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UUID: id.String(),
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Name: body.Name,
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Properties: PortProperties{
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Backend: body.Backend,
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Channels: body.Channels,
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},
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State: PortState{
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Mute: false,
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Volume: 0,
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Balance: 0,
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},
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Route: []PortRoute{},
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}
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if body.Type == "input" {
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registerPort(&newPort, "input")
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portConfig.Input = append(portConfig.Input, newPort)
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} else {
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registerPort(&newPort, "output")
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portConfig.Output = append(portConfig.Output, newPort)
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}
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saveConfig("ports", &portConfig)
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c.JSON(200, gin.H{"success": true, "UUID": newPort.UUID})
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}
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type DeletePortRequest struct {
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UUID string
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}
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func handleDeletePort(c *gin.Context) {
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var body DeletePortRequest
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if err := c.BindJSON(&body); err != nil {
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c.JSON(500, gin.H{"success": false, "error": "Parsing request body failed!"})
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return
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}
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if body.UUID == "" {
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c.JSON(400, gin.H{"success": false, "error": "Required parameters missing!"})
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return
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}
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port, portIndex, portType := findPort(body.UUID)
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if portIndex < 0 {
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c.JSON(400, gin.H{"success": false, "error": "Port with provided UUID does not exist!"})
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return
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}
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// Remove the port from the configuration
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if portType == "output" {
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portConfig.Output = append(portConfig.Output[:portIndex], portConfig.Output[portIndex+1:]...)
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} else {
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portConfig.Input = append(portConfig.Input[:portIndex], portConfig.Input[portIndex+1:]...)
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}
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// Unregister port
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unregisterPort(port)
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saveConfig("ports", &portConfig)
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}
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func handleGetState(c *gin.Context) {
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id := c.Query("UUID")
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if id == "" {
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c.JSON(400, gin.H{"success": false, "error": "`UUID` parameter missing!"})
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return
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}
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port, portIndex, _ := findPort(id)
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if portIndex < 0 {
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c.JSON(400, gin.H{"success": false, "error": "Port with provided UUID does not exist!"})
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return
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}
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c.JSON(200, port.State)
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}
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type SetPortRequest struct {
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Mute *bool
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Volume *float32
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Balance *float32
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}
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func handleSetState(c *gin.Context) {
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var body SetPortRequest
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err := c.BindJSON(&body)
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if err != nil {
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c.JSON(500, gin.H{"success": false, "error": "Parsing request body failed!"})
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return
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}
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id := c.Query("UUID")
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if id == "" {
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c.JSON(400, gin.H{"success": false, "error": "`UUID` parameter missing!"})
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return
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}
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port, portIndex, _ := findPort(id)
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if portIndex < 0 {
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c.JSON(400, gin.H{"success": false, "error": "Port with provided UUID does not exist!"})
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return
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}
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if body.Mute != nil {
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port.State.Mute = *body.Mute
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}
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if body.Volume != nil {
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port.State.Volume = *body.Volume
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}
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if body.Balance != nil {
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port.State.Balance = *body.Balance
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}
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c.JSON(200, gin.H{"success": true, "state": port.State})
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saveConfig("ports", &portConfig)
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}
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type CreateRouteRequest struct {
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To string
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}
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func handleCreateRoute(c *gin.Context) {
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var body CreateRouteRequest
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err := c.BindJSON(&body)
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if err != nil {
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c.JSON(500, gin.H{"success": false, "error": "Parsing request body failed!"})
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return
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}
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id := c.Query("UUID")
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if id == "" || body.To == "" {
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c.JSON(400, gin.H{"success": false, "error": "Required parameters missing!"})
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return
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}
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from, fromIndex, fromType := findPort(id)
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_, toIndex, toType := findPort(body.To)
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if fromIndex < 0 || toIndex < 0 {
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c.JSON(400, gin.H{"success": false, "error": "One of `UUID` or `To` does not exist!"})
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return
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}
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if fromType != "input" || toType != "output" {
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c.JSON(400, gin.H{"success": false, "error": "`UUID` needs to be an input and `To` an output port!"})
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return
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}
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from.Route = append(from.Route, PortRoute{ToUUID: body.To, Mute: true, Volume: 0, Balance: 0})
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saveConfig("ports", &portConfig)
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c.JSON(200, gin.H{"success": true})
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}
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type SetRouteRequest struct {
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Mute *bool
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Volume *float32
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Balance *float32
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}
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func handleSetRoute(c *gin.Context) {
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var body SetRouteRequest
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err := c.BindJSON(&body)
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if err != nil {
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c.JSON(500, gin.H{"success": false, "error": "Parsing request body failed!"})
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return
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}
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fromId := c.Query("UUID")
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toId := c.Query("To")
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if fromId == "" || toId == "" {
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c.JSON(400, gin.H{"success": false, "error": "Required parameters missing!"})
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return
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}
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from, fromIndex, _ := findPort(fromId)
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if fromIndex < 0 {
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c.JSON(400, gin.H{"success": false, "error": "Port with provided UUID does not exist!"})
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return
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}
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for i, r := range from.Route {
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if r.ToUUID != toId {
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continue
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}
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if body.Mute != nil {
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from.Route[i].Mute = *body.Mute
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}
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if body.Volume != nil {
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from.Route[i].Volume = *body.Volume
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}
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if body.Balance != nil {
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from.Route[i].Balance = *body.Balance
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}
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saveConfig("ports", &portConfig)
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c.JSON(200, gin.H{"success": true})
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return
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}
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c.JSON(200, gin.H{"success": false, "error": "No such route exists!"})
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}
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func handleDeleteRoute(c *gin.Context) {
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fromId := c.Query("UUID")
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toId := c.Query("To")
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if fromId == "" || toId == "" {
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c.JSON(400, gin.H{"success": false, "error": "Required parameters missing!"})
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return
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}
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from, fromIndex, _ := findPort(fromId)
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if fromIndex < 0 {
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c.JSON(400, gin.H{"success": false, "error": "Port with provided UUID does not exist!"})
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return
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}
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for i, r := range from.Route {
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if r.ToUUID != toId {
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continue
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}
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from.Route = append(from.Route[:i], from.Route[i+1:]...)
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saveConfig("ports", &portConfig)
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c.JSON(200, gin.H{"success": true})
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|
return
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}
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|
|
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c.JSON(200, gin.H{"success": false, "error": "No such route exists!"})
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}
|
72
config.go
Normal file
72
config.go
Normal file
@ -0,0 +1,72 @@
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|
package main
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|
|
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|
import (
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|
"embed"
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|
"errors"
|
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|
"fmt"
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|
"os"
|
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|
|
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"github.com/pelletier/go-toml/v2"
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|
)
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|
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const CONFIG_DIR = "./data"
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|
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|
//go:embed sample_configs/*
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|
var sampleConfig embed.FS
|
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|
|
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|
type Config struct {
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|
Web struct {
|
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|
Bind string `toml:"bind"`
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|
Port int `toml:"port"`
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|
} `toml:"web"`
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|
Jack struct {
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|
Enabled bool `toml:"enabled"`
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|
ClientName string `toml:"client_name"`
|
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|
} `toml:"jack"`
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|
}
|
||||||
|
|
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|
var config Config
|
||||||
|
|
||||||
|
// Copy default config if `{name}.toml` file does not exist
|
||||||
|
func createDefaultConfig(name string) {
|
||||||
|
dest_path := fmt.Sprintf("%s/%s.toml", CONFIG_DIR, name)
|
||||||
|
source_path := fmt.Sprintf("sample_configs/%s.toml", name)
|
||||||
|
|
||||||
|
if _, err := os.Stat(dest_path); errors.Is(err, os.ErrNotExist) {
|
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|
content, err := sampleConfig.ReadFile(source_path)
|
||||||
|
if err != nil {
|
||||||
|
fmt.Printf("Warning! Default config for `%s` does not exist!\n", name)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
os.WriteFile(dest_path, content, 0644)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Load config from `.toml` file into a struct
|
||||||
|
func loadConfig(name string, dest interface{}) {
|
||||||
|
createDefaultConfig(name)
|
||||||
|
|
||||||
|
file, err := os.ReadFile(fmt.Sprintf("%s/%s.toml", CONFIG_DIR, name))
|
||||||
|
if err != nil {
|
||||||
|
fmt.Println(err)
|
||||||
|
os.Exit(1)
|
||||||
|
}
|
||||||
|
|
||||||
|
err = toml.Unmarshal(file, dest)
|
||||||
|
if err != nil {
|
||||||
|
fmt.Println(err)
|
||||||
|
os.Exit(1)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Save struct as a `.toml` file
|
||||||
|
func saveConfig(name string, dest interface{}) {
|
||||||
|
bin, err := toml.Marshal(dest)
|
||||||
|
if err != nil {
|
||||||
|
fmt.Println(err)
|
||||||
|
}
|
||||||
|
err = os.WriteFile(fmt.Sprintf("%s/%s.toml", CONFIG_DIR, name), bin, 0644)
|
||||||
|
if err != nil {
|
||||||
|
fmt.Println(err)
|
||||||
|
}
|
||||||
|
}
|
36
go.mod
Normal file
36
go.mod
Normal file
@ -0,0 +1,36 @@
|
|||||||
|
module minie4.de/go-mix
|
||||||
|
|
||||||
|
go 1.21
|
||||||
|
|
||||||
|
require (
|
||||||
|
github.com/gin-gonic/gin v1.9.1
|
||||||
|
github.com/google/uuid v1.6.0
|
||||||
|
github.com/pelletier/go-toml/v2 v2.1.1
|
||||||
|
github.com/xthexder/go-jack v0.0.0-20220805234212-bc8604043aba
|
||||||
|
)
|
||||||
|
|
||||||
|
require (
|
||||||
|
github.com/bytedance/sonic v1.9.1 // indirect
|
||||||
|
github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
|
||||||
|
github.com/gabriel-vasile/mimetype v1.4.2 // indirect
|
||||||
|
github.com/gin-contrib/sse v0.1.0 // indirect
|
||||||
|
github.com/go-playground/locales v0.14.1 // indirect
|
||||||
|
github.com/go-playground/universal-translator v0.18.1 // indirect
|
||||||
|
github.com/go-playground/validator/v10 v10.14.0 // indirect
|
||||||
|
github.com/goccy/go-json v0.10.2 // indirect
|
||||||
|
github.com/json-iterator/go v1.1.12 // indirect
|
||||||
|
github.com/klauspost/cpuid/v2 v2.2.4 // indirect
|
||||||
|
github.com/leodido/go-urn v1.2.4 // indirect
|
||||||
|
github.com/mattn/go-isatty v0.0.19 // indirect
|
||||||
|
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
|
||||||
|
github.com/modern-go/reflect2 v1.0.2 // indirect
|
||||||
|
github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
|
||||||
|
github.com/ugorji/go/codec v1.2.11 // indirect
|
||||||
|
golang.org/x/arch v0.3.0 // indirect
|
||||||
|
golang.org/x/crypto v0.9.0 // indirect
|
||||||
|
golang.org/x/net v0.10.0 // indirect
|
||||||
|
golang.org/x/sys v0.8.0 // indirect
|
||||||
|
golang.org/x/text v0.9.0 // indirect
|
||||||
|
google.golang.org/protobuf v1.30.0 // indirect
|
||||||
|
gopkg.in/yaml.v3 v3.0.1 // indirect
|
||||||
|
)
|
90
go.sum
Normal file
90
go.sum
Normal file
@ -0,0 +1,90 @@
|
|||||||
|
github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
|
||||||
|
github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
|
||||||
|
github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
|
||||||
|
github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
|
||||||
|
github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
|
||||||
|
github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
|
||||||
|
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||||
|
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
|
||||||
|
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||||
|
github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
|
||||||
|
github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
|
||||||
|
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
|
||||||
|
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
|
||||||
|
github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
|
||||||
|
github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
|
||||||
|
github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
|
||||||
|
github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
|
||||||
|
github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
|
||||||
|
github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
|
||||||
|
github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
|
||||||
|
github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
|
||||||
|
github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg/+t63MyGU2n5js=
|
||||||
|
github.com/go-playground/validator/v10 v10.14.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
|
||||||
|
github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
|
||||||
|
github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
|
||||||
|
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
|
||||||
|
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
|
||||||
|
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
|
||||||
|
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
|
||||||
|
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
|
||||||
|
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
|
||||||
|
github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
|
||||||
|
github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
|
||||||
|
github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
|
||||||
|
github.com/klauspost/cpuid/v2 v2.2.4 h1:acbojRNwl3o09bUq+yDCtZFc1aiwaAAxtcn8YkZXnvk=
|
||||||
|
github.com/klauspost/cpuid/v2 v2.2.4/go.mod h1:RVVoqg1df56z8g3pUjL/3lE5UfnlrJX8tyFgg4nqhuY=
|
||||||
|
github.com/leodido/go-urn v1.2.4 h1:XlAE/cm/ms7TE/VMVoduSpNBoyc2dOxHs5MZSwAN63Q=
|
||||||
|
github.com/leodido/go-urn v1.2.4/go.mod h1:7ZrI8mTSeBSHl/UaRyKQW1qZeMgak41ANeCNaVckg+4=
|
||||||
|
github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
|
||||||
|
github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
|
||||||
|
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||||
|
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
|
||||||
|
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
|
||||||
|
github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
|
||||||
|
github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
|
||||||
|
github.com/pelletier/go-toml/v2 v2.1.1 h1:LWAJwfNvjQZCFIDKWYQaM62NcYeYViCmWIwmOStowAI=
|
||||||
|
github.com/pelletier/go-toml/v2 v2.1.1/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
|
||||||
|
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/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
|
||||||
|
github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
|
||||||
|
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
|
||||||
|
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||||
|
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||||
|
github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
|
||||||
|
github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
|
||||||
|
github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
|
||||||
|
github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
|
||||||
|
github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
|
||||||
|
github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
|
||||||
|
github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
|
||||||
|
github.com/ugorji/go/codec v1.2.11 h1:BMaWp1Bb6fHwEtbplGBGJ498wD+LKlNSl25MjdZY4dU=
|
||||||
|
github.com/ugorji/go/codec v1.2.11/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
|
||||||
|
github.com/xthexder/go-jack v0.0.0-20220805234212-bc8604043aba h1:QighQ8fJJOqipXXurg9WghoImtvl7CHTpe21GDYdIkk=
|
||||||
|
github.com/xthexder/go-jack v0.0.0-20220805234212-bc8604043aba/go.mod h1:T6DswVPJzBW/Xg64l/gohXVgSW81GwXyMws1fkqxlUg=
|
||||||
|
golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
|
||||||
|
golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
|
||||||
|
golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
|
||||||
|
golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g=
|
||||||
|
golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0=
|
||||||
|
golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
|
||||||
|
golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
|
||||||
|
golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||||
|
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||||
|
golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
|
||||||
|
golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||||
|
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/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
|
||||||
|
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||||
|
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
|
||||||
|
google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
|
||||||
|
google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
|
||||||
|
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||||
|
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||||
|
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||||
|
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
|
||||||
|
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||||
|
rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
|
62
jack.go
Normal file
62
jack.go
Normal file
@ -0,0 +1,62 @@
|
|||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"fmt"
|
||||||
|
"os"
|
||||||
|
|
||||||
|
"github.com/xthexder/go-jack"
|
||||||
|
)
|
||||||
|
|
||||||
|
var jackClient *jack.Client
|
||||||
|
|
||||||
|
func initJack(done chan os.Signal) {
|
||||||
|
jackClient, _ = jack.ClientOpen(config.Jack.ClientName, jack.NoStartServer)
|
||||||
|
if jackClient == nil {
|
||||||
|
fmt.Println("Could not connect to jack server.")
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if code := jackClient.SetProcessCallback(processJackCb); code != 0 {
|
||||||
|
fmt.Println("Failed to set process callback.")
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
if code := jackClient.Activate(); code != 0 {
|
||||||
|
fmt.Println("Failed to activate client:", jack.StrError(code))
|
||||||
|
return
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func stopJack() {
|
||||||
|
jackClient.Close()
|
||||||
|
}
|
||||||
|
|
||||||
|
func registerJackPort(name string, channels uint8, flags uint64) []*jack.Port {
|
||||||
|
if channels > 2 {
|
||||||
|
fmt.Printf("WARN! Parameters of jack port %s changed: more than 2 channels not implemented, using 2 channels", name)
|
||||||
|
channels = 2
|
||||||
|
}
|
||||||
|
|
||||||
|
var i uint8 = 0
|
||||||
|
var ports []*jack.Port = []*jack.Port{}
|
||||||
|
for i < channels {
|
||||||
|
i++
|
||||||
|
portName := fmt.Sprintf("%s_%d", name, i)
|
||||||
|
port := jackClient.PortRegister(portName, jack.DEFAULT_AUDIO_TYPE, flags, 0)
|
||||||
|
if port == nil {
|
||||||
|
fmt.Printf("WARN! Failed registering jack port %s\n", portName)
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
ports = append(ports, port)
|
||||||
|
}
|
||||||
|
return ports
|
||||||
|
}
|
||||||
|
|
||||||
|
func unregisterJackPort(ports []*jack.Port) {
|
||||||
|
for _, p := range ports {
|
||||||
|
ret := jackClient.PortUnregister(p)
|
||||||
|
if ret != 0 {
|
||||||
|
fmt.Printf("WARN! Failed unregistering jack port!\n")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
34
main.go
Normal file
34
main.go
Normal file
@ -0,0 +1,34 @@
|
|||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"os"
|
||||||
|
"os/signal"
|
||||||
|
"syscall"
|
||||||
|
)
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
// Init exit channel
|
||||||
|
end := make(chan os.Signal, 1)
|
||||||
|
signal.Notify(end, syscall.SIGINT, syscall.SIGTERM)
|
||||||
|
|
||||||
|
// Load config.toml file
|
||||||
|
loadConfig("config", &config)
|
||||||
|
|
||||||
|
// Initialize REST API
|
||||||
|
go initApi()
|
||||||
|
|
||||||
|
// Initialize enabled audio backends
|
||||||
|
if config.Jack.Enabled {
|
||||||
|
initJack(end)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Start audio routing
|
||||||
|
startRouting()
|
||||||
|
|
||||||
|
// Wait until SIGINT received
|
||||||
|
<-end
|
||||||
|
|
||||||
|
if config.Jack.Enabled {
|
||||||
|
stopJack()
|
||||||
|
}
|
||||||
|
}
|
198
routing.go
Normal file
198
routing.go
Normal file
@ -0,0 +1,198 @@
|
|||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"fmt"
|
||||||
|
|
||||||
|
"github.com/xthexder/go-jack"
|
||||||
|
)
|
||||||
|
|
||||||
|
type PortState struct {
|
||||||
|
Mute bool
|
||||||
|
Volume float32
|
||||||
|
Balance float32
|
||||||
|
}
|
||||||
|
|
||||||
|
type PortProperties struct {
|
||||||
|
Backend string
|
||||||
|
Channels uint8
|
||||||
|
}
|
||||||
|
|
||||||
|
type PortRoute struct {
|
||||||
|
ToUUID string
|
||||||
|
Mute bool
|
||||||
|
Volume float32
|
||||||
|
Balance float32
|
||||||
|
}
|
||||||
|
|
||||||
|
type Port struct {
|
||||||
|
UUID string
|
||||||
|
Name string
|
||||||
|
Properties PortProperties
|
||||||
|
State PortState
|
||||||
|
Route []PortRoute
|
||||||
|
object []*jack.Port
|
||||||
|
}
|
||||||
|
|
||||||
|
var portConfig struct {
|
||||||
|
Input []Port
|
||||||
|
Output []Port
|
||||||
|
}
|
||||||
|
|
||||||
|
var portsInited bool = false
|
||||||
|
|
||||||
|
// Find index and pointer of port
|
||||||
|
func findPort(findUUID string) (*Port, int, string) {
|
||||||
|
var port *Port
|
||||||
|
var portIndex int = -1
|
||||||
|
var portType string
|
||||||
|
for i, p := range portConfig.Input {
|
||||||
|
if p.UUID == findUUID {
|
||||||
|
port = &portConfig.Input[i]
|
||||||
|
portIndex = i
|
||||||
|
portType = "input"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
for i, p := range portConfig.Output {
|
||||||
|
if p.UUID == findUUID {
|
||||||
|
port = &portConfig.Output[i]
|
||||||
|
portIndex = i
|
||||||
|
portType = "output"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return port, portIndex, portType
|
||||||
|
}
|
||||||
|
|
||||||
|
func registerPort(port *Port, portType string) {
|
||||||
|
switch backend := port.Properties.Backend; backend {
|
||||||
|
case "jack":
|
||||||
|
if !config.Jack.Enabled {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
var jackFlag int
|
||||||
|
if portType == "input" {
|
||||||
|
jackFlag = jack.PortIsInput
|
||||||
|
} else if portType == "output" {
|
||||||
|
jackFlag = jack.PortIsOutput
|
||||||
|
} else {
|
||||||
|
fmt.Printf("WARN! Trying to register port with invalid type `%s`\n", portType)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
port.object = registerJackPort(port.Name, port.Properties.Channels, uint64(jackFlag))
|
||||||
|
default:
|
||||||
|
fmt.Printf("WARN! Error loading port %s: Backend %s is not implemented!", port.UUID, backend)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func unregisterPort(port *Port) {
|
||||||
|
switch backend := port.Properties.Backend; backend {
|
||||||
|
case "jack":
|
||||||
|
if !config.Jack.Enabled {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
unregisterJackPort(port.object)
|
||||||
|
port.object = nil
|
||||||
|
default:
|
||||||
|
fmt.Printf("WARN! Error unloading port %s: Backend %s is not implemented!", port.UUID, backend)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func startRouting() {
|
||||||
|
// Load port configuration from config file
|
||||||
|
loadConfig("ports", &portConfig)
|
||||||
|
|
||||||
|
// Register ports
|
||||||
|
for i := range portConfig.Input {
|
||||||
|
registerPort(&portConfig.Input[i], "input")
|
||||||
|
}
|
||||||
|
for i := range portConfig.Output {
|
||||||
|
registerPort(&portConfig.Output[i], "output")
|
||||||
|
}
|
||||||
|
|
||||||
|
portsInited = true
|
||||||
|
}
|
||||||
|
|
||||||
|
type JackOutputBuffers struct {
|
||||||
|
UUID string
|
||||||
|
Buffers [][]jack.AudioSample
|
||||||
|
}
|
||||||
|
|
||||||
|
func addToBuffer(src *[]jack.AudioSample, dst *[]jack.AudioSample, volume float32) {
|
||||||
|
for i, sample := range *src {
|
||||||
|
(*dst)[i] += sample * jack.AudioSample(volume)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func calcBalanceFactor(ch uint8, balance float32) float32 {
|
||||||
|
if ch == 0 {
|
||||||
|
return max(0, min(1, 1-balance))
|
||||||
|
} else {
|
||||||
|
return max(0, min(1, 1+balance))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func processJackCb(nframes uint32) int {
|
||||||
|
if !portsInited {
|
||||||
|
return 0
|
||||||
|
}
|
||||||
|
|
||||||
|
// Get memory addresses to write to for all outputs
|
||||||
|
var outputBuffers []JackOutputBuffers = []JackOutputBuffers{}
|
||||||
|
for _, out := range portConfig.Output {
|
||||||
|
outputBuffer := JackOutputBuffers{out.UUID, [][]jack.AudioSample{}}
|
||||||
|
for _, port := range out.object {
|
||||||
|
buffer := port.GetBuffer(nframes)
|
||||||
|
for i := range buffer {
|
||||||
|
buffer[i] = 0
|
||||||
|
}
|
||||||
|
outputBuffer.Buffers = append(outputBuffer.Buffers, buffer)
|
||||||
|
}
|
||||||
|
outputBuffers = append(outputBuffers, outputBuffer)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Write audio data from every input to all outputs it routes to
|
||||||
|
for _, in := range portConfig.Input {
|
||||||
|
if in.State.Mute {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
// For every channel
|
||||||
|
for ch := uint8(0); ch < in.Properties.Channels; ch++ {
|
||||||
|
if in.object == nil || uint8(len(in.object)) <= ch {
|
||||||
|
// Input is not initialized
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
chSamples := in.object[ch].GetBuffer(nframes)
|
||||||
|
|
||||||
|
// For every route that exists for the input
|
||||||
|
for _, route := range in.Route {
|
||||||
|
for _, out := range outputBuffers {
|
||||||
|
if out.UUID != route.ToUUID {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
if out.Buffers == nil || uint8(len(out.Buffers)) <= ch {
|
||||||
|
// Output is not initialized
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
routeVolume := in.State.Volume * route.Volume * calcBalanceFactor(ch, in.State.Balance)
|
||||||
|
|
||||||
|
if in.Properties.Channels < uint8(len(out.Buffers)) {
|
||||||
|
// If input is mono and output is stereo, write to both output channels at once
|
||||||
|
for i, buf := range out.Buffers {
|
||||||
|
finalVolume := routeVolume * calcBalanceFactor(uint8(i), route.Balance)
|
||||||
|
addToBuffer(&chSamples, &buf, finalVolume)
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
// Else only write to current channel (or channel 0 if output is mono)
|
||||||
|
finalVolume := routeVolume * calcBalanceFactor(ch, route.Balance)
|
||||||
|
index := min(uint8(len(out.Buffers)-1), ch)
|
||||||
|
addToBuffer(&chSamples, &out.Buffers[index], finalVolume)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return 0
|
||||||
|
}
|
7
sample_configs/config.toml
Normal file
7
sample_configs/config.toml
Normal file
@ -0,0 +1,7 @@
|
|||||||
|
[web]
|
||||||
|
bind = "0.0.0.0"
|
||||||
|
port = 8080
|
||||||
|
|
||||||
|
[jack]
|
||||||
|
enabled = true
|
||||||
|
client_name = "go-mix Jack"
|
0
sample_configs/ports.toml
Normal file
0
sample_configs/ports.toml
Normal file
Reference in New Issue
Block a user