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Merge pull request #956 from antoniodipinto/main
Transfer socketio middleware to contrib
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| name-template: "socketio - v$RESOLVED_VERSION" | ||
| tag-template: "socketio/v$RESOLVED_VERSION" | ||
| tag-prefix: socketio/v | ||
| include-paths: | ||
| - socketio | ||
| categories: | ||
| - title: "❗ Breaking Changes" | ||
| labels: | ||
| - "❗ BreakingChange" | ||
| - title: "🚀 New" | ||
| labels: | ||
| - "✏️ Feature" | ||
| - title: "🧹 Updates" | ||
| labels: | ||
| - "🧹 Updates" | ||
| - "🤖 Dependencies" | ||
| - title: "🐛 Fixes" | ||
| labels: | ||
| - "☢️ Bug" | ||
| - title: "📚 Documentation" | ||
| labels: | ||
| - "📒 Documentation" | ||
| change-template: "- $TITLE (#$NUMBER)" | ||
| change-title-escapes: '\<*_&' # You can add # and @ to disable mentions, and add ` to disable code blocks. | ||
| exclude-contributors: | ||
| - dependabot | ||
| - dependabot[bot] | ||
| version-resolver: | ||
| major: | ||
| labels: | ||
| - "major" | ||
| - "❗ BreakingChange" | ||
| minor: | ||
| labels: | ||
| - "minor" | ||
| - "✏️ Feature" | ||
| patch: | ||
| labels: | ||
| - "patch" | ||
| - "📒 Documentation" | ||
| - "☢️ Bug" | ||
| - "🤖 Dependencies" | ||
| - "🧹 Updates" | ||
| default: patch | ||
| template: | | ||
| $CHANGES | ||
| **Full Changelog**: https://github.com/$OWNER/$REPOSITORY/compare/$PREVIOUS_TAG...socketio/v$RESOLVED_VERSION | ||
| Thank you $CONTRIBUTORS for making this update possible. |
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| name: Release Drafter socketio | ||
| on: | ||
| push: | ||
| # branches to consider in the event; optional, defaults to all | ||
| branches: | ||
| - master | ||
| - main | ||
| paths: | ||
| - 'socketio/**' | ||
| jobs: | ||
| draft_release_socketio: | ||
| runs-on: ubuntu-latest | ||
| timeout-minutes: 30 | ||
| steps: | ||
| - uses: release-drafter/release-drafter@v5 | ||
| with: | ||
| config-name: release-drafter-socketio.yml | ||
| env: | ||
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} |
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| @@ -0,0 +1,32 @@ | ||
| name: "Test Socket.io" | ||
|
|
||
| on: | ||
| push: | ||
| branches: | ||
| - master | ||
| - main | ||
| paths: | ||
| - "socketio/**" | ||
| pull_request: | ||
| paths: | ||
| - "socketio/**" | ||
|
|
||
| jobs: | ||
| Tests: | ||
| runs-on: ubuntu-latest | ||
| strategy: | ||
| matrix: | ||
| go-version: | ||
| - 1.20.x | ||
| - 1.21.x | ||
| - 1.22.x | ||
| steps: | ||
| - name: Fetch Repository | ||
| uses: actions/checkout@v4 | ||
| - name: Install Go | ||
| uses: actions/setup-go@v5 | ||
| with: | ||
| go-version: "${{ matrix.go-version }}" | ||
| - name: Run Test | ||
| working-directory: ./socketio | ||
| run: go test -v -race ./... |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,235 @@ | ||
| id: socketio | ||
| --- | ||
|
|
||
| # Socket.io | ||
|
|
||
|  | ||
|  | ||
|  | ||
|  | ||
|
|
||
| WebSocket wrapper for [Fiber](https://github.com/gofiber/fiber) with events support and inspired by [Socket.io](https://github.com/socketio/socket.io) | ||
|
|
||
| **Note: Requires Go 1.20 and above** | ||
|
|
||
| ## Install | ||
|
|
||
| ``` | ||
| go get -u github.com/gofiber/fiber/v2 | ||
| go get -u github.com/gofiber/contrib/socketio | ||
| ``` | ||
|
|
||
| ## Signatures | ||
|
|
||
| ```go | ||
| // Initialize new socketio in the callback this will | ||
| // execute a callback that expects kws *Websocket Object | ||
| func New(callback func(kws *Websocket)) func(*fiber.Ctx) error | ||
| ``` | ||
|
|
||
| ```go | ||
| // Add listener callback for an event into the listeners list | ||
| func On(event string, callback func(payload *EventPayload)) | ||
| ``` | ||
|
|
||
| ```go | ||
| // Emit the message to a specific socket uuids list | ||
| // Ignores all errors | ||
| func EmitToList(uuids []string, message []byte) | ||
| ``` | ||
|
|
||
| ```go | ||
| // Emit to a specific socket connection | ||
| func EmitTo(uuid string, message []byte) error | ||
| ``` | ||
|
|
||
| ```go | ||
| // Broadcast to all the active connections | ||
| // except avoid broadcasting the message to itself | ||
| func Broadcast(message []byte) | ||
| ``` | ||
|
|
||
| ```go | ||
| // Fire custom event on all connections | ||
| func Fire(event string, data []byte) | ||
| ``` | ||
|
|
||
| ## Example | ||
|
|
||
| ```go | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "log" | ||
|
|
||
| "github.com/gofiber/contrib/socketio" | ||
| "github.com/gofiber/contrib/websocket" | ||
| "github.com/gofiber/fiber/v2" | ||
| ) | ||
|
|
||
| // MessageObject Basic chat message object | ||
| type MessageObject struct { | ||
| Data string `json:"data"` | ||
| From string `json:"from"` | ||
| Event string `json:"event"` | ||
| To string `json:"to"` | ||
| } | ||
|
|
||
| func main() { | ||
|
|
||
| // The key for the map is message.to | ||
| clients := make(map[string]string) | ||
|
|
||
| // Start a new Fiber application | ||
| app := fiber.New() | ||
|
|
||
| // Setup the middleware to retrieve the data sent in first GET request | ||
| app.Use(func(c *fiber.Ctx) error { | ||
| // IsWebSocketUpgrade returns true if the client | ||
| // requested upgrade to the WebSocket protocol. | ||
| if websocket.IsWebSocketUpgrade(c) { | ||
| c.Locals("allowed", true) | ||
| return c.Next() | ||
| } | ||
| return fiber.ErrUpgradeRequired | ||
| }) | ||
|
|
||
| // Multiple event handling supported | ||
| socketio.On(socketio.EventConnect, func(ep *socketio.EventPayload) { | ||
| fmt.Println(fmt.Sprintf("Connection event 1 - User: %s", ep.Kws.GetStringAttribute("user_id"))) | ||
| }) | ||
|
|
||
| // Custom event handling supported | ||
| socketio.On("CUSTOM_EVENT", func(ep *socketio.EventPayload) { | ||
| fmt.Println(fmt.Sprintf("Custom event - User: %s", ep.Kws.GetStringAttribute("user_id"))) | ||
| // ---> | ||
|
|
||
| // DO YOUR BUSINESS HERE | ||
|
|
||
| // ---> | ||
| }) | ||
|
|
||
| // On message event | ||
| socketio.On(socketio.EventMessage, func(ep *socketio.EventPayload) { | ||
|
|
||
| fmt.Println(fmt.Sprintf("Message event - User: %s - Message: %s", ep.Kws.GetStringAttribute("user_id"), string(ep.Data))) | ||
|
|
||
| message := MessageObject{} | ||
|
|
||
| // Unmarshal the json message | ||
| // { | ||
| // "from": "<user-id>", | ||
| // "to": "<recipient-user-id>", | ||
| // "event": "CUSTOM_EVENT", | ||
| // "data": "hello" | ||
| //} | ||
| err := json.Unmarshal(ep.Data, &message) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| return | ||
| } | ||
|
|
||
| // Fire custom event based on some | ||
| // business logic | ||
| if message.Event != "" { | ||
| ep.Kws.Fire(message.Event, []byte(message.Data)) | ||
| } | ||
|
|
||
| // Emit the message directly to specified user | ||
| err = ep.Kws.EmitTo(clients[message.To], ep.Data, socketio.TextMessage) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| } | ||
| }) | ||
|
|
||
| // On disconnect event | ||
| socketio.On(socketio.EventDisconnect, func(ep *socketio.EventPayload) { | ||
| // Remove the user from the local clients | ||
| delete(clients, ep.Kws.GetStringAttribute("user_id")) | ||
| fmt.Println(fmt.Sprintf("Disconnection event - User: %s", ep.Kws.GetStringAttribute("user_id"))) | ||
| }) | ||
|
|
||
| // On close event | ||
| // This event is called when the server disconnects the user actively with .Close() method | ||
| socketio.On(socketio.EventClose, func(ep *socketio.EventPayload) { | ||
| // Remove the user from the local clients | ||
| delete(clients, ep.Kws.GetStringAttribute("user_id")) | ||
| fmt.Println(fmt.Sprintf("Close event - User: %s", ep.Kws.GetStringAttribute("user_id"))) | ||
| }) | ||
|
|
||
| // On error event | ||
| socketio.On(socketio.EventError, func(ep *socketio.EventPayload) { | ||
| fmt.Println(fmt.Sprintf("Error event - User: %s", ep.Kws.GetStringAttribute("user_id"))) | ||
| }) | ||
|
|
||
| app.Get("/ws/:id", socketio.New(func(kws *socketio.Websocket) { | ||
|
|
||
| // Retrieve the user id from endpoint | ||
| userId := kws.Params("id") | ||
|
|
||
| // Add the connection to the list of the connected clients | ||
| // The UUID is generated randomly and is the key that allow | ||
| // socketio to manage Emit/EmitTo/Broadcast | ||
| clients[userId] = kws.UUID | ||
|
|
||
| // Every websocket connection has an optional session key => value storage | ||
| kws.SetAttribute("user_id", userId) | ||
|
|
||
| //Broadcast to all the connected users the newcomer | ||
| kws.Broadcast([]byte(fmt.Sprintf("New user connected: %s and UUID: %s", userId, kws.UUID)), true, socketio.TextMessage) | ||
| //Write welcome message | ||
| kws.Emit([]byte(fmt.Sprintf("Hello user: %s with UUID: %s", userId, kws.UUID)), socketio.TextMessage) | ||
| })) | ||
|
|
||
| log.Fatal(app.Listen(":3000")) | ||
| } | ||
|
|
||
| ``` | ||
|
|
||
| --- | ||
|
|
||
| ## Supported events | ||
|
|
||
| | Const | Event | Description | | ||
| |:----------------|:-------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
| | EventMessage | `message` | Fired when a Text/Binary message is received | | ||
| | EventPing | `ping` | More details here: @url <https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API/Writing_WebSocket_servers#Pings_and_Pongs_The_Heartbeat_of_WebSockets> | | ||
| | EventPong | `pong` | Refer to ping description | | ||
| | EventDisconnect | `disconnect` | Fired on disconnection. The error provided in disconnection event as defined in RFC 6455, section 11.7. | | ||
| | EventConnect | `connect` | Fired on first connection | | ||
| | EventClose | `close` | Fired when the connection is actively closed from the server. Different from client disconnection | | ||
| | EventError | `error` | Fired when some error appears useful also for debugging websockets | | ||
|
|
||
| ## Event Payload object | ||
|
|
||
| | Variable | Type | Description | | ||
| |:-----------------|:--------------------|:--------------------------------------------------------------------------------| | ||
| | Kws | `*Websocket` | The connection object | | ||
| | Name | `string` | The name of the event | | ||
| | SocketUUID | `string` | Unique connection UUID | | ||
| | SocketAttributes | `map[string]string` | Optional websocket attributes | | ||
| | Error | `error` | (optional) Fired from disconnection or error events | | ||
| | Data | `[]byte` | Data used on Message and on Error event, contains the payload for custom events | | ||
|
|
||
| ## Socket instance functions | ||
|
|
||
| | Name | Type | Description | | ||
| |:-------------|:---------|:----------------------------------------------------------------------------------| | ||
| | SetAttribute | `void` | Set a specific attribute for the specific socket connection | | ||
| | GetUUID | `string` | Get socket connection UUID | | ||
| | SetUUID | `error` | Set socket connection UUID | | ||
| | GetAttribute | `string` | Get a specific attribute from the socket attributes | | ||
| | EmitToList | `void` | Emit the message to a specific socket uuids list | | ||
| | EmitTo | `error` | Emit to a specific socket connection | | ||
| | Broadcast | `void` | Broadcast to all the active connections except broadcasting the message to itself | | ||
| | Fire | `void` | Fire custom event | | ||
| | Emit | `void` | Emit/Write the message into the given connection | | ||
| | Close | `void` | Actively close the connection from the server | | ||
|
|
||
| **Note: the FastHTTP connection can be accessed directly from the instance** | ||
|
|
||
| ```go | ||
| kws.Conn | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| module github.com/gofiber/contrib/socketio | ||
|
|
||
| go 1.20 | ||
|
|
||
| require ( | ||
| github.com/fasthttp/websocket v1.5.4 | ||
| github.com/gofiber/contrib/websocket v1.2.0 | ||
| github.com/gofiber/fiber/v2 v2.52.0 | ||
| github.com/google/uuid v1.5.0 | ||
| github.com/stretchr/testify v1.8.4 | ||
| github.com/valyala/fasthttp v1.51.0 | ||
| ) | ||
|
|
||
| require ( | ||
| github.com/andybalholm/brotli v1.0.5 // indirect | ||
| github.com/davecgh/go-spew v1.1.1 // indirect | ||
| github.com/klauspost/compress v1.17.0 // indirect | ||
| github.com/mattn/go-colorable v0.1.13 // indirect | ||
| github.com/mattn/go-isatty v0.0.20 // indirect | ||
| github.com/mattn/go-runewidth v0.0.15 // indirect | ||
| github.com/pmezard/go-difflib v1.0.0 // indirect | ||
| github.com/rivo/uniseg v0.4.4 // indirect | ||
| github.com/savsgio/gotils v0.0.0-20230208104028-c358bd845dee // indirect | ||
| github.com/stretchr/objx v0.5.0 // indirect | ||
| github.com/valyala/bytebufferpool v1.0.0 // indirect | ||
| github.com/valyala/tcplisten v1.0.0 // indirect | ||
| golang.org/x/sys v0.15.0 // indirect | ||
| gopkg.in/yaml.v3 v3.0.1 // indirect | ||
| ) |
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