From b4face1dcad08df8fda560f9d0492d26bc3cb39a Mon Sep 17 00:00:00 2001 From: Marco Date: Tue, 18 Apr 2023 22:12:05 +0200 Subject: [PATCH] Start building a real API. --- go.mod | 37 ++++++++++++++++-- go.sum | 97 ++++++++++++++++++++++++++++++++++++++++++++++++ main.go | 89 ++++++++++++++++++++++++++++++++++++-------- server/lobby.go | 2 +- server/player.go | 5 +-- server/server.go | 16 ++++---- var_file | 2 +- 7 files changed, 216 insertions(+), 32 deletions(-) diff --git a/go.mod b/go.mod index 446a51e..4e42c23 100644 --- a/go.mod +++ b/go.mod @@ -1,5 +1,36 @@ -module mchess_server +module local/m/mchess_server -go 1.19 +go 1.20 -require github.com/gorilla/websocket v1.5.0 +require ( + github.com/gin-gonic/autotls v0.0.5 + github.com/gin-gonic/gin v1.9.0 + github.com/gorilla/websocket v1.5.0 +) + +require ( + github.com/bytedance/sonic v1.8.0 // indirect + github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // 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 v10.11.2 // indirect + github.com/goccy/go-json v0.10.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/klauspost/cpuid/v2 v2.0.9 // indirect + github.com/leodido/go-urn v1.2.1 // indirect + github.com/mattn/go-isatty v0.0.17 // indirect + github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.0.6 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.9 // indirect + golang.org/x/arch v0.0.0-20210923205945-b76863e36670 // indirect + golang.org/x/crypto v0.5.0 // indirect + golang.org/x/net v0.7.0 // indirect + golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde // indirect + golang.org/x/sys v0.5.0 // indirect + golang.org/x/text v0.7.0 // indirect + google.golang.org/protobuf v1.28.1 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum index e5a03d4..21ffd93 100644 --- a/go.sum +++ b/go.sum @@ -1,2 +1,99 @@ +github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM= +github.com/bytedance/sonic v1.8.0 h1:ea0Xadu+sHlu7x5O3gKhRpQ1IKiMrSiHttPF0ybECuA= +github.com/bytedance/sonic v1.8.0/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/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/autotls v0.0.5 h1:SXQWwWGDJHujDlthIij1+jxn3m5IPV8I9Za9bcPzMdo= +github.com/gin-gonic/autotls v0.0.5/go.mod h1:RK6LjOz47xARPGuceCOz3pQcYruxM0bVB7jb4AsDYeI= +github.com/gin-gonic/gin v1.9.0 h1:OjyFBKICoexlu99ctXNR2gg+c5pKrKMuyjgARg9qeY8= +github.com/gin-gonic/gin v1.9.0/go.mod h1:W1Me9+hsUSyj3CePGrd1/QrKJMSJ1Tu/0hFEH89961k= +github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s= +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 v10.11.2 h1:q3SHpufmypg+erIExEKUmsgmhDTyhcJ38oeKGACXohU= +github.com/go-playground/validator/v10 v10.11.2/go.mod h1:NieE624vt4SCTJtD87arVLvdmjPAeV8BQlHtMnw9D7s= +github.com/goccy/go-json v0.10.0 h1:mXKd9Qw4NuzShiRlOXKews24ufknHO7gx30lsDyokKA= +github.com/goccy/go-json v0.10.0/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/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc= github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE= +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 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4= +github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg= +github.com/kr/pretty v0.3.0 h1:WgNl7dwNpEZ6jJ9k1snq4pZsg7DOEN8hP9Xw0Tsjwk0= +github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= +github.com/leodido/go-urn v1.2.1 h1:BqpAaACuzVSgi/VLzGZIobT2z4v53pjosyNd9Yv6n/w= +github.com/leodido/go-urn v1.2.1/go.mod h1:zt4jvISO2HfUBqxjfIshjdMTYS56ZS/qv49ictyFfxY= +github.com/mattn/go-isatty v0.0.17 h1:BTarxUcIeDqL27Mc+vyvdWYSL28zpIhv3RoTdsLMPng= +github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/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 v2.0.6 h1:nrzqCb7j9cDFj2coyLNLaZuJTLjWjlaz6nvTvIwycIU= +github.com/pelletier/go-toml/v2 v2.0.6/go.mod h1:eumQOmlWiOPt5WriQQqoM5y18pDHwha2N+QD+EUNTek= +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/rogpeppe/go-internal v1.8.0 h1:FCbCCtXNOY3UtUuHUYaghJg4y7Fd14rXifAYUAtL9R8= +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= 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+github.com/ugorji/go/codec v1.2.9/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg= +golang.org/x/arch v0.0.0-20210923205945-b76863e36670 h1:18EFjUmQOcUvxNYSkA6jO9VAiXCnxFY6NyDX0bHDmkU= +golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8= +golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4= +golang.org/x/crypto v0.5.0 h1:U/0M97KRkSFvyD/3FSmdP5W5swImpNgle/EHFhOsQPE= +golang.org/x/crypto v0.5.0/go.mod h1:NK/OQwhpMQP3MwtdjgLlYHnH9ebylxKWv3e0fK+mkQU= +golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= +golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk= +golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g= +golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= +golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde h1:ejfdSekXMDxDLbRrJMwUk6KnSLZ2McaUCVcIKM+N6jc= +golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU= +golang.org/x/sys v0.5.0/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 v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= +golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo= +golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +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 v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w= +google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk= +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= diff --git a/main.go b/main.go index 98aafb4..4ef7444 100644 --- a/main.go +++ b/main.go @@ -1,40 +1,97 @@ package main import ( + "local/m/mchess_server/server" "log" - "mchess_server/server" "net/http" "os" + + "github.com/gin-gonic/autotls" + "github.com/gin-gonic/gin" + "github.com/gorilla/websocket" ) var cert_path = "/etc/letsencrypt/live/chess.sw-gross.de/" var cert_file = cert_path + "fullchain.pem" var key_file = cert_path + "privkey.pem" -func main() { +var player_number = 0 +var upgrader = websocket.Upgrader{} + +// album represents data about a record album. +type album struct { + ID string `json:"id"` + Title string `json:"title"` + Artist string `json:"artist"` + Price float64 `json:"price"` +} + +// albums slice to seed record album data. +var albums = []album{ + {ID: "1", Title: "Blue Train", Artist: "John Coltrane", Price: 56.99}, + {ID: "2", Title: "Jeru", Artist: "Gerry Mulligan", Price: 17.99}, + {ID: "3", Title: "Sarah Vaughan and Clifford Brown", Artist: "Sarah Vaughan", Price: 39.99}, +} + +func main() { hostname, err := os.Hostname() if err != nil { - log.Println(err) + log.Fatal(err) } - http.HandleFunc("/", server.SocketHandler) + router := gin.Default() + router.GET("/albums", getAlbums) + router.GET("/albums/:id", getAlbumByID) + router.POST("/albums", postAlbums) + router.GET("/random", playRandomGame) - if hostname == "mbook" { // My test environment - err = http.ListenAndServe(":8080", nil) - if err != nil { - log.Println(err) - } + if hostname == "mbook" { + log.Println("Starting service WITHOUT TLS") + log.Fatal(router.Run("localhost:8080")) } else { - err = http.ListenAndServeTLS(":8080", cert_file, key_file, nil) - if err != nil { - log.Println(err) - } + log.Fatal(autotls.Run(router, "chess.sw-gross.de")) + } +} + +func playRandomGame(c *gin.Context) { + server.GetLobby().RegisterPlayer(server.NewPlayer(player_number)) + player_number = player_number + 1 + c.IndentedJSON(http.StatusOK, player_number) +} + +// getAlbums responds with the list of all albums as JSON. +func getAlbums(c *gin.Context) { + c.IndentedJSON(http.StatusOK, albums) +} + +// postAlbums adds an album from JSON received in the request body. +func postAlbums(c *gin.Context) { + var newAlbum album + + // Call BindJSON to bind the received JSON to + // newAlbum. + if err := c.BindJSON(&newAlbum); err != nil { + return } - log.Println("Fin") + // Add the new album to the slice. + albums = append(albums, newAlbum) + c.IndentedJSON(http.StatusCreated, newAlbum) } -func HandleFuncWrapper(a func()) { - a() +// getAlbumByID locates the album whose ID value matches the id +// parameter sent by the client, then returns that album as a response. +func getAlbumByID(c *gin.Context) { + id := c.Param("id") + + // Loop over the list of albums, looking for + // an album whose ID value matches the parameter. + for _, a := range albums { + if a.ID == id { + c.IndentedJSON(http.StatusOK, a) + return + } + } + c.IndentedJSON(http.StatusNotFound, gin.H{"message": "album not found"}) } diff --git a/server/lobby.go b/server/lobby.go index bc871c2..49ef1f6 100644 --- a/server/lobby.go +++ b/server/lobby.go @@ -20,7 +20,7 @@ func newLobby() *Lobby { return &Lobby{} } -func (lobby *Lobby) registerPlayer(player *Player) { +func (lobby *Lobby) RegisterPlayer(player *Player) { lobby.players = append(lobby.players, *player) log.Println(lobby) diff --git a/server/player.go b/server/player.go index 8f16c9c..d8037e2 100644 --- a/server/player.go +++ b/server/player.go @@ -7,9 +7,8 @@ type Player struct { conn *websocket.Conn } -func NewPlayer(id int, conn *websocket.Conn) *Player { +func NewPlayer(id int) *Player { return &Player{ - id: id, - conn: conn, + id: id, } } diff --git a/server/server.go b/server/server.go index fcbfe84..0259492 100644 --- a/server/server.go +++ b/server/server.go @@ -7,35 +7,35 @@ import ( "github.com/gorilla/websocket" ) +var AppPath = "/home/m/projects/programming/flutter_projects/mchess/build/web" + var player_number = 0 -var upgrader = websocket.Upgrader{} // use default options +var upgrader = websocket.Upgrader{} -func SocketHandler(w http.ResponseWriter, r *http.Request) { +func PlayHandler(w http.ResponseWriter, r *http.Request) { log.Println("SocketHandler invoked") - + w.Write([]byte("Hello, this is your websocket connection speaking.")) // Allow connections from any origin upgrader.CheckOrigin = func(r *http.Request) bool { return true } - conn, err := upgrader.Upgrade(w, r, nil) + _, err := upgrader.Upgrade(w, r, nil) if err != nil { log.Print("Error during connection upgrading:", err) return } - GetLobby().registerPlayer(NewPlayer(player_number, conn)) - player_number = player_number + 1 } func WriteMessageToPlayer(player *Player, msg []byte, msgType int) error { log.Printf("Writing message: %s (with messagetype %d) to player %d", string(msg), msgType, player.id) - log.Println("") + return player.conn.WriteMessage(msgType, msg) } func ReadMessageFromPlayer(player *Player) (messageType int, p []byte, err error) { msgType, msg, err := player.conn.ReadMessage() log.Printf("Reading message: %s (with messagetype %d) from player %d", string(msg), msgType, player.id) - log.Println("") + return msgType, msg, err } diff --git a/var_file b/var_file index b6a7d89..3c03207 100644 --- a/var_file +++ b/var_file @@ -1 +1 @@ -16 +18