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kickcore.go
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kickcore.go
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package kickcore
import (
"context"
"errors"
"os"
"time"
"github.com/awolverp/kickcore/api"
"github.com/awolverp/kickcore/cache"
"github.com/awolverp/kickcore/cache/noncache"
"github.com/awolverp/kickcore/cache/sqlite"
"github.com/awolverp/kickcore/logging"
"github.com/awolverp/kickcore/server"
"github.com/valyala/fasthttp"
)
// Logging level's
//
// DEBUG < INFO < WARN[ING] < ERROR < CRITICAL
const (
LOGGING_CRITICAL = logging.LEVEL_CRITICAL
LOGGING_ERROR = logging.LEVEL_ERROR
LOGGING_WARNING = logging.LEVEL_WARNING
LOGGING_INFO = logging.LEVEL_INFO
LOGGING_DEBUG = logging.LEVEL_DEBUG
LOGGING_WARN = logging.LEVEL_WARN
)
type Core struct {
// Logging system
logger *logging.FileLogger
// API Client
api_client *api.Session
// Cache system
cache_struct *cache.Cache
expirator *cache.ExpirationMachine
server_app fasthttp.Server
server_mux server.ServeMux
}
type ConfigCore struct {
LoggingLevel int
LoggingConfig *logging.Config
APIClientReadTimeout time.Duration
APIClientWriteTimeout time.Duration
// CacheSystem string
DisableCaching bool
CacheSQLiteTimeout time.Duration
CacheExpirationMachineInterval time.Duration
CacheExtraTTLFilename string
CacheSQLiteDSN string
ServerReadTimeout time.Duration
ServerWriteTimeout time.Duration
ReduceServerMemoryUsage bool
ServerGetOnly bool
ServerLogSpeed bool
}
func (core *Core) Init(c *ConfigCore) error {
if c == nil {
return errors.New("argument (*ConfigCore) is nil")
}
var err error
core.logger, err = logging.NewLogger(c.LoggingLevel, c.LoggingConfig)
if err != nil {
return err
}
core.api_client = api.NewSession(core.logger, c.APIClientReadTimeout, c.APIClientWriteTimeout)
if c.DisableCaching {
core.cache_struct, _ = cache.NewCache(noncache.Connect())
} else {
if c.CacheSQLiteDSN == "" {
c.CacheSQLiteDSN = "db.sqlite3"
}
core.cache_struct, err = cache.NewCache(sqlite.Connect(c.CacheSQLiteDSN, c.CacheSQLiteTimeout))
}
if err != nil {
return err
}
core.cache_struct.Logger = core.logger
if c.CacheExtraTTLFilename != "" {
err = cache.ReadExtraTTL(c.CacheExtraTTLFilename)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
core.logger.Log(LOGGING_WARNING, "Extra TTL file not found: '%s'!", c.CacheExtraTTLFilename)
err = os.WriteFile(c.CacheExtraTTLFilename, defaultExtraTTL, 0655)
if err != nil {
return err
}
core.logger.Log(LOGGING_WARNING, "Extra TTL file created with default content: '%s'", c.CacheExtraTTLFilename)
err = cache.ReadExtraTTL(c.CacheExtraTTLFilename)
if err != nil {
return err
}
} else {
return err
}
}
}
var disable_cache_expiration bool = (c.CacheExpirationMachineInterval <= 0)
if !disable_cache_expiration && !c.DisableCaching {
core.expirator = &cache.ExpirationMachine{
ActiveCache: core.cache_struct,
}
err = core.expirator.Start(c.CacheExpirationMachineInterval)
if err != nil {
return err
}
}
core.server_app = fasthttp.Server{
Name: "awolverp",
ReadTimeout: c.ServerReadTimeout,
WriteTimeout: c.ServerWriteTimeout,
ReduceMemoryUsage: c.ReduceServerMemoryUsage,
GetOnly: c.ServerGetOnly,
CloseOnShutdown: true,
DisableKeepalive: true,
}
core.server_mux = server.ServeMux{
APIClient: core.api_client,
Cache: core.cache_struct,
Logger: core.logger,
LogSpeed: c.ServerLogSpeed,
}
core.server_mux.Init()
return nil
}
func (core *Core) Urls() [][2]interface{} { return server.URLs }
func (core *Core) OpenConnections() int32 { return core.server_app.GetOpenConnectionsCount() }
func (core *Core) Shutdown() error {
ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
defer cancel()
if core.expirator != nil {
core.expirator.Stop()
}
return core.server_app.ShutdownWithContext(ctx)
}
func (core *Core) Serve(addr string) error {
return server.Serve(addr, &core.server_app, &core.server_mux)
}
var (
version string = "2.4.10"
)
func Version() string { return "v" + version }
var defaultExtraTTL = []byte(`{
"ADVANCED_SEARCH": "24h",
"COMPETITION_STANDING_TABLE": "5h",
"COMPETITION_WEEKS": "1h",
"COMPETITIONS_LIST": "24h",
"MATCH_INFO": "1m",
"MATCHES_BY_DATE": "2m",
"MATCHES_BY_WEEKNUMBER": "2m",
"TRANSFERS": "12h",
"TRANSFERS_REGIONS": "24h",
"SEARCH": "24h"
}`)