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lotus-package-manager/ProtoHandler/Handler.go
2021-11-09 18:22:52 +01:00

82 lines
1.9 KiB
Go

package ProtoHandler
import (
"context"
"google.golang.org/grpc"
"lpm-cli/Lotus"
proto "lpm-cli/Proto/lpm/go"
"time"
)
func createConnection(address string) *grpc.ClientConn{
logger := Lotus.DetailedLogger("ProtoHandler", "createConnection")
//TODO Remove Hardcoded addr
conn, err := grpc.Dial(address, grpc.WithInsecure())
if err != nil {
logger.Fatal(err)
}
return conn
}
func createRegistryClient(conn *grpc.ClientConn) (proto.LpmRegistryClient, context.Context, context.CancelFunc) {
lrc := proto.NewLpmRegistryClient(conn)
ctx, cancel := context.WithTimeout(context.Background(), time.Second * 10)
return lrc, ctx, cancel
}
func parsePackages(res *proto.SearchResponse, reg Lotus.Registry) []Package{
var packages []Package
for _, pkg := range res.GetPackages(){
var tmpMeta PackageMetadata
tmpMeta.FillMetadata(pkg)
packages = append(packages, Package{
PackageMetadata: tmpMeta,
Register: Lotus.Registry{
Register: reg.Register,
Address: reg.Address,
},
})
}
return packages
}
func fetchPackages(platform string, architecture []string, query string, registry Lotus.Registry) *proto.SearchResponse {
logger := Lotus.DetailedLogger("ProtoHandler", "fetchPackages")
conn := createConnection(registry.Address)
defer conn.Close()
client, ctx, cancel := createRegistryClient(conn)
defer cancel()
res, connErr := client.Search(ctx, &proto.SearchRequest{Platform: platform, Architecture: architecture, Query: query})
if connErr != nil{
logger.Error(connErr)
}
return res
}
func SearchPackages(platform string, architecture []string, query string) []Package {
registries := Lotus.GetRegistries()
var packages []Package
for _, reg := range registries{
res := fetchPackages(platform, architecture, query, reg)
if res != nil{
for _, pkg := range parsePackages(res, reg){
packages = append(packages, pkg)
}
}
}
return packages
}