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/*
Hockeypuck - OpenPGP key server
Copyright (C) 2012 Casey Marshall
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package hockeypuck
import (
"net/http"
)
// Size of the worker channels. May want to make this configurable.
const HKP_CHAN_SIZE = 20
// Operation type in request.
type Operation int
// Hockeypuck supported Operations.
const (
UnknownOperation = iota
Get Operation = iota
Index Operation = iota
Vindex Operation = iota
Status Operation = iota
)
// Option bit mask in request.
type Option int
// Hockeypuck supported HKP options.
const (
MachineReadable Option = 1 << iota
NotModifiable Option = 1 << iota
NoOption = Option(0)
)
// An HKP "lookup" request.
type Lookup struct {
Op Operation
Search string
Option Option
Fingerprint bool
Exact bool
// Hostname and port are used with op=status
Hostname string
Port int
responseChan ResponseChan
}
// Get the response channel that a worker processing
// a lookup request will use to send the response back to the
// web server.
func (l *Lookup) Response() ResponseChan {
return l.responseChan
}
// An HKP "add" request.
type Add struct {
Keytext string
Option Option
responseChan ResponseChan
}
// Get the response channel for sending a response to an add request.
func (a *Add) Response() ResponseChan {
return a.responseChan
}
// Interface for requests that have a response channel.
type HasResponse interface {
Response() ResponseChan
}
// Worker responses.
type Response interface {
Error() error
WriteTo(http.ResponseWriter) error
}
// Channel of Lookup requests, to be read by a 'lookup' worker.
type LookupChan chan *Lookup
// Channel of Add requests, to be read by an 'add' worker.
type AddChan chan *Add
// Response channel to which the workers send their results.
type ResponseChan chan Response
// The HKP server.
type HkpServer struct {
LookupRequests LookupChan
AddRequests AddChan
}
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