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Commit16a7263

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committed
process -> subprocess package
1 parent2bf41aa commit16a7263

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2 files changed

+48
-33
lines changed

2 files changed

+48
-33
lines changed

‎Coder Desktop/VPNLib/FileSync/FileSyncDaemon.swift‎

Lines changed: 44 additions & 33 deletions
Original file line numberDiff line numberDiff line change
@@ -2,6 +2,7 @@ import Foundation
22
import GRPC
33
import NIO
44
import os
5+
import Subprocess
56

67
@MainActor
78
publicprotocolFileSyncDaemon:ObservableObject{
@@ -20,8 +21,7 @@ public class MutagenDaemon: FileSyncDaemon {
2021
}
2122
}
2223

23-
privatevarmutagenProcess:Process?
24-
privatevarmutagenPipe:Pipe?
24+
privatevarmutagenProcess:Subprocess?
2525
privateletmutagenPath:URL!
2626
privateletmutagenDataDirectory:URL
2727
privateletmutagenDaemonSocket:URL
@@ -58,24 +58,42 @@ public class MutagenDaemon: FileSyncDaemon {
5858
try?awaitconnect()
5959
awaitstop()
6060

61-
(mutagenProcess, mutagenPipe)=createMutagenProcess()
61+
mutagenProcess=createMutagenProcess()
62+
// swiftlint:disable:next large_tuple
63+
let(standardOutput, standardError, waitForExit):(Pipe.AsyncBytes,Pipe.AsyncBytes,@Sendable()async->Void)
6264
do{
63-
try mutagenProcess?.run()
65+
(standardOutput, standardError, waitForExit)=try mutagenProcess!.run()
6466
}catch{
6567
state=.failed(DaemonError.daemonStartFailure(error))
68+
return
69+
}
70+
71+
Task{
72+
awaitstreamHandler(io: standardOutput)
73+
logger.info("standard output stream closed")
74+
}
75+
76+
Task{
77+
awaitstreamHandler(io: standardError)
78+
logger.info("standard error stream closed")
79+
}
80+
81+
Task{
82+
awaitterminationHandler(waitForExit: waitForExit)
6683
}
6784

6885
do{
6986
tryawaitconnect()
7087
}catch{
7188
state=.failed(DaemonError.daemonStartFailure(error))
89+
return
7290
}
7391

7492
state=.running
7593
logger.info(
7694
"""
7795
mutagen daemon started, pid:
78-
\(self.mutagenProcess?.processIdentifier.description??"unknown", privacy:.public)
96+
\(self.mutagenProcess?.pid.description??"unknown", privacy:.public)
7997
"""
8098
)
8199
}
@@ -129,46 +147,39 @@ public class MutagenDaemon: FileSyncDaemon {
129147

130148
try?awaitcleanupGRPC()
131149

132-
mutagenProcess?.terminate()
150+
mutagenProcess?.kill()
151+
mutagenProcess=nil
133152
logger.info("Daemon stopped and gRPC connection closed")
134153
}
135154

136-
privatefunc createMutagenProcess()->(Process,Pipe){
137-
letoutputPipe=Pipe()
138-
outputPipe.fileHandleForReading.readabilityHandler= logOutput
139-
letprocess=Process()
140-
process.executableURL= mutagenPath
141-
process.arguments=["daemon","run"]
142-
logger.info("setting mutagen data directory:\(self.mutagenDataDirectory.path, privacy:.public)")
155+
privatefunc createMutagenProcess()->Subprocess{
156+
letprocess=Subprocess([mutagenPath.path,"daemon","run"])
143157
process.environment=[
144158
"MUTAGEN_DATA_DIRECTORY": mutagenDataDirectory.path,
145159
]
146-
process.standardOutput= outputPipe
147-
process.standardError= outputPipe
148-
process.terminationHandler= terminationHandler
149-
return(process, outputPipe)
160+
logger.info("setting mutagen data directory:\(self.mutagenDataDirectory.path, privacy:.public)")
161+
return process
150162
}
151163

152-
privatenonisolatedfunc terminationHandler(process _:Process){
153-
Task{@MainActorin
154-
self.mutagenPipe?.fileHandleForReading.readabilityHandler=nil
155-
mutagenProcess=nil
164+
privatefunc terminationHandler(waitForExit:@Sendable()async->Void)async{
165+
awaitwaitForExit()
156166

157-
try?awaitcleanupGRPC()
158-
159-
switchself.state{
160-
case.stopped:
161-
logger.info("mutagen daemon stopped")
162-
return
163-
default:
164-
logger.error("mutagen daemon exited unexpectedly")
165-
self.state=.failed(.terminatedUnexpectedly)
166-
}
167+
switch state{
168+
case.stopped:
169+
logger.info("mutagen daemon stopped")
170+
default:
171+
logger.error(
172+
"""
173+
mutagen daemon exited unexpectedly with code:
174+
\(self.mutagenProcess?.exitCode.description??"unknown")
175+
"""
176+
)
177+
state=.failed(.terminatedUnexpectedly)
167178
}
168179
}
169180

170-
privatenonisolatedfunclogOutput(pipe:FileHandle){
171-
iflet line=String(data: pipe.availableData, encoding:.utf8), line!=""{
181+
privatefuncstreamHandler(io:Pipe.AsyncBytes)async{
182+
forawaitlinein io.lines{
172183
logger.info("\(line, privacy:.public)")
173184
}
174185
}

‎Coder Desktop/project.yml‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -112,6 +112,9 @@ packages:
112112
url:https://github.com/grpc/grpc-swift
113113
# v2 does not support macOS 14.0
114114
exactVersion:1.24.2
115+
Subprocess:
116+
url:https://github.com/jamf/Subprocess
117+
revision:9d67b79
115118

116119
targets:
117120
Coder Desktop:
@@ -270,6 +273,7 @@ targets:
270273
-package:SwiftProtobuf
271274
product:SwiftProtobufPluginLibrary
272275
-package:GRPC
276+
-package:Subprocess
273277
-target:CoderSDK
274278
embed:false
275279

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