Checkpoint, updates for Nim 2.0.

FossilOrigin-Name: be37ceda30c70ca3480cc04749238e5f78e719f86f7e30ad7ed2429a93f77d36

sieb.nimble

@@ -9,6 +9,6 @@ bin           = @["sieb"]
 
 
 # Dependencies
-requires "nim >= 1.5.0"
+requires "nim >= 2.0.0"
-requires "yaml >= 1.1"
+requires "yaml >= 2.0"
 

src/lib/config.nim

@@ -13,8 +13,7 @@ import
     std/os,
     std/streams,
     std/tables,
-    yaml/parser,
+    yaml/loading
-    yaml/serialization
 
 import util
 
@@ -57,7 +56,7 @@ proc parse( path: string ): Config =
     let stream = newFileStream( path )
     try:
         stream.load( result )
-    except YamlParserError as err:
+    except YamlLoadingError as err:
         debug err.msg
         return Config() # return empty default, it could be "half parsed"
     except YamlConstructionError as err:

src/lib/message.nim

@@ -14,6 +14,7 @@ import
     std/osproc,
     std/posix,
     std/re,
+    std/selectors,
     std/streams,
     std/strformat,
     std/strutils,
@@ -105,7 +106,7 @@ proc newMessage*( dir: Maildir ): Message =
 
     let now = getTime()
     var hostname = newString(256)
-    discard getHostname( hostname, 256 )
+    discard getHostname( cstring(hostname), 256 )
     hostname.setLen( cstring(hostname).len )
 
     msgcount = msgcount + 1
@@ -179,21 +180,14 @@ proc filter*( orig_msg: Message, cmd: seq[string] ): Message =
         # Read from the original message, write to the filter 
         # process in chunks.
         #
-        "*** STARTING PIPE TO PROCESS".debug
+        orig_msg.open
-        var t = 0
-
-
-        # FIXME: I think I'm a victim of the kernel buffer filling up
-        # with large messages.  There are numerous posts regarding this.
-        # Might need to go lower level than "streams" with the child process.
-        #
         while not orig_msg.stream.atEnd:
             buf = orig_msg.stream.readStr( BUFSIZE )
-            t = t + BUFSIZE
             process.inputStream.write( buf )
             process.inputStream.flush
-            echo "wrote ", t
+
-        "*** DONE PIPING TO PROCESS".debug  # FIXME: hangs on large messages
+            # FIXME: Need to start reading from process with
+            # the selector when it becomes readable
 
         # Read from the filter process until EOF, send to the
         # new message in chunks.