cat(port, file=f)
close(f)
}
+ ## FIXME: maybe we should support dontClose here?
s <- socketConnection(host="localhost", server=TRUE, port=port, open="r+b")
on.exit(close(s))
- serve(s)
+ tryCatch(serve(s), endOfFile=function(c) NULL)
}
serve <- function(io) {
readChunk <- function(io, len) {
buffer <- readChar(io, len)
+ if(length(buffer) == 0) {
+ condition <- simpleCondition("End of file on io")
+ class(condition) <- c("endOfFile", class(condition))
+ signalCondition(condition)
+ }
if(nchar(buffer) != len) {
stop("short read in readChunk")
}