Wait for responses

diff --git a/bollux b/bollux
index 77f7c11..5ed99ba 100755 (executable)
--- a/bollux
+++ b/bollux
@@ -4,8 +4,6 @@
 # License: MIT
 # Version: -0.7
 
-set -euo pipefail
-
 ### constants ###
 PRGN="${0##*/}"                # program name
 DLDR="${BOLLUX_DOWNDIR:-.}"    # where to download
@@ -25,7 +23,7 @@ RDRS=0                         # redirects
 
 ### utility functions ###
 # a better echo
-put() { printf '%s\n' "$*"; }
+put() { printf '%s\n' "$*" >&3; }
 
 # conditionally log events to stderr
 # lower = more important
@@ -116,20 +114,18 @@ request() { # request [-s SERVER] URL
        log 5 "serv: $serv"
        log 5 "addr: $addr"
 
-       t="$(mktemp)"
-
        sslcmd=(openssl s_client -crlf -ign_eof -quiet -connect "$serv")
        log "${sslcmd[@]}"
-       "${sslcmd[@]}" <<<"$addr" 2>"$t"
-
-       ((LOGL > 4)) && cat "$t"
-       rm "$t"
+       "${sslcmd[@]}" <<<"$addr" 2>/dev/null
 }
 
 # handle the response
 # cf. gemini://gemini.circumlunar.space/docs/spec-spec.txt
-handle() { # handle < RESPONSE ## needs $URL in state
-       head="$(sed 1q)"
+handle() { # handle URL < RESPONSE
+       URL="$1"
+       while read -r head; do
+               break # wait to read the first line
+       done
        code="$(awk '{print $1}' <<<"$head")"
        meta="$(awk '{for(i=2;i<=NF;i++)printf "%s ",$i;printf "\n"}' <<<"$head")"
 
@@ -241,20 +237,33 @@ display() { # display MIMETYPE < DOCUMENT
 
 ### main entry point ###
 bollux() {
+       bollux_setup
+
        if (($# == 1)); then
                URL="$1"
        else
-               read -rp "GO> " URL
+               read -r -u 3 -p "GO> " URL
        fi
 
        log 5 "URL : $URL"
-       log 5 "addr: $(_address "$URL")"
-       log 5 "serv: $(_server "$URL")"
 
-       request "$URL" | handle
+       request "$URL" >.resource &
+       handle "$URL" <.resource
+
+       bollux_cleanup
+}
+
+bollux_setup() {
+       mkfifo .resource
+       trap bollux_cleanup INT QUIT TERM EXIT
+}
+bollux_cleanup() {
+       echo
+       rm -f .resource
 }
 
 if [[ "${BASH_SOURCE[0]}" == "$0" ]]; then
+       set -euo pipefail # strict mode
        # requirements here -- so they're only checked once
        require awk
        require dd