From 16edfb1a2bd0b7fa793618b8e5953e92e253a955 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Mon, 11 Sep 2023 06:24:20 +0000
Subject:  Remove s6-tcpserver?d dependency on libs6

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/conn-tools/deps-exe/s6-tcpserver4d |  1 -
 src/conn-tools/deps-exe/s6-tcpserver6d |  1 -
 src/conn-tools/s6-tcpserver4d.c        | 14 +++++++++++---
 src/conn-tools/s6-tcpserver6d.c        | 14 +++++++++++---
 4 files changed, 22 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/conn-tools/deps-exe/s6-tcpserver4d b/src/conn-tools/deps-exe/s6-tcpserver4d
index 062999f..19869b2 100644
--- a/src/conn-tools/deps-exe/s6-tcpserver4d
+++ b/src/conn-tools/deps-exe/s6-tcpserver4d
@@ -1,3 +1,2 @@
--ls6
 -lskarnet
 ${SOCKET_LIB}
diff --git a/src/conn-tools/deps-exe/s6-tcpserver6d b/src/conn-tools/deps-exe/s6-tcpserver6d
index 062999f..19869b2 100644
--- a/src/conn-tools/deps-exe/s6-tcpserver6d
+++ b/src/conn-tools/deps-exe/s6-tcpserver6d
@@ -1,3 +1,2 @@
--ls6
 -lskarnet
 ${SOCKET_LIB}
diff --git a/src/conn-tools/s6-tcpserver4d.c b/src/conn-tools/s6-tcpserver4d.c
index 8dd6614..5982816 100644
--- a/src/conn-tools/s6-tcpserver4d.c
+++ b/src/conn-tools/s6-tcpserver4d.c
@@ -19,6 +19,7 @@
 #include <skalibs/fmtscan.h>
 #include <skalibs/diuint32.h>
 #include <skalibs/env.h>
+#include <skalibs/cspawn.h>
 #include <skalibs/djbunix.h>
 #include <skalibs/sig.h>
 #include <skalibs/selfpipe.h>
@@ -27,8 +28,6 @@
 #include <skalibs/genset.h>
 #include <skalibs/avltreen.h>
 
-#include <s6/ucspiserver.h>
-
 #define ABSOLUTE_MAXCONN 16384
 
 #define USAGE "s6-tcpserver4d [ -v verbosity ] [ -1 ] [ -c maxconn ] [ -C localmaxconn ] prog..."
@@ -257,7 +256,16 @@ static inline void new_connection (int s, uint32_t ip, uint16_t port, char const
   memcpy(fmt + m, "TCPCONNNUM=", 11) ; m += 11 ;
   m += uint_fmt(fmt + m, num) ; fmt[m++] = 0 ;
 
-  pid = s6_ucspiserver_spawn(s, argv, envp, envlen, fmt, m, 4) ;
+  {
+    cspawn_fileaction fa[2] =
+    {
+      [0] = { .type = CSPAWN_FA_MOVE, .x = { .fd2 = { [0] = 0, [1] = s } } },
+      [1] = { .type = CSPAWN_FA_COPY, .x = { .fd2 = { [0] = 1, [1] = 0 } } }
+    } ;
+    char const *newenvp[envlen + 5] ;
+    env_mergen(newenvp, envlen + 5, envp, envlen, fmt, m, 4) ;
+    pid = cspawn(argv[0], argv, newenvp, CSPAWN_FLAGS_SELFPIPE_FINISH, fa, 2) ;
+  }
   if (!pid)
   {
     if (verbosity) strerr_warnwu2sys("spawn ", argv[0]) ;
diff --git a/src/conn-tools/s6-tcpserver6d.c b/src/conn-tools/s6-tcpserver6d.c
index e3c66bd..4168d91 100644
--- a/src/conn-tools/s6-tcpserver6d.c
+++ b/src/conn-tools/s6-tcpserver6d.c
@@ -16,14 +16,13 @@
 #include <skalibs/strerr.h>
 #include <skalibs/fmtscan.h>
 #include <skalibs/env.h>
+#include <skalibs/cspawn.h>
 #include <skalibs/djbunix.h>
 #include <skalibs/sig.h>
 #include <skalibs/selfpipe.h>
 #include <skalibs/iopause.h>
 #include <skalibs/socket.h>
 
-#include <s6/ucspiserver.h>
-
 #define ABSOLUTE_MAXCONN 16384
 
 #define USAGE "s6-tcpserver6d [ -v verbosity ] [ -1 ] [ -c maxconn ] [ -C localmaxconn ] prog..."
@@ -230,7 +229,16 @@ static inline void new_connection (int s, char const *ip, uint16_t port, char co
   memcpy(fmt + m, "TCPCONNNUM=", 11) ; m += 11 ;
   m += uint_fmt(fmt + m, num) ; fmt[m++] = 0 ;
 
-  pid = s6_ucspiserver_spawn(s, argv, envp, envlen, fmt, m, 4) ;
+  {
+    cspawn_fileaction fa[2] =
+    {
+      [0] = { .type = CSPAWN_FA_MOVE, .x = { .fd2 = { [0] = 0, [1] = s } } },
+      [1] = { .type = CSPAWN_FA_COPY, .x = { .fd2 = { [0] = 1, [1] = 0 } } }
+    } ;
+    char const *newenvp[envlen + 5] ;
+    env_mergen(newenvp, envlen + 5, envp, envlen, fmt, m, 4) ;
+    pid = cspawn(argv[0], argv, newenvp, CSPAWN_FLAGS_SELFPIPE_FINISH, fa, 2) ;
+  }
   if (!pid)
   {
     if (verbosity) strerr_warnwu2sys("spawn ", argv[0]) ;
-- 
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