[libeufin] branch master updated: add support for ipv4 only system

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sebasjm pushed a commit to branch master
in repository libeufin.

The following commit(s) were added to refs/heads/master by this push:
     new 5822f89f add support for ipv4 only system
5822f89f is described below

commit 5822f89f770978303bfa2079854535b8e83831ec
Author: Sebastian <sebasjm@gmail.com>
AuthorDate: Tue Nov 1 15:35:53 2022 -0300

    add support for ipv4 only system
---
 .gitignore                                                     |  3 +++
 nexus/src/main/kotlin/tech/libeufin/nexus/Main.kt              |  6 +++++-
 .../src/main/kotlin/tech/libeufin/nexus/server/NexusServer.kt  |  4 ++--
 sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt          | 10 +++++++---
 4 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/.gitignore b/.gitignore
index c943cec6..150fa91b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+/nexus/bin/
+/sandbox/bin/
+/util/bin/
 nexus/libeufin-nexus-dev
 sandbox/libeufin-sandbox-dev
 configure
diff --git a/nexus/src/main/kotlin/tech/libeufin/nexus/Main.kt 
b/nexus/src/main/kotlin/tech/libeufin/nexus/Main.kt
index 8be04d58..52bd0eab 100644
--- a/nexus/src/main/kotlin/tech/libeufin/nexus/Main.kt
+++ b/nexus/src/main/kotlin/tech/libeufin/nexus/Main.kt
@@ -59,6 +59,10 @@ class Serve : CliktCommand("Run nexus HTTP server") {
         "--localhost-only",
         help = "Bind only to localhost.  On all interfaces otherwise"
     ).flag("--no-localhost-only", default = true)
+    private val ipv4Only by option(
+        "--ipv4-only",
+        help = "Bind only to ipv4"
+    ).flag(default = false)
     // Prevent IPv6 mode:
     // private val host by option().default("127.0.0.1")
     private val port by option().int().default(5001)
@@ -80,7 +84,7 @@ class Serve : CliktCommand("Run nexus HTTP server") {
             )
             exitProcess(0)
         }
-        serverMain(port, localhostOnly)
+        serverMain(port, localhostOnly, ipv4Only)
     }
 }
 
diff --git a/nexus/src/main/kotlin/tech/libeufin/nexus/server/NexusServer.kt 
b/nexus/src/main/kotlin/tech/libeufin/nexus/server/NexusServer.kt
index ea019d6b..8c4e6dbe 100644
--- a/nexus/src/main/kotlin/tech/libeufin/nexus/server/NexusServer.kt
+++ b/nexus/src/main/kotlin/tech/libeufin/nexus/server/NexusServer.kt
@@ -1051,7 +1051,7 @@ val nexusApp: Application.() -> Unit = {
         }
     }
 }
-fun serverMain(port: Int, localhostOnly: Boolean) {
+fun serverMain(port: Int, localhostOnly: Boolean, ipv4Only: Boolean) {
     val server = embeddedServer(
         Netty,
         environment = applicationEngineEnvironment {
@@ -1059,7 +1059,7 @@ fun serverMain(port: Int, localhostOnly: Boolean) {
                 this.port = port
                 this.host = if (localhostOnly) "127.0.0.1" else "0.0.0.0"
             }
-            connector {
+            if (!ipv4Only) connector {
                 this.port = port
                 this.host = if (localhostOnly) "[::1]" else "[::]"
             }
diff --git a/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt 
b/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
index fb5504bf..6c069f2a 100644
--- a/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
+++ b/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
@@ -339,6 +339,10 @@ class Serve : CliktCommand("Run sandbox HTTP server") {
         "--localhost-only",
         help = "Bind only to localhost.  On all interfaces otherwise"
     ).flag("--no-localhost-only", default = true)
+    private val ipv4Only by option(
+        "--ipv4-only",
+        help = "Bind only to ipv4"
+    ).flag(default = false)
     private val logLevel by option()
     private val port by option().int().default(5000)
     private val withUnixSocket by option(
@@ -368,7 +372,7 @@ class Serve : CliktCommand("Run sandbox HTTP server") {
             )
             exitProcess(0)
         }
-        serverMain(port, localhostOnly)
+        serverMain(port, localhostOnly, ipv4Only)
     }
 }
 
@@ -1559,7 +1563,7 @@ val sandboxApp: Application.() -> Unit = {
     }
 }
 
-fun serverMain(port: Int, localhostOnly: Boolean) {
+fun serverMain(port: Int, localhostOnly: Boolean, ipv4Only: Boolean) {
     val server = embeddedServer(
         Netty,
         environment = applicationEngineEnvironment{
@@ -1567,7 +1571,7 @@ fun serverMain(port: Int, localhostOnly: Boolean) {
                 this.port = port
                 this.host = if (localhostOnly) "127.0.0.1" else "0.0.0.0"
             }
-            connector {
+            if (!ipv4Only) connector {
                 this.port = port
                 this.host = if (localhostOnly) "[::1]" else "[::]"
             }

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