increase max port count to 15

Cargo.lock

@@ -345,9 +345,9 @@ checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
 [[package]]
 name = "fltk"
-version = "1.2.7"
+version = "1.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0953c34fd5b0c6ac1b615fdcda8845c81ed364165b115ddac46ae8953d456640"
+checksum = "889d9b2176b88c6f8f90ba64b0b030e52807ed1d6e416df0c15611225b40cc1d"
 dependencies = [
  "bitflags",
  "fltk-sys",
@@ -356,9 +356,9 @@ dependencies = [
 
 [[package]]
 name = "fltk-sys"
-version = "1.2.7"
+version = "1.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2df700440c014123cc1644fbef7d33dcdda18cdd80373a7552a9d5cec47ca63"
+checksum = "e38b2f3fb23b4bd46fc492d5d8d099b0bf766a7ab5d18b8424d93089ae934a48"
 dependencies = [
  "cmake",
 ]

prototypes/ptth_quic_client_gui/Cargo.toml

@@ -10,7 +10,7 @@ license = "AGPL-3.0"
 [dependencies]
 anyhow = "1.0.38"
 blake3 = "1.0.0"
-fltk = "1.2.7"
+fltk = "1.2.8"
 quic_demo = { path = "../quic_demo" }
 quinn = "0.7.2"
 rand = "0.8.4"

prototypes/ptth_quic_client_gui/src/main.rs

@@ -136,7 +136,9 @@ impl GuiClient <'_> {
 		ports_col: &mut Flex,
 		fltk_tx: fltk::app::Sender <Message>
 	) {
-		if self.ports.len () >= 5 {
+		const MAX_PORTS: usize = 15;
+		
+		if self.ports.len () >= MAX_PORTS {
 			return;
 		}
 		
@@ -151,7 +153,7 @@ impl GuiClient <'_> {
 		
 		self.ports.push (port);
 		
-		if self.ports.len () >= 5 {
+		if self.ports.len () >= MAX_PORTS {
 			self.but_add_port.deactivate ();
 		}
 	}
@@ -224,7 +226,7 @@ fn main () -> anyhow::Result <()> {
 	let connection_p2_p3 = rt.block_on (async move {
 		let server_cert = match opt.cert_url.as_ref () {
 			Some (url) => reqwest::get (url).await?.bytes ().await?,
-			None => tokio::fs::read ("ptth_quic_output/quic_server.crt").await?.into (),
+			None => tokio::fs::read ("ptth_quic_output/quic_server.crt").await.context ("can't read quic_server.crt from disk")?.into (),
 		};
 		
 		let endpoint = make_client_endpoint ("0.0.0.0:0".parse ()?, &[&server_cert])?;