ssb: Missed a few connection failures for context.

apps/ssb.json

@@ -1,5 +1,5 @@
 {
 	"type": "tildefriends-app",
 	"emoji": "🐌",
-	"previous": "&CKsS2aS8+7u9S5jDCiqBLA6xr7xLdMHclMKHjzwxcnM=.sha256"
+	"previous": "&olI6SRBA/dThYusGLGhZ9T2nFKyGB9r+/kb7bJxa4gg=.sha256"
 }

apps/ssb/tf-tab-connections.js

@@ -12,7 +12,9 @@ class TfTabConnectionsElement extends LitElement {
 			stored_connections: {type: Array},
 			users: {type: Object},
 			server_identity: {type: String},
-			connect_error: {type: String},
+			connect_attempt: {type: Object},
+			connect_message: {type: String},
+			connect_success: {type: Boolean},
 		};
 	}
 
@@ -89,12 +91,26 @@ class TfTabConnectionsElement extends LitElement {
 		`;
 	}
 
+	render_message(connection) {
+		return html`<div
+			?hidden=${this.connect_message === undefined ||
+			this.connect_attempt != connection}
+			style="cursor: pointer"
+			class=${'w3-panel ' + (this.connect_success ? 'w3-green' : 'w3-red')}
+			@click=${() => this.connect_attempt = undefined}
+		>
+			<p>${this.connect_message}</p>
+		</div>`;
+	}
+
 	render_broadcast(connection) {
+		let self = this;
 		return html`
-			<li class="w3-bar" style="overflow: hidden; overflow-wrap: nowrap">
+			<li>
+				<div class="w3-bar" style="overflow: hidden; overflow-wrap: nowrap">
 					<button
 						class="w3-bar-item w3-button w3-theme-d1"
-					@click=${() => tfrpc.rpc.connect(connection)}
+						@click=${() => self.connect(connection)}
 					>
 						Connect
 					</button>
@@ -103,6 +119,8 @@ class TfTabConnectionsElement extends LitElement {
 						<tf-user id=${connection.pubkey} .users=${this.users}></tf-user>
 						${this.render_connection_summary(connection)}
 					</div>
+				</div>
+				${this.render_message(connection)}
 			</li>
 		`;
 	}
@@ -166,10 +184,22 @@ class TfTabConnectionsElement extends LitElement {
 
 	connect(address) {
 		let self = this;
-		tfrpc.rpc.connect(address).then(function() {
+		self.connect_attempt = address;
-			self.connect_error = 'connected!';
+		self.connect_message = undefined;
-		}).catch(function(error) {
+		self.connect_success = false;
-			self.connect_error = error;
+		tfrpc.rpc
+			.connect(address)
+			.then(function () {
+				if (self.connect_attempt == address) {
+					self.connect_message = 'Connected.';
+					self.connect_success = true;
+				}
+			})
+			.catch(function (error) {
+				if (self.connect_attempt == address) {
+					self.connect_message = 'Error: ' + error;
+					self.connect_success = false;
+				}
 			});
 	}
 
@@ -185,14 +215,14 @@ class TfTabConnectionsElement extends LitElement {
 				</button>
 				<h2>New Connection</h2>
 				<textarea class="w3-input w3-theme-d1" id="code"></textarea>
+				${this.render_message(this.renderRoot.getElementById('code')?.value)}
 				<button
 					class="w3-button w3-theme-d1"
 					@click=${() =>
-						self.connect(self.renderRoot.getElementById('code').value)}
+						self.connect(self.renderRoot.getElementById('code')?.value)}
 				>
 					Connect
 				</button>
-				<div ?hidden=${this.connect_error === undefined}>${this.connect_error}</div>
 				<h2>Broadcasts</h2>
 				<ul class="w3-ul w3-border">
 					${this.broadcasts
@@ -213,7 +243,8 @@ class TfTabConnectionsElement extends LitElement {
 				<ul class="w3-ul w3-border">
 					${this.stored_connections.map(
 						(x) => html`
-							<li class="w3-bar">
+							<li>
+								<div class="w3-bar">
 									<button
 										class="w3-bar-item w3-button w3-theme-d1"
 										@click=${() => self.forget_stored_connection(x)}
@@ -222,7 +253,7 @@ class TfTabConnectionsElement extends LitElement {
 									</button>
 									<button
 										class="w3-bar-item w3-button w3-theme-d1"
-									@click=${() => tfrpc.rpc.connect(x)}
+										@click=${() => this.connect(x)}
 									>
 										Connect
 									</button>
@@ -230,6 +261,8 @@ class TfTabConnectionsElement extends LitElement {
 										<tf-user id=${x.pubkey} .users=${self.users}></tf-user>
 										<div><small>${x.address}:${x.port}</small></div>
 									</div>
+								</div>
+								${this.render_message(x)}
 							</li>
 						`
 					)}

deps/c-ares

@@ -1 +1 @@
-Subproject commit a57ff692eeab8d21c853dc1ddaf0164f517074c3
+Subproject commit c29e75d54c3743783d51a609980495cf553b4bca

src/ssb.c

@@ -511,7 +511,9 @@ static void _tf_ssb_write(tf_ssb_connection_t* connection, void* data, size_t si
 		if (result)
 		{
 			tf_ssb_connection_adjust_write_count(connection, -1);
-			_tf_ssb_connection_close(connection, "write failed");
+			char buffer[256];
+			snprintf(buffer, sizeof(buffer), "write failed : %s", uv_strerror(result));
+			_tf_ssb_connection_close(connection, buffer);
 			tf_free(write);
 		}
 	}
@@ -2127,8 +2129,9 @@ static bool _tf_ssb_connection_read_start(tf_ssb_connection_t* connection)
 	int result = uv_read_start((uv_stream_t*)&connection->tcp, _tf_ssb_connection_on_tcp_alloc, _tf_ssb_connection_on_tcp_recv);
 	if (result && result != UV_EALREADY)
 	{
-		tf_printf("uv_read_start => %s\n", uv_strerror(result));
+		char reason[1024];
-		_tf_ssb_connection_close(connection, "uv_read_start failed");
+		snprintf(reason, sizeof(reason), "uv_read_start failed: %s", uv_strerror(result));
+		_tf_ssb_connection_close(connection, reason);
 		return false;
 	}
 	return true;
@@ -2139,8 +2142,9 @@ static bool _tf_ssb_connection_read_stop(tf_ssb_connection_t* connection)
 	int result = uv_read_stop((uv_stream_t*)&connection->tcp);
 	if (result && result != UV_EALREADY)
 	{
-		tf_printf("uv_read_stop => %s\n", uv_strerror(result));
+		char reason[1024];
-		_tf_ssb_connection_close(connection, "uv_read_stop failed");
+		snprintf(reason, sizeof(reason), "uv_read_stop failed: %s", uv_strerror(result));
+		_tf_ssb_connection_close(connection, reason);
 		return false;
 	}
 	return true;
@@ -2160,7 +2164,9 @@ static void _tf_ssb_connection_on_connect(uv_connect_t* connect, int status)
 	}
 	else
 	{
-		_tf_ssb_connection_close(connection, "uv_tcp_connect failed");
+		char reason[1024];
+		snprintf(reason, sizeof(reason), "uv_tcp_connect failed: %s", uv_strerror(status));
+		_tf_ssb_connection_close(connection, reason);
 	}
 }
 
@@ -2779,9 +2785,10 @@ static tf_ssb_connection_t* _tf_ssb_connection_create(
 	int result = uv_tcp_connect(&connection->connect, &connection->tcp, (const struct sockaddr*)addr, _tf_ssb_connection_on_connect);
 	if (result)
 	{
-		tf_printf("uv_tcp_connect(%s): %s\n", host, uv_strerror(result));
+		char reason[1024];
+		snprintf(reason, sizeof(reason), "uv_tcp_connect(%s) => %s", host, uv_strerror(result));
 		connection->connect.data = NULL;
-		_tf_ssb_connection_destroy(connection, "connect failed");
+		_tf_ssb_connection_destroy(connection, reason);
 	}
 	else
 	{
@@ -2966,15 +2973,21 @@ static void _tf_ssb_on_connection(uv_stream_t* stream, int status)
 	connection->object = JS_NewObjectClass(ssb->context, _connection_class_id);
 	JS_SetOpaque(connection->object, connection);
 
-	if (uv_tcp_init(ssb->loop, &connection->tcp) != 0)
+	int result = uv_tcp_init(ssb->loop, &connection->tcp);
+	if (result != 0)
 	{
-		_tf_ssb_connection_destroy(connection, "init failed");
+		char reason[1024];
+		snprintf(reason, sizeof(reason), "uv_tcp_init() => %s", uv_strerror(result));
+		_tf_ssb_connection_destroy(connection, reason);
 		return;
 	}
 
-	if (uv_accept(stream, (uv_stream_t*)&connection->tcp) != 0)
+	result = uv_accept(stream, (uv_stream_t*)&connection->tcp);
+	if (result != 0)
 	{
-		_tf_ssb_connection_destroy(connection, "accept failed");
+		char reason[1024];
+		snprintf(reason, sizeof(reason), "uv_accept() => %s", uv_strerror(result));
+		_tf_ssb_connection_destroy(connection, reason);
 		return;
 	}