Update configuration paths and enhance allocator handling in main.zig

src/main.zig

@@ -1,8 +1,46 @@
 const zocket = @import("zocket");
 
 const std = @import("std");
+const builtin = @import("builtin");
 
 pub fn main(init: std.process.Init) !void
 {
-    _ = init;
+    const io = init.io;
+
+    std.debug.print("{any}\n", .{builtin.mode});
+
+    if (builtin.mode == .Debug)
+    {
+        var arena: std.heap.DebugAllocator(.{}) = .init;
+        defer _ = arena.deinit();
+
+        try run(io, arena.allocator(), "zocket/config.toml");
+    }
+    else
+    {
+        var arena = std.heap.ArenaAllocator.init(std.heap.smp_allocator);
+        defer arena.deinit();
+
+        const allocator = arena.allocator();
+
+        var tmpArena = std.heap.ArenaAllocator.init(std.heap.smp_allocator);
+        const tmpAllocator = tmpArena.allocator();
+
+        const exe = try std.process.executableDirPathAlloc(io, tmpAllocator);
+        const path = try std.fs.path.join(allocator, &.{ exe, "zocket/config.toml" });
+
+        tmpArena.deinit();
+
+        try run(io, allocator, path);
+    }
+}
+
+fn run(io: std.Io, allocator: std.mem.Allocator, path: []const u8) !void
+{
+    const parsed = try zocket.config.parse(io, allocator, path);
+    defer parsed.deinit();
+
+    const configuration = parsed.value;
+
+    std.debug.print("{any}", .{configuration});
 }

zocket/config.toml

@@ -1,7 +1,7 @@
 [node]
 id          = "node-01"
-data_dir    = "/var/lib/wsmesh"                      # /$data_dir/$id/*
+data_dir    = "/var/lib/zocket"                      # /$data_dir/$id/*
-private_key = "/var/lib/wsmesh/node-01/identity.key" # ed25519, auto-generated on first run if missing, default = /$data_dir/$id/identity.key
+private_key = "/var/lib/zocket/node-01/identity.key" # ed25519, auto-generated on first run if missing, default = /$data_dir/$id/identity.key
 # DEFAULT ASSUMPTION: ephemeral.
 # A fresh keypair each restart is fine and expected as nothing is persisted to disk on purpose
 # (see mesh.discoverability + mesh.trust below), everything mesh-wide is rediscovered via
@@ -25,8 +25,8 @@ bind    = "0.0.0.0:8080"
 
 [listen.client.tls]
 enabled = false
-cert    = "/etc/wsmesh/client.crt"
+cert    = "/etc/zocket/client.crt"
-key     = "/etc/wsmesh/client.key"
+key     = "/etc/zocket/client.key"
 
 [listen.client.auth]
 mode = "token" # none | token
@@ -69,8 +69,8 @@ bind    = "0.0.0.0:8181"
 
 [listen.peer.tls]
 enabled             = false
-cert                = "/etc/wsmesh/peer.crt"
+cert                = "/etc/zocket/peer.crt"
-key                 = "/etc/wsmesh/peer.key"
+key                 = "/etc/zocket/peer.key"
 require_client_cert = false
 
 [listen.peer.auth]