more TSV logging

1 files changed, 28 insertions, 12 deletions

diff --git a/src/tsv.zig b/src/tsv.zig
index cc6d6d6..a199b90 100644
--- a/src/tsv.zig
+++ b/src/tsv.zig
@@ -22,7 +22,7 @@ fn get_or_init_client() *c.GlClient {
             2000,
             2000,
             2000,
-        ) orelse unreachable;
+        ) orelse @panic("failed to init tsv gl_client");
     }
 
     return global_client.?;
@@ -83,9 +83,9 @@ pub const TSVSource = struct {
             2000,
             2000,
             2000,
-        ) orelse return error.tsvError;
+        ) orelse return error.tsvErrorCreateClient;
 
-        const guard = c.gl_client_find_image_data(client, self.name, false) orelse return error.notFound;
+        const guard = c.gl_client_find_image_data(client, self.name, false) orelse return error.tsvDataNotFound;
         defer c.gl_client_image_data_guard_destroy(guard);
 
         const metadata = c.gl_client_image_data_guard_read(guard) orelse return error.tsvError;
@@ -97,15 +97,16 @@ pub const TSVSource = struct {
         );
 
         while (!self.thread.quit) {
-            self.update(client);
+            try self.update(client);
             c.glFlush();
             try std.Thread.yield();
         }
     }
 
-    fn update(self: *TSVSource, client: *c.GlClient) void {
+    fn update(self: *TSVSource, client: *c.GlClient) !void {
         if (!self.stream.shouldStep()) return;
-        _ = c.gl_client_recv_image(
+
+        switch (c.gl_client_recv_image(
             client,
             self.name.ptr,
             self.source.texture.id,
@@ -113,7 +114,12 @@ pub const TSVSource = struct {
             false,
             0,
             null,
-        );
+        )) {
+            c.RequiresUpdate, c.Found => {},
+            c.NotFound => return error.tsvRecvNotFound,
+            c.Error => return error.tsvRecvError,
+            else => unreachable,
+        }
     }
 };
 
@@ -129,7 +135,7 @@ pub const TSVOutput = struct {
             config: *const Config,
             allocator: std.mem.Allocator,
             constants: *gl.Constants,
-        ) *Output {
+        ) !*Output {
             const self = allocator.create(TSVOutput) catch unreachable;
 
             self.* = .{
@@ -140,14 +146,19 @@ pub const TSVOutput = struct {
                 .config = config,
             };
 
-            _ = c.gl_client_init_image(
+            switch (c.gl_client_init_image(
                 get_or_init_client(),
                 config.name,
                 @intCast(constants.config.width),
                 @intCast(constants.config.height),
                 c.R8G8B8A8,
                 true,
-            );
+            )) {
+                c.RequiresUpdate, c.Found => {},
+                c.NotFound => return error.tsvCreateNotFound,
+                c.Error => return error.tsvCreateError,
+                else => unreachable,
+            }
 
             return &self.output;
         }
@@ -162,7 +173,7 @@ pub const TSVOutput = struct {
         var fbo: c.GLint = undefined;
         c.glGetIntegerv(c.GL_DRAW_FRAMEBUFFER_BINDING, &fbo);
 
-        _ = c.gl_client_send_image(
+        switch (c.gl_client_send_image(
             get_or_init_client(),
             self.config.name,
             texture_id,
@@ -170,7 +181,12 @@ pub const TSVOutput = struct {
             false,
             @intCast(fbo),
             null,
-        );
+        )) {
+            1 => {},
+            0 => std.debug.print("tsv send: no remote image\n", .{}),
+            else => |e| std.debug.print("tsv send: error {}\n", .{e}),
+        }
+
         return false;
     }