╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ event.zig ────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭4b8a0b11..╮ 4b8a0b11.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (578) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. embed/ event/ test/ ui/ command.zig diff3.zig ╭─────────────────────────────────╮ │event.zig │ ╰─────────────────────────────────╯ find.zig fork.zig lib.zig main.zig main_wasm.zig patch.zig progress.zig push.zig search.zig search_commit.zig search_thread.zig serve.zig serve_common.zig serve_http.zig serve_ssh.zig serve_ssh_protocol.zig test.zig testnet.zig try.zig ui.zig web.zig
2069 .ready_queue_index = 0, 2070 .newest_object_id = null, 2071 .oldest_object_id = null, 2072 }; 2073 errdefer self.deinit(io, allocator); 2074 2075 try self.collect(state, io, allocator, consumed_object_ids, ref); 2076 2077 return self; 2078 } 2079 2080 pub fn deinit(self: *CommitIterator(repo_kind, repo_opts), io: std.Io, allocator: std.mem.Allocator) void { 2081 self.db_file.close(io); 2082 self.repo_dir.deleteFile(io, db_name) catch {}; 2083 allocator.destroy(self.db); 2084 } 2085 2086 pub fn next(self: *CommitIterator(repo_kind, repo_opts)) !?[hash.byteLen(repo_opts.hash)]u8 { 2087 if (self.ready_queue_index >= try self.ready_queue.count()) return null; 2088 2089 const oid = try readOidFromList(self.ready_queue.readOnly(), self.ready_queue_index); 2090 self.ready_queue_index += 1; 2091 2092 try self.enqueueChildren(&oid); 2093 return oid; 2094 } 2095 2096 fn collect( 2097 self: *CommitIterator(repo_kind, repo_opts), 2098 state: rp.Repo(repo_kind, repo_opts).State(.read_only), 2099 io: std.Io, 2100 allocator: std.mem.Allocator, 2101 consumed_object_ids: DB.HashMap(.read_only), 2102 ref: rf.Ref, 2103 ) !void { 2104 const map = try TempDB.HashMap(.read_write).init(self.db.rootCursor()); 2105 2106 const walk_queue_cursor = try map.putCursor(hash.hashInt(repo_opts.hash, "walk-queue")); 2107 const walk_queue = try TempDB.ArrayList(.read_write).init(walk_queue_cursor); 2108 var walk_queue_index: u64 = 0; 2109 2110 const seen_object_ids_cursor = try map.putCursor(hash.hashInt(repo_opts.hash, "seen-object-ids")); 2111 const seen_object_ids = try TempDB.HashSet(.read_write).init(seen_object_ids_cursor); 2112 2113 const head_oid_hex = (try rf.readRecur(repo_kind, repo_opts, state, io, .{ .ref = ref })) orelse return error.OidNotFound; 2114 var head_oid: [hash.byteLen(repo_opts.hash)]u8 = undefined; 2115 _ = try std.fmt.hexToBytes(&head_oid, &head_oid_hex); 2116 try walk_queue.append(.{ .bytes = &head_oid }); 2117 2118 while (walk_queue_index < try walk_queue.count()) { 2119 const oid = try readOidFromList(walk_queue.readOnly(), walk_queue_index); 2120 const oid_int = hash.bytesToInt(repo_opts.hash, &oid); 2121 2122 walk_queue_index += 1; 2123 2124 // if we've seen this object id, skip it 2125 if (null != try seen_object_ids.getCursor(oid_int)) { 2126 continue; 2127 } 2128 2129 try seen_object_ids.put(oid_int, .{ .bytes = &oid }); 2130 2131 var commit_object = try obj.Object(repo_kind, repo_opts).init(state, io, allocator, &std.fmt.bytesToHex(oid, .lower)); 2132 defer commit_object.deinit(); 2133 2134 // if this object id has already been consumed, skip it 2135 if (null != try consumed_object_ids.getCursor(oid_int)) { 2136 continue; 2137 } 2138 2139 if (self.newest_object_id == null) self.newest_object_id = oid; 2140 self.oldest_object_id = oid; 2141 2142 const parent_oids = commit_object.content.commit.metadata.parent_oids orelse return error.ParentOidsNotFound; 2143 var pending_parent_count: u64 = 0; 2144 for (parent_oids) |*parent_oid| { 2145 var parent_oid_bytes: [hash.byteLen(repo_opts.hash)]u8 = undefined; 2146 _ = try std.fmt.hexToBytes(&parent_oid_bytes, parent_oid); 2147 const parent_oid_int = hash.bytesToInt(repo_opts.hash, &parent_oid_bytes); 2148 2149 // if this object id has already been consumed, skip it 2150 if (null != try consumed_object_ids.getCursor(parent_oid_int)) { 2151 continue; 2152 } 2153 2154 // if this object id hasn't already been seen, add it to the walk queue 2155 if (null == try seen_object_ids.getCursor(parent_oid_int)) { 2156 try walk_queue.append(.{ .bytes = &parent_oid_bytes }); 2157 } 2158 2159 const children_cursor = try self.parent_to_children.putCursor(parent_oid_int); 2160 const children = try TempDB.HashSet(.read_write).init(children_cursor); 2161 try children.put(oid_int, .{ .bytes = &oid }); 2162 pending_parent_count += 1; 2163 } 2164 2165 if (pending_parent_count == 0) { 2166 try self.ready_queue.append(.{ .bytes = &oid }); 2167 } else { 2168 try self.child_to_pending_parents.put(oid_int, .{ .uint = pending_parent_count }); 2169 } 2170 } 2171 } 2172 2173 fn enqueueChildren(self: *CommitIterator(repo_kind, repo_opts), oid: *const [hash.byteLen(repo_opts.hash)]u8) !void { 2174 const oid_int = hash.bytesToInt(repo_opts.hash, oid); 2175 const children_cursor = try self.parent_to_children.getCursor(oid_int) orelse return; 2176 const children = try TempDB.HashSet(.read_only).init(children_cursor); 2177 var children_iter = try children.iterator(); 2178 2179 while (try children_iter.next()) |*child_cursor| { 2180 const kv_pair = try child_cursor.readKeyValuePair(); 2181 const child_oid_int = kv_pair.hash; 2182 const pending_parent_cursor = try self.child_to_pending_parents.getCursor(child_oid_int) orelse return error.CursorNotFound; 2183 const pending_parent_count = try pending_parent_cursor.readUint(); 2184 2185 if (pending_parent_count <= 1) { 2186 _ = try self.child_to_pending_parents.remove(child_oid_int); 2187 const child_oid = hash.intToBytes(hash.HashInt(repo_opts.hash), child_oid_int); 2188 try self.ready_queue.append(.{ .bytes = &child_oid }); 2189 } else { 2190 try self.child_to_pending_parents.put(child_oid_int, .{ .uint = pending_parent_count - 1 }); 2191 } 2192 } 2193 } 2194 2195 fn readOidFromList(list: TempDB.ArrayList(.read_only), index: u64) ![hash.byteLen(repo_opts.hash)]u8 { 2196 const oid_cursor = try list.getCursor(index) orelse return error.CursorNotFound; 2197 var oid: [hash.byteLen(repo_opts.hash)]u8 = undefined; 2198 _ = try oid_cursor.readBytes(&oid); 2199 return oid; 2200 } 2201 }; 2202 } 2203