HAXY

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╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ event.zig ────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯

╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯

.. embed/ event/ test/ ui/ command.zig ╭─────────────────────────────────╮ │event.zig │ ╰─────────────────────────────────╯ lib.zig main.zig main_wasm.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

1093 const ready_queue_cursor = try map.putCursor(hash.hashInt(repo_opts.hash, "ready-queue")); 1094 const ready_queue = try DB.ArrayList(.read_write).init(ready_queue_cursor); 1095 1096 var self = CommitIterator(repo_kind, repo_opts){ 1097 .repo_dir = state.core.repo_dir, 1098 .db_file = db_file, 1099 .db = db_ptr, 1100 .parent_to_children = parent_to_children, 1101 .child_to_pending_parents = child_to_pending_parents, 1102 .ready_queue = ready_queue, 1103 .ready_queue_index = 0, 1104 .newest_object_id = null, 1105 .oldest_object_id = null, 1106 }; 1107 errdefer self.deinit(io, allocator); 1108 1109 try self.collect(state, io, allocator, consumed_object_ids, ref); 1110 1111 return self; 1112 } 1113 1114 pub fn deinit(self: *CommitIterator(repo_kind, repo_opts), io: std.Io, allocator: std.mem.Allocator) void { 1115 self.db_file.close(io); 1116 self.db.core.memory.buffer.deinit(); 1117 allocator.destroy(self.db.core.memory.buffer); 1118 self.repo_dir.deleteFile(io, db_name) catch {}; 1119 allocator.destroy(self.db); 1120 } 1121 1122 pub fn next(self: *CommitIterator(repo_kind, repo_opts)) !?[hash.byteLen(repo_opts.hash)]u8 { 1123 if (self.ready_queue_index >= try self.ready_queue.count()) return null; 1124 1125 const oid = try readOidFromList(self.ready_queue.readOnly(), self.ready_queue_index); 1126 self.ready_queue_index += 1; 1127 1128 try self.enqueueChildren(&oid); 1129 return oid; 1130 } 1131 1132 fn collect( 1133 self: *CommitIterator(repo_kind, repo_opts), 1134 state: rp.Repo(repo_kind, repo_opts).State(.read_only), 1135 io: std.Io, 1136 allocator: std.mem.Allocator, 1137 consumed_object_ids: DB.HashMap(.read_only), 1138 ref: rf.Ref, 1139 ) !void { 1140 const map = try DB.HashMap(.read_write).init(self.db.rootCursor()); 1141 1142 const walk_queue_cursor = try map.putCursor(hash.hashInt(repo_opts.hash, "walk-queue")); 1143 const walk_queue = try DB.ArrayList(.read_write).init(walk_queue_cursor); 1144 var walk_queue_index: u64 = 0; 1145 1146 const seen_object_ids_cursor = try map.putCursor(hash.hashInt(repo_opts.hash, "seen-object-ids")); 1147 const seen_object_ids = try DB.HashSet(.read_write).init(seen_object_ids_cursor); 1148 1149 const head_oid_hex = (try rf.readRecur(repo_kind, repo_opts, state, io, .{ .ref = ref })) orelse return error.OidNotFound; 1150 var head_oid: [hash.byteLen(repo_opts.hash)]u8 = undefined; 1151 _ = try std.fmt.hexToBytes(&head_oid, &head_oid_hex); 1152 try walk_queue.append(.{ .bytes = &head_oid }); 1153 1154 while (walk_queue_index < try walk_queue.count()) { 1155 const oid = try readOidFromList(walk_queue.readOnly(), walk_queue_index); 1156 const oid_int = hash.bytesToInt(repo_opts.hash, &oid); 1157 1158 walk_queue_index += 1; 1159 1160 // if we've seen this object id, skip it 1161 if (null != try seen_object_ids.getCursor(oid_int)) { 1162 continue; 1163 } 1164 1165 try seen_object_ids.put(oid_int, .{ .bytes = &oid }); 1166 1167 var commit_object = try obj.Object(repo_kind, repo_opts).init(state, io, allocator, &std.fmt.bytesToHex(oid, .lower)); 1168 defer commit_object.deinit(); 1169 1170 // if this object id has already been consumed, skip it 1171 if (null != try consumed_object_ids.getCursor(oid_int)) { 1172 continue; 1173 } 1174 1175 if (self.newest_object_id == null) self.newest_object_id = oid; 1176 self.oldest_object_id = oid; 1177 1178 const parent_oids = commit_object.content.commit.metadata.parent_oids orelse return error.ParentOidsNotFound; 1179 var pending_parent_count: u64 = 0; 1180 for (parent_oids) |*parent_oid| { 1181 var parent_oid_bytes: [hash.byteLen(repo_opts.hash)]u8 = undefined; 1182 _ = try std.fmt.hexToBytes(&parent_oid_bytes, parent_oid); 1183 const parent_oid_int = hash.bytesToInt(repo_opts.hash, &parent_oid_bytes); 1184 1185 // if this object id has already been consumed, skip it 1186 if (null != try consumed_object_ids.getCursor(parent_oid_int)) { 1187 continue; 1188 } 1189 1190 // if this object id hasn't already been seen, add it to the walk queue 1191 if (null == try seen_object_ids.getCursor(parent_oid_int)) { 1192 try walk_queue.append(.{ .bytes = &parent_oid_bytes }); 1193 } 1194 1195 const children_cursor = try self.parent_to_children.putCursor(parent_oid_int); 1196 const children = try DB.HashSet(.read_write).init(children_cursor); 1197 try children.put(oid_int, .{ .bytes = &oid }); 1198 pending_parent_count += 1; 1199 } 1200 1201 if (pending_parent_count == 0) { 1202 try self.ready_queue.append(.{ .bytes = &oid }); 1203 } else { 1204 try self.child_to_pending_parents.put(oid_int, .{ .uint = pending_parent_count }); 1205 } 1206 } 1207 } 1208 1209 fn enqueueChildren(self: *CommitIterator(repo_kind, repo_opts), oid: *const [hash.byteLen(repo_opts.hash)]u8) !void { 1210 const oid_int = hash.bytesToInt(repo_opts.hash, oid); 1211 const children_cursor = try self.parent_to_children.getCursor(oid_int) orelse return; 1212 const children = try DB.HashSet(.read_only).init(children_cursor); 1213 var children_iter = try children.iterator(); 1214 1215 while (try children_iter.next()) |*child_cursor| { 1216 const kv_pair = try child_cursor.readKeyValuePair(); 1217 const child_oid_int = kv_pair.hash; 1218 const pending_parent_cursor = try self.child_to_pending_parents.getCursor(child_oid_int) orelse return error.CursorNotFound; 1219 const pending_parent_count = try pending_parent_cursor.readUint(); 1220 1221 if (pending_parent_count <= 1) { 1222 _ = try self.child_to_pending_parents.remove(child_oid_int); 1223 const child_oid = hash.intToBytes(hash.HashInt(repo_opts.hash), child_oid_int); 1224 try self.ready_queue.append(.{ .bytes = &child_oid }); 1225 } else { 1226 try self.child_to_pending_parents.put(child_oid_int, .{ .uint = pending_parent_count - 1 }); 1227 } 1228 } 1229 } 1230 1231 fn readOidFromList(list: DB.ArrayList(.read_only), index: u64) ![hash.byteLen(repo_opts.hash)]u8 { 1232 const oid_cursor = try list.getCursor(index) orelse return error.CursorNotFound; 1233 var oid: [hash.byteLen(repo_opts.hash)]u8 = undefined; 1234 _ = try oid_cursor.readBytes(&oid); 1235 return oid; 1236 } 1237 }; 1238 } 1239