void get_item_observer::reply(msg const& m) { public_key pk; signature sig; sequence_number seq{0}; bdecode_node const r = m.message.dict_find_dict("r"); if (!r) { #ifndef TORRENT_DISABLE_LOGGING get_observer()->log(dht_logger::traversal, "[%p] missing response dict" , static_cast<void*>(algorithm())); #endif timeout(); return; } bdecode_node const k = r.dict_find_string("k"); if (k && k.string_length() == public_key::len) std::memcpy(pk.bytes.data(), k.string_ptr(), public_key::len); bdecode_node const s = r.dict_find_string("sig"); if (s && s.string_length() == signature::len) std::memcpy(sig.bytes.data(), s.string_ptr(), signature::len); bdecode_node const q = r.dict_find_int("seq"); if (q) { seq = sequence_number(q.int_value()); } else if (k && s) { timeout(); return; } bdecode_node v = r.dict_find("v"); if (v) { static_cast<get_item*>(algorithm())->got_data(v, pk, seq, sig); } find_data_observer::reply(m); }
std::string print_entry(bdecode_node const& e , bool single_line, int indent) { char indent_str[200]; using std::memset; memset(indent_str, ' ', 200); indent_str[0] = ','; indent_str[1] = '\n'; indent_str[199] = 0; if (indent < 197 && indent >= 0) indent_str[indent+2] = 0; std::string ret; switch (e.type()) { case bdecode_node::none_t: return "none"; case bdecode_node::int_t: { char str[100]; snprintf(str, sizeof(str), "%" PRId64, e.int_value()); return str; } case bdecode_node::string_t: { print_string(ret, e.string_ptr(), e.string_length(), single_line); return ret; } case bdecode_node::list_t: { ret += '['; bool one_liner = line_longer_than(e, 200) != -1 || single_line; if (!one_liner) ret += indent_str + 1; for (int i = 0; i < e.list_size(); ++i) { if (i == 0 && one_liner) ret += " "; ret += print_entry(e.list_at(i), single_line, indent + 2); if (i < e.list_size() - 1) ret += (one_liner?", ":indent_str); else ret += (one_liner?" ":indent_str+1); } ret += "]"; return ret; } case bdecode_node::dict_t: { ret += "{"; bool one_liner = line_longer_than(e, 200) != -1 || single_line; if (!one_liner) ret += indent_str+1; for (int i = 0; i < e.dict_size(); ++i) { if (i == 0 && one_liner) ret += " "; std::pair<std::string, bdecode_node> ent = e.dict_at(i); print_string(ret, ent.first.c_str(), ent.first.size(), true); ret += ": "; ret += print_entry(ent.second, single_line, indent + 2); if (i < e.dict_size() - 1) ret += (one_liner?", ":indent_str); else ret += (one_liner?" ":indent_str+1); } ret += "}"; return ret; } } return ret; }