Replace StringAppendF() with fmt::format_to (46dfd585) · Commits · e / os / android_packages_modules_DnsResolver

res_cache.cpp

+2 −5

Original line number	Diff line number	Diff line
		@@ -67,7 +67,6 @@

		using aidl::android::net::IDnsResolver;
		using aidl::android::net::ResolverOptionsParcel;
		using android::base::StringAppendF;
		using android::net::DnsQueryEvent;
		using android::net::DnsStats;
		using android::net::Experiments;
		@@ -1117,11 +1116,9 @@ void _resolv_cache_query_failed(unsigned netid, const void* query, int querylen,
		}

		static void cache_dump_mru_locked(Cache* cache) {
		std::string buf;

		StringAppendF(&buf, "MRU LIST (%2d): ", cache->num_entries);
		std::string buf = fmt::format("MRU LIST ({:2d}): ", cache->num_entries);
		for (Entry* e = cache->mru_list.mru_next; e != &cache->mru_list; e = e->mru_next) {
		StringAppendF(&buf, " %d", e->id);
		fmt::format_to(std::back_inserter(buf), " {}", e->id);
		}

		LOG(INFO) << __func__ << ": " << buf;

res_debug.cpp

+41 −40

Original line number	Diff line number	Diff line
		@@ -129,7 +129,7 @@
		#define RESOLV_ALLOW_VERBOSE_LOGGING 0
		#endif

		using android::base::StringAppendF;
		using fmt::format_to;

		struct res_sym {
		int number; /* Identifying number, like T_MX */
		@@ -142,30 +142,31 @@ static void do_section(ns_msg* handle, ns_sect section) {
		int buflen = 2048;
		ns_rr rr;
		std::string s;

		auto out = std::back_inserter(s);
		/*
		* Print answer records.
		*/
		for (;;) {
		if (ns_parserr(handle, section, rrnum, &rr)) {
		if (errno != ENODEV) StringAppendF(&s, "ns_parserr: %s", strerror(errno));
		if (errno != ENODEV) format_to(out, "ns_parserr: {}", strerror(errno));

		LOG(VERBOSE) << s;
		return;
		}
		if (rrnum == 0) {
		int opcode = ns_msg_getflag(*handle, ns_f_opcode);
		StringAppendF(&s, ";; %s SECTION:\n", p_section(section, opcode));
		format_to(out, ";; {} SECTION:\n", p_section(section, opcode));
		}
		if (section == ns_s_qd)
		StringAppendF(&s, ";;\t%s, type = %s, class = %s\n", ns_rr_name(rr),
		format_to(out, ";;\t{}, type = {}, class = {}\n", ns_rr_name(rr),
		p_type(ns_rr_type(rr)), p_class(ns_rr_class(rr)));
		else if (section == ns_s_ar && ns_rr_type(rr) == ns_t_opt) {
		size_t rdatalen;
		uint16_t optcode, optlen;

		rdatalen = ns_rr_rdlen(rr);
		StringAppendF(&s, "; EDNS: version: %" PRIu32 ", udp=%u, flags=%" PRIu32 "\n",
		(rr.ttl >> 16) & 0xff, ns_rr_class(rr), rr.ttl & 0xffff);
		format_to(out, "; EDNS: version: {}, udp={}, flags={}\n", (rr.ttl >> 16) & 0xff,
		ns_rr_class(rr), rr.ttl & 0xffff);
		const uint8_t* cp = ns_rr_rdata(rr);
		while (rdatalen <= ns_rr_rdlen(rr) && rdatalen >= 4) {
		int i;
		@@ -174,33 +175,33 @@ static void do_section(ns_msg* handle, ns_sect section) {
		GETSHORT(optlen, cp);

		if (optcode == NS_OPT_NSID) {
		StringAppendF(&s, "; NSID: ");
		format_to(out, "; NSID: ");
		if (optlen == 0) {
		StringAppendF(&s, "; NSID\n");
		format_to(out, "; NSID\n");
		} else {
		StringAppendF(&s, "; NSID: ");
		format_to(out, "; NSID: ");
		for (i = 0; i < optlen; i++) {
		StringAppendF(&s, "%02x ", cp[i]);
		format_to(out, "{:02x} ", cp[i]);
		}
		StringAppendF(&s, " (");
		format_to(out, " (");
		for (i = 0; i < optlen; i++) {
		StringAppendF(&s, "%c", isprint(cp[i]) ? cp[i] : '.');
		format_to(out, "{} ", isprint(cp[i]) ? cp[i] : '.');
		}
		StringAppendF(&s, ")\n");
		format_to(out, ")\n");
		}
		} else {
		if (optlen == 0) {
		StringAppendF(&s, "; OPT=%u\n", optcode);
		format_to(out, "; OPT={}\n", optcode);
		} else {
		StringAppendF(&s, "; OPT=%u: ", optcode);
		format_to(out, "; OPT={}: ", optcode);
		for (i = 0; i < optlen; i++) {
		StringAppendF(&s, "%02x ", cp[i]);
		format_to(out, "{:02x} ", cp[i]);
		}
		StringAppendF(&s, " (");
		format_to(out, " (");
		for (i = 0; i < optlen; i++) {
		StringAppendF(&s, "%c", isprint(cp[i]) ? cp[i] : '.');
		format_to(out, "{}", isprint(cp[i]) ? cp[i] : '.');
		}
		StringAppendF(&s, ")\n");
		format_to(out, ")\n");
		}
		}
		rdatalen -= 4 + optlen;
		@@ -215,16 +216,16 @@ static void do_section(ns_msg* handle, ns_sect section) {
		buflen += 1024;
		continue;
		} else {
		StringAppendF(&s, "buflen over 131072");
		format_to(out, "buflen over 131072");
		PLOG(VERBOSE) << s;
		return;
		}
		}
		StringAppendF(&s, "ns_sprintrr failed");
		format_to(out, "ns_sprintrr failed");
		PLOG(VERBOSE) << s;
		return;
		}
		StringAppendF(&s, ";; %s\n", buf.get());
		format_to(out, ";; {}\n", buf.get());
		}
		rrnum++;
		}
		@@ -269,22 +270,22 @@ void res_pquery(std::span<const uint8_t> msg) {
		/*
		* Print header fields.
		*/
		std::string s;
		StringAppendF(&s, ";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n", _res_opcodes[opcode],
		p_rcode((int)rcode), id);
		StringAppendF(&s, ";; flags:");
		if (ns_msg_getflag(handle, ns_f_qr)) StringAppendF(&s, " qr");
		if (ns_msg_getflag(handle, ns_f_aa)) StringAppendF(&s, " aa");
		if (ns_msg_getflag(handle, ns_f_tc)) StringAppendF(&s, " tc");
		if (ns_msg_getflag(handle, ns_f_rd)) StringAppendF(&s, " rd");
		if (ns_msg_getflag(handle, ns_f_ra)) StringAppendF(&s, " ra");
		if (ns_msg_getflag(handle, ns_f_z)) StringAppendF(&s, " ??");
		if (ns_msg_getflag(handle, ns_f_ad)) StringAppendF(&s, " ad");
		if (ns_msg_getflag(handle, ns_f_cd)) StringAppendF(&s, " cd");
		StringAppendF(&s, "; %s: %d", p_section(ns_s_qd, (int)opcode), qdcount);
		StringAppendF(&s, ", %s: %d", p_section(ns_s_an, (int)opcode), ancount);
		StringAppendF(&s, ", %s: %d", p_section(ns_s_ns, (int)opcode), nscount);
		StringAppendF(&s, ", %s: %d", p_section(ns_s_ar, (int)opcode), arcount);
		std::string s = fmt::format(";; ->>HEADER<<- opcode: {}, status: {}, id: {}\n",
		_res_opcodes[opcode], p_rcode((int)rcode), id);
		auto out = std::back_inserter(s);
		format_to(out, ";; flags:");
		if (ns_msg_getflag(handle, ns_f_qr)) format_to(out, " qr");
		if (ns_msg_getflag(handle, ns_f_aa)) format_to(out, " aa");
		if (ns_msg_getflag(handle, ns_f_tc)) format_to(out, " tc");
		if (ns_msg_getflag(handle, ns_f_rd)) format_to(out, " rd");
		if (ns_msg_getflag(handle, ns_f_ra)) format_to(out, " ra");
		if (ns_msg_getflag(handle, ns_f_z)) format_to(out, " ??");
		if (ns_msg_getflag(handle, ns_f_ad)) format_to(out, " ad");
		if (ns_msg_getflag(handle, ns_f_cd)) format_to(out, " cd");
		format_to(out, "; {}: {}", p_section(ns_s_qd, (int)opcode), qdcount);
		format_to(out, ", {}: {}", p_section(ns_s_an, (int)opcode), ancount);
		format_to(out, ", {}: {}", p_section(ns_s_ns, (int)opcode), nscount);
		format_to(out, ", {}: {}", p_section(ns_s_ar, (int)opcode), arcount);

		LOG(VERBOSE) << s;