47 std::string str2hex(const char* buffer, size_t len) {  in str2hex()  argument
51         uint8_t c = buffer[i];  in str2hex()
144     const char* read(const char* buffer, const char* buffer_end);
145     char* write(char* buffer, const char* buffer_end) const;
148     const char* parseField(const char* buffer, const char* buffer_end,
156 const char* DNSName::read(const char* buffer, const char* buffer_end) {  in read()  argument
157     const char* cur = buffer;  in read()
169 char* DNSName::write(char* buffer, const char* buffer_end) const {  in write()  argument
170     char* buffer_cur = buffer;  in write()
199 const char* DNSName::parseField(const char* buffer, const char* buffer_end,  in parseField()  argument
201     if (buffer + sizeof(uint8_t) > buffer_end) {  in parseField()
205     unsigned field_type = *buffer >> 6;  in parseField()
206     unsigned ofs = *buffer & 0x3F;  in parseField()
207     const char* cur = buffer + sizeof(uint8_t);  in parseField()
233     const char* read(const char* buffer, const char* buffer_end);
234     char* write(char* buffer, const char* buffer_end) const;
238 const char* DNSQuestion::read(const char* buffer, const char* buffer_end) {  in read()  argument
239     const char* cur = qname.read(buffer, buffer_end);  in read()
253 char* DNSQuestion::write(char* buffer, const char* buffer_end) const {  in write()  argument
254     char* buffer_cur = qname.write(buffer, buffer_end);  in write()
267     char buffer[4096];  in toString()  local
268     int len = snprintf(buffer, sizeof(buffer), "Q<%s,%s,%s>", qname.toString(),  in toString()
270     return std::string(buffer, len);  in toString()
279     const char* read(const char* buffer, const char* buffer_end);
280     char* write(char* buffer, const char* buffer_end) const;
290     const char* readIntFields(const char* buffer, const char* buffer_end,
292     char* writeIntFields(unsigned rdlen, char* buffer,
296 const char* DNSRecord::read(const char* buffer, const char* buffer_end) {  in read()  argument
297     const char* cur = name.read(buffer, buffer_end);  in read()
316 char* DNSRecord::write(char* buffer, const char* buffer_end) const {  in write()  argument
317     char* buffer_cur = name.write(buffer, buffer_end);  in write()
329     char buffer[4096];  in toString()  local
330     int len = snprintf(buffer, sizeof(buffer), "R<%s,%s,%s>", name.toString(),  in toString()
332     return std::string(buffer, len);  in toString()
335 const char* DNSRecord::readIntFields(const char* buffer, const char* buffer_end,  in readIntFields()  argument
337     if (buffer + sizeof(IntFields) > buffer_end ) {  in readIntFields()
341     const auto& intfields = *reinterpret_cast<const IntFields*>(buffer);  in readIntFields()
346     return buffer + sizeof(IntFields);  in readIntFields()
349 char* DNSRecord::writeIntFields(unsigned rdlen, char* buffer,  in writeIntFields()  argument
351     if (buffer + sizeof(IntFields) > buffer_end ) {  in writeIntFields()
355     auto& intfields = *reinterpret_cast<IntFields*>(buffer);  in writeIntFields()
360     return buffer + sizeof(IntFields);  in writeIntFields()
376     const char* read(const char* buffer, const char* buffer_end);
377     char* write(char* buffer, const char* buffer_end) const;
391     const char* readHeader(const char* buffer, const char* buffer_end,
396 const char* DNSHeader::read(const char* buffer, const char* buffer_end) {  in read()  argument
401     const char* cur = readHeader(buffer, buffer_end, &qdcount, &ancount,  in read()
450 char* DNSHeader::write(char* buffer, const char* buffer_end) const {  in write()  argument
451     if (buffer + sizeof(Header) > buffer_end) {  in write()
455     Header& header = *reinterpret_cast<Header*>(buffer);  in write()
467     char* buffer_cur = buffer + sizeof(Header);  in write()
492 const char* DNSHeader::readHeader(const char* buffer, const char* buffer_end,  in readHeader()  argument
495     if (buffer + sizeof(Header) > buffer_end)  in readHeader()
497     const auto& header = *reinterpret_cast<const Header*>(buffer);  in readHeader()
514     return buffer + sizeof(Header);  in readHeader()
684         char buffer[4096];  in requestHandler()  local
689             len = recvfrom(socket_, buffer, sizeof(buffer), 0,  in requestHandler()
699         if (handleDNSRequest(buffer, len, response, &response_len) &&  in requestHandler()
722 bool DNSResponder::handleDNSRequest(const char* buffer, ssize_t len,  in handleDNSRequest()  argument
725     ALOGI("request: '%s'", str2hex(buffer, len).c_str());  in handleDNSRequest()
726     const char* buffer_end = buffer + len;  in handleDNSRequest()
728     const char* cur = header.read(buffer, buffer_end);  in handleDNSRequest()