arduino/esp8266
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Add human readable instance name property

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This commit is contained in:
Eric Wilkison
2015-12-15 13:29:59 -08:00
parent 971bd9b75c
commit 8d9f174826
2 changed files with 42 additions and 25 deletions
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54
libraries/ESP8266mDNS/ESP8266mDNS.cpp
View File

@ -55,9 +55,9 @@ extern "C" {
//#define MDNS_DEBUG_ERR
//#define MDNS_DEBUG_TX
//#define MDNS_DEBUG_RX
#define MDNS_DEBUG_ERR
#define MDNS_DEBUG_TX
#define MDNS_DEBUG_RX
#define MDNS_NAME_REF 0xC000
@ -88,19 +88,22 @@ static const int MDNS_PORT = 5353;
MDNSResponder::MDNSResponder() : _conn(0) { _services = 0; }
MDNSResponder::~MDNSResponder() {}
bool MDNSResponder::begin(const char* domain){
bool MDNSResponder::begin(const char* hostname){
// Open the MDNS socket if it isn't already open.
size_t n = strlen(domain);
if (n > 255) { // Can only handle domains that are 255 chars in length.
size_t n = strlen(hostname);
if (n > 63) { // max size for a single label.
return false;
}
// Copy in domain characters as lowercase
// Copy in hostname characters as lowercase
for (size_t i = 0; i < n; ++i)
_hostName[i] = tolower(domain[i]);
_hostName[i] = tolower(hostname[i]);
_hostName[n] = '\0';
// Copy hostname to default instance name
os_strcpy(_instanceName,hostname);
// Open the MDNS socket if it isn't already open.
if (!_conn) {
uint32_t ourIp = _getOurIp();
@ -139,10 +142,10 @@ void MDNSResponder::update() {
}
void MDNSResponder::setInstanceName(char * name){
if (os_strlen(name) > 63) return;
else os_strcpy(_instanceName,name);
}
bool MDNSResponder::addServiceTxt(char *name, char *proto, char *key, char *value){
@ -317,9 +320,11 @@ void MDNSResponder::_parsePacket(){
hostNameLen = 0;
}
if(hostNameLen > 0 && strcmp(_hostName, hostName) != 0){
if(hostNameLen > 0 && strcmp(_hostName, hostName) != 0 && strcmp(_instanceName, hostName) != 0 ){
#ifdef MDNS_DEBUG_ERR
Serial.printf("ERR_NO_HOST: %s\n", hostName);
Serial.printf("hostname: %s\n", hostName);
Serial.printf("instance: %s\n", _instanceName);
#endif
_conn->flush();
return;
@ -495,6 +500,9 @@ void MDNSResponder::_reply(uint8_t replyMask, char * service, char *proto, uint1
Serial.printf("TX: mask:%01X, service:%s, proto:%s, port:%u\n", replyMask, service, proto, port);
#endif
char * instanceName = _instanceName;
size_t instanceNameLen = os_strlen(instanceName);
char * hostName = _hostName;
size_t hostNameLen = os_strlen(hostName);
@ -549,7 +557,7 @@ void MDNSResponder::_reply(uint8_t replyMask, char * service, char *proto, uint1
_conn->append(reinterpret_cast<const char*>(&terminator), 1); // terminator
//Send the type, class, ttl and rdata length
uint8_t ptrDataLen = hostNameLen + serviceNameLen + protoNameLen + localNameLen + 5; // 5 is four label sizes and the terminator
uint8_t ptrDataLen = instanceNameLen + serviceNameLen + protoNameLen + localNameLen + 5; // 5 is four label sizes and the terminator
uint8_t ptrAttrs[10] = {
0x00, 0x0c, //PTR record query
0x00, 0x01, //Class IN
@ -558,9 +566,9 @@ void MDNSResponder::_reply(uint8_t replyMask, char * service, char *proto, uint1
};
_conn->append(reinterpret_cast<const char*>(ptrAttrs), 10);
//Send the RData (ie. "esp8266._http._tcp.local")
_conn->append(reinterpret_cast<const char*>(&hostNameLen), 1); // lenght of "esp8266"
_conn->append(reinterpret_cast<const char*>(hostName), hostNameLen); // "esp8266"
//Send the RData (ie. "My IOT device._http._tcp.local")
_conn->append(reinterpret_cast<const char*>(&instanceNameLen), 1); // lenght of "My IOT device"
_conn->append(reinterpret_cast<const char*>(instanceName), instanceNameLen);// "My IOT device"
_conn->append(reinterpret_cast<const char*>(&serviceNameLen), 1); // lenght of "_http"
_conn->append(reinterpret_cast<const char*>(serviceName), serviceNameLen); // "_http"
_conn->append(reinterpret_cast<const char*>(&protoNameLen), 1); // lenght of "_tcp"
@ -572,9 +580,9 @@ void MDNSResponder::_reply(uint8_t replyMask, char * service, char *proto, uint1
//TXT Responce
if(replyMask & 0x4){
//Send the name field (ie. "esp8266._http._tcp.local")
_conn->append(reinterpret_cast<const char*>(&hostNameLen), 1); // lenght of "esp8266"
_conn->append(reinterpret_cast<const char*>(hostName), hostNameLen); // "esp8266"
//Send the name field (ie. "My IOT device._http._tcp.local")
_conn->append(reinterpret_cast<const char*>(&instanceNameLen), 1); // lenght of "My IOT device"
_conn->append(reinterpret_cast<const char*>(instanceName), instanceNameLen);// "My IOT device"
_conn->append(reinterpret_cast<const char*>(&serviceNameLen), 1); // lenght of "_http"
_conn->append(reinterpret_cast<const char*>(serviceName), serviceNameLen); // "_http"
_conn->append(reinterpret_cast<const char*>(&protoNameLen), 1); // lenght of "_tcp"
@ -608,9 +616,9 @@ void MDNSResponder::_reply(uint8_t replyMask, char * service, char *proto, uint1
//SRV Responce
if(replyMask & 0x2){
//Send the name field (ie. "esp8266._http._tcp.local")
_conn->append(reinterpret_cast<const char*>(&hostNameLen), 1); // lenght of "esp8266"
_conn->append(reinterpret_cast<const char*>(hostName), hostNameLen); // "esp8266"
//Send the name field (ie. "My IOT device._http._tcp.local")
_conn->append(reinterpret_cast<const char*>(&instanceNameLen), 1); // lenght of "My IOT device"
_conn->append(reinterpret_cast<const char*>(instanceName), instanceNameLen);// "My IOT device"
_conn->append(reinterpret_cast<const char*>(&serviceNameLen), 1); // lenght of "_http"
_conn->append(reinterpret_cast<const char*>(serviceName), serviceNameLen); // "_http"
_conn->append(reinterpret_cast<const char*>(&protoNameLen), 1); // lenght of "_tcp"

11
libraries/ESP8266mDNS/ESP8266mDNS.h
View File

@ -95,10 +95,19 @@ public:
void enableArduino(uint16_t port, bool auth=false);
void setInstanceName(char * name);
void setInstanceName(const char * name){
setInstanceName((char*) name);
}
void setInstanceName(String name){
setInstanceName(name.c_str());
}
private:
struct MDNSService * _services;
UdpContext* _conn;
char _hostName[128];
char _hostName[63];
char _instanceName[63];
uint32_t _getOurIp();
uint16_t _getServicePort(char *service, char *proto);