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generate UUID automatically based on chip ID and MAC address

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This commit is contained in:
John Doe
2015-07-05 01:36:43 +03:00
committed by Ivan Grokhotkov
parent 9cb80528c7
commit 3c54cb0a26
3 changed files with 36 additions and 35 deletions
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41
libraries/ESP8266SSDP/ESP8266SSDP.cpp
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@ -41,6 +41,16 @@ extern "C" {
#define SSDP_URI_SIZE 2
#define SSDP_BUFFER_SIZE 64
#define SSDP_UUID_SIZE 37
#define SSDP_FRIENDLY_NAME_SIZE 64
#define SSDP_SERIAL_NUMBER_SIZE 32
#define SSDP_PRESENTATION_URL_SIZE 128
#define SSDP_MODEL_NAME_SIZE 64
#define SSDP_MODEL_URL_SIZE 128
#define SSDP_MODEL_VERSION_SIZE 32
#define SSDP_MANUFACTURER_SIZE 64
#define SSDP_MANUFACTURER_URL_SIZE 128
static const IPAddress SSDP_MULTICAST_ADDR(239, 255, 255, 250);
const char* _ssdp_response_template =
@ -58,7 +68,7 @@ const char* _ssdp_packet_template =
"%s" // _ssdp_response_template / _ssdp_notify_template
"CACHE-CONTROL: max-age=%u\r\n" // SSDP_INTERVAL
"SERVER: Arduino/1.0 UPNP/1.1 %s/%s\r\n" // _modelName, _modelNumber
"USN: uuid:%s-%02X%02X%02X%02X%02X%02X\r\n" // _base, _mac[0], _mac[1], _mac[2], _mac[3], _mac[4], _mac[5]
"USN: uuid:%s\r\n" // _uuid
"LOCATION: http://%u.%u.%u.%u/ssdp/schema.xml\r\n" // WiFi.localIP()
"\r\n";
@ -84,14 +94,13 @@ const char* _ssdp_schema_template =
"<modelURL>%s</modelURL>"
"<manufacturer>%s</manufacturer>"
"<manufacturerURL>%s</manufacturerURL>"
"<UDN>%s-%02X%02X%02X%02X%02X%02X</UDN>" //uuid:UUID
"<UDN>%s</UDN>"
"</device>"
"</root>\r\n"
"\r\n";
SSDPClass::SSDPClass(){
_base = (char*)os_malloc(SSDP_BASE_SIZE);
_mac = (byte*)os_malloc(6);
_uuid = (char*)os_malloc(SSDP_UUID_SIZE);
_friendlyName = (char*)os_malloc(SSDP_FRIENDLY_NAME_SIZE);
_presentationURL = (char*)os_malloc(SSDP_PRESENTATION_URL_SIZE);
_serialNumber = (char*)os_malloc(SSDP_SERIAL_NUMBER_SIZE);
@ -101,6 +110,7 @@ SSDPClass::SSDPClass(){
_manufacturer = (char*)os_malloc(SSDP_MANUFACTURER_SIZE);
_manufacturerURL = (char*)os_malloc(SSDP_MANUFACTURER_URL_SIZE);
_uuid[0] = '\0';
_modelNumber[0] = '\0';
_friendlyName[0] = '\0';
_presentationURL[0] = '\0';
@ -113,8 +123,7 @@ SSDPClass::SSDPClass(){
}
SSDPClass::~SSDPClass(){
os_free(_base);
os_free(_mac);
os_free(_uuid);
os_free(_friendlyName);
os_free(_presentationURL);
os_free(_serialNumber);
@ -126,18 +135,26 @@ SSDPClass::~SSDPClass(){
_pending = false;
}
void SSDPClass::begin(char *base){
void SSDPClass::begin(){
ip_addr_t ifaddr;
ip_addr_t multicast_addr;
_pending = false;
strcpy(_base, base);
WiFi.macAddress(_mac);
ifaddr.addr = WiFi.localIP();
multicast_addr.addr = (uint32_t) SSDP_MULTICAST_ADDR;
igmp_joingroup(&ifaddr, &multicast_addr);
uint8_t mac[6];
WiFi.macAddress(mac);
uint32_t chipId = ESP.getChipId();
sprintf(_uuid, "38323636-4558-%04X-%04X-%02X%02X%02X%02X%02X%02X",
(chipId >> 16) & 0xFFFF, chipId & 0xFFFF,
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]
);
#ifdef DEBUG_SSDP
DEBUG_SSDP.printf("SSDP UUID: %s\n", (char *)_uuid);
#endif
_server.begin(SSDP_PORT);
}
@ -165,7 +182,7 @@ void SSDPClass::send(ssdp_method_t method){
(method == NONE)?_ssdp_response_template:_ssdp_notify_template,
SSDP_INTERVAL,
_modelName, _modelNumber,
_base, _mac[0], _mac[1], _mac[2], _mac[3], _mac[4], _mac[5],
_uuid,
(uint8_t)(ip & 0xFF), (uint8_t)((ip >> 8) & 0xFF), (uint8_t)((ip >> 16) & 0xFF), (uint8_t)((ip >> 24) & 0xFF)
);
@ -182,7 +199,7 @@ void SSDPClass::schema(WiFiClient client){
_modelURL,
_manufacturer,
_manufacturerURL,
_base, _mac[0], _mac[1], _mac[2], _mac[3], _mac[4], _mac[5]
_uuid
);
}