Add SSDP Library and let Print::printf to handle longer strings

Author: John Doe

hardware/esp8266com/esp8266/cores/esp8266/Print.cpp

@@ -47,8 +47,8 @@ size_t ICACHE_FLASH_ATTR Print::write(const uint8_t *buffer, size_t size) {
 size_t Print::printf(const char *format, ...) {
   va_list arg;
   va_start(arg, format);
-  char temp[256];
-  size_t len = ets_vsnprintf(temp, 256, format, arg);
+  char temp[1460];
+  size_t len = ets_vsnprintf(temp, 1460, format, arg);
   len = print(temp);
   va_end(arg);
   return len;

hardware/esp8266com/esp8266/libraries/ESP8266SSDP/ESP8266SSDP.cpp

@@ -0,0 +1,320 @@
+/*
+ESP8266 Simple Service Discovery
+Copyright (c) 2015 Hristo Gochkov
+
+Original (Arduino) version by Filippo Sallemi, July 23, 2014.
+Can be found at: https://github.com/nomadnt/uSSDP
+
+License (MIT license):
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+
+*/
+
+#include "ESP8266SSDP.h"
+
+extern "C" {
+  #include "ip_addr.h"
+  #include "user_interface.h"
+  #include "mem.h"
+}
+#include "lwip/igmp.h"
+
+#define SSDP_INTERVAL     1200
+#define SSDP_PORT         1900
+#define SSDP_METHOD_SIZE  10
+#define SSDP_URI_SIZE     2
+#define SSDP_BUFFER_SIZE  64
+
+static const IPAddress SSDP_MULTICAST_ADDR(239, 255, 255, 250);
+
+const char* _ssdp_response_template = 
+  "HTTP/1.1 200 OK\r\n"
+  "EXT:\r\n"
+  "ST: upnp:rootdevice\r\n";
+
+const char* _ssdp_notify_template = 
+  "NOTIFY * HTTP/1.1\r\n"
+  "HOST: 239.255.255.250:1900\r\n"
+  "NT: upnp:rootdevice\r\n"
+  "NTS: ssdp:alive\r\n";
+
+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/%u.%u\r\n" // _modelName, _modelNumber->major, _modelNumber->minor
+  "USN: uuid:%s-%02X%02X%02X%02X%02X%02X\r\n" // _base, _mac[0], _mac[1], _mac[2], _mac[3], _mac[4], _mac[5]
+  "LOCATION: http://%u.%u.%u.%u/ssdp/schema.xml\r\n" // WiFi.localIP()
+  "\r\n";
+
+const char* _ssdp_schema_template = 
+  "HTTP/1.1 200 OK\r\n"
+  "Content-Type: text/xml\r\n"
+  "Connection: close\r\n"
+  "Access-Control-Allow-Origin: *\r\n"
+  "\r\n"
+  "<?xml version=\"1.0\"?>"
+  "<root xmlns=\"urn:schemas-upnp-org:device-1-0\">"
+    "<specVersion>"
+      "<major>1</major>"
+      "<minor>0</minor>"
+    "</specVersion>"
+    "<device>"
+      "<deviceType>urn:schemas-upnp-org:device:Basic:1</deviceType>"
+      "<friendlyName>%s</friendlyName>"
+      "<presentationURL>%s</presentationURL>"
+      "<serialNumber>%s</serialNumber>"
+      "<modelName>%s</modelName>"
+      "<modelNumber>%u.%u</modelNumber>"
+      "<modelURL>%s</modelURL>"
+      "<manufacturer>%s</manufacturer>"
+      "<manufacturerURL>%s</manufacturerURL>"
+      "<UDN>%s-%02X%02X%02X%02X%02X%02X</UDN>" //uuid:UUID
+    "</device>"
+  "</root>\r\n"
+  "\r\n";
+
+SSDPClass::SSDPClass(){
+  _base = (char*)os_malloc(SSDP_BASE_SIZE);
+  _mac = (byte*)os_malloc(6);
+  _friendlyName = (char*)os_malloc(SSDP_FRIENDLY_NAME_SIZE);
+  _presentationURL = (char*)os_malloc(SSDP_PRESENTATION_URL_SIZE);
+  _serialNumber = (char*)os_malloc(SSDP_SERIAL_NUMBER_SIZE);
+  _modelName = (char*)os_malloc(SSDP_MODEL_NAME_SIZE);
+  _modelNumber = (ssdp_version_t*)os_malloc(SSDP_MODEL_VERSION_SIZE);
+  _modelURL = (char*)os_malloc(SSDP_MODEL_URL_SIZE);
+  _manufacturer = (char*)os_malloc(SSDP_MANUFACTURER_SIZE);
+  _manufacturerURL = (char*)os_malloc(SSDP_MANUFACTURER_URL_SIZE);
+  
+  _modelNumber->major = 0;
+  _modelNumber->minor = 0;
+  _friendlyName[0] = '\0';
+  _presentationURL[0] = '\0';
+  _serialNumber[0] = '\0';
+  _modelName[0] = '\0';
+  _modelURL[0] = '\0';
+  _manufacturer[0] = '\0';
+  _manufacturerURL[0] = '\0';
+  _pending = false;
+}
+
+SSDPClass::~SSDPClass(){
+	os_free(_base);
+  os_free(_mac);
+  os_free(_friendlyName);
+  os_free(_presentationURL);
+  os_free(_serialNumber);
+  os_free(_modelName);
+  os_free(_modelNumber);
+  os_free(_modelURL);
+  os_free(_manufacturer);
+  os_free(_manufacturerURL);
+  _pending = false;
+}
+
+void SSDPClass::begin(char *base){
+  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);
+  
+  _server.begin(SSDP_PORT);
+}
+
+void SSDPClass::send(ssdp_method_t method){
+#ifdef DEBUG_SSDP
+  if(method == NONE){
+    DEBUG_SSDP.print("Sending Response to ");
+    DEBUG_SSDP.print(_server.remoteIP());
+    DEBUG_SSDP.print(":");
+    DEBUG_SSDP.println(_server.remotePort());
+  }else if(method == NOTIFY){
+    DEBUG_SSDP.println("Sending Notify to 239.255.255.250:1900");
+  }
+#endif
+  
+  if(method == NONE){
+    _server.beginPacket(_server.remoteIP(), _server.remotePort());
+  } else {
+    _server.beginPacket(SSDP_MULTICAST_ADDR, SSDP_PORT);
+  }
+
+  uint32_t ip = WiFi.localIP();
+  
+  _server.printf(_ssdp_packet_template,
+    (method == NONE)?_ssdp_response_template:_ssdp_notify_template,
+    SSDP_INTERVAL,
+    _modelName, _modelNumber->major, _modelNumber->minor,
+    _base, _mac[0], _mac[1], _mac[2], _mac[3], _mac[4], _mac[5],
+    (uint8_t)(ip & 0xFF), (uint8_t)((ip >> 8) & 0xFF), (uint8_t)((ip >> 16) & 0xFF), (uint8_t)((ip >> 24) & 0xFF)
+  );
+    
+  _server.endPacket();
+}
+
+void SSDPClass::schema(WiFiClient client){
+  client.printf(_ssdp_schema_template,
+    _friendlyName,
+    _presentationURL,
+    _serialNumber,
+    _modelName,
+    _modelNumber->major, _modelNumber->minor,
+    _modelURL,
+    _manufacturer,
+    _manufacturerURL,
+    _base, _mac[0], _mac[1], _mac[2], _mac[3], _mac[4], _mac[5]
+  );
+}
+
+uint8_t SSDPClass::update(){
+  if(!_pending && _server.parsePacket() > 0){
+    ssdp_method_t method = NONE;
+
+    typedef enum {METHOD, URI, PROTO, KEY, VALUE, ABORT} states;
+    states state = METHOD;
+
+    typedef enum {START, MAN, ST, MX} headers;
+    headers header = START;
+
+    uint8_t cursor = 0;
+    uint8_t cr = 0;
+
+    char buffer[SSDP_BUFFER_SIZE] = {0};
+    
+    while(_server.available() > 0){
+      char c = _server.read();
+
+      (c == '\r' || c == '\n') ? cr++ : cr = 0;
+
+      switch(state){
+        case METHOD:
+          if(c == ' '){
+            if(strcmp(buffer, "M-SEARCH") == 0) method = SEARCH;
+            else if(strcmp(buffer, "NOTIFY") == 0) method = NOTIFY;
+            
+            if(method == NONE) state = ABORT;
+            else state = URI; 
+            cursor = 0;
+
+          }else if(cursor < SSDP_METHOD_SIZE - 1){ buffer[cursor++] = c; buffer[cursor] = '\0'; }
+          break;
+        case URI:
+          if(c == ' '){
+            if(strcmp(buffer, "*")) state = ABORT;
+            else state = PROTO; 
+            cursor = 0; 
+          }else if(cursor < SSDP_URI_SIZE - 1){ buffer[cursor++] = c; buffer[cursor] = '\0'; }
+          break;
+        case PROTO:
+          if(cr == 2){ state = KEY; cursor = 0; }
+          break;
+        case KEY:
+          if(cr == 4){ _pending = true; _process_time = millis(); }
+          else if(c == ' '){ cursor = 0; state = VALUE; }
+          else if(c != '\r' && c != '\n' && c != ':' && cursor < SSDP_BUFFER_SIZE - 1){ buffer[cursor++] = c; buffer[cursor] = '\0'; }
+          break;
+        case VALUE:
+          if(cr == 2){
+            switch(header){
+              case MAN:
+#ifdef DEBUG_SSDP
+                DEBUG_SSDP.printf("MAN: %s\n", (char *)buffer);
+#endif
+                break;
+              case ST:
+                if(strcmp(buffer, "ssdp:all")){
+                  state = ABORT;
+#ifdef DEBUG_SSDP
+                  DEBUG_SSDP.printf("REJECT: %s\n", (char *)buffer);
+#endif
+                }
+                break;
+              case MX:
+                _delay = random(0, atoi(buffer)) * 1000L;
+                break;
+            }
+
+            if(state != ABORT){ state = KEY; header = START; cursor = 0; }
+          }else if(c != '\r' && c != '\n'){
+            if(header == START){
+              if(strncmp(buffer, "MA", 2) == 0) header = MAN;
+              else if(strcmp(buffer, "ST") == 0) header = ST;
+              else if(strcmp(buffer, "MX") == 0) header = MX;
+            }
+            
+            if(cursor < SSDP_BUFFER_SIZE - 1){ buffer[cursor++] = c; buffer[cursor] = '\0'; }
+          }
+          break;
+        case ABORT:
+          _pending = false; _delay = 0;
+          break;
+      }
+    }
+    
+    _server.flush();
+  }
+
+  if(_pending && (millis() - _process_time) > _delay){
+    _pending = false; _delay = 0;
+    send(NONE);
+  }else if(_notify_time == 0 || (millis() - _notify_time) > (SSDP_INTERVAL * 1000L)){
+    _notify_time = millis();
+    send(NOTIFY);
+  }
+}
+
+void SSDPClass::setName(char *name){
+  strcpy(_friendlyName, name);
+}
+
+void SSDPClass::setURL(char *url){
+  strcpy(_presentationURL, url);
+}
+
+void SSDPClass::setSerialNumber(char *serialNumber){
+  strcpy(_serialNumber, serialNumber);
+}
+
+void SSDPClass::setModelName(char *name){
+  strcpy(_modelName, name);
+}
+
+void SSDPClass::setModelNumber(uint8_t major, uint8_t minor){
+  _modelNumber->major = major;
+  _modelNumber->minor = minor;
+}
+
+void SSDPClass::setModelURL(char *url){
+  strcpy(_modelURL, url);
+}
+
+void SSDPClass::setManufacturer(char *name){
+  strcpy(_manufacturer, name);
+}
+
+void SSDPClass::setManufacturerURL(char *url){
+  strcpy(_manufacturerURL, url);
+}
+
+SSDPClass SSDP;