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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <openssl/md5.h>
#include <unistd.h>
#include <iconv.h>
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <UDPTCPNetwork.h>
#include <math.h>
#include "fbsh.h"
/*
* implementation of the function atoi and atof but with additional check for NULL pointer
* atoi_check will return fallback value on error
* atof will return NAN
*/
double atof_check (char *s) {
if (s != NULL) return (atof(s));
return NAN;
}
int atoi_check (char *s, int failnumber) {
if (s != NULL) return (atoi(s));
return failnumber;
}
std::string generateMD5 (char* input, int size) {
int i;
MD5_CTX md5;
unsigned char out[MD5_DIGEST_LENGTH];
char txt[32];
std::string md5sum = "";
MD5_Init(&md5);
MD5_Update(&md5, input, size);
MD5_Final(out, &md5);
for ( i = 0; i < MD5_DIGEST_LENGTH; i++) {
snprintf (txt, 32, "%02x", out[i]);
md5sum += txt;
}
return md5sum;
}
FBSmartHome::FBSmartHome() {
hostname = "";
SID = "00 not yet set 00";
fsidfile = NULL;
}
FBSmartHome::~FBSmartHome() {
if (fsidfile != NULL) CloseSIDFile();
}
/*
* try to connect with the last known SID.
*/
int FBSmartHome::Connect(std::string host) {
int len;
xmlDocPtr xmldoc;
xmlNodePtr xmlnode;
hostname = host;
// is sid working?
len = tcp.WebGetFile(hostname+"/login_sid.lua?sid="+SID, inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return -1;
}
inbuffer[len] = '\0';
XMLPrepare(inbuffer, len, &xmldoc, &xmlnode);
//
// parse for SID and Challange
while (xmlnode) {
if ((!xmlStrcmp(xmlnode->name, (const xmlChar *)"SessionInfo"))){
xmlNodePtr xmlchild = xmlnode->xmlChildrenNode;
while (xmlchild) {
if ((!xmlStrcmp(xmlchild->name, (const xmlChar *)"SID")))
SID = (char *)xmlNodeListGetString(xmldoc, xmlchild->children, 1);
xmlchild = xmlchild->next;
}
}
xmlnode = xmlnode->next;
}
xmlFreeDoc(xmldoc);
if (SID.compare("0000000000000000") == 0) {
hostname = "";
errno = ENOTCONN;
return -1;
}
errno = 0;
return 0;
}
int FBSmartHome::XMLPrepare(char *buffer, int len, xmlDocPtr *xmldoc, xmlNodePtr *xmlnode) {
//
// read the xml data from memory and select root node.
if (xmldoc == NULL || xmlnode == NULL) return -1;
*xmldoc = xmlReadMemory(inbuffer, len, "hostname", NULL, 0);
if (xmldoc == NULL) {
fprintf (stderr, "%s: Could not read XML Document\n", __FUNCTION__);
errno = EAI_FAIL;
return -1;
}
*xmlnode = xmlDocGetRootElement(*xmldoc);
if (*xmlnode == NULL) {
fprintf (stderr, "%s: Empty XML Document\n", __FUNCTION__);
xmlFreeDoc(*xmldoc);
errno = EOF;
return -1;
}
return 0;
}
/*
* connect with username and password, if connect is successfull the
* SID will be returned.
*/
#define PWSSIZE 512
int FBSmartHome::Connect (std::string host, std::string username, std::string password) {
int len;
xmlDocPtr xmldoc;
xmlNodePtr xmlnode;
std::string challenge;
std::string formdata;
hostname = host;
SID = "";
tcp.Close();
//
// get challenge from FritzBox
len = tcp.WebGetFile(hostname+"/login_sid.lua", inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return -1;
}
inbuffer[len] = '\0';
XMLPrepare(inbuffer, len, &xmldoc, &xmlnode);
//
// parse for SID and Challange
while (xmlnode) {
if ((!xmlStrcmp(xmlnode->name, (const xmlChar *)"SessionInfo"))){
xmlNodePtr xmlchild = xmlnode->xmlChildrenNode;
while (xmlchild) {
if ((!xmlStrcmp(xmlchild->name, (const xmlChar *)"SID")))
SID = (char *)xmlNodeListGetString(xmldoc, xmlchild->children, 1);
else if ((!xmlStrcmp(xmlchild->name, (const xmlChar *)"Challenge")))
challenge = (char*) xmlNodeListGetString(xmldoc, xmlchild->children, 1);
xmlchild = xmlchild->next;
}
}
xmlnode = xmlnode->next;
}
xmlFreeDoc(xmldoc);
//
// create Challenge-PSW -> MD5 sum
//
//
// convert to UTF16_LE
std::string convertfrom = challenge+"-"+password;
char *conv_input = (char *)convertfrom.c_str();
size_t conv_inbytes = strlen (conv_input);
size_t conv_size;
char convertedpsw[PWSSIZE];
char *conv_output = (char*)convertedpsw;
size_t conv_outbytes = PWSSIZE;
iconv_t ic = iconv_open("UTF-16LE", "UTF-8");
if ((long int)ic == -1) {
fprintf (stderr, "iconv_open error: %s\n", strerror(errno));
return -1;
}
conv_size = iconv(ic, &conv_input, &conv_inbytes, (char**)&conv_output, &conv_outbytes);
if ((long int)conv_size == -1) {
fprintf (stderr, "iconv error: %s\n", strerror(errno));
return -1;
}
iconv_close(ic);
//
// create password
formdata = "response="+challenge+"-"+generateMD5(convertedpsw, conv_output-convertedpsw)+"&username="+username;
len = tcp.WebGetFile(hostname+"/login_sid.lua", inbuffer, FB_BUFFER, (char*)formdata.c_str());
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
errno = EAI_FAIL;
return -1;
}
inbuffer[len] = '\0';
//
// parse for SID and Challange
XMLPrepare(inbuffer, len, &xmldoc, &xmlnode);
while (xmlnode) {
if ((!xmlStrcmp(xmlnode->name, (const xmlChar *)"SessionInfo"))){
xmlNodePtr xmlchild = xmlnode->xmlChildrenNode;
while (xmlchild) {
if ((!xmlStrcmp(xmlchild->name, (const xmlChar *)"SID")))
SID = (char *)xmlNodeListGetString(xmldoc, xmlchild->children, 1);
else if ((!xmlStrcmp(xmlchild->name, (const xmlChar *)"Challenge")))
challenge = (char*) xmlNodeListGetString(xmldoc, xmlchild->children, 1);
xmlchild = xmlchild->next;
}
}
xmlnode = xmlnode->next;
}
xmlFreeDoc(xmldoc);
errno = 0;
return 0;
};
/*
* read sidfile, if it does not exist create file.
*/
#define BUFSIZE 1024
int FBSmartHome::UseSIDFile(std::string fn) {
char buffer[BUFSIZE];
int i;
if ((fsidfile = fopen (fn.c_str(), "r+")) == NULL) {
// file not found create file
if ((fsidfile = fopen (fn.c_str(), "w")) == NULL) {
fprintf (stderr, "error on writing sidfile '%s' : %s\n", fn.c_str(),
strerror(errno));
return -1;
}
}
else {
// sidfile found and open
fseek (fsidfile, 0, SEEK_SET);
if (fgets(buffer, BUFSIZE, fsidfile) != NULL) {
buffer[BUFSIZE] = '\0';
i = strlen (buffer);
if (i > 0 && buffer[i-1] == '\n') buffer[i-1] = '\0';
SID = buffer;
}
}
return 0;
}
/*
* if the sid file is open save current sid.
*/
int FBSmartHome::CloseSIDFile() {
if (fsidfile != NULL) {
fseek (fsidfile, 0, SEEK_SET);
fprintf (fsidfile, "%s", SID.c_str());
fclose(fsidfile);
fsidfile = NULL;
}
return 0;
}
int FBSmartHome::XMLReadAttr(FBSmartHomeDevice *dev, std::string objPrefix, xmlDocPtr xmldoc, xmlAttrPtr xmlattr) {
char *txt = NULL;
while (xmlattr) {
if (dev->others.length() > 0) dev->others += "\t";
txt = (char*) xmlNodeListGetString(xmldoc, xmlattr->children, 1);
if (txt != NULL)
dev->others += objPrefix + "." + (std::string)(char*) xmlattr->name + "=" + txt;
else
dev->others += (std::string)(char*) xmlattr->name + "=";
xmlattr = xmlattr->next;
}
return 0;
}
int FBSmartHome::XMLReadOBJ(FBSmartHomeDevice *dev, std::string objPrefix, xmlDocPtr xmldoc, xmlNodePtr xmlobj) {
std::string tmp = "";
char *txt = NULL;
while (xmlobj) {
if (dev->others.length() > 0) dev->others += "\t";
txt = (char*) xmlNodeListGetString(xmldoc, xmlobj->children, 1);
if (txt != NULL)
dev->others += objPrefix + "." + (std::string)(char*) xmlobj->name + "=" + txt;
else if (xmlobj->children) {
XMLReadAttr(dev, objPrefix+"."+(std::string)(char*)xmlobj->name, xmldoc, xmlobj->properties);
XMLReadOBJ(dev, objPrefix+"."+(std::string)(char*)xmlobj->name, xmldoc, xmlobj->children);
}
else
dev->others += (std::string)(char*) xmlobj->name + "=";
xmlobj = xmlobj->next;
}
return 0;
}
int FBSmartHome::XMLReadAndAddDevice(std::list<FBSmartHomeDevice> *devlist, std::string defType,
xmlDocPtr xmldoc, xmlNodePtr xmlnode) {
xmlAttrPtr xmlattr;
xmlNodePtr child;
std::string tmp = "";
char *txt = NULL;
FBSmartHomeDevice fbdev;
//
// reset all fields
fbdev.others = "";
fbdev.id = "";
fbdev.name = "";
fbdev.type = defType;
//
// read attributes
xmlattr = xmlnode->properties;
while (xmlattr) {
if (!xmlStrcmp(xmlattr->name, (const xmlChar *)"identifier"))
fbdev.id = (char *) xmlNodeListGetString(xmldoc, xmlattr->children, 1);
else {
txt = (char*) xmlNodeListGetString(xmldoc, xmlattr->children, 1);
if (txt != NULL) fbdev.others += (std::string)(char*) xmlattr->name + "=" + txt + "\t";
else fbdev.others += (std::string)(char*) xmlattr->name + "=\t";
}
xmlattr = xmlattr->next;
}
//
// read subelements
child = xmlnode->children;
while (child) {
if (!xmlStrcmp(child->name, (const xmlChar *)"name"))
fbdev.name = (char *) xmlNodeListGetString(xmldoc, child->children, 1);
else if (!xmlStrcmp(child->name, (const xmlChar *)"button")) {
fbdev.type = "button";
XMLReadAndAddDevice(devlist, "button", xmldoc, child);
}
else if (!xmlStrcmp(child->name, (const xmlChar *)"hkr")) {
fbdev.type = (char*)child->name;
XMLReadOBJ(&fbdev, "hkr" , xmldoc, child->children);
}
else {
txt = (char*) xmlNodeListGetString(xmldoc, child->children, 1);
if (txt != NULL) {
fbdev.others += (std::string)(char*) child->name + "=" + txt + "\t";
} else {
if (child->children) {
XMLReadAttr(&fbdev, (std::string)(char*)child->name, xmldoc, child->properties);
XMLReadOBJ(&fbdev, (std::string)(char*)child->name, xmldoc, child->children);
}
else {
fbdev.others += (std::string)(char*) child->name + "=\t";
}
}
}
child = child->next;
}
devlist->push_back(fbdev);
return 0;
}
/*
* retrieve the device list from the fritzbox
*/
std::list<FBSmartHomeDevice> *FBSmartHome::GetDevices() {
std::list<FBSmartHomeDevice> *devlist = NULL;
FBSmartHomeDevice smd;
xmlDocPtr xmldoc;
xmlNodePtr xmlnode;
int len;
devlist = new std::list<FBSmartHomeDevice>;
// retrieve data
len = tcp.WebGetFile(hostname+"/webservices/homeautoswitch.lua?sid="+SID+"&switchcmd=getdevicelistinfos", inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return NULL;
}
inbuffer[len] = '\0';
XMLPrepare(inbuffer, len, &xmldoc, &xmlnode);
//
// parse for SID and Challange
while (xmlnode) {
if ((!xmlStrcmp(xmlnode->name, (const xmlChar *)"devicelist"))){
xmlNodePtr xmlchild = xmlnode->xmlChildrenNode;
//
// read each device details
//
while (xmlchild) {
if (!xmlStrcmp(xmlchild->name, (const xmlChar *)"device"))
XMLReadAndAddDevice(devlist, "", xmldoc, xmlchild);
xmlchild = xmlchild->next;
}
}
xmlnode = xmlnode->next;
}
xmlFreeDoc(xmldoc);
if (SID.compare("0000000000000000") == 0) {
hostname = "";
errno = ENOTCONN;
return NULL;
}
return devlist;
}
/*
* read data from device and fill out FBSmartHomeHZR structure
*/
int FBSmartHome::GetHKR(std::string ain, FBSmartHomeHKR *hkr) {
std::string s;
FBSmartHomeDevice smd;
xmlDocPtr xmldoc;
xmlNodePtr xmlnode;
xmlAttrPtr xmlattr;
int len, i;
if (hkr == NULL) return -1;
for (s = "", i = 0; i < (int)ain.length(); i++) {
if (ain[i] == ' ') s += "%20";
else s += ain[i];
}
//
// read device info
//
//
// retrieve data
len = tcp.WebGetFile(hostname+"/webservices/homeautoswitch.lua?sid="+SID+"&switchcmd=getdeviceinfos&ain="+s, inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return -1;
}
inbuffer[len] = '\0';
XMLPrepare(inbuffer, len, &xmldoc, &xmlnode);
//
// parse for SID and Challange
while (xmlnode) {
if ((!xmlStrcmp(xmlnode->name, (const xmlChar *)"device"))){
xmlNodePtr xmlchild = xmlnode->xmlChildrenNode;
xmlattr = xmlnode->properties;
while (xmlattr) {
if (!xmlStrcmp(xmlattr->name, (const xmlChar *)"identifier"))
hkr->id = (char *) xmlNodeListGetString(xmldoc, xmlattr->children, 1);
xmlattr = xmlattr->next;
}
while (xmlchild) {
// name
if (!xmlStrcmp(xmlchild->name, (const xmlChar *)"name"))
hkr->name = (char *) xmlNodeListGetString(xmldoc, xmlchild->children, 1);
// temperatur
else if (!xmlStrcmp(xmlchild->name, (const xmlChar *)"temperature")) {
xmlNodePtr xmlc = xmlchild->children;
while(xmlc) {
if (!xmlStrcmp(xmlc->name, (const xmlChar *)"celsius")) {
hkr->temp = (atof_check((char *) xmlNodeListGetString(xmldoc, xmlc->children, 1))) / 10.0;
}
else if (!xmlStrcmp(xmlc->name, (const xmlChar *)"offset")) {
hkr->offset = atoi_check ((char *) xmlNodeListGetString(xmldoc, xmlc->children, 1), -999);
}
xmlc = xmlc->next;
}
}
// hkr
else if (!xmlStrcmp(xmlchild->name, (const xmlChar *)"hkr")) {
xmlNodePtr xmlc = xmlchild->children;
while(xmlc) {
if (!xmlStrcmp(xmlc->name, (const xmlChar *)"tist")) {
hkr->temp_cur = atof_check ((char *) xmlNodeListGetString(xmldoc, xmlc->children, 1));
hkr->temp_cur = hkr->temp_cur / 2.0;
}
else if (!xmlStrcmp(xmlc->name, (const xmlChar *)"tsoll")) {
hkr->temp_set = atof_check ((char *) xmlNodeListGetString(xmldoc, xmlc->children, 1));
hkr->temp_set = hkr->temp_set / 2.0;
}
else if (!xmlStrcmp(xmlc->name, (const xmlChar *)"absenk")) {
hkr->temp_l = atof_check ((char *) xmlNodeListGetString(xmldoc, xmlc->children, 1));
hkr->temp_l = hkr->temp_l / 2.0;
}
else if (!xmlStrcmp(xmlc->name, (const xmlChar *)"komfort")) {
hkr->temp_h = atof_check ((char *) xmlNodeListGetString(xmldoc, xmlc->children, 1));
hkr->temp_h = hkr->temp_h / 2.0;
}
xmlc = xmlc->next;
}
}
xmlchild = xmlchild->next;
}
}
xmlnode = xmlnode->next;
}
xmlFreeDoc(xmldoc);
//
//
//
// retrieve data
len = tcp.WebGetFile(hostname+"/webservices/homeautoswitch.lua?sid="+SID+"&switchcmd=getbasicdevicestats&ain="+s, inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return -1;
}
inbuffer[len] = '\0';
XMLPrepare(inbuffer, len, &xmldoc, &xmlnode);
//
// parse for SID and Challange
while (xmlnode) {
if ((!xmlStrcmp(xmlnode->name, (const xmlChar *)"devicestats"))){
xmlNodePtr xmlchild = xmlnode->xmlChildrenNode;
std::string txt;
float f;
char *t;
while (xmlchild) {
// temperatur
if (!xmlStrcmp(xmlchild->name, (const xmlChar *)"temperature")) {
xmlNodePtr xmlc = xmlchild->children;
int count = 0;
while(xmlc) {
if (!xmlStrcmp(xmlc->name, (const xmlChar *)"stats")) {
xmlattr = xmlc->properties;
while (xmlattr) {
if (!xmlStrcmp(xmlattr->name, (const xmlChar *)"count"))
count = atoi_check((char *) xmlNodeListGetString(xmldoc, xmlattr->children, 1), -999);
else if (!xmlStrcmp(xmlattr->name, (const xmlChar *)"grid"))
hkr-> statsgrid = atoi_check((char *) xmlNodeListGetString(xmldoc, xmlattr->children, 1), -999);
xmlattr = xmlattr->next;
}
txt = ((char *) xmlNodeListGetString(xmldoc, xmlc->children, 1));
hkr->stats.clear();
t = (char*)txt.c_str();
for (int i = 0; t != NULL && i < count; i++) {
if (*t == ',') t++;
f = atoi_check (t, 0);
hkr->stats.push_back(f);
t = strchr(t, ',');
}
}
xmlc = xmlc->next;
}
}
xmlchild = xmlchild->next;
}
}
xmlnode = xmlnode->next;
}
xmlFreeDoc(xmldoc);
return 0;
}
/*
* switch device off = 0, on = 1 or toggle = 2
*/
int FBSmartHome::SimpleOnOff(std::string ain, int oot) {
std::string s;
int i, len;
if (ain.length() <= 0) return -1;
for (s = "", i = 0; i < (int)ain.length(); i++) {
if (ain[i] == ' ') s += "%20";
else s += ain[i];
}
//
// send switch on / off
len = tcp.WebGetFile(hostname+"/webservices/homeautoswitch.lua?sid="+SID+"&switchcmd=setsimpleonoff&ain="+s+"&onoff="+to_string(oot), inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return -1;
}
inbuffer[len] = '\0';
return 0;
}
/*
* set device level 0...255 (0-100%)
*/
int FBSmartHome::SetLevel(std::string ain, int level) {
std::string s;
int i, len;
if (ain.length() <= 0) return -1;
for (s = "", i = 0; i < (int)ain.length(); i++) {
if (ain[i] == ' ') s += "%20";
else s += ain[i];
}
//
// send switch on / off
len = tcp.WebGetFile(hostname+"/webservices/homeautoswitch.lua?sid="+SID+"&switchcmd=setlevel&ain="+s+"&level="+to_string(level), inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return -1;
}
inbuffer[len] = '\0';
return 0;
}
std::list<FBSmartHomeLightDefaults> *FBSmartHome::GetColorDefaults (std::string ain) {
std::list<FBSmartHomeLightDefaults> *lst = new std::list<FBSmartHomeLightDefaults>;
std::string cmd;
std::string s;
int i, len;
xmlDocPtr xmldoc;
xmlNodePtr xmlnode;
xmlAttrPtr xmlattr;
//
// convert space char to %20 to be used in URLs
//
if (ain.length() <= 0) return lst;
for (s = "", i = 0; i < (int)ain.length(); i++) {
if (ain[i] == ' ') s += "%20";
else s += ain[i];
}
cmd = hostname+"/webservices/homeautoswitch.lua?sid="+SID+"&switchcmd=getcolordefaults&ain="+s;
//
// send switch on / off
len = tcp.WebGetFile(cmd, inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return lst;
}
inbuffer[len] = '\0';
//
// convert inbuffer to list of values
//
XMLPrepare(inbuffer, len, &xmldoc, &xmlnode);
//
// parse for SID and Challange
while (xmlnode) {
if ((!xmlStrcmp(xmlnode->name, (const xmlChar *)"colordefaults"))){
xmlNodePtr xmlchild = xmlnode->xmlChildrenNode;
std::string txt;
while (xmlchild) {
// hsdefaults
if (!xmlStrcmp(xmlchild->name, (const xmlChar *)"hsdefaults")) {
xmlNodePtr xmlhs = xmlchild->children;
while(xmlhs) {
if (!xmlStrcmp(xmlhs->name, (const xmlChar *)"hs")) {
xmlNodePtr xmlc = xmlhs->children;
while (xmlc) {
if (!xmlStrcmp(xmlc->name, (const xmlChar *)"color")) {
xmlattr = xmlc->properties;
FBSmartHomeLightDefaults def = { -1, -1, -1 };
while (xmlattr) {
if (!xmlStrcmp(xmlattr->name, (const xmlChar *)"hue"))
def.hue = atoi_check((char *) xmlNodeListGetString(xmldoc, xmlattr->children, 1), 0);
else if (!xmlStrcmp(xmlattr->name, (const xmlChar *)"sat"))
def.sat = atoi_check((char *) xmlNodeListGetString(xmldoc, xmlattr->children, 1), 0);
else if (!xmlStrcmp(xmlattr->name, (const xmlChar *)"val"))
def.val = atoi_check((char *) xmlNodeListGetString(xmldoc, xmlattr->children, 1), 0);
xmlattr = xmlattr->next;
}
if (def.hue != -1) lst->push_back(def);
}
xmlc = xmlc->next;
}
}
xmlhs = xmlhs->next;
}
}
xmlchild = xmlchild->next;
}
}
xmlnode = xmlnode->next;
}
return lst;
}
/*
*
*/
int FBSmartHome::SetColor(std::string ain, int hue, int sat, int duration) {
std::list<FBSmartHomeLightDefaults> *defcolors = NULL;
std::list<FBSmartHomeLightDefaults>::iterator iter;
std::string s;
std::string cmd;
int i, len;
float delta;
struct {
float delta;
int hue;
int sat;
int val;
} selected_color;
//
// convert space char to %20 to be used in URLs
//
if (ain.length() <= 0) return -1;
for (s = "", i = 0; i < (int)ain.length(); i++) {
if (ain[i] == ' ') s += "%20";
else s += ain[i];
}
//
// need to read defaults and round up to the next closest parameters
//
defcolors = GetColorDefaults(ain);
iter = defcolors->begin();
if (iter != defcolors->end()) {
selected_color.hue = iter->hue;
selected_color.sat = iter->sat;
selected_color.val = iter->val;
selected_color.delta = (iter->hue - hue) * (iter->hue - hue)
+ (iter->sat - sat) * (iter->hue - sat);
for (iter++; iter != defcolors->end(); iter++) {
delta = (iter->hue - hue) * (iter->hue - hue)
+ (iter->sat - sat) * (iter->hue - sat);
if (delta < selected_color.delta) {
selected_color.hue = iter->hue;
selected_color.sat = iter->sat;
selected_color.val = iter->val;
selected_color.delta = delta;
}
}
cmd = hostname+"/webservices/homeautoswitch.lua?sid="+SID+"&switchcmd=setcolor&ain="+s;
cmd += "&hue="+to_string(selected_color.hue)+"&saturation="+to_string(selected_color.sat)+"&duration="+to_string(duration);
printf ("%s:%d SetColor ain:'%s' hue,sat %d,%d selected hue,sat: %d,%d duration:%d\n", __FILE__, __LINE__, ain.c_str(),
hue, sat, selected_color.hue, selected_color.sat, duration);
//
// send switch on / off
len = tcp.WebGetFile(cmd, inbuffer, FB_BUFFER, NULL);
if (len > FB_BUFFER) len = FB_BUFFER;
else if (len < 0) {
fprintf (stderr, "%s:%d Error getting challenge from Fritzbox\n", __FILE__, __LINE__);
errno = EAI_FAIL;
return -1;
}
inbuffer[len] = '\0';
}
return 0;
}