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Modelbahn/server/interface.cc

393 lines
7.8 KiB

#include "modelbahn.h"
#include "interface.h"
// **************************************************************************
// *
// * I N T E R F A C E (gateway to different devices)
// *
// **************************************************************************
Interface::Interface() {
name[0] = 0;
host[0] = 0;
flags = 0;
type = INTF_T_OFF_UNKNOWN;
needs_update = true;
};
Interface::~Interface() {
};
void Interface::Connect () {
debug (DEBUG_INFO | DEBUG_IFACE, "* Interface (%s) Connect to %s", name, host);
switch (type) {
case INTF_T_Z21: intz21.Connect(host); break;
default: break;
}
};
void Interface::Disconnect() {
debug (DEBUG_INFO | DEBUG_IFACE, "* Interface (%s) Disconnect", name);
switch (type) {
case INTF_T_Z21: intz21.Disconnect(); break;
default: break;
}
};
void Interface::PowerOnOff(int onoff) {
debug (DEBUG_INFO | DEBUG_IFACE, "* Interface (%s) PowerOnOff %d", name, onoff);
switch (type) {
case INTF_T_Z21: intz21.PowerOnOff(onoff); break;
default: break;
}
};
//
// Turnout
//
void Interface::SetTurnout(Turnout *t, int active, int motoractive) {
debug (DEBUG_INFO | DEBUG_IFACE, "* Interface (%s) SetTurnout Addr:%d FinalAcitve:%d Motor:%d", name,
t->addr, active, motoractive);
switch (type) {
case INTF_T_Z21: intz21.SetTurnout(t, active, motoractive); break;
default: break;
}
//
// make sure we turn the motor later off
if (motoractive) t->flags |= TURNOUT_F_ACTIVE;
else t->flags &= ~TURNOUT_F_ACTIVE;
gettimeofday (&t->activatetime, NULL);
};
//
// Locomotive
//
void Interface::SetLocoSpeed(Locomotive *l, int step) {
debug (DEBUG_INFO | DEBUG_IFACE, "* Interface (%s) SetLocoSpeed Addr:%d Speed:%d ", name, l->addr, step);
switch (type) {
case INTF_T_Z21: intz21.SetLocoSpeed(l, step); break;
default: break;
}
};
void Interface::SetLocoFunction(Locomotive *l, int func, int value) {
debug (DEBUG_INFO | DEBUG_IFACE, "* Interface (%s) SetLocoFunction Addr:%d Func:%d:%d", name, l->addr, func, value);
switch (type) {
case INTF_T_Z21: intz21.SetLocoFunction(l, func, value); break;
default: break;
}
};
int Interface::Loop() {
int ret = 0;
flags &= ~(INTF_F_CONNECTED | INTF_F_POWER | INTF_F_STOP | INTF_F_SHORT_CIRCUIT | INTF_F_PROGRAMMING);
if (needs_update) {
ret = 1;
needs_update = 0;
}
switch (type) {
case INTF_T_Z21:
ret = intz21.Loop(name);
if (intz21.IsConnected()) flags |= INTF_F_CONNECTED;
if (intz21.IsPoweron()) flags |= INTF_F_POWER;
if (intz21.IsEmergencyStop()) flags |= INTF_F_STOP;
if (intz21.IsSortCircuit()) flags |= INTF_F_SHORT_CIRCUIT;
break;
default: break;
}
// debug (DEBUG_INFO | DEBUG_IFACE, "%s:%d Interface: name:'%s' , Flags: %d", __FILE__, __LINE__, name, flags);
return ret;
};
bool Interface::IsConnected() {
bool ret = false;
switch (type) {
case INTF_T_Z21: ret = intz21.IsConnected(); break;
default: break;
}
return ret;
}
bool Interface::IsPoweron() {
bool ret = false;
switch (type) {
case 1: ret = intz21.IsPoweron(); break;
default: break;
}
return ret;
}
// **************************************************************************
// *
// * I N T E R F A C E S (gateway to all devices)
// *
// **************************************************************************
Interfaces::Interfaces () {
max = INTERFACES_MAX;
changed = 0;
};
Interfaces::~Interfaces() {
max = 0;
};
int Interfaces::LockThread() {
if (pthread_mutex_lock(&mtx) == 0) return 1;
else return 0;
}
int Interfaces::UnLockThread() {
if (pthread_mutex_unlock(&mtx) == 0) return 1;
else return 0;
}
JSONParse Interfaces::_GetJSON(int idx) {
JSONParse json;
JSONElement je;
string s = "";
json.Clear();
s = interfaces[idx].name; json.AddObject("name", s);
s = interfaces[idx].host; json.AddObject("host", s);
json.AddObject("flags", interfaces[idx].flags);
json.AddObject("type", interfaces[idx].type);
return json;
};
JSONParse Interfaces::GetJSON(string name) {
int i;
JSONParse jp;
jp.Clear();
LockThread();
for (i = 0; i < max; i++) if (interfaces[i].name[0] != 0) {
if (name.compare(interfaces[i].name) == 0) {
jp = _GetJSON(i);
}
}
UnLockThread();
return jp;
};
void Interfaces::GetJSONAll(JSONParse *json) {
int i, cnt;
JSONElement je;
LockThread();
//
// write all railway data
// create json object array manualy
je.type = JSON_T_ARRAY;
je.name = "interfaces";
for (cnt = 0, i = 0; i < max; i++)
if (interfaces[i].name[0] != 0) {
if (cnt != 0) je.value += ","; // not first element
je.value += _GetJSON(i).ToString();
cnt++;
}
json->AddObject(je);
UnLockThread();
};
Interface Interfaces::GetInterfaceFromJSON(JSONParse *j) {
Interface i;
string s;
i.name[0] = 0;
i.host[0] = 0;
j->GetValue("name", &s);
strncpy (i.name, s.c_str(), REFERENCENAME_LEN);
j->GetValue("host", &s);
strncpy (i.host, s.c_str(), REFERENCENAME_LEN);
j->GetValueInt("flags", &i.flags);
j->GetValueInt("type", &i.type);
return i;
};
int Interfaces::Change(Interface *iface) {
int i;
int ifree = -1;
LockThread();
for (i = 0; i < max; i++) {
if (interfaces[i].name[0] != 0) {
// found element
if (strncmp(interfaces[i].name, iface->name, REFERENCENAME_LEN) == 0) {
ifree = i;
break;
}
}
else if (ifree == -1) ifree = i;
}
// element not found add new element
if (ifree != -1 && ifree < max) {
strncpy (interfaces[ifree].name, iface->name, REFERENCENAME_LEN);
strncpy (interfaces[ifree].host, iface->host, REFERENCENAME_LEN);
interfaces[ifree].flags = iface->flags;
interfaces[ifree].type = iface->type;
interfaces[ifree].Connect();
}
changed = 1;
UnLockThread();
return 1;
};
int Interfaces::Delete(string name) {
int i;
LockThread();
for (i = 0; i < max; i++) if (interfaces[i].name[0] != 0) {
if (name.compare(interfaces[i].name) == 0) {
interfaces[i].Disconnect();
interfaces[i].name[0] = 0;
interfaces[i].host[0] = 0;
interfaces[i].flags = 0;
interfaces[i].type = INTF_T_OFF_UNKNOWN;
changed = 1;
break;
}
}
UnLockThread();
return 1;
};
void Interfaces::PowerOnOff(int onoff) {
int i;
LockThread();
for (i = 0; i < max; i++) if (interfaces[i].name[0] != 0) {
if (!interfaces[i].IsConnected()) interfaces[i].Connect();
interfaces[i].PowerOnOff(onoff);
}
UnLockThread();
};
//
// Turnouts
//
void Interfaces::SetTurnout(Turnout *t, int active, int motoractive) {
int i;
LockThread();
for (i = 0; i < max; i++) if (interfaces[i].name[0] != 0) {
if (!interfaces[i].IsConnected()) interfaces[i].Connect();
if (strncmp(t->ifname, interfaces[i].name, REFERENCENAME_LEN) == 0)
interfaces[i].SetTurnout(t, active, motoractive);
}
UnLockThread();
};
//
// Locomotives
//
void Interfaces::SetLocoSpeed(Locomotive *l, int speed) {
int i;
int step = 0;
if (abs(speed) < l->vmin) step = 0;
if (abs(speed) >= l->vmin) step = (speed * (l->steps-1)) / l->vmax;
if (abs(speed) > l->vmax) step = l->steps-1;
l->speed = speed;
LockThread();
for (i = 0; i < max; i++) if (interfaces[i].name[0] != 0) {
if (!interfaces[i].IsConnected()) interfaces[i].Connect();
if (strncmp(l->ifname, interfaces[i].name, REFERENCENAME_LEN) == 0)
interfaces[i].SetLocoSpeed(l, step);
}
UnLockThread();
};
void Interfaces::SetLocoFunction(Locomotive *l, int func, int value) {
int i;
LockThread();
for (i = 0; i < max; i++) if (interfaces[i].name[0] != 0) {
if (!interfaces[i].IsConnected()) interfaces[i].Connect();
if (strncmp(l->ifname, interfaces[i].name, REFERENCENAME_LEN) == 0)
interfaces[i].SetLocoFunction(l, func, value);
}
UnLockThread();
};
void Interfaces::Loop() {
int i;
JSONParse jout;
for (i = 0; i < max; i++) if (interfaces[i].name[0] != 0) {
if (interfaces[i].Loop()) {
//
// now we need to send an update
jout.Clear();
jout.AddObject ("interface", _GetJSON(i));
if (network) network->ChangeListPushToAll(jout.ToString());
}
}
};