void Picturecontrol::sendFilename(int cid, int myId, int pid, Net &net, Client &client)
{
// boundary checks for from and to already done in net.cpp
// pid is checked against piclen but not against files
if (pid > -1 && pid < (int) files.size()) {
*out << VERBOSE_QUIET << "sending filename...\n";
Unit unit;
unit.picfetch.flag = UNIT_PICFETCH;
unit.picfetch.from = myId;
unit.picfetch.to = cid;
unit.picfetch.pid = pid;
// don't get rid of path cos when client requests file I need to know where it is!
/*std::string name;
size_t found = files[pid].find_last_of('/');
if (found != std::string::npos) name = files[pid].substr(found+1);
else name = files[pid];*/
if (files[pid].size() > MAX_FILENAME_SIZE - 1) {
*out << VERBOSE_LOUD << "Filename too long: " << files[pid] << '\n';
}else{
std::strncpy(unit.picfetch.filename, files[pid].c_str(), MAX_FILENAME_SIZE);
net.addUnit(unit, client);
}
}else{
*out << VERBOSE_LOUD << "Error, pid out of range for files.size: " << (int) files.size() << '\n';
}
}
void Picturecontrol::fetch(int myId, Net &net, Client &client)
{
// deal with fetching
Unit unit;
for (int c = 0; c < MAX_CLIENTS; c++) {
for (int i = 0; i < piclen[c]; i++) {
// if not active then fetch them
if (!pic[c][i].getActive() && !pic[c][i].getRequested()) {
pic[c][i].setRequested(true);
unit.picfetch.flag = UNIT_PICFETCH;
unit.picfetch.from = myId;
unit.picfetch.to = c;
unit.picfetch.pid = i;
unit.picfetch.filename[0] = '\0';
net.addUnit(unit, client);
*out << VERBOSE_QUIET << "Requesting picture: " << unit.picfetch.pid << '\n';
}
}
}
}
void Picturecontrol::load(int myId, Net &net, Client &client)
// if we are given a path, then load and transmit which pics are active
// if path is an empty string then we expect either pictures aren't being used or we're receving them
{
if (readPath != "") {
*out << VERBOSE_LOUD << "Loading pics...\n";
files = dir.getPics(readPath);
// error checks done in allocate, but left to segfault below!
// (error messages from allocate() should help track down problem!)
allocate(myId, files.size()); // this also calls incrementLoaded
for (int i = 0; i < piclen[myId]; i++) {
pic[myId][i].load(readPath+files[i]);
pic[myId][i].setActive(true);
}
*out << VERBOSE_LOUD << "Loaded\n";
// tell server number of pics
Unit unit;
unit.picalloc.flag = UNIT_PICALLOC;
unit.picalloc.id = myId;
unit.picalloc.total = piclen[myId];
net.addUnit(unit, client);
// set to plausible picnum and transmit picselect,
// note that client who has pictures may not be client 0
if (picnum > piclen[clientnum] - 1) {
bool found = false;
for (int c = clientnum + 1; c < MAX_CLIENTS; c++) {
if (piclen[c] > 0) {
clientnum = c;
found = true;
break;
}
}
if (!found) {
for (int c = 0; c < clientnum; c++) {
if (piclen[c] > 0) {
clientnum = c;
found = true;
break;
}
}
}
if (!found) *out << VERBOSE_LOUD << "Error: not found any plausible clientnum in Picturecontrol::load()\n";
picnum = 0;
}
// transmit picnum
unit.picselect.flag = UNIT_PICSELECT;
unit.picselect.clientnum = clientnum;
unit.picselect.picnum = picnum;
unit.picselect.direction = 1;
net.addUnit(unit, client);
// this transmission will bounce back and setPicnum will be called to set up positions
//setPicnum(clientnum, picnum); // sets up positions
*out << VERBOSE_LOUD << "Picselect clientnum: " << unit.picselect.clientnum << ", picnum: " << unit.picselect.picnum
<< ", direction: " << unit.picselect.direction << '\n';
}
}
