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git-svn-id: svn://elaine/murooma/trunk@14 d8a302eb-03bc-478d-80e4-98257eca68ef
This commit is contained in:
(no author) 2014-06-26 15:53:34 +00:00
parent 6ff3dc4980
commit e876455033
2 changed files with 47 additions and 41 deletions
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82
client.cpp
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@ -12,8 +12,11 @@
#include <deque>
#include <vector>
#include <algorithm>
#include <thread>
#include <mutex>
const size_t size(1764);
//44100 / 20 = 2205
const size_t size(4*2205);
struct Chunk
{
@ -24,7 +27,9 @@ struct Chunk
std::deque<Chunk*> chunks;
std::deque<int> timeDiffs;
std::mutex mtx;
std::mutex mutex;
std::condition_variable cv;
std::string timeToStr(const timeval& timestamp)
{
@ -51,40 +56,59 @@ int getAge(const Chunk& chunk)
timeval now;
gettimeofday(&now, NULL);
timeval ts;
ts.tv_sec = chunks.front()->tv_sec;
ts.tv_usec = chunks.front()->tv_usec;
ts.tv_sec = chunk.tv_sec;
ts.tv_usec = chunk.tv_usec;
return diff_ms(now, ts);
}
void player()
{
std::unique_lock<std::mutex> lck(mtx);
bool playing = true;
while (1)
{
if (chunks.empty())
cv.wait(lck);
mutex.lock();
Chunk* chunk = chunks.front();
chunks.pop_front();
mutex.unlock();
// playing = playing || (getAge(*chunks.front()) > 200);
std::cerr << "Chunk: " << getAge(*chunk) << "\n";
if (playing)
{
for (size_t n=0; n<size; ++n)
{
std::cout << chunk->payload[n] << std::flush;
// if (size % 100 == 0)
// std::cout << std::flush;
}
}
delete chunk;
}
}
int main (int argc, char *argv[])
{
zmq::context_t context (1);
// Socket to talk to server
// std::cout << "Collecting updates from weather server…\n" << std::endl;
zmq::socket_t subscriber (context, ZMQ_SUB);
subscriber.connect("tcp://192.168.0.2:123458");
// Subscribe to zipcode, default is NYC, 10001
const char* filter = "";
subscriber.setsockopt(ZMQ_SUBSCRIBE, filter, strlen(filter));
std::thread playerThread(player);
// Process 100 updates
int update_nbr;
long total_temp = 0;
int i = 0;
bool playing = false;
while (1)
{
zmq::message_t update;
subscriber.recv(&update);
// std::cerr << "received\n";
// std::istringstream iss(static_cast<char*>(update.data()));
// iss >> zipcode >> relhumidity;
Chunk* chunk = new Chunk();
memcpy(chunk, update.data(), sizeof(Chunk));
/* timeDiffs.push_back(diff_ms(now, ts));
if (timeDiffs.size() > 100)
timeDiffs.pop_front();
@ -93,28 +117,10 @@ int main (int argc, char *argv[])
std::cerr << "Median: " << v[v.size()/2] << "\n";
*/
/* if (false && (i++ == 100))
{
std::cerr << diff_ms(now, ts) << "\n" << std::flush;//timeToStr(ts) << "\t" << chunk->tv_usec << "\n";
i = 0;
}
*/
// std::cout << "update\n";
mutex.lock();
chunks.push_back(chunk);
playing = playing || (getAge(*chunks.front()) > 200);
if (playing)
{
// std::cerr << "Chunk: " << getAge(*chunks.front()) << "\n";
for (size_t n=0; n<size; ++n)
std::cout << chunks.front()->payload[n] << std::flush;
chunks.pop_front();
}
// std::cerr << (chunk->timestamp).tv_sec << ":" << (chunk->timestamp).tv_usec << "\n";
// delete chunk;
// std::cout << std::flush;
// std::cerr << "flushed\n";
mutex.unlock();
cv.notify_all();
}
return 0;
}