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git-svn-id: svn://elaine/murooma/trunk@10 d8a302eb-03bc-478d-80e4-98257eca68ef
This commit is contained in:
(no author) 2014-06-25 04:05:33 +00:00
parent 2e19145eda
commit 77bd2b44d7
1 changed files with 22 additions and 7 deletions
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29
client.cpp
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@ -10,12 +10,12 @@
#include <sstream>
#include <sys/time.h>
const size_t size(1024);
const size_t size(1764);
struct Chunk
{
long tv_sec;
long tv_usec;
int32_t tv_sec;
int32_t tv_usec;
char payload[size];
};
@ -33,6 +33,13 @@ std::string timeToStr(const timeval& timestamp)
}
int diff_ms(const timeval& t1, const timeval& t2)
{
return (((t1.tv_sec - t2.tv_sec) * 1000000) +
(t1.tv_usec - t2.tv_usec))/1000;
}
int main (int argc, char *argv[])
{
zmq::context_t context (1);
@ -48,25 +55,33 @@ int main (int argc, char *argv[])
// Process 100 updates
int update_nbr;
long total_temp = 0;
int i = 0;
while (1)
{
zmq::message_t update;
subscriber.recv(&update);
timeval now;
gettimeofday(&now, NULL);
// 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));
timeval ts;
ts.tv_sec = chunk->tv_sec;
ts.tv_usec = chunk->tv_usec;
if (i++ == 100)
{
std::cerr << diff_ms(now, ts) << "\n" << std::flush;//timeToStr(ts) << "\t" << chunk->tv_usec << "\n";
i = 0;
}
// std::cout << "update\n";
for (size_t n=0; n<size; ++n)
std::cout << chunk->payload[n] << std::flush;
// std::cerr << (chunk->timestamp).tv_sec << ":" << (chunk->timestamp).tv_usec << "\n";
timeval ts;
ts.tv_sec = chunk->tv_sec;
ts.tv_usec = chunk->tv_usec;
std::cerr << timeToStr(ts) << "\t" << chunk->tv_usec << "\n";
delete chunk;
// std::cout << std::flush;
// std::cerr << "flushed\n";