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Work on queue..

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queue
marcelb 1 year ago
parent 9217ce91c4
commit b0cfca949e
8 changed files with 276 additions and 38 deletions
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  1. 3
      .vscode/settings.json
  2. 26
      lib/tcp_socket.hpp
  3. 168
      src/tcp_socket.cpp
  4. 95
      test/client.cpp
  5. BIN
      test/client.o
  6. 2
      test/compile-server.sh
  7. 20
      test/server.cpp
  8. BIN
      test/server.o

3
.vscode/settings.json vendored
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@ -45,6 +45,7 @@
"streambuf": "cpp",
"cinttypes": "cpp",
"typeinfo": "cpp",
"thread": "cpp"
"thread": "cpp",
"chrono": "cpp"
}
}

26
lib/tcp_socket.hpp
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@ -4,6 +4,7 @@
#include <iostream>
#include <string>
#include <vector>
#include <deque>
#include <thread>
#include <mutex>
#include <string.h>
@ -102,4 +103,29 @@ class client {
string pull (size_t byte_limit = 1024);
};
class queue { // FIFO
public:
mutex io;
uint limit;
string address;
ushort port;
uint timeout;
server *srv = NULL;
SSL_CTX* securefds = NULL;
deque<client*> clients;
thread controller;
queue (const uint _limit, const string _address, const ushort _port, const uint _timeout = 100, SSL_CTX* _securefds = NULL);
queue (const uint _limit, server *_srv, const uint _timeout = 100, SSL_CTX* _securefds = NULL);
~queue();
void enqueue();
client dequeue();
};
#endif

168
src/tcp_socket.cpp
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@ -258,9 +258,6 @@ client::client(const server *_srv, const uint timeout, SSL_CTX* securefds) {
}
#endif
if (securefds) {
ssl = SSL_new(securefds);
if (!ssl) {
@ -356,3 +353,168 @@ string client::pull (size_t byte_limit) {
queue::queue (const uint _limit, const string _address, const ushort _port, const uint _timeout, SSL_CTX* _securefds) {
if (_limit > 1) {
limit = _limit;
}
else {
throw string("[ERROR] Limit out of range ");
}
address = _address;
port = _port;
timeout = _timeout;
securefds = _securefds;
// for (uint i=0; i<limit; i++) {
// if (address.empty() && srv != NULL) {
// clients.push_back(new client(srv, timeout, securefds));
// }
// else {
// clients.push_back(new client(address, port, timeout, securefds));
// }
// }
// controller = thread([&](){
// cout << "Upao u tred "<< endl;
// while(true) {
// // io.lock();
// // uint missing = limit-clients.size();
// // cout << "nedostaje " << missing << endl;
// // if (missing > 0.6*limit) {
// // enqueue();
// if (clients.size() <= 1) {
// if (address.empty() && srv != NULL) {
// clients.push_back(new client(srv, timeout, securefds));
// }
// else {
// clients.push_back(new client(address, port, timeout, securefds));
// }
// }
// // }
// // usleep(missing*100000);
// // io.unlock();
// // usleep(1000);
// sleep(1);
// }
// });
}
queue::queue (const uint _limit, server *_srv, const uint _timeout, SSL_CTX* _securefds) {
if (_limit > 1) {
limit = _limit;
}
else {
throw string("[ERROR] Limit out of range ");
}
srv = _srv;
timeout = _timeout;
securefds = _securefds;
controller = thread([this](){
cout << "Upao u tred "<< endl;
while(true) {
io.lock();
// uint missing = limit-clients.size();
// cout << "nedostaje " << missing << endl;
// if (missing > 0.6*limit) {
// enqueue();
if (clients.size()< limit) {
if (address.empty() && srv != NULL) {
clients.push_back(new client(srv, timeout, securefds));
}
else {
clients.push_back(new client(address, port, timeout, securefds));
}
}
// }
// usleep(missing*100000);
io.unlock();
// usleep(1000);
}
});
}
void queue::enqueue () {
vector<thread> worker;
lock_guard<mutex> master(io);
for (uint i=0; i<limit-clients.size(); i++) {
cout << "idemo dodati klijente " << endl;
worker.push_back(thread([&](){
if (address.empty() && srv != NULL) {
clients.push_back(new client(srv, timeout, securefds));
}
else {
cout << "dodajem " << i << endl;
clients.push_back(new client(address, port, timeout, securefds));
}
}));
}
for (uint i=0; i<worker.size(); i++) {
cout << "čekam da se dodaju " << endl;
worker[i].join();
}
cout << "dodali su se " << endl;
worker.clear();
}
client queue::dequeue() {
cout << "uzimam jednog iz stacka " << endl;
lock_guard<mutex> master(io);
client *cli;
while (true) {
if (clients.size() >= 1) {
cli = clients.front();
clients.pop_front();
cout << "uzimam jednog iz stacka uzeo sam " << endl;
return *cli;
}
else if (clients.size() == 1) {
controller = thread([&](){
cout << "Upao u tred "<< endl;
while(true) {
// io.lock();
// uint missing = limit-clients.size();
// cout << "nedostaje " << missing << endl;
// if (missing > 0.6*limit) {
// enqueue();
if (clients.size() <= 1) {
if (address.empty() && srv != NULL) {
clients.push_back(new client(srv, timeout, securefds));
}
else {
clients.push_back(new client(address, port, timeout, securefds));
}
}
// }
// usleep(missing*100000);
// io.unlock();
// usleep(1000);
sleep(1);
}
});
}
usleep(1000);
}
}
queue::~queue () {
for (uint i=0; i<clients.size(); i++) {
clients[i]->~client();
}
clients.clear();
}

95
test/client.cpp
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@ -1,44 +1,93 @@
#include <iostream>
#include <string>
#include <chrono>
#include "../lib/tcp_socket.hpp"
using namespace std;
using namespace chrono;
int main() {
try {
cout << "inicijalizacija reda" << endl;
// queue sockets(2, "127.0.0.1", 5000, 500);
uint n = 10000;
vector<thread> thr;
for (uint i=0; i<n; i++) {
thr.push_back(thread([](uint a){
client myserver("127.0.0.1", 5000, 500);
string sends = "Hello world " + to_string(a);
myserver.push(sends);
cout << myserver.pull() << endl;
}, i));
}
// thread t1([&]() {
// cout << "korištenje prvog klijenta" << endl;
// int a = 0;
// while(true) {
// try {
// auto start = high_resolution_clock::now();
// client myserver = sockets.dequeue();
// auto stop = high_resolution_clock::now();
// auto duration = duration_cast<microseconds>(stop - start);
// cout << "Time taken by function: " << duration.count() << " microseconds" << endl;
// string sends = "Socket I " + to_string(a++);
// myserver.push(sends);
// cout << myserver.pull() << endl;
// } catch (const string err) {
// cout << err << endl;
// }
// // usleep(100000);
// }
// });
for (uint i=0; i<n; i++) {
thr[i].join();
}
// // usleep(20000);
// secure crypto;
// cout << "init cert " << endl;
// thread t2([&]() {
// cout << "korištenje drugog klijenta" << endl;
// int a = 0;
// while(true) {
// try {
// auto start = high_resolution_clock::now();
// client myserver = sockets.dequeue();
// auto stop = high_resolution_clock::now();
// auto duration = duration_cast<microseconds>(stop - start);
// cout << "Time taken by function: " << duration.count() << " microseconds" << endl;
// string sends = "Socket II " + to_string(a++);
// myserver.push(sends);
// cout << myserver.pull() << endl;
// client myserver("127.0.0.1", 5000, 5000, crypto.fds);
client myserver("localhost", 8000, 5000, crypto.fds);
// client myserver("localhost", 5000);
// cout << "init client " << endl;
// } catch (const string err) {
// cout << err << endl;
// }
// // usleep(100000);
// }
// });
// t1.join();
// t2.join();
// string sends = "Hello world!";
// cout << myserver.push(sends) << " " << sends.length() << endl;
// cout << "wait client " << endl;
// int a = 0;
// auto start = high_resolution_clock::now();
// client myserver ("127.0.0.1", 5000, 500);
// // auto stop = high_resolution_clock::now();
// // auto duration = duration_cast<microseconds>(stop - start);
// // cout << "Time taken by function: " << duration.count() << " microseconds" << endl;
// string sends = "Socket II " + to_string(a++);
// myserver.push(sends);
// cout << myserver.pull() << endl;
// auto stop = high_resolution_clock::now();
// auto duration = duration_cast<microseconds>(stop - start);
// cout << "Time taken by function: " << duration.count() << " microseconds" << endl;
vector<client*> clis;
for (uint i =0 ; i<5; i++) {
clis.push_back(new client("127.0.0.1", 5000, 500));
}
// cout << myserver.pull();
cout << "Dodalo je đubre "<< endl;
sleep(5);
string sends = "Socket I ";
clis[1]->push(sends);
cout << clis[1]->pull() << endl;
sends = "Socket III ";
clis[3]->push(sends);
cout << clis[3]->pull() << endl;
}
catch (const string err) {

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test/client.o
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2
test/compile-server.sh
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@ -1 +1 @@
g++ server.cpp ../src/* -o server.o -lssl -lcrypto
g++ server.cpp ../src/* -o server.o -lssl -lcrypto -lpthread

20
test/server.cpp
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@ -10,10 +10,10 @@ int main() {
// secure crypto ("../example/cert.pem", "../example/privkey.pem");
// cout << "init server " << endl;
// server myserver(5000, 100, crypto.fds);
cout << "init cert " << endl;
secure crypto ("../example/cert.pem", "../example/privkey.pem");
cout << "init server " << endl;
server myserver(8000, 100, crypto.fds);
// cout << "init cert " << endl;
// secure crypto ("../example/cert.pem", "../example/privkey.pem");
// cout << "init server " << endl;
// server myserver(8000, 100, crypto.fds);
// cout << "init client " << endl;
@ -29,12 +29,12 @@ int main() {
// // usleep(600*1000);
// sleep(5);
// myserver.cli->push(fromclient);
string fromclient = myserver.cli->pull();
// string fromclient = myserver.cli->pull();
// string fromclient = myclient.pull();
cout << "tell client " << fromclient << endl;
// cout << "tell client " << fromclient << endl;
// usleep(600*1000);
//sleep(5);
myserver.cli->push(fromclient);
// myserver.cli->push(fromclient);
// myclient.push(fromclient);
// myclient.~comming();
@ -54,12 +54,12 @@ int main() {
myserver.async(8, [](client &cli, mutex &io) {
cout << "Klijent " << cli.ipv4 << endl;
string fromclient = cli.pull();
io.lock();
// io.lock();
cout << "S klijenta " << fromclient << endl;
io.unlock();
// io.unlock();
// fromclient += teststr;
cli.push(fromclient);
}, 200);
}, 0);
// string teststr = " Idemooo";

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test/server.o
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