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Pool class

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This commit is contained in:
marcelb 2023-09-25 20:43:22 +02:00
parent d7dc97cc30
commit c5f051b782
5 changed files with 132 additions and 11 deletions
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4
.vscode/settings.json vendored
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@ -3,6 +3,8 @@
"string": "cpp",
"vector": "cpp",
"deque": "cpp",
"ostream": "cpp"
"ostream": "cpp",
"iostream": "cpp",
"ratio": "cpp"
}
}

11
lib/mysql.hpp
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@ -73,4 +73,15 @@ class mySQL {
};
class mySQLPool {
public:
uint numOfCon = 1;
vector<mySQL*> drops;
vector<bool> dropsdown; // true is used
mySQLPool(const uint _numOfCon, const string _path, const string _username, const string _password, const string _db);
void exec(sqlQA &sql_qa);
};
#endif

36
src/mysql.cpp
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@ -117,6 +117,8 @@ bool mySQL::connect() {
uint trys = 0;
bool status = true;
cout << "-----------Jebiga connect " << endl;
while (trys < CONNECT_TRY_LIMIT && status) {
try {
drv = get_mysql_driver_instance();
@ -161,6 +163,7 @@ bool mySQL::disconnect() {
void mySQL::exec(sqlQA &sql_qa) {
if (!isPersistent || !con->isValid() || con->isClosed()) {
cout << "--------Đubre nije spojeno!!" << con->isValid() << con->isClosed() << endl;
if (connect()) {
throw string("[ERROR] Unable to connect database ");
}
@ -223,6 +226,7 @@ void mySQL::exec(sqlQA &sql_qa) {
/**/
if (!isPersistent) {
cout << "---------Gasi!" << endl;
if(disconnect()) {
throw string("[ERROR] Unable to close database ");
}
@ -249,3 +253,35 @@ mySQL::~mySQL() {
throw string("[ERROR] Unable to close database ");
}
}
mySQLPool::mySQLPool(const uint _numOfCon, const string _path, const string _username, const string _password, const string _db) {
if (_numOfCon > 0) {
numOfCon = _numOfCon;
} else {
throw string("[ERROR] The number of MySQL connections must be greater than zero ");
}
drops.resize(numOfCon);
dropsdown.resize(numOfCon);
for (uint i=0; i<numOfCon; i++) {
drops[i] = new mySQL(_path, _username, _password, _db, true);
// dropsdown.push_back(new mutex());
dropsdown[i] = false;
}
}
void mySQLPool::exec(sqlQA &sql_qa) {
for (uint i=0; i<drops.size(); i++) {
if (!dropsdown[i]) {
cout << "--------Run dorp "<< i << endl;
dropsdown[i] = true;
usleep(10000);
drops[i]->exec(sql_qa);
dropsdown[i] = false;
break;
}
}
}

92
test/test.cpp
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@ -1,4 +1,5 @@
#include <iostream>
#include <thread>
#include "../lib/mysql.hpp"
@ -6,14 +7,23 @@ using namespace std;
int main() {
mySQL mydb("tcp://192.168.2.10:3306", "dinio", "H€r5elfInd1aH@nds", "dinio", true);
// mySQL mydb("tcp://192.168.2.10:3306", "dinio", "H€r5elfInd1aH@nds", "dinio", true);
try {
sqlQA test_qa;
// id,user_id,zone_id,domain,record_type,auth_key,last_update,enabled
// test_qa.select().from("records").where("enabled = 0").limit(2);
// mydb.exec(test_qa);
mySQLPool bazenbaze(5, "tcp://192.168.2.10:3306", "dinio", "H€r5elfInd1aH@nds", "dinio");
// sqlQA test_qa;
// // id,user_id,zone_id,domain,record_type,auth_key,last_update,enabled
// test_qa.select().from("users");
// // mydb.exec(test_qa);
// bazenbaze.exec(test_qa);
// sqlQA test_qa2;
// // id,user_id,zone_id,domain,record_type,auth_key,last_update,enabled
// test_qa2.select().from("records").where("enabled = 1");
// // mydb.exec(test_qa2);
// bazenbaze.exec(test_qa2);
// for (auto i : test_qa.result) {
// for (auto j: i.second) {
@ -21,6 +31,68 @@ int main() {
// }
// }
// for (auto i : test_qa2.result) {
// for (auto j: i.second) {
// cout << i.first << " : " << j << endl;
// }
// }
// sleep(600);
thread t1([&](){
sqlQA test_qa;
// id,user_id,zone_id,domain,record_type,auth_key,last_update,enabled
test_qa.select().from("users");
// mydb.exec(test_qa);
bazenbaze.exec(test_qa);
for (auto i : test_qa.result) {
for (auto j: i.second) {
cout << i.first << " : " << j << endl;
}
}
});
thread t2([&](){
sqlQA test_qa2;
// id,user_id,zone_id,domain,record_type,auth_key,last_update,enabled
test_qa2.select().from("records").where("enabled = 1");
// mydb.exec(test_qa2);
bazenbaze.exec(test_qa2);
for (auto i : test_qa2.result) {
for (auto j: i.second) {
cout << i.first << " : " << j << endl;
}
}
});
thread t3([&](){
sqlQA test_qa3;
// id,user_id,zone_id,domain,record_type,auth_key,last_update,enabled
test_qa3.select().from("zones").where("enabled = 1");
// mydb.exec(test_qa3);
bazenbaze.exec(test_qa3);
for (auto i : test_qa3.result) {
for (auto j: i.second) {
cout << i.first << " : " << j << endl;
}
}
});
t1.join();
t2.join();
t3.join();
// sleep(600);
// test_qa.update("records").set("enabled = 1").where("domain = 'bitelex.test'");
// mydb.exec(test_qa);
@ -32,11 +104,11 @@ int main() {
// test_qa.insertInTo("records", "id,user_id,zone_id,domain,record_type,auth_key,last_update,enabled").values("'5',2,2,'www.bitelex.test','AAAA','jebiga',NULL,1");
test_qa.deleteFrom("records").where("record_type = AAAA");
// test_qa.update("records").set("enabled = 0").where("record_type = 'AAAA'");
cout << test_qa.cmd << endl;
mydb.exec(test_qa);
cout << "Num rows " << test_qa.num_rows << " num columns " << test_qa.num_columns << " catch " << test_qa.updateCatch << " executed " << test_qa.executed << endl;
// test_qa.deleteFrom("records").where("record_type = AAAA");
// // test_qa.update("records").set("enabled = 0").where("record_type = 'AAAA'");
// cout << test_qa.cmd << endl;
// mydb.exec(test_qa);
// cout << "Num rows " << test_qa.num_rows << " num columns " << test_qa.num_columns << " catch " << test_qa.updateCatch << " executed " << test_qa.executed << endl;

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test/test.o
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