Hack for non-guaranteed send and recv functions

.vscode/tasks.json

@@ -6,11 +6,11 @@
             "command": "/usr/bin/g++",
             "args": [
                 "-g",
-                "${fileDirname}/client.cpp",
+                "${fileDirname}/server.cpp",
                 "${fileDirname}/../src/*.cpp",
                 // "${fileDirname}../include/*/src/*.cpp",
                 "-o",
-                "${fileDirname}/client.o",
+                "${fileDirname}/server.o",
                 "-lssl",
                 "-lcrypto"
             ],

src/tcp_socket.cpp

@@ -324,15 +324,28 @@ client::~client () {
 */
 
 
-bool client::push (const string msg) {
+bool client::push(const string msg) {
-    size_t sended = 0;
+    size_t total_sent = 0;
-    if (ssl) {
+    size_t msg_length = msg.length();
-       sended = SSL_write(ssl, msg.c_str(), msg.length());
+
+    while (total_sent < msg_length) {
+        size_t sent = 0;
+
+        if (ssl) {
+            sent = SSL_write(ssl, msg.c_str() + total_sent, msg_length - total_sent);
+        } else {
+            sent = send(conn, msg.c_str() + total_sent, msg_length - total_sent, 0);
+        }
+
+        if (sent == -1) {
+            // Greška pri slanju poruke
+            return false;
+        }
+
+        total_sent += sent;
     }
-    else {
+
-        sended = send(conn, msg.c_str(), msg.length(), 0);
+    return true;
-    }
-    return sended == msg.length();
 }
 
 /**
@@ -341,18 +354,29 @@ bool client::push (const string msg) {
  * Vraća string primljene poruke
 */
 
-string client::pull (size_t byte_limit) {
+string client::pull(size_t byte_limit) {
-   char res[byte_limit] = {0};
+    char res[byte_limit] = {0};
+    size_t total_received = 0;
 
-    if (ssl) {
+    while (total_received < byte_limit) {
-        SSL_read(ssl, res, byte_limit);
+        ssize_t received = 0;
-    }
+
-    else {
+        if (ssl) {
-        recv(conn , res, byte_limit, 0);
+            received = SSL_read(ssl, res + total_received, byte_limit - total_received);
+        } else {
+            received = recv(conn, res + total_received, byte_limit - total_received, 0);
+        }
+
+        if (received == -1) {
+            // Greška pri primanju poruke
+            break;
+        } else if (received == 0) {
+            // Veza je prekinuta
+            break;
+        }
+
+        total_received += received;
     }
 
     return string(res);
 }
-
-
-

test/client.cpp

@@ -29,7 +29,7 @@ int main() {
         // cout << "init cert " << endl;
 
         // client myserver("127.0.0.1", 5000, 5000, crypto.fds);
-        client myserver("localhost", 8000, 5000, crypto.fds);
+        // client myserver("localhost", 8000, 5000, crypto.fds);
         // client myserver("localhost", 5000);
         // cout << "init client " << endl;
 

test/server.cpp

@@ -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;
+        // cout << "init cert " << endl;
-        secure crypto ("../example/cert.pem", "../example/privkey.pem");
+        // secure crypto ("../example/cert.pem", "../example/privkey.pem");
-        cout << "init server " << endl;
+        // cout << "init server " << endl;
-        server myserver(8000, 100, crypto.fds);
+        // 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();
 
@@ -49,8 +49,9 @@ int main() {
 
         // sleep(80);
 
-
+        cout << "init server " << endl;
         server myserver(5000, 100);
+        cout << "init client " << endl;
         myserver.async(8, [](client &cli, mutex &io) {
             cout << "Klijent " << cli.ipv4 << endl;
             string fromclient = cli.pull();
@@ -63,12 +64,10 @@ int main() {
 
         // string teststr = " Idemooo";
 
-        // myserver.sync([](client &cli, mutex &io) {
+        // myserver.sync([](client &cli) {
         //     cout << "Klijent " << cli.ipv4 << endl;
         //     string fromclient = cli.pull();
-        //     io.lock();
         //     cout << "S klijenta " << fromclient << endl;
-        //     io.unlock();
         //     // fromclient += teststr;
         //     cli.push(fromclient);
         // });