IPC and log changes, introduce signature

hyprctl/main.cpp

@@ -45,12 +45,25 @@ void request(std::string arg) {
         return;
     }
 
+    // get the instance signature
+    auto instanceSig = getenv("HYPRLAND_INSTANCE_SIGNATURE");
+
+    if (!instanceSig) {
+        std::cout << "HYPRLAND_INSTANCE_SIGNATURE was not set! (Is Hyprland running?)";
+        return;
+    }
+
+    std::string instanceSigStr = std::string(instanceSig);
+
     sockaddr_un serverAddress = {0};
     serverAddress.sun_family = AF_UNIX;
-    strcpy(serverAddress.sun_path, "/tmp/hypr/.socket.sock");
+
+    std::string socketPath = "/tmp/hypr/" + instanceSigStr + "/.socket.sock";
+
+    strcpy(serverAddress.sun_path, socketPath.c_str());
 
     if (connect(SERVERSOCKET, (sockaddr*)&serverAddress, SUN_LEN(&serverAddress)) < 0) {
-        std::cout << "Couldn't connect to /tmp/hypr/.socket.sock. (3) Is Hyprland running?";
+        std::cout << "Couldn't connect to " << socketPath << ". (3)";
         return;
     }
 

src/Compositor.cpp

@@ -1,11 +1,14 @@
 #include "Compositor.hpp"
 
 CCompositor::CCompositor() {
-    unlink("/tmp/hypr/hyprland.log");
+    m_szInstanceSignature = GIT_COMMIT_HASH + std::string("_") + std::to_string(time(NULL));
-    unlink("/tmp/hypr/hyprlandd.log");
-    unlink("/tmp/hypr/.hyprlandrq");
 
-    system("mkdir -p /tmp/hypr");
+    Debug::log(LOG, "Instance Signature: %s", m_szInstanceSignature.c_str());
+
+    setenv("HYPRLAND_INSTANCE_SIGNATURE", m_szInstanceSignature.c_str(), true);
+
+    const auto INSTANCEPATH = "/tmp/hypr/" + m_szInstanceSignature;
+    mkdir(INSTANCEPATH.c_str(), S_IRWXU | S_IRWXG);
 
     m_sWLDisplay = wl_display_create();
 

src/Compositor.hpp

@@ -63,6 +63,7 @@ public:
 
 
     const char*             m_szWLDisplaySocket;
+    std::string             m_szInstanceSignature = "";
 
     std::list<SMonitor>     m_lMonitors;
     std::list<CWindow>      m_lWindows;

src/debug/HyprCtl.cpp

@@ -266,11 +266,11 @@ void HyprCtl::startHyprCtlSocket() {
             return;
         }
 
-        unlink("/tmp/hypr/.socket.sock");
-
         sockaddr_un SERVERADDRESS = {.sun_family = AF_UNIX};
 
-        strcpy(SERVERADDRESS.sun_path, "/tmp/hypr/.socket.sock");
+        std::string socketPath = "/tmp/hypr/" + g_pCompositor->m_szInstanceSignature + "/.socket.sock";
+
+        strcpy(SERVERADDRESS.sun_path, socketPath.c_str());
 
         bind(SOCKET, (sockaddr*)&SERVERADDRESS, SUN_LEN(&SERVERADDRESS));
 
@@ -282,7 +282,7 @@ void HyprCtl::startHyprCtlSocket() {
 
         char readBuffer[1024] = {0};
 
-        Debug::log(LOG, "Hypr socket started.");
+        Debug::log(LOG, "Hypr socket started at %s", socketPath.c_str());
 
         while(1) {
             const auto ACCEPTEDCONNECTION = accept(SOCKET, (sockaddr*)&clientAddress, &clientSize);

src/debug/Log.cpp

@@ -4,12 +4,18 @@
 #include <fstream>
 #include <iostream>
 
+void Debug::init() {
+    if (ISDEBUG)
+        logFile = "/tmp/hypr/hyprlandd-" + std::to_string(time(NULL)) + ".log";
+    else
+        logFile = "/tmp/hypr/hyprland-" + std::to_string(time(NULL)) + ".log";
+}
+
 void Debug::log(LogLevel level, const char* fmt, ...) {
 
     // log to a file
-    const std::string DEBUGPATH = ISDEBUG ? "/tmp/hypr/hyprlandd.log" : "/tmp/hypr/hyprland.log";
     std::ofstream ofs;
-    ofs.open(DEBUGPATH, std::ios::out | std::ios::app);
+    ofs.open(logFile, std::ios::out | std::ios::app);
 
     switch (level) {
         case LOG:

src/debug/Log.hpp

@@ -12,5 +12,8 @@ enum LogLevel {
 };
 
 namespace Debug {
+    void init();
     void log(LogLevel level, const char* fmt, ...);
+
+    inline std::string logFile;
 };

src/main.cpp

@@ -19,6 +19,10 @@ int main(int argc, char** argv) {
             ignoreSudo = true;
     }
 
+    system("mkdir -p /tmp/hypr");
+
+    Debug::init();
+
     if (!ignoreSudo) {
         if (Init::isSudo()) {
             Debug::log(CRIT, "Hyprland shall not be run as the root user. If you really want to, use the --i-am-really-stupid flag.");

src/managers/EventManager.cpp

@@ -1,4 +1,5 @@
 #include "EventManager.hpp"
+#include "../Compositor.hpp"
 
 #include <errno.h>
 #include <fcntl.h>
@@ -26,10 +27,9 @@ void CEventManager::startThread() {
             return;
         }
 
-        unlink("/tmp/hypr/.socket2.sock");
-
         sockaddr_un SERVERADDRESS = {.sun_family = AF_UNIX};
-        strcpy(SERVERADDRESS.sun_path, "/tmp/hypr/.socket2.sock");
+        std::string socketPath = "/tmp/hypr/" + g_pCompositor->m_szInstanceSignature + "/.socket2.sock";
+        strcpy(SERVERADDRESS.sun_path, socketPath.c_str());
 
         bind(SOCKET, (sockaddr*)&SERVERADDRESS, SUN_LEN(&SERVERADDRESS));
 
@@ -41,7 +41,7 @@ void CEventManager::startThread() {
         sockaddr_in clientAddress;
         socklen_t clientSize = sizeof(clientAddress);
 
-        Debug::log(LOG, "Hypr socket 2 started.");
+        Debug::log(LOG, "Hypr socket 2 started at %s", socketPath.c_str());
 
         // set the socket nonblock
         int flags = fcntl(SOCKET, F_GETFL, 0);