From d1d4a63d4473cd4910b678cf5b385f622186fbd3 Mon Sep 17 00:00:00 2001
From: BossCode45 <human.cyborg42@gmail.com>
Date: Thu, 19 Dec 2024 15:00:45 +1300
Subject: feat: Added IPC client side to main binary

Updated command line arguments to use `getopt_long'
Made it so both -v and --version work
Made it so that if you give it non recognised arguments they are sent
through the socket to the running window manager if possible.
---
 src/IPC.cpp | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 74 insertions(+), 5 deletions(-)

(limited to 'src/IPC.cpp')

diff --git a/src/IPC.cpp b/src/IPC.cpp
index 709cc5c..3ed1bb6 100644
--- a/src/IPC.cpp
+++ b/src/IPC.cpp
@@ -1,6 +1,7 @@
 #include "IPC.h"
 #include "ewmh.h"
 
+#include <X11/Xlib.h>
 #include <cstring>
 #include <string>
 #include <sys/socket.h>
@@ -11,14 +12,14 @@ using std::cout, std::endl;
 
 static const char* path = "/tmp/YATwm.sock";
 
-IPCModule::IPCModule(CommandsModule& commandsModule, Config& cfg, Globals& globals)
+IPCServerModule::IPCServerModule(CommandsModule& commandsModule, Config& cfg, Globals& globals)
 	:commandsModule(commandsModule),
 	 cfg(cfg),
 	 globals(globals)
 {
 }
 
-void IPCModule::init()
+void IPCServerModule::init()
 {
 	sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
 	address.sun_family = AF_UNIX;
@@ -35,7 +36,7 @@ void IPCModule::init()
 	ready = true;
 }
 
-void IPCModule::doListen()
+void IPCServerModule::doListen()
 {
 	if(!ready)
 		return;
@@ -73,7 +74,7 @@ void IPCModule::doListen()
 	close(newsock);
 }
 
-void IPCModule::quitIPC()
+void IPCServerModule::quitIPC()
 {
 	if(!ready)
 		return;
@@ -81,7 +82,7 @@ void IPCModule::quitIPC()
 	ready = false;
 }
 
-int IPCModule::getFD()
+int IPCServerModule::getFD()
 {
 	if(!ready)
 		return -1;
@@ -89,3 +90,71 @@ int IPCModule::getFD()
 		return sockfd;
 	return -1;
 }
+
+IPCClientModule::IPCClientModule()
+{
+	ready = false;
+}
+
+int IPCClientModule::init()
+{
+	Display* dpy = XOpenDisplay(nullptr);
+	Window root = Window(DefaultRootWindow(dpy));
+	Atom propName = XInternAtom(dpy, "YATWM_SOCKET_PATH", false);
+	Atom propType = XInternAtom(dpy, "STRING", false);
+	int format;
+	unsigned long length;
+	unsigned long after;
+	Atom type;
+	unsigned char* sockPath;
+	
+	if(XGetWindowProperty(dpy, root, propName, 0L, 32L, False, propType, &type, &format, &length, &after, &sockPath) != Success || type == None)
+	{
+		cout << "Failed to get path" << endl;
+		XFree(sockPath);
+		return 1;
+	}
+
+	sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if(sockfd == -1)
+	{
+		cout << "Failed to create socket" << endl;
+		XFree(sockPath);
+		return -1;
+	}
+	sockaddr_un address;
+	address.sun_family = AF_UNIX;
+	strcpy(address.sun_path, (const char*)sockPath);
+	if(connect(sockfd, (sockaddr*) &address, sizeof(address)) == -1)
+	{
+		cout << "Failed connect" << endl;
+		XFree(sockPath);
+		return -1;
+	}
+	XFree(sockPath);
+	XCloseDisplay(dpy);
+
+	ready = true;
+	return 0;
+}
+
+int IPCClientModule::sendMessage(const char* message, int length)
+{
+	if(!ready)
+		return 1;
+	return write(sockfd, message, length);
+}
+
+int IPCClientModule::getMessage(char* buff, int buffsize)
+{
+	if(!ready)
+		return 1;
+	return read(sockfd, buff, buffsize);
+}
+
+void IPCClientModule::quit()
+{
+	if(!ready)
+		return;
+	close(sockfd);
+}
-- 
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