From 51bbf779ba2c9d5954e2c9470a8eae7c1ddd38a5 Mon Sep 17 00:00:00 2001
From: Phil Jones <philj56@gmail.com>
Date: Tue, 7 Jun 2022 13:47:35 +0100
Subject: Switch from using (E)GL to wl_shm.

eglInitialize() is slow (~50-100ms), and uses a fair amount of memory
(~100 MB). For such a small, simple program that just wants to launch as
quickly as possible, wl_shm performs better.
---
 src/ipc.c | 121 --------------------------------------------------------------
 1 file changed, 121 deletions(-)
 delete mode 100644 src/ipc.c

(limited to 'src/ipc.c')

diff --git a/src/ipc.c b/src/ipc.c
deleted file mode 100644
index 2af5dbf..0000000
--- a/src/ipc.c
+++ /dev/null
@@ -1,121 +0,0 @@
-#include <json-c/json_object.h>
-#include <json-c/json_tokener.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <unistd.h>
-#include "ipc.h"
-#include "log.h"
-#include "xmalloc.h"
-
-static int ipc_open(void);
-static int ipc_send(int socket, struct json_object *request);
-static struct json_object *ipc_receive(int socket);
-
-struct json_object *ipc_submit(struct json_object *request)
-{
-	int sock = ipc_open();
-	if (sock == -1) {
-		return NULL;
-	}
-
-	if (ipc_send(sock, request) == -1) {
-		close(sock);
-		return NULL;
-	}
-
-	struct json_object *resp = ipc_receive(sock);
-	close(sock);
-	return resp;
-}
-
-/*
- * Open a connection to the UNIX socket specified by
- * the environment variable GREETD_SOCK.
- *
- * Returns the socket file descriptor on success, or -1 on failure.
- */
-int ipc_open(void)
-{
-	char *greetd_sock = getenv("GREETD_SOCK");
-
-	if (greetd_sock == NULL) {
-		log_error("GREETD_SOCK not set.\n");
-		return -1;
-	}
-
-	int sock = socket(AF_UNIX, SOCK_STREAM, 0);
-	if (sock == -1) {
-		log_error("Unable to create socket: %s\n", strerror(errno));
-		return -1;
-	}
-
-	struct sockaddr_un remote = { .sun_family = AF_UNIX };
-	strncpy(remote.sun_path, greetd_sock, sizeof(remote.sun_path));
-
-	if (connect(sock, (struct sockaddr *)&remote, sizeof(remote)) == -1) {
-		log_error("Unable to connect to greetd: %s\n", strerror(errno));
-		close(sock);
-		return -1;
-	}
-	return sock;
-}
-
-/*
- * Send an IPC request to the specified socket.
- *
- * Returns 0 on success, or -1 on failure.
- */
-int ipc_send(int sock, struct json_object *request)
-{
-	const char *str = json_object_to_json_string(request);
-	uint32_t len = strlen(str);
-
-	if (send(sock, &len, sizeof(len), 0) == -1) {
-		log_error("Error sending request size: %s\n", strerror(errno));
-		return -1;
-	}
-
-	if (send(sock, str, len, 0) == -1) {
-		log_error("Error sending request: %s\n", strerror(errno));
-		return -1;
-	}
-	return 0;
-}
-
-/*
- * Receive an IPC response on the specified socket.
- *
- * Returns the response on success, or NULL on failure.
- */
-struct json_object *ipc_receive(int sock)
-{
-	uint32_t len = 0;
-
-	if (recv(sock, &len, sizeof(len), 0) != sizeof(len)) {
-		log_error("Error receiving response size: %s\n", strerror(errno));
-		return NULL;
-	}
-
-	char *buf = xmalloc(len + 1);
-	if (recv(sock, buf, len, 0) != len) {
-		log_error("Error receiving response: %s\n", strerror(errno));
-		free(buf);
-		return NULL;
-	}
-
-	buf[len] = '\0';
-
-	enum json_tokener_error error;
-	struct json_object *resp = json_tokener_parse_verbose(buf, &error);
-	free(buf);
-
-	if (resp == NULL) {
-		log_error("Error parsing response: %s\n", json_tokener_error_desc(error));
-	}
-	return resp;
-
-}
-- 
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