From 22441dfbf83c845740e2834aca16e46a9ba75bae Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Fri, 1 May 2020 20:06:31 +0200
Subject: Server now echoes received request

---
 http.c | 29 +++++++++++++++++++++++++++++
 http.h |  2 ++
 plop.c |  8 ++++++--
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/http.c b/http.c
index 978af38..264c7b5 100644
--- a/http.c
+++ b/http.c
@@ -1,6 +1,8 @@
 #include "http.h"
 
+#include <errno.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/socket.h>
 #include <sys/types.h>
@@ -59,3 +61,30 @@ int respond_with_body(const int fd, const enum status status, const char * body)
 
 	return send(fd, body, strlen(body), 0);
 }
+
+///
+/// \param fd
+/// \param request
+/// \return
+int parse_request(const int fd, struct request * const request)
+{
+	char buffer[10240];
+
+	int length = recv(fd, buffer, 10240, 0);
+
+	if (-1 == length && EWOULDBLOCK != errno && EAGAIN != errno)
+	{
+		return -1;
+	}
+
+	if (0 == length)
+	{
+		return -1; // TODO: Handle errors properly
+	}
+
+	request->body = malloc(length + 1);
+	memcpy(request->body, buffer, length);
+	request->body[length] = 0;
+
+	return length;
+}
diff --git a/http.h b/http.h
index 0cee2ab..5a9283e 100644
--- a/http.h
+++ b/http.h
@@ -15,6 +15,7 @@ enum method
 struct request
 {
 	enum method method;
+	char * body;
 };
 
 enum status
@@ -33,5 +34,6 @@ extern const char * status_str[];
 
 int respond_only_status(int, enum status);
 int respond_with_body(int, enum status, const char *);
+int parse_request(int, struct request *);
 
 #endif // HTTP_H
diff --git a/plop.c b/plop.c
index 794715a..9e44ab7 100644
--- a/plop.c
+++ b/plop.c
@@ -2,6 +2,7 @@
 #include <fcntl.h>
 #include <netdb.h>
 #include <poll.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/socket.h>
 #include <sys/types.h>
@@ -85,13 +86,16 @@ int handle_client(struct pollfd * pfd, const int shift_by)
 		return -1; // TODO: Handle errors properly
 	}
 
-	static const char * body = "plop!";
+	struct request request = {0};
+	parse_request(pfd->fd, &request);
 
-	if (-1 == respond_with_body(pfd->fd, STATUS_OK, body))
+	if (-1 == respond_with_body(pfd->fd, STATUS_OK, request.body))
 	{
 		// TODO: Handle errors properly
 	}
 
+	free(request.body);
+
 	close(pfd->fd);
 	(pfd - shift_by)->fd = -1;
 	(pfd - shift_by)->events = pfd->events;
-- 
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