From c52712471fb92472b6450d832de81a0f99dc0dba Mon Sep 17 00:00:00 2001
From: Evan Burkey <evan@burkey.co>
Date: Sun, 7 Jul 2024 20:05:32 -0700
Subject: [PATCH] manual testing

---
 .gitea/workflows/jobs.yaml |  8 ++------
 .gitignore                 |  1 +
 Makefile                   |  5 ++++-
 src/network.c              | 28 +++++++++++++++++++++-------
 tests/netmanual.c          | 15 +++++++++++++++
 5 files changed, 43 insertions(+), 14 deletions(-)
 create mode 100644 tests/netmanual.c

diff --git a/.gitea/workflows/jobs.yaml b/.gitea/workflows/jobs.yaml
index 5cf1842..b01099a 100644
--- a/.gitea/workflows/jobs.yaml
+++ b/.gitea/workflows/jobs.yaml
@@ -14,15 +14,11 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y libbsd-dev cmake build-essential
+          sudo apt-get install -y libbsd-dev build-essential
 
       - name: Build and test
         run: |
-          mkdir build
-          cd build
-          cmake ..
-          make
-          ./tests
+          make tests
 
   docs:
     runs-on: ubuntu-latest
diff --git a/.gitignore b/.gitignore
index 04ab71d..221cf55 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ test
 tcptest
 testrunner
 .idea
+netmanual
diff --git a/Makefile b/Makefile
index f6b6d93..4c62e57 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY : clean tests all
+.PHONY : clean tests all manual
 
 CFLAGS =		-std=c99 -Iinclude -pedantic
 WARNINGS= 	-Wall -Wextra
@@ -30,6 +30,7 @@ clean:
 	rm -f $(TARGET)
 	rm -f testrunner
 	rm -f tcptest
+	rm -f netmanual
 	rm -f compile_commands.json
 
 tests:
@@ -37,3 +38,5 @@ tests:
 	cc $(CFLAGS) -o tcptest tests/tcptest.c src/*.c 
 	./run_tests.sh
 
+manual:
+	cc $(CFLAGS) -o netmanual tests/netmanual.c src/*.c
diff --git a/src/network.c b/src/network.c
index 40c71e2..637ed17 100644
--- a/src/network.c
+++ b/src/network.c
@@ -1,4 +1,5 @@
 #include <errno.h>
+#include <string.h>
 #include <stdlib.h>
 #include <sys/socket.h>
 #include <sys/types.h>
@@ -115,13 +116,26 @@ void handler_tcp_echo(Server *s) {
        printf("Received connection from %s\n", buf);
 
        // Start child process
-       if (!fork()) { 
-           close(s->fd); // Child doesn't need the initial socket
-           if (send(new_fd, "Hello, world!", 13, 0) == -1) {
-               fprintf(stderr, "Failed to send hello world\n");
-           }
-           close(new_fd);
-           _exit(0);
+        if (!fork()) { 
+            close(s->fd); // Child doesn't need the initial socket
+            
+            char recv_buf[256];
+            int r = recv(new_fd, recv_buf, 256, 0);
+            if (r == -1) {
+                fprintf(stderr, "Failed to recv. Errno: %d\n", errno);
+                goto CHILD_END;
+            } else if (r == 0) {
+                fprintf(stderr, "Client closed connection\n");
+                goto CHILD_END;
+            }
+
+            if (send(new_fd, recv_buf, strlen(recv_buf), 0) == -1) {
+                fprintf(stderr, "Failed to send echo\n");
+            }
+
+CHILD_END:
+            close(new_fd);
+            _exit(0);
        }
        // End child process
 
diff --git a/tests/netmanual.c b/tests/netmanual.c
new file mode 100644
index 0000000..60ede69
--- /dev/null
+++ b/tests/netmanual.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "lfnetwork.h"
+
+int main(int argc, char **argv) {
+    Server *server = new_server(SERVERTYPE_TCP, "18632", handler_tcp_echo);
+    serve(server, DEFAULT_BACKLOG);
+    delete_server(server);
+}