Add new code

Signed-off-by: Carlos Maiolino <[email protected]>

1 files changed, 66 insertions, 0 deletions

diff --git a/C/netCode/client.c b/C/netCode/client.c
new file mode 100644
index 0000000..dafd1e8
--- /dev/null
+++ b/C/netCode/client.c
@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+#include "types.h"
+
+void handle_client(int fd)
+{
+	char buf[4096] = {0};
+	int *data;
+	proto_hdr_t *hdr = (proto_hdr_t*)buf;
+
+
+	read(fd, buf, sizeof(proto_hdr_t) + sizeof(int));
+
+	hdr->type = ntohl(hdr->type);
+	hdr->len = ntohs(hdr->len);
+
+	data = (int *)&hdr[1];
+	*data = ntohl(*data);
+
+	if (hdr->type != PROTO_HELLO)
+		printf("Protocol mismatch\n");
+
+	if (*data != 1)
+		printf("Protocol version mismatch\n");
+
+	printf("Client connected - proto: %d ver: %d payload: %d\n",
+	       hdr->type, hdr->len, *data);
+}
+
+int main(int argc, char *argv[])
+{
+	int err;
+	struct sockaddr_in serverInfo = {0};
+	int fd = socket(AF_INET, SOCK_STREAM, 0);
+
+	if (argc != 2) {
+		printf("Usage: ./client <ip>\n");
+		exit(1);
+	}
+
+	serverInfo.sin_family = AF_INET;
+	serverInfo.sin_addr.s_addr = inet_addr(argv[1]);;
+	serverInfo.sin_port = htons(SERVER_PORT);
+
+	if (fd < 0) {
+		perror("socket");
+		exit(1);
+	}
+
+	err = connect(fd, (struct sockaddr*)&serverInfo, sizeof(serverInfo));
+	if (err < 0) {
+		perror("connect");
+		close(fd);
+		exit(1);
+	}
+
+	handle_client(fd);
+	close(fd);
+	return 0;
+}