1 files changed, 58 insertions, 0 deletions
diff --git a/client.c b/client.c
new file mode 100644
index 0000000..0f8bde1
--- /dev/null
+++ b/client.c
@@ -0,0 +1,58 @@
+#define _GNU_SOURCE  // getline
+#include <stdio.h>
+#include <stddef.h>
+#include <string.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/ip_icmp.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <errno.h>
+#include <assert.h>
+#include "icmpd.h"
+#include "util.h"
+
+int main(void) {
+	const char *remote_addr = "127.0.0.1";
+	// const char *remote_addr = "198.211.118.67";
+	struct icmpd *d = icmpd_create_client(inet_addr(remote_addr));
+	int d_fd = icmpd_get_select_fd(d);
+
+	while (true) {
+		fd_set inset;
+		FD_ZERO(&inset);
+		FD_SET(0, &inset);
+		FD_SET(d_fd, &inset);
+
+		int ret = select(d_fd + 1, &inset, NULL, NULL, NULL);
+		if (ret < 0) {
+			if (errno == EINTR) continue;
+			perror("select");
+			return 1;
+		}
+
+		if (ret == 0) continue;  // timeout
+
+		if (FD_ISSET(0, &inset)) {
+			char *line = NULL;
+			size_t linelen = 0;
+			errno = 0;
+			ssize_t nr = getline(&line, &linelen, stdin);
+			if (nr < 0) {
+				if (errno == 0) break;  // EOF
+				perror("getline");
+				exit(1);
+			}
+			if (nr > 0) nr--;
+			icmpd_send(d, line, nr);
+			free(line);
+		}
+
+		if (FD_ISSET(d_fd, &inset) && icmpd_peek(d)) {
+			struct icmpd_received msg = icmpd_recv(d);
+			printf("Recv: %zu\n", msg.length);
+			xxd(msg.data, msg.length);
+		}
+	}
+}