1 files changed, 106 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/socket-api/wasm-src/tcp_client.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/socket-api/wasm-src/tcp_client.c
new file mode 100644
index 000000000..aad449483
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/socket-api/wasm-src/tcp_client.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#include "socket_utils.h"
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#ifdef __wasi__
+#include <wasi_socket_ext.h>
+#endif
+
+static void
+init_sockaddr_inet(struct sockaddr_in *addr)
+{
+    /* 127.0.0.1:1234 */
+    addr->sin_family = AF_INET;
+    addr->sin_port = htons(1234);
+    addr->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+}
+
+static void
+init_sockaddr_inet6(struct sockaddr_in6 *addr)
+{
+    /* [::1]:1234 */
+    addr->sin6_family = AF_INET6;
+    addr->sin6_port = htons(1234);
+    addr->sin6_addr = in6addr_loopback;
+}
+
+int
+main(int argc, char *argv[])
+{
+    int socket_fd, ret, total_size = 0, af;
+    char buffer[1024] = { 0 };
+    char ip_string[64] = { 0 };
+    socklen_t len;
+    struct sockaddr_storage server_address = { 0 };
+    struct sockaddr_storage local_address = { 0 };
+
+    if (argc > 1 && strcmp(argv[1], "inet6") == 0) {
+        af = AF_INET6;
+        len = sizeof(struct sockaddr_in6);
+        init_sockaddr_inet6((struct sockaddr_in6 *)&server_address);
+    }
+    else {
+        af = AF_INET;
+        len = sizeof(struct sockaddr_in);
+        init_sockaddr_inet((struct sockaddr_in *)&server_address);
+    }
+
+    printf("[Client] Create socket\n");
+    socket_fd = socket(af, SOCK_STREAM, 0);
+    if (socket_fd == -1) {
+        perror("Create socket failed");
+        return EXIT_FAILURE;
+    }
+
+    printf("[Client] Connect socket\n");
+    if (connect(socket_fd, (struct sockaddr *)&server_address, len) == -1) {
+        perror("Connect failed");
+        close(socket_fd);
+        return EXIT_FAILURE;
+    }
+
+    len = sizeof(local_address);
+    ret = getsockname(socket_fd, (struct sockaddr *)&local_address, &len);
+    if (ret == -1) {
+        perror("Failed to retrieve socket address");
+        close(socket_fd);
+        return EXIT_FAILURE;
+    }
+
+    if (sockaddr_to_string((struct sockaddr *)&local_address, ip_string,
+                           sizeof(ip_string) / sizeof(ip_string[0]))
+        != 0) {
+        printf("[Client] failed to parse local address\n");
+        close(socket_fd);
+        return EXIT_FAILURE;
+    }
+
+    printf("[Client] Local address is: %s\n", ip_string);
+
+    printf("[Client] Client receive\n");
+    while (1) {
+        ret = recv(socket_fd, buffer + total_size, sizeof(buffer) - total_size,
+                   0);
+        if (ret <= 0)
+            break;
+        total_size += ret;
+    }
+
+    printf("[Client] %d bytes received:\n", total_size);
+    if (total_size > 0) {
+        printf("Buffer recieved:\n%s\n", buffer);
+    }
+
+    close(socket_fd);
+    printf("[Client] BYE \n");
+    return EXIT_SUCCESS;
+}