#include <wolfssl/options.h>
#include <wolfssl/ssl.h>
#include <wolfssl/test.h>
#include <errno.h>
#define MAX_LINE 4096

int main(int argc, char** argv) {
 if (argv != 4) {
 printf("> server <cert> <key> <port>");
 exit(0);
 }
 int listenfd, connfd;
 WOLFSSL_CTX* ctx;
 WOLFSSL* ssl;
 int n;
 char buf[MAX_LINE];
 WOLFSSL_METHOD* method;

 /* Initialize wolfSSL library */
 wolfSSL_Init();

 /* Get encryption method */
 method = wolfTLSv1_2_server_method();

 /* Create wolfSSL_CTX */
 if ( (ctx = wolfSSL_CTX_new(method)) == NULL)
 err_sys("wolfSSL_CTX_new error");

 /* Load server certs into ctx */
 if (wolfSSL_CTX_use_certificate_file(ctx, argv[1], SSL_FILETYPE_PEM) != SSL_SUCCESS)
 err_sys("Error loading certs/server-cert.pem");

 /* Load server key into ctx */
 if (wolfSSL_CTX_use_PrivateKey_file(ctx, argv[2], SSL_FILETYPE_PEM) != SSL_SUCCESS)
 err_sys("Error loading certs/server-key.pem");
 tcp_accept(&listenfd, &connfd, NULL, atoi(argv[3]), 1, 0, 0, 0, 1);

 /* Create wolfSSL object */
 if ( (ssl = wolfSSL_new(ctx)) == NULL)
 err_sys("wolfSSL_new error");

 wolfSSL_set_fd(ssl, connfd);

 if ( (n = wolfSSL_read(ssl, buf, (sizeof(buf) -1))) > 0) {
 printf("%s\n", buf);
 if (wolfSSL_write(ssl, buf, n) != n)
 err_sys("wolfSSL_write error");
 }
 if (n <0)
 printf("wolfSSL_read error = %d\n", wolfSSL_get_error(ssl, n));
 else if (n == 0)
 printf("Connection close by peer\n");

 wolfSSL_free(ssl);
 close(connfd);
 wolfSSL_CTX_free(ctx);
 wolfSSL_Cleanup();
 exit(EXIT_SUCCESS);
}