Diff: main.cpp

Revision:

0:0c584b87ea42

Child:

1:ac91b4f8d818

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun May 25 06:47:15 2014 +0000
@@ -0,0 +1,102 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+
+#include <cyassl/ssl.h>
+
+const char* ECHO_SERVER_ADDRESS = "192.168.137.1";
+const int ECHO_SERVER_PORT = 443;
+
+#define err_sys(m) { puts(m) ; return -1 ; }
+
+TCPSocketConnection socket;
+
+static int SocketReceive(CYASSL* ssl, char *buf, int sz, void *ctx)
+{
+    int n ;
+    int i ;
+#define RECV_RETRY 3
+    for(i=0; i<RECV_RETRY; i++) {
+        n = socket.receive(buf, sz) ;
+        if(n >= 0)return n  ;
+    }
+    printf("SocketReceive:%d/%d\n", n, sz)  ;
+    return n ;
+}
+
+static int SocketSend(CYASSL* ssl, char *buf, int sz, void *ctx)
+{
+    int n ;
+
+    n = socket.send(buf, sz);
+    if(n > 0) {
+        return n ;
+    } else  printf("SocketSend:%d/%d\n", n, sz);
+    return n ;
+}
+
+int main()
+{
+    CYASSL_CTX*     ctx     = 0;
+    CYASSL*         ssl     = 0;
+
+    CYASSL_METHOD* method = CyaTLSv1_2_client_method();
+    EthernetInterface eth;
+
+    printf("===== ECHO CLIENT ========\n") ;
+    /* CyaSSL_Debugging_ON() ; */
+
+    eth.init(); //Use DHCP
+    eth.connect();
+    printf("Client IP: %s\n", eth.getIPAddress());
+
+    /* Initialize CyaSSL Context */
+    ctx = CyaSSL_CTX_new(method);
+    if (ctx == NULL)
+        err_sys("unable to get ctx");
+    CyaSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0);
+    CyaSSL_SetIORecv(ctx, SocketReceive) ;
+    CyaSSL_SetIOSend(ctx, SocketSend) ;
+
+    socket.set_blocking(false, 300) ;
+    while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT) < 0) {
+        printf("Unable to connect to (%s) on port (%d)\n", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT);
+        wait(1);
+    }
+    printf("TCP Connected\n") ;
+
+    ssl = CyaSSL_new(ctx);
+    if (ssl == NULL)
+        err_sys("unable to get SSL object");
+    if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
+        int  err = CyaSSL_get_error(ssl, 0);
+        printf("err = %d, %s\n", err,
+               CyaSSL_ERR_error_string(err, "\n" /*buffer*/));
+        err_sys("SSL Connection Error");
+    }
+    printf("SSL Connected\n") ;
+
+    const char msg[] = "GET / HTTP/1.0\r\n\r\n" ;
+    // const char msg[] = "Hello World\r\n" ;
+
+    if (CyaSSL_write(ssl, msg, sizeof(msg)-1) != (sizeof(msg)-1))
+        err_sys("CyaSSL_write failed");
+
+    char buf[1024];
+    int n ;
+
+    n = CyaSSL_read(ssl, buf, sizeof(buf)-1);
+    if (n > 0) {
+        puts("Server Response") ;
+        buf[n] = 0;
+        puts(buf);
+        puts("=== === === ===") ;
+    } else
+        err_sys("CyaSSL_read failed");
+
+    CyaSSL_free(ssl) ;
+    socket.close();
+
+    CyaSSL_CTX_free(ctx) ;
+    eth.disconnect();
+    while(true) {}
+}