Diff: Socket/Endpoint.cpp

Revision:

0:615c697c33b0

Child:

4:15b58c119a0a

diff -r 000000000000 -r 615c697c33b0 Socket/Endpoint.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Endpoint.cpp	Thu Sep 19 07:55:14 2013 +0000
@@ -0,0 +1,123 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+#include <cstring>
+
+ #include "cc3000.h"
+
+using std::memset;
+
+Endpoint::Endpoint()  {
+    _cc3000_module = cc3000::get_instance();
+    if (_cc3000_module == NULL) {
+        error("Endpoint constructor error: no cc3000 instance available!\r\n");
+    }
+    reset_address();
+}
+Endpoint::~Endpoint() {}
+
+void Endpoint::reset_address(void) {
+    _ipAddress[0] = '\0';
+    std::memset(&_remote_host,0, sizeof(sockaddr));
+}
+
+int Endpoint::set_address(const char* host, const int port) {
+    reset_address();
+
+    // IP Address
+    char address[5];
+    char *p_address = address;
+
+    // Dot-decimal notation
+    int result = std::sscanf(host, "%3u.%3u.%3u.%3u",
+        (unsigned int*)&address[0], (unsigned int*)&address[1],
+        (unsigned int*)&address[2], (unsigned int*)&address[3]);
+
+    if (result != 4) {
+        //Resolve DNS address or populate hard-coded IP address
+        uint32_t address_integer;
+        _cc3000_module->_socket.get_host_by_name((uint8_t *)host, strlen(host) , &address_integer);
+
+        address[0] = (address_integer >> 24);
+        address[1] = (address_integer >> 16);
+        address[2] = (address_integer >> 8);
+        address[3] = (address_integer >> 0);
+        sprintf(_ipAddress,"%3u.%3u.%3u.%3u", address[0],address[1],address[2],address[3]);
+        _remote_host.sin_addr.s_addr = address_integer;
+    } else {
+        std::memcpy((char*)&_remote_host.sin_addr.s_addr, p_address, 4);
+    }
+
+    /* store address*/
+    _remote_host.sin_family = AF_INET;
+
+    // Set port
+    _remote_host.sin_port = htons(port);
+
+    return 0;
+}
+
+static char *inet_ntoa_r(const in_addr addr, char *buf, int buflen)
+{
+  uint32_t s_addr;
+  char inv[3];
+  char *rp;
+  uint8_t *ap;
+  uint8_t rem;
+  uint8_t n;
+  uint8_t i;
+  int len = 0;
+
+  s_addr = addr.s_addr;
+
+  rp = buf;
+  ap = (uint8_t *)&s_addr;
+  for(n = 0; n < 4; n++) {
+    i = 0;
+    do {
+      rem = *ap % (uint8_t)10;
+      *ap /= (uint8_t)10;
+      inv[i++] = '0' + rem;
+    } while(*ap);
+    while(i--) {
+      if (len++ >= buflen) {
+        return NULL;
+      }
+      *rp++ = inv[i];
+    }
+    if (len++ >= buflen) {
+      return NULL;
+    }
+    *rp++ = '.';
+    ap++;
+  }
+  *--rp = 0;
+  return buf;
+}
+
+char* Endpoint::get_address() {
+    if ((_ipAddress[0] == '\0') && (_remote_host.sin_addr.s_addr != 0))
+            inet_ntoa_r(_remote_host.sin_addr, _ipAddress, sizeof(_ipAddress));
+    return _ipAddress;
+}
+
+
+int   Endpoint::get_port() {
+    return ntohs(_remote_host.sin_port);
+}