Diff: Ether.h

Revision:

0:d81f611c59ec

Child:

1:a22e390c70b3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Ether.h	Wed Nov 30 04:35:45 2011 +0000
@@ -0,0 +1,86 @@
+/*
+Copyright (c) 2011, Senio Networks, Inc.
+
+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.
+*/
+
+#ifndef ETHER_H
+#define ETHER_H
+
+#include "EthernetNetIf.h"
+#include "utils.h"
+
+class Ether {
+public:
+    Ether(bool verbose = false)
+            : active(false), verbose(verbose) {
+    }
+
+    Ether(IpAddr ip, IpAddr subnet, IpAddr gateway, IpAddr dns, bool verbose = false)
+            : eth(ip, subnet, gateway, dns), active(false), verbose(verbose) {
+    }
+
+    static Ether create(IpAddr ip, IpAddr subnet, IpAddr gateway, IpAddr dns, bool verbose = false) {
+        return Ether(ip, subnet, gateway, dns, verbose);
+    }
+
+    static Ether create(char *filename = 0, bool verbose = false) {
+        if (filename) {
+            char path[32];
+            LocalFileSystem local("local");
+            sprintf(path, "/local/%s", filename);
+            if (FILE *fp = fopen(path, "r")) {
+                char b1, b2, b3, b4;
+                IpAddr ip = fgetValues(fp, "ip-address:%hhu.%hhu.%hhu.%hhu", &b1, &b2, &b3, &b4) ? IpAddr(b1, b2, b3, b4) : IpAddr();
+                IpAddr subnet = fgetValues(fp, "subnet-mask:%hhu.%hhu.%hhu.%hhu", &b1, &b2, &b3, &b4) ? IpAddr(b1, b2, b3, b4) : IpAddr();
+                IpAddr gateway = fgetValues(fp, "gateway-address:%hhu.%hhu.%hhu.%hhu", &b1, &b2, &b3, &b4) ? IpAddr(b1, b2, b3, b4) : IpAddr();
+                IpAddr dns = fgetValues(fp, "dns-address:%hhu.%hhu.%hhu.%hhu", &b1, &b2, &b3, &b4) ? IpAddr(b1, b2, b3, b4) : IpAddr();
+                fclose(fp);
+                if (verbose) {
+                    ::printf( "ip-address:%hhu.%hhu.%hhu.%hhu\n", ip[0], ip[1], ip[2], ip[3]);
+                    ::printf( "subnet-mask:%hhu.%hhu.%hhu.%hhu\n", subnet[0], subnet[1], subnet[2], subnet[3]);
+                    ::printf( "gateway-address:%hhu.%hhu.%hhu.%hhu\n", gateway[0], gateway[1], gateway[2], gateway[3]);
+                    ::printf( "dns-address:%hhu.%hhu.%hhu.%hhu\n", dns[0], dns[1], dns[2], dns[3]);
+                }
+                if (!ip.isNull())
+                    return Ether(ip, subnet, gateway, dns, verbose);
+            }
+        }
+        return Ether();
+    }
+
+    void setup() {
+        EthernetErr err = eth.setup();
+        active = err == ETH_OK;
+        if (verbose) {
+            ::printf("EthernetNetIf.setup() = %d\n", err);
+        }
+    }
+
+    operator bool() {
+        return active;
+    }
+
+private:
+    EthernetNetIf eth;
+    bool active;
+    bool verbose;
+};
+
+#endif
\ No newline at end of file