Move alpha system call

kernel/include/net/alpha.hpp

@@ -0,0 +1,17 @@
+//=======================================================================
+// Copyright Baptiste Wicht 2013-2016.
+// Distributed under the terms of the MIT License.
+// (See accompanying file LICENSE or copy at
+//  http://www.opensource.org/licenses/MIT)
+//=======================================================================
+
+#ifndef NET_ALPHA_H
+#define NET_ALPHA_H
+
+namespace network {
+
+void alpha();
+
+} // end of network namespace
+
+#endif

kernel/src/net/alpha.cpp

@@ -0,0 +1,57 @@
+//=======================================================================
+// Copyright Baptiste Wicht 2013-2016.
+// Distributed under the terms of the MIT License.
+// (See accompanying file LICENSE or copy at
+//  http://www.opensource.org/licenses/MIT)
+//=======================================================================
+
+#include "net/alpha.hpp"
+#include "net/ethernet_layer.hpp"
+#include "net/icmp_layer.hpp"
+#include "net/arp_cache.hpp"
+#include "net/ip_layer.hpp"
+
+#include "logging.hpp"
+#include "kernel_utils.hpp"
+#include "scheduler.hpp"
+
+#include "tlib/errors.hpp"
+
+namespace {
+
+size_t echo_sequence = 1;
+
+} // end of anonymous namespace
+
+void network::alpha(){
+    auto& interface = network::interface(0);
+
+    auto target_ip = network::ip::make_address(10,0,2,2);
+
+    logging::logf(logging::log_level::TRACE, "icmp: Ping %u.%u.%u.%u \n",
+        uint64_t(target_ip(0)), uint64_t(target_ip(1)), uint64_t(target_ip(2)), uint64_t(target_ip(3)));
+
+    auto target_mac = network::arp::get_mac_force(interface, target_ip);
+
+    if(!target_mac){
+        logging::logf(logging::log_level::TRACE, "icmp: Failed to get MAC Address from IP\n");
+        return;
+    }
+
+    logging::logf(logging::log_level::TRACE, "icmp: Target MAC Address: %h\n", *target_mac);
+
+    // Ask the ICMP layer to craft a packet
+    auto packet = network::icmp::prepare_packet(interface, target_ip, 0, network::icmp::type::ECHO_REQUEST, 0);
+
+    if(packet){
+        // Set the Command header
+
+        auto* command_header = reinterpret_cast<network::icmp::echo_request_header*>(packet->payload + packet->index);
+
+        command_header->identifier = 0x666;
+        command_header->sequence = echo_sequence++;
+
+        // Send the packet back to ICMP
+        network::icmp::finalize_packet(interface, *packet);
+    }
+}

kernel/src/system_calls.cpp

@@ -18,7 +18,8 @@
 #include "drivers/mouse.hpp"
 #include "vfs/vfs.hpp"
 #include "ioctl.hpp"
-#include "net/icmp_layer.hpp"
+#include "net/network.hpp"
+#include "net/alpha.hpp"
 
 //TODO Split this file
 
@@ -353,9 +354,7 @@ void sc_ioctl(interrupt::syscall_regs* regs){
 }
 
 void sc_alpha(interrupt::syscall_regs*){
-    if(network::number_of_interfaces()){
-        network::icmp::ping(network::interface(0), network::ip::make_address(10, 0, 2, 2));
-    }
+    network::alpha();
 }
 
 void sc_socket_open(interrupt::syscall_regs* regs){