Add socket support to platform code....

src/platform-macos.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 27 matching lines @@
 # include <execinfo.h>  // backtrace, backtrace_symbols
 #endif
 
 #include <pthread.h>
 #include <semaphore.h>
 #include <signal.h>
 #include <mach/semaphore.h>
 #include <mach/task.h>
 #include <sys/time.h>
 #include <sys/resource.h>
+#include <sys/socket.h>
+#include <sys/types.h>
 #include <stdarg.h>
 #include <stdlib.h>
 
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <errno.h>
+
 #undef MAP_TYPE
 
 #include "v8.h"
 
 #include "platform.h"
 
 namespace v8 { namespace internal {
 
 // 0 is never a valid thread id on MacOSX since a ptread_t is
 // a pointer.
@@ skipping 501 matching lines @@
 
  private:
   semaphore_t semaphore_;
 };
 
 
 Semaphore* OS::CreateSemaphore(int count) {
   return new MacOSSemaphore(count);
 }
 
+
+// ----------------------------------------------------------------------------
+// MacOS socket support.
+//
+
+class MacOSSocket : public Socket {
+ public:
+  explicit MacOSSocket() {
+    // Create the socket.
+    socket_ = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+  }
+  explicit MacOSSocket(int socket): socket_(socket) { }
+
+
+  virtual ~MacOSSocket() {
+    if (IsValid()) {
+      // Close socket.
+      close(socket_);
+    }
+  }
+
+  // Server initialization.
+  bool Bind (const int port);
+  bool Listen(int backlog) const;
+  Socket* Accept () const;
+
+  // Client initialization.
+  bool Connect(const char* host, const char* port);
+
+  // Data Transimission
+  int Send(const char* data, int len) const;
+  bool SendAll(const char* data, int len) const;
+  int Receive(char* data, int len) const;
+
+  bool IsValid() const { return socket_ != -1; }
+
+ private:
+  int socket_;
+};
+
+
+bool MacOSSocket::Bind(const int port) {
+  if (!IsValid())  {
+    return false;
+  }
+
+  int on = 1;
+  int status = setsockopt(socket_, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+  if (status != 0) {
+    return false;
+  }
+
+  sockaddr_in addr;
+  memset(&addr, 0, sizeof(addr));
+  addr.sin_family = AF_INET;
+  addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+  addr.sin_port = htons(port);
+  status = bind(socket_,
+                reinterpret_cast<struct sockaddr *>(&addr),
+                sizeof (addr));
+  return status == 0;
+}
+
+
+bool MacOSSocket::Listen(int backlog) const {
+  if (!IsValid()) {
+    return false;
+  }
+
+  int status = listen(socket_, backlog);
+  return status == 0;
+}
+
+
+Socket* MacOSSocket::Accept() const {
+  if (!IsValid()) {
+    return NULL;
+  }
+
+  int socket = accept(socket_, NULL, NULL);
+  if (socket == -1) {
+    return NULL;
+  } else {
+    return new MacOSSocket(socket);
+  }
+}
+
+
+bool MacOSSocket::Connect(const char* host, const char* port) {
+  if (!IsValid()) {
+    return false;
+  }
+
+  // Lookup host and port.
+  struct addrinfo *result = NULL;
+  struct addrinfo hints;
+  memset(&hints, 0, sizeof(addrinfo));
+  hints.ai_family = AF_INET;
+  hints.ai_socktype = SOCK_STREAM;
+  hints.ai_protocol = IPPROTO_TCP;
+  int status = getaddrinfo(host, port, &hints, &result);
+  if (status != 0) {
+    return false;
+  }
+  
+  // Connect.
+  status = connect(socket_, result->ai_addr, result->ai_addrlen);
+  return status == 0;
+}
+
+
+int MacOSSocket::Send(const char* data, int len) const {
+  int status = send(socket_, data, len, 0);
+  return status;
+}
+
+
+bool MacOSSocket::SendAll(const char* data, int len) const {
+  int sent_len = 0;
+  while (sent_len < len) {
+    int status = Send(data, len);
+    if (status <= 0) {
+      return false;
+    }
+    sent_len += status;
+  }
+  return true;
+}
+
+
+int MacOSSocket::Receive(char* data, int len) const {
+  int status = recv(socket_, data, len, 0);
+  return status;
+}
+
+
+bool Socket::Setup() {
+  // Nothing to do on MacOS.
+  return true;
+}
+
+
+int Socket::LastError() {
+  return errno;
+}
+
+
+uint16_t Socket::HToN(uint16_t value) {
+  return htons(value);
+}
+
+
+uint16_t Socket::NToH(uint16_t value) {
+  return ntohs(value);
+}
+
+
+uint32_t Socket::HToN(uint32_t value) {
+  return htonl(value);
+}
+
+
+uint32_t Socket::NToH(uint32_t value) {
+  return ntohl(value);
+}
+
+
+Socket* OS::CreateSocket() {
+  return new MacOSSocket();
+}
+
+
 #ifdef ENABLE_LOGGING_AND_PROFILING
 
 static Sampler* active_sampler_ = NULL;
 
 static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
   USE(info);
   if (signal != SIGPROF) return;
   if (active_sampler_ == NULL) return;
 
   TickSample sample;
@@ skipping 80 matching lines @@
   }
 
   // This sampler is no longer the active sampler.
   active_sampler_ = NULL;
   active_ = false;
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal