clang-format runtime/bin

runtime/bin/socket_linux.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #if !defined(DART_IO_DISABLED)
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "bin/socket.h"
 #include "bin/socket_linux.h"
 
-#include <errno.h>  // NOLINT
-#include <ifaddrs.h>  // NOLINT
-#include <net/if.h>  // NOLINT
+#include <errno.h>        // NOLINT
+#include <ifaddrs.h>      // NOLINT
+#include <net/if.h>       // NOLINT
 #include <netinet/tcp.h>  // NOLINT
-#include <stdio.h>  // NOLINT
-#include <stdlib.h>  // NOLINT
-#include <string.h>  // NOLINT
-#include <sys/stat.h>  // NOLINT
-#include <unistd.h>  // NOLINT
+#include <stdio.h>        // NOLINT
+#include <stdlib.h>       // NOLINT
+#include <string.h>       // NOLINT
+#include <sys/stat.h>     // NOLINT
+#include <unistd.h>       // NOLINT
 
 #include "bin/fdutils.h"
 #include "bin/file.h"
 #include "bin/thread.h"
 #include "platform/signal_blocker.h"
 
 namespace dart {
 namespace bin {
 
 SocketAddress::SocketAddress(struct sockaddr* sa) {
   ASSERT(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN);
-  if (!Socket::FormatNumericAddress(
-          *reinterpret_cast<RawAddr*>(sa), as_string_, INET6_ADDRSTRLEN)) {
+  if (!Socket::FormatNumericAddress(*reinterpret_cast<RawAddr*>(sa), as_string_,
+                                    INET6_ADDRSTRLEN)) {
     as_string_[0] = 0;
   }
   socklen_t salen = GetAddrLength(*reinterpret_cast<RawAddr*>(sa));
-  memmove(reinterpret_cast<void *>(&addr_), sa, salen);
+  memmove(reinterpret_cast<void*>(&addr_), sa, salen);
 }
 
 
 bool Socket::FormatNumericAddress(const RawAddr& addr, char* address, int len) {
   socklen_t salen = SocketAddress::GetAddrLength(addr);
-  return (NO_RETRY_EXPECTED(getnameinfo(
-      &addr.addr, salen, address, len, NULL, 0, NI_NUMERICHOST) == 0));
+  return (NO_RETRY_EXPECTED(getnameinfo(&addr.addr, salen, address, len, NULL,
+                                        0, NI_NUMERICHOST) == 0));
 }
 
 
 bool Socket::Initialize() {
   // Nothing to do on Linux.
   return true;
 }
 
 
 static intptr_t Create(const RawAddr& addr) {
@@ skipping 40 matching lines @@
     VOID_TEMP_FAILURE_RETRY(close(fd));
     return -1;
   }
 
   return Connect(fd, addr);
 }
 
 
 bool Socket::IsBindError(intptr_t error_number) {
   return error_number == EADDRINUSE || error_number == EADDRNOTAVAIL ||
-      error_number == EINVAL;
+         error_number == EINVAL;
 }
 
 
 intptr_t Socket::Available(intptr_t fd) {
   return FDUtils::AvailableBytes(fd);
 }
 
 
 intptr_t Socket::Read(intptr_t fd, void* buffer, intptr_t num_bytes) {
   ASSERT(fd >= 0);
   ssize_t read_bytes = TEMP_FAILURE_RETRY(read(fd, buffer, num_bytes));
   ASSERT(EAGAIN == EWOULDBLOCK);
   if ((read_bytes == -1) && (errno == EWOULDBLOCK)) {
     // If the read would block we need to retry and therefore return 0
     // as the number of bytes written.
     read_bytes = 0;
   }
   return read_bytes;
 }
 
 
-intptr_t Socket::RecvFrom(
-    intptr_t fd, void* buffer, intptr_t num_bytes, RawAddr* addr) {
+intptr_t Socket::RecvFrom(intptr_t fd,
+                          void* buffer,
+                          intptr_t num_bytes,
+                          RawAddr* addr) {
   ASSERT(fd >= 0);
   socklen_t addr_len = sizeof(addr->ss);
   ssize_t read_bytes = TEMP_FAILURE_RETRY(
       recvfrom(fd, buffer, num_bytes, 0, &addr->addr, &addr_len));
   if ((read_bytes == -1) && (errno == EWOULDBLOCK)) {
     // If the read would block we need to retry and therefore return 0
     // as the number of bytes written.
     read_bytes = 0;
   }
   return read_bytes;
 }
 
 
 intptr_t Socket::Write(intptr_t fd, const void* buffer, intptr_t num_bytes) {
   ASSERT(fd >= 0);
   ssize_t written_bytes = TEMP_FAILURE_RETRY(write(fd, buffer, num_bytes));
   ASSERT(EAGAIN == EWOULDBLOCK);
   if ((written_bytes == -1) && (errno == EWOULDBLOCK)) {
     // If the would block we need to retry and therefore return 0 as
     // the number of bytes written.
     written_bytes = 0;
   }
   return written_bytes;
 }
 
 
-intptr_t Socket::SendTo(
-    intptr_t fd, const void* buffer, intptr_t num_bytes, const RawAddr& addr) {
+intptr_t Socket::SendTo(intptr_t fd,
+                        const void* buffer,
+                        intptr_t num_bytes,
+                        const RawAddr& addr) {
   ASSERT(fd >= 0);
-  ssize_t written_bytes = TEMP_FAILURE_RETRY(
-      sendto(fd, buffer, num_bytes, 0,
-             &addr.addr, SocketAddress::GetAddrLength(addr)));
+  ssize_t written_bytes =
+      TEMP_FAILURE_RETRY(sendto(fd, buffer, num_bytes, 0, &addr.addr,
+                                SocketAddress::GetAddrLength(addr)));
   ASSERT(EAGAIN == EWOULDBLOCK);
   if ((written_bytes == -1) && (errno == EWOULDBLOCK)) {
     // If the would block we need to retry and therefore return 0 as
     // the number of bytes written.
     written_bytes = 0;
   }
   return written_bytes;
 }
 
 
@@ skipping 16 matching lines @@
     return NULL;
   }
   *port = SocketAddress::GetAddrPort(raw);
   return new SocketAddress(&raw.addr);
 }
 
 
 void Socket::GetError(intptr_t fd, OSError* os_error) {
   int len = sizeof(errno);
   int err = 0;
-  VOID_NO_RETRY_EXPECTED(getsockopt(
-      fd, SOL_SOCKET, SO_ERROR, &err, reinterpret_cast<socklen_t*>(&len)));
+  VOID_NO_RETRY_EXPECTED(getsockopt(fd, SOL_SOCKET, SO_ERROR, &err,
+                                    reinterpret_cast<socklen_t*>(&len)));
   errno = err;
   os_error->SetCodeAndMessage(OSError::kSystem, errno);
 }
 
 
 int Socket::GetType(intptr_t fd) {
   struct stat64 buf;
   int result = TEMP_FAILURE_RETRY(fstat64(fd, &buf));
   if (result == -1) {
     return -1;
@@ skipping 28 matching lines @@
   hints.ai_protocol = IPPROTO_TCP;
   struct addrinfo* info = NULL;
   int status = NO_RETRY_EXPECTED(getaddrinfo(host, 0, &hints, &info));
   if (status != 0) {
     // We failed, try without AI_ADDRCONFIG. This can happen when looking up
     // e.g. '::1', when there are no global IPv6 addresses.
     hints.ai_flags = 0;
     status = NO_RETRY_EXPECTED(getaddrinfo(host, 0, &hints, &info));
     if (status != 0) {
       ASSERT(*os_error == NULL);
-      *os_error = new OSError(status,
-                              gai_strerror(status),
-                              OSError::kGetAddressInfo);
+      *os_error =
+          new OSError(status, gai_strerror(status), OSError::kGetAddressInfo);
       return NULL;
     }
   }
   intptr_t count = 0;
   for (struct addrinfo* c = info; c != NULL; c = c->ai_next) {
     if ((c->ai_family == AF_INET) || (c->ai_family == AF_INET6)) {
       count++;
     }
   }
   intptr_t i = 0;
   AddressList<SocketAddress>* addresses = new AddressList<SocketAddress>(count);
   for (struct addrinfo* c = info; c != NULL; c = c->ai_next) {
     if ((c->ai_family == AF_INET) || (c->ai_family == AF_INET6)) {
       addresses->SetAt(i, new SocketAddress(c->ai_addr));
       i++;
     }
   }
   freeaddrinfo(info);
   return addresses;
 }
 
 
 bool Socket::ReverseLookup(const RawAddr& addr,
                            char* host,
                            intptr_t host_len,
                            OSError** os_error) {
   ASSERT(host_len >= NI_MAXHOST);
-  int status = NO_RETRY_EXPECTED(getnameinfo(
-      &addr.addr,
-      SocketAddress::GetAddrLength(addr),
-      host,
-      host_len,
-      NULL,
-      0,
-      NI_NAMEREQD));
+  int status = NO_RETRY_EXPECTED(
+      getnameinfo(&addr.addr, SocketAddress::GetAddrLength(addr), host,
+                  host_len, NULL, 0, NI_NAMEREQD));
   if (status != 0) {
     ASSERT(*os_error == NULL);
-    *os_error = new OSError(status,
-                            gai_strerror(status),
-                            OSError::kGetAddressInfo);
+    *os_error =
+        new OSError(status, gai_strerror(status), OSError::kGetAddressInfo);
     return false;
   }
   return true;
 }
 
 
 bool Socket::ParseAddress(int type, const char* address, RawAddr* addr) {
   int result;
   if (type == SocketAddress::TYPE_IPV4) {
     result = NO_RETRY_EXPECTED(inet_pton(AF_INET, address, &addr->in.sin_addr));
   } else {
     ASSERT(type == SocketAddress::TYPE_IPV6);
-    result = NO_RETRY_EXPECTED(
-        inet_pton(AF_INET6, address, &addr->in6.sin6_addr));
+    result =
+        NO_RETRY_EXPECTED(inet_pton(AF_INET6, address, &addr->in6.sin6_addr));
   }
   return (result == 1);
 }
 
 
 intptr_t Socket::CreateBindDatagram(const RawAddr& addr, bool reuseAddress) {
   intptr_t fd;
 
   fd = NO_RETRY_EXPECTED(socket(addr.addr.sa_family,
-                         SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK,
-                         IPPROTO_UDP));
+                                SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK,
+                                IPPROTO_UDP));
   if (fd < 0) {
     return -1;
   }
 
   if (reuseAddress) {
     int optval = 1;
     VOID_NO_RETRY_EXPECTED(
         setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)));
   }
 
   if (NO_RETRY_EXPECTED(
           bind(fd, &addr.addr, SocketAddress::GetAddrLength(addr))) < 0) {
     VOID_TEMP_FAILURE_RETRY(close(fd));
     return -1;
   }
   return fd;
 }
 
 
 static bool ShouldIncludeIfaAddrs(struct ifaddrs* ifa, int lookup_family) {
   if (ifa->ifa_addr == NULL) {
     // OpenVPN's virtual device tun0.
     return false;
   }
   int family = ifa->ifa_addr->sa_family;
   return ((lookup_family == family) ||
-         (((lookup_family == AF_UNSPEC) &&
-          ((family == AF_INET) || (family == AF_INET6)))));
+          (((lookup_family == AF_UNSPEC) &&
+            ((family == AF_INET) || (family == AF_INET6)))));
 }
 
 
 bool Socket::ListInterfacesSupported() {
   return true;
 }
 
 
 AddressList<InterfaceSocketAddress>* Socket::ListInterfaces(
     int type,
     OSError** os_error) {
   struct ifaddrs* ifaddr;
 
   int status = NO_RETRY_EXPECTED(getifaddrs(&ifaddr));
   if (status != 0) {
     ASSERT(*os_error == NULL);
-    *os_error = new OSError(status,
-                            gai_strerror(status),
-                            OSError::kGetAddressInfo);
+    *os_error =
+        new OSError(status, gai_strerror(status), OSError::kGetAddressInfo);
     return NULL;
   }
 
   int lookup_family = SocketAddress::FromType(type);
 
   intptr_t count = 0;
   for (struct ifaddrs* ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
     if (ShouldIncludeIfaAddrs(ifa, lookup_family)) {
       count++;
     }
   }
 
   AddressList<InterfaceSocketAddress>* addresses =
       new AddressList<InterfaceSocketAddress>(count);
   int i = 0;
   for (struct ifaddrs* ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
     if (ShouldIncludeIfaAddrs(ifa, lookup_family)) {
       char* ifa_name = DartUtils::ScopedCopyCString(ifa->ifa_name);
-      addresses->SetAt(i, new InterfaceSocketAddress(
-          ifa->ifa_addr, ifa_name, if_nametoindex(ifa->ifa_name)));
+      addresses->SetAt(
+          i, new InterfaceSocketAddress(ifa->ifa_addr, ifa_name,
+                                        if_nametoindex(ifa->ifa_name)));
       i++;
     }
   }
   freeifaddrs(ifaddr);
   return addresses;
 }
 
 
 intptr_t ServerSocket::CreateBindListen(const RawAddr& addr,
                                         intptr_t backlog,
@@ skipping 46 matching lines @@
 bool ServerSocket::StartAccept(intptr_t fd) {
   USE(fd);
   return true;
 }
 
 
 static bool IsTemporaryAcceptError(int error) {
   // On Linux a number of protocol errors should be treated as EAGAIN.
   // These are the ones for TCP/IP.
   return (error == EAGAIN) || (error == ENETDOWN) || (error == EPROTO) ||
-      (error == ENOPROTOOPT) || (error == EHOSTDOWN) || (error == ENONET) ||
-      (error == EHOSTUNREACH) || (error == EOPNOTSUPP) ||
-      (error == ENETUNREACH);
+         (error == ENOPROTOOPT) || (error == EHOSTDOWN) || (error == ENONET) ||
+         (error == EHOSTUNREACH) || (error == EOPNOTSUPP) ||
+         (error == ENETUNREACH);
 }
 
 
 intptr_t ServerSocket::Accept(intptr_t fd) {
   intptr_t socket;
   struct sockaddr clientaddr;
   socklen_t addrlen = sizeof(clientaddr);
   socket = TEMP_FAILURE_RETRY(accept(fd, &clientaddr, &addrlen));
   if (socket == -1) {
     if (IsTemporaryAcceptError(errno)) {
@@ skipping 13 matching lines @@
 
 void Socket::Close(intptr_t fd) {
   ASSERT(fd >= 0);
   VOID_TEMP_FAILURE_RETRY(close(fd));
 }
 
 
 bool Socket::GetNoDelay(intptr_t fd, bool* enabled) {
   int on;
   socklen_t len = sizeof(on);
-  int err = NO_RETRY_EXPECTED(getsockopt(
-      fd, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<void *>(&on), &len));
+  int err = NO_RETRY_EXPECTED(getsockopt(fd, IPPROTO_TCP, TCP_NODELAY,
+                                         reinterpret_cast<void*>(&on), &len));
   if (err == 0) {
     *enabled = (on == 1);
   }
   return (err == 0);
 }
 
 
 bool Socket::SetNoDelay(intptr_t fd, bool enabled) {
   int on = enabled ? 1 : 0;
-  return NO_RETRY_EXPECTED(setsockopt(fd,
-                           IPPROTO_TCP,
-                           TCP_NODELAY,
-                           reinterpret_cast<char *>(&on),
-                           sizeof(on))) == 0;
+  return NO_RETRY_EXPECTED(setsockopt(fd, IPPROTO_TCP, TCP_NODELAY,
+                                      reinterpret_cast<char*>(&on),
+                                      sizeof(on))) == 0;
 }
 
 
 bool Socket::GetMulticastLoop(intptr_t fd, intptr_t protocol, bool* enabled) {
   uint8_t on;
   socklen_t len = sizeof(on);
   int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6;
-  int optname = protocol == SocketAddress::TYPE_IPV4
-      ? IP_MULTICAST_LOOP : IPV6_MULTICAST_LOOP;
-  if (NO_RETRY_EXPECTED(getsockopt(
-        fd, level, optname, reinterpret_cast<char *>(&on), &len)) == 0) {
+  int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_LOOP
+                                                     : IPV6_MULTICAST_LOOP;
+  if (NO_RETRY_EXPECTED(getsockopt(fd, level, optname,
+                                   reinterpret_cast<char*>(&on), &len)) == 0) {
     *enabled = (on == 1);
     return true;
   }
   return false;
 }
 
 
 bool Socket::SetMulticastLoop(intptr_t fd, intptr_t protocol, bool enabled) {
   int on = enabled ? 1 : 0;
   int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6;
-  int optname = protocol == SocketAddress::TYPE_IPV4
-      ? IP_MULTICAST_LOOP : IPV6_MULTICAST_LOOP;
+  int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_LOOP
+                                                     : IPV6_MULTICAST_LOOP;
   return NO_RETRY_EXPECTED(setsockopt(
-      fd, level, optname, reinterpret_cast<char *>(&on), sizeof(on))) == 0;
+             fd, level, optname, reinterpret_cast<char*>(&on), sizeof(on))) ==
+         0;
 }
 
 
 bool Socket::GetMulticastHops(intptr_t fd, intptr_t protocol, int* value) {
   uint8_t v;
   socklen_t len = sizeof(v);
   int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6;
-  int optname = protocol == SocketAddress::TYPE_IPV4
-      ? IP_MULTICAST_TTL : IPV6_MULTICAST_HOPS;
-  if (NO_RETRY_EXPECTED(getsockopt(
-          fd, level, optname, reinterpret_cast<char *>(&v), &len)) == 0) {
+  int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_TTL
+                                                     : IPV6_MULTICAST_HOPS;
+  if (NO_RETRY_EXPECTED(getsockopt(fd, level, optname,
+                                   reinterpret_cast<char*>(&v), &len)) == 0) {
     *value = v;
     return true;
   }
   return false;
 }
 
 
 bool Socket::SetMulticastHops(intptr_t fd, intptr_t protocol, int value) {
   int v = value;
   int level = protocol == SocketAddress::TYPE_IPV4 ? IPPROTO_IP : IPPROTO_IPV6;
-  int optname = protocol == SocketAddress::TYPE_IPV4
-      ? IP_MULTICAST_TTL : IPV6_MULTICAST_HOPS;
+  int optname = protocol == SocketAddress::TYPE_IPV4 ? IP_MULTICAST_TTL
+                                                     : IPV6_MULTICAST_HOPS;
   return NO_RETRY_EXPECTED(setsockopt(
-      fd, level, optname, reinterpret_cast<char *>(&v), sizeof(v))) == 0;
+             fd, level, optname, reinterpret_cast<char*>(&v), sizeof(v))) == 0;
 }
 
 
 bool Socket::GetBroadcast(intptr_t fd, bool* enabled) {
   int on;
   socklen_t len = sizeof(on);
-  int err = NO_RETRY_EXPECTED(getsockopt(
-      fd, SOL_SOCKET, SO_BROADCAST, reinterpret_cast<char *>(&on), &len));
+  int err = NO_RETRY_EXPECTED(getsockopt(fd, SOL_SOCKET, SO_BROADCAST,
+                                         reinterpret_cast<char*>(&on), &len));
   if (err == 0) {
     *enabled = (on == 1);
   }
   return (err == 0);
 }
 
 
 bool Socket::SetBroadcast(intptr_t fd, bool enabled) {
   int on = enabled ? 1 : 0;
-  return NO_RETRY_EXPECTED(setsockopt(fd,
-                           SOL_SOCKET,
-                           SO_BROADCAST,
-                           reinterpret_cast<char *>(&on),
-                           sizeof(on))) == 0;
+  return NO_RETRY_EXPECTED(setsockopt(fd, SOL_SOCKET, SO_BROADCAST,
+                                      reinterpret_cast<char*>(&on),
+                                      sizeof(on))) == 0;
 }
 
 
-bool Socket::JoinMulticast(
-    intptr_t fd, const RawAddr& addr, const RawAddr&, int interfaceIndex) {
+bool Socket::JoinMulticast(intptr_t fd,
+                           const RawAddr& addr,
+                           const RawAddr&,
+                           int interfaceIndex) {
   int proto = addr.addr.sa_family == AF_INET ? IPPROTO_IP : IPPROTO_IPV6;
   struct group_req mreq;
   mreq.gr_interface = interfaceIndex;
   memmove(&mreq.gr_group, &addr.ss, SocketAddress::GetAddrLength(addr));
   return NO_RETRY_EXPECTED(
-      setsockopt(fd, proto, MCAST_JOIN_GROUP, &mreq, sizeof(mreq))) == 0;
+             setsockopt(fd, proto, MCAST_JOIN_GROUP, &mreq, sizeof(mreq))) == 0;
 }
 
 
-bool Socket::LeaveMulticast(
-    intptr_t fd, const RawAddr& addr, const RawAddr&, int interfaceIndex) {
+bool Socket::LeaveMulticast(intptr_t fd,
+                            const RawAddr& addr,
+                            const RawAddr&,
+                            int interfaceIndex) {
   int proto = addr.addr.sa_family == AF_INET ? IPPROTO_IP : IPPROTO_IPV6;
   struct group_req mreq;
   mreq.gr_interface = interfaceIndex;
   memmove(&mreq.gr_group, &addr.ss, SocketAddress::GetAddrLength(addr));
-  return NO_RETRY_EXPECTED(
-      setsockopt(fd, proto, MCAST_LEAVE_GROUP, &mreq, sizeof(mreq))) == 0;
+  return NO_RETRY_EXPECTED(setsockopt(fd, proto, MCAST_LEAVE_GROUP, &mreq,
+                                      sizeof(mreq))) == 0;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)
 
 #endif  // !defined(DART_IO_DISABLED)