/*
- * Copyright 2016 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#pragma once
#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <netinet/in.h>
-#include <netdb.h>
#include <cstddef>
-#include <iostream>
+#include <iosfwd>
#include <string>
#include <folly/IPAddress.h>
#include <folly/Portability.h>
+#include <folly/Range.h>
+#include <folly/portability/Sockets.h>
namespace folly {
bool isLoopbackAddress() const;
void reset() {
- prepFamilyChange(AF_UNSPEC);
+ if (external_) {
+ storage_.un.free();
+ }
+ storage_.addr = folly::IPAddress();
+ external_ = false;
}
/**
return setFromHostPort(hostAndPort.c_str());
}
+ /**
+ * Returns the port number from the given socketaddr structure.
+ *
+ * Currently only IPv4 and IPv6 are supported.
+ *
+ * Returns -1 for unsupported socket families.
+ */
+ static int getPortFrom(const struct sockaddr* address);
+
+ /**
+ * Returns the family name from the given socketaddr structure (e.g.: AF_INET6
+ * for IPv6).
+ *
+ * Returns `defaultResult` for unsupported socket families.
+ */
+ static const char* getFamilyNameFrom(
+ const struct sockaddr* address,
+ const char* defaultResult = nullptr);
+
/**
* Initialize this SocketAddress from a local unix path.
*
* Raises std::invalid_argument on error.
*/
- void setFromPath(const char* path) {
- setFromPath(path, strlen(path));
- }
+ void setFromPath(StringPiece path);
- void setFromPath(const std::string& path) {
- setFromPath(path.data(), path.length());
+ void setFromPath(const char* path, size_t length) {
+ setFromPath(StringPiece{path, length});
}
- void setFromPath(const char* path, size_t length);
-
- // a typedef that allow us to compile against both winsock & POSIX sockets:
- using SocketDesc = decltype(socket(0,0,0)); // POSIX: int, winsock: unsigned
-
/**
* Initialize this SocketAddress from a socket's peer address.
*
* Raises std::system_error on error.
*/
- void setFromPeerAddress(SocketDesc socket);
+ void setFromPeerAddress(int socket);
/**
* Initialize this SocketAddress from a socket's local address.
*
* Raises std::system_error on error.
*/
- void setFromLocalAddress(SocketDesc socket);
+ void setFromLocalAddress(int socket);
/**
* Initialize this folly::SocketAddress from a struct sockaddr.
sa_family_t getFamily() const {
DCHECK(external_ || AF_UNIX != storage_.addr.family());
- return external_ ? AF_UNIX : storage_.addr.family();
+ return external_ ? sa_family_t(AF_UNIX) : storage_.addr.family();
}
bool empty() const {
*/
void getAddressStr(char* buf, size_t buflen) const;
+ /**
+ * Return true if it is a valid IPv4 or IPv6 address.
+ */
+ bool isFamilyInet() const;
+
/**
* For v4 & v6 addresses, return the fully qualified address string
*/
static constexpr uint64_t kMagic = 0x1234faceb00c;
socklen_t pathLength() const {
- return len - offsetof(struct sockaddr_un, sun_path);
+ return socklen_t(len - offsetof(struct sockaddr_un, sun_path));
}
void init() {
addr = new sockaddr_un;
magic = kMagic;
len = other.len;
- memcpy(addr, other.addr, len);
+ memcpy(addr, other.addr, size_t(len));
// Fill the rest with 0s, just for safety
memset(reinterpret_cast<char*>(addr) + len, 0,
sizeof(struct sockaddr_un) - len);
void copy(const ExternalUnixAddr &other) {
CHECK(magic == kMagic);
len = other.len;
- memcpy(addr, other.addr, len);
+ memcpy(addr, other.addr, size_t(len));
}
void free() {
CHECK(magic == kMagic);
}
};
- // a typedef that allow us to compile against both winsock & POSIX sockets:
- // (both arg types and calling conventions differ for both)
- // POSIX: void setFromSocket(int socket,
- // int(*fn)(int, struct sockaddr*, socklen_t*));
- // mingw: void setFromSocket(unsigned socket,
- // int(*fn)(unsigned, struct sockaddr*, socklen_t*));
- using GetPeerNameFunc = decltype(getpeername);
-
struct addrinfo* getAddrInfo(const char* host, uint16_t port, int flags);
struct addrinfo* getAddrInfo(const char* host, const char* port, int flags);
void setFromAddrInfo(const struct addrinfo* results);
void setFromLocalAddr(const struct addrinfo* results);
- void setFromSocket(SocketDesc socket, GetPeerNameFunc fn);
+ void setFromSocket(int socket, int (*fn)(int, struct sockaddr*, socklen_t*));
std::string getIpString(int flags) const;
void getIpString(char *buf, size_t buflen, int flags) const;
void updateUnixAddressLength(socklen_t addrlen);
- void prepFamilyChange(sa_family_t newFamily) {
- if (newFamily != AF_UNIX) {
- if (external_) {
- storage_.un.free();
- storage_.addr = folly::IPAddress();
- }
- external_ = false;
- } else {
- if (!external_) {
- storage_.un.init();
- }
- external_ = true;
- }
- }
-
/*
* storage_ contains room for a full IPv4 or IPv6 address, so they can be
* stored inline without a separate allocation on the heap.
* If we need to store a Unix socket address, ExternalUnixAddr is a shim to
* track a struct sockaddr_un allocated separately on the heap.
*/
- union {
- folly::IPAddress addr{};
+ union AddrStorage {
+ folly::IPAddress addr;
ExternalUnixAddr un;
+ AddrStorage() : addr() {}
} storage_{};
// IPAddress class does nto save zone or port, and must be saved here
uint16_t port_;
projects / folly.git / blobdiff