diff options
Diffstat (limited to 'net/base/address_list.h')
| -rw-r--r-- | net/base/address_list.h | 136 |
1 files changed, 47 insertions, 89 deletions
diff --git a/net/base/address_list.h b/net/base/address_list.h index edcdf09..c76152f 100644 --- a/net/base/address_list.h +++ b/net/base/address_list.h @@ -7,8 +7,10 @@ #pragma once #include <string> +#include <vector> -#include "base/memory/ref_counted.h" +#include "base/basictypes.h" +#include "net/base/ip_endpoint.h" #include "net/base/net_export.h" #include "net/base/net_util.h" @@ -16,106 +18,62 @@ struct addrinfo; namespace net { -// An AddressList object contains a linked list of addrinfo structures. This -// class is designed to be copied around by value. -class NET_EXPORT AddressList { +class NET_EXPORT AddressList : private std::vector<IPEndPoint> { public: - // Constructs an invalid address list. Should not call any methods on this - // other than assignment. AddressList(); - - AddressList(const AddressList& addresslist); ~AddressList(); - AddressList& operator=(const AddressList& addresslist); - // Creates an address list for a list of IP literals. + // Creates an address list for a single IP literal. + explicit AddressList(const IPEndPoint& endpoint); + + static AddressList CreateFromIPAddress(const IPAddressNumber& address, + uint16 port); + static AddressList CreateFromIPAddressList( const IPAddressList& addresses, const std::string& canonical_name); - // Creates an address list for a single IP literal. - static AddressList CreateFromIPAddress( - const IPAddressNumber& address, - uint16 port); - - // Creates an address list for a single IP literal. If - // |canonicalize_name| is true, fill the ai_canonname field with the - // canonicalized IP address. - static AddressList CreateFromIPAddressWithCname( - const IPAddressNumber& address, - uint16 port, - bool canonicalize_name); - - // Adopts the given addrinfo list (assumed to have been created by - // the system, e.g. returned by getaddrinfo()) in place of the - // existing one if any. This hands over responsibility for freeing - // the addrinfo list to the AddressList object. - static AddressList CreateByAdoptingFromSystem(struct addrinfo* head); - - // Creates a new address list with a copy of |head|. This includes the - // entire linked list. - static AddressList CreateByCopying(const struct addrinfo* head); - - // Creates a new address list wich has a single address, |head|. If there - // are other addresses in |head| they will be ignored. - static AddressList CreateByCopyingFirstAddress(const struct addrinfo* head); - - // Creates an address list for a single socket address. - // |address| the sockaddr to copy. - // |socket_type| is either SOCK_STREAM or SOCK_DGRAM. - // |protocol| is either IPPROTO_TCP or IPPROTO_UDP. - static AddressList CreateFromSockaddr( - const struct sockaddr* address, - socklen_t address_length, - int socket_type, - int protocol); - - // Appends a copy of |head| and all its linked addrinfos to the stored - // addrinfo. Note that this will cause a reallocation of the linked list, - // which invalidates the head pointer. - void Append(const struct addrinfo* head); - - // Sets the port of all addresses in the list to |port| (that is the - // sin[6]_port field for the sockaddrs). Note that this will cause a - // reallocation of the linked list, which invalidates the head pointer. - void SetPort(uint16 port); - - // Retrieves the port number of the first sockaddr in the list. (If SetPort() - // was previously used on this list, then all the addresses will have this - // same port number.) - uint16 GetPort() const; - - // Gets the canonical name for the address. - // If the canonical name exists, |*canonical_name| is filled in with the - // value and true is returned. If it does not exist, |*canonical_name| is - // not altered and false is returned. - // |canonical_name| must be a non-null value. - bool GetCanonicalName(std::string* canonical_name) const; - - // Gets access to the head of the addrinfo list. - // - // IMPORTANT: Callers SHOULD NOT mutate the addrinfo chain, since under the - // hood this data might be shared by other AddressLists, which - // might even be running on other threads. - // - // Additionally, non-const methods like SetPort() and Append() can - // cause the head to be reallocated, so do not cache the return - // value of head() across such calls. - const struct addrinfo* head() const; + // Copies the data from |head| and the chained list into an AddressList. + static AddressList CreateFromAddrinfo(const struct addrinfo* head); + + // TODO(szym): Remove all three. http://crbug.com/126134 + const std::string& canonical_name() const { + return canonical_name_; + } + + void set_canonical_name(const std::string& canonical_name) { + canonical_name_ = canonical_name; + } + + // Sets canonical name to the literal of the first IP address on the list. + void SetDefaultCanonicalName(); + + // Exposed methods from std::vector. + using std::vector<IPEndPoint>::size; + using std::vector<IPEndPoint>::empty; + using std::vector<IPEndPoint>::clear; + using std::vector<IPEndPoint>::reserve; + using std::vector<IPEndPoint>::capacity; + using std::vector<IPEndPoint>::operator[]; + using std::vector<IPEndPoint>::front; + using std::vector<IPEndPoint>::back; + using std::vector<IPEndPoint>::push_back; + using std::vector<IPEndPoint>::insert; + using std::vector<IPEndPoint>::erase; + using std::vector<IPEndPoint>::iterator; + using std::vector<IPEndPoint>::const_iterator; + using std::vector<IPEndPoint>::begin; + using std::vector<IPEndPoint>::end; + using std::vector<IPEndPoint>::rbegin; + using std::vector<IPEndPoint>::rend; private: - struct Data; - - explicit AddressList(Data* data); - - scoped_refptr<Data> data_; + // TODO(szym): Remove. http://crbug.com/126134 + std::string canonical_name_; }; -// Helper to create an AddressList that has a particular port. It has an -// optimization to avoid allocating a new address linked list when the -// port is already what we want. -AddressList NET_EXPORT CreateAddressListUsingPort(const AddressList& src, - int port); +// Sets the port on each element in |list| to |port|. +void NET_EXPORT SetPortOnAddressList(uint16 port, AddressList* list); } // namespace net |