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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
** Base class implementation for network access functions (ref: prnetdb.h)
*/
#include "rclock.h"
#include "rcnetdb.h"
#include <prmem.h>
#include <prlog.h>
#include <string.h>
RCNetAddr::RCNetAddr(const RCNetAddr& his): RCBase()
{ address = his.address; }
RCNetAddr::RCNetAddr(const RCNetAddr& his, PRUint16 port): RCBase()
{
address = his.address;
switch (address.raw.family)
{
case PR_AF_INET: address.inet.port = port; break;
case PR_AF_INET6: address.ipv6.port = port; break;
default: break;
}
} /* RCNetAddr::RCNetAddr */
RCNetAddr::RCNetAddr(RCNetAddr::HostValue host, PRUint16 port): RCBase()
{
PRNetAddrValue how;
switch (host)
{
case RCNetAddr::any: how = PR_IpAddrAny; break;
case RCNetAddr::loopback: how = PR_IpAddrLoopback; break;
default: PR_NOT_REACHED("This can't happen -- and did!");
}
(void)PR_InitializeNetAddr(how, port, &address);
} /* RCNetAddr::RCNetAddr */
RCNetAddr::~RCNetAddr() { }
void RCNetAddr::operator=(const RCNetAddr& his) { address = his.address; }
PRStatus RCNetAddr::FromString(const char* string)
{ return PR_StringToNetAddr(string, &address); }
void RCNetAddr::operator=(const PRNetAddr* addr) { address = *addr; }
PRBool RCNetAddr::operator==(const RCNetAddr& his) const
{
PRBool rv = EqualHost(his);
if (rv)
{
switch (address.raw.family)
{
case PR_AF_INET:
rv = (address.inet.port == his.address.inet.port); break;
case PR_AF_INET6:
rv = (address.ipv6.port == his.address.ipv6.port); break;
case PR_AF_LOCAL:
default: break;
}
}
return rv;
} /* RCNetAddr::operator== */
PRBool RCNetAddr::EqualHost(const RCNetAddr& his) const
{
PRBool rv;
switch (address.raw.family)
{
case PR_AF_INET:
rv = (address.inet.ip == his.address.inet.ip); break;
case PR_AF_INET6:
rv = (0 == memcmp(
&address.ipv6.ip, &his.address.ipv6.ip,
sizeof(address.ipv6.ip)));
break;
#if defined(XP_UNIX)
case PR_AF_LOCAL:
rv = (0 == strncmp(
address.local.path, his.address.local.path,
sizeof(address.local.path)));
break;
#endif
default: break;
}
return rv;
} /* RCNetAddr::operator== */
PRStatus RCNetAddr::ToString(char *string, PRSize size) const
{ return PR_NetAddrToString(&address, string, size); }
/*
** RCHostLookup
*/
RCHostLookup::~RCHostLookup()
{
if (NULL != address) delete [] address;
} /* RCHostLookup::~RCHostLookup */
RCHostLookup::RCHostLookup(): RCBase()
{
address = NULL;
max_index = 0;
} /* RCHostLookup::RCHostLookup */
PRStatus RCHostLookup::ByName(const char* name)
{
PRStatus rv;
PRNetAddr addr;
PRHostEnt hostentry;
PRIntn index = 0, max;
RCNetAddr* vector = NULL;
RCNetAddr* old_vector = NULL;
void* buffer = PR_Malloc(PR_NETDB_BUF_SIZE);
if (NULL == buffer) return PR_FAILURE;
rv = PR_GetHostByName(name, (char*)buffer, PR_NETDB_BUF_SIZE, &hostentry);
if (PR_SUCCESS == rv)
{
for (max = 0, index = 0;; ++max)
{
index = PR_EnumerateHostEnt(index, &hostentry, 0, &addr);
if (0 == index) break;
}
if (max > 0)
{
vector = new RCNetAddr[max];
while (--max > 0)
{
index = PR_EnumerateHostEnt(index, &hostentry, 0, &addr);
if (0 == index) break;
vector[index] = &addr;
}
{
RCEnter entry(&ml);
old_vector = address;
address = vector;
max_index = max;
}
if (NULL != old_vector) delete [] old_vector;
}
}
if (NULL != buffer) PR_DELETE(buffer);
return PR_SUCCESS;
} /* RCHostLookup::ByName */
PRStatus RCHostLookup::ByAddress(const RCNetAddr& host_addr)
{
PRStatus rv;
PRNetAddr addr;
PRHostEnt hostentry;
PRIntn index = 0, max;
RCNetAddr* vector = NULL;
RCNetAddr* old_vector = NULL;
char *buffer = (char*)PR_Malloc(PR_NETDB_BUF_SIZE);
if (NULL == buffer) return PR_FAILURE;
rv = PR_GetHostByAddr(host_addr, buffer, PR_NETDB_BUF_SIZE, &hostentry);
if (PR_SUCCESS == rv)
{
for (max = 0, index = 0;; ++max)
{
index = PR_EnumerateHostEnt(index, &hostentry, 0, &addr);
if (0 == index) break;
}
if (max > 0)
{
vector = new RCNetAddr[max];
while (--max > 0)
{
index = PR_EnumerateHostEnt(index, &hostentry, 0, &addr);
if (0 == index) break;
vector[index] = &addr;
}
{
RCEnter entry(&ml);
old_vector = address;
address = vector;
max_index = max;
}
if (NULL != old_vector) delete [] old_vector;
}
}
if (NULL != buffer) PR_DELETE(buffer);
return PR_SUCCESS;
} /* RCHostLookup::ByAddress */
const RCNetAddr* RCHostLookup::operator[](PRUintn which)
{
RCNetAddr* addr = NULL;
if (which < max_index)
addr = &address[which];
return addr;
} /* RCHostLookup::operator[] */
/* RCNetdb.cpp */
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