gecko-dev/netwerk/ipc/NeckoMessageUtils.h

152 lines
5.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; 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/. */
#ifndef mozilla_net_NeckoMessageUtils_h
#define mozilla_net_NeckoMessageUtils_h
#include "mozilla/DebugOnly.h"
#include "ipc/IPCMessageUtils.h"
#include "nsStringGlue.h"
#include "prio.h"
#include "mozilla/net/DNS.h"
namespace IPC {
// nsIPermissionManager utilities
struct Permission
{
nsCString host, type;
uint32_t capability, expireType;
int64_t expireTime;
uint32_t appId;
bool isInBrowserElement;
Permission() { }
Permission(const nsCString& aHost,
const uint32_t aAppId,
const bool aIsInBrowserElement,
const nsCString& aType,
const uint32_t aCapability,
const uint32_t aExpireType,
const int64_t aExpireTime) : host(aHost),
type(aType),
capability(aCapability),
expireType(aExpireType),
expireTime(aExpireTime),
appId(aAppId),
isInBrowserElement(aIsInBrowserElement)
{}
};
template<>
struct ParamTraits<Permission>
{
static void Write(Message* aMsg, const Permission& aParam)
{
WriteParam(aMsg, aParam.host);
WriteParam(aMsg, aParam.type);
WriteParam(aMsg, aParam.capability);
WriteParam(aMsg, aParam.expireType);
WriteParam(aMsg, aParam.expireTime);
WriteParam(aMsg, aParam.appId);
WriteParam(aMsg, aParam.isInBrowserElement);
}
static bool Read(const Message* aMsg, void** aIter, Permission* aResult)
{
return ReadParam(aMsg, aIter, &aResult->host) &&
ReadParam(aMsg, aIter, &aResult->type) &&
ReadParam(aMsg, aIter, &aResult->capability) &&
ReadParam(aMsg, aIter, &aResult->expireType) &&
ReadParam(aMsg, aIter, &aResult->expireTime) &&
ReadParam(aMsg, aIter, &aResult->appId) &&
ReadParam(aMsg, aIter, &aResult->isInBrowserElement);
}
static void Log(const Permission& p, std::wstring* l)
{
l->append(L"(");
LogParam(p.host, l);
l->append(L", ");
LogParam(p.appId, l);
l->append(L", ");
LogParam(p.isInBrowserElement, l);
l->append(L", ");
LogParam(p.capability, l);
l->append(L", ");
LogParam(p.expireTime, l);
l->append(L", ");
LogParam(p.expireType, l);
l->append(L")");
}
};
template<>
struct ParamTraits<mozilla::net::NetAddr>
{
static void Write(Message* aMsg, const mozilla::net::NetAddr &aParam)
{
WriteParam(aMsg, aParam.raw.family);
if (aParam.raw.family == AF_UNSPEC) {
aMsg->WriteBytes(aParam.raw.data, sizeof(aParam.raw.data));
} else if (aParam.raw.family == AF_INET) {
WriteParam(aMsg, aParam.inet.port);
WriteParam(aMsg, aParam.inet.ip);
} else if (aParam.raw.family == AF_INET6) {
WriteParam(aMsg, aParam.inet6.port);
WriteParam(aMsg, aParam.inet6.flowinfo);
WriteParam(aMsg, aParam.inet6.ip.u64[0]);
WriteParam(aMsg, aParam.inet6.ip.u64[1]);
WriteParam(aMsg, aParam.inet6.scope_id);
#if defined(XP_UNIX) || defined(XP_OS2)
} else if (aParam.raw.family == AF_LOCAL) {
// Train's already off the rails: let's get a stack trace at least...
NS_RUNTIMEABORT("Error: please post stack trace to "
"https://bugzilla.mozilla.org/show_bug.cgi?id=661158");
aMsg->WriteBytes(aParam.local.path, sizeof(aParam.local.path));
#endif
}
/* If we get here without hitting any of the cases above, there's not much
* we can do but let the deserializer fail when it gets this message */
}
static bool Read(const Message* aMsg, void** aIter, mozilla::net::NetAddr* aResult)
{
if (!ReadParam(aMsg, aIter, &aResult->raw.family))
return false;
if (aResult->raw.family == AF_UNSPEC) {
return aMsg->ReadBytes(aIter,
reinterpret_cast<const char**>(&aResult->raw.data),
sizeof(aResult->raw.data));
} else if (aResult->raw.family == AF_INET) {
return ReadParam(aMsg, aIter, &aResult->inet.port) &&
ReadParam(aMsg, aIter, &aResult->inet.ip);
} else if (aResult->raw.family == AF_INET6) {
return ReadParam(aMsg, aIter, &aResult->inet6.port) &&
ReadParam(aMsg, aIter, &aResult->inet6.flowinfo) &&
ReadParam(aMsg, aIter, &aResult->inet6.ip.u64[0]) &&
ReadParam(aMsg, aIter, &aResult->inet6.ip.u64[1]) &&
ReadParam(aMsg, aIter, &aResult->inet6.scope_id);
#if defined(XP_UNIX) || defined(XP_OS2)
} else if (aResult->raw.family == AF_LOCAL) {
return aMsg->ReadBytes(aIter,
reinterpret_cast<const char**>(&aResult->local.path),
sizeof(aResult->local.path));
#endif
}
/* We've been tricked by some socket family we don't know about! */
return false;
}
};
}
#endif // mozilla_net_NeckoMessageUtils_h