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Diffstat (limited to 'cpp/src/qpid/sys/posix/Socket.cpp')
-rw-r--r--cpp/src/qpid/sys/posix/Socket.cpp171
1 files changed, 93 insertions, 78 deletions
diff --git a/cpp/src/qpid/sys/posix/Socket.cpp b/cpp/src/qpid/sys/posix/Socket.cpp
index 4a6dc66f80..7b906f33e8 100644
--- a/cpp/src/qpid/sys/posix/Socket.cpp
+++ b/cpp/src/qpid/sys/posix/Socket.cpp
@@ -7,9 +7,9 @@
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@@ -34,35 +34,65 @@
#include <netdb.h>
#include <cstdlib>
#include <string.h>
+#include <iostream>
+
+#include <boost/format.hpp>
+#include <boost/lexical_cast.hpp>
namespace qpid {
namespace sys {
namespace {
-std::string getName(int fd, bool local)
+std::string getName(int fd, bool local, bool includeService = false)
{
- ::sockaddr_storage name_s; // big enough for any socket address
- ::sockaddr* name = (::sockaddr*)&name_s;
- ::socklen_t namelen = sizeof(name_s);
-
+ ::sockaddr_storage name; // big enough for any socket address
+ ::socklen_t namelen = sizeof(name);
+
+ int result = -1;
if (local) {
- QPID_POSIX_CHECK( ::getsockname(fd, name, &namelen) );
+ result = ::getsockname(fd, (::sockaddr*)&name, &namelen);
} else {
- QPID_POSIX_CHECK( ::getpeername(fd, name, &namelen) );
+ result = ::getpeername(fd, (::sockaddr*)&name, &namelen);
}
- return SocketAddress::asString(name, namelen);
+ QPID_POSIX_CHECK(result);
+
+ char servName[NI_MAXSERV];
+ char dispName[NI_MAXHOST];
+ if (includeService) {
+ if (int rc=::getnameinfo((::sockaddr*)&name, namelen, dispName, sizeof(dispName),
+ servName, sizeof(servName),
+ NI_NUMERICHOST | NI_NUMERICSERV) != 0)
+ throw QPID_POSIX_ERROR(rc);
+ return std::string(dispName) + ":" + std::string(servName);
+
+ } else {
+ if (int rc=::getnameinfo((::sockaddr*)&name, namelen, dispName, sizeof(dispName), 0, 0, NI_NUMERICHOST) != 0)
+ throw QPID_POSIX_ERROR(rc);
+ return dispName;
+ }
}
-uint16_t getLocalPort(int fd)
+std::string getService(int fd, bool local)
{
- ::sockaddr_storage name_s; // big enough for any socket address
- ::sockaddr* name = (::sockaddr*)&name_s;
- ::socklen_t namelen = sizeof(name_s);
+ ::sockaddr_storage name; // big enough for any socket address
+ ::socklen_t namelen = sizeof(name);
+
+ int result = -1;
+ if (local) {
+ result = ::getsockname(fd, (::sockaddr*)&name, &namelen);
+ } else {
+ result = ::getpeername(fd, (::sockaddr*)&name, &namelen);
+ }
- QPID_POSIX_CHECK( ::getsockname(fd, name, &namelen) );
+ QPID_POSIX_CHECK(result);
- return SocketAddress::getPort(name);
+ char servName[NI_MAXSERV];
+ if (int rc=::getnameinfo((::sockaddr*)&name, namelen, 0, 0,
+ servName, sizeof(servName),
+ NI_NUMERICHOST | NI_NUMERICSERV) != 0)
+ throw QPID_POSIX_ERROR(rc);
+ return servName;
}
}
@@ -89,11 +119,6 @@ void Socket::createSocket(const SocketAddress& sa) const
try {
if (nonblocking) setNonblocking();
if (nodelay) setTcpNoDelay();
- if (getAddrInfo(sa).ai_family == AF_INET6) {
- int flag = 1;
- int result = ::setsockopt(socket, IPPROTO_IPV6, IPV6_V6ONLY, (char *)&flag, sizeof(flag));
- QPID_POSIX_CHECK(result);
- }
} catch (std::exception&) {
::close(s);
socket = -1;
@@ -101,18 +126,13 @@ void Socket::createSocket(const SocketAddress& sa) const
}
}
-Socket* Socket::createSameTypeSocket() const {
- int& socket = impl->fd;
- // Socket currently has no actual socket attached
- if (socket == -1)
- return new Socket;
-
- ::sockaddr_storage sa;
- ::socklen_t salen = sizeof(sa);
- QPID_POSIX_CHECK(::getsockname(socket, (::sockaddr*)&sa, &salen));
- int s = ::socket(sa.ss_family, SOCK_STREAM, 0); // Currently only work with SOCK_STREAM
- if (s < 0) throw QPID_POSIX_ERROR(errno);
- return new Socket(new IOHandlePrivate(s));
+void Socket::setTimeout(const Duration& interval) const
+{
+ const int& socket = impl->fd;
+ struct timeval tv;
+ toTimeval(tv, interval);
+ setsockopt(socket, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
+ setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
}
void Socket::setNonblocking() const {
@@ -129,27 +149,20 @@ void Socket::setTcpNoDelay() const
nodelay = true;
if (socket != -1) {
int flag = 1;
- int result = ::setsockopt(impl->fd, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(flag));
+ int result = setsockopt(impl->fd, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(flag));
QPID_POSIX_CHECK(result);
}
}
-void Socket::connect(const std::string& host, const std::string& port) const
+void Socket::connect(const std::string& host, uint16_t port) const
{
- SocketAddress sa(host, port);
+ SocketAddress sa(host, boost::lexical_cast<std::string>(port));
connect(sa);
}
void Socket::connect(const SocketAddress& addr) const
{
- // The display name for an outbound connection needs to be the name that was specified
- // for the address rather than a resolved IP address as we don't know which of
- // the IP addresses is actually the one that will be connected to.
- peername = addr.asString(false);
-
- // However the string we compare with the local port must be numeric or it might not
- // match when it should as getLocalAddress() will always be numeric
- std::string connectname = addr.asString();
+ connectname = addr.asString();
createSocket(addr);
@@ -157,24 +170,7 @@ void Socket::connect(const SocketAddress& addr) const
// TODO the correct thing to do here is loop on failure until you've used all the returned addresses
if ((::connect(socket, getAddrInfo(addr).ai_addr, getAddrInfo(addr).ai_addrlen) < 0) &&
(errno != EINPROGRESS)) {
- throw Exception(QPID_MSG(strError(errno) << ": " << peername));
- }
- // When connecting to a port on the same host which no longer has
- // a process associated with it, the OS occasionally chooses the
- // remote port (which is unoccupied) as the port to bind the local
- // end of the socket, resulting in a "circular" connection.
- //
- // This seems like something the OS should prevent but I have
- // confirmed that sporadic hangs in
- // cluster_tests.LongTests.test_failover on RHEL5 are caused by
- // such a circular connection.
- //
- // Raise an error if we see such a connection, since we know there is
- // no listener on the peer address.
- //
- if (getLocalAddress() == connectname) {
- close();
- throw Exception(QPID_MSG("Connection refused: " << peername));
+ throw Exception(QPID_MSG(strError(errno) << ": " << connectname));
}
}
@@ -187,9 +183,9 @@ Socket::close() const
socket = -1;
}
-int Socket::listen(const std::string& host, const std::string& port, int backlog) const
+int Socket::listen(uint16_t port, int backlog) const
{
- SocketAddress sa(host, port);
+ SocketAddress sa("", boost::lexical_cast<std::string>(port));
return listen(sa, backlog);
}
@@ -199,24 +195,26 @@ int Socket::listen(const SocketAddress& sa, int backlog) const
const int& socket = impl->fd;
int yes=1;
- QPID_POSIX_CHECK(::setsockopt(socket,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(yes)));
+ QPID_POSIX_CHECK(setsockopt(socket,SOL_SOCKET,SO_REUSEADDR,&yes,sizeof(yes)));
if (::bind(socket, getAddrInfo(sa).ai_addr, getAddrInfo(sa).ai_addrlen) < 0)
throw Exception(QPID_MSG("Can't bind to port " << sa.asString() << ": " << strError(errno)));
if (::listen(socket, backlog) < 0)
throw Exception(QPID_MSG("Can't listen on port " << sa.asString() << ": " << strError(errno)));
- return getLocalPort(socket);
+ struct sockaddr_in name;
+ socklen_t namelen = sizeof(name);
+ if (::getsockname(socket, (struct sockaddr*)&name, &namelen) < 0)
+ throw QPID_POSIX_ERROR(errno);
+
+ return ntohs(name.sin_port);
}
Socket* Socket::accept() const
{
int afd = ::accept(impl->fd, 0, 0);
- if ( afd >= 0) {
- Socket* s = new Socket(new IOHandlePrivate(afd));
- s->localname = localname;
- return s;
- }
+ if ( afd >= 0)
+ return new Socket(new IOHandlePrivate(afd));
else if (errno == EAGAIN)
return 0;
else throw QPID_POSIX_ERROR(errno);
@@ -232,20 +230,37 @@ int Socket::write(const void *buf, size_t count) const
return ::write(impl->fd, buf, count);
}
+std::string Socket::getSockname() const
+{
+ return getName(impl->fd, true);
+}
+
+std::string Socket::getPeername() const
+{
+ return getName(impl->fd, false);
+}
+
std::string Socket::getPeerAddress() const
{
- if (peername.empty()) {
- peername = getName(impl->fd, false);
+ if (connectname.empty()) {
+ connectname = getName(impl->fd, false, true);
}
- return peername;
+ return connectname;
}
std::string Socket::getLocalAddress() const
{
- if (localname.empty()) {
- localname = getName(impl->fd, true);
- }
- return localname;
+ return getName(impl->fd, true, true);
+}
+
+uint16_t Socket::getLocalPort() const
+{
+ return std::atoi(getService(impl->fd, true).c_str());
+}
+
+uint16_t Socket::getRemotePort() const
+{
+ return std::atoi(getService(impl->fd, true).c_str());
}
int Socket::getError() const