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-rw-r--r--Makefile.am16
-rw-r--r--lib/Socket.cpp730
-rw-r--r--lib/Socket.h240
-rw-r--r--src/DabMultiplexer.h3
-rw-r--r--src/DabMux.cpp3
-rw-r--r--src/InetAddress.cpp155
-rw-r--r--src/InetAddress.h78
-rw-r--r--src/TcpSocket.cpp359
-rw-r--r--src/TcpSocket.h164
-rw-r--r--src/UdpSocket.cpp256
-rw-r--r--src/UdpSocket.h174
-rw-r--r--src/dabOutput/dabOutput.h21
-rw-r--r--src/dabOutput/dabOutputTcp.cpp2
-rw-r--r--src/dabOutput/dabOutputUdp.cpp65
-rw-r--r--src/dabOutput/edi/Transport.cpp24
-rw-r--r--src/dabOutput/edi/Transport.h6
-rw-r--r--src/input/Udp.cpp51
-rw-r--r--src/input/Udp.h4
18 files changed, 1037 insertions, 1314 deletions
diff --git a/Makefile.am b/Makefile.am
index 2f06879..2773bbe 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -98,8 +98,6 @@ odr_dabmux_SOURCES =src/DabMux.cpp \
src/ConfigParser.h \
src/Eti.h \
src/Eti.cpp \
- src/InetAddress.h \
- src/InetAddress.cpp \
src/Interleaver.h \
src/Interleaver.cpp \
src/Log.h \
@@ -113,10 +111,6 @@ odr_dabmux_SOURCES =src/DabMux.cpp \
src/ReedSolomon.cpp \
src/RemoteControl.cpp \
src/RemoteControl.h \
- src/TcpSocket.h \
- src/TcpSocket.cpp \
- src/UdpSocket.h \
- src/UdpSocket.cpp \
src/ThreadsafeQueue.h \
src/crc.h \
src/crc.c \
@@ -167,6 +161,8 @@ odr_dabmux_SOURCES =src/DabMux.cpp \
src/PrbsGenerator.h \
src/utils.cpp \
src/utils.h \
+ lib/Socket.h \
+ lib/Socket.cpp \
lib/zmq.hpp \
$(lib_fec_sources) \
$(lib_charset_sources)
@@ -205,18 +201,14 @@ odr_zmq2edi_SOURCES = src/zmq2edi/zmq2edi.cpp \
src/dabOutput/edi/TagPacket.h \
src/dabOutput/edi/Transport.cpp \
src/dabOutput/edi/Transport.h \
- src/InetAddress.h \
- src/InetAddress.cpp \
- src/TcpSocket.h \
- src/TcpSocket.cpp \
- src/UdpSocket.h \
- src/UdpSocket.cpp \
src/ReedSolomon.h \
src/ReedSolomon.cpp \
src/Log.h \
src/Log.cpp \
src/crc.h \
src/crc.c \
+ lib/Socket.h \
+ lib/Socket.cpp \
lib/zmq.hpp \
$(lib_fec_sources)
diff --git a/lib/Socket.cpp b/lib/Socket.cpp
new file mode 100644
index 0000000..fe3df44
--- /dev/null
+++ b/lib/Socket.cpp
@@ -0,0 +1,730 @@
+/*
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
+ Queen in Right of Canada (Communications Research Center Canada)
+
+ Copyright (C) 2019
+ Matthias P. Braendli, matthias.braendli@mpb.li
+
+ http://www.opendigitalradio.org
+ */
+/*
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "Socket.h"
+
+#include <iostream>
+#include <cstdio>
+#include <cstring>
+#include <cerrno>
+#include <fcntl.h>
+#include <poll.h>
+
+namespace Socket {
+
+using namespace std;
+
+void InetAddress::resolveUdpDestination(const std::string& destination, int port)
+{
+ char service[NI_MAXSERV];
+ snprintf(service, NI_MAXSERV-1, "%d", port);
+
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
+ hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */
+ hints.ai_flags = 0;
+ hints.ai_protocol = 0;
+ hints.ai_canonname = nullptr;
+ hints.ai_addr = nullptr;
+ hints.ai_next = nullptr;
+
+ struct addrinfo *result, *rp;
+ int s = getaddrinfo(destination.c_str(), service, &hints, &result);
+ if (s != 0) {
+ throw runtime_error(string("getaddrinfo failed: ") + gai_strerror(s));
+ }
+
+ for (rp = result; rp != nullptr; rp = rp->ai_next) {
+ // Take the first result
+ memcpy(&addr, rp->ai_addr, rp->ai_addrlen);
+ break;
+ }
+
+ freeaddrinfo(result);
+
+ if (rp == nullptr) {
+ throw runtime_error("Could not resolve");
+ }
+}
+
+UDPPacket::UDPPacket() { }
+
+UDPPacket::UDPPacket(size_t initSize) :
+ buffer(initSize)
+{ }
+
+
+UDPSocket::UDPSocket() :
+ listenSocket(INVALID_SOCKET)
+{
+ reinit(0, "");
+}
+
+UDPSocket::UDPSocket(int port) :
+ listenSocket(INVALID_SOCKET)
+{
+ reinit(port, "");
+}
+
+UDPSocket::UDPSocket(int port, const std::string& name) :
+ listenSocket(INVALID_SOCKET)
+{
+ reinit(port, name);
+}
+
+
+void UDPSocket::setBlocking(bool block)
+{
+ int res = fcntl(listenSocket, F_SETFL, block ? 0 : O_NONBLOCK);
+ if (res == -1) {
+ throw runtime_error(string("Can't change blocking state of socket: ") + strerror(errno));
+ }
+}
+
+void UDPSocket::reinit(int port, const std::string& name)
+{
+ if (listenSocket != INVALID_SOCKET) {
+ ::close(listenSocket);
+ }
+
+ char service[NI_MAXSERV];
+ snprintf(service, NI_MAXSERV-1, "%d", port);
+
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
+ hints.ai_socktype = SOCK_DGRAM; /* Datagram socket */
+ hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */
+ hints.ai_protocol = 0; /* Any protocol */
+ hints.ai_canonname = nullptr;
+ hints.ai_addr = nullptr;
+ hints.ai_next = nullptr;
+
+ struct addrinfo *result, *rp;
+ int s = getaddrinfo(name.empty() ? nullptr : name.c_str(),
+ port == 0 ? nullptr : service,
+ &hints, &result);
+ if (s != 0) {
+ throw runtime_error(string("getaddrinfo failed: ") + gai_strerror(s));
+ }
+
+ /* getaddrinfo() returns a list of address structures.
+ Try each address until we successfully bind(2).
+ If socket(2) (or bind(2)) fails, we (close the socket
+ and) try the next address. */
+ for (rp = result; rp != nullptr; rp = rp->ai_next) {
+ int sfd = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ if (sfd == -1) {
+ continue;
+ }
+
+ if (::bind(sfd, rp->ai_addr, rp->ai_addrlen) == 0) {
+ listenSocket = sfd;
+ break;
+ }
+
+ ::close(sfd);
+ }
+
+ freeaddrinfo(result);
+
+ if (rp == nullptr) {
+ throw runtime_error("Could not bind");
+ }
+}
+
+void UDPSocket::close()
+{
+ if (listenSocket != INVALID_SOCKET) {
+ ::close(listenSocket);
+ }
+
+ listenSocket = INVALID_SOCKET;
+}
+
+UDPSocket::~UDPSocket()
+{
+ if (listenSocket != INVALID_SOCKET) {
+ ::close(listenSocket);
+ }
+}
+
+
+UDPPacket UDPSocket::receive(size_t max_size)
+{
+ UDPPacket packet(max_size);
+ socklen_t addrSize;
+ addrSize = sizeof(*packet.address.as_sockaddr());
+ ssize_t ret = recvfrom(listenSocket,
+ packet.buffer.data(),
+ packet.buffer.size(),
+ 0,
+ packet.address.as_sockaddr(),
+ &addrSize);
+
+ if (ret == SOCKET_ERROR) {
+ packet.buffer.resize(0);
+ if (errno == EAGAIN) {
+ return 0;
+ }
+ throw runtime_error(string("Can't receive data: ") + strerror(errno));
+ }
+
+ packet.buffer.resize(ret);
+ return packet;
+}
+
+void UDPSocket::send(UDPPacket& packet)
+{
+ int ret = sendto(listenSocket, packet.buffer.data(), packet.buffer.size(), 0,
+ packet.address.as_sockaddr(), sizeof(*packet.address.as_sockaddr()));
+ if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
+ throw runtime_error(string("Can't send UDP packet") + strerror(errno));
+ }
+}
+
+
+void UDPSocket::send(const std::vector<uint8_t>& data, InetAddress destination)
+{
+ int ret = sendto(listenSocket, &data[0], data.size(), 0,
+ destination.as_sockaddr(), sizeof(*destination.as_sockaddr()));
+ if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
+ throw runtime_error(string("Can't send UDP packet") + strerror(errno));
+ }
+}
+
+void UDPSocket::joinGroup(char* groupname)
+{
+ ip_mreqn group;
+ if ((group.imr_multiaddr.s_addr = inet_addr(groupname)) == INADDR_NONE) {
+ throw runtime_error("Cannot convert multicast group name");
+ }
+ if (!IN_MULTICAST(ntohl(group.imr_multiaddr.s_addr))) {
+ throw runtime_error("Group name is not a multicast address");
+ }
+ group.imr_address.s_addr = htons(INADDR_ANY);;
+ group.imr_ifindex = 0;
+ if (setsockopt(listenSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, &group, sizeof(group))
+ == SOCKET_ERROR) {
+ throw runtime_error(string("Can't join multicast group") + strerror(errno));
+ }
+}
+
+void UDPSocket::setMulticastSource(const char* source_addr)
+{
+ struct in_addr addr;
+ if (inet_aton(source_addr, &addr) == 0) {
+ throw runtime_error(string("Can't parse source address") + strerror(errno));
+ }
+
+ if (setsockopt(listenSocket, IPPROTO_IP, IP_MULTICAST_IF, &addr, sizeof(addr))
+ == SOCKET_ERROR) {
+ throw runtime_error(string("Can't set source address") + strerror(errno));
+ }
+}
+
+void UDPSocket::setMulticastTTL(int ttl)
+{
+ if (setsockopt(listenSocket, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl))
+ == SOCKET_ERROR) {
+ throw runtime_error(string("Can't set multicast ttl") + strerror(errno));
+ }
+}
+
+
+TCPSocket::TCPSocket()
+{
+ if ((m_sock = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
+ throw std::runtime_error("Can't create TCP socket");
+ }
+
+#if defined(HAVE_SO_NOSIGPIPE)
+ int val = 1;
+ if (setsockopt(m_sock, SOL_SOCKET, SO_NOSIGPIPE,
+ &val, sizeof(val)) < 0) {
+ throw std::runtime_error("Can't set SO_NOSIGPIPE");
+ }
+#endif
+}
+
+TCPSocket::~TCPSocket()
+{
+ if (m_sock != -1) {
+ ::close(m_sock);
+ }
+}
+
+TCPSocket::TCPSocket(TCPSocket&& other) :
+ m_sock(other.m_sock),
+ m_remote_address(other.m_remote_address)
+{
+ if (other.m_sock != -1) {
+ other.m_sock = -1;
+ }
+}
+
+TCPSocket& TCPSocket::operator=(TCPSocket&& other)
+{
+ m_sock = other.m_sock;
+ m_remote_address = other.m_remote_address;
+
+ if (other.m_sock != -1) {
+ other.m_sock = -1;
+ }
+
+ return *this;
+}
+
+bool TCPSocket::valid() const
+{
+ return m_sock != -1;
+}
+
+void TCPSocket::connect(const std::string& hostname, int port)
+{
+ if (m_sock != INVALID_SOCKET) {
+ throw std::logic_error("You may only connect an invalid TCPSocket");
+ }
+
+ char service[NI_MAXSERV];
+ snprintf(service, NI_MAXSERV-1, "%d", port);
+
+ /* Obtain address(es) matching host/port */
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC; /* Allow IPv4 or IPv6 */
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = 0;
+ hints.ai_protocol = 0;
+
+ struct addrinfo *result, *rp;
+ int s = getaddrinfo(hostname.c_str(), service, &hints, &result);
+ if (s != 0) {
+ throw runtime_error(string("getaddrinfo failed: ") + gai_strerror(s));
+ }
+
+ /* getaddrinfo() returns a list of address structures.
+ Try each address until we successfully connect(2).
+ If socket(2) (or connect(2)) fails, we (close the socket
+ and) try the next address. */
+
+ for (rp = result; rp != nullptr; rp = rp->ai_next) {
+ int sfd = ::socket(rp->ai_family, rp->ai_socktype,
+ rp->ai_protocol);
+ if (sfd == -1)
+ continue;
+
+ int ret = ::connect(sfd, rp->ai_addr, rp->ai_addrlen);
+ if (ret != -1 or (ret == -1 and errno == EINPROGRESS)) {
+ // As the TCPClient could set the socket to nonblocking, we
+ // must handle EINPROGRESS here
+ m_sock = sfd;
+ break;
+ }
+
+ ::close(sfd);
+ }
+
+ if (m_sock != INVALID_SOCKET) {
+#if defined(HAVE_SO_NOSIGPIPE)
+ int val = 1;
+ if (setsockopt(m_sock, SOL_SOCKET, SO_NOSIGPIPE, &val, sizeof(val))
+ == SOCKET_ERROR) {
+ throw std::runtime_error("Can't set SO_NOSIGPIPE");
+ }
+#endif
+ }
+
+ freeaddrinfo(result); /* No longer needed */
+
+ if (rp == nullptr) {
+ throw runtime_error("Could not connect");
+ }
+
+}
+
+void TCPSocket::listen(int port, const string& name)
+{
+ if (m_sock != INVALID_SOCKET) {
+ throw std::logic_error("You may only listen with an invalid TCPSocket");
+ }
+
+ char service[NI_MAXSERV];
+ snprintf(service, NI_MAXSERV-1, "%d", port);
+
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = AI_PASSIVE; /* For wildcard IP address */
+ hints.ai_protocol = 0;
+ hints.ai_canonname = nullptr;
+ hints.ai_addr = nullptr;
+ hints.ai_next = nullptr;
+
+ struct addrinfo *result, *rp;
+ int s = getaddrinfo(name.empty() ? nullptr : name.c_str(), service, &hints, &result);
+ if (s != 0) {
+ throw runtime_error(string("getaddrinfo failed: ") + gai_strerror(s));
+ }
+
+ /* getaddrinfo() returns a list of address structures.
+ Try each address until we successfully bind(2).
+ If socket(2) (or bind(2)) fails, we (close the socket
+ and) try the next address. */
+ for (rp = result; rp != nullptr; rp = rp->ai_next) {
+ int sfd = ::socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ if (sfd == -1) {
+ continue;
+ }
+
+ if (::bind(sfd, rp->ai_addr, rp->ai_addrlen) == 0) {
+ m_sock = sfd;
+ break;
+ }
+
+ ::close(sfd);
+ }
+
+ freeaddrinfo(result);
+
+ if (rp == nullptr) {
+ throw runtime_error("Could not bind");
+ }
+}
+
+void TCPSocket::close()
+{
+ ::close(m_sock);
+ m_sock = -1;
+}
+
+TCPSocket TCPSocket::accept(int timeout_ms)
+{
+ if (timeout_ms == 0) {
+ InetAddress remote_addr;
+ socklen_t client_len = sizeof(remote_addr.addr);
+ int sockfd = ::accept(m_sock, remote_addr.as_sockaddr(), &client_len);
+ TCPSocket s(sockfd, remote_addr);
+ return s;
+ }
+ else {
+ struct pollfd fds[1];
+ fds[0].fd = m_sock;
+ fds[0].events = POLLIN;
+
+ int retval = poll(fds, 1, timeout_ms);
+
+ if (retval == -1) {
+ std::string errstr(strerror(errno));
+ throw std::runtime_error("TCP Socket accept error: " + errstr);
+ }
+ else if (retval > 0) {
+ InetAddress remote_addr;
+ socklen_t client_len = sizeof(remote_addr.addr);
+ int sockfd = ::accept(m_sock, remote_addr.as_sockaddr(), &client_len);
+ TCPSocket s(sockfd, remote_addr);
+ return s;
+ }
+ else {
+ TCPSocket s(-1);
+ return s;
+ }
+ }
+}
+
+ssize_t TCPSocket::sendall(const void *buffer, size_t buflen)
+{
+ uint8_t *buf = (uint8_t*)buffer;
+ while (buflen > 0) {
+ /* On Linux, the MSG_NOSIGNAL flag ensures that the process
+ * would not receive a SIGPIPE and die.
+ * Other systems have SO_NOSIGPIPE set on the socket for the
+ * same effect. */
+#if defined(HAVE_MSG_NOSIGNAL)
+ const int flags = MSG_NOSIGNAL;
+#else
+ const int flags = 0;
+#endif
+ ssize_t sent = ::send(m_sock, buf, buflen, flags);
+ if (sent < 0) {
+ return -1;
+ }
+ else {
+ buf += sent;
+ buflen -= sent;
+ }
+ }
+ return buflen;
+}
+
+ssize_t TCPSocket::send(const void* data, size_t size, int timeout_ms)
+{
+ if (timeout_ms) {
+ struct pollfd fds[1];
+ fds[0].fd = m_sock;
+ fds[0].events = POLLOUT;
+
+ const int retval = poll(fds, 1, timeout_ms);
+
+ if (retval == -1) {
+ throw std::runtime_error(string("TCP Socket send error on poll(): ") + strerror(errno));
+ }
+ else if (retval == 0) {
+ // Timed out
+ return 0;
+ }
+ }
+
+ /* On Linux, the MSG_NOSIGNAL flag ensures that the process would not
+ * receive a SIGPIPE and die.
+ * Other systems have SO_NOSIGPIPE set on the socket for the same effect. */
+#if defined(HAVE_MSG_NOSIGNAL)
+ const int flags = MSG_NOSIGNAL;
+#else
+ const int flags = 0;
+#endif
+ const ssize_t ret = ::send(m_sock, (const char*)data, size, flags);
+
+ if (ret == SOCKET_ERROR) {
+ throw std::runtime_error(string("TCP Socket send error: ") + strerror(errno));
+ }
+ return ret;
+}
+
+ssize_t TCPSocket::recv(void *buffer, size_t length, int flags)
+{
+ ssize_t ret = ::recv(m_sock, buffer, length, flags);
+ if (ret == -1) {
+ std::string errstr(strerror(errno));
+ throw std::runtime_error("TCP receive error: " + errstr);
+ }
+ return ret;
+}
+
+ssize_t TCPSocket::recv(void *buffer, size_t length, int flags, int timeout_ms)
+{
+ struct pollfd fds[1];
+ fds[0].fd = m_sock;
+ fds[0].events = POLLIN;
+
+ int retval = poll(fds, 1, timeout_ms);
+
+ if (retval == -1 and errno == EINTR) {
+ throw Interrupted();
+ }
+ else if (retval == -1) {
+ std::string errstr(strerror(errno));
+ throw std::runtime_error("TCP receive with poll() error: " + errstr);
+ }
+ else if (retval > 0 and (fds[0].revents | POLLIN)) {
+ ssize_t ret = ::recv(m_sock, buffer, length, flags);
+ if (ret == -1) {
+ if (errno == ECONNREFUSED) {
+ return 0;
+ }
+ std::string errstr(strerror(errno));
+ throw std::runtime_error("TCP receive after poll() error: " + errstr);
+ }
+ return ret;
+ }
+ else {
+ throw Timeout();
+ }
+}
+
+TCPSocket::TCPSocket(int sockfd) :
+ m_sock(sockfd),
+ m_remote_address()
+{ }
+
+TCPSocket::TCPSocket(int sockfd, InetAddress remote_address) :
+ m_sock(sockfd),
+ m_remote_address(remote_address)
+{ }
+
+void TCPClient::connect(const std::string& hostname, int port)
+{
+ m_hostname = hostname;
+ m_port = port;
+ reconnect();
+}
+
+ssize_t TCPClient::recv(void *buffer, size_t length, int flags, int timeout_ms)
+{
+ try {
+ ssize_t ret = m_sock.recv(buffer, length, flags, timeout_ms);
+
+ if (ret == 0) {
+ m_sock.close();
+
+ TCPSocket newsock;
+ m_sock = std::move(newsock);
+ reconnect();
+ }
+
+ return ret;
+ }
+ catch (const TCPSocket::Interrupted&) {
+ return -1;
+ }
+ catch (const TCPSocket::Timeout&) {
+ return 0;
+ }
+
+ return 0;
+}
+
+void TCPClient::reconnect()
+{
+ int flags = fcntl(m_sock.m_sock, F_GETFL);
+ if (fcntl(m_sock.m_sock, F_SETFL, flags | O_NONBLOCK) == -1) {
+ std::string errstr(strerror(errno));
+ throw std::runtime_error("TCP: Could not set O_NONBLOCK: " + errstr);
+ }
+
+ m_sock.connect(m_hostname, m_port);
+}
+
+TCPConnection::TCPConnection(TCPSocket&& sock) :
+ queue(),
+ m_running(true),
+ m_sender_thread(),
+ m_sock(move(sock))
+{
+#if MISSING_OWN_ADDR
+ auto own_addr = m_sock.getOwnAddress();
+ auto addr = m_sock.getRemoteAddress();
+ etiLog.level(debug) << "New TCP Connection on port " <<
+ own_addr.getPort() << " from " <<
+ addr.getHostAddress() << ":" << addr.getPort();
+#endif
+ m_sender_thread = std::thread(&TCPConnection::process, this);
+}
+
+TCPConnection::~TCPConnection()
+{
+ m_running = false;
+ vector<uint8_t> termination_marker;
+ queue.push(termination_marker);
+ m_sender_thread.join();
+}
+
+void TCPConnection::process()
+{
+ while (m_running) {
+ vector<uint8_t> data;
+ queue.wait_and_pop(data);
+
+ if (data.empty()) {
+ // empty vector is the termination marker
+ m_running = false;
+ break;
+ }
+
+ try {
+ ssize_t remaining = data.size();
+ const uint8_t *buf = reinterpret_cast<const uint8_t*>(data.data());
+ const int timeout_ms = 10; // Less than one ETI frame
+
+ while (m_running and remaining > 0) {
+ const ssize_t sent = m_sock.send(buf, remaining, timeout_ms);
+ if (sent < 0 or sent > remaining) {
+ throw std::logic_error("Invalid TCPSocket::send() return value");
+ }
+ remaining -= sent;
+ buf += sent;
+ }
+ }
+ catch (const std::runtime_error& e) {
+ m_running = false;
+ }
+ }
+
+#if MISSING_OWN_ADDR
+ auto own_addr = m_sock.getOwnAddress();
+ auto addr = m_sock.getRemoteAddress();
+ etiLog.level(debug) << "Dropping TCP Connection on port " <<
+ own_addr.getPort() << " from " <<
+ addr.getHostAddress() << ":" << addr.getPort();
+#endif
+}
+
+
+TCPDataDispatcher::TCPDataDispatcher(size_t max_queue_size) :
+ m_max_queue_size(max_queue_size)
+{
+}
+
+TCPDataDispatcher::~TCPDataDispatcher()
+{
+ m_running = false;
+ m_connections.clear();
+ m_listener_socket.close();
+ m_listener_thread.join();
+}
+
+void TCPDataDispatcher::start(int port, const string& address)
+{
+ m_listener_socket.listen(port, address);
+
+ m_running = true;
+ m_listener_thread = std::thread(&TCPDataDispatcher::process, this);
+}
+
+void TCPDataDispatcher::write(const vector<uint8_t>& data)
+{
+ if (not m_running) {
+ throw runtime_error(m_exception_data);
+ }
+
+ for (auto& connection : m_connections) {
+ connection.queue.push(data);
+ }
+
+ m_connections.remove_if(
+ [&](const TCPConnection& conn){ return conn.queue.size() > m_max_queue_size; });
+}
+
+void TCPDataDispatcher::process()
+{
+ try {
+ const int timeout_ms = 1000;
+
+ while (m_running) {
+ // Add a new TCPConnection to the list, constructing it from the client socket
+ auto sock = m_listener_socket.accept(timeout_ms);
+ if (sock.valid()) {
+ m_connections.emplace(m_connections.begin(), move(sock));
+ }
+ }
+ }
+ catch (const std::runtime_error& e) {
+ m_exception_data = string("TCPDataDispatcher error: ") + e.what();
+ m_running = false;
+ }
+}
+
+}
diff --git a/lib/Socket.h b/lib/Socket.h
new file mode 100644
index 0000000..82ff5ad
--- /dev/null
+++ b/lib/Socket.h
@@ -0,0 +1,240 @@
+/*
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
+ Queen in Right of Canada (Communications Research Center Canada)
+
+ Copyright (C) 2019
+ Matthias P. Braendli, matthias.braendli@mpb.li
+
+ http://www.opendigitalradio.org
+ */
+/*
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "ThreadsafeQueue.h"
+#include <cstdlib>
+#include <iostream>
+#include <vector>
+#include <atomic>
+#include <thread>
+#include <list>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <arpa/inet.h>
+#include <pthread.h>
+#define SOCKET int
+#define INVALID_SOCKET -1
+#define SOCKET_ERROR -1
+
+
+namespace Socket {
+
+struct InetAddress {
+ struct sockaddr_storage addr;
+
+ struct sockaddr *as_sockaddr() { return reinterpret_cast<sockaddr*>(&addr); };
+
+ void resolveUdpDestination(const std::string& destination, int port);
+};
+
+/** This class represents a UDP packet.
+ *
+ * A UDP packet contains a payload (sequence of bytes) and an address. For
+ * outgoing packets, the address is the destination address. For incoming
+ * packets, the address tells the user from what source the packet arrived from.
+ */
+class UDPPacket
+{
+ public:
+ UDPPacket();
+ UDPPacket(size_t initSize);
+
+ std::vector<uint8_t> buffer;
+ InetAddress address;
+};
+
+/**
+ * This class represents a socket for sending and receiving UDP packets.
+ *
+ * A UDP socket is the sending or receiving point for a packet delivery service.
+ * Each packet sent or received on a datagram socket is individually
+ * addressed and routed. Multiple packets sent from one machine to another may
+ * be routed differently, and may arrive in any order.
+ */
+class UDPSocket
+{
+ public:
+ /** Create a new socket that will not be bound to any port. To be used
+ * for data output.
+ */
+ UDPSocket();
+ /** Create a new socket.
+ * @param port The port number on which the socket will be bound
+ */
+ UDPSocket(int port);
+ /** Create a new socket.
+ * @param port The port number on which the socket will be bound
+ * @param name The IP address on which the socket will be bound.
+ * It is used to bind the socket on a specific interface if
+ * the computer have many NICs.
+ */
+ UDPSocket(int port, const std::string& name);
+ ~UDPSocket();
+ UDPSocket(const UDPSocket& other) = delete;
+ const UDPSocket& operator=(const UDPSocket& other) = delete;
+
+ /** Close the already open socket, and create a new one. Throws a runtime_error on error. */
+ void reinit(int port, const std::string& name);
+
+ void close(void);
+ void send(UDPPacket& packet);
+ void send(const std::vector<uint8_t>& data, InetAddress destination);
+ UDPPacket receive(size_t max_size);
+ void joinGroup(char* groupname);
+ void setMulticastSource(const char* source_addr);
+ void setMulticastTTL(int ttl);
+
+ /** Set blocking mode. By default, the socket is blocking.
+ * throws a runtime_error on error.
+ */
+ void setBlocking(bool block);
+
+ protected:
+ SOCKET listenSocket;
+};
+
+
+class TCPSocket {
+ public:
+ TCPSocket();
+ ~TCPSocket();
+ TCPSocket(const TCPSocket& other) = delete;
+ TCPSocket& operator=(const TCPSocket& other) = delete;
+ TCPSocket(TCPSocket&& other);
+ TCPSocket& operator=(TCPSocket&& other);
+
+ bool valid(void) const;
+ void connect(const std::string& hostname, int port);
+ void listen(int port, const std::string& name);
+ void close(void);
+
+ /* throws a runtime_error on failure, an invalid socket on timeout */
+ TCPSocket accept(int timeout_ms);
+
+ /* returns -1 on error, doesn't work on nonblocking sockets */
+ ssize_t sendall(const void *buffer, size_t buflen);
+
+ /** Send data over the TCP connection.
+ * @param data The buffer that will be sent.
+ * @param size Number of bytes to send.
+ * @param timeout_ms number of milliseconds before timeout, or 0 for infinite timeout
+ * return number of bytes sent, 0 on timeout, or throws runtime_error.
+ */
+ ssize_t send(const void* data, size_t size, int timeout_ms=0);
+
+ /* Returns number of bytes read, 0 on disconnect. Throws a
+ * runtime_error on error */
+ ssize_t recv(void *buffer, size_t length, int flags);
+
+ class Timeout {};
+ class Interrupted {};
+ /* Returns number of bytes read, 0 on disconnect or refused connection.
+ * Throws a Timeout on timeout, Interrupted on EINTR, a runtime_error
+ * on error
+ */
+ ssize_t recv(void *buffer, size_t length, int flags, int timeout_ms);
+
+ private:
+ explicit TCPSocket(int sockfd);
+ explicit TCPSocket(int sockfd, InetAddress remote_address);
+ SOCKET m_sock = -1;
+
+ InetAddress m_remote_address;
+
+ friend class TCPClient;
+};
+
+/* Implements a TCP receiver that auto-reconnects on errors */
+class TCPClient {
+ public:
+ void connect(const std::string& hostname, int port);
+
+ /* Returns numer of bytes read, 0 on auto-reconnect, -1
+ * on interruption.
+ * Throws a runtime_error on error */
+ ssize_t recv(void *buffer, size_t length, int flags, int timeout_ms);
+
+ private:
+ void reconnect(void);
+ TCPSocket m_sock;
+ std::string m_hostname;
+ int m_port;
+};
+
+/* Helper class for TCPDataDispatcher, contains a queue of pending data and
+ * a sender thread. */
+class TCPConnection
+{
+ public:
+ TCPConnection(TCPSocket&& sock);
+ TCPConnection(const TCPConnection&) = delete;
+ TCPConnection& operator=(const TCPConnection&) = delete;
+ ~TCPConnection();
+
+ ThreadsafeQueue<std::vector<uint8_t> > queue;
+
+ private:
+ std::atomic<bool> m_running;
+ std::thread m_sender_thread;
+ TCPSocket m_sock;
+
+ void process(void);
+};
+
+/* Send a TCP stream to several destinations, and automatically disconnect destinations
+ * whose buffer overflows.
+ */
+class TCPDataDispatcher
+{
+ public:
+ TCPDataDispatcher(size_t max_queue_size);
+ ~TCPDataDispatcher();
+ TCPDataDispatcher(const TCPDataDispatcher&) = delete;
+ TCPDataDispatcher& operator=(const TCPDataDispatcher&) = delete;
+
+ void start(int port, const std::string& address);
+ void write(const std::vector<uint8_t>& data);
+
+ private:
+ void process(void);
+
+ size_t m_max_queue_size;
+
+ std::atomic<bool> m_running;
+ std::string m_exception_data;
+ std::thread m_listener_thread;
+ TCPSocket m_listener_socket;
+ std::list<TCPConnection> m_connections;
+};
+
+}
diff --git a/src/DabMultiplexer.h b/src/DabMultiplexer.h
index 386c23c..d1075a6 100644
--- a/src/DabMultiplexer.h
+++ b/src/DabMultiplexer.h
@@ -37,8 +37,7 @@
#include "fig/FIGCarousel.h"
#include "crc.h"
#include "utils.h"
-#include "UdpSocket.h"
-#include "InetAddress.h"
+#include "Socket.h"
#include "PcDebug.h"
#include "MuxElements.h"
#include "RemoteControl.h"
diff --git a/src/DabMux.cpp b/src/DabMux.cpp
index b9ee9fd..d749ed3 100644
--- a/src/DabMux.cpp
+++ b/src/DabMux.cpp
@@ -99,8 +99,7 @@ typedef DWORD32 uint32_t;
#include "dabOutput/dabOutput.h"
#include "crc.h"
-#include "UdpSocket.h"
-#include "InetAddress.h"
+#include "Socket.h"
#include "PcDebug.h"
#include "DabMux.h"
#include "MuxElements.h"
diff --git a/src/InetAddress.cpp b/src/InetAddress.cpp
deleted file mode 100644
index 7660263..0000000
--- a/src/InetAddress.cpp
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
- Queen in Right of Canada (Communications Research Center Canada)
-
- Copyright (C) 2016
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMux.
-
- ODR-DabMux is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- ODR-DabMux is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "InetAddress.h"
-#include <iostream>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-
-#ifdef TRACE_ON
-# ifndef TRACE_CLASS
-# define TRACE_CLASS(clas, func) cout <<"-" <<(clas) <<"\t(" <<this <<")::" <<(func) <<endl
-# define TRACE_STATIC(clas, func) cout <<"-" <<(clas) <<"\t(static)::" <<(func) <<endl
-# endif
-#else
-# ifndef TRACE_CLASS
-# define TRACE_CLASS(clas, func)
-# define TRACE_STATIC(clas, func)
-# endif
-#endif
-
-
-int inetErrNo = 0;
-const char *inetErrMsg = nullptr;
-const char *inetErrDesc = nullptr;
-
-
-/**
- * Constructs an IP address.
- * @param port The port of this address
- * @param name The name of this address
- */
-InetAddress::InetAddress(int port, const char* name) {
- TRACE_CLASS("InetAddress", "InetAddress(int, char)");
- addr.sin_family = PF_INET;
- addr.sin_addr.s_addr = htons(INADDR_ANY);
- addr.sin_port = htons(port);
- if (name)
- setAddress(name);
-}
-
-
-/// Returns the raw IP address of this InetAddress object.
-sockaddr *InetAddress::getAddress() {
- TRACE_CLASS("InetAddress", "getAddress()");
- return (sockaddr *)&addr;
-}
-
-
-/// Return the port of this address.
-int InetAddress::getPort()
-{
- TRACE_CLASS("InetAddress", "getPort()");
- return ntohs(addr.sin_port);
-}
-
-
-/**
- * Returns the IP address string "%d.%d.%d.%d".
- * @return IP address
- */
-const char *InetAddress::getHostAddress() {
- TRACE_CLASS("InetAddress", "getHostAddress()");
- return inet_ntoa(addr.sin_addr);
-}
-
-
-/// Returns true if this address is multicast
-bool InetAddress::isMulticastAddress() {
- TRACE_CLASS("InetAddress", "isMulticastAddress()");
- return IN_MULTICAST(ntohl(addr.sin_addr.s_addr)); // a modifier
-}
-
-
-/**
- * Set the port number
- * @param port The new port number
- */
-void InetAddress::setPort(int port)
-{
- TRACE_CLASS("InetAddress", "setPort(int)");
- addr.sin_port = htons(port);
-}
-
-
-/**
- * Set the address
- * @param name The new address name
- * @return 0 if ok
- * -1 if error
- */
-int InetAddress::setAddress(const std::string& name)
-{
- TRACE_CLASS("InetAddress", "setAddress(string)");
- if (!name.empty()) {
- if (atoi(name.c_str())) { // If it start with a number
- if ((addr.sin_addr.s_addr = inet_addr(name.c_str())) == INADDR_NONE) {
- addr.sin_addr.s_addr = htons(INADDR_ANY);
- inetErrNo = 0;
- inetErrMsg = "Invalid address";
- inetErrDesc = name.c_str();
- return -1;
- }
- }
- else { // Assume it's a real name
- hostent *host = gethostbyname(name.c_str());
- if (host) {
- addr.sin_addr = *(in_addr *)(host->h_addr);
- } else {
- addr.sin_addr.s_addr = htons(INADDR_ANY);
- inetErrNo = 0;
- inetErrMsg = "Could not find address";
- inetErrDesc = name.c_str();
- return -1;
- }
- }
- }
- else {
- addr.sin_addr.s_addr = INADDR_ANY;
- }
- return 0;
-}
-
-
-void setInetError(const char* description)
-{
- inetErrNo = 0;
- inetErrNo = errno;
- inetErrMsg = strerror(inetErrNo);
- inetErrDesc = description;
-}
-
diff --git a/src/InetAddress.h b/src/InetAddress.h
deleted file mode 100644
index e246d4c..0000000
--- a/src/InetAddress.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
- Queen in Right of Canada (Communications Research Center Canada)
-
- Copyright (C) 2016
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMux.
-
- ODR-DabMux is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- ODR-DabMux is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _InetAddress
-#define _InetAddress
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdlib.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <pthread.h>
-#include <string>
-
-#define SOCKET int
-#define INVALID_SOCKET -1
-#define INVALID_PORT -1
-
-
-/// The last error number
-extern int inetErrNo;
-/// The last error message
-extern const char *inetErrMsg;
-/// The description of the last error
-extern const char *inetErrDesc;
-/// Set the number, message and description of the last error
-void setInetError(const char* description);
-
-
-/**
- * This class represents an Internet Protocol (IP) address.
- * @author Pascal Charest pascal.charest@crc.ca
- */
-class InetAddress {
- public:
- InetAddress(int port = 0, const char* name = NULL);
-
- sockaddr *getAddress();
- const char *getHostAddress();
- int getPort();
- int setAddress(const std::string& name);
- void setPort(int port);
- bool isMulticastAddress();
-
- private:
- sockaddr_in addr;
-};
-
-
-#endif
diff --git a/src/TcpSocket.cpp b/src/TcpSocket.cpp
deleted file mode 100644
index 3ebe73c..0000000
--- a/src/TcpSocket.cpp
+++ /dev/null
@@ -1,359 +0,0 @@
-/*
- Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in
- Right of Canada (Communications Research Center Canada)
-
- Copyright (C) 2019
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMux.
-
- ODR-DabMux is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- ODR-DabMux is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "TcpSocket.h"
-#include "Log.h"
-#include <iostream>
-#include <cstdio>
-#include <cstring>
-#include <cstdint>
-#include <signal.h>
-#include <errno.h>
-#include <poll.h>
-#include <thread>
-
-using namespace std;
-
-using vec_u8 = std::vector<uint8_t>;
-
-
-TcpSocket::TcpSocket() :
- m_sock(INVALID_SOCKET)
-{
-}
-
-TcpSocket::TcpSocket(int port, const string& name) :
- m_sock(INVALID_SOCKET)
-{
- if (port) {
- if ((m_sock = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
- throw std::runtime_error("Can't create socket");
- }
-
- reuseopt_t reuse = 1;
- if (setsockopt(m_sock, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse))
- == SOCKET_ERROR) {
- throw std::runtime_error("Can't reuse address");
- }
-
-#if defined(HAVE_SO_NOSIGPIPE)
- int val = 1;
- if (setsockopt(m_sock, SOL_SOCKET, SO_NOSIGPIPE, &val, sizeof(val))
- == SOCKET_ERROR) {
- throw std::runtime_error("Can't set SO_NOSIGPIPE");
- }
-#endif
-
- m_own_address.setAddress(name);
- m_own_address.setPort(port);
-
- if (::bind(m_sock, m_own_address.getAddress(), sizeof(sockaddr_in)) == SOCKET_ERROR) {
- ::close(m_sock);
- m_sock = INVALID_SOCKET;
- throw std::runtime_error("Can't bind socket");
- }
- }
-}
-
-TcpSocket::TcpSocket(SOCKET sock, InetAddress own, InetAddress remote) :
- m_own_address(own),
- m_remote_address(remote),
- m_sock(sock) { }
-
-// The move constructors must ensure the moved-from
-// TcpSocket won't destroy our socket handle
-TcpSocket::TcpSocket(TcpSocket&& other)
-{
- m_sock = other.m_sock;
- other.m_sock = INVALID_SOCKET;
-
- m_own_address = other.m_own_address;
- m_remote_address = other.m_remote_address;
-}
-
-TcpSocket& TcpSocket::operator=(TcpSocket&& other)
-{
- m_sock = other.m_sock;
- other.m_sock = INVALID_SOCKET;
-
- m_own_address = other.m_own_address;
- m_remote_address = other.m_remote_address;
- return *this;
-}
-
-/**
- * Close the underlying socket.
- * @return 0 if ok
- * -1 if error
- */
-int TcpSocket::close()
-{
- if (m_sock != INVALID_SOCKET) {
- int res = ::close(m_sock);
- if (res != 0) {
- setInetError("Can't close socket");
- return -1;
- }
- m_sock = INVALID_SOCKET;
- }
- return 0;
-}
-
-TcpSocket::~TcpSocket()
-{
- close();
-}
-
-bool TcpSocket::isValid()
-{
- return m_sock != INVALID_SOCKET;
-}
-
-ssize_t TcpSocket::recv(void* data, size_t size)
-{
- ssize_t ret = ::recv(m_sock, (char*)data, size, 0);
- if (ret == SOCKET_ERROR) {
- stringstream ss;
- ss << "TCP Socket recv error: " << strerror(errno);
- throw std::runtime_error(ss.str());
- }
- return ret;
-}
-
-
-ssize_t TcpSocket::send(const void* data, size_t size, int timeout_ms)
-{
- if (timeout_ms) {
- struct pollfd fds[1];
- fds[0].fd = m_sock;
- fds[0].events = POLLOUT;
-
- const int retval = poll(fds, 1, timeout_ms);
-
- if (retval == -1) {
- stringstream ss;
- ss << "TCP Socket send error on poll(): " << strerror(errno);
- throw std::runtime_error(ss.str());
- }
- else if (retval == 0) {
- // Timed out
- return 0;
- }
- }
-
- /* On Linux, the MSG_NOSIGNAL flag ensures that the process would not
- * receive a SIGPIPE and die.
- * Other systems have SO_NOSIGPIPE set on the socket for the same effect. */
-#if defined(HAVE_MSG_NOSIGNAL)
- const int flags = MSG_NOSIGNAL;
-#else
- const int flags = 0;
-#endif
- const ssize_t ret = ::send(m_sock, (const char*)data, size, flags);
-
- if (ret == SOCKET_ERROR) {
- stringstream ss;
- ss << "TCP Socket send error: " << strerror(errno);
- throw std::runtime_error(ss.str());
- }
- return ret;
-}
-
-void TcpSocket::listen()
-{
- if (::listen(m_sock, 1) == SOCKET_ERROR) {
- stringstream ss;
- ss << "TCP Socket listen error: " << strerror(errno);
- throw std::runtime_error(ss.str());
- }
-}
-
-TcpSocket TcpSocket::accept()
-{
- InetAddress remote_addr;
- socklen_t addrLen = sizeof(sockaddr_in);
-
- SOCKET socket = ::accept(m_sock, remote_addr.getAddress(), &addrLen);
- if (socket == SOCKET_ERROR) {
- stringstream ss;
- ss << "TCP Socket accept error: " << strerror(errno);
- throw std::runtime_error(ss.str());
- }
- else {
- TcpSocket client(socket, m_own_address, remote_addr);
- return client;
- }
-}
-
-TcpSocket TcpSocket::accept(int timeout_ms)
-{
- struct pollfd fds[1];
- fds[0].fd = m_sock;
- fds[0].events = POLLIN | POLLOUT;
-
- int retval = poll(fds, 1, timeout_ms);
-
- if (retval == -1) {
- stringstream ss;
- ss << "TCP Socket accept error: " << strerror(errno);
- throw std::runtime_error(ss.str());
- }
- else if (retval) {
- return accept();
- }
- else {
- TcpSocket invalidsock(0, "");
- return invalidsock;
- }
-}
-
-
-InetAddress TcpSocket::getOwnAddress() const
-{
- return m_own_address;
-}
-
-InetAddress TcpSocket::getRemoteAddress() const
-{
- return m_remote_address;
-}
-
-
-TCPConnection::TCPConnection(TcpSocket&& sock) :
- queue(),
- m_running(true),
- m_sender_thread(),
- m_sock(move(sock))
-{
- auto own_addr = m_sock.getOwnAddress();
- auto addr = m_sock.getRemoteAddress();
- etiLog.level(debug) << "New TCP Connection on port " <<
- own_addr.getPort() << " from " <<
- addr.getHostAddress() << ":" << addr.getPort();
- m_sender_thread = std::thread(&TCPConnection::process, this);
-}
-
-TCPConnection::~TCPConnection()
-{
- m_running = false;
- vec_u8 termination_marker;
- queue.push(termination_marker);
- m_sender_thread.join();
-}
-
-void TCPConnection::process()
-{
- while (m_running) {
- vec_u8 data;
- queue.wait_and_pop(data);
-
- if (data.empty()) {
- // empty vector is the termination marker
- m_running = false;
- break;
- }
-
- try {
- ssize_t remaining = data.size();
- const uint8_t *buf = reinterpret_cast<const uint8_t*>(data.data());
- const int timeout_ms = 10; // Less than one ETI frame
-
- while (m_running and remaining > 0) {
- const ssize_t sent = m_sock.send(buf, remaining, timeout_ms);
- if (sent < 0 or sent > remaining) {
- throw std::logic_error("Invalid TcpSocket::send() return value");
- }
- remaining -= sent;
- buf += sent;
- }
- }
- catch (const std::runtime_error& e) {
- m_running = false;
- }
- }
-
-
- auto own_addr = m_sock.getOwnAddress();
- auto addr = m_sock.getRemoteAddress();
- etiLog.level(debug) << "Dropping TCP Connection on port " <<
- own_addr.getPort() << " from " <<
- addr.getHostAddress() << ":" << addr.getPort();
-}
-
-
-TCPDataDispatcher::TCPDataDispatcher(size_t max_queue_size) :
- m_max_queue_size(max_queue_size)
-{
-}
-
-TCPDataDispatcher::~TCPDataDispatcher()
-{
- m_running = false;
- m_connections.clear();
- m_listener_socket.close();
- m_listener_thread.join();
-}
-
-void TCPDataDispatcher::start(int port, const string& address)
-{
- TcpSocket sock(port, address);
- m_listener_socket = move(sock);
-
- m_running = true;
- m_listener_thread = std::thread(&TCPDataDispatcher::process, this);
-}
-
-void TCPDataDispatcher::write(const vec_u8& data)
-{
- for (auto& connection : m_connections) {
- connection.queue.push(data);
- }
-
- m_connections.remove_if(
- [&](const TCPConnection& conn){ return conn.queue.size() > m_max_queue_size; });
-}
-
-void TCPDataDispatcher::process()
-{
- try {
- m_listener_socket.listen();
-
- const int timeout_ms = 1000;
-
- while (m_running) {
- // Add a new TCPConnection to the list, constructing it from the client socket
- auto sock = m_listener_socket.accept(timeout_ms);
- if (sock.isValid()) {
- m_connections.emplace(m_connections.begin(), move(sock));
- }
- }
- }
- catch (const std::runtime_error& e) {
- etiLog.level(error) << "TCPDataDispatcher caught runtime error: " << e.what();
- m_running = false;
- }
-}
-
diff --git a/src/TcpSocket.h b/src/TcpSocket.h
deleted file mode 100644
index ec7afd3..0000000
--- a/src/TcpSocket.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the Queen in
- Right of Canada (Communications Research Center Canada)
-
- Copyright (C) 2019
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMux.
-
- ODR-DabMux is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- ODR-DabMux is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _TCPSOCKET
-#define _TCPSOCKET
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "InetAddress.h"
-#include "ThreadsafeQueue.h"
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <pthread.h>
-#define SOCKET int
-#define INVALID_SOCKET -1
-#define SOCKET_ERROR -1
-#define reuseopt_t int
-
-#include <iostream>
-#include <string>
-#include <vector>
-#include <memory>
-#include <atomic>
-#include <thread>
-#include <list>
-
-/**
- * This class represents a TCP socket.
- */
-class TcpSocket
-{
- public:
- /** Create a new socket that does nothing */
- TcpSocket();
-
- /** Create a new socket listening for incoming connections.
- * @param port The port number on which the socket will listen.
- * @param name The IP address on which the socket will be bound.
- * It is used to bind the socket on a specific interface if
- * the computer have many NICs.
- */
- TcpSocket(int port, const std::string& name);
- ~TcpSocket();
- TcpSocket(TcpSocket&& other);
- TcpSocket& operator=(TcpSocket&& other);
- TcpSocket(const TcpSocket& other) = delete;
- TcpSocket& operator=(const TcpSocket& other) = delete;
-
- bool isValid(void);
-
- int close(void);
-
- /** Send data over the TCP connection.
- * @param data The buffer that will be sent.
- * @param size Number of bytes to send.
- * @param timeout_ms number of milliseconds before timeout, or 0 for infinite timeout
- * return number of bytes sent, 0 on timeout, or throws runtime_error.
- */
- ssize_t send(const void* data, size_t size, int timeout_ms=0);
-
- /** Receive data from the socket.
- * @param data The buffer that will receive data.
- * @param size The buffer size.
- * @return number of bytes received or -1 (SOCKET_ERROR) if error
- */
- ssize_t recv(void* data, size_t size);
-
- void listen(void);
- TcpSocket accept(void);
-
- /* Returns either valid socket if a connection was
- * accepted before the timeout expired, or an invalid
- * socket otherwise.
- */
- TcpSocket accept(int timeout_ms);
-
- /** Retrieve address this socket is bound to */
- InetAddress getOwnAddress() const;
- InetAddress getRemoteAddress() const;
-
- private:
- TcpSocket(SOCKET sock, InetAddress own, InetAddress remote);
-
- /// The address on which the socket is bound.
- InetAddress m_own_address;
- InetAddress m_remote_address;
- /// The low-level socket used by system functions.
- SOCKET m_sock;
-};
-
-/* Helper class for TCPDataDispatcher, contains a queue of pending data and
- * a sender thread. */
-class TCPConnection
-{
- public:
- TCPConnection(TcpSocket&& sock);
- TCPConnection(const TCPConnection&) = delete;
- TCPConnection& operator=(const TCPConnection&) = delete;
- ~TCPConnection();
-
- ThreadsafeQueue<std::vector<uint8_t> > queue;
-
- private:
- std::atomic<bool> m_running;
- std::thread m_sender_thread;
- TcpSocket m_sock;
-
- void process(void);
-};
-
-/* Send a TCP stream to several destinations, and automatically disconnect destinations
- * whose buffer overflows.
- */
-class TCPDataDispatcher
-{
- public:
- TCPDataDispatcher(size_t max_queue_size);
- ~TCPDataDispatcher();
- TCPDataDispatcher(const TCPDataDispatcher&) = delete;
- TCPDataDispatcher& operator=(const TCPDataDispatcher&) = delete;
-
- void start(int port, const std::string& address);
- void write(const std::vector<uint8_t>& data);
-
- private:
- void process(void);
-
- size_t m_max_queue_size;
-
- std::atomic<bool> m_running;
- std::thread m_listener_thread;
- TcpSocket m_listener_socket;
- std::list<TCPConnection> m_connections;
-};
-
-#endif // _TCPSOCKET
diff --git a/src/UdpSocket.cpp b/src/UdpSocket.cpp
deleted file mode 100644
index 3d015ec..0000000
--- a/src/UdpSocket.cpp
+++ /dev/null
@@ -1,256 +0,0 @@
-/*
- Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
- Queen in Right of Canada (Communications Research Center Canada)
-
- Copyright (C) 2017
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMux.
-
- ODR-DabMux is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- ODR-DabMux is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "UdpSocket.h"
-
-#include <iostream>
-#include <stdio.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-
-using namespace std;
-
-UdpSocket::UdpSocket() :
- listenSocket(INVALID_SOCKET)
-{
- reinit(0, "");
-}
-
-UdpSocket::UdpSocket(int port) :
- listenSocket(INVALID_SOCKET)
-{
- reinit(port, "");
-}
-
-UdpSocket::UdpSocket(int port, const std::string& name) :
- listenSocket(INVALID_SOCKET)
-{
- reinit(port, name);
-}
-
-
-int UdpSocket::setBlocking(bool block)
-{
- int res;
- if (block)
- res = fcntl(listenSocket, F_SETFL, 0);
- else
- res = fcntl(listenSocket, F_SETFL, O_NONBLOCK);
- if (res == SOCKET_ERROR) {
- setInetError("Can't change blocking state of socket");
- return -1;
- }
- return 0;
-}
-
-int UdpSocket::reinit(int port, const std::string& name)
-{
- if (listenSocket != INVALID_SOCKET) {
- ::close(listenSocket);
- }
-
- if ((listenSocket = socket(PF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET) {
- setInetError("Can't create socket");
- return -1;
- }
- reuseopt_t reuse = 1;
- if (setsockopt(listenSocket, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse))
- == SOCKET_ERROR) {
- setInetError("Can't reuse address");
- return -1;
- }
-
- if (port) {
- address.setAddress(name);
- address.setPort(port);
-
- if (::bind(listenSocket, address.getAddress(), sizeof(sockaddr_in)) == SOCKET_ERROR) {
- setInetError("Can't bind socket");
- ::close(listenSocket);
- listenSocket = INVALID_SOCKET;
- return -1;
- }
- }
- return 0;
-}
-
-int UdpSocket::close()
-{
- if (listenSocket != INVALID_SOCKET) {
- ::close(listenSocket);
- }
-
- listenSocket = INVALID_SOCKET;
-
- return 0;
-}
-
-UdpSocket::~UdpSocket()
-{
- if (listenSocket != INVALID_SOCKET) {
- ::close(listenSocket);
- }
-}
-
-
-int UdpSocket::receive(UdpPacket& packet)
-{
- socklen_t addrSize;
- addrSize = sizeof(*packet.getAddress().getAddress());
- ssize_t ret = recvfrom(listenSocket,
- packet.getData(),
- packet.getSize(),
- 0,
- packet.getAddress().getAddress(),
- &addrSize);
-
- if (ret == SOCKET_ERROR) {
- packet.setSize(0);
- if (errno == EAGAIN) {
- return 0;
- }
- setInetError("Can't receive UDP packet");
- return -1;
- }
-
- packet.setSize(ret);
- return 0;
-}
-
-int UdpSocket::send(UdpPacket& packet)
-{
- int ret = sendto(listenSocket, packet.getData(), packet.getSize(), 0,
- packet.getAddress().getAddress(), sizeof(*packet.getAddress().getAddress()));
- if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
- setInetError("Can't send UDP packet");
- return -1;
- }
- return 0;
-}
-
-
-int UdpSocket::send(const std::vector<uint8_t>& data, InetAddress destination)
-{
- int ret = sendto(listenSocket, &data[0], data.size(), 0,
- destination.getAddress(), sizeof(*destination.getAddress()));
- if (ret == SOCKET_ERROR && errno != ECONNREFUSED) {
- setInetError("Can't send UDP packet");
- return -1;
- }
- return 0;
-}
-
-
-/**
- * Must be called to receive data on a multicast address.
- * @param groupname The multica
-st address to join.
- * @return 0 if ok, -1 if error
- */
-int UdpSocket::joinGroup(char* groupname)
-{
- ip_mreqn group;
- if ((group.imr_multiaddr.s_addr = inet_addr(groupname)) == INADDR_NONE) {
- setInetError(groupname);
- return -1;
- }
- if (!IN_MULTICAST(ntohl(group.imr_multiaddr.s_addr))) {
- setInetError("Not a multicast address");
- return -1;
- }
- group.imr_address.s_addr = htons(INADDR_ANY);;
- group.imr_ifindex = 0;
- if (setsockopt(listenSocket, IPPROTO_IP, IP_ADD_MEMBERSHIP, &group, sizeof(group))
- == SOCKET_ERROR) {
- setInetError("Can't join multicast group");
- }
- return 0;
-}
-
-int UdpSocket::setMulticastTTL(int ttl)
-{
- if (setsockopt(listenSocket, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl))
- == SOCKET_ERROR) {
- setInetError("Can't set ttl");
- return -1;
- }
-
- return 0;
-}
-
-int UdpSocket::setMulticastSource(const char* source_addr)
-{
- struct in_addr addr;
- if (inet_aton(source_addr, &addr) == 0) {
- setInetError("Can't parse source address");
- return -1;
- }
-
- if (setsockopt(listenSocket, IPPROTO_IP, IP_MULTICAST_IF, &addr, sizeof(addr))
- == SOCKET_ERROR) {
- setInetError("Can't set source address");
- return -1;
- }
-
- return 0;
-}
-
-UdpPacket::UdpPacket() { }
-
-UdpPacket::UdpPacket(size_t initSize) :
- m_buffer(initSize)
-{ }
-
-
-void UdpPacket::setSize(size_t newSize)
-{
- m_buffer.resize(newSize);
-}
-
-
-uint8_t* UdpPacket::getData()
-{
- return &m_buffer[0];
-}
-
-
-void UdpPacket::addData(const void *data, size_t size)
-{
- uint8_t *d = (uint8_t*)data;
- std::copy(d, d + size, std::back_inserter(m_buffer));
-}
-
-size_t UdpPacket::getSize()
-{
- return m_buffer.size();
-}
-
-InetAddress UdpPacket::getAddress()
-{
- return address;
-}
-
diff --git a/src/UdpSocket.h b/src/UdpSocket.h
deleted file mode 100644
index f51e87c..0000000
--- a/src/UdpSocket.h
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
- Queen in Right of Canada (Communications Research Center Canada)
-
- Copyright (C) 2017
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://www.opendigitalradio.org
- */
-/*
- This file is part of ODR-DabMux.
-
- ODR-DabMux is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- ODR-DabMux is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "InetAddress.h"
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <unistd.h>
-#include <netdb.h>
-#include <arpa/inet.h>
-#include <pthread.h>
-#define SOCKET int
-#define INVALID_SOCKET -1
-#define SOCKET_ERROR -1
-#define reuseopt_t int
-
-#include <stdlib.h>
-#include <iostream>
-#include <vector>
-
-class UdpPacket;
-
-
-/**
- * This class represents a socket for sending and receiving UDP packets.
- *
- * A UDP socket is the sending or receiving point for a packet delivery service.
- * Each packet sent or received on a datagram socket is individually
- * addressed and routed. Multiple packets sent from one machine to another may
- * be routed differently, and may arrive in any order.
- */
-class UdpSocket
-{
- public:
- /** Create a new socket that will not be bound to any port. To be used
- * for data output.
- */
- UdpSocket();
- /** Create a new socket.
- * @param port The port number on which the socket will be bound
- */
- UdpSocket(int port);
- /** Create a new socket.
- * @param port The port number on which the socket will be bound
- * @param name The IP address on which the socket will be bound.
- * It is used to bind the socket on a specific interface if
- * the computer have many NICs.
- */
- UdpSocket(int port, const std::string& name);
- ~UdpSocket();
- UdpSocket(const UdpSocket& other) = delete;
- const UdpSocket& operator=(const UdpSocket& other) = delete;
-
- /** reinitialise socket. Close the already open socket, and
- * create a new one
- */
- int reinit(int port, const std::string& name);
-
- /** Close the socket
- */
- int close(void);
-
- /** Send an UDP packet.
- * @param packet The UDP packet to be sent. It includes the data and the
- * destination address
- * return 0 if ok, -1 if error
- */
- int send(UdpPacket& packet);
-
- /** Send an UDP packet
- *
- * return 0 if ok, -1 if error
- */
- int send(const std::vector<uint8_t>& data, InetAddress destination);
-
- /** Receive an UDP packet.
- * @param packet The packet that will receive the data. The address will be set
- * to the source address.
- * @return 0 if ok, -1 if error
- */
- int receive(UdpPacket& packet);
-
- int joinGroup(char* groupname);
- int setMulticastSource(const char* source_addr);
- int setMulticastTTL(int ttl);
-
- /** Set blocking mode. By default, the socket is blocking.
- * @return 0 if ok
- * -1 if error
- */
- int setBlocking(bool block);
-
- protected:
-
- /// The address on which the socket is bound.
- InetAddress address;
- /// The low-level socket used by system functions.
- SOCKET listenSocket;
-};
-
-/** This class represents a UDP packet.
- *
- * A UDP packet contains a payload (sequence of bytes) and an address. For
- * outgoing packets, the address is the destination address. For incoming
- * packets, the address tells the user from what source the packet arrived from.
- */
-class UdpPacket
-{
- public:
- /** Construct an empty UDP packet.
- */
- UdpPacket();
- UdpPacket(size_t initSize);
-
- /** Give the pointer to data.
- * @return The pointer
- */
- uint8_t* getData(void);
-
- /** Append some data at the end of data buffer and adjust size.
- * @param data Pointer to the data to add
- * @param size Size in bytes of new data
- */
- void addData(const void *data, size_t size);
-
- size_t getSize(void);
-
- /** Changes size of the data buffer size. Keeps data intact unless
- * truncated.
- */
- void setSize(size_t newSize);
-
- /** Returns the UDP address of the packet.
- */
- InetAddress getAddress(void);
-
- const std::vector<uint8_t>& getBuffer(void) const {
- return m_buffer;
- }
-
-
- private:
- std::vector<uint8_t> m_buffer;
- InetAddress address;
-};
-
diff --git a/src/dabOutput/dabOutput.h b/src/dabOutput/dabOutput.h
index 9cc18d7..c7e570b 100644
--- a/src/dabOutput/dabOutput.h
+++ b/src/dabOutput/dabOutput.h
@@ -28,8 +28,7 @@
#pragma once
-#include "UdpSocket.h"
-#include "TcpSocket.h"
+#include "Socket.h"
#include "Log.h"
#include "string.h"
#include <stdexcept>
@@ -57,6 +56,8 @@ class DabOutput
{
return Open(name.c_str());
}
+
+ // Return -1 on failure
virtual int Write(void* buffer, int size) = 0;
virtual int Close() = 0;
@@ -145,15 +146,7 @@ class DabOutputRaw : public DabOutput
class DabOutputUdp : public DabOutput
{
public:
- DabOutputUdp() {
- packet_ = new UdpPacket(6144);
- socket_ = new UdpSocket();
- }
-
- virtual ~DabOutputUdp() {
- delete socket_;
- delete packet_;
- }
+ DabOutputUdp();
int Open(const char* name);
int Write(void* buffer, int size);
@@ -171,8 +164,8 @@ class DabOutputUdp : public DabOutput
DabOutputUdp operator=(const DabOutputUdp& other) = delete;
std::string uri_;
- UdpSocket* socket_;
- UdpPacket* packet_;
+ Socket::UDPSocket socket_;
+ Socket::UDPPacket packet_;
};
// -------------- TCP ------------------
@@ -190,7 +183,7 @@ class DabOutputTcp : public DabOutput
private:
std::string uri_;
- std::shared_ptr<TCPDataDispatcher> dispatcher_;
+ std::shared_ptr<Socket::TCPDataDispatcher> dispatcher_;
};
// -------------- Simul ------------------
diff --git a/src/dabOutput/dabOutputTcp.cpp b/src/dabOutput/dabOutputTcp.cpp
index 87dbfd5..4dc3538 100644
--- a/src/dabOutput/dabOutputTcp.cpp
+++ b/src/dabOutput/dabOutputTcp.cpp
@@ -94,7 +94,7 @@ int DabOutputTcp::Open(const char* name)
uri_ = name;
if (success) {
- dispatcher_ = make_shared<TCPDataDispatcher>(MAX_QUEUED_ETI_FRAMES);
+ dispatcher_ = make_shared<Socket::TCPDataDispatcher>(MAX_QUEUED_ETI_FRAMES);
dispatcher_->start(port, address);
}
else {
diff --git a/src/dabOutput/dabOutputUdp.cpp b/src/dabOutput/dabOutputUdp.cpp
index c129569..b9c22db 100644
--- a/src/dabOutput/dabOutputUdp.cpp
+++ b/src/dabOutput/dabOutputUdp.cpp
@@ -38,18 +38,12 @@
#include <cstdio>
#include <limits.h>
#include "dabOutput.h"
-#include "UdpSocket.h"
-
-#ifdef _WIN32
-# include <fscfg.h>
-# include <sdci.h>
-#else
-# include <netinet/in.h>
-# include <sys/types.h>
-# include <sys/socket.h>
-# include <sys/ioctl.h>
-# include <net/if_arp.h>
-#endif
+#include "Socket.h"
+
+DabOutputUdp::DabOutputUdp() :
+ socket_(),
+ packet_(6144)
+{ }
int DabOutputUdp::Open(const char* name)
{
@@ -64,12 +58,6 @@ int DabOutputUdp::Open(const char* name)
regex_constants::match_default)) {
string address = what[1];
- if (this->packet_->getAddress().setAddress(address.c_str()) == -1) {
- etiLog.level(error) << "can't set address " <<
- address << "(" << inetErrDesc << ": " << inetErrMsg << ")";
- return -1;
- }
-
string port_str = what[2];
long port = std::strtol(port_str.c_str(), nullptr, 0);
@@ -79,7 +67,7 @@ int DabOutputUdp::Open(const char* name)
return -1;
}
- this->packet_->getAddress().setPort(port);
+ packet_.address.resolveUdpDestination(address, port);
string query_params = what[3];
smatch query_what;
@@ -87,28 +75,25 @@ int DabOutputUdp::Open(const char* name)
regex_constants::match_default)) {
string src = query_what[1];
- int err = socket_->setMulticastSource(src.c_str());
- if (err) {
- etiLog.level(error) << "UDP output socket set source failed!";
- return -1;
- }
+ try {
+ socket_.setMulticastSource(src.c_str());
- string ttl_str = query_what[2];
+ string ttl_str = query_what[2];
- if (not ttl_str.empty()) {
- long ttl = std::strtol(ttl_str.c_str(), nullptr, 0);
- if ((ttl <= 0) || (ttl >= 255)) {
- etiLog.level(error) << "Invalid TTL setting in " <<
- uri_without_proto;
- return -1;
- }
+ if (not ttl_str.empty()) {
+ long ttl = std::strtol(ttl_str.c_str(), nullptr, 0);
+ if ((ttl <= 0) || (ttl >= 255)) {
+ etiLog.level(error) << "Invalid TTL setting in " <<
+ uri_without_proto;
+ return -1;
+ }
- err = socket_->setMulticastTTL(ttl);
- if (err) {
- etiLog.level(error) << "UDP output socket set TTL failed!";
- return -1;
+ socket_.setMulticastTTL(ttl);
}
}
+ catch (const std::runtime_error& e) {
+ etiLog.level(error) << "Failed to set UDP output settings" << e.what();
+ }
}
else if (not query_params.empty()) {
etiLog.level(error) << "UDP output: could not parse parameters " <<
@@ -129,9 +114,11 @@ int DabOutputUdp::Open(const char* name)
int DabOutputUdp::Write(void* buffer, int size)
{
- this->packet_->setSize(0);
- this->packet_->addData(buffer, size);
- return this->socket_->send(*this->packet_);
+ const uint8_t *buf = reinterpret_cast<uint8_t*>(buffer);
+ packet_.buffer.resize(0);
+ std::copy(buf, buf + size, std::back_inserter(packet_.buffer));
+ socket_.send(packet_);
+ return 0;
}
#endif // defined(HAVE_OUTPUT_UDP)
diff --git a/src/dabOutput/edi/Transport.cpp b/src/dabOutput/edi/Transport.cpp
index d99e987..6d3950f 100644
--- a/src/dabOutput/edi/Transport.cpp
+++ b/src/dabOutput/edi/Transport.cpp
@@ -69,23 +69,17 @@ Sender::Sender(const configuration_t& conf) :
for (const auto& edi_dest : m_conf.destinations) {
if (const auto udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(edi_dest)) {
- auto udp_socket = std::make_shared<UdpSocket>(udp_dest->source_port);
+ auto udp_socket = std::make_shared<Socket::UDPSocket>(udp_dest->source_port);
if (not udp_dest->source_addr.empty()) {
- int err = udp_socket->setMulticastSource(udp_dest->source_addr.c_str());
- if (err) {
- throw runtime_error("EDI socket set source failed!");
- }
- err = udp_socket->setMulticastTTL(udp_dest->ttl);
- if (err) {
- throw runtime_error("EDI socket set TTL failed!");
- }
+ udp_socket->setMulticastSource(udp_dest->source_addr.c_str());
+ udp_socket->setMulticastTTL(udp_dest->ttl);
}
udp_sockets.emplace(udp_dest.get(), udp_socket);
}
else if (auto tcp_dest = dynamic_pointer_cast<edi::tcp_destination_t>(edi_dest)) {
- auto dispatcher = make_shared<TCPDataDispatcher>(tcp_dest->max_frames_queued);
+ auto dispatcher = make_shared<Socket::TCPDataDispatcher>(tcp_dest->max_frames_queued);
dispatcher->start(tcp_dest->listen_port, "0.0.0.0");
tcp_dispatchers.emplace(tcp_dest.get(), dispatcher);
}
@@ -129,9 +123,8 @@ void Sender::write(const TagPacket& tagpacket)
for (const auto& edi_frag : edi_fragments) {
for (auto& dest : m_conf.destinations) {
if (const auto& udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(dest)) {
- InetAddress addr;
- addr.setAddress(udp_dest->dest_addr.c_str());
- addr.setPort(m_conf.dest_port);
+ Socket::InetAddress addr;
+ addr.resolveUdpDestination(udp_dest->dest_addr, m_conf.dest_port);
udp_sockets.at(udp_dest.get())->send(edi_frag, addr);
}
@@ -158,9 +151,8 @@ void Sender::write(const TagPacket& tagpacket)
// Send over ethernet
for (auto& dest : m_conf.destinations) {
if (const auto& udp_dest = dynamic_pointer_cast<edi::udp_destination_t>(dest)) {
- InetAddress addr;
- addr.setAddress(udp_dest->dest_addr.c_str());
- addr.setPort(m_conf.dest_port);
+ Socket::InetAddress addr;
+ addr.resolveUdpDestination(udp_dest->dest_addr, m_conf.dest_port);
udp_sockets.at(udp_dest.get())->send(af_packet, addr);
}
diff --git a/src/dabOutput/edi/Transport.h b/src/dabOutput/edi/Transport.h
index 7b0a0db..74126d1 100644
--- a/src/dabOutput/edi/Transport.h
+++ b/src/dabOutput/edi/Transport.h
@@ -32,11 +32,11 @@
#include "AFPacket.h"
#include "PFT.h"
#include "Interleaver.h"
+#include "Socket.h"
#include <vector>
#include <unordered_map>
#include <stdexcept>
#include <cstdint>
-#include "dabOutput/dabOutput.h"
namespace edi {
@@ -61,8 +61,8 @@ class Sender {
// To mitigate for burst packet loss, PFT fragments can be sent out-of-order
edi::Interleaver edi_interleaver;
- std::unordered_map<udp_destination_t*, std::shared_ptr<UdpSocket>> udp_sockets;
- std::unordered_map<tcp_destination_t*, std::shared_ptr<TCPDataDispatcher>> tcp_dispatchers;
+ std::unordered_map<udp_destination_t*, std::shared_ptr<Socket::UDPSocket>> udp_sockets;
+ std::unordered_map<tcp_destination_t*, std::shared_ptr<Socket::TCPDataDispatcher>> tcp_dispatchers;
};
}
diff --git a/src/input/Udp.cpp b/src/input/Udp.cpp
index 2cb49e7..b4cced0 100644
--- a/src/input/Udp.cpp
+++ b/src/input/Udp.cpp
@@ -82,17 +82,8 @@ void Udp::openUdpSocket(const std::string& endpoint)
throw out_of_range("can't use port number 0 in udp address");
}
- if (m_sock.reinit(port, address) == -1) {
- stringstream ss;
- ss << "Could not init UDP socket: " << inetErrMsg;
- throw runtime_error(ss.str());
- }
-
- if (m_sock.setBlocking(false) == -1) {
- stringstream ss;
- ss << "Could not set non-blocking UDP socket: " << inetErrMsg;
- throw runtime_error(ss.str());
- }
+ m_sock.reinit(port, address);
+ m_sock.setBlocking(false);
etiLog.level(info) << "Opened UDP port " << address << ":" << port;
}
@@ -100,17 +91,9 @@ void Udp::openUdpSocket(const std::string& endpoint)
int Udp::readFrame(uint8_t* buffer, size_t size)
{
// Regardless of buffer contents, try receiving data.
- UdpPacket packet(32768);
- int ret = m_sock.receive(packet);
-
- if (ret == -1) {
- stringstream ss;
- ss << "Could not read from UDP socket: " << inetErrMsg;
- throw runtime_error(ss.str());
- }
+ auto packet = m_sock.receive(32768);
- std::copy(packet.getData(), packet.getData() + packet.getSize(),
- back_inserter(m_buffer));
+ std::copy(packet.buffer.cbegin(), packet.buffer.cend(), back_inserter(m_buffer));
// Take data from the buffer if it contains enough data,
// in any case write the buffer
@@ -136,7 +119,8 @@ int Udp::setBitrate(int bitrate)
int Udp::close()
{
- return m_sock.close();
+ m_sock.close();
+ return 0;
}
@@ -190,29 +174,22 @@ int Sti_d_Rtp::open(const std::string& name)
void Sti_d_Rtp::receive_packet()
{
- UdpPacket packet(32768);
- int ret = m_sock.receive(packet);
-
- if (ret == -1) {
- stringstream ss;
- ss << "Could not read from UDP socket: " << inetErrMsg;
- throw runtime_error(ss.str());
- }
+ auto packet = m_sock.receive(32768);
- if (packet.getSize() == 0) {
+ if (packet.buffer.empty()) {
// No packet was received
return;
}
const size_t STI_FC_LEN = 8;
- if (packet.getSize() < RTP_HEADER_LEN + STI_SYNC_LEN + STI_FC_LEN) {
+ if (packet.buffer.size() < RTP_HEADER_LEN + STI_SYNC_LEN + STI_FC_LEN) {
etiLog.level(info) << "Received too small RTP packet for " <<
m_name;
return;
}
- if (not rtpHeaderValid(packet.getData())) {
+ if (not rtpHeaderValid(packet.buffer.data())) {
etiLog.level(info) << "Received invalid RTP header for " <<
m_name;
return;
@@ -220,7 +197,7 @@ void Sti_d_Rtp::receive_packet()
// STI(PI, X)
size_t index = RTP_HEADER_LEN;
- const uint8_t *buf = packet.getData();
+ const uint8_t *buf = packet.buffer.data();
// SYNC
index++; // Advance over STAT
@@ -242,7 +219,7 @@ void Sti_d_Rtp::receive_packet()
m_name;
return;
}
- if (packet.getSize() < index + DFS) {
+ if (packet.buffer.size() < index + DFS) {
etiLog.level(info) << "Received STI too small for given DFS for " <<
m_name;
return;
@@ -270,9 +247,9 @@ void Sti_d_Rtp::receive_packet()
uint16_t NST = unpack2(buf+index) & 0x7FF; // 11 bits
index += 2;
- if (packet.getSize() < index + 4*NST) {
+ if (packet.buffer.size() < index + 4*NST) {
etiLog.level(info) << "Received STI too small to contain NST for " <<
- m_name << " packet: " << packet.getSize() << " need " <<
+ m_name << " packet: " << packet.buffer.size() << " need " <<
index + 4*NST;
return;
}
diff --git a/src/input/Udp.h b/src/input/Udp.h
index dc01486..dd637c6 100644
--- a/src/input/Udp.h
+++ b/src/input/Udp.h
@@ -31,7 +31,7 @@
#include <deque>
#include <boost/thread.hpp>
#include "input/inputs.h"
-#include "UdpSocket.h"
+#include "Socket.h"
namespace Inputs {
@@ -46,7 +46,7 @@ class Udp : public InputBase {
virtual int close();
protected:
- UdpSocket m_sock;
+ Socket::UDPSocket m_sock;
std::string m_name;
void openUdpSocket(const std::string& endpoint);