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diff --git a/src/pgm_socket.cpp b/src/pgm_socket.cpp
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+++ b/src/pgm_socket.cpp
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+/*
+ Copyright (c) 2007-2009 FastMQ Inc.
+
+ This file is part of 0MQ.
+
+ 0MQ is free software; you can redistribute it and/or modify it under
+ the terms of the Lesser GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ 0MQ 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
+ Lesser GNU General Public License for more details.
+
+ You should have received a copy of the Lesser GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "platform.hpp"
+
+#if defined ZMQ_HAVE_OPENPGM
+
+#ifdef ZMQ_HAVE_LINUX
+#include <pgm/pgm.h>
+#else
+#include <Winsock2.h>
+#include <Wsrm.h>
+#include <ws2spi.h>
+#endif
+
+#include <string>
+#include <iostream>
+
+#include "options.hpp"
+#include "pgm_socket.hpp"
+#include "config.hpp"
+#include "err.hpp"
+
+//#define PGM_SOCKET_DEBUG
+//#define PGM_SOCKET_DEBUG_LEVEL 1
+
+// level 1 = key behaviour
+// level 2 = processing flow
+// level 4 = infos
+
+#ifndef PGM_SOCKET_DEBUG
+# define zmq_log(n, ...) while (0)
+#else
+# define zmq_log(n, ...) do { if ((n) <= PGM_SOCKET_DEBUG_LEVEL) \
+ { printf (__VA_ARGS__);}} while (0)
+#endif
+
+#ifdef ZMQ_HAVE_LINUX
+
+zmq::pgm_socket_t::pgm_socket_t (bool receiver_, const options_t &options_) :
+ g_transport (NULL),
+ options (options_),
+ receiver (receiver_),
+ port_number (0),
+ udp_encapsulation (false),
+ pgm_msgv (NULL),
+ nbytes_rec (0),
+ nbytes_processed (0),
+ pgm_msgv_processed (0),
+ pgm_msgv_len (0)
+{
+
+}
+
+int zmq::pgm_socket_t::init (const char *network_)
+{
+ // Check if we are encapsulating into UDP, natwork string has to
+ // start with udp:.
+ const char *network_ptr = network_;
+
+ if (strlen (network_) >= 4 && network_ [0] == 'u' &&
+ network_ [1] == 'd' && network_ [2] == 'p' &&
+ network_ [3] == ':') {
+
+ // Shift interface_ptr after ':'.
+ network_ptr += 4;
+
+ udp_encapsulation = true;
+ }
+
+ // Parse port number.
+ const char *port_delim = strchr (network_ptr, ':');
+ if (!port_delim) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ port_number = atoi (port_delim + 1);
+
+ // Store interface string.
+ if (port_delim <= network_ptr) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (port_delim - network_ptr >= (int) sizeof (network) - 1) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ memset (network, '\0', sizeof (network));
+ memcpy (network, network_ptr, port_delim - network_ptr);
+
+
+ zmq_log (1, "parsed: network %s, port %i, udp encaps. %s, %s(%i)\n",
+ network, port_number, udp_encapsulation ? "yes" : "no",
+ __FILE__, __LINE__);
+
+ // Open PGM transport.
+ int rc = open_transport ();
+ if (rc != 0)
+ return -1;
+
+ // For receiver transport preallocate pgm_msgv array.
+ // in_batch_size configured in confing.hpp
+ if (receiver) {
+ pgm_msgv_len = get_max_apdu_at_once (in_batch_size);
+ pgm_msgv = new pgm_msgv_t [pgm_msgv_len];
+ }
+
+ return 0;
+}
+
+int zmq::pgm_socket_t::open_transport (void)
+{
+
+ zmq_log (1, "Opening PGM: network %s, port %i, udp encaps. %s, %s(%i)\n",
+ network, port_number, udp_encapsulation ? "yes" : "no",
+ __FILE__, __LINE__);
+
+ // Can not open transport before destroying old one.
+ zmq_assert (g_transport == NULL);
+
+ // Set actual_tsi and prev_tsi to zeros.
+ memset (&tsi, '\0', sizeof (pgm_tsi_t));
+ memset (&retired_tsi, '\0', sizeof (pgm_tsi_t));
+
+ // Zero counter used in msgrecv.
+ nbytes_rec = 0;
+ nbytes_processed = 0;
+ pgm_msgv_processed = 0;
+
+ // Init PGM transport.
+ // Ensure threading enabled, ensure timer enabled and find PGM protocol id.
+ //
+ // Note that if you want to use gettimeofday and sleep for openPGM timing,
+ // set environment variables PGM_TIMER to "GTOD"
+ // and PGM_SLEEP to "USLEEP".
+ int rc = pgm_init ();
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // PGM transport GSI.
+ pgm_gsi_t gsi;
+
+ // PGM transport GSRs.
+ struct group_source_req recv_gsr, send_gsr;
+ size_t recv_gsr_len = 1;
+
+ rc = pgm_create_md5_gsi (&gsi);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // On success, 0 is returned. On invalid arguments, -EINVAL is returned.
+ // If more multicast groups are found than the recv_len parameter,
+ // -ENOMEM is returned.
+ rc = pgm_if_parse_transport (network, AF_INET, &recv_gsr,
+ &recv_gsr_len, &send_gsr);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (recv_gsr_len != 1) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ // If we are using UDP encapsulation update send_gsr & recv_gsr
+ // structures. Note that send_gsr & recv_gsr has to be updated after
+ // pgm_if_parse_transport call.
+ if (udp_encapsulation) {
+
+ // Use the same port for UDP encapsulation.
+ ((struct sockaddr_in*)&send_gsr.gsr_group)->sin_port =
+ g_htons (port_number);
+ ((struct sockaddr_in*)&recv_gsr.gsr_group)->sin_port =
+ g_htons (port_number);
+ }
+
+ rc = pgm_transport_create (&g_transport, &gsi, 0, port_number, &recv_gsr,
+ 1, &send_gsr);
+ if (rc != 0) {
+ return -1;
+ }
+
+ // Common parameters for receiver and sender.
+
+ // Set maximum transport protocol data unit size (TPDU).
+ rc = pgm_transport_set_max_tpdu (g_transport, pgm_max_tpdu);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set maximum number of network hops to cross.
+ rc = pgm_transport_set_hops (g_transport, 16);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Receiver transport.
+ if (receiver) {
+
+ // Set transport->may_close_on_failure to true,
+ // after data los recvmsgv returns -1 errno set to ECONNRESET.
+ rc = pgm_transport_set_close_on_failure (g_transport, TRUE);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set transport->can_send_data = FALSE.
+ // Note that NAKs are still generated by the transport.
+ rc = pgm_transport_set_recv_only (g_transport, false);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set NAK transmit back-off interval [us].
+ rc = pgm_transport_set_nak_bo_ivl (g_transport, 50*1000);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set timeout before repeating NAK [us].
+ rc = pgm_transport_set_nak_rpt_ivl (g_transport, 200*1000);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set timeout for receiving RDATA.
+ rc = pgm_transport_set_nak_rdata_ivl (g_transport, 200*1000);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set retries for NAK without NCF/DATA (NAK_DATA_RETRIES).
+ rc = pgm_transport_set_nak_data_retries (g_transport, 5);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set retries for NCF after NAK (NAK_NCF_RETRIES).
+ rc = pgm_transport_set_nak_ncf_retries (g_transport, 2);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set timeout for removing a dead peer [us].
+ rc = pgm_transport_set_peer_expiry (g_transport, 5*8192*1000);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set expiration time of SPM Requests [us].
+ rc = pgm_transport_set_spmr_expiry (g_transport, 25*1000);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set the size of the receive window.
+ //
+ // data rate [B/s] (options.rate is kb/s).
+ if (options.rate <= 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ rc = pgm_transport_set_rxw_max_rte (g_transport,
+ options.rate * 1000 / 8);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Recovery interval [s].
+ if (options.recovery_ivl <= 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ rc = pgm_transport_set_rxw_secs (g_transport, options.recovery_ivl);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Sender transport.
+ } else {
+
+ // Set transport->can_recv = FALSE, waiting_pipe wont not be read.
+ rc = pgm_transport_set_send_only (g_transport, TRUE);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set the size of the send window.
+ //
+ // data rate [B/s] (options.rate is kb/s).
+ if (options.rate <= 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ rc = pgm_transport_set_txw_max_rte (g_transport,
+ options.rate * 1000 / 8);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Recovery interval [s].
+ if (options.recovery_ivl <= 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ rc = pgm_transport_set_txw_secs (g_transport, options.recovery_ivl);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Preallocate full transmit window. For simplification always
+ // worst case is used (40 bytes ipv6 header and 20 bytes UDP
+ // encapsulation).
+ int to_preallocate = options.recovery_ivl * (options.rate * 1000 / 8)
+ / (pgm_max_tpdu - 40 - 20);
+
+ rc = pgm_transport_set_txw_preallocate (g_transport, to_preallocate);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ zmq_log (1, "Preallocated %i slices in TX window. %s(%i)\n",
+ to_preallocate, __FILE__, __LINE__);
+
+ // Set interval of background SPM packets [us].
+ rc = pgm_transport_set_ambient_spm (g_transport, 8192 * 1000);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Set intervals of data flushing SPM packets [us].
+ guint spm_heartbeat[] = {4 * 1000, 4 * 1000, 8 * 1000, 16 * 1000,
+ 32 * 1000, 64 * 1000, 128 * 1000, 256 * 1000, 512 * 1000,
+ 1024 * 1000, 2048 * 1000, 4096 * 1000, 8192 * 1000};
+
+ rc = pgm_transport_set_heartbeat_spm (g_transport, spm_heartbeat,
+ G_N_ELEMENTS(spm_heartbeat));
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+ }
+
+ // Enable multicast loopback.
+ rc = pgm_transport_set_multicast_loop (g_transport, true);
+ if (rc != 0) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ // Bind a transport to the specified network devices.
+ rc = pgm_transport_bind (g_transport);
+ if (rc != 0) {
+ return -1;
+ }
+
+ return 0;
+}
+
+zmq::pgm_socket_t::~pgm_socket_t ()
+{
+ // Celanup.
+ if (pgm_msgv) {
+ delete [] pgm_msgv;
+ }
+
+ if (g_transport)
+ close_transport ();
+}
+
+void zmq::pgm_socket_t::close_transport (void)
+{
+ // g_transport has to be valid.
+ zmq_assert (g_transport);
+
+ pgm_transport_destroy (g_transport, TRUE);
+
+ g_transport = NULL;
+}
+
+// Get receiver fds. recv_fd is from transport->recv_sock
+// waiting_pipe_fd is from transport->waiting_pipe [0]
+int zmq::pgm_socket_t::get_receiver_fds (int *recv_fd_,
+ int *waiting_pipe_fd_)
+{
+
+ // For POLLIN there are 2 pollfds in pgm_transport.
+ int fds_array_size = pgm_receiver_fd_count;
+ pollfd *fds = new pollfd [fds_array_size];
+ memset (fds, '\0', fds_array_size * sizeof (fds));
+
+ // Retrieve pollfds from pgm_transport.
+ int rc = pgm_transport_poll_info (g_transport, fds, &fds_array_size,
+ POLLIN);
+
+ // pgm_transport_poll_info has to return 2 pollfds for POLLIN.
+ // Note that fds_array_size parameter can be
+ // changed inside pgm_transport_poll_info call.
+ zmq_assert (rc == pgm_receiver_fd_count);
+
+ // Store pfds into user allocated space.
+ *recv_fd_ = fds [0].fd;
+ *waiting_pipe_fd_ = fds [1].fd;
+
+ delete [] fds;
+
+ return pgm_receiver_fd_count;
+}
+
+// Get fds and store them into user allocated memory.
+// sender_fd is from pgm_transport->send_sock.
+// receive_fd_ is from transport->recv_sock.
+int zmq::pgm_socket_t::get_sender_fds (int *send_fd_, int *receive_fd_)
+{
+
+ // Preallocate pollfds array.
+ int fds_array_size = pgm_sender_fd_count;
+ pollfd *fds = new pollfd [fds_array_size];
+ memset (fds, '\0', fds_array_size * sizeof (fds));
+
+ // Retrieve pollfds from pgm_transport
+ int rc = pgm_transport_poll_info (g_transport, fds, &fds_array_size,
+ POLLOUT | POLLIN);
+
+ // pgm_transport_poll_info has to return one pollfds for POLLOUT and
+ // second for POLLIN.
+ // Note that fds_array_size parameter can be
+ // changed inside pgm_transport_poll_info call.
+ zmq_assert (rc == pgm_sender_fd_count);
+
+ // Store pfds into user allocated space.
+ *receive_fd_ = fds [0].fd;
+ *send_fd_ = fds [1].fd;
+
+ delete [] fds;
+
+ return pgm_sender_fd_count;
+}
+
+// Send one APDU, transmit window owned memory.
+size_t zmq::pgm_socket_t::send (unsigned char *data_, size_t data_len_)
+{
+ iovec iov = {data_,data_len_};
+
+ ssize_t nbytes = pgm_transport_send_packetv (g_transport, &iov, 1,
+ MSG_DONTWAIT | MSG_WAITALL, true);
+
+ zmq_assert (nbytes != -EINVAL);
+
+ if (nbytes == -1 && errno != EAGAIN) {
+ errno_assert (false);
+ }
+
+ // If nbytes is -1 and errno is EAGAIN means that we can not send data
+ // now. We have to call write_one_pkt again.
+ nbytes = nbytes == -1 ? 0 : nbytes;
+
+ zmq_log (4, "wrote %iB, %s(%i)\n", (int)nbytes, __FILE__, __LINE__);
+
+ // We have to write all data as one packet.
+ if (nbytes > 0) {
+ zmq_assert (nbytes == (ssize_t)data_len_);
+ }
+
+ return nbytes;
+}
+
+// Return max TSDU size without fragmentation from current PGM transport.
+size_t zmq::pgm_socket_t::get_max_tsdu_size (void)
+{
+ return (size_t)pgm_transport_max_tsdu (g_transport, false);
+}
+
+// Returns how many APDUs are needed to fill reading buffer.
+size_t zmq::pgm_socket_t::get_max_apdu_at_once (size_t readbuf_size_)
+{
+ zmq_assert (readbuf_size_ > 0);
+
+ // Read max TSDU size without fragmentation.
+ size_t max_tsdu_size = get_max_tsdu_size ();
+
+ // Calculate number of APDUs needed to fill the reading buffer.
+ size_t apdu_count = (int)readbuf_size_ / max_tsdu_size;
+
+ if ((int) readbuf_size_ % max_tsdu_size)
+ apdu_count ++;
+
+ // Have to have at least one APDU.
+ zmq_assert (apdu_count);
+
+ return apdu_count;
+}
+
+// Allocate buffer for one packet from the transmit window, The memory buffer
+// is owned by the transmit window and so must be returned to the window with
+// content via pgm_transport_send() calls or unused with pgm_packetv_free1().
+void *zmq::pgm_socket_t::get_buffer (size_t *size_)
+{
+ // Store size.
+ *size_ = get_max_tsdu_size ();
+
+ // Allocate one packet.
+ return pgm_packetv_alloc (g_transport, false);
+}
+
+// Return an unused packet allocated from the transmit window
+// via pgm_packetv_alloc().
+void zmq::pgm_socket_t::free_buffer (void *data_)
+{
+ pgm_packetv_free1 (g_transport, data_, false);
+}
+
+// pgm_transport_recvmsgv is called to fill the pgm_msgv array up to
+// pgm_msgv_len. In subsequent calls data from pgm_msgv structure are
+// returned.
+ssize_t zmq::pgm_socket_t::receive (void **raw_data_)
+{
+
+ // We just sent all data from pgm_transport_recvmsgv up
+ // and have to return 0 that another engine in this thread is scheduled.
+ if (nbytes_rec == nbytes_processed && nbytes_rec > 0) {
+
+ // Reset all the counters.
+ nbytes_rec = 0;
+ nbytes_processed = 0;
+ pgm_msgv_processed = 0;
+
+ return 0;
+ }
+
+ // If we have are going first time or if we have processed all pgm_msgv_t
+ // structure previaously read from the pgm socket.
+ if (nbytes_rec == nbytes_processed) {
+
+ // Check program flow.
+ zmq_assert (pgm_msgv_processed == 0);
+ zmq_assert (nbytes_processed == 0);
+ zmq_assert (nbytes_rec == 0);
+
+ // Receive a vector of Application Protocol Domain Unit's (APDUs)
+ // from the transport.
+ nbytes_rec = pgm_transport_recvmsgv (g_transport, pgm_msgv,
+ pgm_msgv_len, MSG_DONTWAIT);
+
+ // In a case when no ODATA/RDATA fired POLLIN event (SPM...)
+ // pgm_transport_recvmsg returns -1 with errno == EAGAIN.
+ if (nbytes_rec == -1 && errno == EAGAIN) {
+
+ // In case if no RDATA/ODATA caused POLLIN 0 is
+ // returned.
+ nbytes_rec = 0;
+ return 0;
+ }
+
+ // For data loss nbytes_rec == -1 errno == ECONNRESET.
+ if (nbytes_rec == -1 && errno == ECONNRESET) {
+
+ // In case of dala loss -1 is returned.
+ zmq_log (1, "Data loss detected, %s(%i)\n", __FILE__, __LINE__);
+ nbytes_rec = 0;
+ return -1;
+ }
+
+ // Catch the rest of the errors.
+ if (nbytes_rec <= 0) {
+ zmq_log (1, "received %i B, errno %i, %s(%i)", (int)nbytes_rec,
+ errno, __FILE__, __LINE__);
+ errno_assert (nbytes_rec > 0);
+ }
+
+ zmq_log (4, "received %i bytes\n", (int)nbytes_rec);
+ }
+
+ zmq_assert (nbytes_rec > 0);
+
+ // Only one APDU per pgm_msgv_t structure is allowed.
+ zmq_assert (pgm_msgv [pgm_msgv_processed].msgv_iovlen == 1);
+
+ // Take pointers from pgm_msgv_t structure.
+ *raw_data_ = pgm_msgv[pgm_msgv_processed].msgv_iov->iov_base;
+ size_t raw_data_len = pgm_msgv[pgm_msgv_processed].msgv_iov->iov_len;
+
+ // Check if peer TSI did not change, this is detection of peer restart.
+ const pgm_tsi_t *current_tsi = pgm_msgv [pgm_msgv_processed].msgv_tsi;
+
+ // If empty store new TSI.
+ if (tsi_empty (&tsi)) {
+ // Store current peer TSI.
+ memcpy (&tsi, current_tsi, sizeof (pgm_tsi_t));
+#ifdef PGM_SOCKET_DEBUG
+ uint8_t *gsi = (uint8_t*)(&tsi)->gsi.identifier;
+#endif
+
+ zmq_log (1, "First peer TSI: %i.%i.%i.%i.%i.%i.%i, %s(%i)\n",
+ gsi [0], gsi [1], gsi [2], gsi [3], gsi [4], gsi [5],
+ ntohs (tsi.sport), __FILE__, __LINE__);
+ }
+
+ // Compare stored TSI with actual.
+ if (!tsi_equal (&tsi, current_tsi)) {
+ // Peer change detected.
+ zmq_log (1, "Peer change detected, %s(%i)\n", __FILE__, __LINE__);
+
+ // Compare with retired TSI, in case of match ignore APDU.
+ if (tsi_equal (&retired_tsi, current_tsi)) {
+ zmq_log (1, "Retired TSI - ignoring APDU, %s(%i)\n",
+ __FILE__, __LINE__);
+
+ // Move the the next pgm_msgv_t structure.
+ pgm_msgv_processed++;
+ nbytes_processed +=raw_data_len;
+
+ return 0;
+
+ } else {
+ zmq_log (1, "New TSI, %s(%i)\n", __FILE__, __LINE__);
+
+ // Store new TSI and move last valid to retired_tsi
+ memcpy (&retired_tsi, &tsi, sizeof (pgm_tsi_t));
+ memcpy (&tsi, current_tsi, sizeof (pgm_tsi_t));
+
+#ifdef PGM_SOCKET_DEBUG
+ uint8_t *gsi = (uint8_t*)(&retired_tsi)->gsi.identifier;
+#endif
+ zmq_log (1, "retired TSI: %i.%i.%i.%i.%i.%i.%i, %s(%i)\n",
+ gsi [0], gsi [1], gsi [2], gsi [3], gsi [4], gsi [5],
+ ntohs (retired_tsi.sport), __FILE__, __LINE__);
+
+#ifdef PGM_SOCKET_DEBUG
+ gsi = (uint8_t*)(&tsi)->gsi.identifier;
+#endif
+ zmq_log (1, " TSI: %i.%i.%i.%i.%i.%i.%i, %s(%i)\n",
+ gsi [0], gsi [1], gsi [2], gsi [3], gsi [4], gsi [5],
+ ntohs (tsi.sport), __FILE__, __LINE__);
+
+ // Peers change is recognized as a GAP.
+ return -1;
+ }
+
+ }
+
+ // Move the the next pgm_msgv_t structure.
+ pgm_msgv_processed++;
+ nbytes_processed +=raw_data_len;
+
+ zmq_log (4, "sendig up %i bytes\n", (int)raw_data_len);
+
+ return raw_data_len;
+}
+
+void zmq::pgm_socket_t::process_upstream (void)
+{
+ zmq_log (1, "On upstream packet, %s(%i)\n", __FILE__, __LINE__);
+ // We acctually do not want to read any data here we are going to
+ // process NAK.
+ pgm_msgv_t dummy_msg;
+
+ ssize_t dummy_bytes = pgm_transport_recvmsgv (g_transport, &dummy_msg,
+ 1, MSG_DONTWAIT);
+
+ // No data should be returned.
+ zmq_assert (dummy_bytes == -1 && errno == EAGAIN);
+}
+
+bool zmq::pgm_socket_t::tsi_equal (const pgm_tsi_t *tsi_a_,
+ const pgm_tsi_t *tsi_b_)
+{
+ // Compare 6B GSI.
+ const uint8_t *gsi_a = tsi_a_->gsi.identifier;
+ const uint8_t *gsi_b = tsi_b_->gsi.identifier;
+
+ if (gsi_a [0] != gsi_b [0] || gsi_a [1] != gsi_b [1] ||
+ gsi_a [2] != gsi_b [2] || gsi_a [3] != gsi_b [3] ||
+ gsi_a [4] != gsi_b [4] || gsi_a [5] != gsi_b [5]) {
+
+ return false;
+ }
+
+ // Compare source port.
+ if (tsi_a_->sport != tsi_b_->sport) {
+ return false;
+ }
+
+ return true;
+}
+
+bool zmq::pgm_socket_t::tsi_empty (const pgm_tsi_t *tsi_)
+{
+
+ uint8_t *gsi = (uint8_t*)tsi_->gsi.identifier;
+
+ // GSI.
+ if (gsi [0] != 0 || gsi [1] != 0 || gsi [2] != 0 ||
+ gsi [3] != 0 || gsi [4] != 0 || gsi [5] != 0) {
+ return false;
+ }
+
+ // Source port.
+ if (tsi_->sport != 0) {
+ return false;
+ }
+
+ return true;
+}
+
+#endif
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 11:57:56 +0000