the begginning

utils/multicast/udpcast.h

@@ -0,0 +1,157 @@
+/* Copyright (C) 2014 InfiniDB, Inc.
+
+   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; version 2 of
+   the License.
+
+   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, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA. */
+
+#ifndef UDPCAST_H
+#define UDPCAST_H
+
+#include "socklib.h"
+#include <sys/time.h>
+#include <stdio.h>
+#include <pthread.h>
+
+#define BITS_PER_INT (sizeof(int) * 8)
+#define BITS_PER_CHAR 8
+
+
+#define MAP_ZERO(l, map) (memset(map, 0, ((l) + BITS_PER_INT - 1)/ BIT_PER_INT))
+#define BZERO(data) (memset((void *)&data, 0, sizeof(data)))
+
+
+#define RDATABUFSIZE (2*(MAX_SLICE_SIZE + 1)* MAX_BLOCK_SIZE)
+
+#define DATABUFSIZE (RDATABUFSIZE + 4096 - RDATABUFSIZE % 4096)
+
+int udpc_writeSize(void);
+int udpc_largeReadSize(void);
+int udpc_smallReadSize(void);
+int udpc_makeDataBuffer(int blocksize);
+int udpc_parseCommand(char *pipeName, char **arg);
+
+int udpc_printLongNum(unsigned long long x);
+int udpc_waitForProcess(int pid, const char *message);
+
+struct disk_config {
+    int origOutFile;
+    const char *fileName;
+    char *pipeName;
+    int flags;
+
+    struct timeval stats_last_printed;
+};
+
+#define MAX_GOVERNORS 10
+
+struct net_config {
+    net_if_t *net_if; /* Network interface (eth0, isdn0, etc.) on which to
+		       * multicast */
+    int portBase; /* Port base */
+    int blockSize;
+    int sliceSize;
+    struct sockaddr_in controlMcastAddr;
+    struct sockaddr_in dataMcastAddr;
+    const char *mcastRdv;
+    int ttl;
+    int nrGovernors;
+    struct rateGovernor_t *rateGovernor[MAX_GOVERNORS];
+    void *rateGovernorData[MAX_GOVERNORS];
+    /*int async;*/
+    /*int pointopoint;*/
+    struct timeval ref_tv;
+
+    enum discovery {
+	DSC_DOUBLING,
+	DSC_REDUCING
+    } discovery;
+
+    /* int autoRate; do queue watching using TIOCOUTQ, to avoid overruns */
+
+    int flags; /* non-capability command line flags */
+    int capabilities;
+
+    int min_slice_size;
+    int default_slice_size;
+    int max_slice_size;
+    unsigned int rcvbuf;
+
+    int rexmit_hello_interval; /* retransmission interval between hello's.
+				* If 0, hello message won't be retransmitted
+				*/
+    int autostart; /* autostart after that many retransmits */
+
+    int requestedBufSize; /* requested receiver buffer */
+
+    /* sender-specific parameters */
+    int min_receivers;
+    int max_receivers_wait;
+    int min_receivers_wait;
+
+    int retriesUntilDrop;
+
+    /* receiver-specif parameters */
+    int exitWait; /* How many milliseconds to wait on program exit */
+
+    int startTimeout; /* Timeout at start */
+
+    /* FEC config */
+#ifdef BB_FEATURE_UDPCAST_FEC
+    int fec_redundancy; /* how much fec blocks are added per group */
+    int fec_stripesize; /* size of FEC group */
+    int fec_stripes; /* number of FEC stripes per slice */
+#endif
+
+    int rehelloOffset; /* how far before end will rehello packet will
+			  be retransmitted */
+};
+
+struct stat_config {
+    FILE *log; /* Log file for statistics */
+    long bwPeriod; /* How often are bandwidth estimations logged? */
+
+    int statPeriod;
+    int printUncompressedPos;
+};
+
+#define NR_CLIENT_SOCKS 4
+
+struct client_config {
+    int socks[NR_CLIENT_SOCKS];
+    struct sockaddr_in serverAddr;
+    int clientNumber;
+    int isStarted;
+    pthread_t thread;
+    int sender_is_newgen;
+};
+
+void *rgInitGovernor(struct net_config *cfg, struct rateGovernor_t *gov);
+void rgParseRateGovernor(struct net_config *net_config, char *rg);
+void rgWaitAll(struct net_config *cfg, int sock, in_addr_t ip, int size);
+void rgShutdownAll(struct net_config *cfg);
+
+/**
+ * Answers whether given fd is seekable
+ */
+int udpc_shouldPrintUncompressedPos(int deflt, int fd, int pipe);
+
+#define MAX_SLICE_SIZE 1024
+
+#define DEFLT_STAT_PERIOD 500000
+
+#ifndef DEBUG
+# define DEBUG 0
+#endif
+
+#endif