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rewrote normaltcp_splice, add mac address to argv in bypassl3, optimize stuff 

also add a make all.sh bash to make all modified folders
This commit is contained in:
HappyZ 2016-09-26 22:41:28 -07:00
parent d08e818b34
commit 979beae8fc
35 changed files with 351 additions and 1134 deletions
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21
offloading_binaries/BypassL3_lo/Makefile
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CC = arm-linux-androideabi-gcc
#CC = gcc
CFLAGS = -pie -fPIE -lm
TARGET = bypassl3_lo
OBJS = $(patsubst %.c, %.o, $(wildcard *.c))
HEADERS = $(wildcard *.h)
all: $(TARGET)
%.o: %.c $(HEADERS)
$(CC) $(CFLAGS) -c $< -o $@
.PRECIOUS: $(TARGET) $(OBJS)
$(TARGET): $(OBJS)
$(CC) $(OBJS) -Wall $(CFLAGS) -o $@
cp $(TARGET) /media/Lucifer/yanzi/projects/offloading/RDMAMobileDemo/app/src/main/assets/
clean:
-rm -f *.o
-rm -f $(TARGET)

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offloading_binaries/BypassL3_lo/bypassl3_lo
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offloading_binaries/BypassL3_lo/main.c
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/*
* 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.
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <sys/sendfile.h>
#include <errno.h>
#include <sys/time.h>
#include <math.h>
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#define ETH_ALEN 6 /* from <net/ethernet.h> */
#define ETH_P_ALL 0x0003
#define MY_DEST_MAC0 0xba
#define MY_DEST_MAC1 0xf6
#define MY_DEST_MAC2 0xb1
#define MY_DEST_MAC3 0x71
#define MY_DEST_MAC4 0x09
#define MY_DEST_MAC5 0x64
#define DEFAULT_IF "wlan0"
//#define DEFAULT_IF "eth1"
#define BUF_SIZ 8192
int main(int argc, char *argv[])
{
int slotLength = 10000; // in microseconds
int quota = 1000000000; // Bytes per slot, default 1GB/slot
int sentInSlot = 0, slot = 1;
double elapsedTime;
double packetPerSlot;
struct iovec iov;
int sockfd;
struct ifreq if_idx;
struct ifreq if_mac;
int tx_len = 0;
char sendbuf[BUF_SIZ];
struct ether_header *eh = (struct ether_header *) sendbuf;
struct iphdr *iph = (struct iphdr *) (sendbuf + sizeof(struct ether_header));
struct sockaddr_ll socket_address;
char ifName[IFNAMSIZ];
int i, j, ret, sendsize=1500, packet_num, offset = 0;
int fd; /* file descriptor for file to send */
struct timeval t_start, t_end, t_now;
if (argc > 4)
sendsize = atoi(argv[4]);
if (argc > 1)
packet_num = atoi(argv[1])/sendsize;
else
packet_num = 166666;
if (argc > 2)
quota = atoi(argv[2]) / (1000000 / slotLength);
else {
printf("Usage: ./bypassl3 <bytes> <datarate> <optional:interface> <optional:sendsize>");
exit(-1);
}
if (argc > 3) {
/* get the name of the interface */
strcpy(ifName, argv[3]);
} else {
strcpy(ifName, DEFAULT_IF);
}
// fix packet size problem
packetPerSlot = ceil(((double)quota) / sendsize);
slotLength = (int)(packetPerSlot * sendsize / quota * slotLength);
quota = (int)packetPerSlot * sendsize;
/* Open RAW socket to send on */
//sendsize -= 14;
//if ((sockfd = socket(AF_PACKET, SOCK_DGRAM, IPPROTO_RAW)) == -1) {
if ((sockfd = socket(AF_PACKET, SOCK_RAW, IPPROTO_RAW)) == -1) {
perror("socket");
}
/* Get the index of the interface to send on */
memset(&if_idx, 0, sizeof(struct ifreq));
strncpy(if_idx.ifr_name, ifName, IFNAMSIZ-1);
if (ioctl(sockfd, SIOCGIFINDEX, &if_idx) < 0)
perror("SIOCGIFINDEX");
/* Get the MAC address of the interface to send on */
memset(&if_mac, 0, sizeof(struct ifreq));
strncpy(if_mac.ifr_name, ifName, IFNAMSIZ-1);
if (ioctl(sockfd, SIOCGIFHWADDR, &if_mac) < 0)
perror("SIOCGIFHWADDR");
/* Construct the Ethernet header */
memset(sendbuf, 0, BUF_SIZ);
/* Ethernet header */
eh->ether_shost[0] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[0];
eh->ether_shost[1] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[1];
eh->ether_shost[2] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[2];
eh->ether_shost[3] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[3];
eh->ether_shost[4] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[4];
eh->ether_shost[5] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[5];
eh->ether_dhost[0] = MY_DEST_MAC0;
eh->ether_dhost[1] = MY_DEST_MAC1;
eh->ether_dhost[2] = MY_DEST_MAC2;
eh->ether_dhost[3] = MY_DEST_MAC3;
eh->ether_dhost[4] = MY_DEST_MAC4;
eh->ether_dhost[5] = MY_DEST_MAC5;
eh->ether_type = htons(ETH_P_IP);
tx_len += sizeof(struct ether_header);
/* Packet data */
/*
sendbuf[tx_len++] = 0xde;
sendbuf[tx_len++] = 0xad;
sendbuf[tx_len++] = 0xbe;
sendbuf[tx_len++] = 0xef;
*/
/* Index of the network device */
socket_address.sll_ifindex = if_idx.ifr_ifindex;
/* Address length*/
socket_address.sll_halen = ETH_ALEN;
/* Destination MAC */
socket_address.sll_addr[0] = MY_DEST_MAC0;
socket_address.sll_addr[1] = MY_DEST_MAC1;
socket_address.sll_addr[2] = MY_DEST_MAC2;
socket_address.sll_addr[3] = MY_DEST_MAC3;
socket_address.sll_addr[4] = MY_DEST_MAC4;
socket_address.sll_addr[5] = MY_DEST_MAC5;
//test
//socket_address.sll_family = AF_PACKET;
//socket_address.sll_protocol = htons(ETH_P_ALL);
// fd = open("bigfile");
fd = open("/data/local/tmp/bigfile", O_RDONLY);
if (fd == -1) {
fprintf(stderr, "unable to open the file.\n");
exit(1);
}
/*
if (bind(sockfd,(struct sockaddr*)&socket_address, sizeof(struct sockaddr_ll)) == -1)
{
perror("bind error.\n");
exit(1);
}
*/
/* Send packet */
gettimeofday(&t_start, NULL);
read(fd, sendbuf+tx_len, sendsize-tx_len);
for (i = 0; i < packet_num;)
{
if (((packet_num - i) * sendsize) < quota)
{
quota = (packet_num - i) * sendsize;
}
while (sentInSlot < quota)
{
//ret = sendfile(sockfd, fd, (off_t *)&offset, sendsize);
//printf("%d\t%d\n", ret, errno);
//read(fd, sendbuf, sendsize);
ret = sendto(sockfd, sendbuf, sendsize, MSG_DONTWAIT, (struct sockaddr*)&socket_address, sizeof(struct sockaddr_ll));
// printf("%d\t%d\n", ret, errno);
if (ret == sendsize)
{
read(fd, sendbuf+tx_len, sendsize-tx_len);
i++;
sentInSlot = sentInSlot + ret;
}
else
{
//printf("sendto error\n");
usleep(100);
}
}
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec-t_start.tv_sec)*1000000.0+(t_now.tv_usec-t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
//printf("sent %d, quota %d, packet_num %d, usleep %lf\n", i, quota, packet_num, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
slot++;
}
gettimeofday(&t_end, NULL);
printf("%lf\n", (t_end.tv_sec-t_start.tv_sec)*1000.0+(t_end.tv_usec-t_start.tv_usec)/1000.0);
return 0;
}

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offloading_binaries/BypassL3_lo/main.o
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offloading_binaries/BypassL3_usb/Makefile
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CC = arm-linux-androideabi-gcc
#CC = gcc
CFLAGS = -pie -fPIE -lm
TARGET = bypassl3_usb
OBJS = $(patsubst %.c, %.o, $(wildcard *.c))
HEADERS = $(wildcard *.h)
all: $(TARGET)
%.o: %.c $(HEADERS)
$(CC) $(CFLAGS) -c $< -o $@
.PRECIOUS: $(TARGET) $(OBJS)
$(TARGET): $(OBJS)
$(CC) $(OBJS) -Wall $(CFLAGS) -o $@
cp $(TARGET) /media/Lucifer/yanzi/projects/offloading/RDMAMobileDemo/app/src/main/assets/
clean:
-rm -f *.o
-rm -f $(TARGET)

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offloading_binaries/BypassL3_usb/bypassl3_usb
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offloading_binaries/BypassL3_usb/main.c
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/*
* 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.
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <sys/sendfile.h>
#include <errno.h>
#include <sys/time.h>
#include <math.h>
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#define ETH_ALEN 6 /* from <net/ethernet.h> */
#define ETH_P_ALL 0x0003
#define MY_DEST_MAC0 0xba
#define MY_DEST_MAC1 0xf6
#define MY_DEST_MAC2 0xb1
#define MY_DEST_MAC3 0x71
#define MY_DEST_MAC4 0x09
#define MY_DEST_MAC5 0x64
#define DEFAULT_IF "usb0"
//#define DEFAULT_IF "eth1"
#define BUF_SIZ 8192
int main(int argc, char *argv[])
{
int slotLength = 10000; // in microseconds
int quota = 1000000000; // Bytes per slot, default 1GB/slot
int sentInSlot = 0, slot = 1;
double elapsedTime;
double packetPerSlot;
struct iovec iov;
int sockfd;
struct ifreq if_idx;
struct ifreq if_mac;
int tx_len = 0;
char sendbuf[BUF_SIZ];
struct ether_header *eh = (struct ether_header *) sendbuf;
struct iphdr *iph = (struct iphdr *) (sendbuf + sizeof(struct ether_header));
struct sockaddr_ll socket_address;
char ifName[IFNAMSIZ];
int i, j, ret, sendsize=1500, packet_num, offset = 0;
int fd; /* file descriptor for file to send */
struct timeval t_start, t_end, t_now;
if (argc > 4)
sendsize = atoi(argv[4]);
if (argc > 1)
packet_num = atoi(argv[1])/sendsize;
else
packet_num = 166666;
if (argc > 2)
quota = atoi(argv[2]) / (1000000 / slotLength);
else {
printf("Usage: ./bypassl3 <bytes> <datarate> <optional:interface> <optional:sendsize>");
exit(-1);
}
if (argc > 3) {
/* get the name of the interface */
strcpy(ifName, argv[3]);
} else {
strcpy(ifName, DEFAULT_IF);
}
// fix packet size problem
packetPerSlot = ceil(((double)quota) / sendsize);
slotLength = (int)(packetPerSlot * sendsize / quota * slotLength);
quota = (int)packetPerSlot * sendsize;
/* Open RAW socket to send on */
//sendsize -= 14;
//if ((sockfd = socket(AF_PACKET, SOCK_DGRAM, IPPROTO_RAW)) == -1) {
if ((sockfd = socket(AF_PACKET, SOCK_RAW, IPPROTO_RAW)) == -1) {
perror("socket");
}
/* Get the index of the interface to send on */
memset(&if_idx, 0, sizeof(struct ifreq));
strncpy(if_idx.ifr_name, ifName, IFNAMSIZ-1);
if (ioctl(sockfd, SIOCGIFINDEX, &if_idx) < 0)
perror("SIOCGIFINDEX");
/* Get the MAC address of the interface to send on */
memset(&if_mac, 0, sizeof(struct ifreq));
strncpy(if_mac.ifr_name, ifName, IFNAMSIZ-1);
if (ioctl(sockfd, SIOCGIFHWADDR, &if_mac) < 0)
perror("SIOCGIFHWADDR");
/* Construct the Ethernet header */
memset(sendbuf, 0, BUF_SIZ);
/* Ethernet header */
eh->ether_shost[0] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[0];
eh->ether_shost[1] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[1];
eh->ether_shost[2] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[2];
eh->ether_shost[3] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[3];
eh->ether_shost[4] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[4];
eh->ether_shost[5] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[5];
eh->ether_dhost[0] = MY_DEST_MAC0;
eh->ether_dhost[1] = MY_DEST_MAC1;
eh->ether_dhost[2] = MY_DEST_MAC2;
eh->ether_dhost[3] = MY_DEST_MAC3;
eh->ether_dhost[4] = MY_DEST_MAC4;
eh->ether_dhost[5] = MY_DEST_MAC5;
eh->ether_type = htons(ETH_P_IP);
tx_len += sizeof(struct ether_header);
/* Packet data */
/*
sendbuf[tx_len++] = 0xde;
sendbuf[tx_len++] = 0xad;
sendbuf[tx_len++] = 0xbe;
sendbuf[tx_len++] = 0xef;
*/
/* Index of the network device */
socket_address.sll_ifindex = if_idx.ifr_ifindex;
/* Address length*/
socket_address.sll_halen = ETH_ALEN;
/* Destination MAC */
socket_address.sll_addr[0] = MY_DEST_MAC0;
socket_address.sll_addr[1] = MY_DEST_MAC1;
socket_address.sll_addr[2] = MY_DEST_MAC2;
socket_address.sll_addr[3] = MY_DEST_MAC3;
socket_address.sll_addr[4] = MY_DEST_MAC4;
socket_address.sll_addr[5] = MY_DEST_MAC5;
//test
//socket_address.sll_family = AF_PACKET;
//socket_address.sll_protocol = htons(ETH_P_ALL);
// fd = open("bigfile");
fd = open("/data/local/tmp/bigfile", O_RDONLY);
if (fd == -1) {
fprintf(stderr, "unable to open the file.\n");
exit(1);
}
/*
if (bind(sockfd,(struct sockaddr*)&socket_address, sizeof(struct sockaddr_ll)) == -1)
{
perror("bind error.\n");
exit(1);
}
*/
/* Send packet */
gettimeofday(&t_start, NULL);
read(fd, sendbuf+tx_len, sendsize-tx_len);
for (i = 0; i < packet_num;)
{
if (((packet_num - i) * sendsize) < quota)
{
quota = (packet_num - i) * sendsize;
}
while (sentInSlot < quota)
{
//ret = sendfile(sockfd, fd, (off_t *)&offset, sendsize);
//printf("%d\t%d\n", ret, errno);
//read(fd, sendbuf, sendsize);
ret = sendto(sockfd, sendbuf, sendsize, MSG_DONTWAIT, (struct sockaddr*)&socket_address, sizeof(struct sockaddr_ll));
// printf("%d\t%d\n", ret, errno);
if (ret == sendsize)
{
read(fd, sendbuf+tx_len, sendsize-tx_len);
i++;
sentInSlot = sentInSlot + ret;
}
else
{
//printf("sendto error\n");
usleep(100);
}
}
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec-t_start.tv_sec)*1000000.0+(t_now.tv_usec-t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
//printf("sent %d, quota %d, packet_num %d, usleep %lf\n", i, quota, packet_num, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
slot++;
}
gettimeofday(&t_end, NULL);
printf("%lf\n", (t_end.tv_sec-t_start.tv_sec)*1000.0+(t_end.tv_usec-t_start.tv_usec)/1000.0);
return 0;
}

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offloading_binaries/BypassL3_usb/main.o
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offloading_binaries/Normal_usb/Makefile
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CC = arm-linux-androideabi-gcc
CFLAGS = -pie -fPIE -llog
#STATICLIB = -llog -l/media/Lucifer/android/ndk-profiler/obj/local/armeabi-v7a/libandroid-ndk-profiler.a
TARGET = normal_usb
OBJS = $(patsubst %.c, %.o, $(wildcard *.c))
HEADERS = $(wildcard *.h)
all: $(TARGET)
%.o: %.c $(HEADERS)
$(CC) $(CFLAGS) -c $< -o $@
.PRECIOUS: $(TARGET) $(OBJS)
$(TARGET): $(OBJS)
$(CC) $(OBJS) -Wall $(CFLAGS) -o $@
cp $(TARGET) /media/Lucifer/yanzi/projects/offloading/RDMAMobileDemo/app/src/main/assets/
clean:
-rm -f *.o
-rm -f $(TARGET)
#$(call import-module,android-ndk-profiler)

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offloading_binaries/Normal_usb/main.c
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/*
* 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.
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <sys/sendfile.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
//#include "/media/Lucifer/android/ndk-profiler/jni/prof.h"
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#define ETH_ALEN 6 /* from <net/ethernet.h> */
#define ETH_P_ALL 0x0003
#define MY_DEST_MAC0 0xba
#define MY_DEST_MAC1 0xf6
#define MY_DEST_MAC2 0xb1
#define MY_DEST_MAC3 0x71
#define MY_DEST_MAC4 0x09
#define MY_DEST_MAC5 0x64
#define DEFAULT_IF "usb0"
#define BUF_SIZ 8192
int main(int argc, char *argv[])
{
int slotLength = 10000; // in microseconds
int quota = 1000000000; // Bytes per slot, default 1GB/slot
int sentInSlot = 0, slot = 1;
double elapsedTime;
struct iovec iov;
int sockfd;
struct ifreq if_idx;
struct ifreq if_mac;
int tx_len = 0;
char sendbuf[BUF_SIZ];
struct ether_header *eh = (struct ether_header *) sendbuf;
struct iphdr *iph = (struct iphdr *) (sendbuf + sizeof(struct ether_header));
struct sockaddr_ll socket_address;
char ifName[IFNAMSIZ];
int i, j, ret, sendsize=1488, packet_num, offset = 0;
int fd; /* file descriptor for file to send */
struct timeval t_start,t_end,t_now;
struct sockaddr_in servaddr;
// monstartup("normal");
if (argc > 1)
packet_num = atoi(argv[1]);
else
packet_num = 166666*sendsize;
if (argc > 2)
quota = atoi(argv[2]) / (1000000 / slotLength);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr=inet_addr("10.42.0.1");
servaddr.sin_port=htons(4444);
fd = open("/data/local/tmp/bigfile", O_RDONLY);
if (fd == -1) {
fprintf(stderr, "unable to open the file.\n");
exit(1);
}
gettimeofday(&t_start, NULL);
if (connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0)
{
fprintf(stderr, "unable to connect the server.\n");
exit(1);
}
while (offset < packet_num)
{
if ((packet_num - offset) < quota)
{
quota = packet_num - offset;
}
while (sentInSlot < quota)
{
read(fd, sendbuf, (quota - sentInSlot < 4096) ? quota - sentInSlot : 4096);
ret = send(sockfd, sendbuf, (quota - sentInSlot < 4096) ? quota - sentInSlot : 4096, 0);
// printf("%d\t%d\n", ret, errno);
if (ret <= 0)
{
printf("send fail\n");
usleep(100);
continue;
}
offset += ret;
sentInSlot = sentInSlot + ret;
}
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec-t_start.tv_sec)*1000000.0+(t_now.tv_usec-t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
//printf("sent %d, quota %d, packet_num %d, usleep %lf\n", offset, quota, packet_num, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
slot++;
}
close(sockfd);
gettimeofday(&t_end, NULL);
printf("%lf\n", (t_end.tv_sec-t_start.tv_sec)*1000.0+(t_end.tv_usec-t_start.tv_usec)/1000.0);
close(fd);
// moncleanup();
return 0;
}

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offloading_binaries/Normal_usb/main.o
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offloading_binaries/Splice/main.c
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/*
* 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.
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <sys/sendfile.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <fcntl.h>
#include <sys/uio.h>
#include <netinet/tcp.h>
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#define ETH_ALEN 6 /* from <net/ethernet.h> */
#define ETH_P_ALL 0x0003
#define MY_DEST_MAC0 0xba
#define MY_DEST_MAC1 0xf6
#define MY_DEST_MAC2 0xb1
#define MY_DEST_MAC3 0x71
#define MY_DEST_MAC4 0x09
#define MY_DEST_MAC5 0x64
#define DEFAULT_IF "wlan0"
#define BUF_SIZ 8192
int main(int argc, char *argv[])
{
int slotLength = 10000; // in microseconds
int quota = 1000000000; // Bytes per slot, default 1GB/slot
int sentInSlot = 0, slot = 1;
double elapsedTime;
struct iovec iov;
int sockfd;
struct ifreq if_idx;
struct ifreq if_mac;
int tx_len = 0;
char sendbuf[BUF_SIZ];
struct ether_header *eh = (struct ether_header *) sendbuf;
struct iphdr *iph = (struct iphdr *) (sendbuf + sizeof(struct ether_header));
struct sockaddr_ll socket_address;
char ifName[IFNAMSIZ];
int i, j, ret=0, sendsize=1488, packet_num, offset = 0;
int fd; /* file descriptor for file to send */
int outstanding;
struct timeval t_start,t_end,t_now;
ssize_t bytes, bytes_sent, bytes_in_pipe;
size_t total_bytes_sent = 0;
int filedes [2];
ret = pipe (filedes);
struct sockaddr_in servaddr;
if (argc > 1)
packet_num = atoi(argv[1]);
else
packet_num = 166666*sendsize;
if (argc > 2)
quota = atoi(argv[2]) / (1000000 / slotLength);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr=inet_addr("128.111.68.220");
servaddr.sin_port=htons(4444);
connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
fd = open("/data/local/tmp/bigfile", O_RDONLY);
if (fd == -1) {
fprintf(stderr, "unable to open the file.\n");
exit(1);
}
//setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char *) &ret, sizeof(int));
//ioctl(sockfd, SIOCOUTQ, &outstanding);
//printf("outstanding:%d\n", outstanding);
gettimeofday(&t_start, NULL);
while (total_bytes_sent < packet_num)
{
if ((packet_num - total_bytes_sent) < quota)
{
quota = packet_num - offset;
}
while (sentInSlot < quota)
{
// Splice the data from in_fd into the pipe
if ((bytes_sent = splice(fd, NULL, filedes[1], NULL,
quota - sentInSlot,
SPLICE_F_MORE | SPLICE_F_MOVE)) <= 0) {
if (errno == EINTR || errno == EAGAIN) {
// Interrupted system call/try again
// Just skip to the top of the loop and try again
continue;
}
perror("splice");
return -1;
}
// Splice the data from the pipe into out_fd
bytes_in_pipe = bytes_sent;
while (bytes_in_pipe > 0) {
if ((bytes = splice(filedes[0], NULL, sockfd, NULL, bytes_in_pipe,
SPLICE_F_MORE | SPLICE_F_MOVE)) <= 0) {
if (errno == EINTR || errno == EAGAIN) {
// Interrupted system call/try again
// Just skip to the top of the loop and try again
continue;
}
perror("splice");
return -1;
}
bytes_in_pipe -= bytes;
}
total_bytes_sent += bytes_sent;
sentInSlot += bytes_sent;
}
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec-t_start.tv_sec)*1000000.0+(t_now.tv_usec-t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
//printf("sent %d, quota %d, packet_num %d, usleep %lf\n", offset, quota, packet_num, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
slot++;
/*
for(;;)
{
ioctl(sockfd, SIOCOUTQ, &outstanding);
printf("outstanding:%d\n", outstanding);
if (outstanding>0)
{
usleep(100);
}
else
{
break;
}
}
*/
}
close(sockfd);
gettimeofday(&t_end, NULL);
printf("%lf\n", (t_end.tv_sec-t_start.tv_sec)*1000.0+(t_end.tv_usec-t_start.tv_usec)/1000.0);
close(fd);
return 0;
}

20
offloading_binaries/Splice_lo/Makefile
View File

@ -1,20 +0,0 @@
CC = arm-linux-androideabi-gcc
CFLAGS = -pie -fPIE
TARGET = splice_lo
OBJS = $(patsubst %.c, %.o, $(wildcard *.c))
HEADERS = $(wildcard *.h)
all: $(TARGET)
%.o: %.c $(HEADERS)
$(CC) $(CFLAGS) -c $< -o $@
.PRECIOUS: $(TARGET) $(OBJS)
$(TARGET): $(OBJS)
$(CC) $(OBJS) -Wall $(CFLAGS) -o $@
cp $(TARGET) /media/Lucifer/yanzi/projects/offloading/RDMAMobileDemo/app/src/main/assets/
clean:
-rm -f *.o
-rm -f $(TARGET)

172
offloading_binaries/Splice_lo/main.c
View File

@ -1,172 +0,0 @@
/*
* 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.
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <sys/sendfile.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <fcntl.h>
#include <sys/uio.h>
#include <netinet/tcp.h>
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#define ETH_ALEN 6 /* from <net/ethernet.h> */
#define ETH_P_ALL 0x0003
#define MY_DEST_MAC0 0xba
#define MY_DEST_MAC1 0xf6
#define MY_DEST_MAC2 0xb1
#define MY_DEST_MAC3 0x71
#define MY_DEST_MAC4 0x09
#define MY_DEST_MAC5 0x64
#define DEFAULT_IF "wlan0"
#define BUF_SIZ 8192
int main(int argc, char *argv[])
{
int slotLength = 10000; // in microseconds
int quota = 1000000000; // Bytes per slot, default 1GB/slot
int sentInSlot = 0, slot = 1;
double elapsedTime;
struct iovec iov;
int sockfd;
struct ifreq if_idx;
struct ifreq if_mac;
int tx_len = 0;
char sendbuf[BUF_SIZ];
struct ether_header *eh = (struct ether_header *) sendbuf;
struct iphdr *iph = (struct iphdr *) (sendbuf + sizeof(struct ether_header));
struct sockaddr_ll socket_address;
char ifName[IFNAMSIZ];
int i, j, ret=0, sendsize=1488, packet_num, offset = 0;
int fd; /* file descriptor for file to send */
int outstanding;
struct timeval t_start,t_end,t_now;
ssize_t bytes, bytes_sent, bytes_in_pipe;
size_t total_bytes_sent = 0;
int filedes [2];
ret = pipe (filedes);
struct sockaddr_in servaddr;
if (argc > 1)
packet_num = atoi(argv[1]);
else
packet_num = 166666*sendsize;
if (argc > 2)
quota = atoi(argv[2]) / (1000000 / slotLength);
sockfd = socket(AF_INET, SOCK_STREAM, 0);
bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr=inet_addr("192.168.1.15");
servaddr.sin_port=htons(4444);
connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
fd = open("/data/local/tmp/bigfile", O_RDONLY);
if (fd == -1) {
fprintf(stderr, "unable to open the file.\n");
exit(1);
}
//setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char *) &ret, sizeof(int));
//ioctl(sockfd, SIOCOUTQ, &outstanding);
//printf("outstanding:%d\n", outstanding);
gettimeofday(&t_start, NULL);
while (total_bytes_sent < packet_num)
{
if ((packet_num - total_bytes_sent) < quota)
{
quota = packet_num - offset;
}
while (sentInSlot < quota)
{
// Splice the data from in_fd into the pipe
if ((bytes_sent = splice(fd, NULL, filedes[1], NULL,
quota - sentInSlot,
SPLICE_F_MORE | SPLICE_F_MOVE)) <= 0) {
if (errno == EINTR || errno == EAGAIN) {
// Interrupted system call/try again
// Just skip to the top of the loop and try again
continue;
}
perror("splice");
return -1;
}
// Splice the data from the pipe into out_fd
bytes_in_pipe = bytes_sent;
while (bytes_in_pipe > 0) {
if ((bytes = splice(filedes[0], NULL, sockfd, NULL, bytes_in_pipe,
SPLICE_F_MORE | SPLICE_F_MOVE)) <= 0) {
if (errno == EINTR || errno == EAGAIN) {
// Interrupted system call/try again
// Just skip to the top of the loop and try again
continue;
}
perror("splice");
return -1;
}
bytes_in_pipe -= bytes;
}
total_bytes_sent += bytes_sent;
sentInSlot += bytes_sent;
}
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec-t_start.tv_sec)*1000000.0+(t_now.tv_usec-t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
//printf("sent %d, quota %d, packet_num %d, usleep %lf\n", offset, quota, packet_num, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
slot++;
/*
for(;;)
{
ioctl(sockfd, SIOCOUTQ, &outstanding);
printf("outstanding:%d\n", outstanding);
if (outstanding>0)
{
usleep(100);
}
else
{
break;
}
}
*/
}
close(sockfd);
gettimeofday(&t_end, NULL);
printf("%lf\n", (t_end.tv_sec-t_start.tv_sec)*1000.0+(t_end.tv_usec-t_start.tv_usec)/1000.0);
close(fd);
return 0;
}

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offloading_binaries/Splice_lo/main.o
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offloading_binaries/Splice_lo/splice_lo
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offloading_binaries/c2s_bypassl3/c2s_bypassl3
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69
offloading_binaries/c2s_bypassl3/main.c
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@ -77,28 +77,42 @@ int main(int argc, char *argv[])
int sendsize = 1500; // 1500 MTU (raw socket)
int bytes2send = 0;
struct stat st;
unsigned char my_dest_mac[6];
if (argc < 2)
if (argc < 3)
{
printf("Usage: %s <bytes2send/file2send> <[optional] bandwidth (bps)> <[optional] sendsize (bytes)> <[optional] interface>\n", argv[0]);
printf("Usage: %s <bytes2send/file2send> <dest MAC address> <[optional] bandwidth (bps)> <[optional] sendsize (bytes)> <[optional] interface>\n", argv[0]);
exit(0);
}
// set bandwidth
if (argc > 2)
quota = atoi(argv[2]) / 8 / (1000000 / slotLength);
if (argc > 3)
quota = atoi(argv[3]) / 8 / (1000000 / slotLength);
// set sendsize (if larger than 1460 will do packetization (fragmentation))
if (argc > 3)
sendsize = atoi(argv[3]);
if (argc > 4)
sendsize = atoi(argv[4]);
// set interface
if (argc > 4) {
strcpy(ifName, argv[4]);
if (argc > 5) {
strcpy(ifName, argv[5]);
} else {
strcpy(ifName, DEFAULT_IF);
}
// adjust slotLength to address packet size issue in the end
if ((quota % sendsize) > 0)
{
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
slotLength = (quota / sendsize + 1) * sendsize / quota * slotLength;
quota = (quota / sendsize + 1) * sendsize;
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
}
else
{
slotLength = (quota / sendsize) * sendsize / quota * slotLength;
}
// get file size (bytes2send)
if (isNumber(argv[1]))
{
@ -153,6 +167,16 @@ int main(int argc, char *argv[])
// Set mem
memset(sendbuf, 0, BUF_SIZ);
// parse input MAC address
sscanf(
argv[2], "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
&my_dest_mac[0], &my_dest_mac[1], &my_dest_mac[2],
&my_dest_mac[3], &my_dest_mac[4], &my_dest_mac[5]);
printf("destMAC:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n",
my_dest_mac[0], my_dest_mac[1], my_dest_mac[2],
my_dest_mac[3], my_dest_mac[4], my_dest_mac[5]);
// Construct the Ethernet header
eh->ether_shost[0] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[0];
eh->ether_shost[1] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[1];
@ -160,12 +184,12 @@ int main(int argc, char *argv[])
eh->ether_shost[3] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[3];
eh->ether_shost[4] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[4];
eh->ether_shost[5] = ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[5];
eh->ether_dhost[0] = MY_DEST_MAC0;
eh->ether_dhost[1] = MY_DEST_MAC1;
eh->ether_dhost[2] = MY_DEST_MAC2;
eh->ether_dhost[3] = MY_DEST_MAC3;
eh->ether_dhost[4] = MY_DEST_MAC4;
eh->ether_dhost[5] = MY_DEST_MAC5;
eh->ether_dhost[0] = my_dest_mac[0];
eh->ether_dhost[1] = my_dest_mac[1];
eh->ether_dhost[2] = my_dest_mac[2];
eh->ether_dhost[3] = my_dest_mac[3];
eh->ether_dhost[4] = my_dest_mac[4];
eh->ether_dhost[5] = my_dest_mac[5];
eh->ether_type = htons(ETH_P_IP);
tx_len += sizeof(struct ether_header);
@ -224,17 +248,14 @@ int main(int argc, char *argv[])
// total_bytes_sent, sentInSlot, quota - sentInSlot);
}
// control bandwidth
if (total_bytes_sent < bytes2send)
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < (slotLength * slot))
{
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < (slotLength * slot))
{
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
++slot;

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offloading_binaries/c2s_bypassl3/main.o
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BIN
offloading_binaries/c2s_normaltcp/c2s_normaltcp
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30
offloading_binaries/c2s_normaltcp/main.c
View File

@ -88,6 +88,19 @@ int main(int argc, char *argv[])
if (argc > 5)
sendsize = atoi(argv[5]);
// adjust slotLength to address packet size issue in the end
if ((quota % sendsize) > 0)
{
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
slotLength = (quota / sendsize + 1) * sendsize / quota * slotLength;
quota = (quota / sendsize + 1) * sendsize;
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
}
else
{
slotLength = (quota / sendsize) * sendsize / quota * slotLength;
}
// get file size (bytes2send)
if (isNumber(argv[1]))
{
@ -163,17 +176,14 @@ int main(int argc, char *argv[])
// total_bytes_sent, sentInSlot, quota - sentInSlot);
}
// control bandwidth
if (total_bytes_sent < bytes2send)
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
++slot;

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offloading_binaries/c2s_normaltcp/main.o
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BIN
offloading_binaries/c2s_normaltcp_sendfile/c2s_normaltcp_sendfile
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48
offloading_binaries/c2s_normaltcp_sendfile/main.c
View File

@ -27,17 +27,6 @@
#include <netinet/in.h>
#include <fcntl.h>
// #define ETH_P_IP 0x0800 /* Internet Protocol packet */
// #define ETH_ALEN 6 /* from <net/ethernet.h> */
// #define ETH_P_ALL 0x0003
// #define MY_DEST_MAC0 0xba
// #define MY_DEST_MAC1 0xf6
// #define MY_DEST_MAC2 0xb1
// #define MY_DEST_MAC3 0x71
// #define MY_DEST_MAC4 0x09
// #define MY_DEST_MAC5 0x64
// #define DEFAULT_IF "lo"
// #define BUF_SIZ 8192
@ -74,12 +63,13 @@ int main(int argc, char *argv[])
// struct sockaddr_ll socket_address;
// for misc
int ret;
int sendsize = 1460; // 1500 MTU - 20 IPv4 - 20 TCP
int bytes2send = 0;
struct stat st;
if (argc < 4)
{
printf("Usage: %s <bytes2send/file2send> <ip> <port> <[optional] bandwidth (bps)>\n", argv[0]);
printf("Usage: %s <bytes2send/file2send> <ip> <port> <[optional] bandwidth (bps)> <[optional] sendsize (bytes)>\n", argv[0]);
exit(0);
}
@ -87,6 +77,23 @@ int main(int argc, char *argv[])
if (argc > 4)
quota = atoi(argv[4]) / 8 / (1000000 / slotLength);
// set sendsize (if larger than 1460 will do packetization (fragmentation))
if (argc > 5)
sendsize = atoi(argv[5]);
// adjust slotLength to address packet size issue in the end
if ((quota % sendsize) > 0)
{
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
slotLength = (quota / sendsize + 1) * sendsize / quota * slotLength;
quota = (quota / sendsize + 1) * sendsize;
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
}
else
{
slotLength = (quota / sendsize) * sendsize / quota * slotLength;
}
// get file size (bytes2send)
if (isNumber(argv[1]))
{
@ -157,17 +164,14 @@ int main(int argc, char *argv[])
// total_bytes_sent, sentInSlot, quota - sentInSlot);
}
// control bandwidth
if (total_bytes_sent < bytes2send)
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
++slot;

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offloading_binaries/c2s_normaltcp_sendfile/main.o
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94
offloading_binaries/c2s_normaltcp_sendfile/old.c_orig
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@ -1,94 +0,0 @@
/*
* 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.
*/
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <sys/sendfile.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define ETH_P_IP 0x0800 /* Internet Protocol packet */
#define ETH_ALEN 6 /* from <net/ethernet.h> */
#define ETH_P_ALL 0x0003
#define MY_DEST_MAC0 0xba
#define MY_DEST_MAC1 0xf6
#define MY_DEST_MAC2 0xb1
#define MY_DEST_MAC3 0x71
#define MY_DEST_MAC4 0x09
#define MY_DEST_MAC5 0x64
#define DEFAULT_IF "wlan0"
#define BUF_SIZ 8192
int main(int argc, char *argv[])
{
struct iovec iov;
int sockfd;
struct ifreq if_idx;
struct ifreq if_mac;
int tx_len = 0;
char sendbuf[BUF_SIZ];
struct ether_header *eh = (struct ether_header *) sendbuf;
struct iphdr *iph = (struct iphdr *) (sendbuf + sizeof(struct ether_header));
struct sockaddr_ll socket_address;
char ifName[IFNAMSIZ];
int i, j, ret, sendsize=4096, packet_num, offset = 0;
int fd; /* file descriptor for file to send */
struct timeval t_start,t_end;
struct sockaddr_in servaddr;
if (argc > 1)
packet_num = atoi(argv[1]);
else
packet_num = 166666*1488;
sockfd = socket(AF_INET, SOCK_STREAM, 0);
bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr=inet_addr("128.111.68.220");
servaddr.sin_port=htons(4444);
connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr));
fd = open("bigfile");
if (fd == -1) {
fprintf(stderr, "unable to open the file.\n");
exit(1);
}
gettimeofday(&t_start, NULL);
while (offset < packet_num)
{
ret = sendfile(sockfd, fd, (off_t *)&offset, sendsize);
if (ret <= 0)
{
printf("sendfile fail\n");
usleep(100);
continue;
}
offset += sendsize;
}
gettimeofday(&t_end, NULL);
printf("time cost is: %lfms.\n", (t_end.tv_sec-t_start.tv_sec)*1000.0+(t_end.tv_usec-t_start.tv_usec)/1000.0);
close(fd);
close(sockfd);
return 0;
}

5
offloading_binaries/Splice/Makefile → offloading_binaries/c2s_normaltcp_splice/Makefile
View File

@ -1,6 +1,7 @@
CC = arm-linux-androideabi-gcc
# CC = gcc
CFLAGS = -pie -fPIE
TARGET = splice
TARGET = c2s_normaltcp_splice
OBJS = $(patsubst %.c, %.o, $(wildcard *.c))
HEADERS = $(wildcard *.h)
@ -14,7 +15,7 @@ all: $(TARGET)
$(TARGET): $(OBJS)
$(CC) $(OBJS) -Wall $(CFLAGS) -o $@
cp $(TARGET) /media/Lucifer/yanzi/projects/offloading/RDMAMobileDemo/app/src/main/assets/
clean:
-rm -f *.o
-rm -f $(TARGET)

BIN
offloading_binaries/Normal_usb/normal_usb → offloading_binaries/c2s_normaltcp_splice/c2s_normaltcp_splice
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225
offloading_binaries/c2s_normaltcp_splice/main.c Normal file
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@ -0,0 +1,225 @@
/*
* Initial commit by Yibo @ Jul. 28, 2015
* Last update by Yanzi @ Sept. 26, 2016
*/
#include <stdio.h>
#include <string.h>
#include <arpa/inet.h>
#include <linux/if_packet.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <sys/sendfile.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <fcntl.h>
#include <sys/uio.h>
#include <netinet/tcp.h>
// #define _GNU_SOURCE /* See feature_test_macros(7) */
// #define ETH_P_IP 0x0800 /* Internet Protocol packet */
// #define ETH_ALEN 6 /* from <net/ethernet.h> */
// #define ETH_P_ALL 0x0003
// #define MY_DEST_MAC0 0xba
// #define MY_DEST_MAC1 0xf6
// #define MY_DEST_MAC2 0xb1
// #define MY_DEST_MAC3 0x71
// #define MY_DEST_MAC4 0x09
// #define MY_DEST_MAC5 0x64
// #define DEFAULT_IF "lo"
// #define BUF_SIZ 8192
char isNumber(char number[])
{
int i = 0;
//checking for negative numbers
if (number[0] == '-')
i = 1;
for (; number[i] != 0; i++)
{
//if (number[i] > '9' || number[i] < '0')
if (!isdigit(number[i]))
return 0;
}
return 1;
}
int main(int argc, char *argv[])
{
// defaults
uint slotLength = 10000; // in microseconds, for bandwidth control
uint quota = 1000000000; // default bytes per slot, default 1GB/slot
uint sentInSlot = 0, slot = 1;
uint total_bytes_sent = 0;
uint bytes, bytes_sent, bytes_in_pipe;
// for timing
double elapsedTime;
struct timeval t_start, t_end, t_now;
// for socket
int fd; // file descriptor of file to send
int sockfd; // socket
struct sockaddr_in servaddr;
// struct sockaddr_ll socket_address;
// for misc
int ret;
int sendsize = 1460; // 1500 MTU - 20 IPv4 - 20 TCP
int bytes2send = 0;
struct stat st;
// create two pipes
int filedes[2];
ret = pipe(filedes);
if (argc < 4)
{
printf("Usage: %s <bytes2send/file2send> <ip> <port> <[optional] bandwidth (bps)> <[optional] sendsize (bytes)>\n", argv[0]);
exit(0);
}
// set bandwidth
if (argc > 4)
quota = atoi(argv[4]) / 8 / (1000000 / slotLength);
// set sendsize (if larger than 1460 will do packetization (fragmentation))
if (argc > 5)
sendsize = atoi(argv[5]);
// adjust slotLength to address packet size issue in the end
if ((quota % sendsize) > 0)
{
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
slotLength = (quota / sendsize + 1) * sendsize / quota * slotLength;
quota = (quota / sendsize + 1) * sendsize;
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
}
else
{
slotLength = (quota / sendsize) * sendsize / quota * slotLength;
}
// get file size (bytes2send)
if (isNumber(argv[1]))
{
// set bytes to send
bytes2send = atoi(argv[1]);
// open file descriptor
fd = open("/data/local/tmp/bigfile", O_RDONLY);
if (fd == -1)
{
fprintf(stderr, "! Unable to open /data/local/tmp/bigfile.\n");
exit(1);
}
}
else
{
// open file descriptor
fd = open(argv[1], O_RDONLY);
if (fd == -1)
{
fprintf(stderr, "! Unable to open file %s.\n", argv[1]);
exit(1);
}
fstat(fd, &st);
bytes2send = st.st_size;
printf("bytes2send:%d\n", bytes2send);
}
// bind socket
sockfd = socket(AF_INET, SOCK_STREAM, 0);
bzero(&servaddr, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = inet_addr(argv[2]);
servaddr.sin_port = htons(atoi(argv[3]));
// connect socket
if (connect(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)) < 0)
{
fprintf(stderr, "! Unable to connect the server.\n");
exit(1);
}
// start timing
gettimeofday(&t_start, NULL);
// start to send
while (total_bytes_sent < bytes2send)
{
if ((bytes2send - total_bytes_sent) < quota)
{
quota = bytes2send - total_bytes_sent;
}
// send in slots
while (sentInSlot < quota)
{
// printf(
// "before: total_bytes_sent %d, sentInSlot %d, quota - sentInSlot %d\n",
// total_bytes_sent, sentInSlot, quota - sentInSlot);
// Splice the data from in_fd into the pipe
if ((bytes_sent = splice(fd, NULL, filedes[1], NULL,
quota - sentInSlot,
SPLICE_F_MORE | SPLICE_F_MOVE)) <= 0) {
if (errno == EINTR || errno == EAGAIN) {
// Interrupted system call/try again
// Just skip to the top of the loop and try again
continue;
}
fprintf(stderr, "! splice error, errno: %d.\n", errno);
exit(1);
}
// Splice the data from the pipe into out_fd
bytes_in_pipe = bytes_sent;
while (bytes_in_pipe > 0) {
if ((bytes = splice(filedes[0], NULL, sockfd, NULL, bytes_in_pipe,
SPLICE_F_MORE | SPLICE_F_MOVE)) <= 0) {
if (errno == EINTR || errno == EAGAIN) {
// Interrupted system call/try again
// Just skip to the top of the loop and try again
continue;
}
fprintf(stderr, "! splice error, errno: %d.\n", errno);
exit(1);
}
bytes_in_pipe -= bytes;
}
total_bytes_sent += bytes_sent;
sentInSlot += bytes_sent;
// printf(
// "after: total_bytes_sent %d, sentInSlot %d, quota - sentInSlot %d\n",
// total_bytes_sent, sentInSlot, quota - sentInSlot);
}
// control bandwidth
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
++slot;
}
// end timing
gettimeofday(&t_end, NULL);
elapsedTime = (t_end.tv_sec - t_start.tv_sec) + (t_end.tv_usec - t_start.tv_usec) / 1000000.0;
printf("duration(s):%lf\nthroughput(bps):%lf\n", elapsedTime, total_bytes_sent * 8 / elapsedTime);
close(sockfd);
close(fd);
return 0;
}

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offloading_binaries/c2s_normaltcp_splice/main.o Normal file
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0
offloading_binaries/Splice/splice → offloading_binaries/c2s_normaltcp_splice/splice
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30
offloading_binaries/c2s_normaludp/main.c
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@ -90,6 +90,19 @@ int main(int argc, char *argv[])
if (argc > 5)
sendsize = atoi(argv[5]);
// adjust slotLength to address packet size issue in the end
if ((quota % sendsize) > 0)
{
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
slotLength = (quota / sendsize + 1) * sendsize / quota * slotLength;
quota = (quota / sendsize + 1) * sendsize;
// printf("quota:%d,sendsize:%d,slotLength:%d\n", quota, sendsize, slotLength);
}
else
{
slotLength = (quota / sendsize) * sendsize / quota * slotLength;
}
// get file size (bytes2send)
if (isNumber(argv[1]))
{
@ -165,17 +178,14 @@ int main(int argc, char *argv[])
// total_bytes_sent, sentInSlot, quota - sentInSlot);
}
// control bandwidth
if (total_bytes_sent < bytes2send)
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
gettimeofday(&t_now, NULL);
elapsedTime = (t_now.tv_sec - t_start.tv_sec) * 1000000.0 + (t_now.tv_usec - t_start.tv_usec);
if (elapsedTime < slotLength * slot)
{
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
// printf(
// "sent %d, quota %d, bytes2send %d, usleep %lfus\n",
// total_bytes_sent, quota, bytes2send, slotLength * slot - elapsedTime);
usleep((int)(slotLength * slot - elapsedTime));
}
sentInSlot = 0;
++slot;

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offloading_binaries/makeall.sh Normal file
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@ -0,0 +1,12 @@
cd c2s_normaltcp_sendfile && make clean && make
cd ../
cd c2s_normaltcp_splice && make clean && make
cd ../
cd c2s_bypassl3 && make clean && make
cd ../
cd c2s_normaludp && make clean && make
cd ../
cd c2s_normaltcp && make clean && make
cd ../
cd c2s_readfile_only && make clean && make
cd ../