Created
February 3, 2016 00:05
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synchronous client & server to test fastpath feature
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#include <winsock2.h> | |
#include <ws2tcpip.h> | |
#include <mstcpip.h> | |
#include <stdio.h> | |
#ifndef SIO_LOOPBACK_FAST_PATH | |
# define SIO_LOOPBACK_FAST_PATH 0x98000010 | |
#endif | |
#define assertp(_Expression) \ | |
if(!(_Expression)) { \ | |
printf("assertp failed at %s:%d: %s\n", __FILE__, __LINE__, #_Expression); \ | |
abort(); \ | |
} | |
int main(int argc, char **argv) { | |
WSADATA wsa; | |
WSAStartup(MAKEWORD(2, 2), &wsa); | |
const int PING_LOOPS = 10000; | |
SOCKET inputSocket; | |
char buffer[1024*64]; | |
int flag; | |
int r; | |
// Setup client | |
inputSocket = socket(AF_INET, SOCK_STREAM, 0); | |
assertp(inputSocket != INVALID_SOCKET); | |
flag = 1; | |
if(argc > 1 && atoi(argv[1]) == 0) | |
flag = 0; | |
printf("fastpath flag: %d\n", flag); | |
assertp(WSAIoctl(inputSocket, | |
SIO_LOOPBACK_FAST_PATH, | |
&flag, | |
sizeof(flag), | |
NULL, | |
0, | |
&r, | |
NULL, | |
NULL) == 0); | |
struct sockaddr_in sin; | |
memset(&sin, 0, sizeof(sin)); | |
inet_pton(AF_INET, "127.0.0.1", &sin.sin_addr); | |
sin.sin_port = htons(9123); | |
sin.sin_family = AF_INET; | |
assertp(connect(inputSocket, (struct sockaddr *) &sin, sizeof(sin)) == 0); | |
LARGE_INTEGER begin, end; | |
LARGE_INTEGER perf_frequency; | |
QueryPerformanceFrequency(&perf_frequency); | |
QueryPerformanceCounter(&begin); | |
for(int i = 0; i < PING_LOOPS; i++) { | |
send(inputSocket, buffer, sizeof(buffer), 0); | |
} | |
QueryPerformanceCounter(&end); | |
double benchTime = (double)(end.QuadPart - begin.QuadPart) / perf_frequency.QuadPart; | |
printf("Done: %f s, %.3lf gbits/s\n", benchTime, PING_LOOPS * sizeof(buffer) / benchTime / (1024*1024*1024) * 8); | |
shutdown(inputSocket, SD_BOTH); | |
closesocket(inputSocket); | |
WSACleanup(); | |
return 0; | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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#include <winsock2.h> | |
#include <ws2tcpip.h> | |
#include <mstcpip.h> | |
#include <stdio.h> | |
#ifndef SIO_LOOPBACK_FAST_PATH | |
# define SIO_LOOPBACK_FAST_PATH 0x98000010 | |
#endif | |
#define assertp(_Expression) \ | |
if(!(_Expression)) { \ | |
printf("assert failed at %s:%d: %s\n", __FILE__, __LINE__, #_Expression); \ | |
abort(); \ | |
} | |
static void checkLastError_(const char* file, int line) { | |
int lastError = WSAGetLastError(); | |
if(lastError && lastError != 10054) { | |
printf("failed %s:%d: %d\n", file, line, lastError); | |
abort(); | |
} | |
} | |
#define checklasterror() checkLastError_(__FILE__, __LINE__) | |
int main(int argc, char **argv) { | |
WSADATA wsa; | |
SetLastError(0); | |
assertp(WSAStartup(MAKEWORD(2, 2), &wsa) == 0); | |
checklasterror(); | |
SOCKET outputServerSocket, outputSocket; | |
char buffer[1024*64]; | |
int flag; | |
int r; | |
// Setup socket server | |
outputServerSocket = socket(AF_INET, SOCK_STREAM, 0); | |
assertp(outputServerSocket != INVALID_SOCKET); | |
checklasterror(); | |
struct sockaddr_in sin; | |
memset(&sin, 0, sizeof(sin)); | |
inet_pton(AF_INET, "127.0.0.1", &sin.sin_addr); | |
sin.sin_port = htons(9123); | |
sin.sin_family = AF_INET; | |
assertp(bind(outputServerSocket, (struct sockaddr *) &sin, sizeof(sin)) == 0); | |
checklasterror(); | |
flag = 1; | |
if(argc > 1 && atoi(argv[1]) == 0) | |
flag = 0; | |
printf("fastpath flag: %d\n", flag); | |
assertp(WSAIoctl(outputServerSocket, | |
SIO_LOOPBACK_FAST_PATH, | |
&flag, | |
sizeof(flag), | |
NULL, | |
0, | |
&r, | |
NULL, | |
NULL) == 0); | |
checklasterror(); | |
assertp(listen(outputServerSocket, 1) == 0); | |
checklasterror(); | |
WSABUF buf; | |
buf.buf = buffer; | |
buf.len = sizeof(buffer); | |
while(1) { | |
struct sockaddr_in6 csin; | |
socklen_t csinSize = sizeof(csin); | |
outputSocket = accept(outputServerSocket, (struct sockaddr *) &csin, &csinSize); | |
assertp(outputSocket != INVALID_SOCKET); | |
checklasterror(); | |
for(;;) { | |
r = recv(outputSocket, buffer, sizeof(buffer), 0); | |
checklasterror(); | |
if(r <= 0) | |
break; | |
} | |
printf("Done with last error: %d\n", WSAGetLastError()); | |
closesocket(outputSocket); | |
} | |
closesocket(outputServerSocket); | |
WSACleanup(); | |
return 0; | |
} |
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