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@@ -45,7 +45,6 @@ srs | |
/janus | ||
*.dump | ||
bug | ||
/research/thread-model/thread-local | ||
*.gcp | ||
*.svg | ||
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thread-local | ||
udp-connect-client | ||
udp-connect-server |
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/* | ||
g++ udp-connect-client.cpp ../../objs/st/libst.a -g -O0 -o udp-connect-client && | ||
./udp-connect-client 127.0.0.1 8000 1 | ||
*/ | ||
#include <stdio.h> | ||
#include <stdlib.h> | ||
#include <assert.h> | ||
#include "../../objs/st/st.h" | ||
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#include <sys/socket.h> | ||
#include <arpa/inet.h> | ||
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void* pfn(void* arg) { | ||
sockaddr_in addr = *(sockaddr_in*)arg; | ||
char* ip = inet_ntoa(addr.sin_addr); | ||
int port = ntohs(addr.sin_port); | ||
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int fd = ::socket(AF_INET, SOCK_DGRAM, 0); | ||
st_netfd_t stfd = st_netfd_open_socket(fd); | ||
printf("connect to %s:%d, fd=%d ok\n", ip, port, fd); | ||
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while (true) { | ||
char data[] = "Hello world!"; | ||
int r0 = st_sendto(stfd, data, sizeof(data), (sockaddr*)&addr, sizeof(sockaddr_in), ST_UTIME_NO_TIMEOUT); | ||
printf("fd #%d, send %dB %s, r0=%d\n", fd, (int)sizeof(data), data, r0); | ||
if (r0 != (int)sizeof(data)) { | ||
break; | ||
} | ||
st_usleep(800 * 1000); | ||
} | ||
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st_netfd_close(stfd); | ||
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return NULL; | ||
} | ||
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int main(int argc, char** argv) { | ||
if (argc < 4) { | ||
printf("Usage: %s ip port workers\n", argv[0]); | ||
exit(-1); | ||
} | ||
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st_init(); | ||
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const char* ip = argv[1]; | ||
int port = ::atoi(argv[2]); | ||
int workers = ::atoi(argv[3]); | ||
printf("Start %d workers, to %s:%d\n", workers, ip, port); | ||
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sockaddr_in addr; | ||
addr.sin_family = AF_INET; | ||
addr.sin_addr.s_addr = inet_addr(ip); | ||
addr.sin_port = htons(port); | ||
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for (int i = 0; i < workers; i++) { | ||
st_thread_t thread = st_thread_create(pfn, &addr, 1, 0); | ||
assert(thread); | ||
} | ||
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st_thread_exit(NULL); | ||
return 0; | ||
} | ||
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/* | ||
g++ udp-connect-server.cpp ../../objs/st/libst.a -g -O0 -o udp-connect-server && | ||
./udp-connect-server 127.0.0.1 8000 2 | ||
*/ | ||
#include <stdio.h> | ||
#include <stdlib.h> | ||
#include <assert.h> | ||
#include "../../objs/st/st.h" | ||
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#include <sys/socket.h> | ||
#include <arpa/inet.h> | ||
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#include <vector> | ||
using namespace std; | ||
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vector<int> lfds; | ||
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void* pfn(void* arg) { | ||
sockaddr_in addr = *(sockaddr_in*)arg; | ||
char* ip = inet_ntoa(addr.sin_addr); | ||
int port = ntohs(addr.sin_port); | ||
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int fd = ::socket(AF_INET, SOCK_DGRAM, 0); | ||
assert(fd > 0); | ||
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lfds.push_back(fd); | ||
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// Find another thread to recv packet. | ||
int migrate_fd = 0; | ||
while (!migrate_fd) { | ||
for (int i = 0; i < (int)lfds.size(); i++) { | ||
if (lfds.at(i) != fd) { | ||
migrate_fd = lfds.at(i); | ||
break; | ||
} | ||
} | ||
st_usleep(10 * 1000); | ||
} | ||
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if (true) { | ||
int v = 1; | ||
int r0 = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &v, sizeof(int)); | ||
assert(r0 != -1); | ||
} | ||
if (true) { | ||
int v = 1; | ||
int r0 = setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &v, sizeof(int)); | ||
assert(r0 != -1); | ||
} | ||
if (true) { | ||
int r0 = bind(fd, (sockaddr*)&addr, sizeof(sockaddr_in)); | ||
assert(!r0); | ||
} | ||
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st_netfd_t stfd = st_netfd_open_socket(fd); | ||
printf("listen at %s:%d, fd=%d, migrate_fd=%d ok\n", ip, port, fd, migrate_fd); | ||
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while (true) { | ||
char buf[1600] = {0}; | ||
sockaddr_in from; | ||
int nb_from = sizeof(from); | ||
int r0 = st_recvfrom(stfd, buf, sizeof(buf), (sockaddr*)&from, &nb_from, ST_UTIME_NO_TIMEOUT); | ||
printf("fd #%d, peer %s:%d, got %dB, %s\n", fd, inet_ntoa(from.sin_addr), ntohs(from.sin_port), r0, buf); | ||
if (r0 <= 0) { | ||
break; | ||
} | ||
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// When we got the packet, connect to another thread. | ||
// If it is of type SOCK_DGRAM, this call specifies the peer with which the socket | ||
// is to be associated; this address is that to which datagrams are to be sent, and | ||
// the only address from which datagrams are to be received. | ||
errno = 0; | ||
r0 = connect(migrate_fd, (const sockaddr*)&from, (socklen_t)nb_from); | ||
printf("Transfer %s:%d from #%d to #%d, r0=%d, errno=%d\n", inet_ntoa(from.sin_addr), ntohs(from.sin_port), | ||
fd, migrate_fd, r0, errno); | ||
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st_usleep(10 * 1000); | ||
} | ||
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st_netfd_close(stfd); | ||
return NULL; | ||
} | ||
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int main(int argc, char** argv) { | ||
if (argc < 4) { | ||
printf("Usage: %s ip port workers\n", argv[0]); | ||
exit(-1); | ||
} | ||
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st_init(); | ||
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const char* ip = argv[1]; | ||
int port = ::atoi(argv[2]); | ||
int workers = ::atoi(argv[3]); | ||
printf("Start %d workers, at %s:%d\n", workers, ip, port); | ||
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sockaddr_in addr; | ||
addr.sin_family = AF_INET; | ||
addr.sin_addr.s_addr = inet_addr(ip); | ||
addr.sin_port = htons(port); | ||
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for (int i = 0; i < workers; i++) { | ||
st_thread_t thread = st_thread_create(pfn, &addr, 1, 0); | ||
assert(thread); | ||
} | ||
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st_thread_exit(NULL); | ||
return 0; | ||
} | ||
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