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66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
#include <st.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char** argv)
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{
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if (argc < 4) {
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printf("Usage: %s <host> <port> <pong>\n", argv[0]);
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printf("For example:\n");
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printf(" %s 127.0.0.1 8000 true\n", argv[0]);
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exit(-1);
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}
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int port = atoi(argv[2]);
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char* host = argv[1];
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bool pong = !strcmp(argv[3], "pong");
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printf("Server listen %s:%d, pong %d\n", host, port, pong);
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assert(!st_set_eventsys(ST_EVENTSYS_ALT));
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assert(!st_init());
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int fd = socket(PF_INET, SOCK_DGRAM, 0);
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assert(fd > 0);
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st_netfd_t stfd = st_netfd_open_socket(fd);
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assert(stfd);
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sockaddr_in peer;
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memset(&peer, 0, sizeof(sockaddr_in));
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peer.sin_family = AF_INET;
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peer.sin_port = htons(port);
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peer.sin_addr.s_addr = inet_addr(host);
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char buf[1500];
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memset(buf, 0, sizeof(buf));
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memcpy(buf, "Hello", 5);
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iovec iov;
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iov.iov_base = buf;
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iov.iov_len = strlen(buf);
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msghdr msg;
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memset(&msg, 0, sizeof(msghdr));
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msg.msg_name = (sockaddr_in*)&peer;
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msg.msg_namelen = sizeof(sockaddr_in);
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msg.msg_iov = &iov;
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msg.msg_iovlen = 1;
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int r0 = st_sendmsg(stfd, &msg, 0, ST_UTIME_NO_TIMEOUT);
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printf("Ping %s:%d %d bytes, r0=%d, %s\n", host, port, iov.iov_len, r0, msg.msg_iov->iov_base);
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if (pong) {
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r0 = st_recvmsg(stfd, &msg, 0, ST_UTIME_NO_TIMEOUT);
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assert(r0 > 0);
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printf("Pong %s:%d %d bytes, flags %#x, %s\n", inet_ntoa(peer.sin_addr), ntohs(peer.sin_port), r0,
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msg.msg_flags, msg.msg_iov->iov_base);
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}
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return 0;
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}
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