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OSX connectx sample from https://github.com/shadowsocks/shadowsocks/issues/399#issuecomment-126280454
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#include <errno.h> | |
#include <stdio.h> | |
#include <unistd.h> | |
#include <netinet/tcp.h> | |
#include <netinet/in.h> | |
#include <arpa/inet.h> | |
#include <sys/socket.h> | |
int main(int argc, char **argv) { | |
int s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); | |
if (s < 0) | |
{ | |
perror("socket"); | |
return 1; | |
} | |
struct sockaddr_in addr; | |
addr.sin_family = AF_INET; | |
addr.sin_port = htons(80); | |
addr.sin_len = sizeof(addr); | |
inet_aton("127.0.0.1", &addr.sin_addr); | |
sa_endpoints_t endpoints; | |
endpoints.sae_srcif = 0; | |
endpoints.sae_srcaddr = NULL; | |
endpoints.sae_srcaddrlen = 0; | |
endpoints.sae_dstaddr = (struct sockaddr *)&addr; | |
endpoints.sae_dstaddrlen = sizeof(addr); | |
int rc = connectx(s, &endpoints, SAE_ASSOCID_ANY, CONNECT_RESUME_ON_READ_WRITE | CONNECT_DATA_IDEMPOTENT, NULL, 0, NULL, NULL); | |
if (rc < 0) | |
{ | |
perror("connectx"); | |
return 1; | |
} | |
char buf[1024]; | |
rc = write(s, buf, 1024); | |
if (rc < 0) | |
{ | |
perror("write"); | |
return 1; | |
} | |
close(s); | |
return 0; | |
} |
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