Dmitry V. Levin
552bc3a09a
* tests/inet-accept-connect-send-recv.c (main): Return 77 if inet stream socket cannot be created or it cannot be bound to INADDR_LOOPBACK. * tests/net-yy.test: Skip the test if inet-accept-connect-send-recv returns 77.
61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
#include <assert.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/wait.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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int main(void)
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{
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static const char data[] = "data";
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const size_t size = sizeof(data) - 1;
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struct sockaddr_in addr;
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socklen_t len = sizeof(addr);
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pid_t pid;
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memset(&addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
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close(0);
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close(1);
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if (socket(PF_INET, SOCK_STREAM, 0)) {
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perror("socket");
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return 77;
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}
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if (bind(0, (struct sockaddr *) &addr, len)) {
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perror("bind");
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return 77;
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}
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assert(listen(0, 5) == 0);
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memset(&addr, 0, sizeof(addr));
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assert(getsockname(0, (struct sockaddr *) &addr, &len) == 0);
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assert((pid = fork()) >= 0);
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if (pid) {
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char buf[sizeof(data)];
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int status;
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assert(accept(0, (struct sockaddr *) &addr, &len) == 1);
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assert(close(0) == 0);
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assert(recv(1, buf, sizeof(buf), MSG_WAITALL) == (int) size);
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assert(waitpid(pid, &status, 0) == pid);
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assert(status == 0);
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assert(close(1) == 0);
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} else {
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assert(close(0) == 0);
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assert(socket(PF_INET, SOCK_STREAM, 0) == 0);
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assert(connect(0, (struct sockaddr *) &addr, len) == 0);
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assert(send(0, data, size, MSG_DONTROUTE) == (int) size);
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assert(close(0) == 0);
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}
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return 0;
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}
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