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/* LCOV_EXCL_START */
#if defined(COVERAGE)
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <assert.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <covsrv/covsrv.h>
int sock = -1;
int covsrv_init()
{
char *name = getenv("COVSRV_SOCKET");
if (!name) {
fprintf(stderr, "\tCOVSRV: SOCK -- COVSRV_SOCKET not defined\n");
return -1;
}
sock = socket(AF_UNIX, SOCK_SEQPACKET, 0);
if (sock == -1) {
fprintf(stderr, "\tCOVSRV: SOCK -- failed opening %s: %s\n",
name, strerror(errno));
return -1;
}
struct sockaddr_un addr;
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
strncpy(addr.sun_path, name, sizeof(addr.sun_path) - 1);
if (connect(sock, (const struct sockaddr *)&addr, sizeof(addr)) == -1) {
fprintf(stderr, "\tCOVSRV: SOCK -- failed opening connection to %s: %s\n",
name, strerror(errno));
close(sock);
sock = -1;
return -1;
}
return 0;
}
int covsrv_die2(const char *id)
{
assert(sock != -1);
ssize_t len = (ssize_t)strlen(id);
ssize_t w = write(sock, id, len);
if (w == -1) {
fprintf(stderr, "\tCOVSRV: WRITE -- write failed: %s\n",
strerror(errno));
abort();
return 0;
}
/* could try to send the rest instead of printing a warning? */
if (w != len)
fprintf(stderr, "\tCOVSRV: WRITE -- partial write\n");
int seen = 0;
ssize_t r = read(sock, &seen, sizeof(seen));
if (r == -1) {
fprintf(stderr, "\tCOVSRV: READ -- read failed: %s\n",
strerror(errno));
abort();
return 0;
}
if (r != sizeof(seen)) {
fprintf(stderr, "\tCOVSRV: READ -- partial read\n");
abort();
return 0;
}
if (seen)
return 0;
printf("\tCOVSRV: DIE @ %s\n", id);
return 1;
}
void covsrv_destroy()
{
assert(sock != -1);
close(sock);
printf("\tCOVSRV: EXIT\n");
}
#endif /* COVERAGE */
/* LCOV_EXCL_STOP */
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