57 lines
1.0 KiB
C
57 lines
1.0 KiB
C
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#include "cache.h"
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#include "unix-socket.h"
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static int unix_stream_socket(void)
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{
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int fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (fd < 0)
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die_errno("unable to create socket");
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return fd;
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}
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static void unix_sockaddr_init(struct sockaddr_un *sa, const char *path)
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{
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int size = strlen(path) + 1;
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if (size > sizeof(sa->sun_path))
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die("socket path is too long to fit in sockaddr");
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memset(sa, 0, sizeof(*sa));
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sa->sun_family = AF_UNIX;
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memcpy(sa->sun_path, path, size);
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}
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int unix_stream_connect(const char *path)
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{
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int fd;
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struct sockaddr_un sa;
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unix_sockaddr_init(&sa, path);
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fd = unix_stream_socket();
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if (connect(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
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close(fd);
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return -1;
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}
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return fd;
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}
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int unix_stream_listen(const char *path)
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{
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int fd;
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struct sockaddr_un sa;
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unix_sockaddr_init(&sa, path);
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fd = unix_stream_socket();
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unlink(path);
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if (bind(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
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close(fd);
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return -1;
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}
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if (listen(fd, 5) < 0) {
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close(fd);
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return -1;
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}
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return fd;
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}
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