2 * Copyright (C) Joerg Lenneis 2003
3 * All Rights Reserved. See COPYING.
8 #endif /* HAVE_CONFIG_H */
16 #include <sys/socket.h>
17 #include <netinet/in.h>
18 #include <arpa/inet.h>
20 #include <sys/types.h>
23 #include <atalk/logger.h>
24 #include <atalk/compat.h>
27 #include <sys/select.h>
29 int usockfd_create(char *usock_fn, mode_t mode, int backlog)
32 struct sockaddr_un addr;
35 if ((sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
36 LOG(log_error, logtype_cnid, "error in socket call: %s",
41 if (unlink(usock_fn) < 0 && errno != ENOENT) {
42 LOG(log_error, logtype_cnid, "error unlinking unix socket file %s: %s",
43 usock_fn, strerror(errno));
46 memset((char *) &addr, 0, sizeof(struct sockaddr_un));
47 addr.sun_family = AF_UNIX;
48 strncpy(addr.sun_path, usock_fn, sizeof(addr.sun_path) - 1);
49 if (bind(sockfd, (struct sockaddr *) &addr, sizeof(struct sockaddr_un)) < 0) {
50 LOG(log_error, logtype_cnid, "error binding to socket for %s: %s",
51 usock_fn, strerror(errno));
55 if (listen(sockfd, backlog) < 0) {
56 LOG(log_error, logtype_cnid, "error in listen for %s: %s",
57 usock_fn, strerror(errno));
64 if (chmod(usock_fn, mode) < 0) {
65 LOG(log_error, logtype_cnid, "error changing permissions for %s: %s",
66 usock_fn, strerror(errno));
77 int tsockfd_create(char *host, char *port, int backlog)
79 int sockfd, flag, ret;
80 struct addrinfo hints, *servinfo, *p;
82 /* Prepare hint for getaddrinfo */
83 memset(&hints, 0, sizeof hints);
84 hints.ai_family = AF_UNSPEC;
85 hints.ai_socktype = SOCK_STREAM;
87 if ((ret = getaddrinfo(host, port, &hints, &servinfo)) != 0) {
88 LOG(log_error, logtype_default, "tsockfd_create: getaddrinfo: %s\n", gai_strerror(ret));
93 /* loop through all the results and bind to the first we can */
94 for (p = servinfo; p != NULL; p = p->ai_next) {
95 if ((sockfd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
96 LOG(log_info, logtype_default, "tsockfd_create: socket: %s", strerror(errno));
101 * Set some socket options:
102 * SO_REUSEADDR deals w/ quick close/opens
103 * TCP_NODELAY diables Nagle
107 setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &flag, sizeof(flag));
110 #ifdef USE_TCP_NODELAY
112 #define SOL_TCP IPPROTO_TCP
115 setsockopt(sockfd, SOL_TCP, TCP_NODELAY, &flag, sizeof(flag));
116 #endif /* USE_TCP_NODELAY */
118 if (bind(sockfd, p->ai_addr, p->ai_addrlen) == -1) {
120 LOG(log_info, logtype_default, "tsockfd_create: bind: %s\n", strerror(errno));
124 if (listen(sockfd, backlog) < 0) {
126 LOG(log_info, logtype_default, "tsockfd_create: listen: %s\n", strerror(errno));
130 /* We got a socket */
135 LOG(log_error, logtype_default, "tsockfd_create: no suitable network config %s:%s", host, port);
136 freeaddrinfo(servinfo);
140 freeaddrinfo(servinfo);
144 /* --------------------- */
145 int usockfd_check(int sockfd, const sigset_t *sigset)
153 FD_SET(sockfd, &readfds);
155 if ((ret = pselect(sockfd + 1, &readfds, NULL, NULL, NULL, sigset)) < 0) {
158 LOG(log_error, logtype_cnid, "error in select: %s",
165 if ((fd = accept(sockfd, NULL, &size)) < 0) {
168 LOG(log_error, logtype_cnid, "error in accept: %s",