2 * $Id: usockfd.c,v 1.4 2009-10-18 19:02:43 didg Exp $
4 * Copyright (C) Joerg Lenneis 2003
5 * All Rights Reserved. See COPYING.
10 #endif /* HAVE_CONFIG_H */
18 #endif /* HAVE_UNISTD_H */
20 #include <sys/socket.h>
21 #include <netinet/in.h>
22 #include <arpa/inet.h>
25 #ifdef HAVE_SYS_TYPES_H
26 #include <sys/types.h>
27 #endif /* HAVE_SYS_TYPES_H */
28 #ifdef HAVE_SYS_TIME_H
30 #endif /* HAVE_SYS_TIME_H */
33 #include <atalk/logger.h>
36 #include <sys/select.h>
38 int usockfd_create(char *usock_fn, mode_t mode, int backlog)
41 struct sockaddr_un addr;
44 if ((sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
45 LOG(log_error, logtype_cnid, "error in socket call: %s",
50 if (unlink(usock_fn) < 0 && errno != ENOENT) {
51 LOG(log_error, logtype_cnid, "error unlinking unix socket file %s: %s",
52 usock_fn, strerror(errno));
55 memset((char *) &addr, 0, sizeof(struct sockaddr_un));
56 addr.sun_family = AF_UNIX;
57 strncpy(addr.sun_path, usock_fn, sizeof(addr.sun_path) - 1);
58 if (bind(sockfd, (struct sockaddr *) &addr, sizeof(struct sockaddr_un)) < 0) {
59 LOG(log_error, logtype_cnid, "error binding to socket for %s: %s",
60 usock_fn, strerror(errno));
64 if (listen(sockfd, backlog) < 0) {
65 LOG(log_error, logtype_cnid, "error in listen for %s: %s",
66 usock_fn, strerror(errno));
70 if (chmod(usock_fn, mode) < 0) {
71 LOG(log_error, logtype_cnid, "error changing permissions for %s: %s",
72 usock_fn, strerror(errno));
81 create a tcp socket (should share dsi stuff)
83 int tsockfd_create(char *host, u_int16_t ipport, int backlog)
86 struct sockaddr_in server;
90 hp=gethostbyname(host);
92 unsigned long int addr=inet_addr(host);
93 if (addr!= (unsigned)-1)
94 hp=gethostbyaddr((char*)addr,sizeof(addr),AF_INET);
97 LOG(log_error, logtype_cnid, "gethostbyaddr %s: %s", host, strerror(errno));
101 memcpy((char*)&server.sin_addr,(char*)hp->h_addr,sizeof(server.sin_addr));
103 if ((sockfd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
104 LOG(log_error, logtype_cnid, "error in socket call: %s", strerror(errno));
108 port = htons(ipport);
110 server.sin_family = AF_INET;
111 server.sin_port = port;
115 setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &port, sizeof(port));
116 #endif /* SO_REUSEADDR */
118 #ifdef USE_TCP_NODELAY
120 #define SOL_TCP IPPROTO_TCP
121 #endif /* ! SOL_TCP */
123 setsockopt(sockfd, SOL_TCP, TCP_NODELAY, &port, sizeof(port));
124 #endif /* USE_TCP_NODELAY */
126 if (bind(sockfd, (struct sockaddr *)&server, sizeof(server)) < 0) {
127 LOG(log_error, logtype_cnid, "error binding to socket for %s: %s",
128 host, strerror(errno));
132 if (listen(sockfd, backlog) < 0) {
133 LOG(log_error, logtype_cnid, "error in listen for %s: %s",
134 host, strerror(errno));
141 /* --------------------- */
142 int usockfd_check(int sockfd, const sigset_t *sigset)
150 FD_SET(sockfd, &readfds);
152 if ((ret = pselect(sockfd + 1, &readfds, NULL, NULL, NULL, sigset)) < 0) {
155 LOG(log_error, logtype_cnid, "error in select: %s",
162 if ((fd = accept(sockfd, NULL, &size)) < 0) {
165 LOG(log_error, logtype_cnid, "error in accept: %s",