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Comparing rxvt-unicode/src/rxvtd.C (file contents):
Revision 1.30 by root, Wed Aug 9 22:01:07 2006 UTC vs.
Revision 1.46 by root, Sun Jun 15 13:54:15 2008 UTC

1/*----------------------------------------------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtd.C 2 * File: rxvtd.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * 4 *
5 * All portions of code are copyright by their respective author/s. 5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com> 6 * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
… …
36#include <cerrno> 36#include <cerrno>
37 37
38#include "rxvt.h" 38#include "rxvt.h"
39#include "rxvtdaemon.h" 39#include "rxvtdaemon.h"
40#include "libptytty.h" 40#include "libptytty.h"
41#include "iom.h"
42 41
43struct server : rxvt_connection { 42struct server : rxvt_connection {
44 log_callback log_cb; 43 log_callback log_cb;
45 getfd_callback getfd_cb; 44 getfd_callback getfd_cb;
46 45
47 void read_cb (io_watcher &w, short revents); io_watcher read_ev; 46 void read_cb (ev::io &w, int revents); ev::io read_ev;
48 void log_msg (const char *msg); 47 void log_msg (const char *msg);
49 int getfd (int remote_fd); 48 int getfd (int remote_fd);
50 49
51 server (int fd) 50 server (int fd)
52 : read_ev (this, &server::read_cb),
53 log_cb (this, &server::log_msg),
54 getfd_cb (this, &server::getfd)
55 { 51 {
52 read_ev.set <server, &server::read_cb> (this);
53 log_cb.set <server, &server::log_msg> (this);
54 getfd_cb.set<server, &server::getfd> (this);
55
56 this->fd = fd; 56 this->fd = fd;
57 fcntl (fd, F_SETFD, FD_CLOEXEC);
58 fcntl (fd, F_SETFL, 0);
57 read_ev.start (fd, EVENT_READ); 59 read_ev.start (fd, ev::READ);
58 } 60 }
59 61
60 void err (const char *format = 0, ...); 62 void err (const char *format = 0, ...);
61}; 63};
62 64
63struct unix_listener { 65struct unix_listener {
64 int fd; 66 int fd;
65 67
66 void accept_cb (io_watcher &w, short revents); io_watcher accept_ev; 68 void accept_cb (ev::io &w, int revents); ev::io accept_ev;
67 69
68 unix_listener (const char *sockname); 70 unix_listener (const char *sockname);
69}; 71};
70 72
71unix_listener::unix_listener (const char *sockname) 73unix_listener::unix_listener (const char *sockname)
72: accept_ev (this, &unix_listener::accept_cb)
73{ 74{
75 accept_ev.set<unix_listener, &unix_listener::accept_cb> (this);
76
74 sockaddr_un sa; 77 sockaddr_un sa;
75 78
76 if (strlen(sockname) >= sizeof(sa.sun_path)) 79 if (strlen (sockname) >= sizeof(sa.sun_path))
80 {
77 rxvt_fatal ("socket name too long, aborting.\n"); 81 fputs ("socket name too long, aborting.\n", stderr);
82 exit (EXIT_FAILURE);
83 }
78 84
79 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0) 85 if ((fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
80 { 86 {
81 perror ("unable to create listening socket"); 87 perror ("unable to create listening socket");
82 exit (EXIT_FAILURE); 88 exit (EXIT_FAILURE);
83 } 89 }
84 90
85 fcntl (fd, F_SETFD, FD_CLOEXEC); 91 fcntl (fd, F_SETFD, FD_CLOEXEC);
92 fcntl (fd, F_SETFL, O_NONBLOCK);
86 93
87 sa.sun_family = AF_UNIX; 94 sa.sun_family = AF_UNIX;
88 strcpy (sa.sun_path, sockname); 95 strcpy (sa.sun_path, sockname);
89 96
90 unlink (rxvt_connection::unix_sockname ()); 97 unlink (rxvt_connection::unix_sockname ());
… …
103 { 110 {
104 perror ("unable to listen on socket"); 111 perror ("unable to listen on socket");
105 exit (EXIT_FAILURE); 112 exit (EXIT_FAILURE);
106 } 113 }
107 114
108 accept_ev.start (fd, EVENT_READ); 115 accept_ev.start (fd, ev::READ);
109} 116}
110 117
111void unix_listener::accept_cb (io_watcher &w, short revents) 118void unix_listener::accept_cb (ev::io &w, int revents)
112{ 119{
113 int fd2 = accept (fd, 0, 0); 120 int fd2 = accept (fd, 0, 0);
114 121
115 if (fd2 >= 0) 122 if (fd2 >= 0)
116 {
117 fcntl (fd2, F_SETFD, FD_CLOEXEC);
118 new server (fd2); 123 new server (fd2);
119 }
120} 124}
121 125
122int server::getfd (int remote_fd) 126int server::getfd (int remote_fd)
123{ 127{
124 send ("GETFD"); 128 send ("GETFD");
… …
140 va_list ap; 144 va_list ap;
141 va_start (ap, format); 145 va_start (ap, format);
142 vsnprintf (err, 1024, format, ap); 146 vsnprintf (err, 1024, format, ap);
143 va_end (ap); 147 va_end (ap);
144 148
145 send ("MSG"), send (err); 149 log_msg (err);
146 } 150 }
147 151
148 send ("END", 0); 152 send ("END"), send (0);
149 close (fd); 153 close (fd);
150 delete this; 154 delete this;
151} 155}
152 156
153void server::read_cb (io_watcher &w, short revents) 157void server::read_cb (ev::io &w, int revents)
154{ 158{
155 auto_str tok; 159 auto_str tok;
156 160
157 if (recv (tok)) 161 if (recv (tok))
158 { 162 {
159 if (!strcmp (tok, "NEW")) 163 if (!strcmp (tok, "NEW"))
160 { 164 {
161 stringvec *argv = new stringvec; 165 stringvec *argv = new stringvec;
162 stringvec *envv = new stringvec; 166 stringvec *envv = new stringvec;
163 167
164 for (;;) 168 for (;;)
165 { 169 {
166 if (!recv (tok)) 170 if (!recv (tok))
167 return err (); 171 return err ();
168 172
169 if (!strcmp (tok, "END")) 173 if (!strcmp (tok, "END"))
170 break; 174 break;
171 else if (!strcmp (tok, "ENV") && recv (tok)) 175 else if (!strcmp (tok, "ENV") && recv (tok))
172 envv->push_back (strdup (tok)); 176 envv->push_back (strdup (tok));
173 else if (!strcmp (tok, "CWD") && recv (tok))
174 {
175 if (chdir (tok))
176 err ("unable to change to working directory to '%s': %s",
177 (char *)tok, strerror (errno));
178 }
179 else if (!strcmp (tok, "ARG") && recv (tok)) 177 else if (!strcmp (tok, "ARG") && recv (tok))
180 argv->push_back (strdup (tok)); 178 argv->push_back (strdup (tok));
181 else 179 else
182 return err ("protocol error: unexpected NEW token"); 180 return err ("protocol error: unexpected NEW token.\n");
183 } 181 }
184 182
185 envv->push_back (0); 183 envv->push_back (0);
186 184
187 { 185 {
188 rxvt_term *term = new rxvt_term; 186 rxvt_term *term = new rxvt_term;
189 187
190 term->log_hook = &log_cb; 188 term->log_hook = &log_cb;
191 term->getfd_hook = &getfd_cb; 189 term->getfd_hook = &getfd_cb;
192 190
193 bool success; 191 bool success = true;
194 192
195 try 193 try
196 { 194 {
197 success = term->init (argv, envv); 195 term->init (argv, envv);
198 } 196 }
199 catch (const class rxvt_failure_exception &e) 197 catch (const class rxvt_failure_exception &e)
200 { 198 {
201 success = false; 199 success = false;
202 } 200 }
203 201
204 term->log_hook = 0; 202 term->log_hook = 0;
205 203
206 chdir ("/"); 204 chdir ("/"); // init might change to different working directory
207 205
208 if (!success) 206 if (!success)
209 term->destroy (); 207 term->destroy ();
210 208
211 send ("END"); send (success ? 1 : 0); 209 send ("END"); send (success ? 1 : 0);
212 } 210 }
213 } 211 }
214 else 212 else
215 return err ("protocol error: request '%s' unsupported.", (char *)tok); 213 return err ("protocol error: request '%s' unsupported.\n", (char *)tok);
216 } 214 }
217 else 215 else
218 return err (); 216 return err ();
219} 217}
220 218
… …
237 { 235 {
238 rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]); 236 rxvt_log ("%s: unknown option '%s', aborting.\n", argv [0], argv [i]);
239 return EXIT_FAILURE; 237 return EXIT_FAILURE;
240 } 238 }
241 } 239 }
242
243 chdir ("/");
244 240
241 // optionally open display and never release it.
245 if (opt_opendisplay) 242 if (opt_opendisplay)
246 displays.get (getenv ("DISPLAY")); // open display and never release it 243 if (const char *dpy = getenv ("DISPLAY"))
244 displays.get (dpy ? dpy : ":0"); // move string logic into rxvt_display maybe?
247 245
248 char *sockname = rxvt_connection::unix_sockname (); 246 char *sockname = rxvt_connection::unix_sockname ();
249 unix_listener l (sockname); 247 unix_listener l (sockname);
248
249 chdir ("/");
250 250
251 if (!opt_quiet) 251 if (!opt_quiet)
252 { 252 {
253 printf ("rxvt-unicode daemon listening on %s.\n", sockname); 253 printf ("rxvt-unicode daemon listening on %s.\n", sockname);
254 fflush (stdout); 254 fflush (stdout);
… …
265 rxvt_log ("unable to fork daemon, aborting.\n"); 265 rxvt_log ("unable to fork daemon, aborting.\n");
266 return EXIT_FAILURE; 266 return EXIT_FAILURE;
267 } 267 }
268 else if (pid > 0) 268 else if (pid > 0)
269 _exit (EXIT_SUCCESS); 269 _exit (EXIT_SUCCESS);
270 }
271 270
272 io_manager::loop (); 271 ev_default_fork ();
272 }
273
274 ev_loop (0);
273 275
274 return EXIT_SUCCESS; 276 return EXIT_SUCCESS;
275} 277}
276 278

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