1 /* $OpenBSD: cmd-show-messages.c,v 1.27 2017/04/22 10:22:39 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <string.h> 22 #include <time.h> 23 #include <unistd.h> 24 #include <vis.h> 25 26 #include "tmux.h" 27 28 /* 29 * Show client message log. 30 */ 31 32 static enum cmd_retval cmd_show_messages_exec(struct cmd *, 33 struct cmdq_item *); 34 35 const struct cmd_entry cmd_show_messages_entry = { 36 .name = "show-messages", 37 .alias = "showmsgs", 38 39 .args = { "JTt:", 0, 0 }, 40 .usage = "[-JT] " CMD_TARGET_CLIENT_USAGE, 41 42 .flags = CMD_AFTERHOOK, 43 .exec = cmd_show_messages_exec 44 }; 45 46 static int cmd_show_messages_terminals(struct cmdq_item *, int); 47 static int cmd_show_messages_jobs(struct cmdq_item *, int); 48 49 static int 50 cmd_show_messages_terminals(struct cmdq_item *item, int blank) 51 { 52 struct tty_term *term; 53 u_int i, n; 54 55 n = 0; 56 LIST_FOREACH(term, &tty_terms, entry) { 57 if (blank) { 58 cmdq_print(item, "%s", ""); 59 blank = 0; 60 } 61 cmdq_print(item, "Terminal %u: %s [references=%u, flags=0x%x]:", 62 n, term->name, term->references, term->flags); 63 n++; 64 for (i = 0; i < tty_term_ncodes(); i++) 65 cmdq_print(item, "%s", tty_term_describe(term, i)); 66 } 67 return (n != 0); 68 } 69 70 static int 71 cmd_show_messages_jobs(struct cmdq_item *item, int blank) 72 { 73 struct job *job; 74 u_int n; 75 76 n = 0; 77 LIST_FOREACH(job, &all_jobs, entry) { 78 if (blank) { 79 cmdq_print(item, "%s", ""); 80 blank = 0; 81 } 82 cmdq_print(item, "Job %u: %s [fd=%d, pid=%ld, status=%d]", 83 n, job->cmd, job->fd, (long)job->pid, job->status); 84 n++; 85 } 86 return (n != 0); 87 } 88 89 static enum cmd_retval 90 cmd_show_messages_exec(struct cmd *self, struct cmdq_item *item) 91 { 92 struct args *args = self->args; 93 struct client *c; 94 struct message_entry *msg; 95 char *tim; 96 int done, blank; 97 98 if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL) 99 return (CMD_RETURN_ERROR); 100 101 done = blank = 0; 102 if (args_has(args, 'T')) { 103 blank = cmd_show_messages_terminals(item, blank); 104 done = 1; 105 } 106 if (args_has(args, 'J')) { 107 cmd_show_messages_jobs(item, blank); 108 done = 1; 109 } 110 if (done) 111 return (CMD_RETURN_NORMAL); 112 113 TAILQ_FOREACH(msg, &c->message_log, entry) { 114 tim = ctime(&msg->msg_time); 115 *strchr(tim, '\n') = '\0'; 116 117 cmdq_print(item, "%s %s", tim, msg->msg); 118 } 119 120 return (CMD_RETURN_NORMAL); 121 } 122