1 /* Copyright (C) 2018 Thomas Balzer */
3 /* This file is part of tomd. */
5 /* tomd is free software: you can redistribute it and/or modify */
6 /* it under the terms of the GNU General Public License as published by */
7 /* the Free Software Foundation, either version 3 of the License, or */
8 /* (at your option) any later version. */
10 /* tomd is distributed in the hope that it will be useful, */
11 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */
12 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
13 /* GNU General Public License for more details. */
15 /* You should have received a copy of the GNU General Public License */
16 /* along with tomd. If not, see <http://www.gnu.org/licenses/>. */
23 #include "../../include/job.h"
24 #include "../../include/macros.h"
25 #include "../../include/scm_interface.h"
27 #define MANIFEST_LOC "/.config/tomd/init/manifest.scm"
31 static struct job jobs
[MAX_JOBS
];
33 static struct job
load_job(SCM job_list
, int index
)
35 struct job ret
= { NULL
};
36 SCM scm_cur_job
= SCM_ARR(job_list
, index
);
38 if(scm_is_false(job_predicate(scm_cur_job
))){
39 tomd_p("job %d wasn't a real job type.", index
);
43 SCM scm_name
= get_name(scm_cur_job
);
44 SCM scm_cmd
= get_cmd(scm_cur_job
);
45 SCM scm_args
= get_args(scm_cur_job
);
47 /* TODO > Handle these. */
48 /* planned is to be able to run at different points, and at */
49 /* the request of a user. for testing we do things all at */
51 SCM scm_start_trigger
= get_start_trigger(scm_cur_job
);
52 SCM scm_end_trigger
= get_end_trigger(scm_cur_job
);
54 char *job_name
= scm_to_locale_string(scm_name
);
55 char *job_cmd
= scm_to_locale_string(scm_cmd
);
57 int jlen
= scm_to_int(scm_length(scm_args
));
62 scm_to_locale_string(SCM_ARR(scm_args
, j
));
71 ret
.args
[j
] = real_args
[j
- 1];
73 ret
.args
[jlen
+ 1] = NULL
;
74 ret
.args
[0] = ret
.cmd
;
79 static void *load_manifest(void *args
)
83 tomd_p("arg to load_manifest is NULL");
86 manifest_loc
= (char *)args
;
88 scm_c_primitive_load(args
);
91 scm_c_public_ref("tomd manifest", "job-list");
93 if(scm_is_false(scm_job_list
)){
94 tomd_p("no job-list found in manifest.scm");
98 if(scm_is_false(scm_list_p(scm_job_list
))){
99 tomd_p("job-list found, but isn't a list.");
104 int len
= SCM_LIST_LEN(scm_job_list
);
105 tomd_p("len=%d, max=%d", len
, MAX_JOBS
);
107 i
< len
&& i
< MAX_JOBS
;
109 jobs
[i
] = load_job(scm_job_list
, i
);
111 tomd_p("looked at %d jobs.", i
);
115 static char *lookup_user_folder(void)
117 uid_t user
= getuid();
118 struct passwd
*userpasswd
=
121 /* take the manifest location and sub ~ for pw_dir */
122 char *buffer
= (char *)malloc(sizeof(char) * 300);
123 strcpy(buffer
, userpasswd
->pw_dir
);
124 int len
= strlen(userpasswd
->pw_dir
);
125 strcpy(buffer
+ len
, MANIFEST_LOC
);
131 char *manifest
= lookup_user_folder();
132 tomd_p("Loading jobs from '%s'", manifest
);
135 scm_with_guile(load_manifest
,
138 tomd_p("Finished loading.");
143 jobs
[i
].cmd
== NULL
) {
146 tomd_p("JOB <%d>:", i
);
147 tomd_p(" cmd:'%s'", jobs
[i
].cmd
);
151 jobs
[i
].args
[j
] == NULL
){
154 tomd_p(" arg [%d]:'%s'", j
, jobs
[i
].args
[j
]);
161 #define LOG_DIR "/var/log/tomd/"
163 void run_job(int index
)
165 struct job
*job
= &jobs
[index
];
168 if(pid
== 0){ /* child */
171 /* tomd_p("hallo"); */
172 /* if(job->args[i] == NULL){ */
173 /* tomd_p("arg [%d] is NULL", i); */
176 /* tomd_p("arg [%d] is '%s'", i, job->args[i]); */
181 /* redirect to a file */
183 strcpy(buf
, LOG_DIR
);
184 strcpy(buf
+ strlen(LOG_DIR
), job
->name
);
185 tomd_p("redirecting stdout to %s.", buf
);
186 if(unlink(buf
) != 0){
187 perror("file couldn't be removed.");
190 int fd
= open(buf
, O_WRONLY
| O_CREAT
, 0644);
192 perror("[tomd] couldn't open file.");
196 dup2(fd
, STDOUT_FILENO
);
197 dup2(fd
, STDERR_FILENO
);
199 execvp(job
->cmd
, job
->args
);
200 tomd_p("execvp for '%s' failed", job
->cmd
);
204 tomd_p("forked [%d] to run '%s'", pid
, job
->cmd
);
214 if(jobs
[i
].cmd
== NULL
){
215 tomd_p("out of jobs");
218 tomd_p("running job [%d] '%s'", i
, jobs
[i
].cmd
);