remove satd-rm and satd-r and let satrm and satr do everything (not done yet)

Signed-off-by: Mattias Andrée <maandree@member.fsf.org>

9 files changed, 67 insertions, 176 deletions

diff --git a/src/README b/src/README
index c4a0b15..6780080 100644
--- a/src/README
+++ b/src/README
@@ -1,14 +1,11 @@
 sat.c    The satd program, ask satd to queue a job.
-satq.c   The satq program, ask satd for a list of queued jobs.
-satr.c   The satr program, ask satd to run jobs early.
-satrm.c  The satrm program, ask satd to remove jobs from the queue.
+satq.c   The satq program, prints the job queue.
+satr.c   The satr program, runs jobs and then pokes the daemon.
+satrm.c  The satrm program, removes jobs and then pokes the daemon.
 
 satd.c             The initialisation part of satd.
 satd-diminished.c  The rest of satd, satd.c exec:s to this.
 satd-add.c         The part of satd responding to sat, satd-diminished.c fork–exec:s to this.
-satd-rm.c          The part of satd responding to satrm, satd-diminished.c fork–exec:s to this.
-satd-list.c        The part of satd responding to satlist, satd-diminished.c fork–exec:s to this.
-satd-run.c         The part of satd responding to satr, satd-diminished.c fork–exec:s to this.
 satd-timer.c       The part of satd responsible for running expired jobs and setting timers
 		   to wait for new expirations, satd-diminished.c fork–exec:s to this.
 
@@ -18,10 +15,10 @@ parse_time.[ch]    Use by sat.c to parse the time argument.
 daemonise.[ch]     From <http://github.com/maandree/slibc>;
                    daemonisation of the process. Used by satd.c
 
-client.[ch]        Used by sat{,r,rm}.c, code for communicating
+client.[ch]        Used by sat.c, code for communicating
                    with satd, starts satd transparently if necessary.
 
-daemon.[ch]        Used by sat{q,d*}.c, some shared code for daemons objects.
+daemon.[ch]        Used by sat{q,r,rm,d*}.c, some shared code for daemons objects.
 
 common.h           Used by sat{,q,r,rm,d*}.c, some shared code.
                    Included via client.h and daemon.h.
diff --git a/src/daemon.c b/src/daemon.c
index ab97dff..a39b0e3 100644
--- a/src/daemon.c
+++ b/src/daemon.c
@@ -473,3 +473,16 @@ fail:
 	return fd;
 }
 
+
+/**
+ * Let the daemon know that it may need to
+ * update the timers, and perhaps exit.
+ * 
+ * @return  0 on success, -1 on error.
+ */
+int
+poke_daemon(void)
+{
+	return 0; /* TODO poke_daemon */
+}
+
diff --git a/src/daemon.h b/src/daemon.h
index dc8a355..1d4a747 100644
--- a/src/daemon.h
+++ b/src/daemon.h
@@ -67,21 +67,6 @@
  */
 #define SAT_QUEUE  0
 
-/**
- * Command: remove jobs.
- */
-#define SAT_REMOVE  1
-
-/**
- * Command: print job queue.
- */
-#define SAT_PRINT  2
-
-/**
- * Command: run jobs.
- */
-#define SAT_RUN  3
-
 
 
 /**
@@ -140,6 +125,22 @@ fail:  \
 	FD = WANT
 
 
+#define PROLOGUE(USAGE_ASSUMPTION, ...)     \
+	int state = -1;                     \
+	if (argc > 0)  argv0 = argv[0];     \
+	if (!(USAGE_ASSUMPTION))  usage();  \
+	GET_FD(state, STATE_FILENO, open_state(__VA_ARGS__))
+
+#define CLEANUP_START                       \
+	errno = 0;                          \
+fail:                                       \
+	if (errno)       perror(argv[0]);   \
+	if (state >= 0)  close(state)
+
+#define CLEANUP_END  \
+	return !!errno
+
+
 
 /**
  * Wrapper for `pread` that reads the required amount of data.
@@ -276,3 +277,11 @@ int dup2_and_null(int old, int new);
  */
 int open_state(int open_flags, char **state_path);
 
+/**
+ * Let the daemon know that it may need to
+ * update the timers, and perhaps exit.
+ * 
+ * @return  0 on success, -1 on error.
+ */
+int poke_daemon(void);
+
diff --git a/src/satd-diminished.c b/src/satd-diminished.c
index 845fa13..0ea60d2 100644
--- a/src/satd-diminished.c
+++ b/src/satd-diminished.c
@@ -134,8 +134,6 @@ spawn(int command, int fd, char *argv[], char *envp[])
 	/* Child. */
 	switch (command) {
 	IMAGE(SAT_QUEUE,  "add");
-	IMAGE(SAT_REMOVE, "rm");
-	IMAGE(SAT_RUN,    "run");
 	IMAGE(-1,         "timer");
 	default:
 		fprintf(stderr, "%s: invalid command received.\n", argv[0]);
diff --git a/src/satd-rm.c b/src/satd-rm.c
deleted file mode 100644
index d33160c..0000000
--- a/src/satd-rm.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/**
- * Copyright © 2015, 2016  Mattias Andrée <maandree@member.fsf.org>
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-#include "daemon.h"
-
-
-
-/**
- * Subroutine to the sat daemon: remove jobs.
- * 
- * @param   argc  Should be 3.
- * @param   argv  The name of the process, the pathname of the socket,
- *                and the pathname to the state file.
- * @return  0     The process was successful.
- * @return  1     The process failed queuing the job.
- */
-int
-main(int argc, char *argv[])
-{
-	size_t n = 0;
-	char *message = NULL;
-	char **msg_argv = NULL;
-	char **arg;
-	DAEMON_PROLOGUE;
-
-	/* Receive and validate message. */
-	t (readall(SOCK_FILENO, &message, &n) || !n || message[n - 1]);
-	t (!(msg_argv = restore_array(message, n, NULL)));
-
-	/* Perform action. */
-	for (arg = msg_argv; *arg; arg++)
-		t (remove_job(*arg, 0) && errno);
-
-	DAEMON_CLEANUP_START;
-	free(msg_argv);
-	free(message);
-	DAEMON_CLEANUP_END;
-}
-
diff --git a/src/satd-run.c b/src/satd-run.c
deleted file mode 100644
index cf3f065..0000000
--- a/src/satd-run.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/**
- * Copyright © 2015, 2016  Mattias Andrée <maandree@member.fsf.org>
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-#include "daemon.h"
-
-
-
-/**
- * Subroutine to the sat daemon: run jobs early.
- * 
- * @param   argc  Should be 3.
- * @param   argv  The name of the process, the pathname of the socket,
- *                and the pathname to the state file.
- * @return  0     The process was successful.
- * @return  1     The process failed queuing the job.
- */
-int
-main(int argc, char *argv[])
-{
-	size_t n = 0;
-	char *message = NULL;
-	char **msg_argv = NULL;
-	char **arg;
-	DAEMON_PROLOGUE;
-
-	/* Receive and validate message. */
-	t (readall(SOCK_FILENO, &message, &n) || (n && message[n - 1]));
-	t (n && !(msg_argv = restore_array(message, n, NULL)));
-
-	/* Perform action. */
-	if (msg_argv) {
-		for (arg = msg_argv; *arg; arg++)
-			t (remove_job(*arg, 1) && errno);
-	} else {
-		while (!remove_job(NULL, 1));
-		t (errno);
-	}
-
-	DAEMON_CLEANUP_START;
-	free(msg_argv);
-	free(message);
-	DAEMON_CLEANUP_END;
-}
-
diff --git a/src/satq.c b/src/satq.c
index f2fef92..c097bfd 100644
--- a/src/satq.c
+++ b/src/satq.c
@@ -247,25 +247,16 @@ main(int argc, char *argv[])
 {
 	struct job **jobs = NULL;
 	struct job **job;
-	int state = -1;
+	PROLOGUE(argc < 2, O_RDONLY, NULL);
 
-	if (argc > 0)  argv0 = argv[0];
-	if (argc > 1)  usage();
-
-	GET_FD(state, STATE_FILENO, open_state(O_RDONLY, NULL));
 	t (!(jobs = get_jobs()));
 	for (job = jobs; *job; job++)
 		t (print_job(*job));
 
-	errno = 0;
-fail:
-	if (errno)
-		perror(argv[0]);
+	CLEANUP_START;
 	for (job = jobs; jobs && *job; job++)
 		free(*job);
 	free(jobs);
-	if (state >= 0)
-		close(state);
-	return !!errno;
+	CLEANUP_END;
 }
 
diff --git a/src/satr.c b/src/satr.c
index 42bfda4..3a46079 100644
--- a/src/satr.c
+++ b/src/satr.c
@@ -19,7 +19,7 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
-#include "client.h"
+#include "daemon.h"
 
 
 
@@ -41,16 +41,19 @@ USAGE("[JOB-ID]...")
 int
 main(int argc, char *argv[])
 {
-	size_t n = 0;
-	char *msg = NULL;
-
-	if (argc > 0)  argv0 = argv[0];
-	if (argc < 2)  goto run;
-
+	PROLOGUE(1, O_RDWR, NULL);
 	NO_OPTIONS;
-	CONSTRUCT_MESSAGE;
-run:
-	SEND(SAT_RUN, n, msg);
-	END(msg);
+
+	if (argc > 1) {
+		for (argv++; *argv; argv++)
+			t (remove_job(*argv, 1) && errno);
+	} else {
+		while (!remove_job(NULL, 1));
+		t (errno);
+	}
+	t (poke_daemon());
+
+	CLEANUP_START;
+	CLEANUP_END;
 }
 
diff --git a/src/satrm.c b/src/satrm.c
index fda6288..115373c 100644
--- a/src/satrm.c
+++ b/src/satrm.c
@@ -19,7 +19,7 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
-#include "client.h"
+#include "daemon.h"
 
 
 
@@ -42,15 +42,14 @@ USAGE("JOB-ID...")
 int
 main(int argc, char *argv[])
 {
-	size_t n;
-	char *msg = NULL;
+	PROLOGUE(argc >= 2, O_RDWR, NULL);
+	NO_OPTIONS;
 
-	if (argc > 0)  argv0 = argv[0];
-	if (argc < 2)  usage();
+	for (argv++; *argv; argv++)
+		t (remove_job(*argv, 0) && errno);
+	t (poke_daemon());
 
-	NO_OPTIONS;
-	CONSTRUCT_MESSAGE;
-	SEND(SAT_REMOVE, n, msg);
-	END(msg);
+	CLEANUP_START;
+	CLEANUP_END;
 }