manager: split transaction.[ch]

manager.c takes care of the main loop, unit management, signal handling, ...
transaction.c computes transactions.

After split:
manager.c:     65 KB
transaction.c: 40 KB

Makefile.am

@@ -681,6 +681,8 @@ libsystemd_core_la_SOURCES = \
 	src/core/job.h \
 	src/core/manager.c \
 	src/core/manager.h \
+	src/core/transaction.c \
+	src/core/transaction.h \
 	src/core/load-fragment.c \
 	src/core/load-fragment.h \
 	src/core/service.c \

src/core/job.h

@@ -34,6 +34,7 @@ typedef enum JobMode JobMode;
 typedef enum JobResult JobResult;
 
 #include "manager.h"
+#include "transaction.h"
 #include "unit.h"
 #include "hashmap.h"
 #include "list.h"

src/core/manager.h

@@ -33,7 +33,6 @@
 #define MANAGER_MAX_NAMES 131072 /* 128K */
 
 typedef struct Manager Manager;
-typedef struct Transaction Transaction;
 typedef enum WatchType WatchType;
 typedef struct Watch Watch;
 
@@ -92,12 +91,6 @@ struct Watch {
 #include "dbus.h"
 #include "path-lookup.h"
 
-struct Transaction {
-        /* Jobs to be added */
-        Hashmap *jobs;      /* Unit object => Job object list 1:1 */
-        JobDependency *anchor;
-};
-
 struct Manager {
         /* Note that the set of units we know of is allowed to be
          * inconsistent. However the subset of it that is loaded may

src/core/transaction.h

@@ -0,0 +1,36 @@
+#ifndef footransactionhfoo
+#define footransactionhfoo
+
+typedef struct Transaction Transaction;
+
+#include "unit.h"
+#include "manager.h"
+#include "job.h"
+#include "hashmap.h"
+
+struct Transaction {
+        /* Jobs to be added */
+        Hashmap *jobs;      /* Unit object => Job object list 1:1 */
+        JobDependency *anchor;
+};
+
+Transaction *transaction_new(void);
+void transaction_free(Transaction *tr);
+
+int transaction_add_job_and_dependencies(
+                Transaction *tr,
+                JobType type,
+                Unit *unit,
+                Job *by,
+                bool matters,
+                bool override,
+                bool conflicts,
+                bool ignore_requirements,
+                bool ignore_order,
+                DBusError *e,
+                Job **_ret);
+int transaction_activate(Transaction *tr, Manager *m, JobMode mode, DBusError *e);
+int transaction_add_isolate_jobs(Transaction *tr, Manager *m);
+void transaction_abort(Transaction *tr);
+
+#endif