From: Pierre Habouzit <madcoder@debian.org>
Date: Thu, 26 Apr 2007 15:18:33 +0000 (+0200)
Subject: Various code simplifications.
X-Git-Url: http://git.madism.org/?p=apps%2Fpfixtools.git;a=commitdiff_plain;h=dd4df3834d9d0175c7ee4fc19061945d1968581b

Various code simplifications.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
---

diff --git a/job.c b/job.c
index 5216e65..b7edeac 100644
--- a/job.c
+++ b/job.c
@@ -60,22 +60,16 @@
 static int epollfd = -1;
 static bool sigint = false;
 
-static void job_wipe(job_t *job)
-{
-    if (job->fd >= 0) {
-        close(job->fd);
-        job->fd = -1;
-    }
-}
-DO_DELETE(job_t, job);
-
-void job_release(job_t **job)
+void job_delete(job_t **job)
 {
     if (*job) {
         if ((*job)->stop) {
             (*job)->stop(*job);
         }
-        job_delete(job);
+        if ((*job)->fd >= 0) {
+            close((*job)->fd);
+        }
+        p_delete(job);
     }
 }
 
@@ -83,18 +77,18 @@ static job_t *job_register_fd(job_t *job)
 {
     struct epoll_event event = { .data.ptr = job, .events = EPOLLRDHUP };
 
-    if (job->state & JOB_READ || job->state & JOB_LISTEN) {
+    if (job->state & (JOB_READ | JOB_LISTEN)) {
         event.events |= EPOLLIN;
     }
 
-    if (job->state & JOB_WRITE || job->state & JOB_CONN) {
-        event.events |= EPOLLIN;
+    if (job->state & (JOB_WRITE | JOB_CONN)) {
+        event.events |= EPOLLOUT;
     }
 
     if (epoll_ctl(epollfd, EPOLL_CTL_ADD, job->fd, &event) < 0) {
         syslog(LOG_ERR, "epoll_ctl error: %m");
         job->error = true;
-        job_release(&job);
+        job_delete(&job);
     }
 
     return job;
@@ -108,16 +102,18 @@ void job_update_state(job_t *job, int state)
         return;
 
     job->state = state;
-
-    if (job->state & JOB_READ || job->state & JOB_LISTEN) {
+    if (job->state & (JOB_READ | JOB_LISTEN)) {
         event.events |= EPOLLIN;
     }
 
-    if (job->state & JOB_WRITE || job->state & JOB_CONN) {
-        event.events |= EPOLLIN;
+    if (job->state & (JOB_WRITE | JOB_CONN)) {
+        event.events |= EPOLLOUT;
     }
 
-    epoll_ctl(epollfd, EPOLL_CTL_MOD, job->fd, &event);
+    if (epoll_ctl(epollfd, EPOLL_CTL_MOD, job->fd, &event) < 0) {
+        syslog(LOG_ERR, "epoll_ctl error: %m");
+        job->error = true;
+    }
 }
 
 job_t *job_accept(job_t *listener, int state)
@@ -143,7 +139,7 @@ job_t *job_accept(job_t *listener, int state)
     return job_register_fd(res);
 }
 
-static void job_handler(int sig)
+static void job_sighandler(int sig)
 {
     static time_t lastintr = 0;
     time_t now = time(NULL);
@@ -173,8 +169,8 @@ static void job_handler(int sig)
 void job_initialize(void)
 {
     signal(SIGPIPE, SIG_IGN);
-    signal(SIGINT, &job_handler);
-    signal(SIGTERM, &job_handler);
+    signal(SIGINT,  &job_sighandler);
+    signal(SIGTERM, &job_sighandler);
 
     epollfd = epoll_create(128);
     if (epollfd < 0) {
@@ -203,7 +199,7 @@ void job_loop(void)
             job->process(job);
 
             if (job->error || job->done) {
-                job_release(&job);
+                job_delete(&job);
             }
         }
     }
diff --git a/job.h b/job.h
index 36e5c0d..7a63829 100644
--- a/job.h
+++ b/job.h
@@ -43,8 +43,8 @@ enum job_state {
     JOB_READ   = 0x01,
     JOB_WRITE  = 0x02,
     JOB_RDWR   = 0x03,
-    JOB_CONN   = 0x04,
-    JOB_LISTEN = 0x08,
+    JOB_LISTEN = 0x04,
+    JOB_CONN   = 0x08,
 };
 
 enum smtp_state {
@@ -58,29 +58,28 @@ enum smtp_state {
     STATE_ETRN,
 };
 
-typedef struct job_t   job_t;
 typedef struct jpriv_t jpriv_t;
 
-struct job_t {
+typedef struct job_t {
     unsigned state : 6;
     unsigned done  : 1;
     unsigned error : 1;
 
     int fd;
 
-    void (*process)(job_t *);
-    void (*stop)(job_t *);
+    void (*process)(struct job_t *);
+    void (*stop)(struct job_t *);
 
     jpriv_t *jdata;
-};
+} job_t;
 
-static inline job_t *job_init(job_t *job) {
-    p_clear(job, 1);
+static inline job_t *job_new(void) {
+    job_t *job = p_new(job_t, 1);
     job->fd = -1;
     return job;
 }
-DO_NEW(job_t, job);
-void job_release(job_t **job);
+void job_delete(job_t **job);
+
 void job_update_state(job_t *job, int state);
 job_t *job_accept(job_t *listener, int state);
 
diff --git a/postfix.c b/postfix.c
index 1ecd9f2..380988f 100644
--- a/postfix.c
+++ b/postfix.c
@@ -47,13 +47,13 @@ struct jpriv_t {
     buffer_t obuf;
 };
 
-jpriv_t *postfix_jpriv_init(jpriv_t *jp)
+static jpriv_t *postfix_jpriv_init(jpriv_t *jp)
 {
     buffer_init(&jp->ibuf);
     buffer_init(&jp->obuf);
     return jp;
 }
-void postfix_jpriv_wipe(jpriv_t *jp)
+static void postfix_jpriv_wipe(jpriv_t *jp)
 {
     buffer_wipe(&jp->ibuf);
     buffer_wipe(&jp->obuf);
@@ -61,30 +61,23 @@ void postfix_jpriv_wipe(jpriv_t *jp)
 DO_NEW(jpriv_t, postfix_jpriv);
 DO_DELETE(jpriv_t, postfix_jpriv);
 
-
-void postfix_start(job_t *listener)
-{
-    job_t *job;
-
-    job = job_accept(listener, JOB_READ);
-    if (!job)
-        return;
-
-    job->jdata = postfix_jpriv_new();
-}
-
-void postfix_stop(job_t *job)
+static void postfix_stop(job_t *job)
 {
     postfix_jpriv_delete(&job->jdata);
 }
 
-void postfix_process(job_t *job)
+static void postfix_process(job_t *job)
 {
     int nb;
 
     switch (job->state) {
       case JOB_LISTEN:
-        return postfix_start(job);
+        if ((job = job_accept(job, JOB_READ))) {
+            job->jdata   = postfix_jpriv_new();
+            job->process = &postfix_process;
+            job->stop    = &postfix_stop;
+        }
+        return;
 
       case JOB_WRITE:
         nb = write(job->fd, job->jdata->obuf.data, job->jdata->obuf.len);
diff --git a/postlicyd.c b/postlicyd.c
index 03675ad..7877665 100644
--- a/postlicyd.c
+++ b/postlicyd.c
@@ -42,7 +42,7 @@
 
 bool cleanexit = false;
 
-void shutdown(void)
+static void shutdown(void)
 {
     syslog(LOG_INFO, cleanexit ? "Stopping..." : "Unclean exit...");
     job_shutdown();