X-Git-Url: http://www.dolda2000.com/gitweb/?p=ashd.git;a=blobdiff_plain;f=src%2Fhtparser.c;h=de5bbc2a61f32f93fa1ebe1db51c197fcd857840;hp=c1903b44a349157e87d1db806fea7e11fc7a9485;hb=ecd4208b888be7f60bc2ae013b799861959b7cb9;hpb=8d19a9ecff0be0cd79c161096ead60f60d6b50e2

diff --git a/src/htparser.c b/src/htparser.c
index c1903b4..de5bbc2 100644
--- a/src/htparser.c
+++ b/src/htparser.c
@@ -41,6 +41,7 @@
 static int plex;
 static char *pidfile = NULL;
 static int daemonize, usesyslog;
+struct mtbuf listeners;
 
 static void trimx(struct hthead *req)
 {
@@ -290,7 +291,7 @@ void serve(FILE *in, struct conn *conn)
     
     out = NULL;
     req = resp = NULL;
-    while(1) {
+    while(plex >= 0) {
 	if((req = parsereq(in)) == NULL)
 	    break;
 	if(!canonreq(req))
@@ -299,7 +300,7 @@ void serve(FILE *in, struct conn *conn)
 	if((conn->initreq != NULL) && conn->initreq(conn, req))
 	    break;
 	
-	if(block(plex, EV_WRITE, 60) <= 0)
+	if((plex < 0) || block(plex, EV_WRITE, 60) <= 0)
 	    break;
 	if(socketpair(PF_UNIX, SOCK_STREAM, 0, pfds))
 	    break;
@@ -319,7 +320,8 @@ void serve(FILE *in, struct conn *conn)
 		if(recvchunks(in, out))
 		    break;
 	    } else {
-		break;
+		/* Ignore rather than abort, to be kinder to broken clients. */
+		headrmheader(req, "content-type");
 	    }
 	}
 	if(fflush(out))
@@ -403,30 +405,40 @@ static void plexwatch(struct muth *muth, va_list args)
 {
     vavar(int, fd);
     char *buf;
-    int ret;
+    int i, ret;
     
     while(1) {
-	block(fd, EV_READ, 0);
+	if(block(fd, EV_READ, 0) == 0)
+	    break;
 	buf = smalloc(65536);
 	ret = recv(fd, buf, 65536, 0);
 	if(ret < 0) {
 	    flog(LOG_WARNING, "received error on rootplex read channel: %s", strerror(errno));
 	    exit(1);
 	} else if(ret == 0) {
-	    exit(0);
+	    free(buf);
+	    break;
 	}
 	/* Maybe I'd like to implement some protocol in this direction
 	 * some day... */
 	free(buf);
     }
+    shutdown(plex, SHUT_RDWR);
+    for(i = 0; i < listeners.d; i++) {
+	if(listeners.b[i] == muth)
+	    bufdel(listeners, i);
+    }
+    flog(LOG_INFO, "root handler exited, so shutting down listening...");
+    while(listeners.d > 0)
+	resume(listeners.b[0], 0);
 }
 
 static void initroot(void *uu)
 {
     int fd;
     
+    setsid();
     if(daemonize) {
-	setsid();
 	chdir("/");
 	if((fd = open("/dev/null", O_RDWR)) >= 0) {
 	    dup2(fd, 0);
@@ -493,9 +505,14 @@ static void addport(char *spec)
     buffree(vals);
 }
 
+static void sighandler(int sig)
+{
+    exitioloop(1);
+}
+
 int main(int argc, char **argv)
 {
-    int c;
+    int c, d;
     int i, s1;
     char *root;
     FILE *pidout;
@@ -547,7 +564,7 @@ int main(int argc, char **argv)
 	flog(LOG_ERR, "could not spawn root multiplexer: %s", strerror(errno));
 	return(1);
     }
-    mustart(plexwatch, plex);
+    bufadd(listeners, mustart(plexwatch, plex));
     pidout = NULL;
     if(pidfile != NULL) {
 	if((pidout = fopen(pidfile, "w")) == NULL) {
@@ -574,6 +591,9 @@ int main(int argc, char **argv)
 	}
     }
     signal(SIGPIPE, SIG_IGN);
+    signal(SIGCHLD, SIG_IGN);
+    signal(SIGINT, sighandler);
+    signal(SIGTERM, sighandler);
     if(daemonize) {
 	daemon(0, 0);
     }
@@ -581,6 +601,22 @@ int main(int argc, char **argv)
 	fprintf(pidout, "%i\n", getpid());
 	fclose(pidout);
     }
-    ioloop();
+    d = 0;
+    while(!d) {
+	switch(ioloop()) {
+	case 0:
+	    d = 1;
+	    break;
+	case 1:
+	    if(listeners.d > 0) {
+		while(listeners.d > 0)
+		    resume(listeners.b[0], 0);
+		flog(LOG_INFO, "no longer listening");
+	    } else {
+		d = 1;
+	    }
+	    break;
+	}
+    }
     return(0);
 }