X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=daemon%2Fclient.c;h=fa51d95e05c424dfd697967fc9050fbb6ec27383;hb=000ca725083965e0b0dcc8ef7485f46c6edf3cf4;hp=1bf24206684a6d12245ffc0bfaf532c46de016fd;hpb=a55f78c6558bbeb45d1048eafefa0d88cbb21adb;p=doldaconnect.git

diff --git a/daemon/client.c b/daemon/client.c
index 1bf2420..fa51d95 100644
--- a/daemon/client.c
+++ b/daemon/client.c
@@ -56,6 +56,7 @@ struct scanqueue
 static int conf_share(int argc, wchar_t **argv);
 static void freecache(struct sharecache *node);
 static void checkhashes(void);
+static void writehashcache(int now);
 
 static struct configvar myvars[] =
 {
@@ -76,7 +77,12 @@ static struct scanstate *scanjob = NULL;
 static struct scanqueue *scanqueue = NULL;
 static struct sharepoint *shares = NULL;
 static struct hashcache *hashcache = NULL;
-static pid_t hashjob = 0;
+static struct timer *hashwritetimer = NULL;
+/* Set initially to -1, but changed to 0 the first time run() is
+ * called. This is to avoid forking a hash job before daemonizing,
+ * since that would make the daemon unable to wait() for the hash
+ * job. */
+static pid_t hashjob = -1;
 struct sharecache *shareroot = NULL;
 unsigned long long sharesize = 0;
 GCBCHAIN(sharechangecb, unsigned long long);
@@ -178,10 +184,13 @@ struct hash *parsehash(wchar_t *text)
 
 wchar_t *unparsehash(struct hash *hash)
 {
-    wchar_t *buf, *whbuf;
+    static wchar_t *buf = NULL;
+    wchar_t *whbuf;
     char *hbuf;
     size_t bufsize, bufdata;
     
+    if(buf != NULL)
+	free(buf);
     buf = NULL;
     bufsize = bufdata = 0;
     hbuf = base64encode(hash->buf, hash->len);
@@ -195,9 +204,21 @@ wchar_t *unparsehash(struct hash *hash)
     addtobuf(buf, ':');
     bufcat(buf, whbuf, wcslen(whbuf));
     free(whbuf);
+    addtobuf(buf, 0);
     return(buf);
 }
 
+int hashcmp(struct hash *h1, struct hash *h2)
+{
+    if(wcscmp(h1->algo, h2->algo))
+	return(0);
+    if(h1->len != h2->len)
+	return(0);
+    if(memcmp(h1->buf, h2->buf, h1->len))
+	return(0);
+    return(1);
+}
+
 static struct hashcache *newhashcache(void)
 {
     struct hashcache *new;
@@ -345,13 +366,28 @@ static void readhashcache(void)
     fclose(stream);
 }
 
-static void writehashcache(void)
+static void hashtimercb(int cancelled, void *uudata)
+{
+    hashwritetimer = NULL;
+    if(!cancelled)
+	writehashcache(1);
+}
+
+static void writehashcache(int now)
 {
     char *buf;
     char *hcname;
     FILE *stream;
     struct hashcache *hc;
     
+    if(!now)
+    {
+	if(hashwritetimer == NULL)
+	    hashwritetimer = timercallback(ntime() + 300, (void (*)(int, void *))hashtimercb, NULL);
+	return;
+    }
+    if(hashwritetimer != NULL)
+	canceltimer(hashwritetimer);
     hcname = findhashcachefile(1);
     if((stream = fopen(hcname, "w")) == NULL)
     {
@@ -424,13 +460,13 @@ static void hashread(struct socket *sk, void *uudata)
 	    buf = base64decode(wv[3], NULL);
 	    memcpy(hc->tth, buf, 24);
 	    free(buf);
-	    writehashcache();
+	    writehashcache(0);
 	}
 	memmove(hashbuf, lp, hashbufdata -= (lp - hashbuf));
     }
 }
 
-static void hashexit(pid_t pid, int status, void *uudata)
+static void hashexit(pid_t pid, int status, struct socket *outsock)
 {
     if(pid != hashjob)
 	flog(LOG_ERR, "BUG: hashing process changed PID?! old: %i new %i", hashjob, pid);
@@ -438,6 +474,7 @@ static void hashexit(pid_t pid, int status, void *uudata)
 	flog(LOG_WARNING, "hashing process exited with non-zero status: %i", status);
     hashjob = 0;
     checkhashes();
+    putsock(outsock);
 }
 
 static int hashfile(char *path)
@@ -506,7 +543,7 @@ static int hashfile(char *path)
     close(pfd[1]);
     outsock = wrapsock(pfd[0]);
     outsock->readcb = hashread;
-    childcallback(hashjob, hashexit, NULL);
+    childcallback(hashjob, (void (*)(pid_t, int, void *))hashexit, outsock);
     return(0);
 }
 
@@ -520,16 +557,13 @@ static void checkhashes(void)
     char *path;
     
     node = shareroot->child;
-    while(1)
+    for(node = shareroot->child; node != NULL; node = nextscnode(node))
     {
-	if(node->child != NULL)
-	{
-	    node = node->child;
+	if(node->f.b.type != FILE_REG)
 	    continue;
-	}
 	if(!node->f.b.hastth)
 	{
-	    if((hc = findhashcache(node->dev, node->inode)) != NULL)
+	    if(((hc = findhashcache(node->dev, node->inode)) != NULL) && (hc->mtime == node->mtime))
 	    {
 		memcpy(node->hashtth, hc->tth, 24);
 		node->f.b.hastth = 1;
@@ -540,19 +574,14 @@ static void checkhashes(void)
 		{
 		    flog(LOG_WARNING, "could not hash %s, unsharing it", path);
 		    freecache(node);
+		    free(path);
+		    flog(LOG_INFO, "sharing %lli bytes", sharesize);
+		    continue;
 		}
 		free(path);
 		return;
 	    }
 	}
-	while(node->next == NULL)
-	{
-	    if((node = node->parent) == shareroot)
-		break;
-	}
-	if(node == shareroot)
-	    break;
-	node = node->next;
     }
 }
 
@@ -913,7 +942,7 @@ int doscan(int quantum)
 	    }
 	    type = FILE_REG;
 	} else {
-	    flog(LOG_WARNING, "unhandled file type: %i", sb.st_mode);
+	    flog(LOG_WARNING, "unhandled file type: 0%o", sb.st_mode);
 	    free(wcs);
 	    continue;
 	}
@@ -1036,6 +1065,11 @@ static int init(int hup)
 
 static int run(void)
 {
+    if(hashjob == -1)
+    {
+	hashjob = 0;
+	checkhashes();
+    }
     return(doscan(10));
 }