Added SILC Thread Queue API

[silc.git] / lib / silcutil / silcfdstream.c

diff --git a/lib/silcutil/silcfdstream.c b/lib/silcutil/silcfdstream.c
index 5a552847e0702a7c68b77906ffa2a1bdceea05ab..ea043f2bec1b57945e7119b77bcde8e1ff0f3139 100644 (file)
--- a/lib/silcutil/silcfdstream.c
+++ b/lib/silcutil/silcfdstream.c
@@ -28,12 +28,12 @@ const SilcStreamOps silc_fd_stream_ops;
 /* FD stream context */
 typedef struct {
   const SilcStreamOps *ops;
+  SilcStack stack;
   SilcSchedule schedule;
   SilcStreamNotifier notifier;
   void *notifier_context;
   int fd1;
   int fd2;
-  int error;
 } *SilcFDStream;
 
 
@@ -67,62 +67,91 @@ SILC_TASK_CALLBACK(silc_fd_stream_io)
 
 /* Create file descriptor stream */
 
-SilcStream silc_fd_stream_create(int fd)
+SilcStream silc_fd_stream_create(int fd, SilcStack stack)
 {
-  if (fd < 1)
+  if (fd < 1) {
+    silc_set_errno_reason(SILC_ERR_BAD_FD, "Bad file descriptor %d", fd);
     return NULL;
-  return silc_fd_stream_create2(fd, 0);
+  }
+  return silc_fd_stream_create2(fd, 0, stack);
 }
 
 /* Create stream with two file descriptors */
 
-SilcStream silc_fd_stream_create2(int read_fd, int write_fd)
+SilcStream silc_fd_stream_create2(int read_fd, int write_fd, SilcStack stack)
 {
   SilcFDStream stream;
 
-  if (read_fd < 1)
-    return NULL;
+  if (stack)
+    stack = silc_stack_alloc(0, stack);
 
-  stream = silc_calloc(1, sizeof(*stream));
-  if (!stream)
+  stream = silc_scalloc(stack, 1, sizeof(*stream));
+  if (!stream) {
+    silc_stack_free(stack);
     return NULL;
+  }
 
   SILC_LOG_DEBUG(("Creating new fd stream %p", stream));
 
   stream->ops = &silc_fd_stream_ops;
   stream->fd1 = read_fd;
   stream->fd2 = write_fd;
+  stream->stack = stack;
 
   return stream;
 }
 
 /* Create by opening file */
 
-SilcStream silc_fd_stream_file(const char *filename,
-                              SilcBool reading, SilcBool writing)
+SilcStream silc_fd_stream_file(const char *filename, SilcBool reading,
+                              SilcBool writing, SilcStack stack)
 {
-  int fd, flags = 0;
-  SilcStream stream;
+  const char *read_file = NULL, *write_file = NULL;
 
-  if (!filename)
+  if (!filename) {
+    silc_set_errno(SILC_ERR_INVALID_ARGUMENT);
     return NULL;
+  }
 
-  SILC_LOG_DEBUG(("Creating new fd stream for file `%s'", filename));
-
-  if (reading)
-    flags |= O_RDONLY;
   if (writing)
-    flags |= O_CREAT | O_WRONLY;
-  if (reading && writing)
-    flags = O_CREAT | O_RDWR;
+    write_file = filename;
+  if (reading)
+    read_file = filename;
 
-  fd = silc_file_open(filename, flags);
-  if (fd < 0)
-    return NULL;
+  return silc_fd_stream_file2(read_file, write_file, stack);
+}
+
+/* Create by opening two files */
+
+SilcStream silc_fd_stream_file2(const char *read_file, const char *write_file,
+                               SilcStack stack)
+{
+  SilcStream stream;
+  int fd1 = 0, fd2 = 0;
 
-  stream = silc_fd_stream_create(fd);
-  if (!stream)
-    silc_file_close(fd);
+  SILC_LOG_DEBUG(("Creating new fd stream for reading `%s' and writing `%s'",
+                 read_file ? read_file : "(none)",
+                 write_file ? write_file : "(none)"));
+
+  if (write_file) {
+    fd2 = silc_file_open(write_file, O_CREAT | O_WRONLY);
+    if (fd2 < 0) {
+      silc_file_close(fd1);
+      return NULL;
+    }
+  }
+
+  if (read_file) {
+    fd1 = silc_file_open(read_file, O_RDONLY);
+    if (fd1 < 0)
+      return NULL;
+  }
+
+  stream = silc_fd_stream_create2(fd1, fd2, stack);
+  if (!stream) {
+    silc_file_close(fd1);
+    silc_file_close(fd2);
+  }
 
   return stream;
 }
@@ -145,18 +174,6 @@ SilcBool silc_fd_stream_get_info(SilcStream stream, int *read_fd,
   return TRUE;
 }
 
-/* Return errno */
-
-int silc_fd_stream_get_error(SilcStream stream)
-{
-  SilcFDStream fd_stream = stream;
-
-  if (!SILC_IS_FD_STREAM(fd_stream))
-    return 0;
-
-  return fd_stream->error;
-}
-
 /* Read */
 
 int silc_fd_stream_read(SilcStream stream, unsigned char *buf,
@@ -176,12 +193,13 @@ int silc_fd_stream_read(SilcStream stream, unsigned char *buf,
       SILC_LOG_DEBUG(("Could not read immediately, will do it later"));
       silc_schedule_set_listen_fd(fd_stream->schedule, fd_stream->fd1,
                                  SILC_TASK_READ, FALSE);
+      silc_set_errno_posix(errno);
       return -1;
     }
     SILC_LOG_DEBUG(("Cannot read from fd: %d:%s",
                    fd_stream->fd1, strerror(errno)));
     silc_schedule_unset_listen_fd(fd_stream->schedule, fd_stream->fd1);
-    fd_stream->error = errno;
+    silc_set_errno_posix(errno);
     return -2;
   }
 
@@ -212,11 +230,12 @@ int silc_fd_stream_write(SilcStream stream, const unsigned char *data,
       SILC_LOG_DEBUG(("Could not write immediately, will do it later"));
       silc_schedule_set_listen_fd(fd_stream->schedule, fd_stream->fd2,
                                  SILC_TASK_READ | SILC_TASK_WRITE, FALSE);
+      silc_set_errno_posix(errno);
       return -1;
     }
     SILC_LOG_DEBUG(("Cannot write to fd: %s", strerror(errno)));
     silc_schedule_unset_listen_fd(fd_stream->schedule, fd_stream->fd2);
-    fd_stream->error = errno;
+    silc_set_errno_posix(errno);
     return -2;
   }
 
@@ -259,8 +278,12 @@ SilcBool silc_fd_stream_close(SilcStream stream)
 
 void silc_fd_stream_destroy(SilcStream stream)
 {
+  SilcFDStream fd_stream = stream;
+  SilcStack stack = fd_stream->stack;
+
   silc_fd_stream_close(stream);
-  silc_free(stream);
+  silc_sfree(stack, stream);
+  silc_stack_free(stack);
 }
 
 /* Sets stream notification callback for the stream */
@@ -290,7 +313,7 @@ SilcBool silc_fd_stream_notifier(SilcStream stream,
                                silc_fd_stream_io, stream);
       silc_schedule_set_listen_fd(schedule, fd_stream->fd1,
                                  SILC_TASK_READ, FALSE);
-      silc_file_set_nonblock(fd_stream->fd1);;
+      silc_file_set_nonblock(fd_stream->fd1);
       if (fd_stream->fd2 < 1)
        fd_stream->fd2 = fd_stream->fd1;
     }