Patchwork [10,of,14,RFC,c-hglib:level0] hg_next_channel: reading the channel for the next chunk of data

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Submitter Iulian Stana
Date Sept. 3, 2013, 8:30 p.m.
Message ID <ce2e0a81d30f6846e5d9.1378240249@doppler>
Download mbox | patch
Permalink /patch/2315/
State Deferred, archived
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Iulian Stana - Sept. 3, 2013, 8:30 p.m.
# HG changeset patch
# User Iulian Stana <julian.stana@gmail.com>
# Date 1378235759 -10800
#      Tue Sep 03 22:15:59 2013 +0300
# Node ID ce2e0a81d30f6846e5d9bfcdfae9d6b1f060ea4f
# Parent  555015b8d91225388caf7e404837521a0b7bdf1f
hg_next_channel: reading the channel for the next chunk of data

Patch

diff --git a/client.c b/client.c
--- a/client.c
+++ b/client.c
@@ -329,3 +329,16 @@ 
 	}
 	return length;
 }
+
+/*
+ * The channel for the next chunk of data.
+ * */
+char hg_next_channel(hg_handle *handle)
+{
+	if(!handle) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	return handle->next_header.channel;
+}
diff --git a/client.h b/client.h
--- a/client.h
+++ b/client.h
@@ -136,4 +136,20 @@ 
  * */
 int hg_rawwrite(hg_handle *handle, const char *buffer, size_t sizebuff);
 
+/**
+ * \brief Reading the channel for the next chunk of data.
+ *
+ * Before you read or write data, you will want to know what kind of data is
+ * server waiting to send or receive.
+ * This function will return the next channel for the connection established
+ * by the handle.
+ * \param handle The handle of the connection, wherewith I want to communicate
+ * \retval   0 if successful
+ * \retval  -1 to indicate an error, with errno set appropriately.
+ *
+ * errno can be:
+ *      - EINVAL   - Invalid argument (handle it's set to a null pointer)
+ * */
+char hg_next_channel(hg_handle *handle);
+
 #endif