Introducing iomgr.

Move eventmanager and platform dependent endpoint functionality into a single
library called 'iomgr'.

This is primarily to prepare for a Windows port - where posix socket semantics
lead to poor quality code.

Mostly this is a code movement CL, with some small changes to help prepare the
way for porting:

- em style fd objects can only be held internally in iomgr, and own their memory
- added grpc_iomgr_create_endpoint_pair() to accomodate the common pattern of
creating a tcp endpoint from the output of socketpair - this will help keep
our tests portable
- separated em alarm interface into a separate file, as this part of event
manager is needed higher up the stack
- made the eventmanager bits a true singleton, simplifying API's across the
stack as there's no longer a reason to carry a pointer there.

Initial design document is here:
https://docs.google.com/document/d/1VmafcHvvrP5kwtQkz84R5yXF7u7fW-9Pn0bkSUQHDt8/edit?disco=AAAAARNByxg
	Change on 2014/12/09 by ctiller <ctiller@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=81716456

1 files changed, 73 insertions, 62 deletions

diff --git a/vsprojects/vs2013/grpc.vcxproj b/vsprojects/vs2013/grpc.vcxproj
index 993dff3a66..0ecb82384a 100644
--- a/vsprojects/vs2013/grpc.vcxproj
+++ b/vsprojects/vs2013/grpc.vcxproj
@@ -96,17 +96,24 @@
     <ClInclude Include="..\..\src\core\compression\algorithm.h" />
     <ClInclude Include="..\..\src\core\compression\message_compress.h" />
     <ClInclude Include="..\..\src\core\endpoint\endpoint.h" />
-    <ClInclude Include="..\..\src\core\endpoint\resolve_address.h" />
-    <ClInclude Include="..\..\src\core\endpoint\secure_endpoint.h" />
-    <ClInclude Include="..\..\src\core\endpoint\socket_utils.h" />
-    <ClInclude Include="..\..\src\core\endpoint\tcp_client.h" />
-    <ClInclude Include="..\..\src\core\endpoint\tcp.h" />
-    <ClInclude Include="..\..\src\core\endpoint\tcp_server.h" />
-    <ClInclude Include="..\..\src\core\eventmanager\em.h" />
     <ClInclude Include="..\..\src\core\httpcli\format_request.h" />
     <ClInclude Include="..\..\src\core\httpcli\httpcli.h" />
     <ClInclude Include="..\..\src\core\httpcli\httpcli_security_context.h" />
     <ClInclude Include="..\..\src\core\httpcli\parser.h" />
+    <ClInclude Include="..\..\src\core\iomgr\alarm.h" />
+    <ClInclude Include="..\..\src\core\iomgr\endpoint_pair.h" />
+    <ClInclude Include="..\..\src\core\iomgr\iomgr_completion_queue_interface.h" />
+    <ClInclude Include="..\..\src\core\iomgr\iomgr.h" />
+    <ClInclude Include="..\..\src\core\iomgr\iomgr_libevent.h" />
+    <ClInclude Include="..\..\src\core\iomgr\resolve_address.h" />
+    <ClInclude Include="..\..\src\core\iomgr\sockaddr.h" />
+    <ClInclude Include="..\..\src\core\iomgr\sockaddr_posix.h" />
+    <ClInclude Include="..\..\src\core\iomgr\sockaddr_utils.h" />
+    <ClInclude Include="..\..\src\core\iomgr\sockaddr_win32.h" />
+    <ClInclude Include="..\..\src\core\iomgr\socket_utils_posix.h" />
+    <ClInclude Include="..\..\src\core\iomgr\tcp_client.h" />
+    <ClInclude Include="..\..\src\core\iomgr\tcp_posix.h" />
+    <ClInclude Include="..\..\src\core\iomgr\tcp_server.h" />
     <ClInclude Include="..\..\src\core\security\auth.h" />
     <ClInclude Include="..\..\src\core\security\credentials.h" />
     <ClInclude Include="..\..\src\core\security\google_root_certs.h" />
@@ -120,9 +127,9 @@
     <ClInclude Include="..\..\src\core\surface\call.h" />
     <ClInclude Include="..\..\src\core\surface\channel.h" />
     <ClInclude Include="..\..\src\core\surface\client.h" />
-    <ClInclude Include="..\..\src\core\surface\lame_client.h" />
     <ClInclude Include="..\..\src\core\surface\completion_queue.h" />
     <ClInclude Include="..\..\src\core\surface\event_string.h" />
+    <ClInclude Include="..\..\src\core\surface\lame_client.h" />
     <ClInclude Include="..\..\src\core\surface\server.h" />
     <ClInclude Include="..\..\src\core\surface\surface_em.h" />
     <ClInclude Include="..\..\src\core\surface\surface_trace.h" />
@@ -136,8 +143,8 @@
     <ClInclude Include="..\..\src\core\transport\chttp2\frame_window_update.h" />
     <ClInclude Include="..\..\src\core\transport\chttp2\hpack_parser.h" />
     <ClInclude Include="..\..\src\core\transport\chttp2\hpack_table.h" />
-    <ClInclude Include="..\..\src\core\transport\chttp2\huffsyms.h" />
     <ClInclude Include="..\..\src\core\transport\chttp2\http2_errors.h" />
+    <ClInclude Include="..\..\src\core\transport\chttp2\huffsyms.h" />
     <ClInclude Include="..\..\src\core\transport\chttp2\status_conversion.h" />
     <ClInclude Include="..\..\src\core\transport\chttp2\stream_encoder.h" />
     <ClInclude Include="..\..\src\core\transport\chttp2\stream_map.h" />
@@ -185,23 +192,61 @@
     </ClCompile>
     <ClCompile Include="..\..\src\core\endpoint\endpoint.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\endpoint\resolve_address.c">
+    <ClCompile Include="..\..\src\core\endpoint\secure_endpoint.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\httpcli\format_request.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\httpcli\httpcli.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\httpcli\httpcli_security_context.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\httpcli\parser.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\iomgr\endpoint_pair_posix.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\iomgr\iomgr_libevent.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\iomgr\iomgr_libevent_use_threads.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\iomgr\resolve_address_posix.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\iomgr\sockaddr_utils.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\endpoint\socket_utils.c">
+    <ClCompile Include="..\..\src\core\iomgr\socket_utils_common_posix.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\endpoint\socket_utils_linux.c">
+    <ClCompile Include="..\..\src\core\iomgr\socket_utils_linux.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\endpoint\socket_utils_posix.c">
+    <ClCompile Include="..\..\src\core\iomgr\socket_utils_posix.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\endpoint\tcp.c">
+    <ClCompile Include="..\..\src\core\iomgr\tcp_client_posix.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\endpoint\tcp_client.c">
+    <ClCompile Include="..\..\src\core\iomgr\tcp_posix.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\endpoint\tcp_server.c">
+    <ClCompile Include="..\..\src\core\iomgr\tcp_server_posix.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\eventmanager\em.c">
+    <ClCompile Include="..\..\src\core\security\auth.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\security\credentials.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\eventmanager\em_posix.c">
+    <ClCompile Include="..\..\src\core\security\google_root_certs.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\security\secure_transport_setup.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\security\security_context.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\security\server_secure_chttp2.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\statistics\census_init.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\statistics\census_rpc_stats.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\statistics\census_tracing.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\statistics\hash_table.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\statistics\log.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\statistics\window_stats.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\surface\byte_buffer.c">
     </ClCompile>
@@ -215,14 +260,18 @@
     </ClCompile>
     <ClCompile Include="..\..\src\core\surface\client.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\surface\lame_client.c">
-    </ClCompile>
     <ClCompile Include="..\..\src\core\surface\completion_queue.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\surface\event_string.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\surface\init.c">
     </ClCompile>
+    <ClCompile Include="..\..\src\core\surface\lame_client.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\surface\secure_channel_create.c">
+    </ClCompile>
+    <ClCompile Include="..\..\src\core\surface\secure_server_create.c">
+    </ClCompile>
     <ClCompile Include="..\..\src\core\surface\server.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\surface\server_chttp2.c">
@@ -261,60 +310,22 @@
     </ClCompile>
     <ClCompile Include="..\..\src\core\transport\chttp2\timeout_encoding.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\transport\chttp2\varint.c">
-    </ClCompile>
     <ClCompile Include="..\..\src\core\transport\chttp2_transport.c">
     </ClCompile>
+    <ClCompile Include="..\..\src\core\transport\chttp2\varint.c">
+    </ClCompile>
     <ClCompile Include="..\..\src\core\transport\metadata.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\transport\stream_op.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\transport\transport.c">
     </ClCompile>
-    <ClCompile Include="..\..\src\core\statistics\census_init.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\statistics\census_rpc_stats.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\statistics\census_tracing.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\statistics\log.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\statistics\window_stats.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\statistics\hash_table.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\httpcli\format_request.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\httpcli\httpcli.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\httpcli\httpcli_security_context.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\httpcli\parser.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\security\auth.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\security\credentials.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\security\google_root_certs.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\security\secure_transport_setup.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\security\security_context.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\security\server_secure_chttp2.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\surface\secure_channel_create.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\surface\secure_server_create.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\endpoint\secure_endpoint.c">
-    </ClCompile>
-    <ClCompile Include="..\..\src\core\tsi\transport_security.c">
-    </ClCompile>
     <ClCompile Include="..\..\src\core\tsi\fake_transport_security.c">
     </ClCompile>
     <ClCompile Include="..\..\src\core\tsi\ssl_transport_security.c">
     </ClCompile>
+    <ClCompile Include="..\..\src\core\tsi\transport_security.c">
+    </ClCompile>
     <ClCompile Include="..\..\third_party\cJSON\cJSON.c">
     </ClCompile>
   </ItemGroup>