fixes #240 nngcat is MIA

This is intended to provide compatibility with, and has been tested
against, legacy nanocat.  There are a few differences though.

At this time support for the alias names (where argv[0] is set to
something like nngreq or somesuch) is missing.

By default this library operations without NNG_FLAG_NONBLOCK on
dial and listen, so that failures here are immediately diagnosable.
(This behavior can be changed with the --async flag.)

By default --pair means PAIRv1, but you can specify --pair0
or --pair1 explicitly.  (There is also a --compat mode, and in
that mode --pair means PAIRv0.  The --compat mode also turns on
NNG_FLAG_NONBLOCK by default.)

The "quoted" mode also quotes tabs.  (Legacy nanocat did not.)

It is possible to connect to *multiple* peers by using the --dial
or --listen (or similar) options multiple times.

Shorthands can be used for long options that are not ambiguous.  For
example, --surv can be used to mean surveyor, but --re is invalid because
it can mean req, rep, or respondent.

We assume you have a reasonable standard C environment.  This won't work
in embedded environments without support for FILE *.

TLS options are missing but to be added soon.

A man page is still to be written.

1 files changed, 5 insertions, 51 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ece149a9..77b00f80 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,7 +91,7 @@ endif()
 
 option (NNG_ENABLE_DOC "Enable building documentation." ON)
 option (NNG_TESTS "Build and run tests" ON)
-option (NNG_TOOLS "Build extra tools" OFF)
+option (NNG_TOOLS "Build extra tools" ON)
 option (NNG_ENABLE_NNGCAT "Enable building nngcat utility." ${NNG_TOOLS})
 option (NNG_ENABLE_COVERAGE "Enable coverage reporting." OFF)
 # Enable access to private APIs for our own use.
@@ -404,8 +404,7 @@ endif()
 #  Build the tools
 
 if (NNG_ENABLE_NNGCAT)
-    add_executable (nanocat tools/nngcat.c tools/options.c)
-    target_link_libraries (nanocat ${PROJECT_NAME})
+    add_subdirectory (tools/nngcat)
 endif ()
 
 if (NNG_ENABLE_DOC)
@@ -456,59 +455,14 @@ if (NNG_ENABLE_DOC)
 
     endmacro (add_libnng_man)
 
-    if (NNG_ENABLE_NNGCAT)
-        add_libnng_man (nngcat 1)
-    endif ()
-
     #add_libnng_man (nn_errno 3)
-    #add_libnng_man (nn_strerror 3)
-    #add_libnng_man (nn_symbol 3)
-    #add_libnng_man (nn_symbol_info 3)
-    #add_libnng_man (nn_allocmsg 3)
-    #add_libnng_man (nn_reallocmsg 3)
-    #add_libnng_man (nn_freemsg 3)
-    #add_libnng_man (nn_socket 3)
-    #add_libnng_man (nn_close 3)
-    #add_libnng_man (nn_get_statistic 3)
-    #add_libnng_man (nn_getsockopt 3)
-    #add_libnng_man (nn_setsockopt 3)
-    #add_libnng_man (nn_bind 3)
-    #add_libnng_man (nn_connect 3)
-    #add_libnng_man (nn_shutdown 3)
-    #add_libnng_man (nn_send 3)
-    #add_libnng_man (nn_recv 3)
-    #add_libnng_man (nn_sendmsg 3)
-    #add_libnng_man (nn_recvmsg 3)
-    #add_libnng_man (nn_device 3)
-    #add_libnng_man (nn_cmsg 3)
-    #add_libnng_man (nn_poll 3)
-    #add_libnng_man (nn_term 3)
 
     #add_libnng_man (nanomsg 7)
-    #add_libnng_man (nn_pair 7)
-    #add_libnng_man (nn_reqrep 7)
-    #add_libnng_man (nn_pubsub 7)
-    #add_libnng_man (nn_survey 7)
-    #add_libnng_man (nn_pipeline 7)
-    #add_libnng_man (nn_bus 7)
-    #add_libnng_man (nn_inproc 7)
-    #add_libnng_man (nn_ipc 7)
-    #add_libnng_man (nn_tcp 7)
-    #add_libnng_man (nn_ws 7)
-    #add_libnng_man (nn_env 7)
-
-    add_custom_target (man ALL DEPENDS ${NNG_MANS})
-    add_custom_target (html ALL DEPENDS ${NNG_HTMLS})
-
-endif ()
 
-#install (TARGETS LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
-#install (TARGETS ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
-#install (FILES src/nng.h DESTINATION include/nng)
+    #add_custom_target (man ALL DEPENDS ${NNG_MANS})
+    #add_custom_target (html ALL DEPENDS ${NNG_HTMLS})
 
-if (NNG_ENABLE_NNGCAT)
-    install (TARGETS nngcat RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-endif()
+endif ()
 
 set (CPACK_PACKAGE_NAME ${PROJECT_NAME})
 set (CPACK_PACKAGE_VERSION ${NNG_PACKAGE_VERSION})