Merge pull request #386 from puppyofkosh/CDRIVER-1395-squished

CDRIVER-1395 client metadata linux distro scanner

Author: ajdavis

CMakeLists.txt

@@ -359,11 +359,13 @@ endif()
 
 if (ENABLE_EXPERIMENTAL_FEATURES)
    set(HEADERS ${HEADERS}
+        ${SOURCE_DIR}/src/mongoc/mongoc-linux-distro-scanner-private.h
         ${SOURCE_DIR}/src/mongoc/mongoc-metadata.h
         ${SOURCE_DIR}/src/mongoc/mongoc-metadata-os-private.h
         ${SOURCE_DIR}/src/mongoc/mongoc-metadata-private.h
    )
    set(SOURCES ${SOURCES}
+        ${SOURCE_DIR}/src/mongoc/mongoc-linux-distro-scanner.c
         ${SOURCE_DIR}/src/mongoc/mongoc-metadata.c
    )
 endif ()
@@ -512,6 +514,7 @@ endif ()
 
 if (ENABLE_EXPERIMENTAL_FEATURES)
    set(test-libmongoc-sources ${test-libmongoc-sources}
+      ${SOURCE_DIR}/tests/test-mongoc-linux-distro-scanner.c
       ${SOURCE_DIR}/tests/test-mongoc-max-staleness.c
       ${SOURCE_DIR}/tests/test-mongoc-metadata.c
    )

src/mongoc/Makefile.am

@@ -109,6 +109,7 @@ INST_H_FILES = \
 
 if ENABLE_EXPERIMENTAL_FEATURES
 INST_H_FILES += \
+	src/mongoc/mongoc-linux-distro-scanner-private.h \
 	src/mongoc/mongoc-metadata.h \
 	src/mongoc/mongoc-metadata-os-private.h \
 	src/mongoc/mongoc-metadata-private.h
@@ -216,6 +217,7 @@ endif
 
 if ENABLE_EXPERIMENTAL_FEATURES
 MONGOC_SOURCES_SHARED += \
+	src/mongoc/mongoc-linux-distro-scanner.c \
 	src/mongoc/mongoc-metadata.c
 endif
 

src/mongoc/mongoc-linux-distro-scanner-private.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2016 MongoDB, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#ifndef MONGOC_LINUX_DISTRO_SCANNER_PRIVATE_H
+#define MONGOC_LINUX_DISTRO_SCANNER_PRIVATE_H
+
+#include "mongoc-metadata-os-private.h"
+
+#ifdef MONGOC_OS_IS_LINUX
+
+BSON_BEGIN_DECLS
+
+bool
+_mongoc_linux_distro_scanner_get_distro                (char **name,
+                                                        char **version);
+
+/* These functions are exposed so we can test them separately. */
+void
+_mongoc_linux_distro_scanner_read_key_value_file       (const char  *path,
+                                                        const char  *name_key,
+                                                        ssize_t      name_key_len,
+                                                        char       **name,
+                                                        const char  *version_key,
+                                                        ssize_t      version_key_len,
+                                                        char       **version);
+void
+_mongoc_linux_distro_scanner_read_generic_release_file (const char **paths,
+                                                        char       **name,
+                                                        char       **version);
+void
+_mongoc_linux_distro_scanner_split_line_by_release     (const char *line,
+                                                        ssize_t     line_len,
+                                                        char       **name,
+                                                        char       **version);
+BSON_END_DECLS
+
+#endif
+
+#endif