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authorFlorent Le Coz <louiz@louiz.org>2014-05-30 13:39:00 +0200
committerFlorent Le Coz <louiz@louiz.org>2014-05-30 13:39:00 +0200
commita63faf6fa95017dbbfeaf0ff43fdb526c4ae7068 (patch)
tree42ee1836e80d6bbbc9cb2b2cff2b39116320c7da
parent8eb9e535a3514a7d9254819f499dcb169c56b51e (diff)
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Use libuuid to generate unique IDs for iq and adhoc sessions
-rw-r--r--CMakeLists.txt5
-rw-r--r--cmake/Modules/FindLibuuid.cmake41
-rw-r--r--src/test.cpp11
-rw-r--r--src/xmpp/xmpp_component.cpp10
-rw-r--r--src/xmpp/xmpp_component.hpp2
5 files changed, 60 insertions, 9 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1589399..90b5432 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,7 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
include(FindEXPAT)
find_package(EXPAT REQUIRED)
find_package(Iconv REQUIRED)
+find_package(Libuuid REQUIRED)
find_package(Libidn)
find_package(SystemdDaemon)
@@ -26,6 +27,7 @@ include_directories("${CMAKE_CURRENT_SOURCE_DIR}/src/")
include_directories("${CMAKE_CURRENT_BINARY_DIR}/src/")
include_directories(${EXPAT_INCLUDE_DIRS})
include_directories(${ICONV_INCLUDE_DIRS})
+include_directories(${LIBUUID_INCLUDE_DIRS})
if(LIBIDN_FOUND)
include_directories(${LIBIDN_INCLUDE_DIRS})
@@ -109,7 +111,8 @@ file(GLOB source_xmpp
src/xmpp/*.[hc]pp)
add_library(xmpp STATIC ${source_xmpp})
target_link_libraries(xmpp bridge network utils logger
- ${EXPAT_LIBRARIES})
+ ${EXPAT_LIBRARIES}
+ ${LIBUUID_LIBRARIES})
if(LIBIDN_FOUND)
target_link_libraries(xmpp ${LIBIDN_LIBRARIES})
endif()
diff --git a/cmake/Modules/FindLibuuid.cmake b/cmake/Modules/FindLibuuid.cmake
new file mode 100644
index 0000000..25b330b
--- /dev/null
+++ b/cmake/Modules/FindLibuuid.cmake
@@ -0,0 +1,41 @@
+# - Find libuuid
+# Find the libuuid library
+#
+# This module defines the following variables:
+# LIBUUID_FOUND - True if library and include directory are found
+# If set to TRUE, the following are also defined:
+# LIBUUID_INCLUDE_DIRS - The directory where to find the header file
+# LIBUUID_LIBRARIES - Where to find the library file
+#
+# For conveniance, these variables are also set. They have the same values
+# than the variables above. The user can thus choose his/her prefered way
+# to write them.
+# LIBUUID_INCLUDE_DIR
+# LIBUUID_LIBRARY
+#
+# This file is in the public domain
+
+include(FindPkgConfig)
+pkg_check_modules(LIBUUID uuid)
+
+if(NOT LIBUUID_FOUND)
+ find_path(LIBUUID_INCLUDE_DIRS NAMES uuid.h
+ PATH uuid
+ DOC "The libuuid include directory")
+
+ find_library(LIBUUID_LIBRARIES NAMES uuid
+ DOC "The libuuid library")
+
+ # Use some standard module to handle the QUIETLY and REQUIRED arguments, and
+ # set LIBUUID_FOUND to TRUE if these two variables are set.
+ include(FindPackageHandleStandardArgs)
+ find_package_handle_standard_args(LIBUUID REQUIRED_VARS LIBUUID_LIBRARIES LIBUUID_INCLUDE_DIRS)
+
+ # Compatibility for all the ways of writing these variables
+ if(LIBUUID_FOUND)
+ set(LIBUUID_INCLUDE_DIR ${LIBUUID_INCLUDE_DIRS})
+ set(LIBUUID_LIBRARY ${LIBUUID_LIBRARIES})
+ endif()
+endif()
+
+mark_as_advanced(LIBUUID_INCLUDE_DIRS LIBUUID_LIBRARIES)
diff --git a/src/test.cpp b/src/test.cpp
index 8fe739c..ac14377 100644
--- a/src/test.cpp
+++ b/src/test.cpp
@@ -121,9 +121,14 @@ int main()
/**
* Id generation
*/
- assert(XmppComponent::next_id() == "0");
- assert(XmppComponent::next_id() == "1");
- assert(XmppComponent::next_id() == "2");
+ std::cout << color << "Testing id generation…" << reset << std::endl;
+ const std::string first_uuid = XmppComponent::next_id();
+ const std::string second_uuid = XmppComponent::next_id();
+ std::cout << first_uuid << std::endl;
+ std::cout << second_uuid << std::endl;
+ assert(first_uuid.size() == 36);
+ assert(second_uuid.size() == 36);
+ assert(first_uuid != second_uuid);
/**
* Utils
diff --git a/src/xmpp/xmpp_component.cpp b/src/xmpp/xmpp_component.cpp
index 4c62aa7..9547e3a 100644
--- a/src/xmpp/xmpp_component.cpp
+++ b/src/xmpp/xmpp_component.cpp
@@ -13,14 +13,14 @@
#include <config.h>
+#include <uuid.h>
+
#ifdef SYSTEMDDAEMON_FOUND
# include <systemd/sd-daemon.h>
#endif
using namespace std::string_literals;
-unsigned long XmppComponent::current_id = 0;
-
static std::set<std::string> kickable_errors{
"gone",
"internal-server-error",
@@ -934,5 +934,9 @@ void XmppComponent::send_iq_version_request(const std::string& from,
std::string XmppComponent::next_id()
{
- return std::to_string(XmppComponent::current_id++);
+ char uuid_str[37];
+ uuid_t uuid;
+ uuid_generate(uuid);
+ uuid_unparse(uuid, uuid_str);
+ return uuid_str;
}
diff --git a/src/xmpp/xmpp_component.hpp b/src/xmpp/xmpp_component.hpp
index b234d76..e3e24e0 100644
--- a/src/xmpp/xmpp_component.hpp
+++ b/src/xmpp/xmpp_component.hpp
@@ -235,8 +235,6 @@ private:
*/
std::unordered_map<std::string, std::unique_ptr<Bridge>> bridges;
- static unsigned long current_id;
-
AdhocCommandsHandler adhoc_commands_handler;
XmppComponent(const XmppComponent&) = delete;
XmppComponent(XmppComponent&&) = delete;