diff options
-rw-r--r-- | src/mtrie.cpp | 41 | ||||
-rw-r--r-- | src/mtrie.hpp | 2 |
2 files changed, 32 insertions, 11 deletions
diff --git a/src/mtrie.cpp b/src/mtrie.cpp index 27adb08..3fc69f5 100644 --- a/src/mtrie.cpp +++ b/src/mtrie.cpp @@ -34,6 +34,7 @@ #include "mtrie.hpp" xs::mtrie_t::mtrie_t () : + pipes (0), min (0), count (0), live_nodes (0) @@ -42,6 +43,11 @@ xs::mtrie_t::mtrie_t () : xs::mtrie_t::~mtrie_t () { + if (pipes) { + delete pipes; + pipes = 0; + } + if (count == 1) { xs_assert (next.node); delete next.node; @@ -65,8 +71,12 @@ bool xs::mtrie_t::add_helper (unsigned char *prefix_, size_t size_, { // We are at the node corresponding to the prefix. We are done. if (!size_) { - bool result = pipes.empty (); - pipes.insert (pipe_); + bool result = !pipes; + if (!pipes) { + pipes = new (std::nothrow) pipes_t; + alloc_assert (pipes); + } + pipes->insert (pipe_); return result; } @@ -154,8 +164,11 @@ void xs::mtrie_t::rm_helper (pipe_t *pipe_, unsigned char **buff_, void *arg_) { // Remove the subscription from this node. - if (pipes.erase (pipe_) && pipes.empty ()) + if (pipes && pipes->erase (pipe_) && pipes->empty ()) { func_ (*buff_, buffsize_, arg_); + delete pipes; + pipes = 0; + } // Adjust the buffer. if (buffsize_ >= maxbuffsize_) { @@ -207,9 +220,15 @@ bool xs::mtrie_t::rm_helper (unsigned char *prefix_, size_t size_, pipe_t *pipe_) { if (!size_) { - pipes_t::size_type erased = pipes.erase (pipe_); - xs_assert (erased == 1); - return pipes.empty (); + if (pipes) { + pipes_t::size_type erased = pipes->erase (pipe_); + xs_assert (erased == 1); + if (pipes->empty ()) { + delete pipes; + pipes = 0; + } + } + return !pipes; } unsigned char c = *prefix_; @@ -245,9 +264,11 @@ void xs::mtrie_t::match (unsigned char *data_, size_t size_, while (true) { // Signal the pipes attached to this node. - for (pipes_t::iterator it = current->pipes.begin (); - it != current->pipes.end (); ++it) - func_ (*it, arg_); + if (current->pipes) { + for (pipes_t::iterator it = current->pipes->begin (); + it != current->pipes->end (); ++it) + func_ (*it, arg_); + } // If we are at the end of the message, there's nothing more to match. if (!size_) @@ -281,6 +302,6 @@ void xs::mtrie_t::match (unsigned char *data_, size_t size_, bool xs::mtrie_t::is_redundant () const { - return pipes.empty () && live_nodes == 0; + return !pipes && live_nodes == 0; } diff --git a/src/mtrie.hpp b/src/mtrie.hpp index 45426ae..9545ae4 100644 --- a/src/mtrie.hpp +++ b/src/mtrie.hpp @@ -73,7 +73,7 @@ namespace xs bool is_redundant () const; typedef std::set <xs::pipe_t*> pipes_t; - pipes_t pipes; + pipes_t *pipes; unsigned char min; unsigned short count; |