Updated Branches: refs/heads/master e2aff41f8 -> 41f1c2e14
Drop in libloader code. Necessary build and docs to follow. Project: http://git-wip-us.apache.org/repos/asf/trafficserver/repo Commit: http://git-wip-us.apache.org/repos/asf/trafficserver/commit/5654cf4c Tree: http://git-wip-us.apache.org/repos/asf/trafficserver/tree/5654cf4c Diff: http://git-wip-us.apache.org/repos/asf/trafficserver/diff/5654cf4c Branch: refs/heads/master Commit: 5654cf4c4b22e0c81d56f1b8d0afeafaed8a8133 Parents: eabab3e Author: niq <n...@apache.org> Authored: Sat Apr 6 00:32:59 2013 +0100 Committer: niq <n...@apache.org> Committed: Sat Apr 6 00:32:59 2013 +0100 ---------------------------------------------------------------------- plugins/libloader/libloader.c | 85 ++++++++++++++++++++++++++++++++++++ 1 files changed, 85 insertions(+), 0 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/trafficserver/blob/5654cf4c/plugins/libloader/libloader.c ---------------------------------------------------------------------- diff --git a/plugins/libloader/libloader.c b/plugins/libloader/libloader.c new file mode 100644 index 0000000..ef84c2f --- /dev/null +++ b/plugins/libloader/libloader.c @@ -0,0 +1,85 @@ +/***************************************************************************** + * Copyright (C) 2011-13 Qualys, Inc + * Copyright (C) 2013 The Apache Software Foundation + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * QUALYS licenses this file to You 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. + ****************************************************************************/ + +/* libloader: load libraries, making all symbols exported + * universally visible. Equivalent to LoadFile in HTTPD. + * + * Written for ironbee plugin, whose module architecture + * is not compatible with trafficserver's plugins. + * May be useful for other plugins with non-trivial + * library dependencies. + */ + +#include <dlfcn.h> +#include <stdio.h> +#include <stdlib.h> +#include <ts/ts.h> + +typedef struct { + void *handle; + void *next; +} link_handle; + +static link_handle *libs = NULL; + +static void unloadlibs(void) +{ + link_handle *p = libs; + while (p != NULL) { + link_handle *next = p->next; + dlclose(p->handle); + TSfree(p); + p = next; + } + libs = NULL; +} + +void TSPluginInit(int argc, const char *argv[]) +{ + int i; + TSPluginRegistrationInfo info; + + info.plugin_name = (char *)"libloader"; + info.vendor_name = (char *)"Apache Software Foundation"; + info.support_email = (char *)"us...@trafficserver.apache.org"; + + if (TSPluginRegister(TS_SDK_VERSION_3_0, &info) != TS_SUCCESS) { + TSError("[libloader] Plugin registration failed.\n"); + return; + } + + atexit(unloadlibs); + + for (i = 1; i < argc; ++i) { + const char *lib = argv[i]; + void *handle = dlopen(lib, RTLD_GLOBAL|RTLD_NOW); + if (handle) { + link_handle *l = TSmalloc(sizeof(link_handle)); + l->handle = handle; + l->next = libs; + libs = l; + TSDebug("libloader", " loaded %s\n", lib); + } + else { + TSError("[libloader] failed to load %s: %s\n", lib, dlerror()); + } + } + return; +}
