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#include <sys/types.h>
#include <dirent.h>
#include <getopt.h>
#include <iostream>
#include <memory>
#include <fstream>
#include <cassert>
#include <set>
using namespace std;
#include <konforka/util.h>
#include "sitecing/sitecing_util.h"
#include "sitecing/util.h"
#include "sitecing/sitespace.h"
#include "sitecing/sitecing_interface_cgi.h"
#include "sitecing/cgi_component.h"
#include "sitecing/configuration.h"
#include "sitecing/magic.h"
#include "sitecing/sitecing_exception.h"
#include "sitecing/exception.h"
using namespace sitecing;
#include "config.h"
#define PHEADER PACKAGE "-build Version " VERSION
#define PCOPY "Copyright (c) 2004 Klever Group"
static sitespace* site_space = NULL;
typedef pair<dev_t,ino_t> the_inode_t;
set<the_inode_t> built_inodes;
void build_component(const string& component) {
assert(site_space);
cerr << "Building " << component << endl;
try {
site_space->factory.make(site_space->config.root_so+component+".so");
}catch(compile_error& ce) {
ce.see(CODEPOINT);
ifstream err((site_space->config.root_intermediate+ce.component_path+".stderr").c_str(),ios::in);
if(err) {
cerr << err.rdbuf();
}
throw;
}catch(preprocessor_error& pe) {
pe.see(CODEPOINT);
cerr << site_space->config.root_source << pe.component_name << ":" << pe.line_number << ":" << pe.what() << endl;
throw;
}
}
void build_imports(const string& component);
void build_with_imports(const string& component) {
assert(site_space);
struct stat st;
string cp = site_space->config.root_source+component;
if(!lstat(cp.c_str(),&st)) {
if(built_inodes.find(the_inode_t(st.st_dev,st.st_ino))!=built_inodes.end())
return;
built_inodes.insert(the_inode_t(st.st_dev,st.st_ino));
}
build_component(component);
build_imports(component);
}
void build_imports(const string& component) {
assert(site_space);
ifstream ifs((site_space->config.root_intermediate+component+".imports").c_str(),ios::in);
cerr << "Building components imported by " << component << endl;
if(ifs) {
string import;
while(!ifs.eof()) {
ifs >> import;
if(!import.empty())
build_with_imports(import);
}
}
}
void build_http_status_handlers(const string& target) {
assert(site_space);
set<string> stop_list;
string t = "/";
t += konforka::normalize_path(target,konforka::strip_leading_slash);
for(;;) {
if(t[t.length()-1]=='/') {
loaded_options* lo = site_space->config.lookup_loaded_options(t);
if( lo && (lo->flags&config_options::flag_http_status_handlers) ) {
for(config_options::http_status_handlers_t::const_iterator i=lo->http_status_handlers.begin();i!=lo->http_status_handlers.end();++i) {
if(stop_list.find(i->first)==stop_list.end()) {
build_with_imports(i->second);
stop_list.insert(i->first);
}
}
}
}
configuration::specs_t::iterator i=site_space->config.specs.find(t);
if( i!=site_space->config.specs.end() && (i->second.flags&config_options::flag_http_status_handlers) ) {
for(config_options::http_status_handlers_t::const_iterator ii=i->second.http_status_handlers.begin();ii!=i->second.http_status_handlers.end();++i) {
if(stop_list.find(ii->first)==stop_list.end()) {
build_with_imports(ii->second);
stop_list.insert(ii->first);
}
}
}
if(t.empty())
return;
string::size_type sl=t.rfind('/');
if(sl==string::npos) {
t.erase();
}else{
if(sl==(t.length()-1))
t.erase(sl);
else
t.erase(sl+1);
}
}
}
void build_target(const string& target) {
assert(site_space);
string action = target;
config_options::action_handler_t *ah = site_space->config.lookup_action_handler(target);
if(ah)
action = ah->action;
build_with_imports(action);
}
void build(const string& target) {
assert(site_space);
build_http_status_handlers(target);
config_options *co_exception_handler = site_space->config.lookup_config(target,config_options::flag_exception_handler);
if(co_exception_handler) {
string handler = co_exception_handler->exception_handler;
build_with_imports(handler);
}
string target_source = site_space->config.root_source+target;
struct stat st;
if(stat(target_source.c_str(),&st))
throw konforka::exception(CODEPOINT,"failed to stat() target");
if(S_ISREG(st.st_mode)) {
build_target(target);
}else if(S_ISDIR(st.st_mode)) {
build_http_status_handlers(target);
DIR *d=opendir(target_source.c_str());
if(!d)
throw konforka::exception(CODEPOINT,"failed to opendir()");
for(struct dirent *de=readdir(d);de;de=readdir(d)) {
if(!strcmp(de->d_name,"."))
continue;
if(!strcmp(de->d_name,".."))
continue;
string subtarget = konforka::normalize_path(target+"/"+de->d_name);
struct stat sts;
if(stat((site_space->config.root_source+subtarget).c_str(),&sts))
throw konforka::exception(CODEPOINT,"failed to stat() subtarget");
if(S_ISDIR(sts.st_mode)) {
build(subtarget);
}else{
if(site_space->config.match_autobuild_files(target,de->d_name)){
build_target(subtarget);
}
}
}
closedir(d);
}
}
int main(int argc,char **argv) {
try {
string config_file = "sitecing.conf";
while(true) {
static struct option opts[] = {
{ "help", no_argument, 0, 'h' },
{ "usage", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'V' },
{ "license", no_argument, 0, 'L' },
{ "config", required_argument, 0, 'f' },
{ NULL, 0, 0, 0 }
};
int c = getopt_long(argc,argv,"f:hVL",opts,NULL);
if(c==-1)
break;
switch(c) {
case 'h':
cerr << PHEADER << endl
<< PCOPY << endl << endl
<< " -h, --help" << endl
<< " --usage display this text" << endl
<< " -V, --version display version number" << endl
<< " -L, --license show license" << endl
<< " -f filename, --config=filename" << endl
<< " specify configuration file to use" << endl;
exit(0);
break;
case 'V':
cerr << VERSION << endl;
exit(0);
break;
case 'L':
extern const char *COPYING;
cerr << COPYING << endl;
exit(0);
break;
case 'f':
config_file = optarg;
break;
default:
cerr << "Huh??" << endl;
break;
}
}
configuration config(config_file,true);
if(!(config.flags&configuration::flag_root_source))
throw konforka::exception(CODEPOINT,"Unspecified root for sources");
if(!(config.flags&configuration::flag_root_intermediate))
throw konforka::exception(CODEPOINT,"Unspecified root for intermediate files");
if(!(config.flags&configuration::flag_root_so))
throw konforka::exception(CODEPOINT,"Unspecified root for shared objects");
sitespace ss(config);
site_space = &ss;
if(optind<argc) {
for(int narg=optind;narg<argc;narg++) {
const char *arg = argv[narg];
build(arg);
}
}else
build("/");
return 0;
}catch(exception& e) {
cerr << "Oops: " << e.what() << endl;
return 1;
}
}
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