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-rw-r--r--server/src/Makefile.am14
-rw-r--r--server/src/macrolist.cc15
-rw-r--r--server/src/server.cc28
-rw-r--r--server/src/templateheaderparser.cc142
-rw-r--r--server/src/templateheaderparser.h62
-rw-r--r--server/src/templatelist.cc167
-rw-r--r--server/src/templatelist.h72
-rw-r--r--server/src/templateparser.cc6
-rw-r--r--server/src/transactionparser.cc4
9 files changed, 486 insertions, 24 deletions
diff --git a/server/src/Makefile.am b/server/src/Makefile.am
index c7a2cfc..5516458 100644
--- a/server/src/Makefile.am
+++ b/server/src/Makefile.am
@@ -28,6 +28,8 @@ pracrod_SOURCES = \
resumeparser.cc \
saxparser.cc \
server.cc \
+ templatelist.cc \
+ templateheaderparser.cc \
templateparser.cc \
transactionparser.cc \
tcpsocket.cc \
@@ -89,6 +91,8 @@ EXTRA_DIST = \
resumeparser.h \
saxparser.h \
server.h \
+ templatelist.h \
+ templateheaderparser.h \
templateparser.h \
transactionparser.h \
tcpsocket.h \
@@ -102,6 +106,7 @@ EXTRA_DIST = \
################
TESTFILES = \
+ test_templatelist \
test_saxparser \
test_transactionparser \
test_versionstr \
@@ -134,6 +139,15 @@ test: $(TESTFILES)
test_clean:
rm -f $(TESTFILES) $(TESTLOGS)
+TEST_TEMPLATELIST_FILES = \
+ templatelist.cc \
+ versionstr.cc \
+ templateheaderparser.cc \
+ $(PARSERFILES) \
+ $(BASICFILES)
+test_templatelist: $(TEST_TEMPLATELIST_FILES)
+ @../../tools/test $(TEST_TEMPLATELIST_FILES) $(PARSERFLAGS) $(BASICFLAGS)
+
TEST_SAXPARSER_FILES = \
saxparser.cc \
$(BASICFILES)
diff --git a/server/src/macrolist.cc b/server/src/macrolist.cc
index e8bc507..0e86a47 100644
--- a/server/src/macrolist.cc
+++ b/server/src/macrolist.cc
@@ -68,6 +68,21 @@ MacroList::MacroList(std::string macropath)
(*this)[macro->attributes["name"]][VersionStr(macro->attributes["version"])] = *i;
i++;
}
+
+ {
+ iterator i = begin();
+ while(i != end()) {
+ MacroListItem::iterator j = i->second.begin();
+ while(j != i->second.end()) {
+ PRACRO_DEBUG(macrolist, "%s - v%s file: %s\n",
+ i->first.c_str(),
+ ((std::string)j->first).c_str(),
+ j->second.c_str());
+ j++;
+ }
+ i++;
+ }
+ }
}
std::string MacroList::getLatestVersion(std::string macro) throw(Exception)
diff --git a/server/src/server.cc b/server/src/server.cc
index 3ddb795..924ad84 100644
--- a/server/src/server.cc
+++ b/server/src/server.cc
@@ -55,6 +55,7 @@
#include "xml_encode_decode.h"
#include "macrolist.h"
+#include "templatelist.h"
#include "versionstr.h"
static std::string error_box(std::string message)
@@ -112,7 +113,8 @@ static std::string handleRequest(Transaction *transaction,
TCPSocket &pentominos_socket,
Database &db,
JournalWriter &journalwriter,
- MacroList &macrolist)
+ MacroList &macrolist,
+ TemplateList &templatelist)
{
std::string answer;
@@ -124,7 +126,7 @@ static std::string handleRequest(Transaction *transaction,
request.macro.c_str(), request.course.c_str());
// Read and parse the template file.
- TemplateParser tp(request.course);
+ TemplateParser tp(templatelist.getLatestVersion(request.course));
tp.parse();
Template *templ = tp.getTemplate();
@@ -254,7 +256,8 @@ static std::string handleTransaction(Transaction *transaction,
TCPSocket &pentominos_socket,
Database &db,
JournalWriter &journalwriter,
- MacroList &macrolist)
+ MacroList &macrolist,
+ TemplateList &templatelist)
{
std::string answer;
answer += "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
@@ -268,7 +271,8 @@ static std::string handleTransaction(Transaction *transaction,
}
try {
- answer += handleRequest(transaction, pentominos_socket, db, journalwriter, macrolist);
+ answer += handleRequest(transaction, pentominos_socket, db, journalwriter,
+ macrolist, templatelist);
} catch( std::exception &e ) {
PRACRO_ERR(server, "Request error: %s\n", e.what());
return error_box(xml_encode(e.what()));
@@ -294,18 +298,7 @@ static void handleConnection(TCPSocket *socket)
JournalWriter journalwriter(Conf::journal_commit_addr.c_str(), Conf::journal_commit_port);
MacroList macrolist(Conf::xml_basedir + "/macros");
- MacroList::iterator i = macrolist.begin();
- while(i != macrolist.end()) {
- MacroListItem::iterator j = i->second.begin();
- while(j != i->second.end()) {
- PRACRO_DEBUG(server, "%s - v%s file: %s\n",
- i->first.c_str(),
- ((std::string)j->first).c_str(),
- j->second.c_str());
- j++;
- }
- i++;
- }
+ TemplateList templatelist(Conf::xml_basedir + "/templates");
ssize_t size;
char buf[4096];
@@ -332,7 +325,8 @@ static void handleConnection(TCPSocket *socket)
if(parser->parse(buf, size)) {
PRACRO_DEBUG(server, "Got complete XML document %d bytes used, %d bytes in current buffer.\n", parser->usedBytes(), size);
- socket->write(handleTransaction(transaction, pentominos_socket, db, journalwriter, macrolist));
+ socket->write(handleTransaction(transaction, pentominos_socket,
+ db, journalwriter, macrolist, templatelist));
size = size - parser->usedBytes();
if(size) {
strcpy(buf, buf + parser->usedBytes());
diff --git a/server/src/templateheaderparser.cc b/server/src/templateheaderparser.cc
new file mode 100644
index 0000000..8b0f162
--- /dev/null
+++ b/server/src/templateheaderparser.cc
@@ -0,0 +1,142 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ * templateheaderparser.cc
+ *
+ * Thu Jul 30 08:53:26 CEST 2009
+ * Copyright 2009 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of Pracro.
+ *
+ * Pracro is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Pracro is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Pracro; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include "templateheaderparser.h"
+
+#include <stdio.h>
+
+// For assert
+#include <assert.h>
+
+// For open and friends
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+// For vprintf and friends
+#include <stdarg.h>
+
+#include <errno.h>
+#include <string.h>
+
+#include "debug.h"
+#include "configuration.h"
+#include "exception.h"
+
+void TemplateHeaderParser::error(const char* fmt, ...)
+{
+ PRACRO_ERR_LOG(templateparser, "Error in TemplateHeaderParser: ");
+
+ {
+ va_list argp;
+ va_start(argp, fmt);
+ PRACRO_ERR_LOG_VA(templateparser, fmt, argp);
+ va_end(argp);
+
+ fprintf(stderr, "\n");
+ }
+
+ {
+ char *p;
+ va_list argp;
+ va_start(argp, fmt);
+ if(vasprintf(&p, fmt, argp) != -1) {
+ throw Exception("Error in TemplateHeaderParser: " + std::string(p));
+ free(p);
+ }
+ va_end(argp);
+ }
+
+}
+
+TemplateHeaderParser::TemplateHeaderParser(std::string templatefile)
+{
+ t = NULL;
+
+ file = templatefile;
+
+ PRACRO_DEBUG(templateparser, "Using template file: %s\n", templatefile.c_str());
+
+ fd = open(templatefile.c_str(), O_RDONLY);
+ if(fd == -1) error("Could not open file %s", templatefile.c_str());
+}
+
+TemplateHeaderParser::~TemplateHeaderParser()
+{
+ if(fd != -1) close(fd);
+ if(t) delete t;
+}
+
+void TemplateHeaderParser::startTag(std::string name, std::map< std::string, std::string> attributes)
+{
+ // Create template and enable parsing of queries, maps and window
+ if(name == "template") {
+ assert(!t); // A Template has already been allocated, cannot create template!
+ t = new Template();
+ t->attributes = attributes;
+ }
+}
+
+int TemplateHeaderParser::readData(char *data, size_t size)
+{
+ if(t) return 0; // If t is allocated, it means that we have parsed the template
+ // tag, and can dismiss the rest of the document.
+
+ if(fd == -1) {
+ PRACRO_ERR_LOG(templateparser, "Invalid file descriptor.\n");
+ return 0;
+ }
+ ssize_t r = read(fd, data, size);
+ if(r == -1) {
+ PRACRO_ERR_LOG(templateparser, "Could not read...%s\n", strerror(errno));
+ return 0;
+ }
+ return r;
+}
+
+void TemplateHeaderParser::parseError(char *buf, size_t len, std::string error, int lineno)
+{
+ if(t) return; // Ignore "unclosed token" errors when the template tag has been parsed.
+
+ PRACRO_ERR_LOG(templateparser, "TemplateHeaderParser[%s] error at line %d: %s\n", file.c_str(), lineno, error.c_str());
+ PRACRO_ERR_LOG(templateparser, "\tBuffer %u bytes: [", len);
+ if(fwrite(buf, len, 1, stderr) != len) {}
+ PRACRO_ERR_LOG(templateparser, "]\n");
+
+ char *slineno;
+ if(asprintf(&slineno, " at line %d\n", lineno) != -1) {
+ throw Exception(error + slineno);
+ free(slineno);
+ }
+
+}
+
+Template *TemplateHeaderParser::getTemplate()
+{
+ return t;
+}
diff --git a/server/src/templateheaderparser.h b/server/src/templateheaderparser.h
new file mode 100644
index 0000000..522f56d
--- /dev/null
+++ b/server/src/templateheaderparser.h
@@ -0,0 +1,62 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ * templateheaderparser.h
+ *
+ * Thu Jul 30 08:53:26 CEST 2009
+ * Copyright 2009 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of Pracro.
+ *
+ * Pracro is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Pracro is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Pracro; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#ifndef __PRACRO_TEMPLATEHEADERPARSER_H__
+#define __PRACRO_TEMPLATEHEADERPARSER_H__
+
+#include "saxparser.h"
+#include "template.h"
+
+class TemplateHeaderParser : public SAXParser {
+public:
+ TemplateHeaderParser(std::string templatefile);
+ ~TemplateHeaderParser();
+
+ void startTag(std::string name, std::map< std::string, std::string> attributes);
+ void parseError(char *buf, size_t len, std::string error, int lineno);
+
+ /**
+ * Get a pointer to the parsed template.
+ * NOTE: The allocated memory for the template is owned by the parser, and will be
+ * freed upon parser deletion.
+ * @return A pointer to the template or NULL on error.
+ */
+ Template *getTemplate();
+
+protected:
+ int readData(char *data, size_t size);
+
+private:
+ int fd;
+ Template *t;
+
+ std::string file;
+ // Error callback function.
+ void error(const char* fmt, ...);
+};
+
+#endif/*__PRACRO_TEMPLATEHEADERPARSER_H__*/
diff --git a/server/src/templatelist.cc b/server/src/templatelist.cc
new file mode 100644
index 0000000..2e6f176
--- /dev/null
+++ b/server/src/templatelist.cc
@@ -0,0 +1,167 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ * templatelist.cc
+ *
+ * Thu Jul 30 08:52:30 CEST 2009
+ * Copyright 2009 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of Pracro.
+ *
+ * Pracro is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Pracro is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Pracro; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include "templatelist.h"
+
+#include <sys/types.h>
+#include <dirent.h>
+
+#include "debug.h"
+#include "templateheaderparser.h"
+
+static std::vector<std::string> listdir(std::string path)
+{
+ std::vector<std::string> files;
+
+ DIR* dir = opendir(path.c_str());
+ if(!dir) {
+ PRACRO_ERR(dump, "Could not open directory: %s\n", path.c_str());
+ return files;
+ }
+
+ struct dirent *d;
+ while((d = readdir(dir)) != 0) {
+ //if(d->d_type == DT_DIR) {
+ std::string name = d->d_name;
+ if(name.length() >= 4 && name.substr(name.length() - 4) == ".xml")
+ files.push_back(name);
+ //}
+ }
+ closedir(dir);
+
+ return files;
+}
+
+TemplateList::TemplateList(std::string templatepath)
+{
+ this->templatepath = templatepath;
+ std::vector<std::string> templates = listdir(templatepath);
+ std::vector<std::string>::iterator i = templates.begin();
+ while(i != templates.end()) {
+ TemplateHeaderParser parser(templatepath + "/" + *i);
+ parser.parse();
+ Template *templ = parser.getTemplate();
+ (*this)[templ->attributes["name"]][VersionStr(templ->attributes["version"])] = *i;
+ i++;
+ }
+
+ {
+ iterator i = begin();
+ while(i != end()) {
+ TemplateListItem::iterator j = i->second.begin();
+ while(j != i->second.end()) {
+ PRACRO_DEBUG(templatelist, "%s - v%s file: %s\n",
+ i->first.c_str(),
+ ((std::string)j->first).c_str(),
+ j->second.c_str());
+ j++;
+ }
+ i++;
+ }
+ }
+
+}
+
+std::string TemplateList::getLatestVersion(std::string templ) throw(Exception)
+{
+ if(find(templ) == end()) throw Exception("Template ["+templ+"] does not exist");
+ TemplateListItem mli = (*this)[templ];
+ if(mli.size() == 0) return "";
+ PRACRO_DEBUG(templatelist, "Search for %s - found %s v%s\n",
+ templ.c_str(),
+ (templatepath + "/" + mli.begin()->second).c_str(),
+ ((std::string)mli.begin()->first).c_str());
+ return templatepath + "/" + mli.begin()->second;
+}
+
+#ifdef TEST_TEMPLATELIST
+
+#define TEMPLATEDIR "/home" // We assume this directory exists and does not contain any xml files!
+
+int main()
+{
+ // Test sorting
+ TemplateList lst(TEMPLATEDIR);
+
+ lst["template1"][VersionStr("1.0")] = "template1-1.0.xml";
+ lst["template1"][VersionStr("1.1")] = "template1-1.1.xml";
+ lst["template1"][VersionStr("1.1.1")] = "template1-1.1.1.xml";
+ lst["template1"][VersionStr("1.2")] = "template1-1.2.xml";
+ lst["template2"][VersionStr("1.0")] = "template2.xml";
+ lst["template3"][VersionStr("1.0")] = "template3.xml";
+
+ std::vector<std::string> refs;
+ refs.push_back("template1-1.2.xml");
+ refs.push_back("template1-1.1.1.xml");
+ refs.push_back("template1-1.1.xml");
+ refs.push_back("template1-1.0.xml");
+ refs.push_back("template2.xml");
+ refs.push_back("template3.xml");
+
+ TemplateList::iterator i = lst.begin();
+ std::vector<std::string>::iterator k = refs.begin();
+ while(i != lst.end()) {
+ TemplateListItem::iterator j = i->second.begin();
+ while(j != i->second.end()) {
+ printf("%s - v%s file: %s - should be %s\n",
+ i->first.c_str(),
+ ((std::string)j->first).c_str(),
+ j->second.c_str(),
+ k->c_str());
+ if(j->second != *k) return 1;
+ j++; k++;
+ }
+ i++;
+ }
+
+ // Test lookup of latest versions.
+ std::string m1 = lst.getLatestVersion("template1");
+ printf("Latest template1: %s\n", m1.c_str());
+ if(m1 != TEMPLATEDIR"/template1-1.2.xml") return 1;
+
+ std::string m2 = lst.getLatestVersion("template2");
+ printf("Latest template2: %s\n", m2.c_str());
+ if(m2 != TEMPLATEDIR"/template2.xml") return 1;
+
+ std::string m3 = lst.getLatestVersion("template3");
+ printf("Latest template3: %s\n", m3.c_str());
+ if(m3 != TEMPLATEDIR"/template3.xml") return 1;
+
+ // Look for non existing template (this should throw an exception)
+ try {
+ std::string m4 = lst.getLatestVersion("template4");
+ } catch(Exception &e) {
+ printf("ERROR: %s\n", e.what());
+ goto onandon;
+ }
+ return 1;
+ onandon:
+
+ return 0;
+}
+
+#endif/*TEST_TEMPLATELIST*/
diff --git a/server/src/templatelist.h b/server/src/templatelist.h
new file mode 100644
index 0000000..bcf22f1
--- /dev/null
+++ b/server/src/templatelist.h
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ * templatelist.h
+ *
+ * Thu Jul 30 08:52:30 CEST 2009
+ * Copyright 2009 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of Pracro.
+ *
+ * Pracro is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Pracro is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Pracro; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#ifndef __PRACRO_TEMPLATELIST_H__
+#define __PRACRO_TEMPLATELIST_H__
+
+#include <map>
+#include <string>
+#include "versionstr.h"
+
+#include "exception.h"
+
+/**
+ * The Items contained in the TemplateList.
+ */
+typedef std::map<VersionStr, std::string> TemplateListItem;
+
+/**
+ * The TemplateList class is intended for template file caching, so that all templates
+ * do not need to be parsed on each template query.
+ * It builds a list of templates and versions based on the informations read from
+ * the TemplateHeaderParser.
+ * This means that just because a template gets into the list doesn't means that it
+ * will validate as a correct template (not even nessecarily correct XML).
+ */
+class TemplateList : public std::map<std::string, TemplateListItem > {
+public:
+ /**
+ * Constructor.
+ * @param templatepath A std::string containing the path in which we should look
+ * for xml files.
+ */
+ TemplateList(std::string templatepath);
+
+ /**
+ * Convenience method, to gain the filename of the latest version of a given template.
+ * This method throws an Exception if the template does not exist in the tree.
+ * @param template A std::string containing the name of the wanted template.
+ * @return A std::string containing the file containing the template with full path
+ * included.
+ */
+ std::string getLatestVersion(std::string templ) throw(Exception);
+
+private:
+ std::string templatepath;
+};
+
+#endif/*__PRACRO_TEMPLATELIST_H__*/
diff --git a/server/src/templateparser.cc b/server/src/templateparser.cc
index 49cc29d..8ddf6d2 100644
--- a/server/src/templateparser.cc
+++ b/server/src/templateparser.cc
@@ -57,13 +57,13 @@ void TemplateParser::error(const char* fmt, ...)
free(p);
}
-TemplateParser::TemplateParser(std::string course)
+TemplateParser::TemplateParser(std::string templatefile)
{
state = UNDEFINED;
t = new Template();
current_macro = NULL;
- file = Conf::xml_basedir + "/templates/" + course + ".xml";
+ file = templatefile;//Conf::xml_basedir + "/templates/" + course + ".xml";
PRACRO_DEBUG(macro, "Using template file: %s\n", file.c_str());
@@ -168,7 +168,7 @@ int main()
Conf::xml_basedir = "../xml/";
try {
- TemplateParser parser("example");
+ TemplateParser parser("../xml/templates/example.xml");
parser.parse();
Template *t = parser.getTemplate();
diff --git a/server/src/transactionparser.cc b/server/src/transactionparser.cc
index 08c0a42..3135929 100644
--- a/server/src/transactionparser.cc
+++ b/server/src/transactionparser.cc
@@ -68,10 +68,6 @@ TransactionParser::TransactionParser(Transaction *transaction)
totalbytes = 0;
}
-TransactionParser::~TransactionParser()
-{
-}
-
void TransactionParser::startTag(std::string name, std::map< std::string, std::string> attributes)
{
if(name == "pracro") {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 18:05:42 +0000