From 5cb799a703be14925b5e99162461e68ba7a81a56 Mon Sep 17 00:00:00 2001
From: Fabian Posch <fabian@posch.tech>
Date: Mon, 8 Jan 2024 14:12:34 -0500
Subject: [PATCH] add shared library for main functionality

---
 CMakeLists.txt                        |  1 +
 include/actsim_agent/actsim_agent.hpp | 32 +++++++++++++++++++++++++++
 src/CMakeLists.txt                    |  7 ++----
 src/actsim_agent/CMakeLists.txt       | 13 +++++++++++
 src/actsim_agent/actsim_agent.cpp     | 31 ++++++++++++++++++++++++++
 src/main.cpp                          |  5 ++++-
 6 files changed, 83 insertions(+), 6 deletions(-)
 create mode 100644 include/actsim_agent/actsim_agent.hpp
 create mode 100644 src/actsim_agent/CMakeLists.txt
 create mode 100644 src/actsim_agent/actsim_agent.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7aa09b..05cd677 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -77,6 +77,7 @@ target_link_libraries(
         ${PROJECT_NAME}
 #        act-deploy-commands
         act-deploy-db-lib
+        actsim-agent-lib
 #        act-deploy-pipeline-modules-lib
 #        act-deploy-test-gen-modules-lib
 #        yaml-cpp
diff --git a/include/actsim_agent/actsim_agent.hpp b/include/actsim_agent/actsim_agent.hpp
new file mode 100644
index 0000000..8201090
--- /dev/null
+++ b/include/actsim_agent/actsim_agent.hpp
@@ -0,0 +1,32 @@
+/*************************************************************************
+ *
+ *  This file is part of the ACT library
+ *
+ *  Copyright (c) 2024 Fabian Posch
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ *
+ **************************************************************************
+ */
+
+#ifndef __ACTSIM_AGENT__
+#define __ACTSIM_AGENT__
+
+#include "db_types.hpp"
+
+int start_agent(db::db_credentials_t db_cred, size_t worker_processes);
+
+#endif
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5a3b04e..2ff8d25 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,14 +2,11 @@
 # Grab necessary libraries from ACT_HOME
 #include_directories($ENV{ACT_HOME}/include)
 include_directories(../include)
-#include_directories(../include/commands)
 include_directories(../include/db_lib)
+include_directories(../include/actsim_agent)
 
 add_subdirectory(db_lib)
-#add_subdirectory(pipeline_lib)
-#add_subdirectory(pipeline_modules)
-#add_subdirectory(testcase_generators)
-#add_subdirectory(commands)
+add_subdirectory(actsim_agent)
 
 file(
     GLOB proj_SRC
diff --git a/src/actsim_agent/CMakeLists.txt b/src/actsim_agent/CMakeLists.txt
new file mode 100644
index 0000000..20fe9ea
--- /dev/null
+++ b/src/actsim_agent/CMakeLists.txt
@@ -0,0 +1,13 @@
+include_directories(../../include/db_lib)
+include_directories(../../include/actsim_agent)
+
+file(
+    GLOB actsim_agent_SRC
+    "*.cpp"
+)
+
+add_library(
+    actsim-agent-lib   
+    SHARED
+    ${actsim_agent_SRC}
+)
\ No newline at end of file
diff --git a/src/actsim_agent/actsim_agent.cpp b/src/actsim_agent/actsim_agent.cpp
new file mode 100644
index 0000000..4618cc9
--- /dev/null
+++ b/src/actsim_agent/actsim_agent.cpp
@@ -0,0 +1,31 @@
+/*************************************************************************
+ *
+ *  This file is part of the ACT library
+ *
+ *  Copyright (c) 2024 Fabian Posch
+ *
+ *  This program 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.
+ *
+ *  This program 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ *
+ **************************************************************************
+ */
+
+#include <iostream>
+#include "actsim_agent.hpp"
+
+int start_agent(db::db_credentials_t db_cred, size_t worker_processes) {
+    std::cout << "Hello world from the agent." << std::endl;
+    return 0;
+}
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index ed92897..cb07653 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -25,6 +25,7 @@
 #include <iostream>
 #include <getopt.h>
 #include <thread>
+#include <actsim_agent.hpp>
 #include "cli_util.hpp"
 #include "db_types.hpp"
 #include "util.h"
@@ -157,6 +158,8 @@ int main (int argc, char **argv) {
         exit(1);
     }
 
-    std::cout << "Hello world!" << std::endl;
+    DEBUG_PRINT("Starting actsim agent with " + std::to_string(jobs) + " worker threads.");
+
+    return start_agent(db_cred, jobs);
 
 }