Add code template and basic facilities

.gitignore

@@ -50,3 +50,9 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+
+# Compilations database
+compile_commands.json
+
+# clangd index
+.clangd/

.gitpod.Dockerfile

@@ -0,0 +1,7 @@
+FROM gitpod/workspace-full
+
+USER gitpod
+
+RUN sudo apt-get -q update && \
+    sudo apt-get install -yq autoconf automake libcurl4-openssl-dev bear && \
+    sudo rm -rf /var/lib/apt/lists/*

.gitpod.yml

@@ -0,0 +1,7 @@
+tasks:
+- init: >-
+    export ZABBIX_SOURCE="/workspace/zabbix" &&
+    git clone https://git.zabbix.com/scm/zbx/zabbix.git --depth 1 "$ZABBIX_SOURCE" &&
+    bear make
+image:
+  file: .gitpod.Dockerfile

.travis.yml

@@ -0,0 +1,14 @@
+language: c
+compiler:
+- clang
+- gcc
+dist: xenial
+env:
+- BRANCH=master
+- BRANCH=release/5.4
+- BRANCH=release/5.0
+- BRANCH=release/4.0
+before_script:
+- git clone https://git.zabbix.com/scm/zbx/zabbix.git --depth 1 --single-branch --branch $BRANCH
+script:
+- ZABBIX_SOURCE=zabbix CFLAGS='-Wall -Wextra -Wpedantic -g -O2' make

.vscode/settings.json

@@ -0,0 +1,9 @@
+{
+  "files.associations": {
+    ".h": "c"
+  },
+  "[c]": {
+    "editor.insertSpaces": false,
+    "editor.tabSize": 8
+  }
+}

Makefile

@@ -0,0 +1,10 @@
+CFLAGS:=-fPIC -I$(ZABBIX_SOURCE)/include $(CFLAGS)
+OBJECTS:=$(patsubst %.c,%.o,$(wildcard src/*.c))
+
+sheepskin.so: $(OBJECTS)
+	$(CC) $(OBJECTS) $(LDFLAGS) $(LIBS) `curl-config --libs` -shared -o $@
+
+all: sheepskin.so
+
+clean:
+	rm -rf $(OBJECTS) sheepskin.so

src/sheepskin.c

@@ -0,0 +1,62 @@
+#include <stdint.h>
+#include <stdlib.h>
+
+#include <curl/curl.h>
+
+#include "module.h"
+
+int	sheep_item_timeout;
+
+int	zbx_module_api_version(void)
+{
+	return ZBX_MODULE_API_VERSION;
+}
+
+void	zbx_module_item_timeout(int timeout)
+{
+	sheep_item_timeout = timeout;
+}
+
+int	zbx_module_init(void)
+{
+	int		ret = ZBX_MODULE_OK;
+
+	printf("Initializing \"sheepskin\" module...\n");
+
+	/* TODO */
+
+	if (ZBX_MODULE_OK == ret)
+		printf("Module \"sheepskin\" has been successfully initialized.\n");
+
+	return ret;
+}
+
+int	zbx_module_uninit(void)
+{
+	printf("Uninitializing \"sheepskin\" module...\n");
+
+	/* TODO */
+
+	printf("Module \"sheepskin\" has been successfully uninitialized.\n");
+
+	return ZBX_MODULE_OK;
+}
+
+static int	sheep_web_certificate_get(AGENT_REQUEST *request, AGENT_RESULT *result)
+{
+	/* TODO */
+	SET_MSG_RESULT(result, NULL);
+	return SYSINFO_RET_FAIL;
+}
+
+ZBX_METRIC	*zbx_module_item_list(void)
+{
+	static ZBX_METRIC	keys[] =
+	/*	KEY			FLAG		FUNCTION			TEST PARAMETERS */
+	{
+		{"web.certificate.get",	CF_HAVEPARAMS,	sheep_web_certificate_get,	"https://www.zabbix.com"},
+		{NULL}
+	};
+
+	return keys;
+}