add: GitHub actions building

This commit adds GitHub actions "build.yml" file to pre-build FrequenC.

.github/workflows/build.yml

@@ -0,0 +1,29 @@
+name: Build FrequenC
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v2
+
+    - name: Install Dependencies
+      run: sudo apt-get install -y libssl-dev clang make
+
+    - name: Build
+      env:
+        GITHUB_SHA: ${{ github.sha }}
+        GITHUB_BRANCH: ${{ github.ref_name }}
+      run: CFLAGS="-Ofast -fno-signed-zeros -fno-trapping-math -funroll-loops" make
+
+    - name: Archive Build
+      uses: actions/upload-artifact@v2
+      with:
+        name: build-artifact
+        path: FrequenC

Makefile

@@ -13,13 +13,17 @@ ALLOW_UNSECURE_RANDOM = 0
 # Development
 HARDCODED_SESSION_ID = 0
 
+# Github Actions
+GITHUB_SHA ?= "unknown"
+GITHUB_BRANCH ?= "unknown"
+
 SRC_DIR = lib external sources
 OBJ_DIR = obj
 
 CVERSION = -std=c99
-CFLAGS ?= -Ofast -march=native -fno-signed-zeros -fno-trapping-math -funroll-loops  
+CFLAGS ?= -Ofast -march=native -fno-signed-zeros -fno-trapping-math -funroll-loops
 LDFLAGS ?= -Iinclude -Iexternal -Isources -pthread
-OPTIONS = -DPORT=$(PORT) -DAUTHORIZATION=\"$(AUTHORIZATION)\" -DALLOW_UNSECURE_RANDOM=$(ALLOW_UNSECURE_RANDOM) $(if $(CSOCKET_SECURE),-lssl -lcrypto -DCSOCKET_SECURE -DCSOCKET_KEY=\"$(CSOCKET_KEY)\" -DCSOCKET_CERT=\"$(CSOCKET_CERT)\",) $(if $(TCPLIMITS_EXPERIMENTAL_SAVE_MEMORY),-DTCPLIMITS_EXPERIMENTAL_SAVE_MEMORY,) -DHARDCODED_SESSION_ID=$(HARDCODED_SESSION_ID)
+OPTIONS = -DPORT=$(PORT) -DAUTHORIZATION=\"$(AUTHORIZATION)\" -DALLOW_UNSECURE_RANDOM=$(ALLOW_UNSECURE_RANDOM) $(if $(CSOCKET_SECURE),-lssl -lcrypto -DCSOCKET_SECURE -DCSOCKET_KEY=\"$(CSOCKET_KEY)\" -DCSOCKET_CERT=\"$(CSOCKET_CERT)\",) $(if $(TCPLIMITS_EXPERIMENTAL_SAVE_MEMORY),-DTCPLIMITS_EXPERIMENTAL_SAVE_MEMORY,) -DHARDCODED_SESSION_ID=$(HARDCODED_SESSION_ID) -DGITHUB_SHA=$(GITHUB_SHA) -DGITHUB_BRANCH=$(GITHUB_BRANCH)
 CHECK_FLAGS = -Wpedantic -Wall -Wextra -Werror -Wformat -Wuninitialized -Wshadow 
 
 SRCS = $(foreach dir,$(SRC_DIR),$(wildcard $(dir)/*.c))

lib/main.c

@@ -29,9 +29,13 @@
 #define VERSION_MINOR 0
 #define VERSION_PATCH 0
 
-#define GIT_BRANCH "main"
+#ifndef GIT_BRANCH
+#define GIT_BRANCH "unknown"
+#endif
+
+#ifndef GIT_COMMIT
 #define GIT_COMMIT "unknown"
-#define GIT_COMMIT_TIME "-1"
+#endif
 
 #define SUPPORTED_SOURCES "[]"
 #define SUPPORTED_FILTERS "[]"
@@ -294,14 +298,13 @@ void callback(struct csocket_server_client *client, int socket_index, struct htt
         "\"builtTime\":-1,"
         "\"git\":{"
           "\"branch\":\"%s\","
-          "\"commit\":\"%s\","
-          "\"commitTime\":%s"
+          "\"commit\":\"%s\""
         "},"
         "\"sourceManagers\":%s,"
         "\"filters\":%s"
       "}",
-      VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, GIT_BRANCH, GIT_COMMIT, GIT_COMMIT_TIME, SUPPORTED_SOURCES, SUPPORTED_FILTERS);
-    
+      VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, GIT_BRANCH, GIT_COMMIT, SUPPORTED_SOURCES, SUPPORTED_FILTERS);
+
     frequenc_stringify_int(payload_length, payload_length_str, sizeof(payload_length_str));
 
     struct httpserver_response response = {