C API: UptaneCycle and campaigns

Signed-off-by: Eugene Smirnov <[email protected]>

CMakeLists.txt

@@ -325,6 +325,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 ############### BUILD RULES
 include_directories(${PROJECT_SOURCE_DIR}/src/libaktualizr)
+include_directories(${PROJECT_SOURCE_DIR}/include)
 include_directories(${PROJECT_SOURCE_DIR}/third_party/googletest/googletest/include)
 include_directories(${PROJECT_SOURCE_DIR}/third_party/jsoncpp)
 include_directories(${Boost_INCLUDE_DIR})

include/libaktualizr-c.h

@@ -0,0 +1,30 @@
+#ifndef AKTUALIZR_LIBAKTUALIZRC_H
+#define AKTUALIZR_LIBAKTUALIZRC_H
+
+#ifdef __cplusplus
+#include "primary/aktualizr.h"
+
+using Campaign = campaign::Campaign;
+
+extern "C" {
+#else
+typedef struct Aktualizr Aktualizr;
+typedef struct Campaign Campaign;
+#endif
+
+Aktualizr *Aktualizr_create(const char *config_path);
+int Aktualizr_initialize(Aktualizr *a);
+int Aktualizr_uptane_cycle(Aktualizr *a);
+void Aktualizr_destroy(Aktualizr *a);
+
+Campaign *Aktualizr_campaign_check(Aktualizr *a);
+int Aktualizr_campaign_accept(Aktualizr *a, Campaign *c);
+int Aktualizr_campaign_postpone(Aktualizr *a, Campaign *c);
+int Aktualizr_campaign_decline(Aktualizr *a, Campaign *c);
+void Aktualizr_campaign_free(Campaign *c);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //AKTUALIZR_LIBAKTUALIZR_H

src/CMakeLists.txt

@@ -3,6 +3,7 @@ if(BUILD_WITH_CODE_COVERAGE)
 endif()
 
 add_subdirectory("libaktualizr")
+add_subdirectory("libaktualizr-c")
 add_subdirectory("virtual_secondary")
 add_subdirectory("sota_tools")
 add_subdirectory("aktualizr_primary")

src/libaktualizr-c/CMakeLists.txt

@@ -0,0 +1,6 @@
+SET(TARGET_NAME aktualizr-c)
+
+add_library(${TARGET_NAME} SHARED libaktualizr-c.cc)
+target_link_libraries(${TARGET_NAME} aktualizr_static_lib ${AKTUALIZR_EXTERNAL_LIBS})
+
+aktualizr_source_file_checks(libaktualizr-c.cc test/api-test.c)

src/libaktualizr-c/libaktualizr-c.cc

@@ -0,0 +1,80 @@
+#include "libaktualizr-c.h"
+
+Aktualizr *Aktualizr_create(const char *config_path) {
+  Aktualizr *a;
+  try {
+    Config cfg(config_path);
+    a = new Aktualizr(cfg);
+  } catch (const std::exception &e) {
+    std::cerr << "Creating exception: " << e.what() << std::endl;
+    return NULL;
+  }
+  return a;
+}
+
+int Aktualizr_initialize(Aktualizr *a) {
+  try {
+    a->Initialize();
+  } catch (const std::exception &e) {
+    std::cerr << "Initializing exception: " << e.what() << std::endl;
+    return -1;
+  }
+  return 0;
+}
+
+int Aktualizr_uptane_cycle(Aktualizr *a) {
+  try {
+    a->UptaneCycle();
+  } catch (const std::exception &e) {
+    std::cerr << "Uptane cycle exception: " << e.what() << std::endl;
+    return -1;
+  }
+  return 0;
+}
+
+void Aktualizr_destroy(Aktualizr *a) {
+  delete a;
+}
+
+Campaign *Aktualizr_campaign_check(Aktualizr *a) {
+  try {
+    auto r = a->CampaignCheck().get();
+    if (!r.campaigns.empty()) {
+      return new Campaign(r.campaigns[0]);
+    }
+  } catch (const std::exception &e) {
+    std::cerr << "Campaign check exception: " << e.what() << std::endl;
+    return NULL;
+  }
+  return NULL;
+}
+int Aktualizr_campaign_accept(Aktualizr *a, Campaign *c) {
+  try {
+    a->CampaignControl(c->id, campaign::Cmd::Accept);
+  } catch (const std::exception &e) {
+    std::cerr << "Campaign accept exception: " << e.what() << std::endl;
+    return -1;
+  }
+  return 0;
+}
+int Aktualizr_campaign_postpone(Aktualizr *a, Campaign *c) {
+  try {
+    a->CampaignControl(c->id, campaign::Cmd::Postpone);
+  } catch (const std::exception &e) {
+    std::cerr << "Campaign postpone exception: " << e.what() << std::endl;
+    return -1;
+  }
+  return 0;
+}
+int Aktualizr_campaign_decline(Aktualizr *a, Campaign *c) {
+  try {
+    a->CampaignControl(c->id, campaign::Cmd::Decline);
+  } catch (const std::exception &e) {
+    std::cerr << "Campaign decline exception: " << e.what() << std::endl;
+    return -1;
+  }
+  return 0;
+}
+void Aktualizr_campaign_free(Campaign *c) {
+  delete c;
+}

src/libaktualizr-c/test/Makefile

@@ -0,0 +1,11 @@
+CC=gcc
+CFLAGS=-I/home/esm/projects/aktualizr/include -g -O0
+# Run application with LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/home/esm/projects/aktualizr/build/src/libaktualizr-c
+LIBS=-L/home/esm/projects/aktualizr/build/src/libaktualizr-c -laktualizr-c
+OBJ=api-test.o
+
+%.o: %.c
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+api-test: $(OBJ)
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)

src/libaktualizr-c/test/api-test.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "libaktualizr-c.h"
+
+int main(int argc, char **argv)
+{
+  Aktualizr *a;
+  Campaign *c;
+  int err;
+
+  a = Aktualizr_create(argv[1]);
+  if (a == NULL) {
+    return EXIT_FAILURE;
+  }
+
+  err = Aktualizr_initialize(a);
+  if (err) {
+    return EXIT_FAILURE;
+  }
+
+  c = Aktualizr_campaign_check(a);
+  if (c != NULL) {
+    printf("Accepting running campaign\n");
+    err = Aktualizr_campaign_accept(a, c);
+    Aktualizr_campaign_free(c);
+    if (err) {
+      return EXIT_FAILURE;
+    }
+  }
+
+  err = Aktualizr_uptane_cycle(a);
+  if (err) {
+    fprintf(stderr, "Failed to perform uptane cycle\n");
+    return EXIT_FAILURE;
+  }
+
+  Aktualizr_destroy(a);
+
+  return EXIT_SUCCESS;
+}