update: new examples

examples/Makefile

@@ -1,11 +1,15 @@
 CC = gcc
 
-all: ../dist/example_client ../dist/example_server
+all: ../dist/client_install ../dist/client_remove ../dist/server
 
-../dist/example_client: client/*.c ../dist/libmp.so
+../dist/client_install: client/install.c client/*.h ../dist/libmp.so
 	mkdir -pv ../dist
 	$(CC) -L../dist $< -lmp -o $@
 
-../dist/example_server: server/*.c ../dist/libmp.so
+../dist/client_remove: client/remove.c client/*.h ../dist/libmp.so
+	mkdir -pv ../dist
+	$(CC) -L../dist $< -lmp -o $@
+
+../dist/server: server/*.c ../dist/libmp.so
 	mkdir -pv ../dist
 	$(CC) -L../dist $< -lmp -o $@

examples/client/common.h

@@ -0,0 +1,4 @@
+#pragma once
+#define DATA_DIR "/tmp/data"
+#define TEMP_DIR "/tmp/temp"
+#define ROOT_DIR "/tmp/root"

examples/client/install.c

@@ -1,25 +1,22 @@
 #include "../../include/all.h"
+#include "./common.h"
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#define DATA_DIR "/tmp/data"
-#define TEMP_DIR "/tmp/temp"
-#define ROOT_DIR "/tmp/root"
-
 int main(int argc, char *argv[]) {
   int       ret = EXIT_FAILURE;
   lm_pkg_t *pkg = NULL;
   lm_ctx_t  ctx;
 
-  if (argc != 2) {
-    printf("usage: %s <pool url>\n", argv[0]);
+  if (argc != 4) {
+    printf("usage: %s <package name> <pool name> <pool url>\n", argv[0]);
     return ret;
   }
 
   if (!mkdir_ifnot(ROOT_DIR)) {
-    printf("failed to create root dir: %s", ROOT_DIR);
+    printf("failed to create root dir: %s\n", ROOT_DIR);
     return ret;
   }
 
@@ -40,7 +37,7 @@ int main(int argc, char *argv[]) {
     goto end;
   }
 
-  if (lm_ctx_pool_add(&ctx, "base", argv[1]) == NULL) {
+  if (lm_ctx_pool_add(&ctx, argv[2], argv[3]) == NULL) {
     printf("failed to add pool: %s (%d)\n", lm_strerror(), lm_error());
     goto end;
   }
@@ -48,16 +45,20 @@ int main(int argc, char *argv[]) {
   lm_ctx_ping(&ctx, NULL, NULL);
   lm_ctx_sync(&ctx, true, NULL, NULL);
 
-  if ((pkg = lm_ctx_find(&ctx, "which", NULL)) == NULL) {
+  if ((pkg = lm_ctx_pool_find(&ctx, argv[1], NULL)) == NULL) {
     printf("failed to find package: %s (%d)\n", lm_strerror(), lm_error());
     goto end;
   }
 
+  printf("downloading package: %s (%s)...\n", pkg->name, pkg->version);
+
   if (!lm_ctx_download(&ctx, pkg, NULL, NULL)) {
     printf("failed to download package: %s (%d)\n", lm_strerror(), lm_error());
     goto end;
   }
 
+  printf("installing package: %s (%s)...\n", pkg->name, pkg->version);
+
   if (!lm_ctx_install(&ctx, pkg, NULL, NULL)) {
     printf("failed to install the package: %s (%d)\n", lm_strerror(), lm_error());
     goto end;

examples/client/remove.c

@@ -0,0 +1,55 @@
+#include "../../include/all.h"
+#include "./common.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main(int argc, char *argv[]) {
+  int      ret = EXIT_FAILURE;
+  lm_pkg_t pkg;
+  lm_ctx_t ctx;
+
+  if (argc != 2) {
+    printf("usage: %s <package name>\n", argv[0]);
+    return ret;
+  }
+
+  if (!mkdir_ifnot(ROOT_DIR)) {
+    printf("failed to create root dir: %s\n", ROOT_DIR);
+    return ret;
+  }
+
+  lm_ctx_init(&ctx);
+
+  if (!lm_ctx_set_data(&ctx, DATA_DIR)) {
+    printf("failed to set data dir: %s (%d)\n", lm_strerror(), lm_error());
+    goto end;
+  }
+
+  if (!lm_ctx_set_temp(&ctx, TEMP_DIR)) {
+    printf("failed to set temp dir: %s (%d)\n", lm_strerror(), lm_error());
+    goto end;
+  }
+
+  if (!lm_ctx_set_root(&ctx, ROOT_DIR)) {
+    printf("failed to set root dir: %s (%d)\n", lm_strerror(), lm_error());
+    goto end;
+  }
+
+  if (!lm_ctx_database_find(&ctx, &pkg, argv[1])) {
+    printf("failed to find package: %s (%d)\n", lm_strerror(), lm_error());
+    goto end;
+  }
+
+  if (!lm_ctx_remove(&ctx, &pkg, NULL, NULL)) {
+    printf("failed to remove package: %s (%d)\n", lm_strerror(), lm_error());
+    goto end;
+  }
+
+  ret = EXIT_SUCCESS;
+
+end:
+  lm_ctx_free(&ctx);
+  return ret;
+}