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First cut of JNI entry point to command line

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This commit is contained in:
Andrew Bettison 2012-04-20 17:02:29 +09:30
parent 36c7e492e8
commit 90a1317822
1 changed files with 41 additions and 7 deletions
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48
commandline.c
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@ -1,6 +1,6 @@
/*
/*
Serval Distributed Numbering Architecture (DNA)
Copyright (C) 2010 Paul Gardner-Stephen
Copyright (C) 2010-2012 Paul Gardner-Stephen
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
@ -26,6 +26,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <jni.h>
#include "serval.h"
#include "rhizome.h"
@ -97,6 +98,39 @@ int cli_usage() {
return -1;
}
/* JNI entry point to command line. See org.servalproject.servald.ServalD class for the Java side.
JNI method descriptor: "([Ljava/lang/String;)Lorg/servalproject/servald/ServalDResult;"
*/
JNIEXPORT jobject JNICALL Java_org_servalproject_servald_ServalD_command(JNIEnv *env, jobject this, jobjectArray args)
{
jclass resultClass = NULL;
jclass stringClass = NULL;
jmethodID resultConstructorId = NULL;
jobjectArray outv = NULL;
jint status = 42;
if ((resultClass = (*env)->FindClass(env, "org/servalproject/servald/ServalDResult")) == NULL)
return NULL; // exception
if ((resultConstructorId = (*env)->GetMethodID(env, resultClass, "<init>", "(I[Ljava/lang/String;)V")) == NULL)
return NULL; // exception
if ((stringClass = (*env)->FindClass(env, "java/lang/String")) == NULL)
return NULL; // exception
// Eventually we will return the output buffer, but for now just echo the args.
jsize len = (*env)->GetArrayLength(env, args);
if ((outv = (*env)->NewObjectArray(env, len, stringClass, NULL)) == NULL)
return NULL; // out of memory exception
jsize i;
for (i = 0; i != len; ++i) {
const jstring arg = (jstring)(*env)->GetObjectArrayElement(env, args, i);
const char *str = (*env)->GetStringUTFChars(env, arg, NULL);
if (str == NULL)
return NULL; // out of memory exception
(*env)->SetObjectArrayElement(env, outv, i, (*env)->NewStringUTF(env, str));
(*env)->ReleaseStringUTFChars(env, arg, str);
}
return (*env)->NewObject(env, resultClass, resultConstructorId, status, outv);
}
/* args[] excludes command name (unless hardlinks are used to use first words
of command sequences as alternate names of the command. */
int parseCommandLine(int argc, char **args)
@ -872,15 +906,15 @@ command_line_option command_line_options[]={
"Display information about any running Serval Mesh node."},
{app_mdp_ping,{"mdp","ping","<SID|broadcast>",NULL},CLIFLAG_STANDALONE,
"Attempts to ping specified node via Mesh Datagram Protocol (MDP)."},
{app_config_set,{"config","set","<variable>","<value>",NULL},0,
{app_config_set,{"config","set","<variable>","<value>",NULL},CLIFLAG_STANDALONE,
"Set specified configuration variable."},
{app_config_del,{"config","del","<variable>",NULL},0,
{app_config_del,{"config","del","<variable>",NULL},CLIFLAG_STANDALONE,
"Set specified configuration variable."},
{app_config_get,{"config","get","[<variable>]",NULL},0,
{app_config_get,{"config","get","[<variable>]",NULL},CLIFLAG_STANDALONE,
"Get specified configuration variable."},
{app_rhizome_add_file,{"rhizome","add","file","<filepath>","[<manifestpath>]",NULL},0,
{app_rhizome_add_file,{"rhizome","add","file","<filepath>","[<manifestpath>]",NULL},CLIFLAG_STANDALONE,
"Add a file to Rhizome and optionally write its manifest to the given path"},
{app_rhizome_list,{"rhizome","list","[<offset>]","[<limit>]",NULL},0,
{app_rhizome_list,{"rhizome","list","[<offset>]","[<limit>]",NULL},CLIFLAG_STANDALONE,
"List all manifests and files in Rhizome"},
{app_keyring_create,{"keyring","create",NULL},0,
"Create a new keyring file."},