/** Initialize jsonrpc reply data structure.
*
* This function initializes the data structure that contains all data related
* to the jsonrpc reply being created. The function must be called before any
* other function that adds data to the reply.
* @param ctx jsonrpc_ctx_t structure to be initialized.
* @return 0 on success, a negative number on error.
*/
static int jsonrpc_init_reply(jsonrpc_ctx_t *ctx)
{
ctx->http_code = 200;
ctx->http_text = JSONRPC_REASON_OK;
ctx->jrpl = srjson_NewDoc(NULL);
if(ctx->jrpl==NULL) {
LM_ERR("Failed to init the reply json document\n");
return -1;
}
ctx->jrpl->root = srjson_CreateObject(ctx->jrpl);
if(ctx->jrpl->root==NULL) {
LM_ERR("Failed to init the reply json root node\n");
return -1;
}
srjson_AddStrStrToObject(ctx->jrpl, ctx->jrpl->root,
"jsonrpc", 7,
"2.0", 3);
return 0;
}
/**
* json serialization of dialog profiles
*/
int dlg_profiles_to_json(dlg_cell_t *dlg, srjson_doc_t *jdoc)
{
dlg_profile_link_t *l;
srjson_t *aj = NULL;
srjson_t *pj = NULL;
LM_DBG("serializing profiles for dlg[%u:%u]\n",
dlg->h_entry, dlg->h_id);
if(dlg==NULL || dlg->profile_links==NULL)
return -1;
LM_DBG("start of serializing profiles for dlg[%u:%u]\n",
dlg->h_entry, dlg->h_id);
for (l = dlg->profile_links ; l ; l=l->next) {
if(aj==NULL)
{
aj = srjson_CreateArray(jdoc);
if(aj==NULL)
{
LM_ERR("cannot create json profiles array object\n");
goto error;
}
}
pj = srjson_CreateObject(jdoc);
if(pj==NULL)
{
LM_ERR("cannot create json dynamic profiles obj\n");
goto error;
}
srjson_AddStrStrToObject(jdoc, pj,
"name", 4,
l->profile->name.s, l->profile->name.len);
if(l->profile->has_value)
{
srjson_AddStrStrToObject(jdoc, pj,
"value", 5,
l->hash_linker.value.s, l->hash_linker.value.len);
}
if(l->hash_linker.puid[0]!='\0')
srjson_AddStringToObject(jdoc, pj, "puid", l->hash_linker.puid);
if(l->hash_linker.expires!=0)
srjson_AddNumberToObject(jdoc, pj, "expires", l->hash_linker.expires);
if(l->hash_linker.flags!=0)
srjson_AddNumberToObject(jdoc, pj, "flags", l->hash_linker.flags);
srjson_AddItemToArray(jdoc, aj, pj);
}
if(jdoc->root==NULL)
{
jdoc->root = srjson_CreateObject(jdoc);
if(jdoc->root==NULL)
{
LM_ERR("cannot create json root\n");
goto error;
}
}
if(aj!=NULL)
srjson_AddItemToObject(jdoc, jdoc->root, "profiles", aj);
if(jdoc->buf.s != NULL)
{
jdoc->free_fn(jdoc->buf.s);
jdoc->buf.s = NULL;
jdoc->buf.len = 0;
}
jdoc->buf.s = srjson_PrintUnformatted(jdoc, jdoc->root);
if(jdoc->buf.s!=NULL)
{
jdoc->buf.len = strlen(jdoc->buf.s);
LM_DBG("serialized profiles for dlg[%u:%u] = [[%.*s]]\n",
dlg->h_entry, dlg->h_id, jdoc->buf.len, jdoc->buf.s);
return 0;
}
return -1;
error:
srjson_Delete(jdoc, aj);
return -1;
}
/** Implementation of rpc_send function required by the management API.
*
* This is the function that will be called whenever a management function
* asks the management interface to send the reply to the client.
* The SIP/HTTP reply sent to
* the client will be always 200 OK, if an error ocurred on the server then it
* will be indicated in the html document in body.
*
* @param ctx A pointer to the context structure of the jsonrpc request that
* generated the reply.
* @return 1 if the reply was already sent, 0 on success, a negative number on
* error
*/
static int jsonrpc_send(jsonrpc_ctx_t* ctx)
{
srjson_t *nj = NULL;
int i;
str rbuf;
if (ctx->reply_sent) return 1;
ctx->reply_sent = 1;
if(ctx->error_code != 0) {
/* fault handling */
nj = srjson_CreateObject(ctx->jrpl);
if(nj!=NULL) {
srjson_AddNumberToObject(ctx->jrpl, nj, "code",
ctx->error_code);
for(i=0; _jsonrpc_error_table[i].code!=0
&& _jsonrpc_error_table[i].code!=ctx->error_code; i++);
if(_jsonrpc_error_table[i].code!=0) {
srjson_AddStrStrToObject(ctx->jrpl, nj,
"message", 7,
_jsonrpc_error_table[i].text.s,
_jsonrpc_error_table[i].text.len);
} else {
srjson_AddStrStrToObject(ctx->jrpl, nj,
"message", 7, "Unexpected Error", 16);
}
srjson_AddItemToObject(ctx->jrpl, ctx->jrpl->root, "error", nj);
}
} else {
nj = srjson_GetObjectItem(ctx->jrpl, ctx->jrpl->root, "result");
if(nj==NULL) {
if (!ctx->rpl_node) {
if(ctx->flags & RET_ARRAY) {
ctx->rpl_node = srjson_CreateArray(ctx->jrpl);
} else {
ctx->rpl_node = srjson_CreateObject(ctx->jrpl);
}
if(ctx->rpl_node == 0) {
LM_ERR("failed to create the root array node\n");
}
}
srjson_AddItemToObject(ctx->jrpl, ctx->jrpl->root,
"result", ctx->rpl_node);
ctx->rpl_node = 0;
}
}
nj = srjson_GetObjectItem(ctx->jreq, ctx->jreq->root, "id");
if(nj!=NULL) {
if(nj->valuestring!=NULL) {
srjson_AddStrStrToObject(ctx->jrpl, ctx->jrpl->root,
"id", 2,
nj->valuestring, strlen(nj->valuestring));
} else {
srjson_AddNumberToObject(ctx->jrpl, ctx->jrpl->root, "id",
nj->valuedouble);
}
}
if(jsonrpc_pretty_format==0) {
rbuf.s = srjson_PrintUnformatted(ctx->jrpl, ctx->jrpl->root);
} else {
rbuf.s = srjson_Print(ctx->jrpl, ctx->jrpl->root);
}
if(rbuf.s!=NULL) {
rbuf.len = strlen(rbuf.s);
}
if (rbuf.s!=NULL) {
LM_DBG("sending response with body: %p - %d %.*s\n", ctx->msg,
ctx->http_code, ctx->http_text.len, ctx->http_text.s);
if(ctx->msg) {
xhttp_api.reply(ctx->msg, ctx->http_code, &ctx->http_text,
&JSONRPC_CONTENT_TYPE_HTML, &rbuf);
} else {
jsonrpc_set_plain_reply(ctx->http_code, &ctx->http_text, &rbuf,
ctx->jrpl->free_fn);
rbuf.s=NULL;
}
} else {
LM_DBG("sending response without body: %p - %d %.*s\n", ctx->msg,
ctx->http_code, ctx->http_text.len, ctx->http_text.s);
if(ctx->msg) {
xhttp_api.reply(ctx->msg, ctx->http_code, &ctx->http_text,
NULL, NULL);
} else {
jsonrpc_set_plain_reply(ctx->http_code, &ctx->http_text, NULL,
ctx->jrpl->free_fn);
}
}
if (rbuf.s!=NULL) {
ctx->jrpl->free_fn(rbuf.s);
}
return 0;
}
/**
* json serialization of dialog profiles
*/
int dlg_profiles_to_json(dlg_cell_t *dlg, srjson_doc_t *jdoc)
{
dlg_profile_link_t *l;
srjson_t *sj = NULL;
srjson_t *dj = NULL;
LM_DBG("serializing profiles for dlg[%u:%u]\n",
dlg->h_entry, dlg->h_id);
if(dlg==NULL || dlg->profile_links==NULL)
return -1;
LM_DBG("start of serializing profiles for dlg[%u:%u]\n",
dlg->h_entry, dlg->h_id);
for (l = dlg->profile_links ; l ; l=l->next) {
if(l->profile->has_value)
{
if(dj==NULL)
{
dj = srjson_CreateObject(jdoc);
if(dj==NULL)
{
LM_ERR("cannot create json dynamic profiles obj\n");
goto error;
}
}
srjson_AddStrStrToObject(jdoc, dj,
l->profile->name.s, l->profile->name.len,
l->hash_linker.value.s, l->hash_linker.value.len);
} else {
if(sj==NULL)
{
sj = srjson_CreateArray(jdoc);
if(sj==NULL)
{
LM_ERR("cannot create json static profiles obj\n");
goto error;
}
}
srjson_AddItemToArray(jdoc, sj,
srjson_CreateStr(jdoc, l->profile->name.s, l->profile->name.len));
}
}
if(jdoc->root==NULL)
{
jdoc->root = srjson_CreateObject(jdoc);
if(jdoc->root==NULL)
{
LM_ERR("cannot create json root\n");
goto error;
}
}
if(dj!=NULL)
srjson_AddItemToObject(jdoc, jdoc->root, "dprofiles", dj);
if(sj!=NULL)
srjson_AddItemToObject(jdoc, jdoc->root, "sprofiles", sj);
if(jdoc->buf.s != NULL)
{
jdoc->free_fn(jdoc->buf.s);
jdoc->buf.s = NULL;
jdoc->buf.len = 0;
}
jdoc->buf.s = srjson_PrintUnformatted(jdoc, jdoc->root);
if(jdoc->buf.s!=NULL)
{
jdoc->buf.len = strlen(jdoc->buf.s);
LM_DBG("serialized profiles for dlg[%u:%u] = [[%.*s]]\n",
dlg->h_entry, dlg->h_id, jdoc->buf.len, jdoc->buf.s);
return 0;
}
return -1;
error:
srjson_Delete(jdoc, dj);
srjson_Delete(jdoc, sj);
return -1;
}
