int upscli_readline(UPSCONN *ups, char *buf, size_t buflen)
{
char tmp[LARGEBUF];
if (!ups)
return -1;
if ((!buf) || (buflen < 1) || (ups->fd == -1)) {
ups->upserror = UPSCLI_ERR_INVALIDARG;
return -1;
}
if (!upscli_checkmagic(ups)) {
ups->upserror = UPSCLI_ERR_INVALIDARG;
return -1;
}
if (upscli_read(ups, tmp, sizeof(tmp)) != 0)
return -1;
if (upscli_errcheck(ups, tmp) != 0)
return -1;
snprintf(buf, buflen, "%s", tmp);
return 0;
}
int upscli_list_start(UPSCONN_t *ups, unsigned int numq, const char **query)
{
char cmd[UPSCLI_NETBUF_LEN], tmp[UPSCLI_NETBUF_LEN];
if (!ups) {
return -1;
}
if (numq < 1) {
ups->upserror = UPSCLI_ERR_INVALIDARG;
return -1;
}
/* create the string to send to upsd */
build_cmd(cmd, sizeof(cmd), "LIST", numq, query);
if (upscli_sendline(ups, cmd, strlen(cmd)) != 0) {
return -1;
}
if (upscli_readline(ups, tmp, sizeof(tmp)) != 0) {
return -1;
}
if (upscli_errcheck(ups, tmp) != 0) {
return -1;
}
if (!pconf_line(&ups->pc_ctx, tmp)) {
ups->upserror = UPSCLI_ERR_PARSE;
return -1;
}
if (ups->pc_ctx.numargs < 2) {
ups->upserror = UPSCLI_ERR_PROTOCOL;
return -1;
}
/* the response must start with BEGIN LIST */
if ((strcasecmp(ups->pc_ctx.arglist[0], "BEGIN") != 0) ||
(strcasecmp(ups->pc_ctx.arglist[1], "LIST") != 0)) {
ups->upserror = UPSCLI_ERR_PROTOCOL;
return -1;
}
/* q: [LIST] VAR <ups> *
* a: [BEGIN LIST] VAR <ups> */
/* compare q[0]... to a[2]... */
if (!verify_resp(numq, query, &ups->pc_ctx.arglist[2])) {
ups->upserror = UPSCLI_ERR_PROTOCOL;
return -1;
}
return 0;
}
int upscli_get(UPSCONN_t *ups, unsigned int numq, const char **query,
unsigned int *numa, char ***answer)
{
char cmd[UPSCLI_NETBUF_LEN], tmp[UPSCLI_NETBUF_LEN];
if (!ups) {
return -1;
}
if (numq < 1) {
ups->upserror = UPSCLI_ERR_INVALIDARG;
return -1;
}
/* create the string to send to upsd */
build_cmd(cmd, sizeof(cmd), "GET", numq, query);
if (upscli_sendline(ups, cmd, strlen(cmd)) != 0) {
return -1;
}
if (upscli_readline(ups, tmp, sizeof(tmp)) != 0) {
return -1;
}
if (upscli_errcheck(ups, tmp) != 0) {
return -1;
}
if (!pconf_line(&ups->pc_ctx, tmp)) {
ups->upserror = UPSCLI_ERR_PARSE;
return -1;
}
/* q: [GET] VAR <ups> <var> *
* a: VAR <ups> <var> <val> */
if (ups->pc_ctx.numargs < numq) {
ups->upserror = UPSCLI_ERR_PROTOCOL;
return -1;
}
if (!verify_resp(numq, query, ups->pc_ctx.arglist)) {
ups->upserror = UPSCLI_ERR_PROTOCOL;
return -1;
}
*numa = ups->pc_ctx.numargs;
*answer = ups->pc_ctx.arglist;
return 0;
}
int upscli_list_next(UPSCONN_t *ups, unsigned int numq, const char **query,
unsigned int *numa, char ***answer)
{
char tmp[UPSCLI_NETBUF_LEN];
if (!ups) {
return -1;
}
if (upscli_readline(ups, tmp, sizeof(tmp)) != 0) {
return -1;
}
if (upscli_errcheck(ups, tmp) != 0) {
return -1;
}
if (!pconf_line(&ups->pc_ctx, tmp)) {
ups->upserror = UPSCLI_ERR_PARSE;
return -1;
}
if (ups->pc_ctx.numargs < 1) {
ups->upserror = UPSCLI_ERR_PROTOCOL;
return -1;
}
*numa = ups->pc_ctx.numargs;
*answer = ups->pc_ctx.arglist;
/* see if this is the end */
if (ups->pc_ctx.numargs >= 2) {
if ((!strcmp(ups->pc_ctx.arglist[0], "END")) &&
(!strcmp(ups->pc_ctx.arglist[1], "LIST")))
return 0;
}
/* q: VAR <ups> */
/* a: VAR <ups> <val> */
if (!verify_resp(numq, query, ups->pc_ctx.arglist)) {
ups->upserror = UPSCLI_ERR_PROTOCOL;
return -1;
}
/* just another part of the list */
return 1;
}
