X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=src%2Ftools%2Fsysdb%2Fcommand.c;h=be41b15f9d92557588df6b9fefc326a261a80844;hp=3b64def385ebd64251bbd07dc4f79fe500353da8;hb=1f2aedf19e878c5cbf6d5bc5793ee3621fa7854c;hpb=a006a526f16e790dbeae6ef96ed61f506310b66f diff --git a/src/tools/sysdb/command.c b/src/tools/sysdb/command.c index 3b64def..be41b15 100644 --- a/src/tools/sysdb/command.c +++ b/src/tools/sysdb/command.c @@ -33,58 +33,96 @@ #include "tools/sysdb/input.h" #include "frontend/proto.h" +#include "utils/error.h" #include "utils/strbuf.h" +#include + #include #include +#include /* * public API */ int +sdb_command_print_reply(sdb_client_t *client) +{ + sdb_strbuf_t *recv_buf; + const char *result; + uint32_t rcode = 0; + int status = 0; + + recv_buf = sdb_strbuf_create(1024); + if (! recv_buf) + return -1; + + if (sdb_client_recv(client, &rcode, recv_buf) < 0) + rcode = UINT32_MAX; + + if (sdb_client_eof(client)) + return -1; + + if (rcode == UINT32_MAX) { + printf("ERROR: "); + status = -1; + } + else + status = (int)rcode; + + result = sdb_strbuf_string(recv_buf); + if (result && *result) + printf("%s\n", result); + else if (rcode == UINT32_MAX) { + char errbuf[1024]; + printf("%s\n", sdb_strerror(errno, errbuf, sizeof(errbuf))); + } + + sdb_strbuf_destroy(recv_buf); + return status; +} /* sdb_command_print_reply */ + +char * sdb_command_exec(sdb_input_t *input) { const char *query; uint32_t query_len; + char *data = NULL; + query = sdb_strbuf_string(input->input); query_len = (uint32_t)input->query_len; assert(input->query_len <= input->tokenizer_pos); - /* removing leading and trailing whitespace */ - while (isspace((int)*query) && query_len) { + /* removing leading and trailing newlines */ + while (query_len && (*query == '\n')) { ++query; --query_len; } - while (query_len && (isspace((int)query[query_len - 1]) - || (query[query_len - 1] == ';'))) + while (query_len && (query[query_len - 1]) == '\n') --query_len; if (query_len) { - sdb_strbuf_t *recv_buf; - uint32_t rcode = 0; - - recv_buf = sdb_strbuf_create(1024); - if (! recv_buf) - return -1; + data = strndup(query, query_len); + /* ignore errors; we'll only hide the command from the caller */ sdb_client_send(input->client, CONNECTION_QUERY, query_len, query); - if (sdb_client_recv(input->client, &rcode, recv_buf) < 0) - rcode = UINT32_MAX; - - if (rcode == UINT32_MAX) - printf("ERROR: "); - printf("%s\n", sdb_strbuf_string(recv_buf)); - sdb_strbuf_destroy(recv_buf); + /* The server will send back *something*, either error/log messages + * and/or the reply to the query. Here, we don't care about what it + * sends back. We'll wait for the first reply and then return to the + * main loop which will handle any subsequent replies, including + * eventually the reply to the query (if it's not the first reply). */ + if (sdb_command_print_reply(input->client) < 0) + return NULL; } sdb_strbuf_skip(input->input, 0, input->query_len); input->tokenizer_pos -= input->query_len; input->query_len = 0; - return 0; + return data; } /* sdb_command_exec */ /* vim: set tw=78 sw=4 ts=4 noexpandtab : */