152 lines
4.7 KiB
C
152 lines
4.7 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "libisofs.h"
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#include "messages.h"
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struct libdax_msgs *libdax_messenger = NULL;
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int iso_init()
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{
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if (libdax_messenger == NULL) {
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if (libdax_msgs_new(&libdax_messenger, 0) <= 0)
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return 0;
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}
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libdax_msgs_set_severities(libdax_messenger, LIBDAX_MSGS_SEV_NEVER,
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LIBDAX_MSGS_SEV_FATAL, "libisofs: ", 0);
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return 1;
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}
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void iso_finish()
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{
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libdax_msgs_destroy(&libdax_messenger,0);
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}
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void iso_msg_debug(char *msg_text)
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{
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libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
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LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
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msg_text, 0, 0);
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}
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void iso_msg_note(int error_code, char *msg_text)
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{
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libdax_msgs_submit(libdax_messenger, -1, error_code,
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LIBDAX_MSGS_SEV_NOTE, LIBDAX_MSGS_PRIO_MEDIUM,
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msg_text, 0, 0);
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}
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void iso_msg_hint(int error_code, char *msg_text)
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{
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libdax_msgs_submit(libdax_messenger, -1, error_code,
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LIBDAX_MSGS_SEV_HINT, LIBDAX_MSGS_PRIO_MEDIUM,
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msg_text, 0, 0);
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}
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void iso_msg_warn(int error_code, char *msg_text)
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{
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libdax_msgs_submit(libdax_messenger, -1, error_code,
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LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_MEDIUM,
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msg_text, 0, 0);
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}
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void iso_msg_sorry(int error_code, char *msg_text)
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{
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libdax_msgs_submit(libdax_messenger, -1, error_code,
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LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
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msg_text, 0, 0);
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}
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void iso_msg_fatal(int error_code, char *msg_text)
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{
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libdax_msgs_submit(libdax_messenger, -1, error_code,
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LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
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msg_text, 0, 0);
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}
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/**
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* Control queueing and stderr printing of messages from libisofs.
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* Severity may be one of "NEVER", "FATAL", "SORRY", "WARNING", "HINT",
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* "NOTE", "UPDATE", "DEBUG", "ALL".
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*
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* @param queue_severity Gives the minimum limit for messages to be queued.
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* Default: "NEVER". If you queue messages then you
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* must consume them by iso_msgs_obtain().
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* @param print_severity Does the same for messages to be printed directly
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* to stderr.
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* @param print_id A text prefix to be printed before the message.
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* @return >0 for success, <=0 for error
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*/
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int iso_msgs_set_severities(char *queue_severity,
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char *print_severity, char *print_id)
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{
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int ret, queue_sevno, print_sevno;
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ret = libdax_msgs__text_to_sev(queue_severity, &queue_sevno, 0);
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if (ret <= 0)
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return 0;
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ret = libdax_msgs__text_to_sev(print_severity, &print_sevno, 0);
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if (ret <= 0)
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return 0;
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ret = libdax_msgs_set_severities(libdax_messenger, queue_sevno,
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print_sevno, print_id, 0);
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if (ret <= 0)
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return 0;
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return 1;
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}
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#define ISO_MSGS_MESSAGE_LEN 4096
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/**
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* Obtain the oldest pending libisofs message from the queue which has at
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* least the given minimum_severity. This message and any older message of
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* lower severity will get discarded from the queue and is then lost forever.
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*
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* Severity may be one of "NEVER", "FATAL", "SORRY", "WARNING", "HINT",
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* "NOTE", "UPDATE", "DEBUG", "ALL". To call with minimum_severity "NEVER"
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* will discard the whole queue.
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*
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* @param error_code Will become a unique error code as listed in messages.h
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* @param msg_text Must provide at least ISO_MSGS_MESSAGE_LEN bytes.
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* @param os_errno Will become the eventual errno related to the message
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* @param severity Will become the severity related to the message and
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* should provide at least 80 bytes.
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* @return 1 if a matching item was found, 0 if not, <0 for severe errors
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*/
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int iso_msgs_obtain(char *minimum_severity,
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int *error_code, char msg_text[], int *os_errno,
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char severity[])
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{
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int ret, minimum_sevno, sevno, priority;
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char *textpt, *sev_name;
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struct libdax_msgs_item *item = NULL;
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ret = libdax_msgs__text_to_sev(minimum_severity, &minimum_sevno, 0);
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if (ret <= 0)
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return 0;
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ret = libdax_msgs_obtain(libdax_messenger, &item, minimum_sevno,
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LIBDAX_MSGS_PRIO_ZERO, 0);
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if (ret <= 0)
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goto ex;
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ret = libdax_msgs_item_get_msg(item, error_code, &textpt, os_errno, 0);
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if (ret <= 0)
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goto ex;
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strncpy(msg_text, textpt, ISO_MSGS_MESSAGE_LEN-1);
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if(strlen(textpt) >= ISO_MSGS_MESSAGE_LEN)
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msg_text[ISO_MSGS_MESSAGE_LEN-1] = 0;
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severity[0]= 0;
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ret = libdax_msgs_item_get_rank(item, &sevno, &priority, 0);
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if(ret <= 0)
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goto ex;
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ret = libdax_msgs__sev_to_text(sevno, &sev_name, 0);
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if(ret <= 0)
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goto ex;
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strcpy(severity,sev_name);
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ret = 1;
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ex:
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libdax_msgs_destroy_item(libdax_messenger, &item, 0);
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return ret;
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}
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