03-17-2009
Deleting processed lines
I have a log file that I am processing. This contains messages from and to a server (requests and responses).
The responses to requests may not be in order i.e. we can have a response to a request after several requests are sent, and in some error cases there may not be any response message.
The log file is usually 2MB+ in size, so I am trying to see if there is a way I can find a request message and its response and after I find this delete it from the logfile and again start at the beginning of the logfile for the next request / response message.
Is there a way to delete the lines from the file OR can anyone suggest a better way to go about this?
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LEARN ABOUT OPENSOLARIS
mms_get_str
mms_rsp_type(3MMS) Media Management System Library Functions mms_rsp_type(3MMS)
NAME
mms_rsp_type, mms_get_tree, mms_get_str, mms_get_attribute, mms_handle_err_rsp - MMS client functions for handling responses
SYNOPSIS
cc [ flag...] file... -lmms [ library...]
#include <mms_api.h>
int mms_rsp_type(void *response);
mms_par_node_t *mms_get_tree(void *response);
char *mms_get_str(void *response);
char *mms_get_attribute(void *response, char *name, void **prev);
int mms_handle_err_response(void *response, int * class, int * code,
char **message);
DESCRIPTION
For these functions, response is the MMS response to an MMP command sent by the client.
The mms_rsp_type() macro returns the type of the response. The following is a list of responses:
MMS_API_RSP_UNACC unacceptable response
MMS_API_RSP_FINAL success response
MMS_API_RSP_FINAL_INTR intermediate response
MMS_API_RSP_FINAL_ERR error response
MMS_API_RSP_FINAL_CANC cancelled response
The mms_get_tree() macro returns the parse tree of the response.
The mms_get_str() macro returns the response string.
The mms_get_attribute() function takes a response with name values looking for name, and returning the value associated with it. A client
can call this function multiple times if the response contains multiple instances of name. When all occurrences of name have been found,
NULL is returned.
The mms_handle_err_rsp() function processes an error response on behalf of the client. It returns the error class, error code, and the
internationalized error message if one was included.
RETURN VALUES
Upon successful completion, mms_handle_err_rsp() returns MMS_API_OK. If it encounters a processing error, it returns an error code indicat-
ing the type of error.
ERRORS
These functions will fail if:
MMS_API_ERROR Unable to obtain error class or code.
MMS_API_NOT_ERR_RSP Response is not an error response.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Uncommitted |
+-----------------------------+-----------------------------+
|MT-Level |MT-Safe |
+-----------------------------+-----------------------------+
SEE ALSO
libmms(3LIB), mms_init(3MMS), mms_send_cmd(3MMS), attributes(5)
SunOS 5.11 28 Oct 2008 mms_rsp_type(3MMS)