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Generate a client ID and send it in an HTTP header (bug 330712) r=darin

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bryner%brianryner.com 2006-03-22 02:53:05 +00:00
parent a4a21e849b
commit be4cba9e54
2 changed files with 47 additions and 4 deletions
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48
extensions/metrics/src/nsMetricsService.cpp
View File

@ -61,8 +61,10 @@
#include "nsStreamUtils.h"
#include "nsVariant.h"
#include "prtime.h"
#include "prmem.h"
#include "bzlib.h"
#include "nsIClassInfoImpl.h"
#include "nsIUUIDGenerator.h"
// Make our MIME type inform the server of possible compression.
#ifdef NS_METRICS_SEND_UNCOMPRESSED_DATA
@ -515,10 +517,8 @@ nsMetricsService::OpenDataFile(PRUint32 flags, PRFileDesc **fd)
nsresult
nsMetricsService::UploadData()
{
// TODO: 1) Submit a request to the server to figure out how much data to
// upload. For now, we just submit all of the data.
// 2) Prepare a data stream for upload that is prefixed with a PROFILE
// event.
// TODO: Prepare a data stream for upload that is prefixed with a PROFILE
// event.
PRBool enable = PR_FALSE;
nsXPIDLCString spec;
@ -571,6 +571,22 @@ nsMetricsService::UploadData()
rv = httpChannel->SetRequestMethod(NS_LITERAL_CSTRING("POST"));
NS_ENSURE_SUCCESS(rv, rv);
static const char kClientIDPref[] = "metrics.client-id";
// Get the client id and set it in an HTTP header
nsXPIDLCString clientID;
rv = prefs->GetCharPref(kClientIDPref, getter_Copies(clientID));
if (NS_FAILED(rv) || clientID.IsEmpty()) {
rv = GenerateClientID(clientID);
NS_ENSURE_SUCCESS(rv, rv);
rv = prefs->SetCharPref(kClientIDPref, clientID);
NS_ENSURE_SUCCESS(rv, rv);
}
rv = httpChannel->SetRequestHeader(NS_LITERAL_CSTRING("X-Moz-Client-ID"),
clientID, PR_FALSE);
NS_ENSURE_SUCCESS(rv, rv);
rv = channel->AsyncOpen(this, nsnull);
NS_ENSURE_SUCCESS(rv, rv);
@ -721,6 +737,30 @@ nsMetricsService::GetConfigFile(nsIFile **result)
file.swap(*result);
}
nsresult
nsMetricsService::GenerateClientID(nsCString &clientID)
{
nsCOMPtr<nsIUUIDGenerator> idgen =
do_GetService("@mozilla.org/uuid-generator;1");
NS_ENSURE_STATE(idgen);
nsID id;
nsresult rv = idgen->GenerateUUIDInPlace(&id);
NS_ENSURE_SUCCESS(rv, rv);
char *idstr = id.ToString();
NS_ENSURE_STATE(idstr);
// {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
static const PRUint32 kGUIDLength = 38;
NS_ASSERTION(idstr.Length() == kGUIDLength);
// Strip off the enclosing curly brackets
clientID.Assign(idstr + 1, kGUIDLength - 2);
PR_Free(idstr);
return NS_OK;
}
/* static */ nsresult
nsMetricsUtils::PutUint16(nsIWritablePropertyBag *bag,
const nsAString &propertyName,

3
extensions/metrics/src/nsMetricsService.h
View File

@ -140,6 +140,9 @@ private:
// A reference to the local file containing our current configuration
void GetConfigFile(nsIFile **result);
// Generate a new random client id string
nsresult GenerateClientID(nsCString &clientID);
private:
// Pointer to the metrics service singleton
static nsMetricsService* sMetricsService;