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rpcc buffer size may now be set from env var or form field

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This commit is contained in:
Julien Neuhart
2019-10-07 15:31:05 +02:00
parent ab475d65ee
commit 8d89b2e80a
11 changed files with 405 additions and 53 deletions
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59
internal/pkg/printer/chrome.go
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@@ -4,6 +4,7 @@ import (
"context"
"fmt"
"io/ioutil"
"strings"
"time"
"github.com/mafredri/cdp"
@@ -29,17 +30,18 @@ type chromePrinter struct {
// ChromePrinterOptions helps customizing the
// Google Chrome Printer behaviour.
type ChromePrinterOptions struct {
WaitTimeout float64
WaitDelay float64
HeaderHTML string
FooterHTML string
PaperWidth float64
PaperHeight float64
MarginTop float64
MarginBottom float64
MarginLeft float64
MarginRight float64
Landscape bool
WaitTimeout float64
WaitDelay float64
HeaderHTML string
FooterHTML string
PaperWidth float64
PaperHeight float64
MarginTop float64
MarginBottom float64
MarginLeft float64
MarginRight float64
Landscape bool
RpccBufferSize int64
}
// DefaultChromePrinterOptions returns the default
@@ -47,17 +49,18 @@ type ChromePrinterOptions struct {
func DefaultChromePrinterOptions(config conf.Config) ChromePrinterOptions {
const defaultHeaderFooterHTML string = "<html><head></head><body></body></html>"
return ChromePrinterOptions{
WaitTimeout: config.DefaultWaitTimeout(),
WaitDelay: 0.0,
HeaderHTML: defaultHeaderFooterHTML,
FooterHTML: defaultHeaderFooterHTML,
PaperWidth: 8.27,
PaperHeight: 11.7,
MarginTop: 1.0,
MarginBottom: 1.0,
MarginLeft: 1.0,
MarginRight: 1.0,
Landscape: false,
WaitTimeout: config.DefaultWaitTimeout(),
WaitDelay: 0.0,
HeaderHTML: defaultHeaderFooterHTML,
FooterHTML: defaultHeaderFooterHTML,
PaperWidth: 8.27,
PaperHeight: 11.7,
MarginTop: 1.0,
MarginBottom: 1.0,
MarginLeft: 1.0,
MarginRight: 1.0,
Landscape: false,
RpccBufferSize: config.DefaultGoogleChromeRpccBufferSize(),
}
}
@@ -119,7 +122,7 @@ func (p chromePrinter) Print(destination string) error {
https://github.com/mafredri/cdp/issues/4
https://github.com/ChromeDevTools/devtools-protocol/issues/24
*/
rpcc.WithWriteBufferSize(1024*1024),
rpcc.WithWriteBufferSize(int(p.opts.RpccBufferSize)),
rpcc.WithCompression(),
)
if err != nil {
@@ -170,6 +173,16 @@ func (p chromePrinter) Print(destination string) error {
SetPrintBackground(true),
)
if err != nil {
if strings.Contains(err.Error(), "rpcc: message too large") {
return xerror.Invalid(
op,
fmt.Sprintf(
"'%d' bytes are not enough: increase the Google Chrome rpcc buffer size (up to 100 MB)",
p.opts.RpccBufferSize,
),
err,
)
}
return err
}
if err := ioutil.WriteFile(destination, print.Data, 0644); err != nil {