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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,100 +1,100 @@ | ||
| /* | ||
| Copyright (c) 2017 Simon Schmidt | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. | ||
| */ | ||
|
|
||
|
|
||
| package semirpc | ||
|
|
||
| import ( | ||
| "time" | ||
| "fmt" | ||
| ) | ||
|
|
||
| type Dialer func(addr string) (ClientCodec,error) | ||
|
|
||
| // Auto-Reconnect-Client | ||
| type ARClient struct{ | ||
| client *Client | ||
|
|
||
| Addr string | ||
| Dial Dialer | ||
| MkResp func() Response | ||
| } | ||
| func (c *ARClient) connect() error { | ||
| if c.client!=nil { c.client.Close() ; c.client = nil } | ||
| cc,err := c.Dial(c.Addr) | ||
| if err!=nil { return err } | ||
| c.client = NewClient(cc,c.MkResp) | ||
| return nil | ||
| } | ||
| func (c *ARClient) doit(req Request,resp Response) (*clientObject,error) { | ||
| if c.client==nil { | ||
| if err := c.connect() ; err!=nil { return nil,err } | ||
| } | ||
| co,err := c.client.doit(req,resp) | ||
| if err!=nil && err!=EPipelineStall { // IO-Error, Connection fail | ||
| if err := c.connect() ; err!=nil { return nil,err } | ||
| return c.client.doit(req,resp) | ||
| } | ||
| return co,err | ||
| } | ||
| func (c *ARClient) Close() (err error) { | ||
| if c.client!=nil { | ||
| err = c.client.Close() | ||
| c.client = nil | ||
| } | ||
| return | ||
| } | ||
| func (c *ARClient) Do(req Request,resp Response) error { | ||
| co,e := c.doit(req,resp) | ||
| if co!=nil { defer co.free() } | ||
| if e!=nil { return e } | ||
| e = <- co.signal | ||
| co.signal <- e | ||
| return e | ||
| } | ||
| func (c *ARClient) DoTimeout(req Request,resp Response, timeout <- chan time.Time) error { | ||
| co,e := c.doit(req,resp) | ||
| if co!=nil { defer co.free() } | ||
| if e!=nil { return e } | ||
| select { | ||
| case e := <- co.signal: | ||
| co.signal <- e | ||
| return e | ||
| case tm := <- timeout: | ||
| co.cancel() | ||
| return fmt.Errorf("Timeout -> %v",tm) | ||
| } | ||
| panic("unreachable") | ||
| } | ||
| func (c *ARClient) DoAsyncSupport(req Request,resp Response, errch chan error) { | ||
| co,e := c.doit(req,resp) | ||
| if co!=nil { defer co.free() } | ||
| if e!=nil { return } | ||
| select { | ||
| case e := <- co.signal: | ||
| co.signal <- e | ||
| errch <- e | ||
| case e := <- errch: | ||
| co.cancel() | ||
| errch <- e | ||
| } | ||
| } | ||
| /* | ||
| Copyright (c) 2017 Simon Schmidt | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. | ||
| */ | ||
|
|
||
|
|
||
| package semirpc | ||
|
|
||
| import ( | ||
| "time" | ||
| "fmt" | ||
| ) | ||
|
|
||
| type Dialer func(addr string) (ClientCodec,error) | ||
|
|
||
| // Auto-Reconnect-Client | ||
| type ARClient struct{ | ||
| client *Client | ||
|
|
||
| Addr string | ||
| Dial Dialer | ||
| MkResp func() Response | ||
| } | ||
| func (c *ARClient) connect() error { | ||
| if c.client!=nil { c.client.Close() ; c.client = nil } | ||
| cc,err := c.Dial(c.Addr) | ||
| if err!=nil { return err } | ||
| c.client = NewClient(cc,c.MkResp) | ||
| return nil | ||
| } | ||
| func (c *ARClient) doit(req Request,resp Response) (*clientObject,error) { | ||
| if c.client==nil { | ||
| if err := c.connect() ; err!=nil { return nil,err } | ||
| } | ||
| co,err := c.client.doit(req,resp) | ||
| if err!=nil && err!=EPipelineStall { // IO-Error, Connection fail | ||
| if err := c.connect() ; err!=nil { return nil,err } | ||
| return c.client.doit(req,resp) | ||
| } | ||
| return co,err | ||
| } | ||
| func (c *ARClient) Close() (err error) { | ||
| if c.client!=nil { | ||
| err = c.client.Close() | ||
| c.client = nil | ||
| } | ||
| return | ||
| } | ||
| func (c *ARClient) Do(req Request,resp Response) error { | ||
| co,e := c.doit(req,resp) | ||
| if co!=nil { defer co.free() } | ||
| if e!=nil { return e } | ||
| e = <- co.signal | ||
| co.signal <- e | ||
| return e | ||
| } | ||
| func (c *ARClient) DoTimeout(req Request,resp Response, timeout <- chan time.Time) error { | ||
| co,e := c.doit(req,resp) | ||
| if co!=nil { defer co.free() } | ||
| if e!=nil { return e } | ||
| select { | ||
| case e := <- co.signal: | ||
| co.signal <- e | ||
| return e | ||
| case tm := <- timeout: | ||
| co.cancel() | ||
| return fmt.Errorf("Timeout -> %v",tm) | ||
| } | ||
| panic("unreachable") | ||
| } | ||
| func (c *ARClient) DoAsyncSupport(req Request,resp Response, errch chan error) { | ||
| co,e := c.doit(req,resp) | ||
| if co!=nil { defer co.free() } | ||
| if e!=nil { return } | ||
| select { | ||
| case e := <- co.signal: | ||
| co.signal <- e | ||
| errch <- e | ||
| case e := <- errch: | ||
| co.cancel() | ||
| errch <- e | ||
| } | ||
| } |