https://github.com/khofesh/grpc-in-golang
gRPC
https://github.com/khofesh/grpc-in-golang
golang grpc
Last synced: about 2 months ago
JSON representation
gRPC
- Host: GitHub
- URL: https://github.com/khofesh/grpc-in-golang
- Owner: khofesh
- Created: 2022-04-03T05:07:11.000Z (about 4 years ago)
- Default Branch: main
- Last Pushed: 2022-04-10T12:14:39.000Z (about 4 years ago)
- Last Synced: 2025-01-18T15:54:42.499Z (over 1 year ago)
- Topics: golang, grpc
- Language: Go
- Homepage:
- Size: 107 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# gRPC golang
## gRPC reflection and evans cli
https://github.com/grpc/grpc-go/tree/master/reflection
https://github.com/ktr0731/evans/issues/150#issuecomment-465394581
```shell
$ curl -L 'https://github.com/ktr0731/evans/releases/download/0.10.4/evans_linux_amd64.tar.gz' | tar xvzf -
$ file evans
evans: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, not stripped
$ mv evans /usr/local/bin/evans
```
the evans
```shell
[fahmad@ryzen calculator]$ evans -p 50051 -r
______
| ____|
| |__ __ __ __ _ _ __ ___
| __| \ \ / / / _. | | '_ \ / __|
| |____ \ V / | (_| | | | | | \__ \
|______| \_/ \__,_| |_| |_| |___/
more expressive universal gRPC client
calculator.CalculatorService@127.0.0.1:50051> show pac
command show: unknown target 'pac'
calculator.CalculatorService@127.0.0.1:50051> show package
+-------------------------+
| PACKAGE |
+-------------------------+
| calculator |
| grpc.reflection.v1alpha |
+-------------------------+
calculator.CalculatorService@127.0.0.1:50051> show service
+-------------------+--------------------------+---------------------------------+----------------------------------+
| SERVICE | RPC | REQUEST TYPE | RESPONSE TYPE |
+-------------------+--------------------------+---------------------------------+----------------------------------+
| CalculatorService | Sum | SumRequest | SumResponse |
| CalculatorService | PrimeNumberDecomposition | PrimeNumberDecompositionRequest | PrimeNumberDecompositionResponse |
| CalculatorService | ComputeAverage | ComputeAverageRequest | ComputeAverageResponse |
| CalculatorService | FindMaximum | FindMaximumRequest | FindMaximumResponse |
| CalculatorService | SquareRoot | SquareRootRequest | SquareRootResponse |
+-------------------+--------------------------+---------------------------------+----------------------------------+
calculator.CalculatorService@127.0.0.1:50051> show message
+----------------------------------+
| MESSAGE |
+----------------------------------+
| ComputeAverageRequest |
| ComputeAverageResponse |
| FindMaximumRequest |
| FindMaximumResponse |
| PrimeNumberDecompositionRequest |
| PrimeNumberDecompositionResponse |
| SquareRootRequest |
| SquareRootResponse |
| SumRequest |
| SumResponse |
+----------------------------------+
calculator.CalculatorService@127.0.0.1:50051> desc SumRequest
+-------+------------------------+----------+
| FIELD | TYPE | REPEATED |
+-------+------------------------+----------+
| data | TYPE_MESSAGE (SumData) | false |
+-------+------------------------+----------+
calculator.CalculatorService@127.0.0.1:50051> show package
+-------------------------+
| PACKAGE |
+-------------------------+
| calculator |
| grpc.reflection.v1alpha |
+-------------------------+
calculator.CalculatorService@127.0.0.1:50051> package calculator
calculator@127.0.0.1:50051> show service
+-------------------+--------------------------+---------------------------------+----------------------------------+
| SERVICE | RPC | REQUEST TYPE | RESPONSE TYPE |
+-------------------+--------------------------+---------------------------------+----------------------------------+
| CalculatorService | Sum | SumRequest | SumResponse |
| CalculatorService | PrimeNumberDecomposition | PrimeNumberDecompositionRequest | PrimeNumberDecompositionResponse |
| CalculatorService | ComputeAverage | ComputeAverageRequest | ComputeAverageResponse |
| CalculatorService | FindMaximum | FindMaximumRequest | FindMaximumResponse |
| CalculatorService | SquareRoot | SquareRootRequest | SquareRootResponse |
+-------------------+--------------------------+---------------------------------+----------------------------------+
calculator@127.0.0.1:50051> service CalculatorService
calculator.CalculatorService@127.0.0.1:50051> call Sum
data::first_number (TYPE_INT32) => 12
data::second_number (TYPE_INT32) => 32
{
"result": 44
}
calculator.CalculatorService@127.0.0.1:50051> call PrimeNumberDecomposition
number (TYPE_INT64) => 2343234234
{
"primeFactor": "2"
}
{
"primeFactor": "3"
}
{
"primeFactor": "11"
}
{
"primeFactor": "1171"
}
{
"primeFactor": "30319"
}
calculator.CalculatorService@127.0.0.1:50051> call ComputeAverage
number (TYPE_INT32) => 55
number (TYPE_INT32) => 32
number (TYPE_INT32) => 34
number (TYPE_INT32) => 54
number (TYPE_INT32) => 89
number (TYPE_INT32) => 29
number (TYPE_INT32) =>
{
"average": 48.833333333333336
}
calculator.CalculatorService@127.0.0.1:50051> call FindMaximum
number (TYPE_INT32) => 8
number (TYPE_INT32) => {
"maximum": 8
}
number (TYPE_INT32) => 9
number (TYPE_INT32) => {
"maximum": 9
}
number (TYPE_INT32) => 40
number (TYPE_INT32) => {
"maximum": 40
}
number (TYPE_INT32) => 38
number (TYPE_INT32) => 100
number (TYPE_INT32) => {
"maximum": 100
}
number (TYPE_INT32) => 38
number (TYPE_INT32) => 203
number (TYPE_INT32) => {
"maximum": 203
}
number (TYPE_INT32) =>
calculator.CalculatorService@127.0.0.1:50051> call SquareRoot
number (TYPE_INT32) => 389
{
"numberRoot": 19.72308292331602
}
calculator.CalculatorService@127.0.0.1:50051> call SquareRoot
number (TYPE_INT32) => -38
command call: rpc error: code = InvalidArgument desc = Received a negative number: -38
calculator.CalculatorService@127.0.0.1:50051>
```
## evans blog
```shell
[fahmad@ryzen blog]$ evans -p 50051 -r
______
| ____|
| |__ __ __ __ _ _ __ ___
| __| \ \ / / / _. | | '_ \ / __|
| |____ \ V / | (_| | | | | | \__ \
|______| \_/ \__,_| |_| |_| |___/
more expressive universal gRPC client
blog.BlogService@127.0.0.1:50051> show package
+-------------------------+
| PACKAGE |
+-------------------------+
| blog |
| grpc.reflection.v1alpha |
+-------------------------+
blog.BlogService@127.0.0.1:50051> show service
+-------------+------------+-------------------+--------------------+
| SERVICE | RPC | REQUEST TYPE | RESPONSE TYPE |
+-------------+------------+-------------------+--------------------+
| BlogService | CreateBlog | CreateBlogRequest | CreateBlogResponse |
| BlogService | ReadBlog | ReadBlogRequest | ReadBlogResponse |
| BlogService | UpdateBlog | UpdateBlogRequest | UpdateBlogResponse |
| BlogService | DeleteBlog | DeleteBlogRequest | DeleteBlogResponse |
| BlogService | ListBlog | ListBlogRequest | ListBlogResponse |
+-------------+------------+-------------------+--------------------+
blog.BlogService@127.0.0.1:50051> service BlogService
blog.BlogService@127.0.0.1:50051> show service
+-------------+------------+-------------------+--------------------+
| SERVICE | RPC | REQUEST TYPE | RESPONSE TYPE |
+-------------+------------+-------------------+--------------------+
| BlogService | CreateBlog | CreateBlogRequest | CreateBlogResponse |
| BlogService | ReadBlog | ReadBlogRequest | ReadBlogResponse |
| BlogService | UpdateBlog | UpdateBlogRequest | UpdateBlogResponse |
| BlogService | DeleteBlog | DeleteBlogRequest | DeleteBlogResponse |
| BlogService | ListBlog | ListBlogRequest | ListBlogResponse |
+-------------+------------+-------------------+--------------------+
blog.BlogService@127.0.0.1:50051> call CreateBlog
blog::id (TYPE_STRING) =>
blog::author_id (TYPE_STRING) => frog
blog::title (TYPE_STRING) => blog about grpc
blog::content (TYPE_STRING) => created using evans cli
{
"blog": {
"authorId": "frog",
"content": "created using evans cli",
"id": "6252c793667c98951aa08ca0",
"title": "blog about grpc"
}
}
blog.BlogService@127.0.0.1:50051> call ListBlog
{
"blog": {
"authorId": "Fahmi",
"content": "This the content",
"id": "6252acc6214746b1c240a684",
"title": "This the content"
}
}
{
"blog": {
"authorId": "Fahmi",
"content": "This the content",
"id": "6252b451bc97cc848e0d8b8c",
"title": "This the content"
}
}
{
"blog": {
"authorId": "Fahmi",
"content": "This the content",
"id": "6252b47ebc97cc848e0d8b8d",
"title": "This the content"
}
}
{
"blog": {
"authorId": "Changed author",
"content": "This the content, lksdflksoiwer lksjdflskdjf",
"id": "6252c078bedd458d36c81390",
"title": "My Second Blog"
}
}
{
"blog": {
"authorId": "frog",
"content": "created using evans cli",
"id": "6252c793667c98951aa08ca0",
"title": "created using evans cli"
}
}
blog.BlogService@127.0.0.1:50051> call DeleteBlog
blog_id (TYPE_STRING) => 6252acc6214746b1c240a684
{
"blogId": "6252acc6214746b1c240a684"
}
blog.BlogService@127.0.0.1:50051> call DeleteBlog
blog_id (TYPE_STRING) => 6252acc6214746b1c240a684
command call: rpc error: code = NotFound desc = Cannot find blog in MongoDB:
blog.BlogService@127.0.0.1:50051> call ListBlog
{
"blog": {
"authorId": "Fahmi",
"content": "This the content",
"id": "6252b451bc97cc848e0d8b8c",
"title": "This the content"
}
}
{
"blog": {
"authorId": "Fahmi",
"content": "This the content",
"id": "6252b47ebc97cc848e0d8b8d",
"title": "This the content"
}
}
{
"blog": {
"authorId": "Changed author",
"content": "This the content, lksdflksoiwer lksjdflskdjf",
"id": "6252c078bedd458d36c81390",
"title": "My Second Blog"
}
}
{
"blog": {
"authorId": "frog",
"content": "created using evans cli",
"id": "6252c793667c98951aa08ca0",
"title": "created using evans cli"
}
}
blog.BlogService@127.0.0.1:50051> call ReadBlog
blog_id (TYPE_STRING) => 6252c793667c98951aa08ca0
{
"blog": {
"authorId": "frog",
"content": "created using evans cli",
"id": "6252c793667c98951aa08ca0",
"title": "created using evans cli"
}
}
blog.BlogService@127.0.0.1:50051> call UpdateBlog
blog::id (TYPE_STRING) => 6252c793667c98951aa08ca0
blog::author_id (TYPE_STRING) => frog 2
blog::title (TYPE_STRING) =>
blog::content (TYPE_STRING) =>
{
"blog": {
"authorId": "frog 2",
"id": "6252c793667c98951aa08ca0"
}
}
blog.BlogService@127.0.0.1:50051>
```
## references
https://kb.objectrocket.com/mongo-db/how-to-find-a-mongodb-document-by-its-bson-objectid-using-golang-452
https://www.mongodb.com/languages/golang