mirror of
https://github.com/maplibre/martin.git
synced 2024-12-18 20:31:54 +03:00
separate handlers by format
This commit is contained in:
Stepan Kuzmin
parent
b77eb39584
commit
8a44543478
82
Cargo.lock
generated
82
Cargo.lock
generated
@ -2,14 +2,15 @@
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name = "falcon"
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version = "0.1.0"
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dependencies = [
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"r2d2_postgres 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -17,7 +18,7 @@ name = "aho-corasick"
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version = "0.6.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -142,7 +143,7 @@ name = "generic-array"
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version = "0.8.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"nodrop 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"typenum 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -181,7 +182,7 @@ dependencies = [
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"traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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@ -199,7 +200,7 @@ name = "iovec"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -217,7 +218,7 @@ dependencies = [
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"num_cpus 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"plugin 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"typemap 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -246,7 +247,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "libc"
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version = "0.2.32"
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version = "0.2.33"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -261,15 +262,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "md5"
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version = "0.3.5"
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version = "0.3.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "memchr"
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version = "1.0.1"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -287,11 +288,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "nodrop"
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version = "0.1.9"
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version = "0.1.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"odds 0.2.25 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "num-traits"
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@ -303,17 +301,12 @@ name = "num_cpus"
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version = "1.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "odds"
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version = "0.2.25"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "percent-encoding"
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version = "1.0.0"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@ -372,9 +365,9 @@ dependencies = [
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"fallible-iterator 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"generic-array 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"hmac 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"md5 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
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"md5 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
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"sha2 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"stringprep 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -388,7 +381,7 @@ dependencies = [
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"hex 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"phf 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)",
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"postgres-protocol 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_json 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -415,11 +408,11 @@ dependencies = [
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[[package]]
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name = "rand"
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version = "0.3.17"
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version = "0.3.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"fuchsia-zircon 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -433,7 +426,7 @@ version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"aho-corasick 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -464,18 +457,18 @@ dependencies = [
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[[package]]
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name = "serde"
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version = "1.0.15"
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version = "1.0.19"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "serde_json"
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version = "1.0.3"
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version = "1.0.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"dtoa 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"itoa 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -519,7 +512,7 @@ version = "0.1.38"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
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"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -586,12 +579,12 @@ dependencies = [
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[[package]]
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name = "url"
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version = "1.5.1"
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version = "1.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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]
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[[package]]
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@ -655,18 +648,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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||||
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|
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|
||||
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|
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|
||||
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|
||||
"checksum nodrop 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "52cd74cd09beba596430cc6e3091b74007169a56246e1262f0ba451ea95117b2"
|
||||
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|
||||
"checksum num-traits 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "99843c856d68d8b4313b03a17e33c4bb42ae8f6610ea81b28abe076ac721b9b0"
|
||||
"checksum num_cpus 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "514f0d73e64be53ff320680ca671b64fe3fb91da01e1ae2ddc99eb51d453b20d"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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@ -676,15 +668,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
"checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
|
||||
"checksum safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e27a8b19b835f7aea908818e871f5cc3a5a186550c30773be987e155e8163d8f"
|
||||
"checksum scheduled-thread-pool 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2d9fbe48ead32343b76f544c85953bf260ed39219a8bbbb62cd85f6a00f9644f"
|
||||
"checksum serde 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)" = "6a7046c9d4c6c522d10b2d098f9bebe2bef227e0e74044d8c1bfcf6b476af799"
|
||||
"checksum serde_json 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d243424e06f9f9c39e3cd36147470fd340db785825e367625f79298a6ac6b7ac"
|
||||
"checksum serde 1.0.19 (registry+https://github.com/rust-lang/crates.io-index)" = "0c9cab69e16835717c9b8bd13c29f92b6aa34fe32ce2866b1ab481cf2da8442a"
|
||||
"checksum serde_json 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "e4586746d1974a030c48919731ecffd0ed28d0c40749d0d18d43b3a7d6c9b20e"
|
||||
"checksum sha2 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d963c78ce367df26d7ea8b8cc655c651b42e8a1e584e869c1e17dae3ccb116a"
|
||||
"checksum siphasher 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0df90a788073e8d0235a67e50441d47db7c8ad9debd91cbf43736a2a92d36537"
|
||||
"checksum stringprep 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8ee348cb74b87454fff4b551cbf727025810a004f88aeacae7f85b87f4e9a1c1"
|
||||
@ -699,7 +691,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
"checksum unicode-normalization 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "51ccda9ef9efa3f7ef5d91e8f9b83bbe6955f9bf86aec89d5cce2c874625920f"
|
||||
"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
|
||||
"checksum unsafe-any 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f30360d7979f5e9c6e6cea48af192ea8fab4afb3cf72597154b8f08935bc9c7f"
|
||||
"checksum url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eeb819346883532a271eb626deb43c4a1bb4c4dd47c519bd78137c3e72a4fe27"
|
||||
"checksum url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fa35e768d4daf1d85733418a49fb42e10d7f633e394fccab4ab7aba897053fe2"
|
||||
"checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
|
||||
"checksum uuid 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bcc7e3b898aa6f6c08e5295b6c89258d1331e9ac578cc992fb818759951bdc22"
|
||||
"checksum version_check 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6b772017e347561807c1aa192438c5fd74242a670a6cffacc40f2defd1dc069d"
|
||||
|
||||
@ -8,11 +8,12 @@ name = "falcon"
|
||||
path = "src/main.rs"
|
||||
|
||||
[dependencies]
|
||||
url = "1.5.1"
|
||||
url = "1.6.0"
|
||||
regex = "0.2.2"
|
||||
fallible-iterator = "0.1.3"
|
||||
iron = "0.5.1"
|
||||
persistent = "0.3.0"
|
||||
serde_json = "1.0.3"
|
||||
serde_json = "1.0.6"
|
||||
r2d2 = "0.7.4"
|
||||
r2d2_postgres = "0.13.0"
|
||||
postgres = { version = "0.15.1", features = ["with-serde_json", "with-time", "with-uuid"] }
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
|
||||
[](https://travis-ci.org/stepankuzmin/falcon)
|
||||
|
||||
PostgreSQL RESTful API.
|
||||
PostgreSQL RESTful API
|
||||
|
||||
**Warning: this is experimental**
|
||||
|
||||
|
||||
80
src/main.rs
80
src/main.rs
@ -3,10 +3,10 @@ extern crate iron;
|
||||
extern crate regex;
|
||||
extern crate persistent;
|
||||
extern crate serde_json;
|
||||
extern crate fallible_iterator;
|
||||
|
||||
extern crate r2d2;
|
||||
extern crate r2d2_postgres;
|
||||
extern crate postgres;
|
||||
|
||||
use std::env;
|
||||
use url::Url;
|
||||
@ -17,6 +17,7 @@ use iron::status;
|
||||
use iron::typemap::Key;
|
||||
use persistent::Read;
|
||||
use serde_json::Value;
|
||||
use fallible_iterator::FallibleIterator;
|
||||
|
||||
use r2d2::{Pool, PooledConnection};
|
||||
use r2d2_postgres::{TlsMode, PostgresConnectionManager};
|
||||
@ -33,32 +34,19 @@ fn setup_connection_pool(cn_str: &str, pool_size: u32) -> PostgresPool {
|
||||
r2d2::Pool::new(config, manager).unwrap()
|
||||
}
|
||||
|
||||
fn get_json(conn: PostgresPooledConnection, schema: &str, table: &str) -> IronResult<Response> {
|
||||
let query = format!("select json_agg({1}) from {0}.{1}", schema, table);
|
||||
match conn.query(&query, &[]) {
|
||||
Ok(rows) => {
|
||||
let content_type = "application/json".parse::<mime::Mime>().unwrap();
|
||||
let result: Value = rows.get(0).get("json_agg");
|
||||
let content = serde_json::to_string(&result).unwrap();
|
||||
Ok(Response::with((content_type, status::Ok, content)))
|
||||
},
|
||||
Err(e) => Ok(Response::with((status::InternalServerError, e.to_string())))
|
||||
}
|
||||
}
|
||||
|
||||
fn handler(req: &mut Request) -> IronResult<Response> {
|
||||
println!("{} {} {}", req.method, req.version, req.url);
|
||||
|
||||
let pool = req.get::<Read<DB>>().unwrap();
|
||||
let conn = pool.get().unwrap();
|
||||
|
||||
let url: Url = req.url.clone().into();
|
||||
let re = Regex::new(r"^/(?P<schema>\w*)/(?P<table>\w*).(?P<format>\w*)$").unwrap();
|
||||
|
||||
match re.captures(&url.path()) {
|
||||
Some(caps) => {
|
||||
println!("{} {} {}", req.method, req.version, req.url);
|
||||
|
||||
let pool = req.get::<Read<DB>>().unwrap();
|
||||
let conn = pool.get().unwrap();
|
||||
|
||||
match &caps["format"] {
|
||||
"json" => get_json(conn, &caps["schema"], &caps["table"]),
|
||||
"geojson" => get_geojson(conn, &caps["schema"], &caps["table"]),
|
||||
&_ => Ok(Response::with((status::NotFound)))
|
||||
}
|
||||
},
|
||||
@ -66,11 +54,53 @@ fn handler(req: &mut Request) -> IronResult<Response> {
|
||||
}
|
||||
}
|
||||
|
||||
fn get_json(conn: PostgresPooledConnection, schema: &str, table: &str) -> IronResult<Response> {
|
||||
let query = format!("select json_agg({1}) from {0}.{1}", schema, table);
|
||||
|
||||
let trans = conn.transaction().unwrap();
|
||||
let stmt = trans.prepare(&query).unwrap();
|
||||
let mut result = stmt.lazy_query(&trans, &[], 1000).unwrap();
|
||||
|
||||
let content_type = "application/json".parse::<mime::Mime>().unwrap();
|
||||
match result.next() {
|
||||
Ok(Some(rows)) => {
|
||||
let result: Value = rows.get("json_agg");
|
||||
let content = serde_json::to_string(&result).unwrap();
|
||||
Ok(Response::with((content_type, status::Ok, content)))
|
||||
},
|
||||
Ok(None) => {
|
||||
let content = "[]";
|
||||
Ok(Response::with((content_type, status::Ok, content)))
|
||||
},
|
||||
Err(e) => Ok(Response::with((status::InternalServerError, e.to_string())))
|
||||
}
|
||||
}
|
||||
|
||||
fn get_geojson(conn: PostgresPooledConnection, schema: &str, table: &str) -> IronResult<Response> {
|
||||
let query = format!("select json_agg({1}) from {0}.{1}", schema, table);
|
||||
|
||||
let trans = conn.transaction().unwrap();
|
||||
let stmt = trans.prepare(&query).unwrap();
|
||||
let mut result = stmt.lazy_query(&trans, &[], 1000).unwrap();
|
||||
|
||||
let content_type = "application/json".parse::<mime::Mime>().unwrap();
|
||||
match result.next() {
|
||||
Ok(Some(rows)) => {
|
||||
let result: Value = rows.get("json_agg");
|
||||
let content = serde_json::to_string(&result).unwrap();
|
||||
Ok(Response::with((content_type, status::Ok, content)))
|
||||
},
|
||||
Ok(None) => {
|
||||
let content = "[]";
|
||||
Ok(Response::with((content_type, status::Ok, content)))
|
||||
},
|
||||
Err(e) => Ok(Response::with((status::InternalServerError, e.to_string())))
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let conn_string: String = match env::var("DATABASE_URL") {
|
||||
Ok(val) => val,
|
||||
Err(_) => panic!("Thou shalt specify DATABASE_URL")
|
||||
};
|
||||
let conn_string: String = env::var("DATABASE_URL")
|
||||
.expect("DATABASE_URL must be set");
|
||||
|
||||
println!("connecting to postgres: {}", conn_string);
|
||||
let pool = setup_connection_pool(&conn_string, 10);
|
||||
@ -79,7 +109,7 @@ fn main() {
|
||||
middleware.link(Read::<DB>::both(pool));
|
||||
|
||||
let port = 3000;
|
||||
let bind_addr = format!("localhost:{}", port);
|
||||
let bind_addr = format!("0.0.0.0:{}", port);
|
||||
println!("server has been started on {}.", bind_addr);
|
||||
Iron::new(middleware).http(bind_addr.as_str()).unwrap();
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user