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@ -14,6 +14,12 @@
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#include "conf.h"
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#include "conf.h"
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#include "cmd.h"
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#include "cmd.h"
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static struct conf *cfg;
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redisAsyncContext *__redis_context = NULL;
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struct event_base *__base;
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static void reconnect();
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static void
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static void
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connectCallback(const redisAsyncContext *c) {
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connectCallback(const redisAsyncContext *c) {
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((void)c);
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((void)c);
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@ -26,23 +32,36 @@ disconnectCallback(const redisAsyncContext *c, int status) {
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printf("Error: %s\n", c->errstr);
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printf("Error: %s\n", c->errstr);
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}
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}
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printf("disconnected...\n");
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printf("disconnected...\n");
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__redis_context = NULL;
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reconnect();
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}
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}
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static void
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reconnect() {
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__redis_context = redisAsyncConnect(cfg->redis_host, cfg->redis_port);
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redisLibeventAttach(__redis_context, __base);
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redisAsyncSetConnectCallback(__redis_context, connectCallback);
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redisAsyncSetDisconnectCallback(__redis_context, disconnectCallback);
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}
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void
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void
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on_request(struct evhttp_request *rq, void *ctx) {
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on_request(struct evhttp_request *rq, void *ctx) {
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const char *uri = evhttp_request_uri(rq);
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const char *uri = evhttp_request_uri(rq);
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(void)ctx;
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/* get context */
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if(!__redis_context) { /* redis is unavailable */
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redisAsyncContext *c = ctx;
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evhttp_send_reply(rq, 503, "Service Unavailable", NULL);
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return;
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}
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switch(rq->type) {
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switch(rq->type) {
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case EVHTTP_REQ_GET:
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case EVHTTP_REQ_GET:
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cmd_run(c, rq, 1+uri, strlen(uri)-1);
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cmd_run(__redis_context, rq, 1+uri, strlen(uri)-1);
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break;
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break;
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case EVHTTP_REQ_POST:
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case EVHTTP_REQ_POST:
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cmd_run(c, rq,
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cmd_run(__redis_context, rq,
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(const char*)EVBUFFER_DATA(rq->input_buffer),
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(const char*)EVBUFFER_DATA(rq->input_buffer),
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EVBUFFER_LENGTH(rq->input_buffer));
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EVBUFFER_LENGTH(rq->input_buffer));
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break;
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break;
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@ -58,29 +77,20 @@ main(int argc, char *argv[]) {
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(void)argc;
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(void)argc;
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(void)argv;
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(void)argv;
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struct event_base *base = event_base_new();
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__base = event_base_new();
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struct evhttp *http = evhttp_new(base);
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struct evhttp *http = evhttp_new(__base);
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struct conf *cfg = conf_read("turnip.conf");
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redisAsyncContext *c = redisAsyncConnect(cfg->redis_host, cfg->redis_port);
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cfg = conf_read("turnip.conf");
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if(c->err) {
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/* Let *c leak for now... */
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printf("Error: %s\n", c->errstr);
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return 1;
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}
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/* start http server */
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/* start http server */
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evhttp_bind_socket(http, cfg->http_host, cfg->http_port);
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evhttp_bind_socket(http, cfg->http_host, cfg->http_port);
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evhttp_set_gencb(http, on_request, c);
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evhttp_set_gencb(http, on_request, NULL);
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/* attach hiredis to libevent base */
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/* attach hiredis to libevent base */
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redisLibeventAttach(c, base);
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reconnect();
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redisAsyncSetConnectCallback(c, connectCallback);
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redisAsyncSetDisconnectCallback(c, disconnectCallback);
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/* loop */
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/* loop */
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event_base_dispatch(base);
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event_base_dispatch(__base);
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return EXIT_SUCCESS;
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return EXIT_SUCCESS;
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}
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}
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