mirror of https://github.com/yandex/odyssey.git
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
#ifndef ODYSSEY_FRONTEND_H
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#define ODYSSEY_FRONTEND_H
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/*
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* Odyssey.
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*
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* Scalable PostgreSQL connection pooler.
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*/
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#define MAX_STARTUP_ATTEMPTS 7
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static inline machine_msg_t *od_frontend_error_msg(od_client_t *client,
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machine_msg_t *stream,
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char *code, char *fmt,
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va_list args)
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{
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char msg[OD_QRY_MAX_SZ];
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int msg_len;
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msg_len = od_snprintf(msg, sizeof(msg),
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"odyssey: %s%.*s: ", client->id.id_prefix,
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(signed)sizeof(client->id.id), client->id.id);
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msg_len +=
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od_vsnprintf(msg + msg_len, sizeof(msg) - msg_len, fmt, args);
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return kiwi_be_write_error(stream, code, msg, msg_len);
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}
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static inline machine_msg_t *od_frontend_fatal_msg(od_client_t *client,
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machine_msg_t *stream,
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char *code, char *fmt,
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va_list args)
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{
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char msg[OD_QRY_MAX_SZ];
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int msg_len;
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msg_len = od_snprintf(msg, sizeof(msg),
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"odyssey: %s%.*s: ", client->id.id_prefix,
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(signed)sizeof(client->id.id), client->id.id);
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msg_len +=
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od_vsnprintf(msg + msg_len, sizeof(msg) - msg_len, fmt, args);
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return kiwi_be_write_error_fatal(stream, code, msg, msg_len);
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}
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static inline machine_msg_t *od_frontend_errorf(od_client_t *client,
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machine_msg_t *stream,
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char *code, char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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machine_msg_t *msg;
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msg = od_frontend_error_msg(client, stream, code, fmt, args);
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va_end(args);
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return msg;
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}
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static inline machine_msg_t *od_frontend_info_msg(od_client_t *client,
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machine_msg_t *stream,
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char *fmt, va_list args)
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{
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char msg[OD_QRY_MAX_SZ];
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int msg_len;
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msg_len = od_snprintf(msg, sizeof(msg),
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"odyssey: %s%.*s: ", client->id.id_prefix,
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(signed)sizeof(client->id.id), client->id.id);
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msg_len +=
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od_vsnprintf(msg + msg_len, sizeof(msg) - msg_len, fmt, args);
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return kiwi_be_write_notice_info(stream, msg, msg_len);
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}
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static inline machine_msg_t *
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od_frontend_infof(od_client_t *client, machine_msg_t *stream, char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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machine_msg_t *msg;
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msg = od_frontend_info_msg(client, stream, fmt, args);
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va_end(args);
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return msg;
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}
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int od_frontend_info(od_client_t *, char *, ...);
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int od_frontend_error(od_client_t *, char *, char *, ...);
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int od_frontend_fatal(od_client_t *, char *, char *, ...);
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void od_frontend(void *);
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#endif /* ODYSSEY_FRONTEND_H */
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