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00042 #include "common.h"
00043
00044 drizzle_return_t drizzle_state_loop(drizzle_con_st *con)
00045 {
00046 drizzle_return_t ret;
00047
00048 while (!drizzle_state_none(con))
00049 {
00050 ret= con->state_stack[con->state_current - 1](con);
00051 if (ret != DRIZZLE_RETURN_OK)
00052 {
00053 if (ret != DRIZZLE_RETURN_IO_WAIT && ret != DRIZZLE_RETURN_PAUSE &&
00054 ret != DRIZZLE_RETURN_ERROR_CODE)
00055 {
00056 drizzle_con_close(con);
00057 }
00058
00059 return ret;
00060 }
00061 }
00062
00063 return DRIZZLE_RETURN_OK;
00064 }
00065
00066 drizzle_return_t drizzle_state_packet_read(drizzle_con_st *con)
00067 {
00068 drizzle_log_debug(con->drizzle, "drizzle_state_packet_read");
00069
00070 if (con->buffer_size < 4)
00071 {
00072 drizzle_state_push(con, drizzle_state_read);
00073 return DRIZZLE_RETURN_OK;
00074 }
00075
00076 con->packet_size= drizzle_get_byte3(con->buffer_ptr);
00077
00078 if (con->packet_number != con->buffer_ptr[3])
00079 {
00080 drizzle_set_error(con->drizzle, "drizzle_state_packet_read",
00081 "bad packet number:%u:%u", con->packet_number,
00082 con->buffer_ptr[3]);
00083 return DRIZZLE_RETURN_BAD_PACKET_NUMBER;
00084 }
00085
00086 drizzle_log_debug(con->drizzle, "packet_size= %zu, packet_number= %u",
00087 con->packet_size, con->packet_number);
00088
00089 con->packet_number++;
00090
00091 con->buffer_ptr+= 4;
00092 con->buffer_size-= 4;
00093
00094 drizzle_state_pop(con);
00095 return DRIZZLE_RETURN_OK;
00096 }